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authorjtg <jtg>1999-08-19 00:55:39 +0000
committerjtg <jtg>1999-08-19 00:55:39 +0000
commitafb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1c (patch)
tree59d65b4da12fb5379224cf5f6b808fde91523c7f /progs
parentf2544d4920ce168bec9cd94d774b7ea5103a3d74 (diff)
Initial revision
Diffstat (limited to 'progs')
-rw-r--r--progs/beos/Makefile42
-rw-r--r--progs/beos/demo.cpp153
-rw-r--r--progs/beos/sample.cpp212
-rw-r--r--progs/demos/Makefile.BeOS-R496
-rw-r--r--progs/demos/Makefile.X1160
-rw-r--r--progs/demos/Makefile.cygnus76
-rw-r--r--progs/demos/bounce.c240
-rw-r--r--progs/demos/clearspd.c221
-rw-r--r--progs/demos/descrip.mms63
-rw-r--r--progs/demos/drawpix.c307
-rw-r--r--progs/demos/gamma.c176
-rw-r--r--progs/demos/gears.c356
-rw-r--r--progs/demos/glinfo.c50
-rw-r--r--progs/demos/glutfx.c207
-rw-r--r--progs/demos/isosurf.c821
-rw-r--r--progs/demos/isosurf.dat7179
-rw-r--r--progs/demos/morph3d.c892
-rw-r--r--progs/demos/multiarb.c307
-rw-r--r--progs/demos/osdemo.c169
-rw-r--r--progs/demos/paltex.c186
-rw-r--r--progs/demos/pointblast.c506
-rw-r--r--progs/demos/reflect.c435
-rw-r--r--progs/demos/renormal.c123
-rw-r--r--progs/demos/spectex.c277
-rw-r--r--progs/demos/stex3d.c578
-rw-r--r--progs/demos/tessdemo.c439
-rw-r--r--progs/demos/texcyl.c261
-rw-r--r--progs/demos/texobj.c289
-rw-r--r--progs/demos/trispd.c277
-rw-r--r--progs/demos/winpos.c128
-rw-r--r--progs/images/girl.rgbbin0 -> 89287 bytes
-rw-r--r--progs/images/reflect.rgbbin0 -> 39632 bytes
-rw-r--r--progs/images/tile.rgbbin0 -> 206534 bytes
-rw-r--r--progs/redbook/Imakefile222
-rw-r--r--progs/redbook/Makefile.BeOS-R470
-rw-r--r--progs/redbook/Makefile.X1164
-rw-r--r--progs/redbook/Makefile.win81
-rw-r--r--progs/redbook/README41
-rw-r--r--progs/redbook/aaindex.c153
-rw-r--r--progs/redbook/aapoly.c172
-rw-r--r--progs/redbook/aargb.c149
-rw-r--r--progs/redbook/accanti.c168
-rw-r--r--progs/redbook/accpersp.c240
-rw-r--r--progs/redbook/alpha.c143
-rw-r--r--progs/redbook/alpha3D.c175
-rw-r--r--progs/redbook/anti.c111
-rw-r--r--progs/redbook/bezcurve.c114
-rw-r--r--progs/redbook/bezmesh.c148
-rw-r--r--progs/redbook/checker.c125
-rw-r--r--progs/redbook/clip.c108
-rw-r--r--progs/redbook/colormat.c153
-rw-r--r--progs/redbook/cube.c97
-rw-r--r--progs/redbook/depthcue.c102
-rw-r--r--progs/redbook/dof.c238
-rw-r--r--progs/redbook/double.c119
-rw-r--r--progs/redbook/drawf.c103
-rw-r--r--progs/redbook/feedback.c171
-rw-r--r--progs/redbook/fog.c186
-rw-r--r--progs/redbook/fogindex.c138
-rw-r--r--progs/redbook/font.c167
-rw-r--r--progs/redbook/hello.c95
-rw-r--r--progs/redbook/image.c159
-rw-r--r--progs/redbook/jitter.h222
-rw-r--r--progs/redbook/light.c113
-rw-r--r--progs/redbook/lines.c138
-rw-r--r--progs/redbook/list.c125
-rw-r--r--progs/redbook/material.c293
-rw-r--r--progs/redbook/mipmap.c165
-rw-r--r--progs/redbook/model.c126
-rw-r--r--progs/redbook/movelight.c148
-rw-r--r--progs/redbook/nurbs.c176
-rw-r--r--progs/redbook/pickdepth.c203
-rw-r--r--progs/redbook/picksquare.c197
-rw-r--r--progs/redbook/plane.c157
-rw-r--r--progs/redbook/planet.c123
-rw-r--r--progs/redbook/polyoff.c237
-rw-r--r--progs/redbook/polys.c124
-rw-r--r--progs/redbook/quadric.c189
-rw-r--r--progs/redbook/robot.c132
-rw-r--r--progs/redbook/sccolorlight.c127
-rw-r--r--progs/redbook/scene.c127
-rw-r--r--progs/redbook/scenebamb.c126
-rw-r--r--progs/redbook/sceneflat.c126
-rw-r--r--progs/redbook/select.c222
-rw-r--r--progs/redbook/smooth.c106
-rw-r--r--progs/redbook/stencil.c162
-rw-r--r--progs/redbook/stroke.c181
-rw-r--r--progs/redbook/surface.c217
-rw-r--r--progs/redbook/teaambient.c148
-rw-r--r--progs/redbook/teapots.c206
-rw-r--r--progs/redbook/tess.c241
-rw-r--r--progs/redbook/tesswind.c290
-rw-r--r--progs/redbook/texbind.c172
-rw-r--r--progs/redbook/texgen.c207
-rw-r--r--progs/redbook/texprox.c120
-rw-r--r--progs/redbook/texsub.c187
-rw-r--r--progs/redbook/texturesurf.c141
-rw-r--r--progs/redbook/torus.c152
-rw-r--r--progs/redbook/trim.c187
-rw-r--r--progs/redbook/unproject.c126
-rw-r--r--progs/redbook/varray.c195
-rw-r--r--progs/redbook/wrap.c180
-rw-r--r--progs/samples/Imakefile102
-rw-r--r--progs/samples/Makefile.BeOS-R464
-rw-r--r--progs/samples/Makefile.DJ36
-rw-r--r--progs/samples/Makefile.X1161
-rw-r--r--progs/samples/Makefile.dja26
-rw-r--r--progs/samples/README520
-rw-r--r--progs/samples/accum.c157
-rw-r--r--progs/samples/bitmap1.c250
-rw-r--r--progs/samples/bitmap2.c787
-rw-r--r--progs/samples/blendeq.c295
-rw-r--r--progs/samples/blendxor.c174
-rw-r--r--progs/samples/copy.c193
-rw-r--r--progs/samples/cursor.c150
-rw-r--r--progs/samples/depth.c209
-rw-r--r--progs/samples/eval.c472
-rw-r--r--progs/samples/fog.c311
-rw-r--r--progs/samples/font.c273
-rw-r--r--progs/samples/line.c219
-rw-r--r--progs/samples/loadppm.c72
-rw-r--r--progs/samples/logo.c1630
-rw-r--r--progs/samples/nurb.c355
-rw-r--r--progs/samples/oglinfo.c218
-rw-r--r--progs/samples/olympic.c375
-rw-r--r--progs/samples/overlay.c378
-rw-r--r--progs/samples/point.c234
-rw-r--r--progs/samples/prim.c546
-rw-r--r--progs/samples/quad.c455
-rw-r--r--progs/samples/rgbtoppm.c273
-rw-r--r--progs/samples/select.c456
-rw-r--r--progs/samples/shape.c345
-rw-r--r--progs/samples/sphere.c1034
-rw-r--r--progs/samples/star.c331
-rw-r--r--progs/samples/stencil.c143
-rw-r--r--progs/samples/stretch.c375
-rw-r--r--progs/samples/texture.c474
-rw-r--r--progs/samples/tkmap.c71
-rw-r--r--progs/samples/tri.c403
-rw-r--r--progs/samples/wave.c602
-rw-r--r--progs/util/README22
-rw-r--r--progs/util/dumpstate.c1959
-rw-r--r--progs/util/errcheck.c27
-rw-r--r--progs/util/glstate.c504
-rw-r--r--progs/util/glstate.h53
-rw-r--r--progs/util/glutskel.c145
-rw-r--r--progs/util/idproj.c26
-rw-r--r--progs/util/imagesgi.cpp369
-rw-r--r--progs/util/imagesgi.h55
-rw-r--r--progs/util/mwmborder.c91
-rw-r--r--progs/util/readtex.c353
-rw-r--r--progs/util/sampleMakefile49
-rw-r--r--progs/util/showbuffer.c192
-rw-r--r--progs/util/showbuffer.h36
-rw-r--r--progs/util/winpos.c42
-rw-r--r--progs/xdemos/Makefile.X1158
-rw-r--r--progs/xdemos/descrip.mms79
-rw-r--r--progs/xdemos/glxdemo.c136
-rw-r--r--progs/xdemos/glxpixmap.c160
-rw-r--r--progs/xdemos/offset.c323
-rw-r--r--progs/xdemos/shape.c305
-rw-r--r--progs/xdemos/vgears.c282
-rw-r--r--progs/xdemos/vindex.c66
-rw-r--r--progs/xdemos/vtest.c83
-rw-r--r--progs/xdemos/xdemo.c347
-rw-r--r--progs/xdemos/xfont.c148
166 files changed, 44931 insertions, 0 deletions
diff --git a/progs/beos/Makefile b/progs/beos/Makefile
new file mode 100644
index 0000000000..0d9c27b539
--- /dev/null
+++ b/progs/beos/Makefile
@@ -0,0 +1,42 @@
+# $Id: Makefile,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# Makefile for BeOS demos
+
+# Written by Brian Paul
+# This file is in the public domain.
+
+
+
+CC = g++
+
+# Use Mesa:
+CFLAGS = -I../include -c -g
+LFLAGS = -L../lib -Xlinker -rpath ../lib -lbe -lMesaGL
+
+# Use BeOS OpenGL:
+#CFLAGS = -I/boot/develop/headers/be/opengl -c -g
+#LFLAGS = -L../lib -Xlinker -rpath ../lib -lbe -lGL
+
+
+PROGRAMS = demo sample
+
+default: $(PROGRAMS)
+
+
+clean:
+ rm -f demo sample
+ rm -f *.o
+
+
+demo: demo.o
+ $(CC) demo.o $(LFLAGS) -o $@
+
+demo.o: demo.cpp
+ $(CC) $(CFLAGS) demo.cpp
+
+
+sample: sample.o
+ $(CC) sample.o $(LFLAGS) -o $@
+
+sample.o: sample.cpp
+ $(CC) $(CFLAGS) sample.cpp
diff --git a/progs/beos/demo.cpp b/progs/beos/demo.cpp
new file mode 100644
index 0000000000..c25eb93075
--- /dev/null
+++ b/progs/beos/demo.cpp
@@ -0,0 +1,153 @@
+// $Id: demo.cpp,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+// Simple BeOS GLView demo
+// Written by Brian Paul
+// This file is in the public domain.
+
+
+
+#include <stdio.h>
+#include <Application.h>
+#include <Window.h>
+#include <GLView.h>
+
+
+class MyWindow : public BWindow
+{
+public:
+ MyWindow(BRect frame);
+ virtual bool QuitRequested();
+};
+
+
+MyWindow::MyWindow(BRect frame)
+ : BWindow(frame, "demo", B_TITLED_WINDOW, B_NOT_ZOOMABLE)
+{
+ // no-op
+}
+
+bool MyWindow::QuitRequested()
+{
+ be_app->PostMessage(B_QUIT_REQUESTED);
+ return true;
+}
+
+
+class MyGL : public BGLView
+{
+public:
+ MyGL(BRect rect, char *name, ulong options);
+
+// virtual void AttachedToWindow();
+ virtual void Draw(BRect updateRect);
+ virtual void Pulse();
+ virtual void FrameResized(float w, float h);
+private:
+ float mAngle;
+};
+
+
+MyGL::MyGL(BRect rect, char *name, ulong options)
+ : BGLView(rect, name, B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP_BOTTOM, 0, options)
+{
+ mAngle = 0.0;
+}
+
+
+#if 0
+void MyGL::AttachedToWindow()
+{
+ BGLView::AttachedToWindow();
+ LockGL();
+ glClearColor(.7, .7, 0, 0);
+ UnlockGL();
+}
+#endif
+
+
+void MyGL::FrameResized(float w, float h)
+{
+ BGLView::FrameResized(w, h);
+
+ printf("FrameResized\n");
+ LockGL();
+ BGLView::FrameResized(w,h);
+ glViewport(0, 0, (int) (w + 1), (int) (h + 1));
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1, 1, -1, 1, 10, 30);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0, 0, -18);
+ UnlockGL();
+}
+
+
+
+void MyGL::Draw(BRect r)
+{
+ printf("MyGL::Draw\n");
+ BGLView::Draw(r);
+ LockGL();
+ glClear(GL_COLOR_BUFFER_BIT);
+ glPushMatrix();
+ glRotatef(mAngle, 0, 0, 1);
+ glColor3f(0, 0, 1);
+ glBegin(GL_POLYGON);
+ glVertex2f(-1, -1);
+ glVertex2f( 1, -1);
+ glVertex2f( 1, 1);
+ glVertex2f(-1, 1);
+ glEnd();
+ SwapBuffers();
+ UnlockGL();
+}
+
+
+void MyGL::Pulse()
+{
+ printf("pulse\n");
+ BGLView::Pulse();
+ mAngle += 1.0;
+
+ LockGL();
+ glClear(GL_COLOR_BUFFER_BIT);
+ glPushMatrix();
+ glRotatef(mAngle, 0, 0, 1);
+ glColor3f(0, 0, 1);
+ glBegin(GL_POLYGON);
+ glVertex2f(-1, -1);
+ glVertex2f( 1, -1);
+ glVertex2f( 1, 1);
+ glVertex2f(-1, 1);
+ glEnd();
+ SwapBuffers();
+ UnlockGL();
+}
+
+
+
+int main(int argc, char *argv[])
+{
+ BApplication *app = new BApplication("application/demo");
+
+ // make top-level window
+ int x = 500, y = 500;
+ int w = 400, h = 400;
+ MyWindow *win = new MyWindow(BRect(x, y, x + w, y + h));
+ // win->Lock();
+ // win->Unlock();
+ win->Show();
+
+ // Make OpenGL view and put it in the window
+ MyGL *gl = new MyGL(BRect(5, 5, w-10, h-10), "GL", BGL_RGB | BGL_DOUBLE);
+ // MyGL *gl = new MyGL(BRect(5, 5, w-10, h-10), "GL", BGL_RGB );
+ win->AddChild(gl);
+
+ printf("calling app->Run\n");
+ app->Run();
+
+ delete app;
+
+ return 0;
+}
diff --git a/progs/beos/sample.cpp b/progs/beos/sample.cpp
new file mode 100644
index 0000000000..2310b33882
--- /dev/null
+++ b/progs/beos/sample.cpp
@@ -0,0 +1,212 @@
+// sample BGLView app from the Be Book
+
+
+#include <stdio.h>
+#include <Application.h>
+#include <Window.h>
+#include <GLView.h>
+
+
+class SampleGLView : public BGLView
+{
+public:
+ SampleGLView(BRect frame, uint32 type);
+ virtual void AttachedToWindow(void);
+ virtual void FrameResized(float newWidth, float newHeight);
+ virtual void ErrorCallback(GLenum which);
+
+ void Render(void);
+
+private:
+ void gInit(void);
+ void gDraw(void);
+ void gReshape(int width, int height);
+
+ float width;
+ float height;
+};
+
+
+
+class SampleGLWindow : public BWindow
+{
+public:
+ SampleGLWindow(BRect frame, uint32 type);
+ virtual bool QuitRequested() { return true; }
+
+private:
+ SampleGLView *theView;
+};
+
+
+class SampleGLApp : public BApplication
+{
+public:
+ SampleGLApp();
+private:
+ SampleGLWindow *theWindow;
+};
+
+
+SampleGLApp::SampleGLApp()
+ : BApplication("application/x-vnd.sample")
+{
+ BRect windowRect;
+ uint32 type = BGL_RGB|BGL_DOUBLE;
+
+ windowRect.Set(50, 50, 350, 350);
+
+ theWindow = new SampleGLWindow(windowRect, type);
+}
+
+
+
+SampleGLWindow::SampleGLWindow(BRect frame, uint32 type)
+ : BWindow(frame, "OpenGL Test", B_TITLED_WINDOW, 0)
+{
+ theView = new SampleGLView(Bounds(), type);
+ AddChild(theView);
+ Show();
+ theView->Render();
+}
+
+
+
+SampleGLView::SampleGLView(BRect frame, uint32 type)
+ : BGLView(frame, "SampleGLView", B_FOLLOW_ALL_SIDES, 0, type)
+{
+ width = frame.right-frame.left;
+ height = frame.bottom-frame.top;
+}
+
+
+void SampleGLView::AttachedToWindow(void)
+{
+ LockGL();
+ BGLView::AttachedToWindow();
+ gInit();
+ gReshape(width, height);
+ UnlockGL();
+}
+
+
+void SampleGLView::FrameResized(float newWidth, float newHeight)
+{
+ LockGL();
+ BGLView::FrameResized(width, height);
+ width = newWidth;
+ height = newHeight;
+
+ gReshape(width,height);
+
+ UnlockGL();
+ Render();
+}
+
+
+void SampleGLView::ErrorCallback(GLenum whichError)
+{
+// fprintf(stderr, "Unexpected error occured (%d):\\n", whichError);
+// fprintf(stderr, " %s\\n", gluErrorString(whichError));
+}
+
+
+
+// globals
+GLenum use_stipple_mode; // GL_TRUE to use dashed lines
+GLenum use_smooth_mode; // GL_TRUE to use anti-aliased lines
+GLint linesize; // Line width
+GLint pointsize; // Point diameter
+
+float pntA[3] = {
+ -160.0, 0.0, 0.0
+};
+float pntB[3] = {
+ -130.0, 0.0, 0.0
+};
+
+
+
+void SampleGLView::gInit(void)
+{
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glLineStipple(1, 0xF0E0);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ use_stipple_mode = GL_FALSE;
+ use_smooth_mode = GL_TRUE;
+ linesize = 2;
+ pointsize = 4;
+}
+
+
+
+void SampleGLView::gDraw(void)
+{
+ GLint i;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glLineWidth(linesize);
+
+ if (use_stipple_mode) {
+ glEnable(GL_LINE_STIPPLE);
+ } else {
+ glDisable(GL_LINE_STIPPLE);
+ }
+
+ if (use_smooth_mode) {
+ glEnable(GL_LINE_SMOOTH);
+ glEnable(GL_BLEND);
+ } else {
+ glDisable(GL_LINE_SMOOTH);
+ glDisable(GL_BLEND);
+ }
+
+ glPushMatrix();
+
+ for (i = 0; i < 360; i += 5) {
+ glRotatef(5.0, 0,0,1); // Rotate right 5 degrees
+ glColor3f(1.0, 1.0, 0.0); // Set color for line
+ glBegin(GL_LINE_STRIP); // And create the line
+ glVertex3fv(pntA);
+ glVertex3fv(pntB);
+ glEnd();
+
+ glPointSize(pointsize); // Set size for point
+ glColor3f(0.0, 1.0, 0.0); // Set color for point
+ glBegin(GL_POINTS);
+ glVertex3fv(pntA); // Draw point at one end
+ glVertex3fv(pntB); // Draw point at other end
+ glEnd();
+ }
+
+ glPopMatrix(); // Done with matrix
+}
+
+
+void SampleGLView::gReshape(int width, int height)
+{
+ glViewport(0, 0, width, height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-175, 175, -175, 175, -1, 1);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+
+void SampleGLView::Render(void)
+{
+ LockGL();
+ gDraw();
+ SwapBuffers();
+ UnlockGL();
+}
+
+
+
+int main(int argc, char *argv[])
+{
+ SampleGLApp *app = new SampleGLApp;
+ app->Run();
+ delete app;
+ return 0;
+}
diff --git a/progs/demos/Makefile.BeOS-R4 b/progs/demos/Makefile.BeOS-R4
new file mode 100644
index 0000000000..c0d990e4a0
--- /dev/null
+++ b/progs/demos/Makefile.BeOS-R4
@@ -0,0 +1,96 @@
+# $Id: Makefile.BeOS-R4,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# Mesa 3-D graphics library
+# Version: 3.1
+# Copyright (C) 1995-1999 Brian Paul
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public
+# License along with this library; if not, write to the Free
+# Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+# Makefile for GLUT-based demo programs for BeOS R4
+
+
+# $Log: Makefile.BeOS-R4,v $
+# Revision 1.1 1999/08/19 00:55:40 jtg
+# Initial revision
+#
+# Revision 1.5 1999/06/22 12:50:11 brianp
+# removed multitex demo
+#
+# Revision 1.4 1999/02/03 03:57:26 brianp
+# replace multiext with multiarb
+#
+# Revision 1.3 1999/02/02 04:47:45 brianp
+# removed glutfx from targets
+#
+# Revision 1.2 1999/02/02 04:46:23 brianp
+# removed tessdemo from targets
+#
+# Revision 1.1 1999/02/02 04:43:27 brianp
+# Initial revision
+#
+
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -L/boot/home/config/lib -Xlinker -rpath $(LIBDIR) -lbe -lglut -lMesaGLU -lMesaGL $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = bounce clearspd drawpix gamma gears glinfo isosurf \
+ morph3d multiarb osdemo paltex pointblast reflect \
+ renormal spectex stex3d texcyl texobj trispd winpos
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ $$prog ; \
+ echo ; \
+ done
+
+
+include ../Make-config
+
diff --git a/progs/demos/Makefile.X11 b/progs/demos/Makefile.X11
new file mode 100644
index 0000000000..9d475a6ac0
--- /dev/null
+++ b/progs/demos/Makefile.X11
@@ -0,0 +1,60 @@
+# $Id: Makefile.X11,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# Mesa 3-D graphics library
+# Version: 3.1
+# Copyright (C) 1995-1998 Brian Paul
+
+
+# Makefile for GLUT-based demo programs for Unix/X11
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -lglut -lGLU -lGL -lm $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = bounce clearspd drawpix gamma gears glinfo glutfx isosurf \
+ morph3d multiarb osdemo paltex pointblast reflect \
+ renormal spectex stex3d tessdemo texcyl texobj trispd winpos
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ $$prog ; \
+ echo ; \
+ done
+
+
+include ../Make-config
+
diff --git a/progs/demos/Makefile.cygnus b/progs/demos/Makefile.cygnus
new file mode 100644
index 0000000000..69012b13be
--- /dev/null
+++ b/progs/demos/Makefile.cygnus
@@ -0,0 +1,76 @@
+# Makefile for demo programs
+# Stephane Rehel (rehel@worldnet.fr) April 13 1997
+
+# Mesa 3-D graphics library
+# Version: 3.0
+# Copyright (C) 1995-1998 Brian Paul
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public
+# License along with this library; if not, write to the Free
+# Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+# $Id: Makefile.cygnus,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# $Log: Makefile.cygnus,v $
+# Revision 1.1 1999/08/19 00:55:40 jtg
+# Initial revision
+#
+# Revision 3.1 1999/06/22 12:50:29 brianp
+# removed multitex demo
+#
+# Revision 3.0 1998/06/10 02:55:51 brianp
+# initial revision
+#
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -lglut -lMesaGLU -lMesaGL -lm $(WLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = clearspd drawpix gamma gears glinfo glutfx isosurf \
+ morph3d multiext osdemo paltex pointblast reflect \
+ renormal spectex stex3d tessdemo texcyl texobj trispd winpos
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS:=.exe)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+include ../Make-config
+
+
diff --git a/progs/demos/bounce.c b/progs/demos/bounce.c
new file mode 100644
index 0000000000..876ce589dc
--- /dev/null
+++ b/progs/demos/bounce.c
@@ -0,0 +1,240 @@
+/* $Id: bounce.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Bouncing ball demo. Color index mode only!
+ *
+ * This program is in the public domain
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+/*
+ * $Log: bounce.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.3 1999/03/18 08:16:14 joukj
+ *
+ * cmpstr needs string.h to included to avoid warnings
+ *
+ * Revision 3.2 1998/11/28 01:13:02 brianp
+ * now sets an initial window position and size
+ *
+ * Revision 3.1 1998/11/28 01:06:57 brianp
+ * now works in RGB mode by default
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#define COS(X) cos( (X) * 3.14159/180.0 )
+#define SIN(X) sin( (X) * 3.14159/180.0 )
+
+#define RED 1
+#define WHITE 2
+#define CYAN 3
+
+GLboolean IndexMode = GL_FALSE;
+GLuint Ball;
+GLenum Mode;
+GLfloat Zrot = 0.0, Zstep = 6.0;
+GLfloat Xpos = 0.0, Ypos = 1.0;
+GLfloat Xvel = 0.2, Yvel = 0.0;
+GLfloat Xmin = -4.0, Xmax = 4.0;
+GLfloat Ymin = -3.8, Ymax = 4.0;
+GLfloat G = -0.1;
+
+static GLuint
+make_ball(void)
+{
+ GLuint list;
+ GLfloat a, b;
+ GLfloat da = 18.0, db = 18.0;
+ GLfloat radius = 1.0;
+ GLuint color;
+ GLfloat x, y, z;
+
+ list = glGenLists(1);
+
+ glNewList(list, GL_COMPILE);
+
+ color = 0;
+ for (a = -90.0; a + da <= 90.0; a += da) {
+
+ glBegin(GL_QUAD_STRIP);
+ for (b = 0.0; b <= 360.0; b += db) {
+
+ if (color) {
+ glIndexi(RED);
+ glColor3f(1, 0, 0);
+ } else {
+ glIndexi(WHITE);
+ glColor3f(1, 1, 1);
+ }
+
+ x = COS(b) * COS(a);
+ y = SIN(b) * COS(a);
+ z = SIN(a);
+ glVertex3f(x, y, z);
+
+ x = radius * COS(b) * COS(a + da);
+ y = radius * SIN(b) * COS(a + da);
+ z = radius * SIN(a + da);
+ glVertex3f(x, y, z);
+
+ color = 1 - color;
+ }
+ glEnd();
+
+ }
+
+ glEndList();
+
+ return list;
+}
+
+static void
+reshape(int width, int height)
+{
+ float aspect = (float) width / (float) height;
+ glViewport(0, 0, (GLint) width, (GLint) height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-6.0 * aspect, 6.0 * aspect, -6.0, 6.0, -6.0, 6.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+ switch (k) {
+ case 27: /* Escape */
+ exit(0);
+ }
+}
+
+static void
+draw(void)
+{
+ GLint i;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glIndexi(CYAN);
+ glColor3f(0, 1, 1);
+ glBegin(GL_LINES);
+ for (i = -5; i <= 5; i++) {
+ glVertex2i(i, -5);
+ glVertex2i(i, 5);
+ }
+ for (i = -5; i <= 5; i++) {
+ glVertex2i(-5, i);
+ glVertex2i(5, i);
+ }
+ for (i = -5; i <= 5; i++) {
+ glVertex2i(i, -5);
+ glVertex2f(i * 1.15, -5.9);
+ }
+ glVertex2f(-5.3, -5.35);
+ glVertex2f(5.3, -5.35);
+ glVertex2f(-5.75, -5.9);
+ glVertex2f(5.75, -5.9);
+ glEnd();
+
+ glPushMatrix();
+ glTranslatef(Xpos, Ypos, 0.0);
+ glScalef(2.0, 2.0, 2.0);
+ glRotatef(8.0, 0.0, 0.0, 1.0);
+ glRotatef(90.0, 1.0, 0.0, 0.0);
+ glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+ glCallList(Ball);
+
+ glPopMatrix();
+
+ glFlush();
+ glutSwapBuffers();
+}
+
+static void
+idle(void)
+{
+ static float vel0 = -100.0;
+
+ Zrot += Zstep;
+
+ Xpos += Xvel;
+ if (Xpos >= Xmax) {
+ Xpos = Xmax;
+ Xvel = -Xvel;
+ Zstep = -Zstep;
+ }
+ if (Xpos <= Xmin) {
+ Xpos = Xmin;
+ Xvel = -Xvel;
+ Zstep = -Zstep;
+ }
+ Ypos += Yvel;
+ Yvel += G;
+ if (Ypos < Ymin) {
+ Ypos = Ymin;
+ if (vel0 == -100.0)
+ vel0 = fabs(Yvel);
+ Yvel = vel0;
+ }
+ glutPostRedisplay();
+}
+
+void
+visible(int vis)
+{
+ if (vis == GLUT_VISIBLE)
+ glutIdleFunc(idle);
+ else
+ glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+ glutInit(&argc, argv);
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(600, 450);
+
+
+ IndexMode = argc > 1 && strcmp(argv[1], "-ci") == 0;
+ if (IndexMode)
+ glutInitDisplayMode(GLUT_INDEX | GLUT_DOUBLE);
+ else
+ glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+
+ glutCreateWindow("Bounce");
+ Ball = make_ball();
+ glCullFace(GL_BACK);
+ glEnable(GL_CULL_FACE);
+ glDisable(GL_DITHER);
+ glShadeModel(GL_FLAT);
+
+ glutDisplayFunc(draw);
+ glutReshapeFunc(reshape);
+ glutVisibilityFunc(visible);
+ glutKeyboardFunc(key);
+
+ if (IndexMode) {
+ glutSetColor(RED, 1.0, 0.0, 0.0);
+ glutSetColor(WHITE, 1.0, 1.0, 1.0);
+ glutSetColor(CYAN, 0.0, 1.0, 1.0);
+ }
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/demos/clearspd.c b/progs/demos/clearspd.c
new file mode 100644
index 0000000000..b2edf32069
--- /dev/null
+++ b/progs/demos/clearspd.c
@@ -0,0 +1,221 @@
+/* $Id: clearspd.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Simple GLUT program to measure glClear() and glutSwapBuffers() speed.
+ * Brian Paul February 15, 1997 This file in public domain.
+ */
+
+/*
+ * $Log: clearspd.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.3 1999/03/28 18:18:33 brianp
+ * minor clean-up
+ *
+ * Revision 3.2 1999/03/18 08:16:34 joukj
+ *
+ * cmpstr needs string.h to included to avoid warnings
+ *
+ * Revision 3.1 1998/06/29 02:38:30 brianp
+ * removed unneeded includes
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+
+static float MinPeriod = 2.0; /* 2 seconds */
+static int ColorMode = GLUT_RGB;
+static int Width = 400.0;
+static int Height = 400.0;
+static int Loops = 100;
+static float ClearColor = 0.0;
+static GLbitfield BufferMask = GL_COLOR_BUFFER_BIT;
+static GLboolean SwapFlag = GL_FALSE;
+
+
+
+static void Idle( void )
+{
+ glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+ double t0, t1;
+ double clearRate;
+ double pixelRate;
+ int i;
+
+ glClearColor( ClearColor, ClearColor, ClearColor, 0.0 );
+ ClearColor += 0.1;
+ if (ClearColor>1.0)
+ ClearColor = 0.0;
+
+ if (SwapFlag) {
+ t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+ for (i=0;i<Loops;i++) {
+ glClear( BufferMask );
+ glutSwapBuffers();
+ }
+ t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+ }
+ else {
+ t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+ for (i=0;i<Loops;i++) {
+ glClear( BufferMask );
+ }
+ t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+ glutSwapBuffers();
+ }
+
+ if (t1-t0 < MinPeriod) {
+ /* Next time do more clears to get longer elapsed time */
+ Loops *= 2;
+ return;
+ }
+
+ clearRate = Loops / (t1-t0);
+ pixelRate = clearRate * Width * Height;
+ if (SwapFlag) {
+ printf("Rate: %d clears+swaps in %gs = %g clears+swaps/s %d pixels/s\n",
+ Loops, t1-t0, clearRate, (int)pixelRate );
+ }
+ else {
+ printf("Rate: %d clears in %gs = %g clears/s %d pixels/s\n",
+ Loops, t1-t0, clearRate, (int)pixelRate);
+ }
+}
+
+
+static void Reshape( int width, int height )
+{
+ Width = width;
+ Height = height;
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+ int i;
+ for (i=1; i<argc; i++) {
+ if (strcmp(argv[i],"+rgb")==0)
+ ColorMode = GLUT_RGB;
+ else if (strcmp(argv[i],"+ci")==0)
+ ColorMode = GLUT_INDEX;
+ else if (strcmp(argv[i],"-color")==0)
+ BufferMask = 0;
+ else if (strcmp(argv[i],"+depth")==0)
+ BufferMask |= GL_DEPTH_BUFFER_BIT;
+ else if (strcmp(argv[i],"+alpha")==0)
+ ColorMode = GLUT_RGB | GLUT_ALPHA;
+ else if (strcmp(argv[i],"+stencil")==0)
+ BufferMask |= GL_STENCIL_BUFFER_BIT;
+ else if (strcmp(argv[i],"+accum")==0)
+ BufferMask |= GL_ACCUM_BUFFER_BIT;
+ else if (strcmp(argv[i],"-width")==0) {
+ Width = atoi(argv[i+1]);
+ i++;
+ }
+ else if (strcmp(argv[i],"-height")==0) {
+ Height = atoi(argv[i+1]);
+ i++;
+ }
+ else if (strcmp(argv[i],"+swap")==0) {
+ SwapFlag = GL_TRUE;
+ }
+ else if (strcmp(argv[i],"-swap")==0) {
+ SwapFlag = GL_FALSE;
+ }
+ else
+ printf("Unknown option: %s\n", argv[i]);
+ }
+
+ if (ColorMode & GLUT_ALPHA)
+ printf("Mode: RGB + Alpha\n");
+ else if (ColorMode==GLUT_RGB)
+ printf("Mode: RGB\n");
+ else
+ printf("Mode: Color Index\n");
+ printf("SwapBuffers: %s\n", SwapFlag ? "yes" : "no" );
+ printf("Size: %d x %d\n", Width, Height);
+ printf("Buffers: ");
+ if (BufferMask & GL_COLOR_BUFFER_BIT) printf("color ");
+ if (BufferMask & GL_DEPTH_BUFFER_BIT) printf("depth ");
+ if (BufferMask & GL_STENCIL_BUFFER_BIT) printf("stencil ");
+ if (BufferMask & GL_ACCUM_BUFFER_BIT) printf("accum ");
+ printf("\n");
+}
+
+
+static void Help( const char *program )
+{
+ printf("%s options:\n", program);
+ printf(" +rgb RGB mode\n");
+ printf(" +ci color index mode\n");
+ printf(" -color don't clear color buffer\n");
+ printf(" +alpha clear alpha buffer\n");
+ printf(" +depth clear depth buffer\n");
+ printf(" +stencil clear stencil buffer\n");
+ printf(" +accum clear accum buffer\n");
+ printf(" +swap also do SwapBuffers\n");
+ printf(" -swap don't do SwapBuffers\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+ printf("For options: %s -help\n", argv[0]);
+
+ Init( argc, argv );
+
+ glutInit( &argc, argv );
+ glutInitWindowSize( (int) Width, (int) Height );
+ glutInitWindowPosition( 0, 0 );
+
+ glutInitDisplayMode( ColorMode | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL | GLUT_ACCUM );
+
+ glutCreateWindow( argv[0] );
+
+ if (argc==2 && strcmp(argv[1],"-help")==0) {
+ Help(argv[0]);
+ return 0;
+ }
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ glutIdleFunc( Idle );
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/descrip.mms b/progs/demos/descrip.mms
new file mode 100644
index 0000000000..a705f1704f
--- /dev/null
+++ b/progs/demos/descrip.mms
@@ -0,0 +1,63 @@
+# Makefile for GLUT-based demo programs for VMS
+# contributed by Jouk Jansen joukj@crys.chem.uva.nl
+
+
+.first
+ define gl [-.include.gl]
+
+.include [-]mms-config.
+
+##### MACROS #####
+
+INCDIR = [-.include]
+CFLAGS = /include=$(INCDIR)/prefix=all
+
+.ifdef SHARE
+GL_LIBS = $(XLIBS)
+.else
+GL_LIBS = [-.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
+.endif
+
+LIB_DEP = [-.lib]$(GL_LIB) [-.lib]$(GLU_LIB) [-.lib]$(GLUT_LIB)
+
+PROGS = bounce.exe;,clearspd.exe;,drawpix.exe;,gamma.exe;,gears.exe;,\
+ glinfo.exe;,glutfx.exe;,isosurf.exe;,morph3d.exe;,osdemo.exe;,\
+ paltex.exe;,pointblast.exe;,reflect.exe;,spectex.exe;,stex3d.exe;,\
+ tessdemo.exe;,texcyl.exe;,texobj.exe;,trispd.exe;,winpos.exe;
+
+
+##### RULES #####
+.obj.exe :
+ link $(MMS$TARGET_NAME),$(GL_LIBS)
+
+##### TARGETS #####
+default :
+ $(MMS)$(MMSQUALIFIERS) $(PROGS)
+
+clean :
+ delete *.obj;*
+
+realclean :
+ delete $(PROGS)
+ delete *.obj;*
+
+bounce.exe; : bounce.obj $(LIB_DEP)
+clearspd.exe; : clearspd.obj $(LIB_DEP)
+drawpix.exe; : drawpix.obj $(LIB_DEP)
+gamma.exe; : gamma.obj $(LIB_DEP)
+gears.exe; : gears.obj $(LIB_DEP)
+glinfo.exe; : glinfo.obj $(LIB_DEP)
+glutfx.exe; : glutfx.obj $(LIB_DEP)
+isosurf.exe; : isosurf.obj $(LIB_DEP)
+morph3d.exe; : morph3d.obj $(LIB_DEP)
+osdemo.exe; : osdemo.obj $(LIB_DEP)
+paltex.exe; : paltex.obj $(LIB_DEP)
+pointblast.exe; : pointblast.obj $(LIB_DEP)
+reflect.exe; : reflect.obj $(LIB_DEP)
+spectex.exe; : spectex.obj $(LIB_DEP)
+stex3d.exe; : stex3d.obj $(LIB_DEP)
+tessdemo.exe; : tessdemo.obj $(LIB_DEP)
+texcyl.exe; : texcyl.obj $(LIB_DEP)
+texobj.exe; : texobj.obj $(LIB_DEP)
+trispd.exe; : trispd.obj $(LIB_DEP)
+winpos.exe; : winpos.obj $(LIB_DEP)
diff --git a/progs/demos/drawpix.c b/progs/demos/drawpix.c
new file mode 100644
index 0000000000..264df71ab4
--- /dev/null
+++ b/progs/demos/drawpix.c
@@ -0,0 +1,307 @@
+/* $Id: drawpix.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * glDrawPixels demo/test/benchmark
+ *
+ * Brian Paul September 25, 1997 This file is in the public domain.
+ */
+
+/*
+ * $Log: drawpix.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.3 1999/03/28 18:18:33 brianp
+ * minor clean-up
+ *
+ * Revision 3.2 1998/11/05 04:34:04 brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 3.1 1998/02/22 16:43:17 brianp
+ * added a few casts to silence compiler warnings
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#include "../util/readtex.c" /* a hack, I know */
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+static int Xpos, Ypos;
+static int SkipPixels, SkipRows;
+static int DrawWidth, DrawHeight;
+static int Scissor = 0;
+static float Xzoom, Yzoom;
+
+
+
+static void Reset( void )
+{
+ Xpos = Ypos = 20;
+ DrawWidth = ImgWidth;
+ DrawHeight = ImgHeight;
+ SkipPixels = SkipRows = 0;
+ Scissor = 0;
+ Xzoom = Yzoom = 1.0;
+}
+
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+
+#if 0
+ glRasterPos2i(Xpos, Ypos);
+#else
+ /* This allows negative raster positions: */
+ glRasterPos2i(0, 0);
+ glBitmap(0, 0, 0, 0, Xpos, Ypos, NULL);
+#endif
+
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, SkipPixels);
+ glPixelStorei(GL_UNPACK_SKIP_ROWS, SkipRows);
+
+ glPixelZoom( Xzoom, Yzoom );
+
+ if (Scissor)
+ glEnable(GL_SCISSOR_TEST);
+
+ glDrawPixels(DrawWidth, DrawHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+ glDisable(GL_SCISSOR_TEST);
+
+ glutSwapBuffers();
+}
+
+
+static void Benchmark( void )
+{
+ int startTime, endTime;
+ int draws = 500;
+ double seconds, pixelsPerSecond;
+
+ printf("Benchmarking...\n");
+ /* GL set-up */
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, SkipPixels);
+ glPixelStorei(GL_UNPACK_SKIP_ROWS, SkipRows);
+ glPixelZoom( Xzoom, Yzoom );
+ if (Scissor)
+ glEnable(GL_SCISSOR_TEST);
+
+ /* Run timing test */
+ draws = 0;
+ startTime = glutGet(GLUT_ELAPSED_TIME);
+ do {
+ glDrawPixels(DrawWidth, DrawHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+ draws++;
+ endTime = glutGet(GLUT_ELAPSED_TIME);
+ } while (endTime - startTime < 4000); /* 4 seconds */
+
+ /* GL clean-up */
+ glDisable(GL_SCISSOR_TEST);
+
+ /* Results */
+ seconds = (double) (endTime - startTime) / 1000.0;
+ pixelsPerSecond = draws * DrawWidth * DrawHeight / seconds;
+ printf("Result: %d draws in %f seconds = %f pixels/sec\n",
+ draws, seconds, pixelsPerSecond);
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho( 0.0, width, 0.0, height, -1.0, 1.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ glScissor(width/4, height/4, width/2, height/2);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case ' ':
+ Reset();
+ break;
+ case 'w':
+ if (DrawWidth > 0)
+ DrawWidth--;
+ break;
+ case 'W':
+ DrawWidth++;
+ break;
+ case 'h':
+ if (DrawHeight > 0)
+ DrawHeight--;
+ break;
+ case 'H':
+ DrawHeight++;
+ break;
+ case 'p':
+ if (SkipPixels > 0)
+ SkipPixels--;
+ break;
+ case 'P':
+ SkipPixels++;
+ break;
+ case 'r':
+ if (SkipRows > 0)
+ SkipRows--;
+ break;
+ case 'R':
+ SkipRows++;
+ break;
+ case 's':
+ Scissor = !Scissor;
+ break;
+ case 'x':
+ Xzoom -= 0.1;
+ break;
+ case 'X':
+ Xzoom += 0.1;
+ break;
+ case 'y':
+ Yzoom -= 0.1;
+ break;
+ case 'Y':
+ Yzoom += 0.1;
+ break;
+ case 'b':
+ Benchmark();
+ break;
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ Ypos += 1;
+ break;
+ case GLUT_KEY_DOWN:
+ Ypos -= 1;
+ break;
+ case GLUT_KEY_LEFT:
+ Xpos -= 1;
+ break;
+ case GLUT_KEY_RIGHT:
+ Xpos += 1;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( GLboolean ciMode )
+{
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+ Image = LoadRGBImage( IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat );
+ if (!Image) {
+ printf("Couldn't read %s\n", IMAGE_FILE);
+ exit(0);
+ }
+
+ if (ciMode) {
+ /* Convert RGB image to grayscale */
+ GLubyte *indexImage = malloc( ImgWidth * ImgHeight );
+ GLint i;
+ for (i=0; i<ImgWidth*ImgHeight; i++) {
+ int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2];
+ indexImage[i] = gray / 3;
+ }
+ free(Image);
+ Image = indexImage;
+ ImgFormat = GL_COLOR_INDEX;
+
+ for (i=0;i<255;i++) {
+ float g = i / 255.0;
+ glutSetColor(i, g, g, g);
+ }
+ }
+
+ printf("Loaded %d by %d image\n", ImgWidth, ImgHeight );
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth);
+
+ Reset();
+}
+
+
+static void Usage(void)
+{
+ printf("Keys:\n");
+ printf(" SPACE Reset\n");
+ printf(" Up/Down Move image up/down\n");
+ printf(" Left/Right Move image left/right\n");
+ printf(" w Decrease glDrawPixels width\n");
+ printf(" W Increase glDrawPixels width\n");
+ printf(" h Decrease glDrawPixels height\n");
+ printf(" H Increase glDrawPixels height\n");
+ printf(" p Decrease GL_UNPACK_SKIP_PIXELS\n");
+ printf(" P Increase GL_UNPACK_SKIP_PIXELS\n");
+ printf(" r Decrease GL_UNPACK_SKIP_ROWS\n");
+ printf(" R Increase GL_UNPACK_SKIP_ROWS\n");
+ printf(" s Toggle GL_SCISSOR_TEST\n");
+ printf(" b Benchmark test\n");
+ printf(" ESC Exit\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+ GLboolean ciMode = GL_FALSE;
+
+ if (argc > 1 && strcmp(argv[1], "-ci")==0) {
+ ciMode = GL_TRUE;
+ }
+
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 500, 400 );
+
+ if (ciMode)
+ glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
+ else
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+ glutCreateWindow(argv[0]);
+
+ Init(ciMode);
+ Usage();
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/gamma.c b/progs/demos/gamma.c
new file mode 100644
index 0000000000..a3b0bd8c67
--- /dev/null
+++ b/progs/demos/gamma.c
@@ -0,0 +1,176 @@
+
+/* $Id: gamma.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/* Draw test patterns to help determine correct gamma value for a display.
+ When the intensities of the inner squares nearly match the intensities
+ of their frames (from some distance the borders should disappear) then
+ you've found the right gamma value.
+
+ You can set Mesa's gamma values (for red, green and blue) with the
+ MESA_GAMMA environment variable. But only on X windows!
+ For example:
+ setenv MESA_GAMMA 1.5 1.6 1.4
+ Sets the red gamma value to 1.5, green to 1.6 and blue to 1.4.
+ See the main README file for more information.
+
+ For more info about gamma correction see:
+ http://www.inforamp.net/~poynton/notes/colour_and_gamma/GammaFAQ.html
+
+ This program is in the public domain
+
+ Brian Paul 19 Oct 1995
+ Kai Schuetz 05 Jun 1999 */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+/*
+ * $Log: gamma.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.1 1999/06/19 01:35:38 brianp
+ * merged in Kai Schuetz's RGB changes
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static void
+Reshape(int width, int height)
+{
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glShadeModel(GL_FLAT);
+}
+
+/* ARGSUSED1 */
+static void
+key_esc(unsigned char key, int x, int y)
+{
+ if(key == 27) exit(0); /* Exit on Escape */
+}
+
+static GLubyte p25[] = {
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+};
+
+static GLubyte p50[] = {
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+};
+
+static GLubyte p75[] = {
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+};
+
+static GLubyte *stippletab[4] = {NULL, p25, p50, p75};
+
+static void
+gamma_ramp(GLfloat yoffs, GLfloat r, GLfloat g, GLfloat b)
+{
+ GLint d;
+
+ glColor3f(0.0, 0.0, 0.0); /* solid black, no stipple */
+ glRectf(-1.0, yoffs, -0.6, yoffs + 0.5);
+
+ for(d = 1; d < 4; d++) { /* increasing density from 25% to 75% */
+ GLfloat xcoord = (-1.0 + d*0.4);
+
+ glColor3f(r*d / 5.0, g*d / 5.0, b*d / 5.0); /* draw outer rect */
+ glRectf(xcoord, yoffs, xcoord+0.4, yoffs + 0.5);
+
+ glColor3f(0.0, 0.0, 0.0); /* "clear" inner rect */
+ glRectf(xcoord + 0.1, yoffs + 0.125, xcoord + 0.3, yoffs + 0.375);
+
+ glColor3f(r, g, b); /* draw stippled inner rect */
+ glEnable(GL_POLYGON_STIPPLE);
+ glPolygonStipple(stippletab[d]);
+ glRectf(xcoord + 0.1, yoffs + 0.125, xcoord + 0.3, yoffs + 0.375);
+ glDisable(GL_POLYGON_STIPPLE);
+ }
+ glColor3f(r, g, b); /* solid color, no stipple */
+ glRectf(0.6, yoffs, 1.0, yoffs + 0.5);
+}
+
+static void
+display(void)
+{
+ gamma_ramp( 0.5, 1.0, 1.0, 1.0); /* white ramp */
+ gamma_ramp( 0.0, 1.0, 0.0, 0.0); /* red ramp */
+ gamma_ramp(-0.5, 0.0, 1.0, 0.0); /* green ramp */
+ gamma_ramp(-1.0, 0.0, 0.0, 1.0); /* blue ramp */
+ glFlush();
+}
+
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);
+
+ glutInitWindowPosition(50, 50);
+ glutInitWindowSize(500, 400);
+
+ glutCreateWindow("gamma test patterns");
+ glutReshapeFunc(Reshape);
+ glutDisplayFunc(display);
+ glutKeyboardFunc(key_esc);
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/demos/gears.c b/progs/demos/gears.c
new file mode 100644
index 0000000000..8d99a8d317
--- /dev/null
+++ b/progs/demos/gears.c
@@ -0,0 +1,356 @@
+/* $Id: gears.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * 3-D gear wheels. This program is in the public domain.
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+/*
+ * $Log: gears.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.2 1999/06/03 17:07:36 brianp
+ * an extra quad was being drawn in front and back faces
+ *
+ * Revision 3.1 1998/11/03 02:49:10 brianp
+ * added fps output
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+/**
+
+ Draw a gear wheel. You'll probably want to call this function when
+ building a display list since we do a lot of trig here.
+
+ Input: inner_radius - radius of hole at center
+ outer_radius - radius at center of teeth
+ width - width of gear
+ teeth - number of teeth
+ tooth_depth - depth of tooth
+
+ **/
+
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+ GLint teeth, GLfloat tooth_depth)
+{
+ GLint i;
+ GLfloat r0, r1, r2;
+ GLfloat angle, da;
+ GLfloat u, v, len;
+
+ r0 = inner_radius;
+ r1 = outer_radius - tooth_depth / 2.0;
+ r2 = outer_radius + tooth_depth / 2.0;
+
+ da = 2.0 * M_PI / teeth / 4.0;
+
+ glShadeModel(GL_FLAT);
+
+ glNormal3f(0.0, 0.0, 1.0);
+
+ /* draw front face */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ if (i < teeth) {
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ }
+ }
+ glEnd();
+
+ /* draw front sides of teeth */
+ glBegin(GL_QUADS);
+ da = 2.0 * M_PI / teeth / 4.0;
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ }
+ glEnd();
+
+ glNormal3f(0.0, 0.0, -1.0);
+
+ /* draw back face */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ if (i < teeth) {
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ }
+ }
+ glEnd();
+
+ /* draw back sides of teeth */
+ glBegin(GL_QUADS);
+ da = 2.0 * M_PI / teeth / 4.0;
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ }
+ glEnd();
+
+ /* draw outward faces of teeth */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ u = r2 * cos(angle + da) - r1 * cos(angle);
+ v = r2 * sin(angle + da) - r1 * sin(angle);
+ len = sqrt(u * u + v * v);
+ u /= len;
+ v /= len;
+ glNormal3f(v, -u, 0.0);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ glNormal3f(cos(angle), sin(angle), 0.0);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+ u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+ v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+ glNormal3f(v, -u, 0.0);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glNormal3f(cos(angle), sin(angle), 0.0);
+ }
+
+ glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+ glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+ glEnd();
+
+ glShadeModel(GL_SMOOTH);
+
+ /* draw inside radius cylinder */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+ glNormal3f(-cos(angle), -sin(angle), 0.0);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ }
+ glEnd();
+
+}
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1.0, 0.0, 0.0);
+ glRotatef(view_roty, 0.0, 1.0, 0.0);
+ glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+ glPushMatrix();
+ glTranslatef(-3.0, -2.0, 0.0);
+ glRotatef(angle, 0.0, 0.0, 1.0);
+ glCallList(gear1);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(3.1, -2.0, 0.0);
+ glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+ glCallList(gear2);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-3.1, 4.2, 0.0);
+ glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+ glCallList(gear3);
+ glPopMatrix();
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+
+ Frames++;
+ {
+ GLint t = glutGet(GLUT_ELAPSED_TIME);
+ if (t - T0 >= 5000) {
+ GLfloat seconds = (t - T0) / 1000.0;
+ GLfloat fps = Frames / seconds;
+ printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+ T0 = t;
+ Frames = 0;
+ }
+ }
+}
+
+
+static void
+idle(void)
+{
+ angle += 2.0;
+ glutPostRedisplay();
+}
+
+/* change view angle, exit upon ESC */
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+ switch (k) {
+ case 'z':
+ view_rotz += 5.0;
+ break;
+ case 'Z':
+ view_rotz -= 5.0;
+ break;
+ case 27: /* Escape */
+ exit(0);
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
+/* change view angle */
+/* ARGSUSED1 */
+static void
+special(int k, int x, int y)
+{
+ switch (k) {
+ case GLUT_KEY_UP:
+ view_rotx += 5.0;
+ break;
+ case GLUT_KEY_DOWN:
+ view_rotx -= 5.0;
+ break;
+ case GLUT_KEY_LEFT:
+ view_roty += 5.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ view_roty -= 5.0;
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -40.0);
+}
+
+static void
+init(void)
+{
+ static GLfloat pos[4] =
+ {5.0, 5.0, 10.0, 0.0};
+ static GLfloat red[4] =
+ {0.8, 0.1, 0.0, 1.0};
+ static GLfloat green[4] =
+ {0.0, 0.8, 0.2, 1.0};
+ static GLfloat blue[4] =
+ {0.2, 0.2, 1.0, 1.0};
+
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+
+ /* make the gears */
+ gear1 = glGenLists(1);
+ glNewList(gear1, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+ gear(1.0, 4.0, 1.0, 20, 0.7);
+ glEndList();
+
+ gear2 = glGenLists(1);
+ glNewList(gear2, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+ gear(0.5, 2.0, 2.0, 10, 0.7);
+ glEndList();
+
+ gear3 = glGenLists(1);
+ glNewList(gear3, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+ gear(1.3, 2.0, 0.5, 10, 0.7);
+ glEndList();
+
+ glEnable(GL_NORMALIZE);
+}
+
+void
+visible(int vis)
+{
+ if (vis == GLUT_VISIBLE)
+ glutIdleFunc(idle);
+ else
+ glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(300, 300);
+ glutCreateWindow("Gears");
+ init();
+
+ glutDisplayFunc(draw);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(key);
+ glutSpecialFunc(special);
+ glutVisibilityFunc(visible);
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/demos/glinfo.c b/progs/demos/glinfo.c
new file mode 100644
index 0000000000..a61e365474
--- /dev/null
+++ b/progs/demos/glinfo.c
@@ -0,0 +1,50 @@
+/* $Id: glinfo.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Print GL, GLU and GLUT version and extension info
+ *
+ * Brian Paul This file in public domain.
+ * October 3, 1997
+ */
+
+
+/*
+ * $Log: glinfo.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.2 1999/02/02 04:45:49 brianp
+ * include stdio.h before glut.h
+ *
+ * Revision 3.1 1998/02/22 16:42:54 brianp
+ * added casts to prevent compiler warnings
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <GL/glut.h>
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitDisplayMode( GLUT_RGB );
+ glutCreateWindow(argv[0]);
+
+ printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_EXTENSIONS: %s\n", (char *) glGetString(GL_EXTENSIONS));
+ printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GLU_VERSION: %s\n", (char *) gluGetString(GLU_VERSION));
+ printf("GLU_EXTENSIONS: %s\n", (char *) gluGetString(GLU_EXTENSIONS));
+ printf("GLUT_API_VERSION: %d\n", GLUT_API_VERSION);
+#ifdef GLUT_XLIB_IMPLEMENTATION
+ printf("GLUT_XLIB_IMPLEMENTATION: %d\n", GLUT_XLIB_IMPLEMENTATION);
+#endif
+
+ return 0;
+}
diff --git a/progs/demos/glutfx.c b/progs/demos/glutfx.c
new file mode 100644
index 0000000000..278d726bcb
--- /dev/null
+++ b/progs/demos/glutfx.c
@@ -0,0 +1,207 @@
+/* $Id: glutfx.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Example of how one might use GLUT with the 3Dfx driver in full-screen mode.
+ * Note: this only works with X since we're using Mesa's GLX "hack" for
+ * using Glide.
+ *
+ * Goals:
+ * easy setup and input event handling with GLUT
+ * use 3Dfx hardware
+ * automatically set MESA environment variables
+ * don't lose mouse input focus
+ *
+ * Brian Paul This file is in the public domain.
+ */
+
+/*
+ * $Log: glutfx.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.2 1999/03/28 18:18:33 brianp
+ * minor clean-up
+ *
+ * Revision 3.1 1998/06/29 02:37:30 brianp
+ * minor changes for Windows (Ted Jump)
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#define WIDTH 640
+#define HEIGHT 480
+
+
+static int Window = 0;
+static int ScreenWidth, ScreenHeight;
+static GLuint Torus = 0;
+static GLfloat Xrot = 0.0, Yrot = 0.0;
+
+
+
+static void Display( void )
+{
+ static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0};
+ static GLfloat red[4] = {1.0, 0.2, 0.2, 1.0};
+ static GLfloat green[4] = {0.2, 1.0, 0.2, 1.0};
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(Xrot, 1, 0, 0);
+ glRotatef(Yrot, 0, 1, 0);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
+ glCallList(Torus);
+
+ glRotatef(90.0, 1, 0, 0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+ glCallList(Torus);
+
+ glRotatef(90.0, 0, 1, 0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green);
+ glCallList(Torus);
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ float ratio = (float) width / (float) height;
+
+ ScreenWidth = width;
+ ScreenHeight = height;
+
+ /*
+ * The 3Dfx driver is limited to 640 x 480 but the X window may be larger.
+ * Enforce that here.
+ */
+ if (width > WIDTH)
+ width = WIDTH;
+ if (height > HEIGHT)
+ height = HEIGHT;
+
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -ratio, ratio, -1.0, 1.0, 5.0, 30.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -20.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ glutDestroyWindow(Window);
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ break;
+ case GLUT_KEY_DOWN:
+ break;
+ case GLUT_KEY_LEFT:
+ break;
+ case GLUT_KEY_RIGHT:
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void MouseMove( int x, int y )
+{
+ Xrot = y - ScreenWidth / 2;
+ Yrot = x - ScreenHeight / 2;
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ Torus = glGenLists(1);
+ glNewList(Torus, GL_COMPILE);
+ glutSolidTorus(0.5, 2.0, 10, 20);
+ glEndList();
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_CULL_FACE);
+}
+
+
+int main( int argc, char *argv[] )
+{
+#ifndef _WIN32
+ printf("NOTE: if you've got 3Dfx VooDoo hardware you must run this");
+ printf(" program as root.\n\n");
+ printf("Move the mouse. Press ESC to exit.\n\n");
+ sleep(2);
+#endif
+
+ /* Tell Mesa GLX to use 3Dfx driver in fullscreen mode. */
+ putenv("MESA_GLX_FX=fullscreen");
+
+ /* Disable 3Dfx Glide splash screen */
+ putenv("FX_GLIDE_NO_SPLASH=");
+
+ /* Give an initial size and position so user doesn't have to place window */
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(WIDTH, HEIGHT);
+ glutInit( &argc, argv );
+
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+ Window = glutCreateWindow(argv[0]);
+ if (!Window) {
+ printf("Error, couldn't open window\n");
+ exit(1);
+ }
+
+ /*
+ * Want the X window to fill the screen so that we don't have to
+ * worry about losing the mouse input focus.
+ * Note that we won't actually see the X window since we never draw
+ * to it, hence, the original X screen's contents aren't disturbed.
+ */
+ glutFullScreen();
+
+ Init();
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ glutPassiveMotionFunc( MouseMove );
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/isosurf.c b/progs/demos/isosurf.c
new file mode 100644
index 0000000000..393197f66d
--- /dev/null
+++ b/progs/demos/isosurf.c
@@ -0,0 +1,821 @@
+/* $Id: isosurf.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Display an isosurface of 3-D wind speed volume. Use arrow keys to
+ * rotate, S toggles smooth shading, L toggles lighting
+ * Brian Paul This file in public domain.
+ */
+
+/*
+ * $Log: isosurf.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.4 1999/04/24 01:10:47 keithw
+ * clip planes, materials
+ *
+ * Revision 3.3 1999/03/31 19:42:14 keithw
+ * support for cva
+ *
+ * Revision 3.1 1998/11/01 20:30:20 brianp
+ * added benchmark feature (b key)
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include "GL/glut.h"
+
+#include "../util/readtex.c" /* I know, this is a hack. KW: me too. */
+#define TEXTURE_FILE "../images/reflect.rgb"
+
+#define LIT 0x1
+#define UNLIT 0x2
+#define TEXTURE 0x4
+#define NO_TEXTURE 0x8
+#define REFLECT 0x10
+#define NO_REFLECT 0x20
+#define POINT_FILTER 0x40
+#define LINEAR_FILTER 0x80
+#define IMMEDIATE 0x100
+#define DRAW_ARRAYS 0x200 /* or draw_elts, if compiled */
+#define ARRAY_ELT 0x400
+#define COMPILED 0x800
+#define NOT_COMPILED 0x1000
+#define SHADE_SMOOTH 0x2000
+#define SHADE_FLAT 0x4000
+#define TRIANGLES 0x8000
+#define STRIPS 0x10000
+#define USER_CLIP 0x20000
+#define NO_USER_CLIP 0x40000
+#define MATERIALS 0x80000
+#define NO_MATERIALS 0x100000
+#define QUIT 0x800000
+
+#define LIGHT_MASK (LIT|UNLIT)
+#define TEXTURE_MASK (TEXTURE|NO_TEXTURE)
+#define REFLECT_MASK (REFLECT|NO_REFLECT)
+#define FILTER_MASK (POINT_FILTER|LINEAR_FILTER)
+#define RENDER_STYLE_MASK (IMMEDIATE|DRAW_ARRAYS|ARRAY_ELT)
+#define COMPILED_MASK (COMPILED|NOT_COMPILED)
+#define MATERIAL_MASK (MATERIALS|NO_MATERIALS)
+#define PRIMITIVE_MASK (TRIANGLES|STRIPS)
+#define CLIP_MASK (USER_CLIP|NO_USER_CLIP)
+#define SHADE_MASK (SHADE_SMOOTH|SHADE_FLAT)
+
+#define MAXVERTS 10000
+static float data[MAXVERTS][6];
+static float compressed_data[MAXVERTS][6];
+static GLuint indices[MAXVERTS];
+static GLuint tri_indices[MAXVERTS*3];
+static GLfloat col[100][4];
+static GLint numverts, num_tri_verts, numuniq;
+
+static GLfloat xrot;
+static GLfloat yrot;
+static GLint state, allowed = ~0;
+static GLboolean doubleBuffer = GL_TRUE;
+static GLdouble plane[4] = {1.0, 0.0, -1.0, 0.0};
+
+
+static void read_surface( char *filename )
+{
+ FILE *f;
+
+ f = fopen(filename,"r");
+ if (!f) {
+ printf("couldn't read %s\n", filename);
+ exit(1);
+ }
+
+ numverts = 0;
+ while (!feof(f) && numverts<MAXVERTS) {
+ fscanf( f, "%f %f %f %f %f %f",
+ &data[numverts][0], &data[numverts][1], &data[numverts][2],
+ &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+ numverts++;
+ }
+ numverts--;
+
+ printf("%d vertices, %d triangles\n", numverts, numverts-2);
+ fclose(f);
+}
+
+
+
+
+struct data_idx {
+ float *data;
+ int idx;
+ int uniq_idx;
+};
+
+
+#define COMPARE_FUNC( AXIS ) \
+int compare_axis_##AXIS( const void *a, const void *b ) \
+{ \
+ float t = ( (*(struct data_idx *)a).data[AXIS] - \
+ (*(struct data_idx *)b).data[AXIS] ); \
+ \
+ if (t < 0) return -1; \
+ if (t > 0) return 1; \
+ return 0; \
+}
+
+COMPARE_FUNC(0)
+COMPARE_FUNC(1)
+COMPARE_FUNC(2)
+COMPARE_FUNC(3)
+COMPARE_FUNC(4)
+COMPARE_FUNC(5)
+COMPARE_FUNC(6)
+
+int (*(compare[7]))( const void *a, const void *b ) =
+{
+ compare_axis_0,
+ compare_axis_1,
+ compare_axis_2,
+ compare_axis_3,
+ compare_axis_4,
+ compare_axis_5,
+ compare_axis_6,
+};
+
+
+#define VEC_ELT(f, s, i) (float *)(((char *)f) + s * i)
+
+static int sort_axis( int axis,
+ int vec_size,
+ int vec_stride,
+ struct data_idx *indices,
+ int start,
+ int finish,
+ float *out,
+ int uniq,
+ const float fudge )
+{
+ int i;
+
+ if (finish-start > 2)
+ {
+ qsort( indices+start, finish-start, sizeof(*indices), compare[axis] );
+ }
+ else if (indices[start].data[axis] > indices[start+1].data[axis])
+ {
+ struct data_idx tmp = indices[start];
+ indices[start] = indices[start+1];
+ indices[start+1] = tmp;
+ }
+
+ if (axis == vec_size-1) {
+ for (i = start ; i < finish ; ) {
+ float max = indices[i].data[axis] + fudge;
+ float *dest = VEC_ELT(out, vec_stride, uniq);
+ int j;
+
+ for (j = 0 ; j < vec_size ; j++)
+ dest[j] = indices[i].data[j];
+
+ for ( ; i < finish && max >= indices[i].data[axis]; i++)
+ indices[i].uniq_idx = uniq;
+
+ uniq++;
+ }
+ } else {
+ for (i = start ; i < finish ; ) {
+ int j = i + 1;
+ float max = indices[i].data[axis] + fudge;
+ while (j < finish && max >= indices[j].data[axis]) j++;
+ if (j == i+1) {
+ float *dest = VEC_ELT(out, vec_stride, uniq);
+ int k;
+
+ indices[i].uniq_idx = uniq;
+
+ for (k = 0 ; k < vec_size ; k++)
+ dest[k] = indices[i].data[k];
+
+ uniq++;
+ } else {
+ uniq = sort_axis( axis+1, vec_size, vec_stride,
+ indices, i, j, out, uniq, fudge );
+ }
+ i = j;
+ }
+ }
+
+ return uniq;
+}
+
+
+static void extract_indices1( const struct data_idx *in, unsigned int *out,
+ int n )
+{
+ int i;
+ for ( i = 0 ; i < n ; i++ ) {
+ out[in[i].idx] = in[i].uniq_idx;
+ }
+}
+
+
+static void compactify_arrays()
+{
+ int i;
+ struct data_idx *ind;
+
+ ind = (struct data_idx *) malloc( sizeof(struct data_idx) * numverts );
+
+ for (i = 0 ; i < numverts ; i++) {
+ ind[i].idx = i;
+ ind[i].data = data[i];
+ }
+
+ numuniq = sort_axis(0,
+ sizeof(compressed_data[0])/sizeof(float),
+ sizeof(compressed_data[0]),
+ ind,
+ 0,
+ numverts,
+ (float *)compressed_data,
+ 0,
+ 1e-6);
+
+ printf("Nr unique vertex/normal pairs: %d\n", numuniq);
+
+ extract_indices1( ind, indices, numverts );
+ free( ind );
+}
+
+static float myrand( float max )
+{
+ return max*rand()/(RAND_MAX+1.0);
+}
+
+
+static void make_tri_indices( void )
+{
+ unsigned int *v = tri_indices;
+ unsigned int parity = 0;
+ unsigned int i, j;
+
+ for (j=2;j<numverts;j++,parity^=1) {
+ if (parity) {
+ *v++ = indices[j-1];
+ *v++ = indices[j-2];
+ *v++ = indices[j];
+ } else {
+ *v++ = indices[j-2];
+ *v++ = indices[j-1];
+ *v++ = indices[j];
+ }
+ }
+
+ num_tri_verts = v - tri_indices;
+ printf("num_tri_verts: %d\n", num_tri_verts);
+
+ for (i = j = 0 ; i < num_tri_verts ; i += 600, j++) {
+ col[j][3] = 1;
+ col[j][2] = myrand(1);
+ col[j][1] = myrand(1);
+ col[j][0] = myrand(1);
+ }
+}
+
+#define MIN(x,y) (x < y) ? x : y
+
+static void draw_surface( void )
+{
+ GLuint i, j;
+
+ switch (state & (COMPILED_MASK|RENDER_STYLE_MASK|PRIMITIVE_MASK)) {
+#ifdef GL_EXT_vertex_array
+
+ case (COMPILED|DRAW_ARRAYS|STRIPS):
+ glDrawElements( GL_TRIANGLE_STRIP, numverts, GL_UNSIGNED_INT, indices );
+ break;
+
+
+ case (COMPILED|ARRAY_ELT|STRIPS):
+ glBegin( GL_TRIANGLE_STRIP );
+ for (i = 0 ; i < numverts ; i++)
+ glArrayElement( indices[i] );
+ glEnd();
+ break;
+
+ case (COMPILED|DRAW_ARRAYS|TRIANGLES):
+ case (NOT_COMPILED|DRAW_ARRAYS|TRIANGLES):
+ if (state & MATERIALS) {
+ for (j = i = 0 ; i < num_tri_verts ; i += 600, j++) {
+ GLuint nr = MIN(num_tri_verts-i, 600);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+ glDrawElements( GL_TRIANGLES, nr, GL_UNSIGNED_INT, tri_indices+i );
+ }
+ } else {
+ glDrawElements( GL_TRIANGLES, num_tri_verts, GL_UNSIGNED_INT,
+ tri_indices );
+ }
+
+ break;
+
+ /* Uses the original arrays (including duplicate elements):
+ */
+ case (NOT_COMPILED|DRAW_ARRAYS|STRIPS):
+ glDrawArraysEXT( GL_TRIANGLE_STRIP, 0, numverts );
+ break;
+
+ /* Uses the original arrays (including duplicate elements):
+ */
+ case (NOT_COMPILED|ARRAY_ELT|STRIPS):
+ glBegin( GL_TRIANGLE_STRIP );
+ for (i = 0 ; i < numverts ; i++)
+ glArrayElement( i );
+ glEnd();
+ break;
+
+ case (NOT_COMPILED|ARRAY_ELT|TRIANGLES):
+ case (COMPILED|ARRAY_ELT|TRIANGLES):
+ if (state & MATERIALS) {
+ for (j = i = 0 ; i < num_tri_verts ; i += 600, j++) {
+ GLuint nr = MIN(num_tri_verts-i, 600);
+ GLuint k;
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+ glBegin( GL_TRIANGLES );
+ for (k = 0 ; k < nr ; k++)
+ glArrayElement( tri_indices[i+k] );
+ glEnd();
+ }
+ } else {
+ glBegin( GL_TRIANGLES );
+ for (i = 0 ; i < num_tri_verts ; i++)
+ glArrayElement( tri_indices[i] );
+ glEnd();
+ }
+ break;
+
+ case (NOT_COMPILED|IMMEDIATE|TRIANGLES):
+ if (state & MATERIALS) {
+ for (j = i = 0 ; i < num_tri_verts ; i += 600, j++) {
+ GLuint nr = MIN(num_tri_verts-i, 600);
+ GLuint k;
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+ glBegin( GL_TRIANGLES );
+ for (k = 0 ; k < nr ; k++) {
+ glNormal3fv( &compressed_data[tri_indices[i+k]][3] );
+ glVertex3fv( &compressed_data[tri_indices[i+k]][0] );
+ }
+ glEnd();
+ }
+ } else {
+ glBegin( GL_TRIANGLES );
+ for (i = 0 ; i < num_tri_verts ; i++) {
+ glNormal3fv( &compressed_data[tri_indices[i]][3] );
+ glVertex3fv( &compressed_data[tri_indices[i]][0] );
+ }
+ glEnd();
+ }
+ break;
+
+#endif
+
+ /* Uses the original arrays (including duplicate elements):
+ */
+ default:
+ glBegin( GL_TRIANGLE_STRIP );
+ for (i=0;i<numverts;i++) {
+ glNormal3fv( &data[i][3] );
+ glVertex3fv( &data[i][0] );
+ }
+ glEnd();
+ }
+}
+
+
+
+static void Display(void)
+{
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+ draw_surface();
+ glFlush();
+ if (doubleBuffer) glutSwapBuffers();
+}
+
+/* KW: only do this when necessary, so CVA can re-use results.
+ */
+static void set_matrix( void )
+{
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -6.0 );
+ glRotatef( yrot, 0.0, 1.0, 0.0 );
+ glRotatef( xrot, 1.0, 0.0, 0.0 );
+}
+
+static void Benchmark( float xdiff, float ydiff )
+{
+ int startTime, endTime;
+ int draws;
+ double seconds, fps, triPerSecond;
+
+ printf("Benchmarking...\n");
+
+ draws = 0;
+ startTime = glutGet(GLUT_ELAPSED_TIME);
+ xrot = 0.0;
+ do {
+ xrot += xdiff;
+ yrot += ydiff;
+ set_matrix();
+ Display();
+ draws++;
+ endTime = glutGet(GLUT_ELAPSED_TIME);
+ } while (endTime - startTime < 5000); /* 5 seconds */
+
+ /* Results */
+ seconds = (double) (endTime - startTime) / 1000.0;
+ triPerSecond = (numverts - 2) * draws / seconds;
+ fps = draws / seconds;
+ printf("Result: triangles/sec: %g fps: %g\n", triPerSecond, fps);
+}
+
+
+static void InitMaterials(void)
+{
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+ static float position0[] = {0.0, 0.0, 20.0, 0.0};
+ static float position1[] = {0.0, 0.0, -20.0, 0.0};
+ static float front_mat_shininess[] = {60.0};
+ static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+ static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+ /*
+ static float back_mat_shininess[] = {60.0};
+ static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+ static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+ */
+ static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+ static float lmodel_twoside[] = {GL_FALSE};
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position0);
+ glEnable(GL_LIGHT0);
+
+ glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT1, GL_POSITION, position1);
+ glEnable(GL_LIGHT1);
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_mat_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_mat_specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, front_mat_diffuse);
+}
+
+
+
+#define UPDATE(o,n,mask) (o&=~mask, o|=n&mask)
+#define CHANGED(o,n,mask) ((n&mask) && \
+ (n&mask) != (o&mask) ? UPDATE(o,n,mask) : 0)
+
+static void ModeMenu(int m)
+{
+ m &= allowed;
+
+ if (!m) return;
+
+ if (m==QUIT)
+ exit(0);
+
+ if (CHANGED(state, m, FILTER_MASK)) {
+ if (m & LINEAR_FILTER) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ } else {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ }
+ }
+
+ if (CHANGED(state, m, LIGHT_MASK)) {
+ if (m & LIT)
+ glEnable(GL_LIGHTING);
+ else
+ glDisable(GL_LIGHTING);
+ }
+
+ if (CHANGED(state, m, SHADE_MASK)) {
+ if (m & SHADE_SMOOTH)
+ glShadeModel(GL_SMOOTH);
+ else
+ glShadeModel(GL_FLAT);
+ }
+
+
+ if (CHANGED(state, m, TEXTURE_MASK)) {
+ if (m & TEXTURE)
+ glEnable(GL_TEXTURE_2D);
+ else
+ glDisable(GL_TEXTURE_2D);
+ }
+
+ if (CHANGED(state, m, REFLECT_MASK)) {
+ if (m & REFLECT) {
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+ } else {
+ glDisable(GL_TEXTURE_GEN_S);
+ glDisable(GL_TEXTURE_GEN_T);
+ }
+ }
+
+ if (CHANGED(state, m, CLIP_MASK)) {
+ if (m & USER_CLIP) {
+ glEnable(GL_CLIP_PLANE0);
+ } else {
+ glDisable(GL_CLIP_PLANE0);
+ }
+ }
+
+#ifdef GL_EXT_vertex_array
+ if (CHANGED(state, m, (COMPILED_MASK|RENDER_STYLE_MASK|PRIMITIVE_MASK)))
+ {
+ if ((m & (COMPILED_MASK|PRIMITIVE_MASK)) == (NOT_COMPILED|STRIPS))
+ {
+ glVertexPointerEXT( 3, GL_FLOAT, sizeof(data[0]), numverts, data );
+ glNormalPointerEXT( GL_FLOAT, sizeof(data[0]), numverts, &data[0][3]);
+ }
+ else
+ {
+ glVertexPointerEXT( 3, GL_FLOAT, sizeof(data[0]), numuniq,
+ compressed_data );
+ glNormalPointerEXT( GL_FLOAT, sizeof(data[0]), numuniq,
+ &compressed_data[0][3]);
+ }
+#ifdef GL_EXT_compiled_vertex_array
+ if (m & COMPILED) {
+ glLockArraysEXT( 0, numuniq );
+ } else {
+ glUnlockArraysEXT();
+ }
+#endif
+ }
+#endif
+
+ if (m & (RENDER_STYLE_MASK|PRIMITIVE_MASK)) {
+ UPDATE(state, m, (RENDER_STYLE_MASK|PRIMITIVE_MASK));
+ }
+
+ if (m & MATERIAL_MASK) {
+ UPDATE(state, m, MATERIAL_MASK);
+ }
+
+ glutPostRedisplay();
+}
+
+
+
+static void Init(void)
+{
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glEnable( GL_DEPTH_TEST );
+ glEnable( GL_VERTEX_ARRAY_EXT );
+ glEnable( GL_NORMAL_ARRAY_EXT );
+
+ InitMaterials();
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5, 25 );
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glClipPlane(GL_CLIP_PLANE0, plane);
+
+ set_matrix();
+
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+
+ if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+ printf("Error: couldn't load texture image\n");
+ exit(1);
+ }
+
+ if (allowed & COMPILED) {
+ compactify_arrays();
+ make_tri_indices();
+ }
+
+ ModeMenu(SHADE_SMOOTH|
+ LIT|
+ NO_TEXTURE|
+ NO_REFLECT|
+ POINT_FILTER|
+ NOT_COMPILED|
+ NO_USER_CLIP|
+ NO_MATERIALS|
+ IMMEDIATE);
+}
+
+
+
+static void Reshape(int width, int height)
+{
+ glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ case 's':
+ ModeMenu((state ^ SHADE_MASK) & SHADE_MASK);
+ break;
+ case 'l':
+ ModeMenu((state ^ LIGHT_MASK) & LIGHT_MASK);
+ break;
+ case 'm':
+ ModeMenu((state ^ MATERIAL_MASK) & MATERIAL_MASK);
+ break;
+ case 'c':
+ ModeMenu((state ^ CLIP_MASK) & CLIP_MASK);
+ break;
+ case 'b':
+ Benchmark(5.0, 0);
+ break;
+ case 'B':
+ Benchmark(0, 5.0);
+ break;
+ case '-':
+ case '_':
+ plane[3] += 2.0;
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glClipPlane(GL_CLIP_PLANE0, plane);
+ set_matrix();
+ glutPostRedisplay();
+ break;
+ case '+':
+ case '=':
+ plane[3] -= 2.0;
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glClipPlane(GL_CLIP_PLANE0, plane);
+ set_matrix();
+ glutPostRedisplay();
+ break;
+
+ }
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ yrot -= 15.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ yrot += 15.0;
+ break;
+ case GLUT_KEY_UP:
+ xrot += 15.0;
+ break;
+ case GLUT_KEY_DOWN:
+ xrot -= 15.0;
+ break;
+ default:
+ return;
+ }
+ set_matrix();
+ glutPostRedisplay();
+}
+
+
+
+static GLint Args(int argc, char **argv)
+{
+ GLint i;
+ GLint mode = 0;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ }
+ else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ }
+ else {
+ printf("%s (Bad option).\n", argv[i]);
+ return QUIT;
+ }
+ }
+
+ return mode;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+ char *extensions;
+
+ GLuint arg_mode = Args(argc, argv);
+
+ if (arg_mode & QUIT)
+ exit(0);
+
+ read_surface( "isosurf.dat" );
+
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(400, 400);
+
+ type = GLUT_DEPTH;
+ type |= GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Isosurface") <= 0) {
+ exit(0);
+ }
+
+ /* Make sure server supports the vertex array extension */
+ extensions = (char *) glGetString( GL_EXTENSIONS );
+
+ if (!strstr( extensions, "GL_EXT_vertex_array" ))
+ {
+ printf("Vertex arrays not supported by this renderer\n");
+ allowed &= ~(COMPILED|DRAW_ARRAYS|ARRAY_ELT);
+ }
+ else if (!strstr( extensions, "GL_EXT_compiled_vertex_array" ))
+ {
+ printf("Compiled vertex arrays not supported by this renderer\n");
+ allowed &= ~COMPILED;
+ }
+
+ Init();
+ ModeMenu(arg_mode);
+
+ glutCreateMenu(ModeMenu);
+ glutAddMenuEntry("Lit", LIT|NO_TEXTURE|NO_REFLECT);
+ glutAddMenuEntry("Unlit", UNLIT|NO_TEXTURE|NO_REFLECT);
+/* glutAddMenuEntry("Textured", TEXTURE); */
+ glutAddMenuEntry("Reflect", TEXTURE|REFLECT);
+ glutAddMenuEntry("", 0);
+ glutAddMenuEntry("Smooth", SHADE_SMOOTH);
+ glutAddMenuEntry("Flat", SHADE_FLAT);
+ glutAddMenuEntry("", 0);
+ glutAddMenuEntry("Point Filtered", POINT_FILTER);
+ glutAddMenuEntry("Linear Filtered", LINEAR_FILTER);
+ glutAddMenuEntry("", 0);
+ glutAddMenuEntry("Immediate (STRIPS)", NOT_COMPILED|IMMEDIATE|STRIPS);
+ glutAddMenuEntry("Immediate (TRIANGLES)", NOT_COMPILED|IMMEDIATE|TRIANGLES);
+ glutAddMenuEntry("", 0);
+ if (allowed & DRAW_ARRAYS) {
+ glutAddMenuEntry("DrawArrays (STRIPS)",
+ NOT_COMPILED|DRAW_ARRAYS|STRIPS);
+ glutAddMenuEntry("ArrayElement (STRIPS)",
+ NOT_COMPILED|ARRAY_ELT|STRIPS);
+ glutAddMenuEntry("DrawElements (TRIANGLES)",
+ NOT_COMPILED|DRAW_ARRAYS|TRIANGLES);
+ glutAddMenuEntry("ArrayElement (TRIANGLES)",
+ NOT_COMPILED|ARRAY_ELT|TRIANGLES);
+ glutAddMenuEntry("", 0);
+
+ }
+ if (allowed & COMPILED) {
+ glutAddMenuEntry("Compiled DrawElements (TRIANGLES)",
+ COMPILED|DRAW_ARRAYS|TRIANGLES);
+ glutAddMenuEntry("Compiled DrawElements (STRIPS)",
+ COMPILED|DRAW_ARRAYS|STRIPS);
+ glutAddMenuEntry("Compiled ArrayElement",
+ COMPILED|ARRAY_ELT|STRIPS);
+ glutAddMenuEntry("", 0);
+ }
+ glutAddMenuEntry("Quit", QUIT);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(SpecialKey);
+ glutDisplayFunc(Display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/isosurf.dat b/progs/demos/isosurf.dat
new file mode 100644
index 0000000000..5cadecdb43
--- /dev/null
+++ b/progs/demos/isosurf.dat
@@ -0,0 +1,7179 @@
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+-1.000000 0.061400 0.243900 0.248000 0.608000 0.744000
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diff --git a/progs/demos/morph3d.c b/progs/demos/morph3d.c
new file mode 100644
index 0000000000..30ca922144
--- /dev/null
+++ b/progs/demos/morph3d.c
@@ -0,0 +1,892 @@
+/* $Id: morph3d.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * $Log: morph3d.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.1 1998/06/29 02:37:30 brianp
+ * minor changes for Windows (Ted Jump)
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+/*-
+ * morph3d.c - Shows 3D morphing objects
+ *
+ * Converted to GLUT by brianp on 1/1/98
+ *
+ * This program was inspired on a WindowsNT(R)'s screen saver. It was written
+ * from scratch and it was not based on any other source code.
+ *
+ * Porting it to xlock (the final objective of this code since the moment I
+ * decided to create it) was possible by comparing the original Mesa's gear
+ * demo with it's ported version, so thanks for Danny Sung for his indirect
+ * help (look at gear.c in xlock source tree). NOTE: At the moment this code
+ * was sent to Brian Paul for package inclusion, the XLock Version was not
+ * available. In fact, I'll wait it to appear on the next Mesa release (If you
+ * are reading this, it means THIS release) to send it for xlock package
+ * inclusion). It will probably there be a GLUT version too.
+ *
+ * Thanks goes also to Brian Paul for making it possible and inexpensive
+ * to use OpenGL at home.
+ *
+ * Since I'm not a native english speaker, my apologies for any gramatical
+ * mistake.
+ *
+ * My e-mail addresses are
+ *
+ * vianna@cat.cbpf.br
+ * and
+ * marcelo@venus.rdc.puc-rio.br
+ *
+ * Marcelo F. Vianna (Feb-13-1997)
+ */
+
+/*
+This document is VERY incomplete, but tries to describe the mathematics used
+in the program. At this moment it just describes how the polyhedra are
+generated. On futhurer versions, this document will be probabbly improved.
+
+Since I'm not a native english speaker, my apologies for any gramatical
+mistake.
+
+Marcelo Fernandes Vianna
+- Undergraduate in Computer Engeneering at Catholic Pontifical University
+- of Rio de Janeiro (PUC-Rio) Brasil.
+- e-mail: vianna@cat.cbpf.br or marcelo@venus.rdc.puc-rio.br
+- Feb-13-1997
+
+POLYHEDRA GENERATION
+
+For the purpose of this program it's not sufficient to know the polyhedra
+vertexes coordinates. Since the morphing algorithm applies a nonlinear
+transformation over the surfaces (faces) of the polyhedron, each face has
+to be divided into smaller ones. The morphing algorithm needs to transform
+each vertex of these smaller faces individually. It's a very time consoming
+task.
+
+In order to reduce calculation overload, and since all the macro faces of
+the polyhedron are transformed by the same way, the generation is made by
+creating only one face of the polyhedron, morphing it and then rotating it
+around the polyhedron center.
+
+What we need to know is the face radius of the polyhedron (the radius of
+the inscribed sphere) and the angle between the center of two adjacent
+faces using the center of the sphere as the angle's vertex.
+
+The face radius of the regular polyhedra are known values which I decided
+to not waste my time calculating. Following is a table of face radius for
+the regular polyhedra with edge length = 1:
+
+ TETRAHEDRON : 1/(2*sqrt(2))/sqrt(3)
+ CUBE : 1/2
+ OCTAHEDRON : 1/sqrt(6)
+ DODECAHEDRON : T^2 * sqrt((T+2)/5) / 2 -> where T=(sqrt(5)+1)/2
+ ICOSAHEDRON : (3*sqrt(3)+sqrt(15))/12
+
+I've not found any reference about the mentioned angles, so I needed to
+calculate them, not a trivial task until I figured out how :)
+Curiously these angles are the same for the tetrahedron and octahedron.
+A way to obtain this value is inscribing the tetrahedron inside the cube
+by matching their vertexes. So you'll notice that the remaining unmatched
+vertexes are in the same straight line starting in the cube/tetrahedron
+center and crossing the center of each tetrahedron's face. At this point
+it's easy to obtain the bigger angle of the isosceles triangle formed by
+the center of the cube and two opposite vertexes on the same cube face.
+The edges of this triangle have the following lenghts: sqrt(2) for the base
+and sqrt(3)/2 for the other two other edges. So the angle we want is:
+ +-----------------------------------------------------------+
+ | 2*ARCSIN(sqrt(2)/sqrt(3)) = 109.47122063449069174 degrees |
+ +-----------------------------------------------------------+
+For the cube this angle is obvious, but just for formality it can be
+easily obtained because we also know it's isosceles edge lenghts:
+sqrt(2)/2 for the base and 1/2 for the other two edges. So the angle we
+want is:
+ +-----------------------------------------------------------+
+ | 2*ARCSIN((sqrt(2)/2)/1) = 90.000000000000000000 degrees |
+ +-----------------------------------------------------------+
+For the octahedron we use the same idea used for the tetrahedron, but now
+we inscribe the cube inside the octahedron so that all cubes's vertexes
+matches excatly the center of each octahedron's face. It's now clear that
+this angle is the same of the thetrahedron one:
+ +-----------------------------------------------------------+
+ | 2*ARCSIN(sqrt(2)/sqrt(3)) = 109.47122063449069174 degrees |
+ +-----------------------------------------------------------+
+For the dodecahedron it's a little bit harder because it's only relationship
+with the cube is useless to us. So we need to solve the problem by another
+way. The concept of Face radius also exists on 2D polygons with the name
+Edge radius:
+ Edge Radius For Pentagon (ERp)
+ ERp = (1/2)/TAN(36 degrees) * VRp = 0.6881909602355867905
+ (VRp is the pentagon's vertex radio).
+ Face Radius For Dodecahedron
+ FRd = T^2 * sqrt((T+2)/5) / 2 = 1.1135163644116068404
+Why we need ERp? Well, ERp and FRd segments forms a 90 degrees angle,
+completing this triangle, the lesser angle is a half of the angle we are
+looking for, so this angle is:
+ +-----------------------------------------------------------+
+ | 2*ARCTAN(ERp/FRd) = 63.434948822922009981 degrees |
+ +-----------------------------------------------------------+
+For the icosahedron we can use the same method used for dodecahedron (well
+the method used for dodecahedron may be used for all regular polyhedra)
+ Edge Radius For Triangle (this one is well known: 1/3 of the triangle height)
+ ERt = sin(60)/3 = sqrt(3)/6 = 0.2886751345948128655
+ Face Radius For Icosahedron
+ FRi= (3*sqrt(3)+sqrt(15))/12 = 0.7557613140761707538
+So the angle is:
+ +-----------------------------------------------------------+
+ | 2*ARCTAN(ERt/FRi) = 41.810314895778596167 degrees |
+ +-----------------------------------------------------------+
+
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+#include <GL/glut.h>
+#include <math.h>
+#include <string.h>
+
+#define Scale 0.3
+
+#define VectMul(X1,Y1,Z1,X2,Y2,Z2) (Y1)*(Z2)-(Z1)*(Y2),(Z1)*(X2)-(X1)*(Z2),(X1)*(Y2)-(Y1)*(X2)
+#define sqr(A) ((A)*(A))
+
+/* Increasing this values produces better image quality, the price is speed. */
+/* Very low values produces erroneous/incorrect plotting */
+#define tetradivisions 23
+#define cubedivisions 20
+#define octadivisions 21
+#define dodecadivisions 10
+#define icodivisions 15
+
+#define tetraangle 109.47122063449069174
+#define cubeangle 90.000000000000000000
+#define octaangle 109.47122063449069174
+#define dodecaangle 63.434948822922009981
+#define icoangle 41.810314895778596167
+
+#ifndef Pi
+#define Pi 3.1415926535897932385
+#endif
+#define SQRT2 1.4142135623730951455
+#define SQRT3 1.7320508075688771932
+#define SQRT5 2.2360679774997898051
+#define SQRT6 2.4494897427831778813
+#define SQRT15 3.8729833462074170214
+#define cossec36_2 0.8506508083520399322
+#define cos72 0.3090169943749474241
+#define sin72 0.9510565162951535721
+#define cos36 0.8090169943749474241
+#define sin36 0.5877852522924731292
+
+/*************************************************************************/
+
+static int mono=0;
+static int smooth=1;
+static GLint WindH, WindW;
+static GLfloat step=0;
+static GLfloat seno;
+static int object;
+static int edgedivisions;
+static void (*draw_object)( void );
+static float Magnitude;
+static float *MaterialColor[20];
+
+static float front_shininess[] = {60.0};
+static float front_specular[] = { 0.7, 0.7, 0.7, 1.0 };
+static float ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+static float diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+static float position0[] = { 1.0, 1.0, 1.0, 0.0 };
+static float position1[] = {-1.0,-1.0, 1.0, 0.0 };
+static float lmodel_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
+static float lmodel_twoside[] = {GL_TRUE};
+
+static float MaterialRed[] = { 0.7, 0.0, 0.0, 1.0 };
+static float MaterialGreen[] = { 0.1, 0.5, 0.2, 1.0 };
+static float MaterialBlue[] = { 0.0, 0.0, 0.7, 1.0 };
+static float MaterialCyan[] = { 0.2, 0.5, 0.7, 1.0 };
+static float MaterialYellow[] = { 0.7, 0.7, 0.0, 1.0 };
+static float MaterialMagenta[] = { 0.6, 0.2, 0.5, 1.0 };
+static float MaterialWhite[] = { 0.7, 0.7, 0.7, 1.0 };
+static float MaterialGray[] = { 0.2, 0.2, 0.2, 1.0 };
+
+#define TRIANGLE(Edge, Amp, Divisions, Z) \
+{ \
+ GLfloat Xf,Yf,Xa,Yb,Xf2,Yf2; \
+ GLfloat Factor,Factor1,Factor2; \
+ GLfloat VertX,VertY,VertZ,NeiAX,NeiAY,NeiAZ,NeiBX,NeiBY,NeiBZ; \
+ GLfloat Ax,Ay,Bx; \
+ int Ri,Ti; \
+ GLfloat Vr=(Edge)*SQRT3/3; \
+ GLfloat AmpVr2=(Amp)/sqr(Vr); \
+ GLfloat Zf=(Edge)*(Z); \
+ \
+ Ax=(Edge)*(+0.5/(Divisions)), Ay=(Edge)*(-SQRT3/(2*Divisions)); \
+ Bx=(Edge)*(-0.5/(Divisions)); \
+ \
+ for (Ri=1; Ri<=(Divisions); Ri++) { \
+ glBegin(GL_TRIANGLE_STRIP); \
+ for (Ti=0; Ti<Ri; Ti++) { \
+ Xf=(float)(Ri-Ti)*Ax + (float)Ti*Bx; \
+ Yf=Vr+(float)(Ri-Ti)*Ay + (float)Ti*Ay; \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ \
+ Xf=(float)(Ri-Ti-1)*Ax + (float)Ti*Bx; \
+ Yf=Vr+(float)(Ri-Ti-1)*Ay + (float)Ti*Ay; \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ \
+ } \
+ Xf=(float)Ri*Bx; \
+ Yf=Vr+(float)Ri*Ay; \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ glEnd(); \
+ } \
+}
+
+#define SQUARE(Edge, Amp, Divisions, Z) \
+{ \
+ int Xi,Yi; \
+ GLfloat Xf,Yf,Y,Xf2,Yf2,Y2,Xa,Yb; \
+ GLfloat Factor,Factor1,Factor2; \
+ GLfloat VertX,VertY,VertZ,NeiAX,NeiAY,NeiAZ,NeiBX,NeiBY,NeiBZ; \
+ GLfloat Zf=(Edge)*(Z); \
+ GLfloat AmpVr2=(Amp)/sqr((Edge)*SQRT2/2); \
+ \
+ for (Yi=0; Yi<(Divisions); Yi++) { \
+ Yf=-((Edge)/2.0) + ((float)Yi)/(Divisions)*(Edge); \
+ Yf2=sqr(Yf); \
+ Y=Yf+1.0/(Divisions)*(Edge); \
+ Y2=sqr(Y); \
+ glBegin(GL_QUAD_STRIP); \
+ for (Xi=0; Xi<=(Divisions); Xi++) { \
+ Xf=-((Edge)/2.0) + ((float)Xi)/(Divisions)*(Edge); \
+ Xf2=sqr(Xf); \
+ \
+ Xa=Xf+0.001; Yb=Y+0.001; \
+ Factor=1-((Xf2+Y2)*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Y2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Y; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Y-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-((Xf2+Yf2)*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ } \
+ glEnd(); \
+ } \
+}
+
+#define PENTAGON(Edge, Amp, Divisions, Z) \
+{ \
+ int Ri,Ti,Fi; \
+ GLfloat Xf,Yf,Xa,Yb,Xf2,Yf2; \
+ GLfloat x[6],y[6]; \
+ GLfloat Factor,Factor1,Factor2; \
+ GLfloat VertX,VertY,VertZ,NeiAX,NeiAY,NeiAZ,NeiBX,NeiBY,NeiBZ; \
+ GLfloat Zf=(Edge)*(Z); \
+ GLfloat AmpVr2=(Amp)/sqr((Edge)*cossec36_2); \
+ \
+ for(Fi=0;Fi<6;Fi++) { \
+ x[Fi]=-cos( Fi*2*Pi/5 + Pi/10 )/(Divisions)*cossec36_2*(Edge); \
+ y[Fi]=sin( Fi*2*Pi/5 + Pi/10 )/(Divisions)*cossec36_2*(Edge); \
+ } \
+ \
+ for (Ri=1; Ri<=(Divisions); Ri++) { \
+ for (Fi=0; Fi<5; Fi++) { \
+ glBegin(GL_TRIANGLE_STRIP); \
+ for (Ti=0; Ti<Ri; Ti++) { \
+ Xf=(float)(Ri-Ti)*x[Fi] + (float)Ti*x[Fi+1]; \
+ Yf=(float)(Ri-Ti)*y[Fi] + (float)Ti*y[Fi+1]; \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ \
+ Xf=(float)(Ri-Ti-1)*x[Fi] + (float)Ti*x[Fi+1]; \
+ Yf=(float)(Ri-Ti-1)*y[Fi] + (float)Ti*y[Fi+1]; \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ \
+ } \
+ Xf=(float)Ri*x[Fi+1]; \
+ Yf=(float)Ri*y[Fi+1]; \
+ Xa=Xf+0.001; Yb=Yf+0.001; \
+ Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2); \
+ Factor1=1-((sqr(Xa)+Yf2)*AmpVr2); \
+ Factor2=1-((Xf2+sqr(Yb))*AmpVr2); \
+ VertX=Factor*Xf; VertY=Factor*Yf; VertZ=Factor*Zf; \
+ NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ; \
+ NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ; \
+ glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ)); \
+ glVertex3f(VertX, VertY, VertZ); \
+ glEnd(); \
+ } \
+ } \
+}
+
+static void draw_tetra( void )
+{
+ GLuint list;
+
+ list = glGenLists( 1 );
+ glNewList( list, GL_COMPILE );
+ TRIANGLE(2,seno,edgedivisions,0.5/SQRT6);
+ glEndList();
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-tetraangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+tetraangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+tetraangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+ glCallList(list);
+
+ glDeleteLists(list,1);
+}
+
+static void draw_cube( void )
+{
+ GLuint list;
+
+ list = glGenLists( 1 );
+ glNewList( list, GL_COMPILE );
+ SQUARE(2, seno, edgedivisions, 0.5)
+ glEndList();
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+ glCallList(list);
+ glRotatef(cubeangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+ glCallList(list);
+ glRotatef(cubeangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+ glCallList(list);
+ glRotatef(cubeangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+ glCallList(list);
+ glRotatef(cubeangle,0,1,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+ glCallList(list);
+ glRotatef(2*cubeangle,0,1,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+ glCallList(list);
+
+ glDeleteLists(list,1);
+}
+
+static void draw_octa( void )
+{
+ GLuint list;
+
+ list = glGenLists( 1 );
+ glNewList( list, GL_COMPILE );
+ TRIANGLE(2,seno,edgedivisions,1/SQRT6);
+ glEndList();
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-180+octaangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-octaangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-octaangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-180+octaangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-octaangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[6]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-octaangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[7]);
+ glCallList(list);
+
+ glDeleteLists(list,1);
+}
+
+static void draw_dodeca( void )
+{
+ GLuint list;
+
+ #define TAU ((SQRT5+1)/2)
+
+ list = glGenLists( 1 );
+ glNewList( list, GL_COMPILE );
+ PENTAGON(1,seno,edgedivisions,sqr(TAU) * sqrt((TAU+2)/5) / 2);
+ glEndList();
+
+ glPushMatrix();
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+ glCallList(list);
+ glRotatef(180,0,0,1);
+ glPushMatrix();
+ glRotatef(-dodecaangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(-dodecaangle,cos72,sin72,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(-dodecaangle,cos72,-sin72,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(dodecaangle,cos36,-sin36,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(dodecaangle,cos36,sin36,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[6]);
+ glCallList(list);
+ glRotatef(180,0,0,1);
+ glPushMatrix();
+ glRotatef(-dodecaangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[7]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(-dodecaangle,cos72,sin72,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[8]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(-dodecaangle,cos72,-sin72,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[9]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(dodecaangle,cos36,-sin36,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[10]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(dodecaangle,cos36,sin36,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[11]);
+ glCallList(list);
+
+ glDeleteLists(list,1);
+}
+
+static void draw_ico( void )
+{
+ GLuint list;
+
+ list = glGenLists( 1 );
+ glNewList( list, GL_COMPILE );
+ TRIANGLE(1.5,seno,edgedivisions,(3*SQRT3+SQRT15)/12);
+ glEndList();
+
+ glPushMatrix();
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-icoangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-icoangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[6]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[7]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[8]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-icoangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[9]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[10]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-icoangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[11]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[12]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[13]);
+ glCallList(list);
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[14]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[15]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-icoangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[16]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[17]);
+ glCallList(list);
+ glPushMatrix();
+ glRotatef(180,0,1,0);
+ glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[18]);
+ glCallList(list);
+ glPopMatrix();
+ glRotatef(180,0,0,1);
+ glRotatef(-icoangle,1,0,0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[19]);
+ glCallList(list);
+
+ glDeleteLists(list,1);
+}
+
+static void draw ( void ) {
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glPushMatrix();
+
+ glTranslatef( 0.0, 0.0, -10.0 );
+ glScalef( Scale*WindH/WindW, Scale, Scale );
+ glTranslatef(2.5*WindW/WindH*sin(step*1.11),2.5*cos(step*1.25*1.11),0);
+ glRotatef(step*100,1,0,0);
+ glRotatef(step*95,0,1,0);
+ glRotatef(step*90,0,0,1);
+
+ seno=(sin(step)+1.0/3.0)*(4.0/5.0)*Magnitude;
+
+ draw_object();
+
+ glPopMatrix();
+
+ glFlush();
+
+ glutSwapBuffers();
+
+ step+=0.05;
+}
+
+static void idle_( void )
+{
+ glutPostRedisplay();
+}
+
+static void reshape( int width, int height )
+{
+ glViewport(0, 0, WindW=(GLint)width, WindH=(GLint)height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 );
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void pinit(void);
+
+static void key( unsigned char k, int x, int y )
+{
+ switch (k) {
+ case '1': object=1; break;
+ case '2': object=2; break;
+ case '3': object=3; break;
+ case '4': object=4; break;
+ case '5': object=5; break;
+ case ' ': mono^=1; break;
+ case 13: smooth^=1; break;
+ case 27:
+ exit(0);
+ }
+ pinit();
+}
+
+static void pinit(void)
+{
+ switch(object) {
+ case 1:
+ draw_object=draw_tetra;
+ MaterialColor[0]=MaterialRed;
+ MaterialColor[1]=MaterialGreen;
+ MaterialColor[2]=MaterialBlue;
+ MaterialColor[3]=MaterialWhite;
+ edgedivisions=tetradivisions;
+ Magnitude=2.5;
+ break;
+ case 2:
+ draw_object=draw_cube;
+ MaterialColor[0]=MaterialRed;
+ MaterialColor[1]=MaterialGreen;
+ MaterialColor[2]=MaterialCyan;
+ MaterialColor[3]=MaterialMagenta;
+ MaterialColor[4]=MaterialYellow;
+ MaterialColor[5]=MaterialBlue;
+ edgedivisions=cubedivisions;
+ Magnitude=2.0;
+ break;
+ case 3:
+ draw_object=draw_octa;
+ MaterialColor[0]=MaterialRed;
+ MaterialColor[1]=MaterialGreen;
+ MaterialColor[2]=MaterialBlue;
+ MaterialColor[3]=MaterialWhite;
+ MaterialColor[4]=MaterialCyan;
+ MaterialColor[5]=MaterialMagenta;
+ MaterialColor[6]=MaterialGray;
+ MaterialColor[7]=MaterialYellow;
+ edgedivisions=octadivisions;
+ Magnitude=2.5;
+ break;
+ case 4:
+ draw_object=draw_dodeca;
+ MaterialColor[ 0]=MaterialRed;
+ MaterialColor[ 1]=MaterialGreen;
+ MaterialColor[ 2]=MaterialCyan;
+ MaterialColor[ 3]=MaterialBlue;
+ MaterialColor[ 4]=MaterialMagenta;
+ MaterialColor[ 5]=MaterialYellow;
+ MaterialColor[ 6]=MaterialGreen;
+ MaterialColor[ 7]=MaterialCyan;
+ MaterialColor[ 8]=MaterialRed;
+ MaterialColor[ 9]=MaterialMagenta;
+ MaterialColor[10]=MaterialBlue;
+ MaterialColor[11]=MaterialYellow;
+ edgedivisions=dodecadivisions;
+ Magnitude=2.0;
+ break;
+ case 5:
+ draw_object=draw_ico;
+ MaterialColor[ 0]=MaterialRed;
+ MaterialColor[ 1]=MaterialGreen;
+ MaterialColor[ 2]=MaterialBlue;
+ MaterialColor[ 3]=MaterialCyan;
+ MaterialColor[ 4]=MaterialYellow;
+ MaterialColor[ 5]=MaterialMagenta;
+ MaterialColor[ 6]=MaterialRed;
+ MaterialColor[ 7]=MaterialGreen;
+ MaterialColor[ 8]=MaterialBlue;
+ MaterialColor[ 9]=MaterialWhite;
+ MaterialColor[10]=MaterialCyan;
+ MaterialColor[11]=MaterialYellow;
+ MaterialColor[12]=MaterialMagenta;
+ MaterialColor[13]=MaterialRed;
+ MaterialColor[14]=MaterialGreen;
+ MaterialColor[15]=MaterialBlue;
+ MaterialColor[16]=MaterialCyan;
+ MaterialColor[17]=MaterialYellow;
+ MaterialColor[18]=MaterialMagenta;
+ MaterialColor[19]=MaterialGray;
+ edgedivisions=icodivisions;
+ Magnitude=2.5;
+ break;
+ }
+ if (mono) {
+ int loop;
+ for (loop=0; loop<20; loop++) MaterialColor[loop]=MaterialGray;
+ }
+ if (smooth) {
+ glShadeModel( GL_SMOOTH );
+ } else {
+ glShadeModel( GL_FLAT );
+ }
+
+}
+
+void INIT(void)
+{
+ printf("Morph 3D - Shows morphing platonic polyhedra\n");
+ printf("Author: Marcelo Fernandes Vianna (vianna@cat.cbpf.br)\n\n");
+ printf(" [1] - Tetrahedron\n");
+ printf(" [2] - Hexahedron (Cube)\n");
+ printf(" [3] - Octahedron\n");
+ printf(" [4] - Dodecahedron\n");
+ printf(" [5] - Icosahedron\n");
+ printf("[SPACE] - Toggle colored faces\n");
+ printf("[RETURN] - Toggle smooth/flat shading\n");
+ printf(" [ESC] - Quit\n");
+
+ object=1;
+
+ glutInitWindowPosition(0,0);
+ glutInitWindowSize(640,480);
+
+ glutInitDisplayMode( GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB );
+
+ if (glutCreateWindow("Morph 3D - Shows morphing platonic polyhedra") <= 0) {
+ exit(0);
+ }
+
+ glClearDepth(1.0);
+ glClearColor( 0.0, 0.0, 0.0, 1.0 );
+ glColor3f( 1.0, 1.0, 1.0 );
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+ glFlush();
+ glutSwapBuffers();
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position0);
+ glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT1, GL_POSITION, position1);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHT1);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_NORMALIZE);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
+
+ glHint(GL_FOG_HINT, GL_FASTEST);
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+ glHint(GL_POLYGON_SMOOTH_HINT, GL_FASTEST);
+
+ pinit();
+
+ glutReshapeFunc( reshape );
+ glutKeyboardFunc( key );
+ glutIdleFunc( idle_ );
+ glutDisplayFunc( draw );
+ glutMainLoop();
+
+}
+
+int main(int argc, char **argv)
+{
+ INIT();
+ return(0);
+}
diff --git a/progs/demos/multiarb.c b/progs/demos/multiarb.c
new file mode 100644
index 0000000000..68419cd7ea
--- /dev/null
+++ b/progs/demos/multiarb.c
@@ -0,0 +1,307 @@
+/* $Id: multiarb.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * GL_ARB_multitexture demo
+ * Brian Paul November 1998 This program is in the public domain.
+ */
+
+/*
+ * $Log: multiarb.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 1.3 1999/03/28 18:20:49 brianp
+ * minor clean-up
+ *
+ * Revision 1.2 1998/11/05 04:34:04 brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 1.1 1998/11/03 01:36:33 brianp
+ * Initial revision
+ *
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "../util/readtex.c" /* I know, this is a hack. */
+
+#define TEXTURE_1_FILE "../images/girl.rgb"
+#define TEXTURE_2_FILE "../images/reflect.rgb"
+
+#define TEX0 1
+#define TEX1 2
+#define TEXBOTH 3
+#define ANIMATE 10
+#define QUIT 100
+
+static GLboolean Animate = GL_TRUE;
+
+static GLfloat Drift = 0.0;
+static GLfloat Xrot = 20.0, Yrot = 30.0, Zrot = 0.0;
+
+
+
+static void Idle( void )
+{
+ if (Animate) {
+ Drift += 0.05;
+
+#ifdef GL_ARB_multitexture
+ glActiveTextureARB(GL_TEXTURE0_ARB);
+#endif
+ glMatrixMode(GL_TEXTURE);
+ glLoadIdentity();
+ glTranslatef(Drift, 0.0, 0.0);
+ glMatrixMode(GL_MODELVIEW);
+
+#ifdef GL_ARB_multitexture
+ glActiveTextureARB(GL_TEXTURE1_ARB);
+#endif
+ glMatrixMode(GL_TEXTURE);
+ glLoadIdentity();
+ glTranslatef(0.0, Drift, 0.0);
+ glMatrixMode(GL_MODELVIEW);
+
+ glutPostRedisplay();
+ }
+}
+
+
+static void DrawObject(void)
+{
+ glBegin(GL_QUADS);
+
+#ifdef GL_ARB_multitexture
+ glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 0.0);
+ glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 0.0);
+ glVertex2f(-1.0, -1.0);
+
+ glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 0.0);
+ glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 0.0);
+ glVertex2f(1.0, -1.0);
+
+ glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 2.0);
+ glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 1.0);
+ glVertex2f(1.0, 1.0);
+
+ glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 2.0);
+ glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 1.0);
+ glVertex2f(-1.0, 1.0);
+#else
+ glTexCoord2f(0.0, 0.0);
+ glVertex2f(-1.0, -1.0);
+
+ glTexCoord2f(1.0, 0.0);
+ glVertex2f(1.0, -1.0);
+
+ glTexCoord2f(1.0, 1.0);
+ glVertex2f(1.0, 1.0);
+
+ glTexCoord2f(0.0, 1.0);
+ glVertex2f(-1.0, 1.0);
+#endif
+
+ glEnd();
+}
+
+
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(Xrot, 1.0, 0.0, 0.0);
+ glRotatef(Yrot, 0.0, 1.0, 0.0);
+ glRotatef(Zrot, 0.0, 0.0, 1.0);
+ glScalef(5.0, 5.0, 5.0);
+ DrawObject();
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+ /*glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 );*/
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void ModeMenu(int entry)
+{
+ GLboolean enable0 = GL_FALSE, enable1 = GL_FALSE;
+ if (entry==TEX0) {
+ enable0 = GL_TRUE;
+ }
+ else if (entry==TEX1) {
+ enable1 = GL_TRUE;
+ }
+ else if (entry==TEXBOTH) {
+ enable0 = GL_TRUE;
+ enable1 = GL_TRUE;
+ }
+ else if (entry==ANIMATE) {
+ Animate = !Animate;
+ }
+ else if (entry==QUIT) {
+ exit(0);
+ }
+
+ if (entry != ANIMATE) {
+#ifdef GL_ARB_multitexture
+ glActiveTextureARB(GL_TEXTURE0_ARB);
+#endif
+ if (enable0) {
+ glEnable(GL_TEXTURE_2D);
+ }
+ else
+ glDisable(GL_TEXTURE_2D);
+
+#ifdef GL_ARB_multitexture
+ glActiveTextureARB(GL_TEXTURE1_ARB);
+#endif
+ if (enable1) {
+ glEnable(GL_TEXTURE_2D);
+ }
+ else
+ glDisable(GL_TEXTURE_2D);
+ }
+
+ glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ float step = 3.0;
+ (void) x;
+ (void) y;
+
+ switch (key) {
+ case GLUT_KEY_UP:
+ Xrot += step;
+ break;
+ case GLUT_KEY_DOWN:
+ Xrot -= step;
+ break;
+ case GLUT_KEY_LEFT:
+ Yrot += step;
+ break;
+ case GLUT_KEY_RIGHT:
+ Yrot -= step;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ const char *exten = (const char *) glGetString(GL_EXTENSIONS);
+ if (!strstr(exten, "GL_ARB_multitexture")) {
+ printf("Sorry, GL_ARB_multitexture not supported by this renderer.\n");
+ exit(1);
+ }
+
+ /* setup texture env 0 */
+#ifdef GL_ARB_multitexture
+ glActiveTextureARB(GL_TEXTURE0_ARB);
+#endif
+#ifdef LINEAR_FILTER
+ /* linear filtering looks much nicer but is much slower for Mesa */
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#else
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) {
+ printf("Error: couldn't load texture image\n");
+ exit(1);
+ }
+
+
+ /* setup texture env 1 */
+#ifdef GL_ARB_multitexture
+ glActiveTextureARB(GL_TEXTURE1_ARB);
+#endif
+#ifdef LINEAR_FILTER
+ /* linear filtering looks much nicer but is much slower for Mesa */
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#else
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+ if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) {
+ printf("Error: couldn't load texture image\n");
+ exit(1);
+ }
+
+ glShadeModel(GL_FLAT);
+ glClearColor(0.3, 0.3, 0.4, 1.0);
+
+ ModeMenu(TEXBOTH);
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowSize( 300, 300 );
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+ glutCreateWindow(argv[0] );
+
+ Init();
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ glutIdleFunc( Idle );
+
+ glutCreateMenu(ModeMenu);
+ glutAddMenuEntry("Texture 0", TEX0);
+ glutAddMenuEntry("Texture 1", TEX1);
+ glutAddMenuEntry("Multi-texture", TEXBOTH);
+ glutAddMenuEntry("Toggle Animation", ANIMATE);
+ glutAddMenuEntry("Quit", QUIT);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/osdemo.c b/progs/demos/osdemo.c
new file mode 100644
index 0000000000..f69cd22fad
--- /dev/null
+++ b/progs/demos/osdemo.c
@@ -0,0 +1,169 @@
+/* $Id: osdemo.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Demo of off-screen Mesa rendering
+ *
+ * See Mesa/include/GL/osmesa.h for documentation of the OSMesa functions.
+ *
+ * If you want to render BIG images you'll probably have to increase
+ * MAX_WIDTH and MAX_HEIGHT in src/config.h.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul
+ *
+ * PPM output provided by Joerg Schmalzl.
+ * ASCII PPM output added by Brian Paul.
+ */
+
+
+/*
+ * $Log: osdemo.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "GL/osmesa.h"
+#include "GL/glut.h"
+
+
+
+#define WIDTH 400
+#define HEIGHT 400
+
+
+
+static void render_image( void )
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+ GLfloat red_mat[] = { 1.0, 0.2, 0.2, 1.0 };
+ GLfloat green_mat[] = { 0.2, 1.0, 0.2, 1.0 };
+ GLfloat blue_mat[] = { 0.2, 0.2, 1.0, 1.0 };
+
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-2.5, 2.5, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(20.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix();
+ glTranslatef(-0.75, 0.5, 0.0);
+ glRotatef(90.0, 1.0, 0.0, 0.0);
+ glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red_mat );
+ glutSolidTorus(0.275, 0.85, 20, 20);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-0.75, -0.5, 0.0);
+ glRotatef(270.0, 1.0, 0.0, 0.0);
+ glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green_mat );
+ glutSolidCone(1.0, 2.0, 16, 1);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(0.75, 0.0, -1.0);
+ glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
+ glutSolidSphere(1.0, 20, 20);
+ glPopMatrix();
+
+ glPopMatrix();
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ OSMesaContext ctx;
+ void *buffer;
+
+ /* Create an RGBA-mode context */
+ ctx = OSMesaCreateContext( GL_RGBA, NULL );
+
+ /* Allocate the image buffer */
+ buffer = malloc( WIDTH * HEIGHT * 4 );
+
+ /* Bind the buffer to the context and make it current */
+ OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_BYTE, WIDTH, HEIGHT );
+
+ render_image();
+
+ if (argc>1) {
+ /* write PPM file */
+ FILE *f = fopen( argv[1], "w" );
+ if (f) {
+ int i, x, y;
+ GLubyte *ptr = (GLubyte *) buffer;
+#define BINARY 0
+#if BINARY
+ fprintf(f,"P6\n");
+ fprintf(f,"# ppm-file created by %s\n", argv[0]);
+ fprintf(f,"%i %i\n", WIDTH,HEIGHT);
+ fprintf(f,"255\n");
+ fclose(f);
+ f = fopen( argv[1], "ab" ); /* reopen in binary append mode */
+ for (y=HEIGHT-1; y>=0; y--) {
+ for (x=0; x<WIDTH; x++) {
+ i = (y*WIDTH + x) * 4;
+ fputc(ptr[i], f); /* write red */
+ fputc(ptr[i+1], f); /* write green */
+ fputc(ptr[i+2], f); /* write blue */
+ }
+ }
+#else /*ASCII*/
+ int counter = 0;
+ fprintf(f,"P3\n");
+ fprintf(f,"# ascii ppm file created by %s\n", argv[0]);
+ fprintf(f,"%i %i\n", WIDTH, HEIGHT);
+ fprintf(f,"255\n");
+ for (y=HEIGHT-1; y>=0; y--) {
+ for (x=0; x<WIDTH; x++) {
+ i = (y*WIDTH + x) * 4;
+ fprintf(f, " %3d %3d %3d", ptr[i], ptr[i+1], ptr[i+2]);
+ counter++;
+ if (counter % 5 == 0)
+ fprintf(f, "\n");
+ }
+ }
+#endif
+ fclose(f);
+ }
+ }
+ else {
+ printf("Specify a filename if you want to make a ppm file\n");
+ }
+
+ printf("all done\n");
+
+ /* free the image buffer */
+ free( buffer );
+
+ /* destroy the context */
+ OSMesaDestroyContext( ctx );
+
+ return 0;
+}
diff --git a/progs/demos/paltex.c b/progs/demos/paltex.c
new file mode 100644
index 0000000000..e33a8ee075
--- /dev/null
+++ b/progs/demos/paltex.c
@@ -0,0 +1,186 @@
+/* $Id: paltex.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Paletted texture demo. Written by Brian Paul. This file in public domain.
+ */
+
+/*
+ * $Log: paltex.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.1 1999/03/28 18:20:49 brianp
+ * minor clean-up
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static float Rot = 0.0;
+
+
+static void Idle( void )
+{
+ Rot += 5.0;
+ glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(Rot, 0, 0, 1);
+
+ glBegin(GL_POLYGON);
+ glTexCoord2f(0, 1); glVertex2f(-1, -1);
+ glTexCoord2f(1, 1); glVertex2f( 1, -1);
+ glTexCoord2f(1, 0); glVertex2f( 1, 1);
+ glTexCoord2f(0, 0); glVertex2f(-1, 1);
+ glEnd();
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ break;
+ case GLUT_KEY_DOWN:
+ break;
+ case GLUT_KEY_LEFT:
+ break;
+ case GLUT_KEY_RIGHT:
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ GLubyte texture[8][8] = { /* PT = Paletted Texture! */
+ { 0, 0, 0, 0, 0, 0, 0, 0},
+ { 0, 100, 100, 100, 0, 180, 180, 180},
+ { 0, 100, 0, 100, 0, 0, 180, 0},
+ { 0, 100, 0, 100, 0, 0, 180, 0},
+ { 0, 100, 100, 100, 0, 0, 180, 0},
+ { 0, 100, 0, 0, 0, 0, 180, 0},
+ { 0, 100, 0, 0, 0, 0, 180, 0},
+ { 0, 100, 255, 0, 0, 0, 180, 250},
+ };
+
+ GLubyte table[256][4];
+ int i;
+
+ if (!glutExtensionSupported("GL_EXT_paletted_texture")) {
+ printf("Sorry, GL_EXT_paletted_texture not supported\n");
+ exit(0);
+ }
+
+ /* put some wacky colors into the texture palette */
+ for (i=0;i<256;i++) {
+ table[i][0] = i;
+ table[i][1] = 0;
+ table[i][2] = 127 + i / 2;
+ table[i][3] = 255;
+ }
+
+#ifdef GL_EXT_paletted_texture
+
+#if defined(GL_EXT_shared_texture_palette) && defined(SHARED_PALETTE)
+ printf("Using shared palette\n");
+ glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, /* target */
+ GL_RGBA, /* internal format */
+ 256, /* table size */
+ GL_RGBA, /* table format */
+ GL_UNSIGNED_BYTE, /* table type */
+ table); /* the color table */
+ glEnable(GL_SHARED_TEXTURE_PALETTE_EXT);
+#else
+ glColorTableEXT(GL_TEXTURE_2D, /* target */
+ GL_RGBA, /* internal format */
+ 256, /* table size */
+ GL_RGBA, /* table format */
+ GL_UNSIGNED_BYTE, /* table type */
+ table); /* the color table */
+#endif
+
+ glTexImage2D(GL_TEXTURE_2D, /* target */
+ 0, /* level */
+ GL_COLOR_INDEX8_EXT, /* internal format */
+ 8, 8, /* width, height */
+ 0, /* border */
+ GL_COLOR_INDEX, /* texture format */
+ GL_UNSIGNED_BYTE, /* texture type */
+ texture); /* teh texture */
+#endif
+
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glEnable(GL_TEXTURE_2D);
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 400, 400 );
+
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+ glutCreateWindow(argv[0]);
+
+ Init();
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ glutIdleFunc( Idle );
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/pointblast.c b/progs/demos/pointblast.c
new file mode 100644
index 0000000000..a36046f585
--- /dev/null
+++ b/progs/demos/pointblast.c
@@ -0,0 +1,506 @@
+
+/* Copyright (c) Mark J. Kilgard, 1997. */
+
+/* This program is freely distributable without licensing fees
+ and is provided without guarantee or warrantee expressed or
+ implied. This program is -not- in the public domain. */
+
+/* This example demonstrates how to render particle effects
+ with OpenGL. A cloud of pinkish/orange particles explodes with the
+ particles bouncing off the ground. When the EXT_point_parameters
+ is present , the particle size is attenuated based on eye distance. */
+
+
+/*
+ * $Log: pointblast.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.3 1998/07/26 01:24:27 brianp
+ * removed include of gl.h
+ *
+ * Revision 3.2 1998/02/14 18:51:46 brianp
+ * fixed a small compiler warning
+ *
+ * Revision 3.1 1998/02/14 18:45:25 brianp
+ * optimized to use flat shading, don't blend ground polygon
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h> /* for cos(), sin(), and sqrt() */
+#include <GL/glut.h>
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+#if 0 /* For debugging. */
+#undef GL_EXT_point_parameters
+#endif
+
+static GLfloat angle = -150; /* in degrees */
+static int spin = 0;
+static int moving, begin;
+static int newModel = 1;
+static float theTime;
+static int repeat = 1;
+static int blend = 1;
+int useMipmaps = 1;
+int linearFiltering = 1;
+
+static GLfloat constant[3] = { 1/5.0, 0.0, 0.0 };
+static GLfloat linear[3] = { 0.0, 1/5.0, 0.0 };
+static GLfloat theQuad[3] = { 0.25, 0.0, 1/60.0 };
+
+#define MAX_POINTS 2000
+
+static int numPoints = 200;
+
+static GLfloat pointList[MAX_POINTS][3];
+static GLfloat pointTime[MAX_POINTS];
+static GLfloat pointVelocity[MAX_POINTS][2];
+static GLfloat pointDirection[MAX_POINTS][2];
+static int colorList[MAX_POINTS];
+static int animate = 1, motion = 0;
+
+static GLfloat colorSet[][4] = {
+ /* Shades of red. */
+ { 0.7, 0.2, 0.4, 0.5 },
+ { 0.8, 0.0, 0.7, 0.5 },
+ { 1.0, 0.0, 0.0, 0.5 },
+ { 0.9, 0.3, 0.6, 0.5 },
+ { 1.0, 0.4, 0.0, 0.5 },
+ { 1.0, 0.0, 0.5, 0.5 },
+};
+
+#define NUM_COLORS (sizeof(colorSet)/sizeof(colorSet[0]))
+
+#define DEAD (NUM_COLORS+1)
+
+
+#if 0 /* drand48 might be better on Unix machines */
+#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * drand48())
+#else
+static float float_rand(void) { return rand() / (float) RAND_MAX; }
+#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * float_rand())
+#endif
+
+#define MEAN_VELOCITY 3.0
+#define GRAVITY 2.0
+#define TIME_DELTA 0.025 /* The speed of time. */
+
+/* Modeling units of ground extent in each X and Z direction. */
+#define EDGE 12
+
+void
+makePointList(void)
+{
+ float angle, velocity, direction;
+ int i;
+
+ motion = 1;
+ for (i=0; i<numPoints; i++) {
+ pointList[i][0] = 0.0;
+ pointList[i][1] = 0.0;
+ pointList[i][2] = 0.0;
+ pointTime[i] = 0.0;
+ angle = (RANDOM_RANGE(60.0, 70.0)) * M_PI/180.0;
+ direction = RANDOM_RANGE(0.0, 360.0) * M_PI/180.0;
+ pointDirection[i][0] = cos(direction);
+ pointDirection[i][1] = sin(direction);
+ velocity = MEAN_VELOCITY + RANDOM_RANGE(-0.8, 1.0);
+ pointVelocity[i][0] = velocity * cos(angle);
+ pointVelocity[i][1] = velocity * sin(angle);
+ colorList[i] = rand() % NUM_COLORS;
+ }
+ theTime = 0.0;
+}
+
+void
+updatePointList(void)
+{
+ float distance;
+ int i;
+
+ motion = 0;
+ for (i=0; i<numPoints; i++) {
+ distance = pointVelocity[i][0] * theTime;
+
+ /* X and Z */
+ pointList[i][0] = pointDirection[i][0] * distance;
+ pointList[i][2] = pointDirection[i][1] * distance;
+
+ /* Z */
+ pointList[i][1] =
+ (pointVelocity[i][1] - 0.5 * GRAVITY * pointTime[i])*pointTime[i];
+
+ /* If we hit the ground, bounce the point upward again. */
+ if (pointList[i][1] <= 0.0) {
+ if (distance > EDGE) {
+ /* Particle has hit ground past the distance duration of
+ the particles. Mark particle as dead. */
+ colorList[i] = NUM_COLORS; /* Not moving. */
+ continue;
+ }
+
+ pointVelocity[i][1] *= 0.8; /* 80% of previous up velocity. */
+ pointTime[i] = 0.0; /* Reset the particles sense of up time. */
+ }
+ motion = 1;
+ pointTime[i] += TIME_DELTA;
+ }
+ theTime += TIME_DELTA;
+ if (!motion && !spin) {
+ if (repeat) {
+ makePointList();
+ } else {
+ glutIdleFunc(NULL);
+ }
+ }
+}
+
+void
+idle(void)
+{
+ updatePointList();
+ if (spin) {
+ angle += 0.3;
+ newModel = 1;
+ }
+ glutPostRedisplay();
+}
+
+void
+visible(int vis)
+{
+ if (vis == GLUT_VISIBLE) {
+ if (animate && (motion || spin)) {
+ glutIdleFunc(idle);
+ }
+ } else {
+ glutIdleFunc(NULL);
+ }
+}
+
+void
+recalcModelView(void)
+{
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef(angle, 0.0, 1.0, 0.0);
+ newModel = 0;
+}
+
+void
+redraw(void)
+{
+ int i;
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ if (newModel)
+ recalcModelView();
+
+ glDepthMask(GL_FALSE);
+
+ /* Draw the floor. */
+/* glEnable(GL_TEXTURE_2D);*/
+ glColor3f(0.5, 1.0, 0.5);
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0);
+ glVertex3f(-EDGE, -0.05, -EDGE);
+ glTexCoord2f(20.0, 0.0);
+ glVertex3f(EDGE, -0.05, -EDGE);
+ glTexCoord2f(20.0, 20.0);
+ glVertex3f(EDGE, -0.05, EDGE);
+ glTexCoord2f(0.0, 20.0);
+ glVertex3f(-EDGE, -0.05, EDGE);
+ glEnd();
+
+ /* Allow particles to blend with each other. */
+ glDepthMask(GL_TRUE);
+
+ if (blend)
+ glEnable(GL_BLEND);
+
+ glDisable(GL_TEXTURE_2D);
+ glBegin(GL_POINTS);
+ for (i=0; i<numPoints; i++) {
+ /* Draw alive particles. */
+ if (colorList[i] != DEAD) {
+ glColor4fv(colorSet[colorList[i]]);
+ glVertex3fv(pointList[i]);
+ }
+ }
+ glEnd();
+
+ glDisable(GL_BLEND);
+
+ glutSwapBuffers();
+}
+
+/* ARGSUSED2 */
+void
+mouse(int button, int state, int x, int y)
+{
+ /* Scene can be spun around Y axis using left
+ mouse button movement. */
+ if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
+ moving = 1;
+ begin = x;
+ }
+ if (button == GLUT_LEFT_BUTTON && state == GLUT_UP) {
+ moving = 0;
+ }
+}
+
+/* ARGSUSED1 */
+void
+mouseMotion(int x, int y)
+{
+ if (moving) {
+ angle = angle + (x - begin);
+ begin = x;
+ newModel = 1;
+ glutPostRedisplay();
+ }
+}
+
+void
+menu(int option)
+{
+ switch (option) {
+ case 0:
+ makePointList();
+ break;
+#if GL_EXT_point_parameters
+ case 1:
+ glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, constant);
+ break;
+ case 2:
+ glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, linear);
+ break;
+ case 3:
+ glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, theQuad);
+ break;
+#endif
+ case 4:
+ blend = 1;
+ break;
+ case 5:
+ blend = 0;
+ break;
+#if GL_EXT_point_parameters
+ case 6:
+ glPointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT, 1.0);
+ break;
+ case 7:
+ glPointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT, 10.0);
+ break;
+#endif
+ case 8:
+ glEnable(GL_POINT_SMOOTH);
+ break;
+ case 9:
+ glDisable(GL_POINT_SMOOTH);
+ break;
+ case 10:
+ glPointSize(2.0);
+ break;
+ case 11:
+ glPointSize(4.0);
+ break;
+ case 12:
+ glPointSize(8.0);
+ break;
+ case 13:
+ spin = 1 - spin;
+ if (animate && (spin || motion)) {
+ glutIdleFunc(idle);
+ } else {
+ glutIdleFunc(NULL);
+ }
+ break;
+ case 14:
+ numPoints = 200;
+ break;
+ case 15:
+ numPoints = 500;
+ break;
+ case 16:
+ numPoints = 1000;
+ break;
+ case 17:
+ numPoints = 2000;
+ break;
+ case 666:
+ exit(0);
+ }
+ glutPostRedisplay();
+}
+
+/* ARGSUSED1 */
+void
+key(unsigned char c, int x, int y)
+{
+ switch (c) {
+ case 13:
+ animate = 1 - animate; /* toggle. */
+ if (animate && (motion || spin)) {
+ glutIdleFunc(idle);
+ } else {
+ glutIdleFunc(NULL);
+ }
+ break;
+ case ' ':
+ animate = 1;
+ makePointList();
+ glutIdleFunc(idle);
+ break;
+ case 27:
+ exit(0);
+ }
+}
+
+/* Nice floor texture tiling pattern. */
+static char *circles[] = {
+ "....xxxx........",
+ "..xxxxxxxx......",
+ ".xxxxxxxxxx.....",
+ ".xxx....xxx.....",
+ "xxx......xxx....",
+ "xxx......xxx....",
+ "xxx......xxx....",
+ "xxx......xxx....",
+ ".xxx....xxx.....",
+ ".xxxxxxxxxx.....",
+ "..xxxxxxxx......",
+ "....xxxx........",
+ "................",
+ "................",
+ "................",
+ "................",
+};
+
+static void
+makeFloorTexture(void)
+{
+ GLubyte floorTexture[16][16][3];
+ GLubyte *loc;
+ int s, t;
+
+ /* Setup RGB image for the texture. */
+ loc = (GLubyte*) floorTexture;
+ for (t = 0; t < 16; t++) {
+ for (s = 0; s < 16; s++) {
+ if (circles[t][s] == 'x') {
+ /* Nice blue. */
+ loc[0] = 0x1f;
+ loc[1] = 0x1f;
+ loc[2] = 0x8f;
+ } else {
+ /* Light gray. */
+ loc[0] = 0xca;
+ loc[1] = 0xca;
+ loc[2] = 0xca;
+ }
+ loc += 3;
+ }
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ if (useMipmaps) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_LINEAR_MIPMAP_LINEAR);
+ gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 16, 16,
+ GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
+ } else {
+ if (linearFiltering) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ } else {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ }
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, 16, 16, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ int i;
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
+
+ for (i=1; i<argc; i++) {
+ if(!strcmp("-noms", argv[i])) {
+ glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+ printf("forcing no multisampling\n");
+ } else if(!strcmp("-nomipmaps", argv[i])) {
+ useMipmaps = 0;
+ } else if(!strcmp("-nearest", argv[i])) {
+ linearFiltering = 0;
+ }
+ }
+
+ glutCreateWindow("point burst");
+ glutDisplayFunc(redraw);
+ glutMouseFunc(mouse);
+ glutMotionFunc(mouseMotion);
+ glutVisibilityFunc(visible);
+ glutKeyboardFunc(key);
+ glutCreateMenu(menu);
+ glutAddMenuEntry("Reset time", 0);
+ glutAddMenuEntry("Constant", 1);
+ glutAddMenuEntry("Linear", 2);
+ glutAddMenuEntry("Quadratic", 3);
+ glutAddMenuEntry("Blend on", 4);
+ glutAddMenuEntry("Blend off", 5);
+ glutAddMenuEntry("Threshold 1", 6);
+ glutAddMenuEntry("Threshold 10", 7);
+ glutAddMenuEntry("Point smooth on", 8);
+ glutAddMenuEntry("Point smooth off", 9);
+ glutAddMenuEntry("Point size 2", 10);
+ glutAddMenuEntry("Point size 4", 11);
+ glutAddMenuEntry("Point size 8", 12);
+ glutAddMenuEntry("Toggle spin", 13);
+ glutAddMenuEntry("200 points ", 14);
+ glutAddMenuEntry("500 points ", 15);
+ glutAddMenuEntry("1000 points ", 16);
+ glutAddMenuEntry("2000 points ", 17);
+ glutAddMenuEntry("Quit", 666);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+ glShadeModel(GL_FLAT);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_POINT_SMOOTH);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glPointSize(8.0);
+#if GL_EXT_point_parameters
+ glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, theQuad);
+#endif
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective( /* field of view in degree */ 40.0,
+ /* aspect ratio */ 1.0,
+ /* Z near */ 0.5, /* Z far */ 40.0);
+ glMatrixMode(GL_MODELVIEW);
+ gluLookAt(0.0, 1.0, 8.0, /* eye location */
+ 0.0, 1.0, 0.0, /* center is at (0,0,0) */
+ 0.0, 1.0, 0.); /* up is in postivie Y direction */
+ glPushMatrix(); /* dummy push so we can pop on model
+ recalc */
+
+ makePointList();
+ makeFloorTexture();
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/demos/reflect.c b/progs/demos/reflect.c
new file mode 100644
index 0000000000..d941a73c60
--- /dev/null
+++ b/progs/demos/reflect.c
@@ -0,0 +1,435 @@
+/* $Id: reflect.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Demo of a reflective, texture-mapped surface with OpenGL.
+ * Brian Paul August 14, 1995 This file is in the public domain.
+ *
+ * Hardware texture mapping is highly recommended!
+ *
+ * The basic steps are:
+ * 1. Render the reflective object (a polygon) from the normal viewpoint,
+ * setting the stencil planes = 1.
+ * 2. Render the scene from a special viewpoint: the viewpoint which
+ * is on the opposite side of the reflective plane. Only draw where
+ * stencil = 1. This draws the objects in the reflective surface.
+ * 3. Render the scene from the original viewpoint. This draws the
+ * objects in the normal fashion. Use blending when drawing
+ * the reflective, textured surface.
+ *
+ * This is a very crude demo. It could be much better.
+ */
+
+/*
+ * Dirk Reiners (reiners@igd.fhg.de) made some modifications to this code.
+ *
+ * August 1996 - A few optimizations by Brian
+ */
+
+/*
+ * April, 1997 - Added Mark Kilgard's changes.
+ */
+
+/*
+ * $Log: reflect.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.4 1999/03/28 18:22:05 brianp
+ * minor clean-up
+ *
+ * Revision 3.3 1998/11/22 02:54:29 brianp
+ * only draw one stack for gluCylinders
+ *
+ * Revision 3.2 1998/11/19 02:53:48 brianp
+ * changed texture image and background color
+ *
+ * Revision 3.1 1998/11/05 04:34:04 brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#define USE_ZBUFFER
+
+
+/* OK, without hardware support this is overkill. */
+#define USE_TEXTURE
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "GL/glut.h"
+
+#include "../util/readtex.c" /* a hack, I know */
+
+
+#define DEG2RAD (3.14159/180.0)
+
+
+#define TABLE_TEXTURE "../images/tile.rgb"
+
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+#define MAX_OBJECTS 2
+
+static GLint table_list;
+static GLint objects_list[MAX_OBJECTS];
+
+
+static GLfloat xrot, yrot;
+static GLfloat spin;
+
+
+
+static void make_table( void )
+{
+ static GLfloat table_mat[] = { 1.0, 1.0, 1.0, 0.6 };
+ static GLfloat gray[] = { 0.4, 0.4, 0.4, 1.0 };
+
+ table_list = glGenLists(1);
+ glNewList( table_list, GL_COMPILE );
+
+ /* load table's texture */
+ glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, table_mat );
+/* glMaterialfv( GL_FRONT, GL_EMISSION, gray );*/
+ glMaterialfv( GL_FRONT, GL_DIFFUSE, table_mat );
+ glMaterialfv( GL_FRONT, GL_AMBIENT, gray );
+
+ /* draw textured square for the table */
+ glPushMatrix();
+ glScalef( 4.0, 4.0, 4.0 );
+ glBegin( GL_POLYGON );
+ glNormal3f( 0.0, 1.0, 0.0 );
+ glTexCoord2f( 0.0, 0.0 ); glVertex3f( -1.0, 0.0, 1.0 );
+ glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 1.0 );
+ glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 0.0, -1.0 );
+ glTexCoord2f( 0.0, 1.0 ); glVertex3f( -1.0, 0.0, -1.0 );
+ glEnd();
+ glPopMatrix();
+
+ glDisable( GL_TEXTURE_2D );
+
+ glEndList();
+}
+
+
+static void make_objects( void )
+{
+ GLUquadricObj *q;
+
+ static GLfloat cyan[] = { 0.0, 1.0, 1.0, 1.0 };
+ static GLfloat green[] = { 0.2, 1.0, 0.2, 1.0 };
+ static GLfloat black[] = { 0.0, 0.0, 0.0, 0.0 };
+
+ q = gluNewQuadric();
+ gluQuadricDrawStyle( q, GLU_FILL );
+ gluQuadricNormals( q, GLU_SMOOTH );
+
+ objects_list[0] = glGenLists(1);
+ glNewList( objects_list[0], GL_COMPILE );
+ glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, cyan );
+ glMaterialfv( GL_FRONT, GL_EMISSION, black );
+ gluCylinder( q, 0.5, 0.5, 1.0, 15, 1 );
+ glEndList();
+
+ objects_list[1] = glGenLists(1);
+ glNewList( objects_list[1], GL_COMPILE );
+ glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
+ glMaterialfv( GL_FRONT, GL_EMISSION, black );
+ gluCylinder( q, 1.5, 0.0, 2.5, 15, 1 );
+ glEndList();
+}
+
+
+static GLfloat light_pos[] = { 0.0, 20.0, 0.0, 1.0 };
+
+static void init( void )
+{
+ make_table();
+ make_objects();
+
+ /* Setup texture */
+#ifdef USE_TEXTURE
+
+ Image = LoadRGBImage( TABLE_TEXTURE, &ImgWidth, &ImgHeight, &ImgFormat );
+ if (!Image) {
+ printf("Couldn't read %s\n", TABLE_TEXTURE);
+ exit(0);
+ }
+
+ gluBuild2DMipmaps(GL_TEXTURE_2D, 3, ImgWidth, ImgHeight,
+ ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+#endif
+
+
+ xrot = 30.0;
+ yrot = 50.0;
+ spin = 0.0;
+
+#ifndef USE_ZBUFFER
+ glEnable( GL_CULL_FACE );
+#endif
+
+ glShadeModel( GL_FLAT );
+
+ glEnable( GL_LIGHT0 );
+ glEnable( GL_LIGHTING );
+
+ glClearColor( 0.5, 0.5, 0.9, 1.0 );
+
+ glEnable( GL_NORMALIZE );
+}
+
+
+
+static void reshape(int w, int h)
+{
+ GLfloat aspect = (float) w / (float) h;
+
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum( -aspect, aspect, -1.0, 1.0, 4.0, 300.0 );
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+
+
+static void draw_objects( GLfloat eyex, GLfloat eyey, GLfloat eyez )
+{
+ (void) eyex;
+ (void) eyey;
+ (void) eyez;
+#ifndef USE_ZBUFFER
+ if (eyex<0.5)
+ {
+#endif
+ glPushMatrix();
+ glTranslatef( 1.0, 1.5, 0.0 );
+ glRotatef( spin, 1.0, 0.5, 0.0 );
+ glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+ glCallList( objects_list[0] );
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef( -1.0, 0.85+3.0*fabs( cos(0.01*spin) ), 0.0 );
+ glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+ glRotatef( spin, 1.0, 0.5, 0.0 );
+ glScalef( 0.5, 0.5, 0.5 );
+ glCallList( objects_list[1] );
+ glPopMatrix();
+#ifndef USE_ZBUFFER
+ }
+ else
+ {
+ glPushMatrix();
+ glTranslatef( -1.0, 0.85+3.0*fabs( cos(0.01*spin) ), 0.0 );
+ glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+ glRotatef( spin, 1.0, 0.5, 0.0 );
+ glScalef( 0.5, 0.5, 0.5 );
+ glCallList( objects_list[1] );
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef( 1.0, 1.5, 0.0 );
+ glRotatef( spin, 1.0, 0.5, 0.0 );
+ glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+ glCallList( objects_list[0] );
+ glPopMatrix();
+ }
+#endif
+}
+
+
+
+static void draw_table( void )
+{
+ glCallList( table_list );
+}
+
+
+
+static void draw_scene( void )
+{
+ GLfloat dist = 20.0;
+ GLfloat eyex, eyey, eyez;
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+
+ eyex = dist * cos(yrot*DEG2RAD) * cos(xrot*DEG2RAD);
+ eyez = dist * sin(yrot*DEG2RAD) * cos(xrot*DEG2RAD);
+ eyey = dist * sin(xrot*DEG2RAD);
+
+ /* view from top */
+ glPushMatrix();
+ gluLookAt( eyex, eyey, eyez, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0 );
+
+ glLightfv( GL_LIGHT0, GL_POSITION, light_pos );
+
+ /* draw table into stencil planes */
+ glEnable( GL_STENCIL_TEST );
+#ifdef USE_ZBUFFER
+ glDisable( GL_DEPTH_TEST );
+#endif
+ glStencilFunc( GL_ALWAYS, 1, 0xffffffff );
+ glStencilOp( GL_REPLACE, GL_REPLACE, GL_REPLACE );
+ glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
+ draw_table();
+ glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
+
+#ifdef USE_ZBUFFER
+ glEnable( GL_DEPTH_TEST );
+#endif
+
+
+ /* render view from below (reflected viewport) */
+ /* only draw where stencil==1 */
+ if (eyey>0.0) {
+ glPushMatrix();
+
+ glStencilFunc( GL_EQUAL, 1, 0xffffffff ); /* draw if ==1 */
+ glStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
+ glScalef( 1.0, -1.0, 1.0 );
+
+ /* Reposition light in reflected space. */
+ glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
+
+ draw_objects(eyex, eyey, eyez);
+ glPopMatrix();
+
+ /* Restore light's original unreflected position. */
+ glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
+ }
+
+ glDisable( GL_STENCIL_TEST );
+
+ glEnable( GL_BLEND );
+ glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+
+#ifdef USE_TEXTURE
+ glEnable( GL_TEXTURE_2D );
+#endif
+ draw_table();
+ glDisable( GL_TEXTURE_2D );
+ glDisable( GL_BLEND );
+
+ /* view from top */
+ glPushMatrix();
+
+ draw_objects(eyex, eyey, eyez);
+
+ glPopMatrix();
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+
+#if 0
+void draw_scene(void)
+{
+ GLfloat dist = 20.0;
+ GLfloat eyex, eyey, eyez;
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+
+ eyex = dist * cos(yrot*DEG2RAD) * cos(xrot*DEG2RAD);
+ eyez = dist * sin(yrot*DEG2RAD) * cos(xrot*DEG2RAD);
+ eyey = dist * sin(xrot*DEG2RAD);
+
+ /* view from top */
+ glPushMatrix();
+ gluLookAt( eyex, eyey, eyez, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0 );
+
+ draw_table();
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+#endif
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ if (key==27)
+ exit(0);
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ xrot += 3.0;
+#ifndef USE_ZBUFFER
+ if ( xrot > 180 ) xrot = 180;
+#endif
+ break;
+ case GLUT_KEY_DOWN:
+ xrot -= 3.0;
+#ifndef USE_ZBUFFER
+ if ( xrot < 0 ) xrot = 0;
+#endif
+ break;
+ case GLUT_KEY_LEFT:
+ yrot += 3.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ yrot -= 3.0;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+
+static void idle( void )
+{
+ spin += 2.0;
+ yrot += 3.0;
+ glutPostRedisplay();
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB
+#ifdef USE_ZBUFFER
+ | GLUT_DEPTH
+#endif
+ | GLUT_STENCIL);
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize(400, 300 );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc(reshape);
+ glutDisplayFunc(draw_scene);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(SpecialKey);
+ glutIdleFunc(idle);
+
+ init();
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/renormal.c b/progs/demos/renormal.c
new file mode 100644
index 0000000000..bd099dcdc8
--- /dev/null
+++ b/progs/demos/renormal.c
@@ -0,0 +1,123 @@
+/* $Id: renormal.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Test GL_EXT_rescale_normal extension
+ * Brian Paul January 1998 This program is in the public domain.
+ */
+
+/*
+ * $Id: renormal.c,v 1.1 1999/08/19 00:55:40 jtg Exp $
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLfloat Phi = 0.0;
+
+
+static void Idle(void)
+{
+ Phi += 0.1;
+ glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+ GLfloat scale = 0.6 + 0.5 * sin(Phi);
+ glClear( GL_COLOR_BUFFER_BIT );
+ glPushMatrix();
+ glScalef(scale, scale, scale);
+ glutSolidSphere(2.0, 20, 20);
+ glPopMatrix();
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+
+static void Init( void )
+{
+ static GLfloat mat[4] = { 0.8, 0.8, 0.0, 1.0 };
+ static GLfloat pos[4] = { -1.0, 1.0, 1.0, 0.0 };
+
+ /* setup lighting, etc */
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat);
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+
+ glEnable(GL_CULL_FACE);
+
+ glDisable(GL_RESCALE_NORMAL_EXT);
+ glDisable(GL_NORMALIZE);
+}
+
+
+#define UNSCALED 1
+#define NORMALIZE 2
+#define RESCALE 3
+#define QUIT 4
+
+
+static void ModeMenu(int entry)
+{
+ if (entry==UNSCALED) {
+ glDisable(GL_RESCALE_NORMAL_EXT);
+ glDisable(GL_NORMALIZE);
+ }
+ else if (entry==NORMALIZE) {
+ glEnable(GL_NORMALIZE);
+ glDisable(GL_RESCALE_NORMAL_EXT);
+ }
+ else if (entry==RESCALE) {
+ glDisable(GL_NORMALIZE);
+ glEnable(GL_RESCALE_NORMAL_EXT);
+ }
+ else if (entry==QUIT) {
+ exit(0);
+ }
+ glutPostRedisplay();
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowSize( 400, 400 );
+
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+ glutCreateWindow(argv[0]);
+
+ Init();
+
+ glutIdleFunc( Idle );
+ glutReshapeFunc( Reshape );
+ glutDisplayFunc( Display );
+
+ glutCreateMenu(ModeMenu);
+ glutAddMenuEntry("Unscaled", UNSCALED);
+ glutAddMenuEntry("Normalize", NORMALIZE);
+ glutAddMenuEntry("Rescale EXT", RESCALE);
+ glutAddMenuEntry("Quit", QUIT);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/spectex.c b/progs/demos/spectex.c
new file mode 100644
index 0000000000..412f442e4a
--- /dev/null
+++ b/progs/demos/spectex.c
@@ -0,0 +1,277 @@
+/* $Id: spectex.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * GLUT demonstration of texturing with specular highlights.
+ *
+ * When drawing a lit, textured surface one usually wants the specular
+ * highlight to override the texture colors. However, OpenGL applies
+ * texturing after lighting so the specular highlight is modulated by
+ * the texture.
+ *
+ * The solution here shown here is a two-pass algorithm:
+ * 1. Draw the textured surface without specular lighting.
+ * 2. Enable blending to add the next pass:
+ * 3. Redraw the surface with a matte white material and only the
+ * specular components of light sources enabled.
+ *
+ * Brian Paul February 1997
+ */
+
+
+/*
+ * $Log: spectex.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.2 1999/03/28 18:22:05 brianp
+ * minor clean-up
+ *
+ * Revision 3.1 1998/02/14 18:47:48 brianp
+ * added OpenGL 1.2 separate specular interpolation support
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLUquadricObj *Quadric;
+static GLuint Sphere;
+static GLfloat LightPos[4] = {10.0, 10.0, 10.0, 1.0};
+static GLfloat Delta = 1.0;
+static GLint Mode = 0;
+
+/*static GLfloat Blue[4] = {0.0, 0.0, 1.0, 1.0};*/
+/*static GLfloat Gray[4] = {0.5, 0.5, 0.5, 1.0};*/
+static GLfloat Black[4] = {0.0, 0.0, 0.0, 1.0};
+static GLfloat White[4] = {1.0, 1.0, 1.0, 1.0};
+
+
+
+static void Idle( void )
+{
+ LightPos[0] += Delta;
+ if (LightPos[0]>15.0)
+ Delta = -1.0;
+ else if (LightPos[0]<-15.0)
+ Delta = 1.0;
+
+ glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
+
+ glPushMatrix();
+ glRotatef(90.0, 1.0, 0.0, 0.0);
+
+ if (Mode==0) {
+ /* Typical method: diffuse + specular + texture */
+ glEnable(GL_TEXTURE_2D);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, White); /* enable diffuse */
+ glLightfv(GL_LIGHT0, GL_SPECULAR, White); /* enable specular */
+#ifdef GL_VERSION_1_2
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+ glCallList(Sphere);
+ }
+ else if (Mode==1) {
+ /* just specular highlight */
+ glDisable(GL_TEXTURE_2D);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, Black); /* disable diffuse */
+ glLightfv(GL_LIGHT0, GL_SPECULAR, White); /* enable specular */
+#ifdef GL_VERSION_1_2
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+ glCallList(Sphere);
+ }
+ else if (Mode==2) {
+ /* diffuse textured */
+ glEnable(GL_TEXTURE_2D);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, White); /* enable diffuse */
+ glLightfv(GL_LIGHT0, GL_SPECULAR, Black); /* disable specular */
+#ifdef GL_VERSION_1_2
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+ glCallList(Sphere);
+ }
+ else if (Mode==3) {
+ /* 2-pass: diffuse textured then add specular highlight*/
+ glEnable(GL_TEXTURE_2D);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, White); /* enable diffuse */
+ glLightfv(GL_LIGHT0, GL_SPECULAR, Black); /* disable specular */
+#ifdef GL_VERSION_1_2
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+ glCallList(Sphere);
+ /* specular highlight */
+ glDepthFunc(GL_EQUAL); /* redraw same pixels */
+ glDisable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND); /* add */
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, Black); /* disable diffuse */
+ glLightfv(GL_LIGHT0, GL_SPECULAR, White); /* enable specular */
+ glCallList(Sphere);
+ glDepthFunc(GL_LESS);
+ glDisable(GL_BLEND);
+ }
+ else if (Mode==4) {
+ /* OpenGL 1.2's separate diffuse and specular color */
+ glEnable(GL_TEXTURE_2D);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, White); /* enable diffuse */
+ glLightfv(GL_LIGHT0, GL_SPECULAR, White); /* enable specular */
+#ifdef GL_VERSION_1_2
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
+#endif
+ glCallList(Sphere);
+ }
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ break;
+ case GLUT_KEY_DOWN:
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ int i, j;
+ GLubyte texImage[64][64][3];
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 0);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, Black);
+
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, White);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, White);
+ glMaterialf(GL_FRONT, GL_SHININESS, 20.0);
+
+ /* Actually, these are set again later */
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, White);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, White);
+
+ Quadric = gluNewQuadric();
+ gluQuadricTexture( Quadric, GL_TRUE );
+
+ Sphere= glGenLists(1);
+ glNewList( Sphere, GL_COMPILE );
+ gluSphere( Quadric, 1.0, 24, 24 );
+ glEndList();
+
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_CULL_FACE);
+
+ for (i=0;i<64;i++) {
+ for (j=0;j<64;j++) {
+ int k = ((i>>3)&1) ^ ((j>>3)&1);
+ texImage[i][j][0] = 255*k;
+ texImage[i][j][1] = 255*(1-k);
+ texImage[i][j][2] = 0;
+ }
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glTexImage2D( GL_TEXTURE_2D,
+ 0,
+ 3,
+ 64, 64,
+ 0,
+ GL_RGB, GL_UNSIGNED_BYTE,
+ texImage );
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glEnable(GL_TEXTURE_2D);
+
+ glBlendFunc(GL_ONE, GL_ONE);
+}
+
+
+static void ModeMenu(int entry)
+{
+ if (entry==99)
+ exit(0);
+ Mode = entry;
+}
+
+
+int main( int argc, char *argv[] )
+{
+
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 300, 300 );
+
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+ glutCreateWindow( "spectex" );
+
+ Init();
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ glutIdleFunc( Idle );
+
+ glutCreateMenu( ModeMenu );
+ glutAddMenuEntry("1-pass lighting + texturing", 0);
+ glutAddMenuEntry("specular lighting", 1);
+ glutAddMenuEntry("diffuse lighting + texturing", 2);
+ glutAddMenuEntry("2-pass lighting + texturing", 3);
+#ifdef GL_VERSION_1_2
+ glutAddMenuEntry("OpenGL 1.2 separate specular", 4);
+#endif
+ glutAddMenuEntry("Quit", 99);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/stex3d.c b/progs/demos/stex3d.c
new file mode 100644
index 0000000000..7c478c79b4
--- /dev/null
+++ b/progs/demos/stex3d.c
@@ -0,0 +1,578 @@
+/* $Id: stex3d.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*-----------------------------
+ * stex3d.c GL example of the mesa 3d-texture extention to simulate procedural
+ * texturing, it uses a perlin noise and turbulence functions.
+ *
+ * Author: Daniel Barrero
+ * barrero@irit.fr
+ * dbarrero@pegasus.uniandes.edu.co
+ *
+ * Converted to GLUT by brianp on 1/1/98
+ *
+ *
+ * cc stex3d.c -o stex3d -lglut -lMesaGLU -lMesaGL -lX11 -lXext -lm
+ *
+ *---------------------------- */
+
+/*
+ * $Log: stex3d.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.1 1998/06/09 01:53:49 brianp
+ * main() should return an int
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+/* function declarations */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+void init(void),
+ printHelp(void),
+ create3Dtexture(void),
+ setDefaults(void),
+ drawScene(void),
+ resize(int w, int h),
+ buildFigure(void),
+ initNoise(void);
+float turbulence(float point[3], float lofreq, float hifreq);
+
+int isExtSupported(char *ext);
+void KeyHandler( unsigned char key, int x, int y );
+GLenum parseCmdLine(int argc, char **argv);
+float noise3(float vec[3]);
+
+/* global variables */
+GLenum rgb, doubleBuffer, directRender, windType; /* visualization state*/
+float tex_width,tex_height,tex_depth; /* texture volume dimensions */
+unsigned char *voxels; /* texture data ptr */
+int angx,angy,angz;
+GLuint figure;
+
+/*function definitions */
+int main(int argc, char **argv)
+{
+
+ if (parseCmdLine(argc, argv) == GL_FALSE) {
+ exit(0);
+ }
+
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(400, 400);
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ windType |= GLUT_DEPTH;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("stex3d") <= 0) {
+ exit(0);
+ }
+ /* init all */
+ init();
+
+ glutReshapeFunc(resize);
+ glutKeyboardFunc(KeyHandler);
+ glutDisplayFunc(drawScene);
+ glutMainLoop();
+ return 0;
+}
+
+void init()
+{
+ /* init light */
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 25.0 };
+ GLfloat gray[] = { 0.6, 0.6, 0.6, 0.0 };
+ GLfloat white[] = { 1.0, 1.0, 1.0, 0.0 };
+ GLfloat light_position[] = { 0.0, 1.0, 1.0, 0.0 };
+
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ glLightfv(GL_LIGHT1, GL_POSITION, light_position);
+ glLightfv(GL_LIGHT1, GL_AMBIENT, gray);
+ glLightfv(GL_LIGHT1, GL_DIFFUSE, white);
+ glLightfv(GL_LIGHT1, GL_SPECULAR, white);
+ glColorMaterial(GL_FRONT, GL_DIFFUSE);
+ glEnable(GL_COLOR_MATERIAL);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT1);
+
+ /* create torus for texturing */
+ figure=glGenLists(1);
+ buildFigure();
+/* tkSolidTorus(figure,0.3,1.2);*/
+
+ /* start the noise function variables */
+ initNoise();
+
+ /* see if the texture 3d extention is supported */
+ if (!isExtSupported("GL_EXT_texture3D")) {
+ printf("Sorry this GL implementation (%s) does not support 3d texture extentions\n",
+ (char *)(glGetString(GL_RENDERER)));
+/* tkQuit();*/
+ }
+
+ /* if texture is supported then generate the texture */
+ create3Dtexture();
+
+ glEnable(GL_TEXTURE_3D_EXT);
+ /*
+ glBlendFunc(GL_SRC_COLOR, GL_SRC_ALPHA);
+ glEnable(GL_BLEND);
+ */
+ glEnable(GL_DEPTH_TEST);
+
+ glShadeModel(GL_FLAT);
+ glColor3f(0.6,0.7,0.8);
+}
+
+void buildFigure(void)
+{ GLint i, j;
+ float theta1, phi1, theta2, phi2, rings, sides;
+ float v0[03], v1[3], v2[3], v3[3];
+ float t0[03], t1[3], t2[3], t3[3];
+ float n0[3], n1[3], n2[3], n3[3];
+ float innerRadius=0.4;
+ float outerRadius=0.8;
+ float scalFac;
+
+ rings = 8;
+ sides = 10;
+ scalFac=1/(outerRadius*2);
+
+ glNewList(figure, GL_COMPILE);
+ for (i = 0; i < rings; i++) {
+ theta1 = (float)i * 2.0 * M_PI / rings;
+ theta2 = (float)(i + 1) * 2.0 * M_PI / rings;
+ for (j = 0; j < sides; j++) {
+ phi1 = (float)j * 2.0 * M_PI / sides;
+ phi2 = (float)(j + 1) * 2.0 * M_PI / sides;
+
+ v0[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi1));
+ v0[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi1));
+ v0[2] = innerRadius * sin(phi1);
+
+ v1[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi1));
+ v1[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi1));
+ v1[2] = innerRadius * sin(phi1);
+ v2[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi2));
+ v2[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi2));
+ v2[2] = innerRadius * sin(phi2);
+
+ v3[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi2));
+ v3[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi2));
+ v3[2] = innerRadius * sin(phi2);
+
+ n0[0] = cos(theta1) * (cos(phi1));
+ n0[1] = -sin(theta1) * (cos(phi1));
+ n0[2] = sin(phi1);
+
+ n1[0] = cos(theta2) * (cos(phi1));
+ n1[1] = -sin(theta2) * (cos(phi1));
+ n1[2] = sin(phi1);
+
+ n2[0] = cos(theta2) * (cos(phi2));
+ n2[1] = -sin(theta2) * (cos(phi2));
+ n2[2] = sin(phi2);
+
+ n3[0] = cos(theta1) * (cos(phi2));
+ n3[1] = -sin(theta1) * (cos(phi2));
+ n3[2] = sin(phi2);
+
+ t0[0] = v0[0]*scalFac + 0.5;
+ t0[1] = v0[1]*scalFac + 0.5;
+ t0[2] = v0[2]*scalFac + 0.5;
+
+ t1[0] = v1[0]*scalFac + 0.5;
+ t1[1] = v1[1]*scalFac + 0.5;
+ t1[2] = v1[2]*scalFac + 0.5;
+
+ t2[0] = v2[0]*scalFac + 0.5;
+ t2[1] = v2[1]*scalFac + 0.5;
+ t2[2] = v2[2]*scalFac + 0.5;
+
+ t3[0] = v3[0]*scalFac + 0.5;
+ t3[1] = v3[1]*scalFac + 0.5;
+ t3[2] = v3[2]*scalFac + 0.5;
+
+ glBegin(GL_POLYGON);
+ glNormal3fv(n3); glTexCoord3fv(t3); glVertex3fv(v3);
+ glNormal3fv(n2); glTexCoord3fv(t2); glVertex3fv(v2);
+ glNormal3fv(n1); glTexCoord3fv(t1); glVertex3fv(v1);
+ glNormal3fv(n0); glTexCoord3fv(t0); glVertex3fv(v0);
+ glEnd();
+ }
+ }
+ glEndList();
+}
+
+void create3Dtexture()
+{
+ int i,j,k;
+ unsigned char *vp;
+ float vec[3];
+ int tmp;
+
+ printf("creating 3d textures...\n");
+ voxels = (unsigned char *) malloc((4*tex_width*tex_height*tex_depth));
+ vp=voxels;
+ for (i=0;i<tex_width;i++){
+ vec[0]=i;
+ for (j=0;j<tex_height;j++) {
+ vec[1]=j;
+ for (k=0;k<tex_depth;k++) {
+ vec[2]=k;
+ tmp=(sin(k*i*j+turbulence(vec,0.01,1))+1)*127.5;
+ *vp++=0;
+ *vp++=0;
+ *vp++=tmp;
+ *vp++=tmp+128;
+ }
+ }
+ }
+
+ printf("setting up 3d texture...\n");
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glTexParameteri(GL_TEXTURE_3D_EXT, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_3D_EXT, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_3D_EXT, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_3D_EXT, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_3D_EXT, GL_TEXTURE_WRAP_R_EXT, GL_REPEAT);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+
+ glTexImage3DEXT(GL_TEXTURE_3D_EXT, 0, GL_RGBA,
+ tex_width, tex_height, tex_depth,
+ 0, GL_RGBA, GL_UNSIGNED_BYTE, voxels);
+
+ printf("finished setting up 3d texture image...\n");
+}
+
+int isExtSupported(char *ext)
+{
+ /* routine to find whether a specified OpenGL extension is supported */
+
+ char *c;
+ int len;
+ char *allext = (char *)(glGetString(GL_EXTENSIONS));
+
+ len = strlen(ext);
+ if (len <= 0) return 0;
+
+ c = allext;
+ while (c) {
+ if (!strncmp(c,ext,len)) return 1;
+ c = strchr(c+1,'G');
+ }
+ return 0;
+}
+
+void printHelp()
+{
+ printf("\nUsage: stex3d <cmd line options>\n");
+ printf(" cmd line options:\n");
+ printf(" -help print this help!\n");
+ printf(" -rgb RGBA mode. (Default)\n");
+ printf(" -ci Color index mode.\n");
+ printf(" -sb Single buffer mode. (Default)\n");
+ printf(" -db Double buffer mode. \n");
+ printf(" -dr Direct render mode.\n");
+ printf(" -ir Indirect render mode. (Default)\n");
+ printf(" -wxxx Width of the texture (Default=64)\n");
+ printf(" -hxxx Height of the texture (Default=64)\n");
+ printf(" -dxxx Depth of the texture (Default=64)\n");
+ printf(" Keyboard Options:\n");
+ printf(" 1 Object Texture coordinates (Default)\n");
+ printf(" 2 Eye Texture coordinates \n");
+ printf(" x rotate around x clockwise\n");
+ printf(" X rotate around x counter clockwise\n");
+ printf(" y rotate around y clockwise\n");
+ printf(" Y rotate around y counter clockwise\n");
+ printf(" z rotate around z clockwise\n");
+ printf(" Z rotate around z counter clockwise\n");
+ printf(" t enable 3-D texuring (Default)\n");
+ printf(" T disable 3-D texuring\n");
+ printf(" s smooth shading \n");
+ printf(" S flat shading (Default)\n");
+}
+
+void setDefaults()
+{
+ /* visualization defaults */
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+ directRender = GL_TRUE;
+ angx=130;
+ angy=30;
+ angz=0;
+ /* texture values */
+ tex_width=64;
+ tex_height=64;
+ tex_depth=64;
+}
+
+GLenum parseCmdLine(int argc, char **argv)
+{
+ GLint i;
+
+ setDefaults();
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-dr") == 0) {
+ directRender = GL_TRUE;
+ } else if (strcmp(argv[i], "-ir") == 0) {
+ directRender = GL_FALSE;
+ } else if (strstr(argv[i], "-w") == 0) {
+ tex_width=atoi((argv[i])+2);
+ } else if (strstr(argv[i], "-h") == 0) {
+ tex_height=atoi((argv[i])+2);
+ } else if (strstr(argv[i], "-d") == 0) {
+ tex_depth=atoi((argv[i])+2);
+ } else if (strcmp(argv[i], "-help") == 0) {
+ printHelp();
+ return GL_FALSE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ printHelp();
+ return GL_FALSE;
+ }
+ }
+ if(tex_width==0 || tex_height==0 || tex_depth==0) {
+ printf("%s (Bad option).\n", "size parameters can't be 0");
+ printHelp();
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+}
+
+void drawScene()
+{
+ /* clear background, z buffer etc */
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+ glPushMatrix();
+ glRotatef(angx,1.0,0.0,0.0);
+ glRotatef(angy,0.0,1.0,0.0);
+ glRotatef(angz,0.0,0.0,1.0);
+
+ glCallList(figure);
+ glPopMatrix();
+ glFlush();
+ if(doubleBuffer)
+ glutSwapBuffers();
+ ;
+}
+
+void resize(int w, int h)
+{
+ glViewport(0, 0, (GLint)w, (GLint)h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-2,2,-2,2,-5,10);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0,0,-5);
+}
+
+void cleanEverything(void)
+{
+/* free(voxels); */
+}
+
+
+void KeyHandler( unsigned char key, int x, int y )
+{
+ switch(key) {
+ case 27:
+ case 'q':
+ case 'Q': /* quit game. */
+ cleanEverything();
+ exit(0);
+ break;
+ case 'x':
+ angx+=10;
+ break;
+ case 'X':
+ angx-=10;
+ break;
+ case 'y':
+ angy+=10;
+ break;
+ case 'Y':
+ angy-=10;
+ break;
+ case 'z':
+ angz+=10;
+ break;
+ case 'Z':
+ angz-=10;
+ break;
+ case 't':
+ glEnable(GL_TEXTURE_3D_EXT);
+ break;
+ case 'T':
+ glDisable(GL_TEXTURE_3D_EXT);
+ break;
+ case 's':
+ glShadeModel(GL_SMOOTH);
+ break;
+ case 'S':
+ glShadeModel(GL_FLAT);
+ break;
+ case '1':
+ glDisable(GL_TEXTURE_GEN_S);
+ glDisable(GL_TEXTURE_GEN_T);
+ glDisable(GL_TEXTURE_GEN_R);
+ break;
+ case '2':
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+ glEnable(GL_TEXTURE_GEN_R);
+ break;
+ default:
+ break;
+ }
+ glutPostRedisplay();
+}
+
+/*--------------------------------------------------------------------
+ noise function over R3 - implemented by a pseudorandom tricubic spline
+ EXCERPTED FROM SIGGRAPH 92, COURSE 23
+ PROCEDURAL MODELING
+ Ken Perlin
+ New York University
+----------------------------------------------------------------------*/
+
+
+#define DOT(a,b) (a[0] * b[0] + a[1] * b[1] + a[2] * b[2])
+#define B 256
+static int p[B + B + 2];
+static float g[B + B + 2][3];
+#define setup(i,b0,b1,r0,r1) \
+ t = vec[i] + 10000.; \
+ b0 = ((int)t) & (B-1); \
+ b1 = (b0+1) & (B-1); \
+ r0 = t - (int)t; \
+ r1 = r0 - 1.;
+
+float noise3(float vec[3])
+{
+ int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11;
+ float rx0, rx1, ry0, ry1, rz0, rz1, *q, sx, sy, sz, a, b, c, d, t, u, v;
+ register int i, j;
+
+ setup(0, bx0,bx1, rx0,rx1);
+ setup(1, by0,by1, ry0,ry1);
+ setup(2, bz0,bz1, rz0,rz1);
+
+ i = p[ bx0 ];
+ j = p[ bx1 ];
+
+ b00 = p[ i + by0 ];
+ b10 = p[ j + by0 ];
+ b01 = p[ i + by1 ];
+ b11 = p[ j + by1 ];
+
+#define at(rx,ry,rz) ( rx * q[0] + ry * q[1] + rz * q[2] )
+#define surve(t) ( t * t * (3. - 2. * t) )
+#define lerp(t, a, b) ( a + t * (b - a) )
+
+ sx = surve(rx0);
+ sy = surve(ry0);
+ sz = surve(rz0);
+
+ q = g[ b00 + bz0 ] ; u = at(rx0,ry0,rz0);
+ q = g[ b10 + bz0 ] ; v = at(rx1,ry0,rz0);
+ a = lerp(sx, u, v);
+
+ q = g[ b01 + bz0 ] ; u = at(rx0,ry1,rz0);
+ q = g[ b11 + bz0 ] ; v = at(rx1,ry1,rz0);
+ b = lerp(sx, u, v);
+
+ c = lerp(sy, a, b); /* interpolate in y at lo x */
+
+ q = g[ b00 + bz1 ] ; u = at(rx0,ry0,rz1);
+ q = g[ b10 + bz1 ] ; v = at(rx1,ry0,rz1);
+ a = lerp(sx, u, v);
+
+ q = g[ b01 + bz1 ] ; u = at(rx0,ry1,rz1);
+ q = g[ b11 + bz1 ] ; v = at(rx1,ry1,rz1);
+ b = lerp(sx, u, v);
+
+ d = lerp(sy, a, b); /* interpolate in y at hi x */
+
+ return 1.5 * lerp(sz, c, d); /* interpolate in z */
+}
+
+void initNoise()
+{
+ /*long random();*/
+ int i, j, k;
+ float v[3], s;
+
+/* Create an array of random gradient vectors uniformly on the unit sphere */
+ /*srandom(1);*/
+ srand(1);
+ for (i = 0 ; i < B ; i++) {
+ do { /* Choose uniformly in a cube */ for (j=0 ; j<3 ; j++)
+ v[j] = (float)((rand() % (B + B)) - B) / B;
+ s = DOT(v,v);
+ } while (s > 1.0); /* If not in sphere try again */ s = sqrt(s);
+ for (j = 0 ; j < 3 ; j++) /* Else normalize */
+ g[i][j] = v[j] / s;
+ }
+
+/* Create a pseudorandom permutation of [1..B] */
+ for (i = 0 ; i < B ; i++)
+ p[i] = i;
+ for (i = B ; i > 0 ; i -= 2) {
+ k = p[i];
+ p[i] = p[j = rand() % B];
+ p[j] = k;
+ }
+
+/* Extend g and p arrays to allow for faster indexing */
+ for (i = 0 ; i < B + 2 ; i++) {
+ p[B + i] = p[i];
+ for (j = 0 ; j < 3 ; j++)
+ g[B + i][j] = g[i][j];
+ }
+}
+
+float turbulence(float point[3], float lofreq, float hifreq)
+{
+ float freq, t, p[3];
+
+ p[0] = point[0] + 123.456;
+ p[1] = point[1];
+ p[2] = point[2];
+
+ t = 0;
+ for (freq = lofreq ; freq < hifreq ; freq *= 2.) {
+ t += fabs(noise3(p)) / freq;
+ p[0] *= 2.;
+ p[1] *= 2.;
+ p[2] *= 2.;
+ }
+ return t - 0.3; /* readjust to make mean value = 0.0 */
+}
+
diff --git a/progs/demos/tessdemo.c b/progs/demos/tessdemo.c
new file mode 100644
index 0000000000..497b105a88
--- /dev/null
+++ b/progs/demos/tessdemo.c
@@ -0,0 +1,439 @@
+/* $Id: tessdemo.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * A demo of the GLU polygon tesselation functions written by Bogdan Sikorski.
+ * This demo isn't built by the Makefile because it needs GLUT. After you've
+ * installed GLUT you can try this demo.
+ * Here's the command for IRIX, for example:
+ cc -g -ansi -prototypes -fullwarn -float -I../include -DSHM tess_demo.c -L../lib -lglut -lMesaGLU -lMesaGL -lm -lX11 -lXext -lXmu -lfpe -lXext -o tess_demo
+ */
+
+
+/*
+ * $Log: tessdemo.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.5 1999/03/28 18:24:37 brianp
+ * minor clean-up
+ *
+ * Revision 3.4 1999/02/14 03:37:07 brianp
+ * fixed callback problem
+ *
+ * Revision 3.3 1998/07/26 01:25:26 brianp
+ * removed include of gl.h and glu.h
+ *
+ * Revision 3.2 1998/06/29 02:37:30 brianp
+ * minor changes for Windows (Ted Jump)
+ *
+ * Revision 3.1 1998/06/09 01:53:49 brianp
+ * main() should return an int
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_POINTS 200
+#define MAX_CONTOURS 50
+
+int menu;
+typedef enum{ QUIT, TESSELATE, CLEAR } menu_entries;
+typedef enum{ DEFINE, TESSELATED } mode_type;
+struct
+{
+ GLint p[MAX_POINTS][2];
+ GLuint point_cnt;
+} contours[MAX_CONTOURS];
+GLuint contour_cnt;
+GLsizei width,height;
+mode_type mode;
+
+struct
+{
+ GLsizei no;
+ GLfloat color[3];
+ GLint p[3][2];
+ GLclampf p_color[3][3];
+} triangle;
+
+
+#ifndef GLCALLBACK
+#ifdef CALLBACK
+#define GLCALLBACK CALLBACK
+#else
+#define GLCALLBACK
+#endif
+#endif
+
+
+void GLCALLBACK my_error(GLenum err)
+{
+ int len,i;
+ char const *str;
+
+ glColor3f(0.9,0.9,0.9);
+ glRasterPos2i(5,5);
+ str=(const char *)gluErrorString(err);
+ len=strlen(str);
+ for(i=0;i<len;i++)
+ glutBitmapCharacter(GLUT_BITMAP_9_BY_15,str[i]);
+}
+
+void GLCALLBACK begin_callback(GLenum mode)
+{
+ triangle.no=0;
+}
+
+void GLCALLBACK edge_callback(GLenum flag)
+{
+ if(flag==GL_TRUE)
+ {
+ triangle.color[0]=1.0;
+ triangle.color[1]=1.0;
+ triangle.color[2]=0.5;
+ }
+ else
+ {
+ triangle.color[0]=1.0;
+ triangle.color[1]=0.0;
+ triangle.color[2]=0.0;
+ }
+}
+
+void GLCALLBACK end_callback()
+{
+ glBegin(GL_LINES);
+ glColor3f(triangle.p_color[0][0],triangle.p_color[0][1],
+ triangle.p_color[0][2]);
+ glVertex2i(triangle.p[0][0],triangle.p[0][1]);
+ glVertex2i(triangle.p[1][0],triangle.p[1][1]);
+ glColor3f(triangle.p_color[1][0],triangle.p_color[1][1],
+ triangle.p_color[1][2]);
+ glVertex2i(triangle.p[1][0],triangle.p[1][1]);
+ glVertex2i(triangle.p[2][0],triangle.p[2][1]);
+ glColor3f(triangle.p_color[2][0],triangle.p_color[2][1],
+ triangle.p_color[2][2]);
+ glVertex2i(triangle.p[2][0],triangle.p[2][1]);
+ glVertex2i(triangle.p[0][0],triangle.p[0][1]);
+ glEnd();
+}
+
+void GLCALLBACK vertex_callback(void *data)
+{
+ GLsizei no;
+ GLint *p;
+
+ p=(GLint *)data;
+ no=triangle.no;
+ triangle.p[no][0]=p[0];
+ triangle.p[no][1]=p[1];
+ triangle.p_color[no][0]=triangle.color[0];
+ triangle.p_color[no][1]=triangle.color[1];
+ triangle.p_color[no][2]=triangle.color[2];
+ ++(triangle.no);
+}
+
+void set_screen_wh(GLsizei w, GLsizei h)
+{
+ width=w;
+ height=h;
+}
+
+void tesse(void)
+{
+ GLUtriangulatorObj *tobj;
+ GLdouble data[3];
+ GLuint i,j,point_cnt;
+
+ tobj=gluNewTess();
+ if(tobj!=NULL)
+ {
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f (0.7, 0.7, 0.0);
+ gluTessCallback(tobj,GLU_BEGIN,glBegin);
+ gluTessCallback(tobj,GLU_END,glEnd);
+ gluTessCallback(tobj,GLU_ERROR,my_error);
+ gluTessCallback(tobj,GLU_VERTEX,glVertex2iv);
+ gluBeginPolygon(tobj);
+ for(j=0;j<=contour_cnt;j++)
+ {
+ point_cnt=contours[j].point_cnt;
+ gluNextContour(tobj,GLU_UNKNOWN);
+ for(i=0;i<point_cnt;i++)
+ {
+ data[0]=(GLdouble)(contours[j].p[i][0]);
+ data[1]=(GLdouble)(contours[j].p[i][1]);
+ data[2]=0.0;
+ gluTessVertex(tobj,data,contours[j].p[i]);
+ }
+ }
+ gluEndPolygon(tobj);
+ glLineWidth(2.0);
+ gluTessCallback(tobj,GLU_BEGIN,begin_callback);
+ gluTessCallback(tobj,GLU_END,end_callback);
+ gluTessCallback(tobj,GLU_VERTEX,vertex_callback);
+ gluTessCallback(tobj,GLU_EDGE_FLAG,edge_callback);
+ gluBeginPolygon(tobj);
+ for(j=0;j<=contour_cnt;j++)
+ {
+ point_cnt=contours[j].point_cnt;
+ gluNextContour(tobj,GLU_UNKNOWN);
+ for(i=0;i<point_cnt;i++)
+ {
+ data[0]=(GLdouble)(contours[j].p[i][0]);
+ data[1]=(GLdouble)(contours[j].p[i][1]);
+ data[2]=0.0;
+ gluTessVertex(tobj,data,contours[j].p[i]);
+ }
+ }
+ gluEndPolygon(tobj);
+ gluDeleteTess(tobj);
+ glutMouseFunc(NULL);
+ glColor3f (1.0, 1.0, 0.0);
+ glLineWidth(1.0);
+ mode=TESSELATED;
+ }
+}
+
+void left_down(int x1,int y1)
+{
+ GLint P[2];
+ GLuint point_cnt;
+
+ /* translate GLUT into GL coordinates */
+ P[0]=x1;
+ P[1]=height-y1;
+ point_cnt=contours[contour_cnt].point_cnt;
+ contours[contour_cnt].p[point_cnt][0]=P[0];
+ contours[contour_cnt].p[point_cnt][1]=P[1];
+ glBegin(GL_LINES);
+ if(point_cnt)
+ {
+ glVertex2iv(contours[contour_cnt].p[point_cnt-1]);
+ glVertex2iv(P);
+ }
+ else
+ {
+ glVertex2iv(P);
+ glVertex2iv(P);
+ }
+ glEnd();
+ glFinish();
+ ++(contours[contour_cnt].point_cnt);
+}
+
+void middle_down(int x1, int y1)
+{
+ GLuint point_cnt;
+ (void) x1;
+ (void) y1;
+
+ point_cnt=contours[contour_cnt].point_cnt;
+ if(point_cnt>2)
+ {
+ glBegin(GL_LINES);
+ glVertex2iv(contours[contour_cnt].p[0]);
+ glVertex2iv(contours[contour_cnt].p[point_cnt-1]);
+ contours[contour_cnt].p[point_cnt][0]= -1;
+ glEnd();
+ glFinish();
+ contour_cnt++;
+ contours[contour_cnt].point_cnt=0;
+ }
+}
+
+void mouse_clicked(int button,int state,int x,int y)
+{
+ x-= x%10;
+ y-= y%10;
+ switch(button)
+ {
+ case GLUT_LEFT_BUTTON:
+ if(state==GLUT_DOWN)
+ left_down(x,y);
+ break;
+ case GLUT_MIDDLE_BUTTON:
+ if(state==GLUT_DOWN)
+ middle_down(x,y);
+ break;
+ }
+}
+
+void display(void)
+{
+ GLuint i,j;
+ GLuint point_cnt;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ switch(mode)
+ {
+ case DEFINE:
+ /* draw grid */
+ glColor3f (0.6,0.5,0.5);
+ glBegin(GL_LINES);
+ for(i=0;i<width;i+=10)
+ for(j=0;j<height;j+=10)
+ {
+ glVertex2i(0,j);
+ glVertex2i(width,j);
+ glVertex2i(i,height);
+ glVertex2i(i,0);
+ }
+ glColor3f (1.0, 1.0, 0.0);
+ for(i=0;i<=contour_cnt;i++)
+ {
+ point_cnt=contours[i].point_cnt;
+ glBegin(GL_LINES);
+ switch(point_cnt)
+ {
+ case 0:
+ break;
+ case 1:
+ glVertex2iv(contours[i].p[0]);
+ glVertex2iv(contours[i].p[0]);
+ break;
+ case 2:
+ glVertex2iv(contours[i].p[0]);
+ glVertex2iv(contours[i].p[1]);
+ break;
+ default:
+ --point_cnt;
+ for(j=0;j<point_cnt;j++)
+ {
+ glVertex2iv(contours[i].p[j]);
+ glVertex2iv(contours[i].p[j+1]);
+ }
+ if(contours[i].p[j+1][0]== -1)
+ {
+ glVertex2iv(contours[i].p[0]);
+ glVertex2iv(contours[i].p[j]);
+ }
+ break;
+ }
+ glEnd();
+ }
+ glFinish();
+ break;
+ case TESSELATED:
+ /* draw lines */
+ tesse();
+ break;
+ }
+
+ glColor3f (1.0, 1.0, 0.0);
+}
+
+void clear( void )
+{
+ contour_cnt=0;
+ contours[0].point_cnt=0;
+ glutMouseFunc(mouse_clicked);
+ mode=DEFINE;
+ display();
+}
+
+void quit( void )
+{
+ exit(0);
+}
+
+void menu_selected(int entry)
+{
+ switch(entry)
+ {
+ case CLEAR:
+ clear();
+ break;
+ case TESSELATE:
+ tesse();
+ break;
+ case QUIT:
+ quit();
+ break;
+ }
+}
+
+void key_pressed(unsigned char key,int x,int y)
+{
+ (void) x;
+ (void) y;
+ switch(key)
+ {
+ case 't':
+ case 'T':
+ tesse();
+ glFinish();
+ break;
+ case 'q':
+ case 'Q':
+ quit();
+ break;
+ case 'c':
+ case 'C':
+ clear();
+ break;
+ }
+}
+
+void myinit (void)
+{
+/* clear background to gray */
+ glClearColor (0.4, 0.4, 0.4, 0.0);
+ glShadeModel (GL_FLAT);
+
+ menu=glutCreateMenu(menu_selected);
+ glutAddMenuEntry("clear",CLEAR);
+ glutAddMenuEntry("tesselate",TESSELATE);
+ glutAddMenuEntry("quit",QUIT);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+ glutMouseFunc(mouse_clicked);
+ glutKeyboardFunc(key_pressed);
+ contour_cnt=0;
+ glPolygonMode(GL_FRONT,GL_FILL);
+ mode=DEFINE;
+}
+
+static void reshape(GLsizei w, GLsizei h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ set_screen_wh(w,h);
+}
+
+
+static void usage( void )
+{
+ printf("Use left mouse button to place vertices.\n");
+ printf("Press middle mouse button when done.\n");
+ printf("Select tesselate from the pop-up menu.\n");
+}
+
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ usage();
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (400, 400);
+ glutCreateWindow (argv[0]);
+ myinit ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/texcyl.c b/progs/demos/texcyl.c
new file mode 100644
index 0000000000..0358d2975c
--- /dev/null
+++ b/progs/demos/texcyl.c
@@ -0,0 +1,261 @@
+/* $Id: texcyl.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Textured cylinder demo: lighting, texturing, reflection mapping.
+ * Brian Paul May 1997 This program is in the public domain.
+ */
+
+/*
+ * $Log: texcyl.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.3 1999/03/28 18:24:37 brianp
+ * minor clean-up
+ *
+ * Revision 3.2 1998/11/05 04:34:04 brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 3.1 1998/06/23 03:16:51 brianp
+ * added Point/Linear sampling menu items
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#include "../util/readtex.c" /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/reflect.rgb"
+
+#define LIT 1
+#define TEXTURED 2
+#define REFLECT 3
+#define ANIMATE 10
+#define POINT_FILTER 20
+#define LINEAR_FILTER 21
+#define QUIT 100
+
+static GLuint CylinderObj = 0;
+static GLboolean Animate = GL_TRUE;
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+static GLfloat DXrot = 1.0, DYrot = 2.5;
+
+
+static void Idle( void )
+{
+ if (Animate) {
+ Xrot += DXrot;
+ Yrot += DYrot;
+ glutPostRedisplay();
+ }
+}
+
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(Xrot, 1.0, 0.0, 0.0);
+ glRotatef(Yrot, 0.0, 1.0, 0.0);
+ glRotatef(Zrot, 0.0, 0.0, 1.0);
+ glScalef(5.0, 5.0, 5.0);
+ glCallList(CylinderObj);
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void SetMode(GLuint m)
+{
+ /* disable everything */
+ glDisable(GL_LIGHTING);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_TEXTURE_GEN_S);
+ glDisable(GL_TEXTURE_GEN_T);
+
+ /* enable what's needed */
+ if (m==LIT) {
+ glEnable(GL_LIGHTING);
+ }
+ else if (m==TEXTURED) {
+ glEnable(GL_TEXTURE_2D);
+ }
+ else if (m==REFLECT) {
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+ }
+}
+
+
+static void ModeMenu(int entry)
+{
+ if (entry==ANIMATE) {
+ Animate = !Animate;
+ }
+ else if (entry==POINT_FILTER) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ }
+ else if (entry==LINEAR_FILTER) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ }
+ else if (entry==QUIT) {
+ exit(0);
+ }
+ else {
+ SetMode(entry);
+ }
+ glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ float step = 3.0;
+ (void) x;
+ (void) y;
+
+ switch (key) {
+ case GLUT_KEY_UP:
+ Xrot += step;
+ break;
+ case GLUT_KEY_DOWN:
+ Xrot -= step;
+ break;
+ case GLUT_KEY_LEFT:
+ Yrot += step;
+ break;
+ case GLUT_KEY_RIGHT:
+ Yrot -= step;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ GLUquadricObj *q = gluNewQuadric();
+ CylinderObj = glGenLists(1);
+ glNewList(CylinderObj, GL_COMPILE);
+
+ glTranslatef(0.0, 0.0, -1.0);
+
+ /* cylinder */
+ gluQuadricNormals(q, GL_SMOOTH);
+ gluQuadricTexture(q, GL_TRUE);
+ gluCylinder(q, 0.6, 0.6, 2.0, 24, 1);
+
+ /* end cap */
+ glTranslatef(0.0, 0.0, 2.0);
+ gluDisk(q, 0.0, 0.6, 24, 1);
+
+ /* other end cap */
+ glTranslatef(0.0, 0.0, -2.0);
+ gluQuadricOrientation(q, GLU_INSIDE);
+ gluDisk(q, 0.0, 0.6, 24, 1);
+
+ glEndList();
+ gluDeleteQuadric(q);
+
+ /* lighting */
+ glEnable(GL_LIGHTING);
+ {
+ GLfloat gray[4] = {0.2, 0.2, 0.2, 1.0};
+ GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat teal[4] = { 0.0, 1.0, 0.8, 1.0 };
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, teal);
+ glLightfv(GL_LIGHT0, GL_AMBIENT, gray);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
+ glEnable(GL_LIGHT0);
+ }
+
+ /* fitering = nearest, initially */
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+
+ if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+ printf("Error: couldn't load texture image\n");
+ exit(1);
+ }
+
+ glEnable(GL_CULL_FACE); /* don't need Z testing for convex objects */
+
+ SetMode(LIT);
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowSize( 400, 400 );
+
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+ glutCreateWindow(argv[0] );
+
+ Init();
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ glutIdleFunc( Idle );
+
+ glutCreateMenu(ModeMenu);
+ glutAddMenuEntry("Lit", LIT);
+ glutAddMenuEntry("Textured", TEXTURED);
+ glutAddMenuEntry("Reflect", REFLECT);
+ glutAddMenuEntry("Point Filtered", POINT_FILTER);
+ glutAddMenuEntry("Linear Filtered", LINEAR_FILTER);
+ glutAddMenuEntry("Toggle Animation", ANIMATE);
+ glutAddMenuEntry("Quit", QUIT);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/texobj.c b/progs/demos/texobj.c
new file mode 100644
index 0000000000..673923cb79
--- /dev/null
+++ b/progs/demos/texobj.c
@@ -0,0 +1,289 @@
+/* $Id: texobj.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Example of using the 1.1 texture object functions.
+ * Also, this demo utilizes Mesa's fast texture map path.
+ *
+ * Brian Paul June 1996 This file is in the public domain.
+ */
+
+
+/*
+ * $Log: texobj.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.1 1999/03/28 18:24:37 brianp
+ * minor clean-up
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/glut.h"
+
+static GLuint Window = 0;
+
+static GLuint TexObj[2];
+static GLfloat Angle = 0.0f;
+static GLboolean HaveTexObj = GL_FALSE;
+
+
+#if defined(GL_VERSION_1_1)
+# define TEXTURE_OBJECT 1
+#elif defined(GL_EXT_texture_object)
+# define TEXTURE_OBJECT 1
+# define glBindTexture(A,B) glBindTextureEXT(A,B)
+# define glGenTextures(A,B) glGenTexturesEXT(A,B)
+# define glDeleteTextures(A,B) glDeleteTexturesEXT(A,B)
+#endif
+
+
+
+
+static void draw( void )
+{
+ glDepthFunc(GL_EQUAL);
+ /* glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );*/
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glColor3f( 1.0, 1.0, 1.0 );
+
+ /* draw first polygon */
+ glPushMatrix();
+ glTranslatef( -1.0, 0.0, 0.0 );
+ glRotatef( Angle, 0.0, 0.0, 1.0 );
+ if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+ glBindTexture( GL_TEXTURE_2D, TexObj[0] );
+#endif
+ }
+ else {
+ glCallList( TexObj[0] );
+ }
+ glBegin( GL_POLYGON );
+ glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, -1.0 );
+ glTexCoord2f( 1.0, 0.0 ); glVertex2f( 1.0, -1.0 );
+ glTexCoord2f( 1.0, 1.0 ); glVertex2f( 1.0, 1.0 );
+ glTexCoord2f( 0.0, 1.0 ); glVertex2f( -1.0, 1.0 );
+ glEnd();
+ glPopMatrix();
+
+ /* draw second polygon */
+ glPushMatrix();
+ glTranslatef( 1.0, 0.0, 0.0 );
+ glRotatef( Angle-90.0, 0.0, 1.0, 0.0 );
+ if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+ glBindTexture( GL_TEXTURE_2D, TexObj[1] );
+#endif
+ }
+ else {
+ glCallList( TexObj[0] );
+ }
+ glBegin( GL_POLYGON );
+ glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, -1.0 );
+ glTexCoord2f( 1.0, 0.0 ); glVertex2f( 1.0, -1.0 );
+ glTexCoord2f( 1.0, 1.0 ); glVertex2f( 1.0, 1.0 );
+ glTexCoord2f( 0.0, 1.0 ); glVertex2f( -1.0, 1.0 );
+ glEnd();
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+
+static void idle( void )
+{
+ Angle += 2.0;
+ glutPostRedisplay();
+}
+
+
+
+/* change view Angle, exit upon ESC */
+static void key(unsigned char k, int x, int y)
+{
+ (void) x;
+ (void) y;
+ switch (k) {
+ case 27:
+#ifdef TEXTURE_OBJECT
+ glDeleteTextures( 2, TexObj );
+#endif
+ glutDestroyWindow(Window);
+ exit(0);
+ }
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+ glViewport(0, 0, (GLint)width, (GLint)height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ /* glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
+ glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void init( void )
+{
+ static int width=8, height=8;
+ static GLubyte tex1[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 1, 0, 0, 0,
+ 0, 0, 0, 1, 1, 0, 0, 0,
+ 0, 0, 0, 0, 1, 0, 0, 0,
+ 0, 0, 0, 0, 1, 0, 0, 0,
+ 0, 0, 0, 0, 1, 0, 0, 0,
+ 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0 };
+
+ static GLubyte tex2[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 2, 2, 0, 0, 0,
+ 0, 0, 2, 0, 0, 2, 0, 0,
+ 0, 0, 0, 0, 0, 2, 0, 0,
+ 0, 0, 0, 0, 2, 0, 0, 0,
+ 0, 0, 0, 2, 0, 0, 0, 0,
+ 0, 0, 2, 2, 2, 2, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0 };
+
+ GLubyte tex[64][3];
+ GLint i, j;
+
+
+ glDisable( GL_DITHER );
+
+ /* Setup texturing */
+ glEnable( GL_TEXTURE_2D );
+ glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
+ glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST );
+
+
+ /* generate texture object IDs */
+ if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+ glGenTextures( 2, TexObj );
+#endif
+ }
+ else {
+ TexObj[0] = glGenLists(2);
+ TexObj[1] = TexObj[0]+1;
+ }
+
+ /* setup first texture object */
+ if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+ glBindTexture( GL_TEXTURE_2D, TexObj[0] );
+#endif
+ }
+ else {
+ glNewList( TexObj[0], GL_COMPILE );
+ }
+ /* red on white */
+ for (i=0;i<height;i++) {
+ for (j=0;j<width;j++) {
+ int p = i*width+j;
+ if (tex1[(height-i-1)*width+j]) {
+ tex[p][0] = 255; tex[p][1] = 0; tex[p][2] = 0;
+ }
+ else {
+ tex[p][0] = 255; tex[p][1] = 255; tex[p][2] = 255;
+ }
+ }
+ }
+
+ glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, tex );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+ if (!HaveTexObj) {
+ glEndList();
+ }
+ /* end of texture object */
+
+ /* setup second texture object */
+ if (HaveTexObj) {
+#ifdef TEXTURE_OBJECT
+ glBindTexture( GL_TEXTURE_2D, TexObj[1] );
+#endif
+ }
+ else {
+ glNewList( TexObj[1], GL_COMPILE );
+ }
+ /* green on blue */
+ for (i=0;i<height;i++) {
+ for (j=0;j<width;j++) {
+ int p = i*width+j;
+ if (tex2[(height-i-1)*width+j]) {
+ tex[p][0] = 0; tex[p][1] = 255; tex[p][2] = 0;
+ }
+ else {
+ tex[p][0] = 0; tex[p][1] = 0; tex[p][2] = 255;
+ }
+ }
+ }
+ glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, tex );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+ if (!HaveTexObj) {
+ glEndList();
+ }
+ /* end texture object */
+
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(300, 300);
+ glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+ Window = glutCreateWindow("Texture Objects");
+ if (!Window) {
+ exit(1);
+ }
+
+ /* check that renderer has the GL_EXT_texture_object extension
+ * or supports OpenGL 1.1
+ */
+#ifdef TEXTURE_OBJECT
+ {
+ char *exten = (char *) glGetString( GL_EXTENSIONS );
+ char *version = (char *) glGetString( GL_VERSION );
+ if ( strstr( exten, "GL_EXT_texture_object" )
+ || strncmp( version, "1.1", 3 )==0 ) {
+ HaveTexObj = GL_TRUE;
+ }
+ }
+#endif
+
+ init();
+
+ glutReshapeFunc( reshape );
+ glutKeyboardFunc( key );
+ glutIdleFunc( idle );
+ glutDisplayFunc( draw );
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/trispd.c b/progs/demos/trispd.c
new file mode 100644
index 0000000000..a836c9d80f
--- /dev/null
+++ b/progs/demos/trispd.c
@@ -0,0 +1,277 @@
+/* $Id: trispd.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Simple GLUT program to measure triangle strip rendering speed.
+ * Brian Paul February 15, 1997 This file is in the public domain.
+ */
+
+/*
+ * $Log: trispd.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.4 1999/03/28 18:24:37 brianp
+ * minor clean-up
+ *
+ * Revision 3.3 1999/03/18 08:16:52 joukj
+ *
+ * cmpstr needs string.h to included to avoid warnings
+ *
+ * Revision 3.2 1998/07/08 03:02:00 brianp
+ * added Marten Stromberg's texture options
+ *
+ * Revision 3.1 1998/06/29 02:36:58 brianp
+ * removed unneeded includes
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+
+static float MinPeriod = 2.0; /* 2 seconds */
+static float Width = 400.0;
+static float Height = 400.0;
+static int Loops = 1;
+static int Size = 50;
+static int Texture = 0;
+
+
+
+static void Idle( void )
+{
+ glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+ float x, y;
+ float xStep;
+ float yStep;
+ double t0, t1;
+ double triRate;
+ double pixelRate;
+ int triCount;
+ int i;
+ float red[3] = { 1.0, 0.0, 0.0 };
+ float blue[3] = { 0.0, 0.0, 1.0 };
+
+ xStep = yStep = sqrt( 2.0 * Size );
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ triCount = 0;
+ t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+ if (Texture) {
+ float uStep = xStep / Width;
+ float vStep = yStep / Height;
+ float u, v;
+ for (i=0; i<Loops; i++) {
+ for (y=1.0, v=0.0f; y<Height-yStep; y+=yStep, v+=vStep) {
+ glBegin(GL_TRIANGLE_STRIP);
+ for (x=1.0, u=0.0f; x<Width; x+=xStep, u+=uStep) {
+ glColor3fv(red);
+ glTexCoord2f(u, v);
+ glVertex2f(x, y);
+ glColor3fv(blue);
+ glTexCoord2f(u, v+vStep);
+ glVertex2f(x, y+yStep);
+ triCount += 2;
+ }
+ glEnd();
+ triCount -= 2;
+ }
+ }
+ }
+ else {
+ for (i=0; i<Loops; i++) {
+ for (y=1.0; y<Height-yStep; y+=yStep) {
+ glBegin(GL_TRIANGLE_STRIP);
+ for (x=1.0; x<Width; x+=xStep) {
+ glColor3fv(red);
+ glVertex2f(x, y);
+ glColor3fv(blue);
+ glVertex2f(x, y+yStep);
+ triCount += 2;
+ }
+ glEnd();
+ triCount -= 2;
+ }
+ }
+ }
+ t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+
+ if (t1-t0 < MinPeriod) {
+ /* Next time draw more triangles to get longer elapsed time */
+ Loops *= 2;
+ return;
+ }
+
+ triRate = triCount / (t1-t0);
+ pixelRate = triRate * Size;
+ printf("Rate: %d tri in %gs = %g tri/s %d pixels/s\n",
+ triCount, t1-t0, triRate, (int)pixelRate);
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ Width = width;
+ Height = height;
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void LoadTex(int comp, int filter)
+{
+ GLubyte *pixels;
+ int x, y;
+ pixels = malloc(4*256*256);
+ for (y = 0; y < 256; ++y)
+ for (x = 0; x < 256; ++x) {
+ pixels[(y*256+x)*4+0] = (int)(128.5 + 127.0 * cos(0.024544 * x));
+ pixels[(y*256+x)*4+1] = 255;
+ pixels[(y*256+x)*4+2] = (int)(128.5 + 127.0 * cos(0.024544 * y));
+ pixels[(y*256+x)*4+3] = 255;
+ }
+ glEnable(GL_TEXTURE_2D);
+ glTexImage2D(GL_TEXTURE_2D, 0, comp, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ printf("Texture: GL_MODULATE, %d comps, %s\n", comp, filter == GL_NEAREST ? "GL_NEAREST" : "GL_LINEAR");
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+ GLint shade;
+ GLint rBits, gBits, bBits;
+ int filter = GL_NEAREST, comp = 3;
+
+ int i;
+ for (i=1; i<argc; i++) {
+ if (strcmp(argv[i],"-dither")==0)
+ glDisable(GL_DITHER);
+ else if (strcmp(argv[i],"+dither")==0)
+ glEnable(GL_DITHER);
+ else if (strcmp(argv[i],"+smooth")==0)
+ glShadeModel(GL_SMOOTH);
+ else if (strcmp(argv[i],"+flat")==0)
+ glShadeModel(GL_FLAT);
+ else if (strcmp(argv[i],"+depth")==0)
+ glEnable(GL_DEPTH_TEST);
+ else if (strcmp(argv[i],"-depth")==0)
+ glDisable(GL_DEPTH_TEST);
+ else if (strcmp(argv[i],"-size")==0) {
+ Size = atoi(argv[i+1]);
+ i++;
+ }
+ else if (strcmp(argv[i],"-texture")==0)
+ Texture = 0;
+ else if (strcmp(argv[i],"+texture")==0)
+ Texture = 1;
+ else if (strcmp(argv[i],"-linear")==0)
+ filter = GL_NEAREST;
+ else if (strcmp(argv[i],"+linear")==0)
+ filter = GL_LINEAR;
+ else if (strcmp(argv[i],"-persp")==0)
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+ else if (strcmp(argv[i],"+persp")==0)
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
+ else if (strcmp(argv[i],"-comp")==0) {
+ comp = atoi(argv[i+1]);
+ i++;
+ }
+ else
+ printf("Unknown option: %s\n", argv[i]);
+ }
+
+ glGetIntegerv(GL_SHADE_MODEL, &shade);
+
+ printf("Dither: %s\n", glIsEnabled(GL_DITHER) ? "on" : "off");
+ printf("ShadeModel: %s\n", (shade==GL_FLAT) ? "flat" : "smooth");
+ printf("DepthTest: %s\n", glIsEnabled(GL_DEPTH_TEST) ? "on" : "off");
+ printf("Size: %d pixels\n", Size);
+
+ if (Texture)
+ LoadTex(comp, filter);
+
+ glGetIntegerv(GL_RED_BITS, &rBits);
+ glGetIntegerv(GL_GREEN_BITS, &gBits);
+ glGetIntegerv(GL_BLUE_BITS, &bBits);
+ printf("RedBits: %d GreenBits: %d BlueBits: %d\n", rBits, gBits, bBits);
+}
+
+
+static void Help( const char *program )
+{
+ printf("%s options:\n", program);
+ printf(" +/-dither enable/disable dithering\n");
+ printf(" +/-depth enable/disable depth test\n");
+ printf(" +flat flat shading\n");
+ printf(" +smooth smooth shading\n");
+ printf(" -size pixels specify pixels/triangle\n");
+ printf(" +/-texture enable/disable texture\n");
+ printf(" -comp n texture format\n");
+ printf(" +/-linear bilinear texture filter\n");
+ printf(" +/-persp perspective correction hint\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+ printf("For options: %s -help\n", argv[0]);
+ glutInit( &argc, argv );
+ glutInitWindowSize( (int) Width, (int) Height );
+ glutInitWindowPosition( 0, 0 );
+
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+ glutCreateWindow( argv[0] );
+
+ if (argc==2 && strcmp(argv[1],"-help")==0) {
+ Help(argv[0]);
+ return 0;
+ }
+
+ Init( argc, argv );
+
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ glutIdleFunc( Idle );
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/demos/winpos.c b/progs/demos/winpos.c
new file mode 100644
index 0000000000..a3f931cfd3
--- /dev/null
+++ b/progs/demos/winpos.c
@@ -0,0 +1,128 @@
+/* $Id: winpos.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+
+/*
+ * Example of how to use the GL_MESA_window_pos extension.
+ * Brian Paul This file is in the public domain.
+ */
+
+
+/*
+ * $Log: winpos.c,v $
+ * Revision 1.1 1999/08/19 00:55:40 jtg
+ * Initial revision
+ *
+ * Revision 3.3 1999/03/28 18:24:37 brianp
+ * minor clean-up
+ *
+ * Revision 3.2 1998/11/05 04:34:04 brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 3.1 1998/02/22 16:36:10 brianp
+ * changed image file and set unpack alignment to 1
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "GL/glut.h"
+
+#include "../util/readtex.c" /* a hack, I know */
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+
+#ifndef M_PI
+# define M_PI 3.14159265
+#endif
+
+
+
+static GLubyte *Image;
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+
+
+
+static void draw( void )
+{
+ GLfloat angle;
+ char *extensions;
+
+ extensions = (char *) glGetString( GL_EXTENSIONS );
+ if (strstr( extensions, "GL_MESA_window_pos")==NULL) {
+ printf("Sorry, GL_MESA_window_pos extension not available.\n");
+ return;
+ }
+
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ for (angle = -45.0; angle <= 135.0; angle += 10.0) {
+ GLfloat x = 50.0 + 200.0 * cos( angle * M_PI / 180.0 );
+ GLfloat y = 50.0 + 200.0 * sin( angle * M_PI / 180.0 );
+
+ /* Don't need to worry about the modelview or projection matrices!!! */
+#ifdef GL_MESA_window_pos
+ glWindowPos2fMESA( x, y );
+#endif
+ glDrawPixels( ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image );
+ }
+}
+
+
+
+
+static void key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ }
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+ glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+
+static void init( void )
+{
+ Image = LoadRGBImage( IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat );
+ if (!Image) {
+ printf("Couldn't read %s\n", IMAGE_FILE);
+ exit(0);
+ }
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(500, 500);
+ glutInitDisplayMode( GLUT_RGB );
+
+ if (glutCreateWindow("winpos") <= 0) {
+ exit(0);
+ }
+
+ init();
+
+ glutReshapeFunc( reshape );
+ glutKeyboardFunc( key );
+ glutDisplayFunc( draw );
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/images/girl.rgb b/progs/images/girl.rgb
new file mode 100644
index 0000000000..8901e45e19
--- /dev/null
+++ b/progs/images/girl.rgb
Binary files differ
diff --git a/progs/images/reflect.rgb b/progs/images/reflect.rgb
new file mode 100644
index 0000000000..45319e9634
--- /dev/null
+++ b/progs/images/reflect.rgb
Binary files differ
diff --git a/progs/images/tile.rgb b/progs/images/tile.rgb
new file mode 100644
index 0000000000..5c1c73b06e
--- /dev/null
+++ b/progs/images/tile.rgb
Binary files differ
diff --git a/progs/redbook/Imakefile b/progs/redbook/Imakefile
new file mode 100644
index 0000000000..23a6b165ad
--- /dev/null
+++ b/progs/redbook/Imakefile
@@ -0,0 +1,222 @@
+LOCAL_LIBRARIES = $(XLIB) $(TOP)\lib\Mesaaux.a $(TOP)\lib\Mesaglu.a $(TOP)\lib\MesaGL.a
+
+INCLUDES = -I$(TOP)\include
+
+SRCS = accanti.c \
+ accnot.c \
+ accpersp.c \
+ accum.c \
+ aim.c \
+ alpha.c \
+ alpha3D.c \
+ anti.c \
+ antiindex.c \
+ antipindex.c \
+ antipoint.c \
+ antipoly.c \
+ bezcurve.c \
+ bezmesh.c \
+ bezsurf.c \
+ checker.c \
+ checker2.c \
+ chess.c \
+ clip.c \
+ colormat.c \
+ cone.c \
+ cube.c \
+ curve.c \
+ depthcue.c \
+ disk.c \
+ dof.c \
+ dofnot.c \
+ double.c \
+ drawf.c \
+ feedback.c \
+ fog.c \
+ fogindex.c \
+ font.c \
+ light.c \
+ linelist.c \
+ lines.c \
+ list.c \
+ list2.c \
+ maplight.c \
+ material.c \
+ mipmap.c \
+ model.c \
+ movelight.c \
+ nurbs.c \
+ pickdepth.c \
+ pickline.c \
+ picksquare.c \
+ plane.c \
+ planet.c \
+ planetup.c \
+ polys.c \
+ robot.c \
+ sccolorlight.c \
+ scene.c \
+ scenebamb.c \
+ sceneflat.c \
+ select.c \
+ simple.c \
+ smooth.c \
+ sphere.c \
+ stencil.c \
+ stroke.c \
+ surface.c \
+ tea.c \
+ teaambient.c \
+ teapots.c \
+ texgen.c \
+ texturesurf.c \
+ trim.c \
+ xfont.c
+
+PROGRAMS = ProgramTargetName(accanti) \
+ ProgramTargetName(accnot) \
+ ProgramTargetName(accpersp) \
+ ProgramTargetName(accum) \
+ ProgramTargetName(aim) \
+ ProgramTargetName(alpha) \
+ ProgramTargetName(alpha3D) \
+ ProgramTargetName(anti) \
+ ProgramTargetName(antiindex) \
+ ProgramTargetName(antipindex) \
+ ProgramTargetName(antipoint) \
+ ProgramTargetName(antipoly) \
+ ProgramTargetName(bezcurve) \
+ ProgramTargetName(bezmesh) \
+ ProgramTargetName(bezsurf) \
+ ProgramTargetName(checker) \
+ ProgramTargetName(checker2) \
+ ProgramTargetName(chess) \
+ ProgramTargetName(clip) \
+ ProgramTargetName(colormat) \
+ ProgramTargetName(cone) \
+ ProgramTargetName(cube) \
+ ProgramTargetName(curve) \
+ ProgramTargetName(depthcue) \
+ ProgramTargetName(disk) \
+ ProgramTargetName(dof) \
+ ProgramTargetName(dofnot) \
+ ProgramTargetName(double) \
+ ProgramTargetName(drawf) \
+ ProgramTargetName(feedback) \
+ ProgramTargetName(fog) \
+ ProgramTargetName(fogindex) \
+ ProgramTargetName(font) \
+ ProgramTargetName(light) \
+ ProgramTargetName(linelist) \
+ ProgramTargetName(lines) \
+ ProgramTargetName(list) \
+ ProgramTargetName(list2) \
+ ProgramTargetName(maplight) \
+ ProgramTargetName(material) \
+ ProgramTargetName(mipmap) \
+ ProgramTargetName(model) \
+ ProgramTargetName(movelight) \
+ ProgramTargetName(nurbs) \
+ ProgramTargetName(pickdepth) \
+ ProgramTargetName(pickline) \
+ ProgramTargetName(picksquare) \
+ ProgramTargetName(plane) \
+ ProgramTargetName(planet) \
+ ProgramTargetName(planetup) \
+ ProgramTargetName(polys) \
+ ProgramTargetName(robot) \
+ ProgramTargetName(sccolorlight) \
+ ProgramTargetName(scene) \
+ ProgramTargetName(scenebamb) \
+ ProgramTargetName(sceneflat) \
+ ProgramTargetName(select) \
+ ProgramTargetName(simple) \
+ ProgramTargetName(smooth) \
+ ProgramTargetName(sphere) \
+ ProgramTargetName(stencil) \
+ ProgramTargetName(stroke) \
+ ProgramTargetName(surface) \
+ ProgramTargetName(tea) \
+ ProgramTargetName(teaambient) \
+ ProgramTargetName(teapots) \
+ ProgramTargetName(texgen) \
+ ProgramTargetName(texturesurf) \
+ ProgramTargetName(trim) \
+ ProgramTargetName(xfont)
+
+AllTarget($(PROGRAMS))
+
+NormalProgramTarget(accanti,accanti.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(accnot,accnot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(accpersp,accpersp.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(accum,accum.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(aim,aim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(alpha,alpha.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(alpha3D,alpha3D.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(anti,anti.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(antiindex,antiindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(antipindex,antipindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(antipoint,antipoint.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(antipoly,antipoly.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(bezcurve,bezcurve.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(bezmesh,bezmesh.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(bezsurf,bezsurf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(checker,checker.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(checker2,checker2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(chess,chess.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(clip,clip.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(colormat,colormat.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(cone,cone.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(cube,cube.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(curve,curve.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(depthcue,depthcue.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(disk,disk.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(dof,dof.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(dofnot,dofnot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(double,double.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(drawf,drawf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(feedback,feedback.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(fog,fog.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(fogindex,fogindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(font,font.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(light,light.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(linelist,linelist.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(lines,lines.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(list,list.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(list2,list2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(maplight,maplight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(material,material.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(mipmap,mipmap.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(model,model.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(movelight,movelight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(nurbs,nurbs.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(pickdepth,pickdepth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(pickline,pickline.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(picksquare,picksquare.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(plane,plane.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(planet,planet.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(planetup,planetup.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(polys,polys.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(robot,robot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(sccolorlight,sccolorlight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(scene,scene.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(scenebamb,scenebamb.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(sceneflat,sceneflat.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(select,select.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(simple,simple.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(smooth,smooth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(sphere,sphere.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(stencil,stencil.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(stroke,stroke.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(surface,surface.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(tea,tea.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(teaambient,teaambient.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(teapots,teapots.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(texgen,texgen.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(texturesurf,texturesurf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(trim,trim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(xfont,xfont.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+
+DependTarget()
+
+ \ No newline at end of file
diff --git a/progs/redbook/Makefile.BeOS-R4 b/progs/redbook/Makefile.BeOS-R4
new file mode 100644
index 0000000000..f99e8edf4c
--- /dev/null
+++ b/progs/redbook/Makefile.BeOS-R4
@@ -0,0 +1,70 @@
+# $Id: Makefile.BeOS-R4,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# Makefile for OpenGL Programming Guide programs for BeOS R4
+# This file is in the public domain.
+
+
+# $Log: Makefile.BeOS-R4,v $
+# Revision 1.1 1999/08/19 00:55:40 jtg
+# Initial revision
+#
+# Revision 1.1 1999/02/25 02:13:06 brianp
+# initial check-in
+#
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -L/boot/home/config/lib -Xlinker -rpath $(LIBDIR) -lbe -lglut -lMesaGLU -lMesaGL $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \
+ bezcurve bezmesh checker clip colormat cube depthcue dof \
+ double drawf feedback fog fogindex font hello image light \
+ lines list material mipmap model movelight nurbs pickdepth \
+ picksquare plane planet polyoff polys robot sccolorlight \
+ scene scenebamb sceneflat select smooth stencil stroke surface \
+ teaambient teapots tess tesswind texbind texgen texprox texsub \
+ texturesurf torus unproject varray wrap
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ $$prog ; \
+ echo ; \
+ done
+
+
+include ../Make-config
+
diff --git a/progs/redbook/Makefile.X11 b/progs/redbook/Makefile.X11
new file mode 100644
index 0000000000..129918c241
--- /dev/null
+++ b/progs/redbook/Makefile.X11
@@ -0,0 +1,64 @@
+# $Id: Makefile.X11,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# Mesa 3-D graphics library
+# Version: 3.1
+# Copyright (C) 1995-1998 Brian Paul
+
+# Makefile for programs from the OpenGL Programming Guide
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -lglut -lGLU -lGL -lm $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \
+ bezcurve bezmesh checker clip colormat cube depthcue dof \
+ double drawf feedback fog fogindex font hello image light \
+ lines list material mipmap model movelight nurbs pickdepth \
+ picksquare plane planet polyoff polys quadric robot sccolorlight \
+ scene scenebamb sceneflat select smooth stencil stroke surface \
+ teaambient teapots tess tesswind texbind texgen texprox texsub \
+ texturesurf torus trim unproject varray wrap
+
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS ######
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ $$prog ; \
+ echo ; \
+ done
+
+
+include ../Make-config
diff --git a/progs/redbook/Makefile.win b/progs/redbook/Makefile.win
new file mode 100644
index 0000000000..79c4f67551
--- /dev/null
+++ b/progs/redbook/Makefile.win
@@ -0,0 +1,81 @@
+# Makefile for Win32
+
+TOP = ..
+
+!include "$(TOP)/names.win"
+
+!include <win32.mak>
+
+SRCS= \
+ accanti.c \
+ accnot.c \
+ accum.c \
+ aim.c \
+ alpha.c \
+ alpha3D.c \
+ anti.c \
+ antiindex.c \
+ antipindex.c \
+ antipoint.c \
+ antipoly.c \
+ bezcurve.c \
+ bezmesh.c \
+ bezsurf.c \
+ checker.c \
+ checker2.c \
+ chess.c \
+ clip.c \
+ colormat.c \
+ cone.c \
+ cube.c \
+ curve.c \
+ depthcue.c \
+ disk.c \
+ dof.c \
+ dofnot.c \
+ double.c \
+ drawf.c \
+ feedback.c \
+ fog.c \
+ fogindex.c \
+ font.c \
+ light.c \
+ linelist.c \
+ lines.c \
+ list.c \
+ list2.c \
+ maplight.c \
+ material.c \
+ mipmap.c \
+ model.c \
+ movelight.c \
+ nurbs.c \
+ pickdepth.c \
+ pickline.c \
+ picksquare.c \
+ plane.c \
+ planet.c \
+ planetup.c \
+ polys.c \
+ robot.c \
+ sccolorlight.c \
+ scene.c \
+ scenebamb.c \
+ sceneflat.c \
+ select.c \
+ smooth.c \
+ sphere.c \
+ stencil.c \
+ stroke.c \
+ surface.c \
+ tea.c \
+ teaambient.c \
+ teapots.c \
+ texgen.c \
+ texturesurf.c \
+ trim.c
+
+EXTRALIBS = $(MESAGL).lib $(MESAGLU).lib $(MESATK).lib $(MESAAUX).lib
+
+!include "$(TOP)/mesawin32.mak"
+
diff --git a/progs/redbook/README b/progs/redbook/README
new file mode 100644
index 0000000000..4c8d5a74c9
--- /dev/null
+++ b/progs/redbook/README
@@ -0,0 +1,41 @@
+/*
+ * For the software in this directory
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+
+The source code examples in this directory accompany the examples
+printed in the _OpenGL Programming Guide_, published by Addison-Wesley;
+ISBN 0-201-63274-8.
diff --git a/progs/redbook/aaindex.c b/progs/redbook/aaindex.c
new file mode 100644
index 0000000000..7dbc7b4b9b
--- /dev/null
+++ b/progs/redbook/aaindex.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * aaindex.c
+ * This program draws shows how to draw anti-aliased lines in color
+ * index mode. It draws two diagonal lines to form an X; when 'r'
+ * is typed in the window, the lines are rotated in opposite
+ * directions.
+ */
+#include <GL/glut.h>
+#include "stdlib.h"
+
+#define RAMPSIZE 16
+#define RAMP1START 32
+#define RAMP2START 48
+
+static float rotAngle = 0.;
+
+/* Initialize antialiasing for color index mode,
+ * including loading a green color ramp starting
+ * at RAMP1START, and a blue color ramp starting
+ * at RAMP2START. The ramps must be a multiple of 16.
+ */
+void init(void)
+{
+ int i;
+
+ for (i = 0; i < RAMPSIZE; i++) {
+ GLfloat shade;
+ shade = (GLfloat) i/(GLfloat) RAMPSIZE;
+ glutSetColor(RAMP1START+(GLint)i, 0., shade, 0.);
+ glutSetColor(RAMP2START+(GLint)i, 0., 0., shade);
+ }
+
+ glEnable (GL_LINE_SMOOTH);
+ glHint (GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+ glLineWidth (1.5);
+
+ glClearIndex ((GLfloat) RAMP1START);
+}
+
+/* Draw 2 diagonal lines to form an X
+ */
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glIndexi(RAMP1START);
+ glPushMatrix();
+ glRotatef(-rotAngle, 0.0, 0.0, 0.1);
+ glBegin (GL_LINES);
+ glVertex2f (-0.5, 0.5);
+ glVertex2f (0.5, -0.5);
+ glEnd ();
+ glPopMatrix();
+
+ glIndexi(RAMP2START);
+ glPushMatrix();
+ glRotatef(rotAngle, 0.0, 0.0, 0.1);
+ glBegin (GL_LINES);
+ glVertex2f (0.5, 0.5);
+ glVertex2f (-0.5, -0.5);
+ glEnd ();
+ glPopMatrix();
+
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ gluOrtho2D (-1.0, 1.0,
+ -1.0*(GLfloat)h/(GLfloat)w, 1.0*(GLfloat)h/(GLfloat)w);
+ else
+ gluOrtho2D (-1.0*(GLfloat)w/(GLfloat)h,
+ 1.0*(GLfloat)w/(GLfloat)h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'r':
+ case 'R':
+ rotAngle += 20.;
+ if (rotAngle >= 360.) rotAngle = 0.;
+ glutPostRedisplay();
+ break;
+ case 27: /* Escape Key */
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * color index display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_INDEX);
+ glutInitWindowSize (200, 200);
+ glutCreateWindow (argv[0]);
+ init();
+ glutReshapeFunc (reshape);
+ glutKeyboardFunc (keyboard);
+ glutDisplayFunc (display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/aapoly.c b/progs/redbook/aapoly.c
new file mode 100644
index 0000000000..757f0f48c4
--- /dev/null
+++ b/progs/redbook/aapoly.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * aapoly.c
+ * This program draws filled polygons with antialiased
+ * edges. The special GL_SRC_ALPHA_SATURATE blending
+ * function is used.
+ * Pressing the 't' key turns the antialiasing on and off.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+GLboolean polySmooth = GL_TRUE;
+
+static void init(void)
+{
+ glCullFace (GL_BACK);
+ glEnable (GL_CULL_FACE);
+ glBlendFunc (GL_SRC_ALPHA_SATURATE, GL_ONE);
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+#define NFACE 6
+#define NVERT 8
+void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
+ GLdouble z0, GLdouble z1)
+{
+ static GLfloat v[8][3];
+ static GLfloat c[8][4] = {
+ {0.0, 0.0, 0.0, 1.0}, {1.0, 0.0, 0.0, 1.0},
+ {0.0, 1.0, 0.0, 1.0}, {1.0, 1.0, 0.0, 1.0},
+ {0.0, 0.0, 1.0, 1.0}, {1.0, 0.0, 1.0, 1.0},
+ {0.0, 1.0, 1.0, 1.0}, {1.0, 1.0, 1.0, 1.0}
+ };
+
+/* indices of front, top, left, bottom, right, back faces */
+ static GLubyte indices[NFACE][4] = {
+ {4, 5, 6, 7}, {2, 3, 7, 6}, {0, 4, 7, 3},
+ {0, 1, 5, 4}, {1, 5, 6, 2}, {0, 3, 2, 1}
+ };
+
+ v[0][0] = v[3][0] = v[4][0] = v[7][0] = x0;
+ v[1][0] = v[2][0] = v[5][0] = v[6][0] = x1;
+ v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
+ v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
+ v[0][2] = v[1][2] = v[2][2] = v[3][2] = z0;
+ v[4][2] = v[5][2] = v[6][2] = v[7][2] = z1;
+
+#ifdef GL_VERSION_1_1
+ glEnableClientState (GL_VERTEX_ARRAY);
+ glEnableClientState (GL_COLOR_ARRAY);
+ glVertexPointer (3, GL_FLOAT, 0, v);
+ glColorPointer (4, GL_FLOAT, 0, c);
+ glDrawElements (GL_QUADS, NFACE*4, GL_UNSIGNED_BYTE, indices);
+ glDisableClientState (GL_VERTEX_ARRAY);
+ glDisableClientState (GL_COLOR_ARRAY);
+#else
+ printf ("If this is GL Version 1.0, ");
+ printf ("vertex arrays are not supported.\n");
+ exit(1);
+#endif
+}
+
+/* Note: polygons must be drawn from front to back
+ * for proper blending.
+ */
+void display(void)
+{
+ if (polySmooth) {
+ glClear (GL_COLOR_BUFFER_BIT);
+ glEnable (GL_BLEND);
+ glEnable (GL_POLYGON_SMOOTH);
+ glDisable (GL_DEPTH_TEST);
+ }
+ else {
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glDisable (GL_BLEND);
+ glDisable (GL_POLYGON_SMOOTH);
+ glEnable (GL_DEPTH_TEST);
+ }
+
+ glPushMatrix ();
+ glTranslatef (0.0, 0.0, -8.0);
+ glRotatef (30.0, 1.0, 0.0, 0.0);
+ glRotatef (60.0, 0.0, 1.0, 0.0);
+ drawCube(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5);
+ glPopMatrix ();
+
+ glFlush ();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(30.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 't':
+ case 'T':
+ polySmooth = !polySmooth;
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0); /* Escape key */
+ break;
+ default:
+ break;
+ }
+}
+
+/* Main Loop
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+ | GLUT_ALPHA | GLUT_DEPTH);
+ glutInitWindowSize(200, 200);
+ glutCreateWindow(argv[0]);
+ init ();
+ glutReshapeFunc (reshape);
+ glutKeyboardFunc (keyboard);
+ glutDisplayFunc (display);
+ glutMainLoop();
+ return 0;
+}
+
diff --git a/progs/redbook/aargb.c b/progs/redbook/aargb.c
new file mode 100644
index 0000000000..f51984170e
--- /dev/null
+++ b/progs/redbook/aargb.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * aargb.c
+ * This program draws shows how to draw anti-aliased lines. It draws
+ * two diagonal lines to form an X; when 'r' is typed in the window,
+ * the lines are rotated in opposite directions.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+static float rotAngle = 0.;
+
+/* Initialize antialiasing for RGBA mode, including alpha
+ * blending, hint, and line width. Print out implementation
+ * specific info on line width granularity and width.
+ */
+void init(void)
+{
+ GLfloat values[2];
+ glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
+ printf ("GL_LINE_WIDTH_GRANULARITY value is %3.1f\n", values[0]);
+
+ glGetFloatv (GL_LINE_WIDTH_RANGE, values);
+ printf ("GL_LINE_WIDTH_RANGE values are %3.1f %3.1f\n",
+ values[0], values[1]);
+
+ glEnable (GL_LINE_SMOOTH);
+ glEnable (GL_BLEND);
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glHint (GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+ glLineWidth (1.5);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+}
+
+/* Draw 2 diagonal lines to form an X
+ */
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glColor3f (0.0, 1.0, 0.0);
+ glPushMatrix();
+ glRotatef(-rotAngle, 0.0, 0.0, 0.1);
+ glBegin (GL_LINES);
+ glVertex2f (-0.5, 0.5);
+ glVertex2f (0.5, -0.5);
+ glEnd ();
+ glPopMatrix();
+
+ glColor3f (0.0, 0.0, 1.0);
+ glPushMatrix();
+ glRotatef(rotAngle, 0.0, 0.0, 0.1);
+ glBegin (GL_LINES);
+ glVertex2f (0.5, 0.5);
+ glVertex2f (-0.5, -0.5);
+ glEnd ();
+ glPopMatrix();
+
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ gluOrtho2D (-1.0, 1.0,
+ -1.0*(GLfloat)h/(GLfloat)w, 1.0*(GLfloat)h/(GLfloat)w);
+ else
+ gluOrtho2D (-1.0*(GLfloat)w/(GLfloat)h,
+ 1.0*(GLfloat)w/(GLfloat)h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'r':
+ case 'R':
+ rotAngle += 20.;
+ if (rotAngle >= 360.) rotAngle = 0.;
+ glutPostRedisplay();
+ break;
+ case 27: /* Escape Key */
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (200, 200);
+ glutCreateWindow (argv[0]);
+ init();
+ glutReshapeFunc (reshape);
+ glutKeyboardFunc (keyboard);
+ glutDisplayFunc (display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/accanti.c b/progs/redbook/accanti.c
new file mode 100644
index 0000000000..d45cf9e64e
--- /dev/null
+++ b/progs/redbook/accanti.c
@@ -0,0 +1,168 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/* accanti.c
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+#include "jitter.h"
+
+/* Initialize lighting and other values.
+ */
+void myinit(void)
+{
+ GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_position[] = { 0.0, 0.0, 10.0, 1.0 };
+ GLfloat lm_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel (GL_FLAT);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearAccum(0.0, 0.0, 0.0, 0.0);
+}
+
+void displayObjects(void)
+{
+ GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+ GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
+ GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 };
+ GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 };
+
+ glPushMatrix ();
+ glRotatef (30.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.80, 0.35, 0.0);
+ glRotatef (100.0, 1.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
+ glutSolidTorus (0.275, 0.85, 16, 16);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.50, 0.0);
+ glRotatef (45.0, 0.0, 0.0, 1.0);
+ glRotatef (45.0, 1.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
+ glutSolidCube (1.5);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.60, 0.0);
+ glRotatef (30.0, 1.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
+ glutSolidSphere (1.0, 16, 16);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.70, -0.90, 0.25);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
+ glutSolidOctahedron ();
+ glPopMatrix ();
+
+ glPopMatrix ();
+}
+
+#define ACSIZE 8
+
+void display(void)
+{
+ GLint viewport[4];
+ int jitter;
+
+ glGetIntegerv (GL_VIEWPORT, viewport);
+
+ glClear(GL_ACCUM_BUFFER_BIT);
+ for (jitter = 0; jitter < ACSIZE; jitter++) {
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix ();
+/* Note that 4.5 is the distance in world space between
+ * left and right and bottom and top.
+ * This formula converts fractional pixel movement to
+ * world coordinates.
+ */
+ glTranslatef (j8[jitter].x*4.5/viewport[2],
+ j8[jitter].y*4.5/viewport[3], 0.0);
+ displayObjects ();
+ glPopMatrix ();
+ glAccum(GL_ACCUM, 1.0/ACSIZE);
+ }
+ glAccum (GL_RETURN, 1.0);
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-2.25, 2.25, -2.25*h/w, 2.25*h/w, -10.0, 10.0);
+ else
+ glOrtho (-2.25*w/h, 2.25*w/h, -2.25, 2.25, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+ | GLUT_ACCUM | GLUT_DEPTH);
+ glutInitWindowSize (250, 250);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/accpersp.c b/progs/redbook/accpersp.c
new file mode 100644
index 0000000000..46e369ae63
--- /dev/null
+++ b/progs/redbook/accpersp.c
@@ -0,0 +1,240 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* accpersp.c
+ * Use the accumulation buffer to do full-scene antialiasing
+ * on a scene with perspective projection, using the special
+ * routines accFrustum() and accPerspective().
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "jitter.h"
+
+#define PI_ 3.14159265358979323846
+
+/* accFrustum()
+ * The first 6 arguments are identical to the glFrustum() call.
+ *
+ * pixdx and pixdy are anti-alias jitter in pixels.
+ * Set both equal to 0.0 for no anti-alias jitter.
+ * eyedx and eyedy are depth-of field jitter in pixels.
+ * Set both equal to 0.0 for no depth of field effects.
+ *
+ * focus is distance from eye to plane in focus.
+ * focus must be greater than, but not equal to 0.0.
+ *
+ * Note that accFrustum() calls glTranslatef(). You will
+ * probably want to insure that your ModelView matrix has been
+ * initialized to identity before calling accFrustum().
+ */
+void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
+ GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
+ GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+ GLdouble xwsize, ywsize;
+ GLdouble dx, dy;
+ GLint viewport[4];
+
+ glGetIntegerv (GL_VIEWPORT, viewport);
+
+ xwsize = right - left;
+ ywsize = top - bottom;
+
+ dx = -(pixdx*xwsize/(GLdouble) viewport[2] + eyedx*nnear/focus);
+ dy = -(pixdy*ywsize/(GLdouble) viewport[3] + eyedy*nnear/focus);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum (left + dx, right + dx, bottom + dy, top + dy, nnear, ffar);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef (-eyedx, -eyedy, 0.0);
+}
+
+/* accPerspective()
+ *
+ * The first 4 arguments are identical to the gluPerspective() call.
+ * pixdx and pixdy are anti-alias jitter in pixels.
+ * Set both equal to 0.0 for no anti-alias jitter.
+ * eyedx and eyedy are depth-of field jitter in pixels.
+ * Set both equal to 0.0 for no depth of field effects.
+ *
+ * focus is distance from eye to plane in focus.
+ * focus must be greater than, but not equal to 0.0.
+ *
+ * Note that accPerspective() calls accFrustum().
+ */
+void accPerspective(GLdouble fovy, GLdouble aspect,
+ GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
+ GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+ GLdouble fov2,left,right,bottom,top;
+
+ fov2 = ((fovy*PI_) / 180.0) / 2.0;
+
+ top = nnear / (cos(fov2) / sin(fov2));
+ bottom = -top;
+
+ right = top * aspect;
+ left = -right;
+
+ accFrustum (left, right, bottom, top, nnear, ffar,
+ pixdx, pixdy, eyedx, eyedy, focus);
+}
+
+/* Initialize lighting and other values.
+ */
+void init(void)
+{
+ GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_position[] = { 0.0, 0.0, 10.0, 1.0 };
+ GLfloat lm_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel (GL_FLAT);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearAccum(0.0, 0.0, 0.0, 0.0);
+}
+
+void displayObjects(void)
+{
+ GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+ GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
+ GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 };
+ GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 };
+
+ glPushMatrix ();
+ glTranslatef (0.0, 0.0, -5.0);
+ glRotatef (30.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.80, 0.35, 0.0);
+ glRotatef (100.0, 1.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
+ glutSolidTorus (0.275, 0.85, 16, 16);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.50, 0.0);
+ glRotatef (45.0, 0.0, 0.0, 1.0);
+ glRotatef (45.0, 1.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
+ glutSolidCube (1.5);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.60, 0.0);
+ glRotatef (30.0, 1.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
+ glutSolidSphere (1.0, 16, 16);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.70, -0.90, 0.25);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
+ glutSolidOctahedron ();
+ glPopMatrix ();
+
+ glPopMatrix ();
+}
+
+#define ACSIZE 8
+
+void display(void)
+{
+ GLint viewport[4];
+ int jitter;
+
+ glGetIntegerv (GL_VIEWPORT, viewport);
+
+ glClear(GL_ACCUM_BUFFER_BIT);
+ for (jitter = 0; jitter < ACSIZE; jitter++) {
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ accPerspective (50.0,
+ (GLdouble) viewport[2]/(GLdouble) viewport[3],
+ 1.0, 15.0, j8[jitter].x, j8[jitter].y, 0.0, 0.0, 1.0);
+ displayObjects ();
+ glAccum(GL_ACCUM, 1.0/ACSIZE);
+ }
+ glAccum (GL_RETURN, 1.0);
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/* Main Loop
+ * Be certain you request an accumulation buffer.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+ | GLUT_ACCUM | GLUT_DEPTH);
+ glutInitWindowSize (250, 250);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutDisplayFunc(display);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/alpha.c b/progs/redbook/alpha.c
new file mode 100644
index 0000000000..6eeb45b96f
--- /dev/null
+++ b/progs/redbook/alpha.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * alpha.c
+ * This program draws several overlapping filled polygons
+ * to demonstrate the effect order has on alpha blending results.
+ * Use the 't' key to toggle the order of drawing polygons.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int leftFirst = GL_TRUE;
+
+/* Initialize alpha blending function.
+ */
+static void init(void)
+{
+ glEnable (GL_BLEND);
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glShadeModel (GL_FLAT);
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+ /* draw yellow triangle on LHS of screen */
+
+ glBegin (GL_TRIANGLES);
+ glColor4f(1.0, 1.0, 0.0, 0.75);
+ glVertex3f(0.1, 0.9, 0.0);
+ glVertex3f(0.1, 0.1, 0.0);
+ glVertex3f(0.7, 0.5, 0.0);
+ glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+ /* draw cyan triangle on RHS of screen */
+
+ glBegin (GL_TRIANGLES);
+ glColor4f(0.0, 1.0, 1.0, 0.75);
+ glVertex3f(0.9, 0.9, 0.0);
+ glVertex3f(0.3, 0.5, 0.0);
+ glVertex3f(0.9, 0.1, 0.0);
+ glEnd();
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ if (leftFirst) {
+ drawLeftTriangle();
+ drawRightTriangle();
+ }
+ else {
+ drawRightTriangle();
+ drawLeftTriangle();
+ }
+
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+ else
+ gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 't':
+ case 'T':
+ leftFirst = !leftFirst;
+ glutPostRedisplay();
+ break;
+ case 27: /* Escape key */
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (200, 200);
+ glutCreateWindow (argv[0]);
+ init();
+ glutReshapeFunc (reshape);
+ glutKeyboardFunc (keyboard);
+ glutDisplayFunc (display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/alpha3D.c b/progs/redbook/alpha3D.c
new file mode 100644
index 0000000000..413836edd5
--- /dev/null
+++ b/progs/redbook/alpha3D.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * alpha3D.c
+ * This program demonstrates how to intermix opaque and
+ * alpha blended polygons in the same scene, by using
+ * glDepthMask. Press the 'a' key to animate moving the
+ * transparent object through the opaque object. Press
+ * the 'r' key to reset the scene.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+#define MAXZ 8.0
+#define MINZ -8.0
+#define ZINC 0.4
+
+static float solidZ = MAXZ;
+static float transparentZ = MINZ;
+static GLuint sphereList, cubeList;
+
+static void init(void)
+{
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 0.15 };
+ GLfloat mat_shininess[] = { 100.0 };
+ GLfloat position[] = { 0.5, 0.5, 1.0, 0.0 };
+
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+
+ sphereList = glGenLists(1);
+ glNewList(sphereList, GL_COMPILE);
+ glutSolidSphere (0.4, 16, 16);
+ glEndList();
+
+ cubeList = glGenLists(1);
+ glNewList(cubeList, GL_COMPILE);
+ glutSolidCube (0.6);
+ glEndList();
+}
+
+void display(void)
+{
+ GLfloat mat_solid[] = { 0.75, 0.75, 0.0, 1.0 };
+ GLfloat mat_zero[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat mat_transparent[] = { 0.0, 0.8, 0.8, 0.6 };
+ GLfloat mat_emission[] = { 0.0, 0.3, 0.3, 0.6 };
+
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glTranslatef (-0.15, -0.15, solidZ);
+ glMaterialfv(GL_FRONT, GL_EMISSION, mat_zero);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_solid);
+ glCallList (sphereList);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.15, 0.15, transparentZ);
+ glRotatef (15.0, 1.0, 1.0, 0.0);
+ glRotatef (30.0, 0.0, 1.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_transparent);
+ glEnable (GL_BLEND);
+ glDepthMask (GL_FALSE);
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE);
+ glCallList (cubeList);
+ glDepthMask (GL_TRUE);
+ glDisable (GL_BLEND);
+ glPopMatrix ();
+
+ glutSwapBuffers();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLint) w, (GLint) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
+ 1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
+ 1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+void animate(void)
+{
+ if (solidZ <= MINZ || transparentZ >= MAXZ)
+ glutIdleFunc(NULL);
+ else {
+ solidZ -= ZINC;
+ transparentZ += ZINC;
+ glutPostRedisplay();
+ }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'a':
+ case 'A':
+ solidZ = MAXZ;
+ transparentZ = MINZ;
+ glutIdleFunc(animate);
+ break;
+ case 'r':
+ case 'R':
+ solidZ = MAXZ;
+ transparentZ = MINZ;
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(500, 500);
+ glutCreateWindow(argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/anti.c b/progs/redbook/anti.c
new file mode 100644
index 0000000000..12aa5f8a21
--- /dev/null
+++ b/progs/redbook/anti.c
@@ -0,0 +1,111 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * anti.c
+ * This program draws antialiased lines in RGBA mode.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+/* Initialize antialiasing for RGBA mode, including alpha
+ * blending, hint, and line width. Print out implementation
+ * specific info on line width granularity and width.
+ */
+void myinit(void)
+{
+ GLfloat values[2];
+ glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
+ printf ("GL_LINE_WIDTH_GRANULARITY value is %3.1f\n", values[0]);
+
+ glGetFloatv (GL_LINE_WIDTH_RANGE, values);
+ printf ("GL_LINE_WIDTH_RANGE values are %3.1f %3.1f\n",
+ values[0], values[1]);
+
+ glEnable (GL_LINE_SMOOTH);
+ glEnable (GL_BLEND);
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glHint (GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+ glLineWidth (1.5);
+
+ glShadeModel(GL_FLAT);
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+/* display() draws an icosahedron with a large alpha value, 1.0.
+ */
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glColor4f (1.0, 1.0, 1.0, 1.0);
+ glutWireIcosahedron();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective (45.0, (GLfloat) w/(GLfloat) h, 3.0, 5.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity ();
+ glTranslatef (0.0, 0.0, -4.0); /* move object into view */
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
+
diff --git a/progs/redbook/bezcurve.c b/progs/redbook/bezcurve.c
new file mode 100644
index 0000000000..5dee440396
--- /dev/null
+++ b/progs/redbook/bezcurve.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* bezcurve.c
+ * This program uses evaluators to draw a Bezier curve.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLfloat ctrlpoints[4][3] = {
+ { -4.0, -4.0, 0.0}, { -2.0, 4.0, 0.0},
+ {2.0, -4.0, 0.0}, {4.0, 4.0, 0.0}};
+
+void init(void)
+{
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glShadeModel(GL_FLAT);
+ glMap1f(GL_MAP1_VERTEX_3, 0.0, 1.0, 3, 4, &ctrlpoints[0][0]);
+ glEnable(GL_MAP1_VERTEX_3);
+}
+
+void display(void)
+{
+ int i;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f(1.0, 1.0, 1.0);
+ glBegin(GL_LINE_STRIP);
+ for (i = 0; i <= 30; i++)
+ glEvalCoord1f((GLfloat) i/30.0);
+ glEnd();
+ /* The following code displays the control points as dots. */
+ glPointSize(5.0);
+ glColor3f(1.0, 1.0, 0.0);
+ glBegin(GL_POINTS);
+ for (i = 0; i < 4; i++)
+ glVertex3fv(&ctrlpoints[i][0]);
+ glEnd();
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(-5.0, 5.0, -5.0*(GLfloat)h/(GLfloat)w,
+ 5.0*(GLfloat)h/(GLfloat)w, -5.0, 5.0);
+ else
+ glOrtho(-5.0*(GLfloat)w/(GLfloat)h,
+ 5.0*(GLfloat)w/(GLfloat)h, -5.0, 5.0, -5.0, 5.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/bezmesh.c b/progs/redbook/bezmesh.c
new file mode 100644
index 0000000000..eb7f0f7a84
--- /dev/null
+++ b/progs/redbook/bezmesh.c
@@ -0,0 +1,148 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/* bezsurf.c
+ * This program renders a lighted, filled Bezier surface,
+ * using two-dimensional evaluators.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLfloat ctrlpoints[4][4][3] =
+{
+ {
+ {-1.5, -1.5, 4.0},
+ {-0.5, -1.5, 2.0},
+ {0.5, -1.5, -1.0},
+ {1.5, -1.5, 2.0}},
+ {
+ {-1.5, -0.5, 1.0},
+ {-0.5, -0.5, 3.0},
+ {0.5, -0.5, 0.0},
+ {1.5, -0.5, -1.0}},
+ {
+ {-1.5, 0.5, 4.0},
+ {-0.5, 0.5, 0.0},
+ {0.5, 0.5, 3.0},
+ {1.5, 0.5, 4.0}},
+ {
+ {-1.5, 1.5, -2.0},
+ {-0.5, 1.5, -2.0},
+ {0.5, 1.5, 0.0},
+ {1.5, 1.5, -1.0}}
+};
+
+void
+initlights(void)
+{
+ GLfloat ambient[] =
+ {0.2, 0.2, 0.2, 1.0};
+ GLfloat position[] =
+ {0.0, 0.0, 2.0, 1.0};
+ GLfloat mat_diffuse[] =
+ {0.6, 0.6, 0.6, 1.0};
+ GLfloat mat_specular[] =
+ {1.0, 1.0, 1.0, 1.0};
+ GLfloat mat_shininess[] =
+ {50.0};
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+}
+
+void
+display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix();
+ glRotatef(85.0, 1.0, 1.0, 1.0);
+ glEvalMesh2(GL_FILL, 0, 20, 0, 20);
+ glPopMatrix();
+ glFlush();
+}
+
+void
+myinit(void)
+{
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glEnable(GL_DEPTH_TEST);
+ glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
+ 0, 1, 12, 4, &ctrlpoints[0][0][0]);
+ glEnable(GL_MAP2_VERTEX_3);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+ glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0);
+ initlights(); /* for lighted version only */
+}
+
+void
+myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w,
+ 4.0 * (GLfloat) h / (GLfloat) w, -4.0, 4.0);
+ else
+ glOrtho(-4.0 * (GLfloat) w / (GLfloat) h,
+ 4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -4.0, 4.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/checker.c b/progs/redbook/checker.c
new file mode 100644
index 0000000000..34853b0c6e
--- /dev/null
+++ b/progs/redbook/checker.c
@@ -0,0 +1,125 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/* checker.c
+ * This program texture maps a checkerboard image onto
+ * two rectangles. This program clamps the texture, if
+ * the texture coordinates fall outside 0.0 and 1.0.
+ */
+#include <GL/glut.h>
+
+/* Create checkerboard texture */
+#define checkImageWidth 64
+#define checkImageHeight 64
+GLubyte checkImage[checkImageWidth][checkImageHeight][3];
+
+void makeCheckImage(void)
+{
+ int i, j, c;
+
+ for (i = 0; i < checkImageWidth; i++) {
+ for (j = 0; j < checkImageHeight; j++) {
+ c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+ checkImage[i][j][0] = (GLubyte) c;
+ checkImage[i][j][1] = (GLubyte) c;
+ checkImage[i][j][2] = (GLubyte) c;
+ }
+ }
+}
+
+void myinit(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+
+ makeCheckImage();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth,
+ checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE,
+ &checkImage[0][0][0]);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glEnable(GL_TEXTURE_2D);
+ glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 1.0); glVertex3f(-2.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 1.0); glVertex3f(0.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+
+ glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 1.0); glVertex3f(1.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 1.0); glVertex3f(2.41421, 1.0, -1.41421);
+ glTexCoord2f(1.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+ glEnd();
+ glutSwapBuffers();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -3.6);
+}
+
+int
+main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow("checker");
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/clip.c b/progs/redbook/clip.c
new file mode 100644
index 0000000000..90816f2e27
--- /dev/null
+++ b/progs/redbook/clip.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * clip.c
+ * This program demonstrates arbitrary clipping planes.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ GLdouble eqn[4] = {0.0, 1.0, 0.0, 0.0};
+ GLdouble eqn2[4] = {1.0, 0.0, 0.0, 0.0};
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glColor3f (1.0, 1.0, 1.0);
+ glPushMatrix();
+ glTranslatef (0.0, 0.0, -5.0);
+
+/* clip lower half -- y < 0 */
+ glClipPlane (GL_CLIP_PLANE0, eqn);
+ glEnable (GL_CLIP_PLANE0);
+/* clip left half -- x < 0 */
+ glClipPlane (GL_CLIP_PLANE1, eqn2);
+ glEnable (GL_CLIP_PLANE1);
+
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutWireSphere(1.0, 20, 16);
+ glPopMatrix();
+
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+ glMatrixMode (GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/colormat.c b/progs/redbook/colormat.c
new file mode 100644
index 0000000000..9db4491bac
--- /dev/null
+++ b/progs/redbook/colormat.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * colormat.c
+ * After initialization, the program will be in
+ * ColorMaterial mode. Interaction: pressing the
+ * mouse buttons will change the diffuse reflection values.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLfloat diffuseMaterial[4] = { 0.5, 0.5, 0.5, 1.0 };
+
+/* Initialize material property, light source, lighting model,
+ * and depth buffer.
+ */
+void init(void)
+{
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseMaterial);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialf(GL_FRONT, GL_SHININESS, 25.0);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glColorMaterial(GL_FRONT, GL_DIFFUSE);
+ glEnable(GL_COLOR_MATERIAL);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glutSolidSphere(1.0, 20, 16);
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
+ 1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
+ 1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y)
+{
+ switch (button) {
+ case GLUT_LEFT_BUTTON:
+ if (state == GLUT_DOWN) {
+ diffuseMaterial[0] += 0.1;
+ if (diffuseMaterial[0] > 1.0)
+ diffuseMaterial[0] = 0.0;
+ glColor4fv(diffuseMaterial);
+ glutPostRedisplay();
+ }
+ break;
+ case GLUT_MIDDLE_BUTTON:
+ if (state == GLUT_DOWN) {
+ diffuseMaterial[1] += 0.1;
+ if (diffuseMaterial[1] > 1.0)
+ diffuseMaterial[1] = 0.0;
+ glColor4fv(diffuseMaterial);
+ glutPostRedisplay();
+ }
+ break;
+ case GLUT_RIGHT_BUTTON:
+ if (state == GLUT_DOWN) {
+ diffuseMaterial[2] += 0.1;
+ if (diffuseMaterial[2] > 1.0)
+ diffuseMaterial[2] = 0.0;
+ glColor4fv(diffuseMaterial);
+ glutPostRedisplay();
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMouseFunc(mouse);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/cube.c b/progs/redbook/cube.c
new file mode 100644
index 0000000000..5ecc6280f3
--- /dev/null
+++ b/progs/redbook/cube.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * cube.c
+ * This program demonstrates a single modeling transformation,
+ * glScalef() and a single viewing transformation, gluLookAt().
+ * A wireframe cube is rendered.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT);
+ glColor3f (1.0, 1.0, 1.0);
+ glLoadIdentity (); /* clear the matrix */
+ /* viewing transformation */
+ gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+ glScalef (1.0, 2.0, 1.0); /* modeling transformation */
+ glutWireCube (1.0);
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0);
+ glMatrixMode (GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/depthcue.c b/progs/redbook/depthcue.c
new file mode 100644
index 0000000000..41af19cf96
--- /dev/null
+++ b/progs/redbook/depthcue.c
@@ -0,0 +1,102 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * depthcue.c
+ * This program draws a wireframe model, which uses
+ * intensity (brightness) to give clues to distance.
+ * Fog is used to achieve this effect.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize linear fog for depth cueing.
+ */
+void myinit(void)
+{
+ GLfloat fogColor[4] = {0.0, 0.0, 0.0, 1.0};
+
+ glEnable(GL_FOG);
+ glFogi (GL_FOG_MODE, GL_LINEAR);
+ glHint (GL_FOG_HINT, GL_NICEST); /* per pixel */
+ glFogf (GL_FOG_START, 3.0);
+ glFogf (GL_FOG_END, 5.0);
+ glFogfv (GL_FOG_COLOR, fogColor);
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel(GL_FLAT);
+}
+
+/* display() draws an icosahedron.
+ */
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glColor3f (1.0, 1.0, 1.0);
+ glutWireIcosahedron();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective (45.0, (GLfloat) w/(GLfloat) h, 3.0, 5.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity ();
+ glTranslatef (0.0, 0.0, -4.0); /* move object into view */
+}
+
+/* Main Loop
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
+
diff --git a/progs/redbook/dof.c b/progs/redbook/dof.c
new file mode 100644
index 0000000000..166ca9e62f
--- /dev/null
+++ b/progs/redbook/dof.c
@@ -0,0 +1,238 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * dof.c
+ * This program demonstrates use of the accumulation buffer to
+ * create an out-of-focus depth-of-field effect. The teapots
+ * are drawn several times into the accumulation buffer. The
+ * viewing volume is jittered, except at the focal point, where
+ * the viewing volume is at the same position, each time. In
+ * this case, the gold teapot remains in focus.
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "jitter.h"
+
+#define PI_ 3.14159265358979323846
+
+/* accFrustum()
+ * The first 6 arguments are identical to the glFrustum() call.
+ *
+ * pixdx and pixdy are anti-alias jitter in pixels.
+ * Set both equal to 0.0 for no anti-alias jitter.
+ * eyedx and eyedy are depth-of field jitter in pixels.
+ * Set both equal to 0.0 for no depth of field effects.
+ *
+ * focus is distance from eye to plane in focus.
+ * focus must be greater than, but not equal to 0.0.
+ *
+ * Note that accFrustum() calls glTranslatef(). You will
+ * probably want to insure that your ModelView matrix has been
+ * initialized to identity before calling accFrustum().
+ */
+void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
+ GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
+ GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+ GLdouble xwsize, ywsize;
+ GLdouble dx, dy;
+ GLint viewport[4];
+
+ glGetIntegerv (GL_VIEWPORT, viewport);
+
+ xwsize = right - left;
+ ywsize = top - bottom;
+
+ dx = -(pixdx*xwsize/(GLdouble) viewport[2] + eyedx*nnear/focus);
+ dy = -(pixdy*ywsize/(GLdouble) viewport[3] + eyedy*nnear/focus);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum (left + dx, right + dx, bottom + dy, top + dy, nnear, ffar);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef (-eyedx, -eyedy, 0.0);
+}
+
+/* accPerspective()
+ *
+ * The first 4 arguments are identical to the gluPerspective() call.
+ * pixdx and pixdy are anti-alias jitter in pixels.
+ * Set both equal to 0.0 for no anti-alias jitter.
+ * eyedx and eyedy are depth-of field jitter in pixels.
+ * Set both equal to 0.0 for no depth of field effects.
+ *
+ * focus is distance from eye to plane in focus.
+ * focus must be greater than, but not equal to 0.0.
+ *
+ * Note that accPerspective() calls accFrustum().
+ */
+void accPerspective(GLdouble fovy, GLdouble aspect,
+ GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
+ GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+ GLdouble fov2,left,right,bottom,top;
+
+ fov2 = ((fovy*PI_) / 180.0) / 2.0;
+
+ top = nnear / (cos(fov2) / sin(fov2));
+ bottom = -top;
+
+ right = top * aspect;
+ left = -right;
+
+ accFrustum (left, right, bottom, top, nnear, ffar,
+ pixdx, pixdy, eyedx, eyedy, focus);
+}
+
+void myinit(void)
+{
+ GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat position[] = { 0.0, 3.0, 3.0, 0.0 };
+
+ GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+ GLfloat local_view[] = { 0.0 };
+
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+ glFrontFace (GL_CW);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearAccum(0.0, 0.0, 0.0, 0.0);
+}
+
+void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
+ GLfloat ambr, GLfloat ambg, GLfloat ambb,
+ GLfloat difr, GLfloat difg, GLfloat difb,
+ GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
+{
+ float mat[4];
+
+ glPushMatrix();
+ glTranslatef (x, y, z);
+ mat[0] = ambr; mat[1] = ambg; mat[2] = ambb; mat[3] = 1.0;
+ glMaterialfv (GL_FRONT, GL_AMBIENT, mat);
+ mat[0] = difr; mat[1] = difg; mat[2] = difb;
+ glMaterialfv (GL_FRONT, GL_DIFFUSE, mat);
+ mat[0] = specr; mat[1] = specg; mat[2] = specb;
+ glMaterialfv (GL_FRONT, GL_SPECULAR, mat);
+ glMaterialf (GL_FRONT, GL_SHININESS, shine*128.0);
+ glutSolidTeapot(0.5);
+ glPopMatrix();
+}
+
+/* display() draws 5 teapots into the accumulation buffer
+ * several times; each time with a jittered perspective.
+ * The focal point is at z = 5.0, so the gold teapot will
+ * stay in focus. The amount of jitter is adjusted by the
+ * magnitude of the accPerspective() jitter; in this example, 0.33.
+ * In this example, the teapots are drawn 8 times. See jitter.h
+ */
+void display(void)
+{
+ int jitter;
+ GLint viewport[4];
+
+ glGetIntegerv (GL_VIEWPORT, viewport);
+ glClear(GL_ACCUM_BUFFER_BIT);
+
+ for (jitter = 0; jitter < 8; jitter++) {
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ accPerspective (45.0,
+ (GLdouble) viewport[2]/(GLdouble) viewport[3],
+ 1.0, 15.0, 0.0, 0.0,
+ 0.33*j8[jitter].x, 0.33*j8[jitter].y, 5.0);
+/* ruby, gold, silver, emerald, and cyan teapots */
+ renderTeapot (-1.1, -0.5, -4.5, 0.1745, 0.01175, 0.01175,
+ 0.61424, 0.04136, 0.04136, 0.727811, 0.626959, 0.626959, 0.6);
+ renderTeapot (-0.5, -0.5, -5.0, 0.24725, 0.1995, 0.0745,
+ 0.75164, 0.60648, 0.22648, 0.628281, 0.555802, 0.366065, 0.4);
+ renderTeapot (0.2, -0.5, -5.5, 0.19225, 0.19225, 0.19225,
+ 0.50754, 0.50754, 0.50754, 0.508273, 0.508273, 0.508273, 0.4);
+ renderTeapot (1.0, -0.5, -6.0, 0.0215, 0.1745, 0.0215,
+ 0.07568, 0.61424, 0.07568, 0.633, 0.727811, 0.633, 0.6);
+ renderTeapot (1.8, -0.5, -6.5, 0.0, 0.1, 0.06, 0.0, 0.50980392,
+ 0.50980392, 0.50196078, 0.50196078, 0.50196078, .25);
+ glAccum (GL_ACCUM, 0.125);
+ }
+
+ glAccum (GL_RETURN, 1.0);
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, depth buffer, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+ | GLUT_ACCUM | GLUT_DEPTH);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
+
diff --git a/progs/redbook/double.c b/progs/redbook/double.c
new file mode 100644
index 0000000000..65dfd4b2a3
--- /dev/null
+++ b/progs/redbook/double.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * double.c
+ * This is a simple double buffered program.
+ * Pressing the left mouse button rotates the rectangle.
+ * Pressing the middle mouse button stops the rotation.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static GLfloat spin = 0.0;
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glPushMatrix();
+ glRotatef(spin, 0.0, 0.0, 1.0);
+ glColor3f(1.0, 1.0, 1.0);
+ glRectf(-25.0, -25.0, 25.0, 25.0);
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+void spinDisplay(void)
+{
+ spin = spin + 2.0;
+ if (spin > 360.0)
+ spin = spin - 360.0;
+ glutPostRedisplay();
+}
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void reshape(int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-50.0, 50.0, -50.0, 50.0, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y)
+{
+ switch (button) {
+ case GLUT_LEFT_BUTTON:
+ if (state == GLUT_DOWN)
+ glutIdleFunc(spinDisplay);
+ break;
+ case GLUT_MIDDLE_BUTTON:
+ if (state == GLUT_DOWN)
+ glutIdleFunc(NULL);
+ break;
+ default:
+ break;
+ }
+}
+
+/*
+ * Request double buffer display mode.
+ * Register mouse input callback functions
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
+ glutInitWindowSize (250, 250);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMouseFunc(mouse);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/drawf.c b/progs/redbook/drawf.c
new file mode 100644
index 0000000000..5bcccb6aea
--- /dev/null
+++ b/progs/redbook/drawf.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * drawf.c
+ * Draws the bitmapped letter F on the screen (several times).
+ * This demonstrates use of the glBitmap() call.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLubyte rasters[24] = {
+ 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00,
+ 0xff, 0x00, 0xff, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00,
+ 0xff, 0xc0, 0xff, 0xc0};
+
+void init(void)
+{
+ glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f (1.0, 1.0, 1.0);
+ glRasterPos2i (20, 20);
+ glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
+ glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
+ glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho (0, w, 0, h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize(100, 100);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/feedback.c b/progs/redbook/feedback.c
new file mode 100644
index 0000000000..4981854d95
--- /dev/null
+++ b/progs/redbook/feedback.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * feedback.c
+ * This program demonstrates use of OpenGL feedback. First,
+ * a lighting environment is set up and a few lines are drawn.
+ * Then feedback mode is entered, and the same lines are
+ * drawn. The results in the feedback buffer are printed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* Initialize lighting.
+ */
+void init(void)
+{
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+}
+
+/* Draw a few lines and two points, one of which will
+ * be clipped. If in feedback mode, a passthrough token
+ * is issued between the each primitive.
+ */
+void drawGeometry (GLenum mode)
+{
+ glBegin (GL_LINE_STRIP);
+ glNormal3f (0.0, 0.0, 1.0);
+ glVertex3f (30.0, 30.0, 0.0);
+ glVertex3f (50.0, 60.0, 0.0);
+ glVertex3f (70.0, 40.0, 0.0);
+ glEnd ();
+ if (mode == GL_FEEDBACK)
+ glPassThrough (1.0);
+ glBegin (GL_POINTS);
+ glVertex3f (-100.0, -100.0, -100.0); /* will be clipped */
+ glEnd ();
+ if (mode == GL_FEEDBACK)
+ glPassThrough (2.0);
+ glBegin (GL_POINTS);
+ glNormal3f (0.0, 0.0, 1.0);
+ glVertex3f (50.0, 50.0, 0.0);
+ glEnd ();
+}
+
+/* Write contents of one vertex to stdout. */
+void print3DcolorVertex (GLint size, GLint *count,
+ GLfloat *buffer)
+{
+ int i;
+
+ printf (" ");
+ for (i = 0; i < 7; i++) {
+ printf ("%4.2f ", buffer[size-(*count)]);
+ *count = *count - 1;
+ }
+ printf ("\n");
+}
+
+/* Write contents of entire buffer. (Parse tokens!) */
+void printBuffer(GLint size, GLfloat *buffer)
+{
+ GLint count;
+ GLfloat token;
+
+ count = size;
+ while (count) {
+ token = buffer[size-count]; count--;
+ if (token == GL_PASS_THROUGH_TOKEN) {
+ printf ("GL_PASS_THROUGH_TOKEN\n");
+ printf (" %4.2f\n", buffer[size-count]);
+ count--;
+ }
+ else if (token == GL_POINT_TOKEN) {
+ printf ("GL_POINT_TOKEN\n");
+ print3DcolorVertex (size, &count, buffer);
+ }
+ else if (token == GL_LINE_TOKEN) {
+ printf ("GL_LINE_TOKEN\n");
+ print3DcolorVertex (size, &count, buffer);
+ print3DcolorVertex (size, &count, buffer);
+ }
+ else if (token == GL_LINE_RESET_TOKEN) {
+ printf ("GL_LINE_RESET_TOKEN\n");
+ print3DcolorVertex (size, &count, buffer);
+ print3DcolorVertex (size, &count, buffer);
+ }
+ }
+}
+
+void display(void)
+{
+ GLfloat feedBuffer[1024];
+ GLint size;
+
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ glOrtho (0.0, 100.0, 0.0, 100.0, 0.0, 1.0);
+
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ drawGeometry (GL_RENDER);
+
+ glFeedbackBuffer (1024, GL_3D_COLOR, feedBuffer);
+ (void) glRenderMode (GL_FEEDBACK);
+ drawGeometry (GL_FEEDBACK);
+
+ size = glRenderMode (GL_RENDER);
+ printBuffer (size, feedBuffer);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/* Main Loop */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (100, 100);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/fog.c b/progs/redbook/fog.c
new file mode 100644
index 0000000000..5f8a4e4e76
--- /dev/null
+++ b/progs/redbook/fog.c
@@ -0,0 +1,186 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * fog.c
+ * This program draws 5 red teapots, each at a different
+ * z distance from the eye, in different types of fog.
+ * Pressing the left mouse button chooses between 3 types of
+ * fog: exponential, exponential squared, and linear.
+ * In this program, there is a fixed density value, as well
+ * as fixed start and end values for the linear fog.
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+GLint fogMode;
+
+void
+selectFog(int mode)
+{
+ switch(mode) {
+ case GL_LINEAR:
+ glFogf(GL_FOG_START, 1.0);
+ glFogf(GL_FOG_END, 5.0);
+ /* falls through */
+ case GL_EXP2:
+ case GL_EXP:
+ glFogi(GL_FOG_MODE, mode);
+ glutPostRedisplay();
+ break;
+ case 0:
+ exit(0);
+ }
+}
+
+/* Initialize z-buffer, projection matrix, light source,
+ * and lighting model. Do not specify a material property here.
+ */
+void
+myinit(void)
+{
+ GLfloat position[] =
+ {0.0, 3.0, 3.0, 0.0};
+ GLfloat local_view[] =
+ {0.0};
+
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+ glFrontFace(GL_CW);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+ glEnable(GL_FOG);
+ {
+ GLfloat fogColor[4] =
+ {0.5, 0.5, 0.5, 1.0};
+
+ fogMode = GL_EXP;
+ glFogi(GL_FOG_MODE, fogMode);
+ glFogfv(GL_FOG_COLOR, fogColor);
+ glFogf(GL_FOG_DENSITY, 0.35);
+ glHint(GL_FOG_HINT, GL_DONT_CARE);
+ glClearColor(0.5, 0.5, 0.5, 1.0);
+ }
+}
+
+void
+renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
+{
+ float mat[4];
+
+ glPushMatrix();
+ glTranslatef(x, y, z);
+ mat[0] = 0.1745;
+ mat[1] = 0.01175;
+ mat[2] = 0.01175;
+ mat[3] = 1.0;
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat);
+ mat[0] = 0.61424;
+ mat[1] = 0.04136;
+ mat[2] = 0.04136;
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat);
+ mat[0] = 0.727811;
+ mat[1] = 0.626959;
+ mat[2] = 0.626959;
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat);
+ glMaterialf(GL_FRONT, GL_SHININESS, 0.6 * 128.0);
+ glutSolidTeapot(1.0);
+ glPopMatrix();
+}
+
+/* display() draws 5 teapots at different z positions.
+ */
+void
+display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ renderRedTeapot(-4.0, -0.5, -1.0);
+ renderRedTeapot(-2.0, -0.5, -2.0);
+ renderRedTeapot(0.0, -0.5, -3.0);
+ renderRedTeapot(2.0, -0.5, -4.0);
+ renderRedTeapot(4.0, -0.5, -5.0);
+ glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= (h * 3))
+ glOrtho(-6.0, 6.0, -2.0 * ((GLfloat) h * 3) / (GLfloat) w,
+ 2.0 * ((GLfloat) h * 3) / (GLfloat) w, 0.0, 10.0);
+ else
+ glOrtho(-6.0 * (GLfloat) w / ((GLfloat) h * 3),
+ 6.0 * (GLfloat) w / ((GLfloat) h * 3), -2.0, 2.0, 0.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, depth buffer, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(450, 150);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutCreateMenu(selectFog);
+ glutAddMenuEntry("Fog EXP", GL_EXP);
+ glutAddMenuEntry("Fog EXP2", GL_EXP2);
+ glutAddMenuEntry("Fog LINEAR", GL_LINEAR);
+ glutAddMenuEntry("Quit", 0);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/fogindex.c b/progs/redbook/fogindex.c
new file mode 100644
index 0000000000..b409c95ac9
--- /dev/null
+++ b/progs/redbook/fogindex.c
@@ -0,0 +1,138 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * fogindex.c
+ * This program demonstrates fog in color index mode.
+ * Three cones are drawn at different z values in a linear
+ * fog. 32 contiguous colors (from 16 to 47) are loaded
+ * with a color ramp.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize color map and fog. Set screen clear color
+ * to end of color ramp.
+ */
+#define NUM_COLORS 32
+#define RAMPSTART 16
+
+void
+myinit(void)
+{
+ int i;
+
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+ for (i = 0; i < NUM_COLORS; i++) {
+ GLfloat shade;
+ shade = (GLfloat) (NUM_COLORS - i) / (GLfloat) NUM_COLORS;
+ glutSetColor(16 + i, shade, shade, shade);
+ }
+ glEnable(GL_FOG);
+
+ glFogi(GL_FOG_MODE, GL_LINEAR);
+ glFogi(GL_FOG_INDEX, NUM_COLORS);
+ glFogf(GL_FOG_START, 0.0);
+ glFogf(GL_FOG_END, 4.0);
+ glHint(GL_FOG_HINT, GL_NICEST);
+ glClearIndex((GLfloat) (NUM_COLORS + RAMPSTART - 1));
+}
+
+/* display() renders 3 cones at different z positions.
+ */
+void
+display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix();
+ glTranslatef(-1.0, -1.0, -1.0);
+ glRotatef(-90.0, 1.0, 0.0, 0.0);
+ glIndexi(RAMPSTART);
+ glutSolidCone(1.0, 2.0, 10, 10);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(0.0, -1.0, -2.25);
+ glRotatef(-90.0, 1.0, 0.0, 0.0);
+ glIndexi(RAMPSTART);
+ glutSolidCone(1.0, 2.0, 10, 10);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(1.0, -1.0, -3.5);
+ glRotatef(-90.0, 1.0, 0.0, 0.0);
+ glIndexi(RAMPSTART);
+ glutSolidCone(1.0, 2.0, 10, 10);
+ glPopMatrix();
+ glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(-2.0, 2.0, -2.0 * (GLfloat) h / (GLfloat) w,
+ 2.0 * (GLfloat) h / (GLfloat) w, 0.0, 10.0);
+ else
+ glOrtho(-2.0 * (GLfloat) w / (GLfloat) h,
+ 2.0 * (GLfloat) w / (GLfloat) h, -2.0, 2.0, 0.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, depth buffer, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_INDEX | GLUT_DEPTH);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/font.c b/progs/redbook/font.c
new file mode 100644
index 0000000000..2d92e9b600
--- /dev/null
+++ b/progs/redbook/font.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * font.c
+ *
+ * Draws some text in a bitmapped font. Uses glBitmap()
+ * and other pixel routines. Also demonstrates use of
+ * display lists.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <string.h>
+
+GLubyte space[] =
+{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+GLubyte letters[][13] = {
+{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xc3, 0xc3, 0xc3, 0x66, 0x3c, 0x18},
+{0x00, 0x00, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe},
+{0x00, 0x00, 0x7e, 0xe7, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e},
+{0x00, 0x00, 0xfc, 0xce, 0xc7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc7, 0xce, 0xfc},
+{0x00, 0x00, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xff},
+{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xff},
+{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xcf, 0xc0, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e},
+{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
+{0x00, 0x00, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e},
+{0x00, 0x00, 0x7c, 0xee, 0xc6, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06},
+{0x00, 0x00, 0xc3, 0xc6, 0xcc, 0xd8, 0xf0, 0xe0, 0xf0, 0xd8, 0xcc, 0xc6, 0xc3},
+{0x00, 0x00, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0},
+{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xdb, 0xff, 0xff, 0xe7, 0xc3},
+{0x00, 0x00, 0xc7, 0xc7, 0xcf, 0xcf, 0xdf, 0xdb, 0xfb, 0xf3, 0xf3, 0xe3, 0xe3},
+{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xe7, 0x7e},
+{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe},
+{0x00, 0x00, 0x3f, 0x6e, 0xdf, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0x66, 0x3c},
+{0x00, 0x00, 0xc3, 0xc6, 0xcc, 0xd8, 0xf0, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe},
+{0x00, 0x00, 0x7e, 0xe7, 0x03, 0x03, 0x07, 0x7e, 0xe0, 0xc0, 0xc0, 0xe7, 0x7e},
+{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff},
+{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
+{0x00, 0x00, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
+{0x00, 0x00, 0xc3, 0xe7, 0xff, 0xff, 0xdb, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
+{0x00, 0x00, 0xc3, 0x66, 0x66, 0x3c, 0x3c, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3},
+{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3},
+{0x00, 0x00, 0xff, 0xc0, 0xc0, 0x60, 0x30, 0x7e, 0x0c, 0x06, 0x03, 0x03, 0xff}
+};
+
+GLuint fontOffset;
+
+void makeRasterFont(void)
+{
+ GLuint i, j;
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ fontOffset = glGenLists (128);
+ for (i = 0,j = 'A'; i < 26; i++,j++) {
+ glNewList(fontOffset + j, GL_COMPILE);
+ glBitmap(8, 13, 0.0, 2.0, 10.0, 0.0, letters[i]);
+ glEndList();
+ }
+ glNewList(fontOffset + ' ', GL_COMPILE);
+ glBitmap(8, 13, 0.0, 2.0, 10.0, 0.0, space);
+ glEndList();
+}
+
+void init(void)
+{
+ glShadeModel (GL_FLAT);
+ makeRasterFont();
+}
+
+void printString(char *s)
+{
+ glPushAttrib (GL_LIST_BIT);
+ glListBase(fontOffset);
+ glCallLists((GLsizei) strlen(s), GL_UNSIGNED_BYTE, (GLubyte *) s);
+ glPopAttrib ();
+}
+
+/* Everything above this line could be in a library
+ * that defines a font. To make it work, you've got
+ * to call makeRasterFont() before you start making
+ * calls to printString().
+ */
+void display(void)
+{
+ GLfloat white[3] = { 1.0, 1.0, 1.0 };
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3fv(white);
+
+ glRasterPos2i(20, 60);
+ printString("THE QUICK BROWN FOX JUMPS");
+ glRasterPos2i(20, 40);
+ printString("OVER A LAZY DOG");
+ glFlush ();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho (0.0, w, 0.0, h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize(300, 100);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/hello.c b/progs/redbook/hello.c
new file mode 100644
index 0000000000..516c9ecc00
--- /dev/null
+++ b/progs/redbook/hello.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * hello.c
+ * This is a simple, introductory OpenGL program.
+ */
+#include <GL/glut.h>
+
+void display(void)
+{
+/* clear all pixels */
+ glClear (GL_COLOR_BUFFER_BIT);
+
+/* draw white polygon (rectangle) with corners at
+ * (0.25, 0.25, 0.0) and (0.75, 0.75, 0.0)
+ */
+ glColor3f (1.0, 1.0, 1.0);
+ glBegin(GL_POLYGON);
+ glVertex3f (0.25, 0.25, 0.0);
+ glVertex3f (0.75, 0.25, 0.0);
+ glVertex3f (0.75, 0.75, 0.0);
+ glVertex3f (0.25, 0.75, 0.0);
+ glEnd();
+
+/* don't wait!
+ * start processing buffered OpenGL routines
+ */
+ glFlush ();
+}
+
+void init (void)
+{
+/* select clearing color */
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+
+/* initialize viewing values */
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
+}
+
+/*
+ * Declare initial window size, position, and display mode
+ * (single buffer and RGBA). Open window with "hello"
+ * in its title bar. Call initialization routines.
+ * Register callback function to display graphics.
+ * Enter main loop and process events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (250, 250);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow ("hello");
+ init ();
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/image.c b/progs/redbook/image.c
new file mode 100644
index 0000000000..8e62f5afd3
--- /dev/null
+++ b/progs/redbook/image.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* image.c
+ * This program demonstrates drawing pixels and shows the effect
+ * of glDrawPixels(), glCopyPixels(), and glPixelZoom().
+ * Interaction: moving the mouse while pressing the mouse button
+ * will copy the image in the lower-left corner of the window
+ * to the mouse position, using the current pixel zoom factors.
+ * There is no attempt to prevent you from drawing over the original
+ * image. If you press the 'r' key, the original image and zoom
+ * factors are reset. If you press the 'z' or 'Z' keys, you change
+ * the zoom factors.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* Create checkerboard image */
+#define checkImageWidth 64
+#define checkImageHeight 64
+GLubyte checkImage[checkImageHeight][checkImageWidth][3];
+
+static GLdouble zoomFactor = 1.0;
+static GLint height;
+
+void makeCheckImage(void)
+{
+ int i, j, c;
+
+ for (i = 0; i < checkImageHeight; i++) {
+ for (j = 0; j < checkImageWidth; j++) {
+ c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+ checkImage[i][j][0] = (GLubyte) c;
+ checkImage[i][j][1] = (GLubyte) c;
+ checkImage[i][j][2] = (GLubyte) c;
+ }
+ }
+}
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel(GL_FLAT);
+ makeCheckImage();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glRasterPos2i(0, 0);
+ glDrawPixels(checkImageWidth, checkImageHeight, GL_RGB,
+ GL_UNSIGNED_BYTE, checkImage);
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ height = (GLint) h;
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0.0, (GLdouble) w, 0.0, (GLdouble) h);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+void motion(int x, int y)
+{
+ static GLint screeny;
+
+ screeny = height - (GLint) y;
+ glRasterPos2i (x, screeny);
+ glPixelZoom (zoomFactor, zoomFactor);
+ glCopyPixels (0, 0, checkImageWidth, checkImageHeight, GL_COLOR);
+ glPixelZoom (1.0, 1.0);
+ glFlush ();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'r':
+ case 'R':
+ zoomFactor = 1.0;
+ glutPostRedisplay();
+ printf ("zoomFactor reset to 1.0\n");
+ break;
+ case 'z':
+ zoomFactor += 0.5;
+ if (zoomFactor >= 3.0)
+ zoomFactor = 3.0;
+ printf ("zoomFactor is now %4.1f\n", zoomFactor);
+ break;
+ case 'Z':
+ zoomFactor -= 0.5;
+ if (zoomFactor <= 0.5)
+ zoomFactor = 0.5;
+ printf ("zoomFactor is now %4.1f\n", zoomFactor);
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize(250, 250);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMotionFunc(motion);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/jitter.h b/progs/redbook/jitter.h
new file mode 100644
index 0000000000..1ec08c87fd
--- /dev/null
+++ b/progs/redbook/jitter.h
@@ -0,0 +1,222 @@
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+jitter.h
+
+This file contains jitter point arrays for 2,3,4,8,15,24 and 66 jitters.
+
+The arrays are named j2, j3, etc. Each element in the array has the form,
+for example, j8[0].x and j8[0].y
+
+Values are floating point in the range -.5 < x < .5, -.5 < y < .5, and
+have a gaussian distribution around the origin.
+
+Use these to do model jittering for scene anti-aliasing and view volume
+jittering for depth of field effects. Use in conjunction with the
+accwindow() routine.
+*/
+
+typedef struct
+{
+ GLfloat x, y;
+} jitter_point;
+
+#define MAX_SAMPLES 66
+
+
+/* 2 jitter points */
+jitter_point j2[] =
+{
+ { 0.246490, 0.249999},
+ {-0.246490, -0.249999}
+};
+
+
+/* 3 jitter points */
+jitter_point j3[] =
+{
+ {-0.373411, -0.250550},
+ { 0.256263, 0.368119},
+ { 0.117148, -0.117570}
+};
+
+
+/* 4 jitter points */
+jitter_point j4[] =
+{
+ {-0.208147, 0.353730},
+ { 0.203849, -0.353780},
+ {-0.292626, -0.149945},
+ { 0.296924, 0.149994}
+};
+
+
+/* 8 jitter points */
+jitter_point j8[] =
+{
+ {-0.334818, 0.435331},
+ { 0.286438, -0.393495},
+ { 0.459462, 0.141540},
+ {-0.414498, -0.192829},
+ {-0.183790, 0.082102},
+ {-0.079263, -0.317383},
+ { 0.102254, 0.299133},
+ { 0.164216, -0.054399}
+};
+
+
+/* 15 jitter points */
+jitter_point j15[] =
+{
+ { 0.285561, 0.188437},
+ { 0.360176, -0.065688},
+ {-0.111751, 0.275019},
+ {-0.055918, -0.215197},
+ {-0.080231, -0.470965},
+ { 0.138721, 0.409168},
+ { 0.384120, 0.458500},
+ {-0.454968, 0.134088},
+ { 0.179271, -0.331196},
+ {-0.307049, -0.364927},
+ { 0.105354, -0.010099},
+ {-0.154180, 0.021794},
+ {-0.370135, -0.116425},
+ { 0.451636, -0.300013},
+ {-0.370610, 0.387504}
+};
+
+
+/* 24 jitter points */
+jitter_point j24[] =
+{
+ { 0.030245, 0.136384},
+ { 0.018865, -0.348867},
+ {-0.350114, -0.472309},
+ { 0.222181, 0.149524},
+ {-0.393670, -0.266873},
+ { 0.404568, 0.230436},
+ { 0.098381, 0.465337},
+ { 0.462671, 0.442116},
+ { 0.400373, -0.212720},
+ {-0.409988, 0.263345},
+ {-0.115878, -0.001981},
+ { 0.348425, -0.009237},
+ {-0.464016, 0.066467},
+ {-0.138674, -0.468006},
+ { 0.144932, -0.022780},
+ {-0.250195, 0.150161},
+ {-0.181400, -0.264219},
+ { 0.196097, -0.234139},
+ {-0.311082, -0.078815},
+ { 0.268379, 0.366778},
+ {-0.040601, 0.327109},
+ {-0.234392, 0.354659},
+ {-0.003102, -0.154402},
+ { 0.297997, -0.417965}
+};
+
+
+/* 66 jitter points */
+jitter_point j66[] =
+{
+ { 0.266377, -0.218171},
+ {-0.170919, -0.429368},
+ { 0.047356, -0.387135},
+ {-0.430063, 0.363413},
+ {-0.221638, -0.313768},
+ { 0.124758, -0.197109},
+ {-0.400021, 0.482195},
+ { 0.247882, 0.152010},
+ {-0.286709, -0.470214},
+ {-0.426790, 0.004977},
+ {-0.361249, -0.104549},
+ {-0.040643, 0.123453},
+ {-0.189296, 0.438963},
+ {-0.453521, -0.299889},
+ { 0.408216, -0.457699},
+ { 0.328973, -0.101914},
+ {-0.055540, -0.477952},
+ { 0.194421, 0.453510},
+ { 0.404051, 0.224974},
+ { 0.310136, 0.419700},
+ {-0.021743, 0.403898},
+ {-0.466210, 0.248839},
+ { 0.341369, 0.081490},
+ { 0.124156, -0.016859},
+ {-0.461321, -0.176661},
+ { 0.013210, 0.234401},
+ { 0.174258, -0.311854},
+ { 0.294061, 0.263364},
+ {-0.114836, 0.328189},
+ { 0.041206, -0.106205},
+ { 0.079227, 0.345021},
+ {-0.109319, -0.242380},
+ { 0.425005, -0.332397},
+ { 0.009146, 0.015098},
+ {-0.339084, -0.355707},
+ {-0.224596, -0.189548},
+ { 0.083475, 0.117028},
+ { 0.295962, -0.334699},
+ { 0.452998, 0.025397},
+ { 0.206511, -0.104668},
+ { 0.447544, -0.096004},
+ {-0.108006, -0.002471},
+ {-0.380810, 0.130036},
+ {-0.242440, 0.186934},
+ {-0.200363, 0.070863},
+ {-0.344844, -0.230814},
+ { 0.408660, 0.345826},
+ {-0.233016, 0.305203},
+ { 0.158475, -0.430762},
+ { 0.486972, 0.139163},
+ {-0.301610, 0.009319},
+ { 0.282245, -0.458671},
+ { 0.482046, 0.443890},
+ {-0.121527, 0.210223},
+ {-0.477606, -0.424878},
+ {-0.083941, -0.121440},
+ {-0.345773, 0.253779},
+ { 0.234646, 0.034549},
+ { 0.394102, -0.210901},
+ {-0.312571, 0.397656},
+ { 0.200906, 0.333293},
+ { 0.018703, -0.261792},
+ {-0.209349, -0.065383},
+ { 0.076248, 0.478538},
+ {-0.073036, -0.355064},
+ { 0.145087, 0.221726}
+};
diff --git a/progs/redbook/light.c b/progs/redbook/light.c
new file mode 100644
index 0000000000..0eed85e10c
--- /dev/null
+++ b/progs/redbook/light.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * light.c
+ * This program demonstrates the use of the OpenGL lighting
+ * model. A sphere is drawn using a grey material characteristic.
+ * A single light source illuminates the object.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+/* Initialize material property, light source, lighting model,
+ * and depth buffer.
+ */
+void init(void)
+{
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 50.0 };
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_SMOOTH);
+
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glutSolidSphere (1.0, 20, 16);
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
+ 1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
+ 1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/lines.c b/progs/redbook/lines.c
new file mode 100644
index 0000000000..b34d4c418c
--- /dev/null
+++ b/progs/redbook/lines.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * lines.c
+ * This program demonstrates geometric primitives and
+ * their attributes.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+#define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES); \
+ glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ int i;
+
+ glClear (GL_COLOR_BUFFER_BIT);
+
+/* select white for all lines */
+ glColor3f (1.0, 1.0, 1.0);
+
+/* in 1st row, 3 lines, each with a different stipple */
+ glEnable (GL_LINE_STIPPLE);
+
+ glLineStipple (1, 0x0101); /* dotted */
+ drawOneLine (50.0, 125.0, 150.0, 125.0);
+ glLineStipple (1, 0x00FF); /* dashed */
+ drawOneLine (150.0, 125.0, 250.0, 125.0);
+ glLineStipple (1, 0x1C47); /* dash/dot/dash */
+ drawOneLine (250.0, 125.0, 350.0, 125.0);
+
+/* in 2nd row, 3 wide lines, each with different stipple */
+ glLineWidth (5.0);
+ glLineStipple (1, 0x0101); /* dotted */
+ drawOneLine (50.0, 100.0, 150.0, 100.0);
+ glLineStipple (1, 0x00FF); /* dashed */
+ drawOneLine (150.0, 100.0, 250.0, 100.0);
+ glLineStipple (1, 0x1C47); /* dash/dot/dash */
+ drawOneLine (250.0, 100.0, 350.0, 100.0);
+ glLineWidth (1.0);
+
+/* in 3rd row, 6 lines, with dash/dot/dash stipple */
+/* as part of a single connected line strip */
+ glLineStipple (1, 0x1C47); /* dash/dot/dash */
+ glBegin (GL_LINE_STRIP);
+ for (i = 0; i < 7; i++)
+ glVertex2f (50.0 + ((GLfloat) i * 50.0), 75.0);
+ glEnd ();
+
+/* in 4th row, 6 independent lines with same stipple */
+ for (i = 0; i < 6; i++) {
+ drawOneLine (50.0 + ((GLfloat) i * 50.0), 50.0,
+ 50.0 + ((GLfloat)(i+1) * 50.0), 50.0);
+ }
+
+/* in 5th row, 1 line, with dash/dot/dash stipple */
+/* and a stipple repeat factor of 5 */
+ glLineStipple (5, 0x1C47); /* dash/dot/dash */
+ drawOneLine (50.0, 25.0, 350.0, 25.0);
+
+ glDisable (GL_LINE_STIPPLE);
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluOrtho2D (0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (400, 150);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/list.c b/progs/redbook/list.c
new file mode 100644
index 0000000000..3b4f44bd6d
--- /dev/null
+++ b/progs/redbook/list.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * list.c
+ * This program demonstrates how to make and execute a
+ * display list. Note that attributes, such as current
+ * color and matrix, are changed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLuint listName;
+
+static void init (void)
+{
+ listName = glGenLists (1);
+ glNewList (listName, GL_COMPILE);
+ glColor3f (1.0, 0.0, 0.0); /* current color red */
+ glBegin (GL_TRIANGLES);
+ glVertex2f (0.0, 0.0);
+ glVertex2f (1.0, 0.0);
+ glVertex2f (0.0, 1.0);
+ glEnd ();
+ glTranslatef (1.5, 0.0, 0.0); /* move position */
+ glEndList ();
+ glShadeModel (GL_FLAT);
+}
+
+static void drawLine (void)
+{
+ glBegin (GL_LINES);
+ glVertex2f (0.0, 0.5);
+ glVertex2f (15.0, 0.5);
+ glEnd ();
+}
+
+void display(void)
+{
+ GLuint i;
+
+ glClear (GL_COLOR_BUFFER_BIT);
+ glColor3f (0.0, 1.0, 0.0); /* current color green */
+ for (i = 0; i < 10; i++) /* draw 10 triangles */
+ glCallList (listName);
+ drawLine (); /* is this line green? NO! */
+ /* where is the line drawn? */
+ glFlush ();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ gluOrtho2D (0.0, 2.0, -0.5 * (GLfloat) h/(GLfloat) w,
+ 1.5 * (GLfloat) h/(GLfloat) w);
+ else
+ gluOrtho2D (0.0, 2.0 * (GLfloat) w/(GLfloat) h, -0.5, 1.5);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize(650, 50);
+ glutCreateWindow(argv[0]);
+ init ();
+ glutReshapeFunc (reshape);
+ glutDisplayFunc (display);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/material.c b/progs/redbook/material.c
new file mode 100644
index 0000000000..f8d6a918f4
--- /dev/null
+++ b/progs/redbook/material.c
@@ -0,0 +1,293 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * material.c
+ * This program demonstrates the use of the GL lighting model.
+ * Several objects are drawn using different material characteristics.
+ * A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize z-buffer, projection matrix, light source,
+ * and lighting model. Do not specify a material property here.
+ */
+void myinit(void)
+{
+ GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat position[] = { 0.0, 3.0, 2.0, 0.0 };
+ GLfloat lmodel_ambient[] = { 0.4, 0.4, 0.4, 1.0 };
+ GLfloat local_view[] = { 0.0 };
+
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glClearColor(0.0, 0.1, 0.1, 0.0);
+}
+
+/* Draw twelve spheres in 3 rows with 4 columns.
+ * The spheres in the first row have materials with no ambient reflection.
+ * The second row has materials with significant ambient reflection.
+ * The third row has materials with colored ambient reflection.
+ *
+ * The first column has materials with blue, diffuse reflection only.
+ * The second column has blue diffuse reflection, as well as specular
+ * reflection with a low shininess exponent.
+ * The third column has blue diffuse reflection, as well as specular
+ * reflection with a high shininess exponent (a more concentrated highlight).
+ * The fourth column has materials which also include an emissive component.
+ *
+ * glTranslatef() is used to move spheres to their appropriate locations.
+ */
+
+void display(void)
+{
+ GLfloat no_mat[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat mat_ambient[] = { 0.7, 0.7, 0.7, 1.0 };
+ GLfloat mat_ambient_color[] = { 0.8, 0.8, 0.2, 1.0 };
+ GLfloat mat_diffuse[] = { 0.1, 0.5, 0.8, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat no_shininess[] = { 0.0 };
+ GLfloat low_shininess[] = { 5.0 };
+ GLfloat high_shininess[] = { 100.0 };
+ GLfloat mat_emission[] = {0.3, 0.2, 0.2, 0.0};
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+/* draw sphere in first row, first column
+ * diffuse reflection only; no ambient or specular
+ */
+ glPushMatrix();
+ glTranslatef (-3.75, 3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+ glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in first row, second column
+ * diffuse and specular reflection; low shininess; no ambient
+ */
+ glPushMatrix();
+ glTranslatef (-1.25, 3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in first row, third column
+ * diffuse and specular reflection; high shininess; no ambient
+ */
+ glPushMatrix();
+ glTranslatef (1.25, 3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in first row, fourth column
+ * diffuse reflection; emission; no ambient or specular reflection
+ */
+ glPushMatrix();
+ glTranslatef (3.75, 3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+ glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in second row, first column
+ * ambient and diffuse reflection; no specular
+ */
+ glPushMatrix();
+ glTranslatef (-3.75, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+ glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in second row, second column
+ * ambient, diffuse and specular reflection; low shininess
+ */
+ glPushMatrix();
+ glTranslatef (-1.25, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in second row, third column
+ * ambient, diffuse and specular reflection; high shininess
+ */
+ glPushMatrix();
+ glTranslatef (1.25, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in second row, fourth column
+ * ambient and diffuse reflection; emission; no specular
+ */
+ glPushMatrix();
+ glTranslatef (3.75, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+ glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in third row, first column
+ * colored ambient and diffuse reflection; no specular
+ */
+ glPushMatrix();
+ glTranslatef (-3.75, -3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+ glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in third row, second column
+ * colored ambient, diffuse and specular reflection; low shininess
+ */
+ glPushMatrix();
+ glTranslatef (-1.25, -3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in third row, third column
+ * colored ambient, diffuse and specular reflection; high shininess
+ */
+ glPushMatrix();
+ glTranslatef (1.25, -3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+/* draw sphere in third row, fourth column
+ * colored ambient and diffuse reflection; emission; no specular
+ */
+ glPushMatrix();
+ glTranslatef (3.75, -3.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+ glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+ glutSolidSphere(1.0, 16, 16);
+ glPopMatrix();
+
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= (h * 2))
+ glOrtho (-6.0, 6.0, -3.0*((GLfloat)h*2)/(GLfloat)w,
+ 3.0*((GLfloat)h*2)/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-6.0*(GLfloat)w/((GLfloat)h*2),
+ 6.0*(GLfloat)w/((GLfloat)h*2), -3.0, 3.0, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (600, 450);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
+
diff --git a/progs/redbook/mipmap.c b/progs/redbook/mipmap.c
new file mode 100644
index 0000000000..96ef394f60
--- /dev/null
+++ b/progs/redbook/mipmap.c
@@ -0,0 +1,165 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/* mipmap.c
+ * This program demonstrates using mipmaps for texture maps.
+ * To overtly show the effect of mipmaps, each mipmap reduction
+ * level has a solidly colored, contrasting texture image.
+ * Thus, the quadrilateral which is drawn is drawn with several
+ * different colors.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLubyte mipmapImage32[32][32][3];
+GLubyte mipmapImage16[16][16][3];
+GLubyte mipmapImage8[8][8][3];
+GLubyte mipmapImage4[4][4][3];
+GLubyte mipmapImage2[2][2][3];
+GLubyte mipmapImage1[1][1][3];
+
+void makeImages(void)
+{
+ int i, j;
+
+ for (i = 0; i < 32; i++) {
+ for (j = 0; j < 32; j++) {
+ mipmapImage32[i][j][0] = 255;
+ mipmapImage32[i][j][1] = 255;
+ mipmapImage32[i][j][2] = 0;
+ }
+ }
+ for (i = 0; i < 16; i++) {
+ for (j = 0; j < 16; j++) {
+ mipmapImage16[i][j][0] = 255;
+ mipmapImage16[i][j][1] = 0;
+ mipmapImage16[i][j][2] = 255;
+ }
+ }
+ for (i = 0; i < 8; i++) {
+ for (j = 0; j < 8; j++) {
+ mipmapImage8[i][j][0] = 255;
+ mipmapImage8[i][j][1] = 0;
+ mipmapImage8[i][j][2] = 0;
+ }
+ }
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ mipmapImage4[i][j][0] = 0;
+ mipmapImage4[i][j][1] = 255;
+ mipmapImage4[i][j][2] = 0;
+ }
+ }
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ mipmapImage2[i][j][0] = 0;
+ mipmapImage2[i][j][1] = 0;
+ mipmapImage2[i][j][2] = 255;
+ }
+ }
+ mipmapImage1[0][0][0] = 255;
+ mipmapImage1[0][0][1] = 255;
+ mipmapImage1[0][0][2] = 255;
+}
+
+void myinit(void)
+{
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+ glShadeModel(GL_FLAT);
+
+ glTranslatef(0.0, 0.0, -3.6);
+ makeImages();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, 32, 32, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage32[0][0][0]);
+ glTexImage2D(GL_TEXTURE_2D, 1, 3, 16, 16, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage16[0][0][0]);
+ glTexImage2D(GL_TEXTURE_2D, 2, 3, 8, 8, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage8[0][0][0]);
+ glTexImage2D(GL_TEXTURE_2D, 3, 3, 4, 4, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage4[0][0][0]);
+ glTexImage2D(GL_TEXTURE_2D, 4, 3, 2, 2, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage2[0][0][0]);
+ glTexImage2D(GL_TEXTURE_2D, 5, 3, 1, 1, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage1[0][0][0]);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_NEAREST_MIPMAP_NEAREST);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glEnable(GL_TEXTURE_2D);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 8.0); glVertex3f(-2.0, 1.0, 0.0);
+ glTexCoord2f(8.0, 8.0); glVertex3f(2000.0, 1.0, -6000.0);
+ glTexCoord2f(8.0, 0.0); glVertex3f(2000.0, -1.0, -6000.0);
+ glEnd();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30000.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
+
diff --git a/progs/redbook/model.c b/progs/redbook/model.c
new file mode 100644
index 0000000000..8411ef355f
--- /dev/null
+++ b/progs/redbook/model.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * model.c
+ * This program demonstrates modeling transformations
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void draw_triangle(void)
+{
+ glBegin (GL_LINE_LOOP);
+ glVertex2f(0.0, 25.0);
+ glVertex2f(25.0, -25.0);
+ glVertex2f(-25.0, -25.0);
+ glEnd();
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT);
+ glColor3f (1.0, 1.0, 1.0);
+
+ glLoadIdentity ();
+ glColor3f (1.0, 1.0, 1.0);
+ draw_triangle ();
+
+ glEnable (GL_LINE_STIPPLE);
+ glLineStipple (1, 0xF0F0);
+ glLoadIdentity ();
+ glTranslatef (-20.0, 0.0, 0.0);
+ draw_triangle ();
+
+ glLineStipple (1, 0xF00F);
+ glLoadIdentity ();
+ glScalef (1.5, 0.5, 1.0);
+ draw_triangle ();
+
+ glLineStipple (1, 0x8888);
+ glLoadIdentity ();
+ glRotatef (90.0, 0.0, 0.0, 1.0);
+ draw_triangle ();
+ glDisable (GL_LINE_STIPPLE);
+
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ if (w <= h)
+ glOrtho (-50.0, 50.0, -50.0*(GLfloat)h/(GLfloat)w,
+ 50.0*(GLfloat)h/(GLfloat)w, -1.0, 1.0);
+ else
+ glOrtho (-50.0*(GLfloat)w/(GLfloat)h,
+ 50.0*(GLfloat)w/(GLfloat)h, -50.0, 50.0, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/movelight.c b/progs/redbook/movelight.c
new file mode 100644
index 0000000000..a108cad439
--- /dev/null
+++ b/progs/redbook/movelight.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * movelight.c
+ * This program demonstrates when to issue lighting and
+ * transformation commands to render a model with a light
+ * which is moved by a modeling transformation (rotate or
+ * translate). The light position is reset after the modeling
+ * transformation is called. The eye position does not change.
+ *
+ * A sphere is drawn using a grey material characteristic.
+ * A single light source illuminates the object.
+ *
+ * Interaction: pressing the left mouse button alters
+ * the modeling transformation (x rotation) by 30 degrees.
+ * The scene is then redrawn with the light in a new position.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int spin = 0;
+
+/* Initialize material property, light source, lighting model,
+ * and depth buffer.
+ */
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_SMOOTH);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+}
+
+/* Here is where the light position is reset after the modeling
+ * transformation (glRotated) is called. This places the
+ * light at a new position in world coordinates. The cube
+ * represents the position of the light.
+ */
+void display(void)
+{
+ GLfloat position[] = { 0.0, 0.0, 1.5, 1.0 };
+
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix ();
+ gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+
+ glPushMatrix ();
+ glRotated ((GLdouble) spin, 1.0, 0.0, 0.0);
+ glLightfv (GL_LIGHT0, GL_POSITION, position);
+
+ glTranslated (0.0, 0.0, 1.5);
+ glDisable (GL_LIGHTING);
+ glColor3f (0.0, 1.0, 1.0);
+ glutWireCube (0.1);
+ glEnable (GL_LIGHTING);
+ glPopMatrix ();
+
+ glutSolidTorus (0.275, 0.85, 8, 15);
+ glPopMatrix ();
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(40.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y)
+{
+ switch (button) {
+ case GLUT_LEFT_BUTTON:
+ if (state == GLUT_DOWN) {
+ spin = (spin + 30) % 360;
+ glutPostRedisplay();
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMouseFunc(mouse);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/nurbs.c b/progs/redbook/nurbs.c
new file mode 100644
index 0000000000..513868e7d1
--- /dev/null
+++ b/progs/redbook/nurbs.c
@@ -0,0 +1,176 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * nurbs.c
+ * This program shows a NURBS (Non-uniform rational B-splines)
+ * surface, shaped like a heart.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+#define S_NUMPOINTS 13
+#define S_ORDER 3
+#define S_NUMKNOTS (S_NUMPOINTS + S_ORDER)
+#define T_NUMPOINTS 3
+#define T_ORDER 3
+#define T_NUMKNOTS (T_NUMPOINTS + T_ORDER)
+#define SQRT2 1.41421356237309504880
+
+/* initialized local data */
+
+GLfloat sknots[S_NUMKNOTS] =
+ {-1.0, -1.0, -1.0, 0.0, 1.0, 2.0, 3.0, 4.0,
+ 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 9.0, 9.0};
+GLfloat tknots[T_NUMKNOTS] = {1.0, 1.0, 1.0, 2.0, 2.0, 2.0};
+
+GLfloat ctlpoints[S_NUMPOINTS][T_NUMPOINTS][4] = {
+{ {4.,2.,2.,1.},{4.,1.6,2.5,1.},{4.,2.,3.0,1.} },
+{ {5.,4.,2.,1.},{5.,4.,2.5,1.},{5.,4.,3.0,1.} },
+{ {6.,5.,2.,1.},{6.,5.,2.5,1.},{6.,5.,3.0,1.} },
+{ {SQRT2*6.,SQRT2*6.,SQRT2*2.,SQRT2},
+ {SQRT2*6.,SQRT2*6.,SQRT2*2.5,SQRT2},
+ {SQRT2*6.,SQRT2*6.,SQRT2*3.0,SQRT2} },
+{ {5.2,6.7,2.,1.},{5.2,6.7,2.5,1.},{5.2,6.7,3.0,1.} },
+{ {SQRT2*4.,SQRT2*6.,SQRT2*2.,SQRT2},
+ {SQRT2*4.,SQRT2*6.,SQRT2*2.5,SQRT2},
+ {SQRT2*4.,SQRT2*6.,SQRT2*3.0,SQRT2} },
+{ {4.,5.2,2.,1.},{4.,4.6,2.5,1.},{4.,5.2,3.0,1.} },
+{ {SQRT2*4.,SQRT2*6.,SQRT2*2.,SQRT2},
+ {SQRT2*4.,SQRT2*6.,SQRT2*2.5,SQRT2},
+ {SQRT2*4.,SQRT2*6.,SQRT2*3.0,SQRT2} },
+{ {2.8,6.7,2.,1.},{2.8,6.7,2.5,1.},{2.8,6.7,3.0,1.} },
+{ {SQRT2*2.,SQRT2*6.,SQRT2*2.,SQRT2},
+ {SQRT2*2.,SQRT2*6.,SQRT2*2.5,SQRT2},
+ {SQRT2*2.,SQRT2*6.,SQRT2*3.0,SQRT2} },
+{ {2.,5.,2.,1.},{2.,5.,2.5,1.},{2.,5.,3.0,1.} },
+{ {3.,4.,2.,1.},{3.,4.,2.5,1.},{3.,4.,3.0,1.} },
+{ {4.,2.,2.,1.},{4.,1.6,2.5,1.},{4.,2.,3.0,1.} }
+};
+
+GLUnurbsObj *theNurb;
+
+/* Initialize material property, light source, lighting model,
+ * and depth buffer.
+ */
+void myinit(void)
+{
+ GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_diffuse[] = { 1.0, 0.2, 1.0, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 50.0 };
+
+ GLfloat light0_position[] = { 1.0, 0.1, 1.0, 0.0 };
+ GLfloat light1_position[] = { -1.0, 0.1, 1.0, 0.0 };
+
+ GLfloat lmodel_ambient[] = { 0.3, 0.3, 0.3, 1.0 };
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
+ glLightfv(GL_LIGHT1, GL_POSITION, light1_position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHT1);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_AUTO_NORMAL);
+
+ theNurb = gluNewNurbsRenderer();
+
+ gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
+ gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glTranslatef (4., 4.5, 2.5);
+ glRotatef (220.0, 1., 0., 0.);
+ glRotatef (115.0, 0., 1., 0.);
+ glTranslatef (-4., -4.5, -2.5);
+
+ gluBeginSurface(theNurb);
+ gluNurbsSurface(theNurb,
+ S_NUMKNOTS, sknots,
+ T_NUMKNOTS, tknots,
+ 4 * T_NUMPOINTS,
+ 4,
+ &ctlpoints[0][0][0],
+ S_ORDER, T_ORDER,
+ GL_MAP2_VERTEX_4);
+ gluEndSurface(theNurb);
+
+ glPopMatrix();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1.0, 1.0, -1.5, 0.5, 0.8, 10.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ gluLookAt(7.0,4.5,4.0, 4.5,4.5,2.0, 6.0,-3.0,2.0);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/pickdepth.c b/progs/redbook/pickdepth.c
new file mode 100644
index 0000000000..c6d50a91d9
--- /dev/null
+++ b/progs/redbook/pickdepth.c
@@ -0,0 +1,203 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * pickdepth.c
+ * Picking is demonstrated in this program. In
+ * rendering mode, three overlapping rectangles are
+ * drawn. When the left mouse button is pressed,
+ * selection mode is entered with the picking matrix.
+ * Rectangles which are drawn under the cursor position
+ * are "picked." Pay special attention to the depth
+ * value range, which is returned.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+void
+myinit(void)
+{
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel(GL_FLAT);
+ glDepthRange(0.0, 1.0); /* The default z mapping */
+}
+
+/* The three rectangles are drawn. In selection mode,
+ * each rectangle is given the same name. Note that
+ * each rectangle is drawn with a different z value.
+ */
+void
+drawRects(GLenum mode)
+{
+ if (mode == GL_SELECT)
+ glLoadName(1);
+ glBegin(GL_QUADS);
+ glColor3f(1.0, 1.0, 0.0);
+ glVertex3i(2, 0, 0);
+ glVertex3i(2, 6, 0);
+ glVertex3i(6, 6, 0);
+ glVertex3i(6, 0, 0);
+ glEnd();
+ if (mode == GL_SELECT)
+ glLoadName(2);
+ glBegin(GL_QUADS);
+ glColor3f(0.0, 1.0, 1.0);
+ glVertex3i(3, 2, -1);
+ glVertex3i(3, 8, -1);
+ glVertex3i(8, 8, -1);
+ glVertex3i(8, 2, -1);
+ glEnd();
+ if (mode == GL_SELECT)
+ glLoadName(3);
+ glBegin(GL_QUADS);
+ glColor3f(1.0, 0.0, 1.0);
+ glVertex3i(0, 2, -2);
+ glVertex3i(0, 7, -2);
+ glVertex3i(5, 7, -2);
+ glVertex3i(5, 2, -2);
+ glEnd();
+}
+
+/* processHits() prints out the contents of the
+ * selection array.
+ */
+void
+processHits(GLint hits, GLuint buffer[])
+{
+ unsigned int i, j;
+ GLuint names, *ptr;
+
+ printf("hits = %d\n", hits);
+ ptr = (GLuint *) buffer;
+ for (i = 0; i < hits; i++) { /* for each hit */
+ names = *ptr;
+ printf(" number of names for hit = %d\n", names);
+ ptr++;
+ printf(" z1 is %g;", (float) *ptr/0xffffffff);
+ ptr++;
+ printf(" z2 is %g\n", (float) *ptr/0xffffffff);
+ ptr++;
+ printf(" the name is ");
+ for (j = 0; j < names; j++) { /* for each name */
+ printf("%d ", *ptr);
+ ptr++;
+ }
+ printf("\n");
+ }
+}
+
+/* pickRects() sets up selection mode, name stack,
+ * and projection matrix for picking. Then the objects
+ * are drawn.
+ */
+#define BUFSIZE 512
+
+void
+pickRects(int button, int state, int x, int y)
+{
+ GLuint selectBuf[BUFSIZE];
+ GLint hits;
+ GLint viewport[4];
+
+ if (button != GLUT_LEFT_BUTTON || state != GLUT_DOWN)
+ return;
+
+ glGetIntegerv(GL_VIEWPORT, viewport);
+
+ glSelectBuffer(BUFSIZE, selectBuf);
+ (void) glRenderMode(GL_SELECT);
+
+ glInitNames();
+ glPushName(-1);
+
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+/* create 5x5 pixel picking region near cursor location */
+ gluPickMatrix((GLdouble) x, (GLdouble) (viewport[3] - y),
+ 5.0, 5.0, viewport);
+ glOrtho(0.0, 8.0, 0.0, 8.0, -0.5, 2.5);
+ drawRects(GL_SELECT);
+ glPopMatrix();
+ glFlush();
+
+ hits = glRenderMode(GL_RENDER);
+ processHits(hits, selectBuf);
+}
+
+void
+display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ drawRects(GL_RENDER);
+ glutSwapBuffers();
+}
+
+void
+myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0.0, 8.0, 0.0, 8.0, -0.5, 2.5);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, depth buffer, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+ glutInitWindowSize(200, 200);
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+ glutInit(&argc, argv);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutMouseFunc(pickRects);
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/picksquare.c b/progs/redbook/picksquare.c
new file mode 100644
index 0000000000..0a12aa0fac
--- /dev/null
+++ b/progs/redbook/picksquare.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * picksquare.c
+ * Use of multiple names and picking are demonstrated.
+ * A 3x3 grid of squares is drawn. When the left mouse
+ * button is pressed, all squares under the cursor position
+ * have their color changed.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+int board[3][3]; /* amount of color for each square */
+
+/* Clear color value for every square on the board */
+void init(void)
+{
+ int i, j;
+ for (i = 0; i < 3; i++)
+ for (j = 0; j < 3; j ++)
+ board[i][j] = 0;
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+/* The nine squares are drawn. In selection mode, each
+ * square is given two names: one for the row and the
+ * other for the column on the grid. The color of each
+ * square is determined by its position on the grid, and
+ * the value in the board[][] array.
+ */
+void drawSquares(GLenum mode)
+{
+ GLuint i, j;
+ for (i = 0; i < 3; i++) {
+ if (mode == GL_SELECT)
+ glLoadName (i);
+ for (j = 0; j < 3; j ++) {
+ if (mode == GL_SELECT)
+ glPushName (j);
+ glColor3f ((GLfloat) i/3.0, (GLfloat) j/3.0,
+ (GLfloat) board[i][j]/3.0);
+ glRecti (i, j, i+1, j+1);
+ if (mode == GL_SELECT)
+ glPopName ();
+ }
+ }
+}
+
+/* processHits prints out the contents of the
+ * selection array.
+ */
+void processHits (GLint hits, GLuint buffer[])
+{
+ unsigned int i, j;
+ GLuint ii, jj, names, *ptr;
+
+ printf ("hits = %d\n", hits);
+ ptr = (GLuint *) buffer;
+ for (i = 0; i < hits; i++) { /* for each hit */
+ names = *ptr;
+ printf (" number of names for this hit = %d\n", names); ptr++;
+ printf(" z1 is %g;", (float) *ptr/0x7fffffff); ptr++;
+ printf(" z2 is %g\n", (float) *ptr/0x7fffffff); ptr++;
+ printf (" names are ");
+ for (j = 0; j < names; j++) { /* for each name */
+ printf ("%d ", *ptr);
+ if (j == 0) /* set row and column */
+ ii = *ptr;
+ else if (j == 1)
+ jj = *ptr;
+ ptr++;
+ }
+ printf ("\n");
+ board[ii][jj] = (board[ii][jj] + 1) % 3;
+ }
+}
+
+/* pickSquares() sets up selection mode, name stack,
+ * and projection matrix for picking. Then the
+ * objects are drawn.
+ */
+#define BUFSIZE 512
+
+void pickSquares(int button, int state, int x, int y)
+{
+ GLuint selectBuf[BUFSIZE];
+ GLint hits;
+ GLint viewport[4];
+
+ if (button != GLUT_LEFT_BUTTON || state != GLUT_DOWN)
+ return;
+
+ glGetIntegerv (GL_VIEWPORT, viewport);
+
+ glSelectBuffer (BUFSIZE, selectBuf);
+ (void) glRenderMode (GL_SELECT);
+
+ glInitNames();
+ glPushName(0);
+
+ glMatrixMode (GL_PROJECTION);
+ glPushMatrix ();
+ glLoadIdentity ();
+/* create 5x5 pixel picking region near cursor location */
+ gluPickMatrix ((GLdouble) x, (GLdouble) (viewport[3] - y),
+ 5.0, 5.0, viewport);
+ gluOrtho2D (0.0, 3.0, 0.0, 3.0);
+ drawSquares (GL_SELECT);
+
+ glMatrixMode (GL_PROJECTION);
+ glPopMatrix ();
+ glFlush ();
+
+ hits = glRenderMode (GL_RENDER);
+ processHits (hits, selectBuf);
+ glutPostRedisplay();
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ drawSquares (GL_RENDER);
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D (0.0, 3.0, 0.0, 3.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/* Main Loop */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (100, 100);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutReshapeFunc (reshape);
+ glutDisplayFunc(display);
+ glutMouseFunc (pickSquares);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/plane.c b/progs/redbook/plane.c
new file mode 100644
index 0000000000..2b0cca06fa
--- /dev/null
+++ b/progs/redbook/plane.c
@@ -0,0 +1,157 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * plane.c
+ * This program demonstrates the use of local versus
+ * infinite lighting on a flat plane.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize material property, light source, and lighting model.
+ */
+void myinit(void)
+{
+ GLfloat mat_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+/* mat_specular and mat_shininess are NOT default values */
+ GLfloat mat_diffuse[] = { 0.4, 0.4, 0.4, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 15.0 };
+
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void drawPlane(void)
+{
+ glBegin (GL_QUADS);
+ glNormal3f (0.0, 0.0, 1.0);
+ glVertex3f (-1.0, -1.0, 0.0);
+ glVertex3f (0.0, -1.0, 0.0);
+ glVertex3f (0.0, 0.0, 0.0);
+ glVertex3f (-1.0, 0.0, 0.0);
+
+ glNormal3f (0.0, 0.0, 1.0);
+ glVertex3f (0.0, -1.0, 0.0);
+ glVertex3f (1.0, -1.0, 0.0);
+ glVertex3f (1.0, 0.0, 0.0);
+ glVertex3f (0.0, 0.0, 0.0);
+
+ glNormal3f (0.0, 0.0, 1.0);
+ glVertex3f (0.0, 0.0, 0.0);
+ glVertex3f (1.0, 0.0, 0.0);
+ glVertex3f (1.0, 1.0, 0.0);
+ glVertex3f (0.0, 1.0, 0.0);
+
+ glNormal3f (0.0, 0.0, 1.0);
+ glVertex3f (0.0, 0.0, 0.0);
+ glVertex3f (0.0, 1.0, 0.0);
+ glVertex3f (-1.0, 1.0, 0.0);
+ glVertex3f (-1.0, 0.0, 0.0);
+ glEnd();
+}
+
+void display (void)
+{
+ GLfloat infinite_light[] = { 1.0, 1.0, 1.0, 0.0 };
+ GLfloat local_light[] = { 1.0, 1.0, 1.0, 1.0 };
+
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glTranslatef (-1.5, 0.0, 0.0);
+ glLightfv (GL_LIGHT0, GL_POSITION, infinite_light);
+ drawPlane ();
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (1.5, 0.0, 0.0);
+ glLightfv (GL_LIGHT0, GL_POSITION, local_light);
+ drawPlane ();
+ glPopMatrix ();
+ glFlush ();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport (0, 0, w, h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ if (w <= h)
+ glOrtho (-1.5, 1.5, -1.5*(GLdouble)h/(GLdouble)w,
+ 1.5*(GLdouble)h/(GLdouble)w, -10.0, 10.0);
+ else
+ glOrtho (-1.5*(GLdouble)w/(GLdouble)h,
+ 1.5*(GLdouble)w/(GLdouble)h, -1.5, 1.5, -10.0, 10.0);
+ glMatrixMode (GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 200);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/planet.c b/progs/redbook/planet.c
new file mode 100644
index 0000000000..e13672d3f6
--- /dev/null
+++ b/progs/redbook/planet.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * planet.c
+ * This program shows how to composite modeling transformations
+ * to draw translated and rotated models.
+ * Interaction: pressing the d and y keys (day and year)
+ * alters the rotation of the planet around the sun.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int year = 0, day = 0;
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT);
+ glColor3f (1.0, 1.0, 1.0);
+
+ glPushMatrix();
+ glutWireSphere(1.0, 20, 16); /* draw sun */
+ glRotatef ((GLfloat) year, 0.0, 1.0, 0.0);
+ glTranslatef (2.0, 0.0, 0.0);
+ glRotatef ((GLfloat) day, 0.0, 1.0, 0.0);
+ glutWireSphere(0.2, 10, 8); /* draw smaller planet */
+ glPopMatrix();
+ glutSwapBuffers();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'd':
+ day = (day + 10) % 360;
+ glutPostRedisplay();
+ break;
+ case 'D':
+ day = (day - 10) % 360;
+ glutPostRedisplay();
+ break;
+ case 'y':
+ year = (year + 5) % 360;
+ glutPostRedisplay();
+ break;
+ case 'Y':
+ year = (year - 5) % 360;
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/polyoff.c b/progs/redbook/polyoff.c
new file mode 100644
index 0000000000..42887c9e0c
--- /dev/null
+++ b/progs/redbook/polyoff.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * polyoff.c
+ * This program demonstrates polygon offset to draw a shaded
+ * polygon and its wireframe counterpart without ugly visual
+ * artifacts ("stitching").
+ */
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef GL_VERSION_1_1
+GLuint list;
+GLint spinx = 0;
+GLint spiny = 0;
+GLfloat tdist = 0.0;
+GLfloat polyfactor = 1.0;
+GLfloat polyunits = 1.0;
+
+/* display() draws two spheres, one with a gray, diffuse material,
+ * the other sphere with a magenta material with a specular highlight.
+ */
+void display (void)
+{
+ GLfloat gray[] = { 0.8, 0.8, 0.8, 1.0 };
+ GLfloat black[] = { 0.0, 0.0, 0.0, 1.0 };
+
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix ();
+ glTranslatef (0.0, 0.0, tdist);
+ glRotatef ((GLfloat) spinx, 1.0, 0.0, 0.0);
+ glRotatef ((GLfloat) spiny, 0.0, 1.0, 0.0);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, gray);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, black);
+ glMaterialf(GL_FRONT, GL_SHININESS, 0.0);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_POLYGON_OFFSET_FILL);
+ glPolygonOffset(polyfactor, polyunits);
+ glCallList (list);
+ glDisable(GL_POLYGON_OFFSET_FILL);
+
+ glDisable(GL_LIGHTING);
+ glDisable(GL_LIGHT0);
+ glColor3f (1.0, 1.0, 1.0);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ glCallList (list);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+ glPopMatrix ();
+ glFlush ();
+}
+
+/* specify initial properties
+ * create display list with sphere
+ * initialize lighting and depth buffer
+ */
+void gfxinit (void)
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ GLfloat global_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+ glClearColor (0.0, 0.0, 0.0, 1.0);
+
+ list = glGenLists(1);
+ glNewList (list, GL_COMPILE);
+ glutSolidSphere(1.0, 20, 12);
+ glEndList ();
+
+ glEnable(GL_DEPTH_TEST);
+
+ glLightfv (GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv (GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv (GL_LIGHT0, GL_POSITION, light_position);
+ glLightModelfv (GL_LIGHT_MODEL_AMBIENT, global_ambient);
+}
+
+/* call when window is resized */
+void reshape(int width, int height)
+{
+ glViewport (0, 0, width, height);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluPerspective(45.0, (GLdouble)width/(GLdouble)height,
+ 1.0, 10.0);
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+ gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+}
+
+/* call when mouse button is pressed */
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y) {
+ switch (button) {
+ case GLUT_LEFT_BUTTON:
+ switch (state) {
+ case GLUT_DOWN:
+ spinx = (spinx + 5) % 360;
+ glutPostRedisplay();
+ break;
+ default:
+ break;
+ }
+ break;
+ case GLUT_MIDDLE_BUTTON:
+ switch (state) {
+ case GLUT_DOWN:
+ spiny = (spiny + 5) % 360;
+ glutPostRedisplay();
+ break;
+ default:
+ break;
+ }
+ break;
+ case GLUT_RIGHT_BUTTON:
+ switch (state) {
+ case GLUT_UP:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 't':
+ if (tdist < 4.0) {
+ tdist = (tdist + 0.5);
+ glutPostRedisplay();
+ }
+ break;
+ case 'T':
+ if (tdist > -5.0) {
+ tdist = (tdist - 0.5);
+ glutPostRedisplay();
+ }
+ break;
+ case 'F':
+ polyfactor = polyfactor + 0.1;
+ printf ("polyfactor is %f\n", polyfactor);
+ glutPostRedisplay();
+ break;
+ case 'f':
+ polyfactor = polyfactor - 0.1;
+ printf ("polyfactor is %f\n", polyfactor);
+ glutPostRedisplay();
+ break;
+ case 'U':
+ polyunits = polyunits + 1.0;
+ printf ("polyunits is %f\n", polyunits);
+ glutPostRedisplay();
+ break;
+ case 'u':
+ polyunits = polyunits - 1.0;
+ printf ("polyunits is %f\n", polyunits);
+ glutPostRedisplay();
+ break;
+ default:
+ break;
+ }
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc(reshape);
+ glutDisplayFunc(display);
+ glutMouseFunc(mouse);
+ glutKeyboardFunc(keyboard);
+ gfxinit();
+ glutMainLoop();
+ return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+ fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+ fprintf (stderr, "you may be able to modify this program to make it run.\n");
+ return 0;
+}
+#endif
diff --git a/progs/redbook/polys.c b/progs/redbook/polys.c
new file mode 100644
index 0000000000..2983bc5cc3
--- /dev/null
+++ b/progs/redbook/polys.c
@@ -0,0 +1,124 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * polys.c
+ * This program demonstrates polygon stippling.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+void display(void)
+{
+ GLubyte fly[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x03, 0x80, 0x01, 0xC0, 0x06, 0xC0, 0x03, 0x60, 0x04, 0x60, 0x06, 0x20,
+0x04, 0x30, 0x0C, 0x20, 0x04, 0x18, 0x18, 0x20, 0x04, 0x0C, 0x30, 0x20,
+0x04, 0x06, 0x60, 0x20, 0x44, 0x03, 0xC0, 0x22, 0x44, 0x01, 0x80, 0x22,
+0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22,
+0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22, 0x66, 0x01, 0x80, 0x66,
+0x33, 0x01, 0x80, 0xCC, 0x19, 0x81, 0x81, 0x98, 0x0C, 0xC1, 0x83, 0x30,
+0x07, 0xe1, 0x87, 0xe0, 0x03, 0x3f, 0xfc, 0xc0, 0x03, 0x31, 0x8c, 0xc0,
+0x03, 0x33, 0xcc, 0xc0, 0x06, 0x64, 0x26, 0x60, 0x0c, 0xcc, 0x33, 0x30,
+0x18, 0xcc, 0x33, 0x18, 0x10, 0xc4, 0x23, 0x08, 0x10, 0x63, 0xC6, 0x08,
+0x10, 0x30, 0x0c, 0x08, 0x10, 0x18, 0x18, 0x08, 0x10, 0x00, 0x00, 0x08};
+
+ GLubyte halftone[] = {
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55};
+
+ glClear (GL_COLOR_BUFFER_BIT);
+
+/* draw all polygons in white */
+ glColor3f (1.0, 1.0, 1.0);
+
+/* draw one solid, unstippled rectangle, */
+/* then two stippled rectangles */
+ glRectf (25.0, 25.0, 125.0, 125.0);
+ glEnable (GL_POLYGON_STIPPLE);
+ glPolygonStipple (fly);
+ glRectf (125.0, 25.0, 225.0, 125.0);
+ glPolygonStipple (halftone);
+ glRectf (225.0, 25.0, 325.0, 125.0);
+ glDisable (GL_POLYGON_STIPPLE);
+
+ glFlush ();
+}
+
+void myinit (void)
+{
+/* clear background to black */
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+static void reshape(GLsizei w, GLsizei h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (350, 150);
+ glutCreateWindow (argv[0]);
+ myinit ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/quadric.c b/progs/redbook/quadric.c
new file mode 100644
index 0000000000..4e46c85f82
--- /dev/null
+++ b/progs/redbook/quadric.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * quadric.c
+ * This program demonstrates the use of some of the gluQuadric*
+ * routines. Quadric objects are created with some quadric
+ * properties and the callback routine to handle errors.
+ * Note that the cylinder has no top or bottom and the circle
+ * has a hole in it.
+ */
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Win32 calling conventions. */
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+GLuint startList;
+
+void CALLBACK errorCallback(GLenum errorCode)
+{
+ const GLubyte *estring;
+
+ estring = gluErrorString(errorCode);
+ fprintf(stderr, "Quadric Error: %s\n", estring);
+ exit(0);
+}
+
+void init(void)
+{
+ GLUquadricObj *qobj;
+ GLfloat mat_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 50.0 };
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+ GLfloat model_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, model_ambient);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+
+/* Create 4 display lists, each with a different quadric object.
+ * Different drawing styles and surface normal specifications
+ * are demonstrated.
+ */
+ startList = glGenLists(4);
+ qobj = gluNewQuadric();
+ gluQuadricCallback(qobj, GLU_ERROR,
+ (GLvoid (CALLBACK*) ()) errorCallback);
+
+ gluQuadricDrawStyle(qobj, GLU_FILL); /* smooth shaded */
+ gluQuadricNormals(qobj, GLU_SMOOTH);
+ glNewList(startList, GL_COMPILE);
+ gluSphere(qobj, 0.75, 15, 10);
+ glEndList();
+
+ gluQuadricDrawStyle(qobj, GLU_FILL); /* flat shaded */
+ gluQuadricNormals(qobj, GLU_FLAT);
+ glNewList(startList+1, GL_COMPILE);
+ gluCylinder(qobj, 0.5, 0.3, 1.0, 15, 5);
+ glEndList();
+
+ gluQuadricDrawStyle(qobj, GLU_LINE); /* all polygons wireframe */
+ gluQuadricNormals(qobj, GLU_NONE);
+ glNewList(startList+2, GL_COMPILE);
+ gluDisk(qobj, 0.25, 1.0, 20, 4);
+ glEndList();
+
+ gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); /* boundary only */
+ gluQuadricNormals(qobj, GLU_NONE);
+ glNewList(startList+3, GL_COMPILE);
+ gluPartialDisk(qobj, 0.0, 1.0, 20, 4, 0.0, 225.0);
+ glEndList();
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix();
+
+ glEnable(GL_LIGHTING);
+ glShadeModel (GL_SMOOTH);
+ glTranslatef(-1.0, -1.0, 0.0);
+ glCallList(startList);
+
+ glShadeModel (GL_FLAT);
+ glTranslatef(0.0, 2.0, 0.0);
+ glPushMatrix();
+ glRotatef(300.0, 1.0, 0.0, 0.0);
+ glCallList(startList+1);
+ glPopMatrix();
+
+ glDisable(GL_LIGHTING);
+ glColor3f(0.0, 1.0, 1.0);
+ glTranslatef(2.0, -2.0, 0.0);
+ glCallList(startList+2);
+
+ glColor3f(1.0, 1.0, 0.0);
+ glTranslatef(0.0, 2.0, 0.0);
+ glCallList(startList+3);
+
+ glPopMatrix();
+ glFlush();
+}
+
+void reshape (int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho(-2.5*(GLfloat)w/(GLfloat)h,
+ 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(500, 500);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/robot.c b/progs/redbook/robot.c
new file mode 100644
index 0000000000..94e20ac71e
--- /dev/null
+++ b/progs/redbook/robot.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * robot.c
+ * This program shows how to composite modeling transformations
+ * to draw translated and rotated hierarchical models.
+ * Interaction: pressing the s and e keys (shoulder and elbow)
+ * alters the rotation of the robot arm.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int shoulder = 0, elbow = 0;
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT);
+ glPushMatrix();
+ glTranslatef (-1.0, 0.0, 0.0);
+ glRotatef ((GLfloat) shoulder, 0.0, 0.0, 1.0);
+ glTranslatef (1.0, 0.0, 0.0);
+ glPushMatrix();
+ glScalef (2.0, 0.4, 1.0);
+ glutWireCube (1.0);
+ glPopMatrix();
+
+ glTranslatef (1.0, 0.0, 0.0);
+ glRotatef ((GLfloat) elbow, 0.0, 0.0, 1.0);
+ glTranslatef (1.0, 0.0, 0.0);
+ glPushMatrix();
+ glScalef (2.0, 0.4, 1.0);
+ glutWireCube (1.0);
+ glPopMatrix();
+
+ glPopMatrix();
+ glutSwapBuffers();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluPerspective(65.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef (0.0, 0.0, -5.0);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 's':
+ shoulder = (shoulder + 5) % 360;
+ glutPostRedisplay();
+ break;
+ case 'S':
+ shoulder = (shoulder - 5) % 360;
+ glutPostRedisplay();
+ break;
+ case 'e':
+ elbow = (elbow + 5) % 360;
+ glutPostRedisplay();
+ break;
+ case 'E':
+ elbow = (elbow - 5) % 360;
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/sccolorlight.c b/progs/redbook/sccolorlight.c
new file mode 100644
index 0000000000..191f266043
--- /dev/null
+++ b/progs/redbook/sccolorlight.c
@@ -0,0 +1,127 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * sccolorlight.c
+ * This program demonstrates the use of a colored
+ * (magenta, in this example) light source. Objects
+ * are drawn using a grey material characteristic.
+ * A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize material property and light source.
+ */
+void myinit(void)
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 0.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 0.0, 1.0, 1.0 };
+/* light_position is NOT default value */
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix ();
+ glRotatef (20.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.75, 0.5, 0.0);
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutSolidTorus (0.275, 0.85, 20, 20);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.5, 0.0);
+ glRotatef (270.0, 1.0, 0.0, 0.0);
+ glutSolidCone (1.0, 2.0, 20, 20);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.0, -1.0);
+ glutSolidSphere (1.0, 20, 20);
+ glPopMatrix ();
+
+ glPopMatrix ();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+ 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/scene.c b/progs/redbook/scene.c
new file mode 100644
index 0000000000..428e8bd7a1
--- /dev/null
+++ b/progs/redbook/scene.c
@@ -0,0 +1,127 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * scene.c
+ * This program demonstrates the use of the GL lighting model.
+ * Objects are drawn using a grey material characteristic.
+ * A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize material property and light source.
+ */
+void myinit (void)
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/* light_position is NOT default value */
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glLightfv (GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv (GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv (GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable (GL_LIGHTING);
+ glEnable (GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void display (void)
+{
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glRotatef (20.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.75, 0.5, 0.0);
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutSolidTorus (0.275, 0.85, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.5, 0.0);
+ glRotatef (270.0, 1.0, 0.0, 0.0);
+ glutSolidCone (1.0, 2.0, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.0, -1.0);
+ glutSolidSphere (1.0, 15, 15);
+ glPopMatrix ();
+
+ glPopMatrix ();
+ glFlush ();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport (0, 0, w, h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ if (w <= h)
+ glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+ 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode (GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutCreateWindow (argv[0]);
+ myinit ();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/scenebamb.c b/progs/redbook/scenebamb.c
new file mode 100644
index 0000000000..a3449b5809
--- /dev/null
+++ b/progs/redbook/scenebamb.c
@@ -0,0 +1,126 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * scenebamb.c
+ * This program demonstrates use of a blue ambient light
+ * source.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize light source and lighting.
+ */
+void myinit(void)
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 1.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/* light_position is NOT default value */
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glRotatef (20.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.75, 0.5, 0.0);
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutSolidTorus (0.275, 0.85, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.5, 0.0);
+ glRotatef (270.0, 1.0, 0.0, 0.0);
+ glutSolidCone (1.0, 2.0, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.0, -1.0);
+ glutSolidSphere (1.0, 15, 15);
+ glPopMatrix ();
+
+ glPopMatrix ();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+ 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/sceneflat.c b/progs/redbook/sceneflat.c
new file mode 100644
index 0000000000..5ab2037e4c
--- /dev/null
+++ b/progs/redbook/sceneflat.c
@@ -0,0 +1,126 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * sceneflat.c
+ * This program draws lighted objects with flat shading.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize light source and shading model (GL_FLAT).
+ */
+void myinit(void)
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/* light_position is NOT default value */
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glRotatef (20.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.75, 0.5, 0.0);
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutSolidTorus (0.275, 0.85, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.5, 0.0);
+ glRotatef (270.0, 1.0, 0.0, 0.0);
+ glutSolidCone (1.0, 2.0, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.0, -1.0);
+ glutSolidSphere (1.0, 15, 15);
+ glPopMatrix ();
+
+ glPopMatrix ();
+ glFlush();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+ 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/select.c b/progs/redbook/select.c
new file mode 100644
index 0000000000..4f413e73ce
--- /dev/null
+++ b/progs/redbook/select.c
@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * select.c
+ * This is an illustration of the selection mode and
+ * name stack, which detects whether objects which collide
+ * with a viewing volume. First, four triangles and a
+ * rectangular box representing a viewing volume are drawn
+ * (drawScene routine). The green triangle and yellow
+ * triangles appear to lie within the viewing volume, but
+ * the red triangle appears to lie outside it. Then the
+ * selection mode is entered (selectObjects routine).
+ * Drawing to the screen ceases. To see if any collisions
+ * occur, the four triangles are called. In this example,
+ * the green triangle causes one hit with the name 1, and
+ * the yellow triangles cause one hit with the name 3.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* draw a triangle with vertices at (x1, y1), (x2, y2)
+ * and (x3, y3) at z units away from the origin.
+ */
+void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2,
+ GLfloat y2, GLfloat x3, GLfloat y3, GLfloat z)
+{
+ glBegin (GL_TRIANGLES);
+ glVertex3f (x1, y1, z);
+ glVertex3f (x2, y2, z);
+ glVertex3f (x3, y3, z);
+ glEnd ();
+}
+
+/* draw a rectangular box with these outer x, y, and z values */
+void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1,
+ GLfloat y2, GLfloat z1, GLfloat z2)
+{
+ glColor3f (1.0, 1.0, 1.0);
+ glBegin (GL_LINE_LOOP);
+ glVertex3f (x1, y1, -z1);
+ glVertex3f (x2, y1, -z1);
+ glVertex3f (x2, y2, -z1);
+ glVertex3f (x1, y2, -z1);
+ glEnd ();
+
+ glBegin (GL_LINE_LOOP);
+ glVertex3f (x1, y1, -z2);
+ glVertex3f (x2, y1, -z2);
+ glVertex3f (x2, y2, -z2);
+ glVertex3f (x1, y2, -z2);
+ glEnd ();
+
+ glBegin (GL_LINES); /* 4 lines */
+ glVertex3f (x1, y1, -z1);
+ glVertex3f (x1, y1, -z2);
+ glVertex3f (x1, y2, -z1);
+ glVertex3f (x1, y2, -z2);
+ glVertex3f (x2, y1, -z1);
+ glVertex3f (x2, y1, -z2);
+ glVertex3f (x2, y2, -z1);
+ glVertex3f (x2, y2, -z2);
+ glEnd ();
+}
+
+/* drawScene draws 4 triangles and a wire frame
+ * which represents the viewing volume.
+ */
+void drawScene (void)
+{
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluPerspective (40.0, 4.0/3.0, 1.0, 100.0);
+
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+ gluLookAt (7.5, 7.5, 12.5, 2.5, 2.5, -5.0, 0.0, 1.0, 0.0);
+ glColor3f (0.0, 1.0, 0.0); /* green triangle */
+ drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -5.0);
+ glColor3f (1.0, 0.0, 0.0); /* red triangle */
+ drawTriangle (2.0, 7.0, 3.0, 7.0, 2.5, 8.0, -5.0);
+ glColor3f (1.0, 1.0, 0.0); /* yellow triangles */
+ drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, 0.0);
+ drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -10.0);
+ drawViewVolume (0.0, 5.0, 0.0, 5.0, 0.0, 10.0);
+}
+
+/* processHits prints out the contents of the selection array
+ */
+void processHits (GLint hits, GLuint buffer[])
+{
+ unsigned int i, j;
+ GLuint names, *ptr;
+
+ printf ("hits = %d\n", hits);
+ ptr = (GLuint *) buffer;
+ for (i = 0; i < hits; i++) { /* for each hit */
+ names = *ptr;
+ printf (" number of names for hit = %d\n", names); ptr++;
+ printf(" z1 is %g;", (float) *ptr/0x7fffffff); ptr++;
+ printf(" z2 is %g\n", (float) *ptr/0x7fffffff); ptr++;
+ printf (" the name is ");
+ for (j = 0; j < names; j++) { /* for each name */
+ printf ("%d ", *ptr); ptr++;
+ }
+ printf ("\n");
+ }
+}
+
+/* selectObjects "draws" the triangles in selection mode,
+ * assigning names for the triangles. Note that the third
+ * and fourth triangles share one name, so that if either
+ * or both triangles intersects the viewing/clipping volume,
+ * only one hit will be registered.
+ */
+#define BUFSIZE 512
+
+void selectObjects(void)
+{
+ GLuint selectBuf[BUFSIZE];
+ GLint hits;
+
+ glSelectBuffer (BUFSIZE, selectBuf);
+ (void) glRenderMode (GL_SELECT);
+
+ glInitNames();
+ glPushName(0);
+
+ glPushMatrix ();
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ glOrtho (0.0, 5.0, 0.0, 5.0, 0.0, 10.0);
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+ glLoadName(1);
+ drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -5.0);
+ glLoadName(2);
+ drawTriangle (2.0, 7.0, 3.0, 7.0, 2.5, 8.0, -5.0);
+ glLoadName(3);
+ drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, 0.0);
+ drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -10.0);
+ glPopMatrix ();
+ glFlush ();
+
+ hits = glRenderMode (GL_RENDER);
+ processHits (hits, selectBuf);
+}
+
+void init (void)
+{
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ drawScene ();
+ selectObjects ();
+ glFlush();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/* Main Loop */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (200, 200);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/smooth.c b/progs/redbook/smooth.c
new file mode 100644
index 0000000000..9d22fc9025
--- /dev/null
+++ b/progs/redbook/smooth.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * smooth.c
+ * This program demonstrates smooth shading.
+ * A smooth shaded polygon is drawn in a 2-D projection.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_SMOOTH);
+}
+
+void triangle(void)
+{
+ glBegin (GL_TRIANGLES);
+ glColor3f (1.0, 0.0, 0.0);
+ glVertex2f (5.0, 5.0);
+ glColor3f (0.0, 1.0, 0.0);
+ glVertex2f (25.0, 5.0);
+ glColor3f (0.0, 0.0, 1.0);
+ glVertex2f (5.0, 25.0);
+ glEnd();
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT);
+ triangle ();
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ if (w <= h)
+ gluOrtho2D (0.0, 30.0, 0.0, 30.0 * (GLfloat) h/(GLfloat) w);
+ else
+ gluOrtho2D (0.0, 30.0 * (GLfloat) w/(GLfloat) h, 0.0, 30.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/stencil.c b/progs/redbook/stencil.c
new file mode 100644
index 0000000000..958cf85c8e
--- /dev/null
+++ b/progs/redbook/stencil.c
@@ -0,0 +1,162 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/* stencil.c
+ * This program draws two rotated tori in a window.
+ * A diamond in the center of the window masks out part
+ * of the scene. Within this mask, a different model
+ * (a sphere) is drawn in a different color.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+#define YELLOWMAT 1
+#define BLUEMAT 2
+
+void myinit (void)
+{
+ GLfloat yellow_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+ GLfloat yellow_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+
+ GLfloat blue_diffuse[] = { 0.1, 0.1, 0.7, 1.0 };
+ GLfloat blue_specular[] = { 0.1, 1.0, 1.0, 1.0 };
+
+ GLfloat position_one[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glNewList(YELLOWMAT, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, yellow_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, yellow_specular);
+ glMaterialf(GL_FRONT, GL_SHININESS, 64.0);
+ glEndList();
+
+ glNewList(BLUEMAT, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, blue_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, blue_specular);
+ glMaterialf(GL_FRONT, GL_SHININESS, 45.0);
+ glEndList();
+
+ glLightfv(GL_LIGHT0, GL_POSITION, position_one);
+
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHTING);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+
+ glClearStencil(0x0);
+ glEnable(GL_STENCIL_TEST);
+
+}
+
+/* Draw a sphere in a diamond-shaped section in the
+ * middle of a window with 2 tori.
+ */
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+/* draw blue sphere where the stencil is 1 */
+ glStencilFunc (GL_EQUAL, 0x1, 0x1);
+ glCallList (BLUEMAT);
+ glutSolidSphere (0.5, 15, 15);
+
+/* draw the tori where the stencil is not 1 */
+ glStencilFunc (GL_NOTEQUAL, 0x1, 0x1);
+ glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
+ glPushMatrix();
+ glRotatef (45.0, 0.0, 0.0, 1.0);
+ glRotatef (45.0, 0.0, 1.0, 0.0);
+ glCallList (YELLOWMAT);
+ glutSolidTorus (0.275, 0.85, 15, 15);
+ glPushMatrix();
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutSolidTorus (0.275, 0.85, 15, 15);
+ glPopMatrix();
+ glPopMatrix();
+
+ glFlush();
+}
+
+/* Whenever the window is reshaped, redefine the
+ * coordinate system and redraw the stencil area.
+ */
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+
+ glClear(GL_STENCIL_BUFFER_BIT);
+/* create a diamond shaped stencil area */
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-3.0, 3.0, -3.0, 3.0, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glStencilFunc (GL_ALWAYS, 0x1, 0x1);
+ glStencilOp (GL_REPLACE, GL_REPLACE, GL_REPLACE);
+ glBegin(GL_QUADS);
+ glVertex3f (-1.0, 0.0, 0.0);
+ glVertex3f (0.0, 1.0, 0.0);
+ glVertex3f (1.0, 0.0, 0.0);
+ glVertex3f (0.0, -1.0, 0.0);
+ glEnd();
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(45.0, (GLfloat) w/(GLfloat) h, 3.0, 7.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -5.0);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH | GLUT_STENCIL);
+ glutInitWindowSize (400, 400);
+ glutCreateWindow (argv[0]);
+ myinit ();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/stroke.c b/progs/redbook/stroke.c
new file mode 100644
index 0000000000..d8c75c89fe
--- /dev/null
+++ b/progs/redbook/stroke.c
@@ -0,0 +1,181 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * stroke.c
+ * This program demonstrates some characters of a
+ * stroke (vector) font. The characters are represented
+ * by display lists, which are given numbers which
+ * correspond to the ASCII values of the characters.
+ * Use of glCallLists() is demonstrated.
+ */
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#define PT 1
+#define STROKE 2
+#define END 3
+
+typedef struct charpoint {
+ GLfloat x, y;
+ int type;
+} CP;
+
+CP Adata[] = {
+ { 0, 0, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT},
+ {5, 9, PT}, {5, 0, STROKE}, {0, 5, PT}, {5, 5, END}
+};
+
+CP Edata[] = {
+ {5, 0, PT}, {0, 0, PT}, {0, 10, PT}, {5, 10, STROKE},
+ {0, 5, PT}, {4, 5, END}
+};
+
+CP Pdata[] = {
+ {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
+ {4, 5, PT}, {0, 5, END}
+};
+
+CP Rdata[] = {
+ {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
+ {4, 5, PT}, {0, 5, STROKE}, {3, 5, PT}, {5, 0, END}
+};
+
+CP Sdata[] = {
+ {0, 1, PT}, {1, 0, PT}, {4, 0, PT}, {5, 1, PT}, {5, 4, PT},
+ {4, 5, PT}, {1, 5, PT}, {0, 6, PT}, {0, 9, PT}, {1, 10, PT},
+ {4, 10, PT}, {5, 9, END}
+};
+
+/* drawLetter() interprets the instructions from the array
+ * for that letter and renders the letter with line segments.
+ */
+void drawLetter(CP *l)
+{
+ glBegin(GL_LINE_STRIP);
+ for (;;) {
+ switch (l->type) {
+ case PT:
+ glVertex2fv(&l->x);
+ break;
+ case STROKE:
+ glVertex2fv(&l->x);
+ glEnd();
+ glBegin(GL_LINE_STRIP);
+ break;
+ case END:
+ glVertex2fv(&l->x);
+ glEnd();
+ glTranslatef(8.0, 0.0, 0.0);
+ return;
+ }
+ l++;
+ }
+}
+
+/* Create a display list for each of 6 characters */
+void myinit (void)
+{
+ GLuint base;
+
+ glShadeModel (GL_FLAT);
+
+ base = glGenLists (128);
+ glListBase(base);
+ glNewList(base+'A', GL_COMPILE); drawLetter(Adata); glEndList();
+ glNewList(base+'E', GL_COMPILE); drawLetter(Edata); glEndList();
+ glNewList(base+'P', GL_COMPILE); drawLetter(Pdata); glEndList();
+ glNewList(base+'R', GL_COMPILE); drawLetter(Rdata); glEndList();
+ glNewList(base+'S', GL_COMPILE); drawLetter(Sdata); glEndList();
+ glNewList(base+' ', GL_COMPILE); glTranslatef(8.0, 0.0, 0.0); glEndList();
+}
+
+char *test1 = "A SPARE SERAPE APPEARS AS";
+char *test2 = "APES PREPARE RARE PEPPERS";
+
+void printStrokedString(char *s)
+{
+ GLsizei len = (GLsizei) strlen(s);
+ glCallLists(len, GL_BYTE, (GLbyte *)s);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f(1.0, 1.0, 1.0);
+ glPushMatrix();
+ glScalef(2.0, 2.0, 2.0);
+ glTranslatef(10.0, 30.0, 0.0);
+ printStrokedString(test1);
+ glPopMatrix();
+ glPushMatrix();
+ glScalef(2.0, 2.0, 2.0);
+ glTranslatef(10.0, 13.0, 0.0);
+ printStrokedString(test2);
+ glPopMatrix();
+ glFlush();
+}
+
+static void reshape(GLsizei w, GLsizei h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (440, 120);
+ glutCreateWindow (argv[0]);
+ myinit ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/surface.c b/progs/redbook/surface.c
new file mode 100644
index 0000000000..fb2691eb7c
--- /dev/null
+++ b/progs/redbook/surface.c
@@ -0,0 +1,217 @@
+/* aux2glut conversion Copyright (c) Mark J. Kilgard, 1994, 1995 */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/**
+ * surface.c
+ * This program draws a NURBS surface in the shape of a
+ * symmetrical hill.
+ */
+#include <GL/glut.h>
+
+GLfloat ctlpoints[4][4][3];
+int showPoints = 0;
+
+GLUnurbsObj *theNurb;
+
+/*
+ * Initializes the control points of the surface to a small hill.
+ * The control points range from -3 to +3 in x, y, and z
+ */
+void init_surface(void)
+{
+ int u, v;
+ for (u = 0; u < 4; u++) {
+ for (v = 0; v < 4; v++) {
+ ctlpoints[u][v][0] = 2.0*((GLfloat)u - 1.5);
+ ctlpoints[u][v][1] = 2.0*((GLfloat)v - 1.5);
+
+ if ( (u == 1 || u == 2) && (v == 1 || v == 2))
+ ctlpoints[u][v][2] = 7.0;
+ else
+ ctlpoints[u][v][2] = -3.0;
+ }
+ }
+}
+
+/* Initialize material property and depth buffer.
+ */
+void myinit(void)
+{
+ GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 100.0 };
+
+ glClearColor (0.0, 0.0, 0.0, 1.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+
+ init_surface();
+
+ theNurb = gluNewNurbsRenderer();
+ gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
+ gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef (0.0, 0.0, -5.0);
+}
+
+void display(void)
+{
+ GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
+ int i, j;
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(330.0, 1.,0.,0.);
+ glScalef (0.25, 0.25, 0.25);
+
+ gluBeginSurface(theNurb);
+ gluNurbsSurface(theNurb,
+ 8, knots,
+ 8, knots,
+ 4 * 3,
+ 3,
+ &ctlpoints[0][0][0],
+ 4, 4,
+ GL_MAP2_VERTEX_3);
+ gluEndSurface(theNurb);
+
+ if(showPoints) {
+ glPointSize(5.0);
+ glDisable(GL_LIGHTING);
+ glColor3f(1.0, 1.0, 0.0);
+ glBegin(GL_POINTS);
+ for(i=0;i<4;i++) {
+ for(j=0;j<4;j++) {
+ glVertex3f(ctlpoints[i][j][0], ctlpoints[i][j][1], ctlpoints[i][j][2]);
+ }
+ }
+ glEnd();
+ glEnable(GL_LIGHTING);
+ }
+
+ glPopMatrix();
+ glutSwapBuffers();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective (45.0, (GLdouble)w/(GLdouble)h, 3.0, 8.0);
+
+ glMatrixMode(GL_MODELVIEW);
+}
+
+void
+menu(int value)
+{
+ switch (value) {
+ case 0:
+ case 1:
+ showPoints = value;
+ break;
+ case 2:
+ gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+ break;
+ case 3:
+ gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_OUTLINE_POLYGON);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+int down = 0, lastx;
+
+/* ARGSUSED1 */
+void
+motion(int x, int y)
+{
+ if (down) {
+ glRotatef(lastx - x, 0, 1, 0);
+ lastx = x;
+ glutPostRedisplay();
+ }
+}
+
+/* ARGSUSED3 */
+void
+mouse(int button, int state, int x, int y)
+{
+ if (button == GLUT_LEFT_BUTTON) {
+ if (state == GLUT_DOWN) {
+ lastx = x;
+ down = 1;
+ } else {
+ down = 0;
+ }
+ }
+}
+
+/* Main Loop */
+int
+main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(reshape);
+ glutDisplayFunc(display);
+ glutCreateMenu(menu);
+ glutAddMenuEntry("Show control points", 1);
+ glutAddMenuEntry("Hide control points", 0);
+ glutAddMenuEntry("Solid", 2);
+ glutAddMenuEntry("Wireframe", 3);
+ glutAttachMenu(GLUT_RIGHT_BUTTON);
+ glutMouseFunc(mouse);
+ glutMotionFunc(motion);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/teaambient.c b/progs/redbook/teaambient.c
new file mode 100644
index 0000000000..62c091c70a
--- /dev/null
+++ b/progs/redbook/teaambient.c
@@ -0,0 +1,148 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/**
+ * teaambient.c
+ * This program renders three lighted, shaded teapots, with
+ * different ambient values.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize light source and lighting model.
+ */
+void
+myinit(void)
+{
+ GLfloat light_ambient[] =
+ {0.0, 0.0, 0.0, 1.0};
+ GLfloat light_diffuse[] =
+ {1.0, 1.0, 1.0, 1.0};
+ GLfloat light_specular[] =
+ {1.0, 1.0, 1.0, 1.0};
+/* light_position is NOT default value */
+ GLfloat light_position[] =
+ {1.0, 0.0, 0.0, 0.0};
+ GLfloat global_ambient[] =
+ {0.75, 0.75, 0.75, 1.0};
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, global_ambient);
+
+ glFrontFace(GL_CW);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void
+display(void)
+{
+ GLfloat low_ambient[] =
+ {0.1, 0.1, 0.1, 1.0};
+ GLfloat more_ambient[] =
+ {0.4, 0.4, 0.4, 1.0};
+ GLfloat most_ambient[] =
+ {1.0, 1.0, 1.0, 1.0};
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ /* material has small ambient reflection */
+ glMaterialfv(GL_FRONT, GL_AMBIENT, low_ambient);
+ glMaterialf(GL_FRONT, GL_SHININESS, 40.0);
+ glPushMatrix();
+ glTranslatef(0.0, 2.0, 0.0);
+ glutSolidTeapot(1.0);
+ glPopMatrix();
+
+ /* material has moderate ambient reflection */
+ glMaterialfv(GL_FRONT, GL_AMBIENT, more_ambient);
+ glPushMatrix();
+ glTranslatef(0.0, 0.0, 0.0);
+ glutSolidTeapot(1.0);
+ glPopMatrix();
+
+ /* material has large ambient reflection */
+ glMaterialfv(GL_FRONT, GL_AMBIENT, most_ambient);
+ glPushMatrix();
+ glTranslatef(0.0, -2.0, 0.0);
+ glutSolidTeapot(1.0);
+ glPopMatrix();
+ glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w,
+ 4.0 * (GLfloat) h / (GLfloat) w, -10.0, 10.0);
+ else
+ glOrtho(-4.0 * (GLfloat) w / (GLfloat) h,
+ 4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(500, 500);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/teapots.c b/progs/redbook/teapots.c
new file mode 100644
index 0000000000..2431cae735
--- /dev/null
+++ b/progs/redbook/teapots.c
@@ -0,0 +1,206 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/**
+ * teapots.c
+ * This program demonstrates lots of material properties.
+ * A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*
+ * Initialize depth buffer, projection matrix, light source, and lighting
+ * model. Do not specify a material property here.
+ */
+void
+myinit(void)
+{
+ GLfloat ambient[] =
+ {0.0, 0.0, 0.0, 1.0};
+ GLfloat diffuse[] =
+ {1.0, 1.0, 1.0, 1.0};
+ GLfloat position[] =
+ {0.0, 3.0, 3.0, 0.0};
+
+ GLfloat lmodel_ambient[] =
+ {0.2, 0.2, 0.2, 1.0};
+ GLfloat local_view[] =
+ {0.0};
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+ glFrontFace(GL_CW);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+ glEnable(GL_DEPTH_TEST);
+ glDepthFunc(GL_LESS);
+}
+
+/*
+ * Move object into position. Use 3rd through 12th parameters to specify the
+ * material property. Draw a teapot.
+ */
+void
+renderTeapot(GLfloat x, GLfloat y,
+ GLfloat ambr, GLfloat ambg, GLfloat ambb,
+ GLfloat difr, GLfloat difg, GLfloat difb,
+ GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
+{
+ float mat[4];
+
+ glPushMatrix();
+ glTranslatef(x, y, 0.0);
+ mat[0] = ambr;
+ mat[1] = ambg;
+ mat[2] = ambb;
+ mat[3] = 1.0;
+ glMaterialfv(GL_FRONT, GL_AMBIENT, mat);
+ mat[0] = difr;
+ mat[1] = difg;
+ mat[2] = difb;
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat);
+ mat[0] = specr;
+ mat[1] = specg;
+ mat[2] = specb;
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat);
+ glMaterialf(GL_FRONT, GL_SHININESS, shine * 128.0);
+ glutSolidTeapot(1.0);
+ glPopMatrix();
+}
+
+/**
+ * First column: emerald, jade, obsidian, pearl, ruby, turquoise
+ * 2nd column: brass, bronze, chrome, copper, gold, silver
+ * 3rd column: black, cyan, green, red, white, yellow plastic
+ * 4th column: black, cyan, green, red, white, yellow rubber
+ */
+void
+display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ renderTeapot(2.0, 17.0, 0.0215, 0.1745, 0.0215,
+ 0.07568, 0.61424, 0.07568, 0.633, 0.727811, 0.633, 0.6);
+ renderTeapot(2.0, 14.0, 0.135, 0.2225, 0.1575,
+ 0.54, 0.89, 0.63, 0.316228, 0.316228, 0.316228, 0.1);
+ renderTeapot(2.0, 11.0, 0.05375, 0.05, 0.06625,
+ 0.18275, 0.17, 0.22525, 0.332741, 0.328634, 0.346435, 0.3);
+ renderTeapot(2.0, 8.0, 0.25, 0.20725, 0.20725,
+ 1, 0.829, 0.829, 0.296648, 0.296648, 0.296648, 0.088);
+ renderTeapot(2.0, 5.0, 0.1745, 0.01175, 0.01175,
+ 0.61424, 0.04136, 0.04136, 0.727811, 0.626959, 0.626959, 0.6);
+ renderTeapot(2.0, 2.0, 0.1, 0.18725, 0.1745,
+ 0.396, 0.74151, 0.69102, 0.297254, 0.30829, 0.306678, 0.1);
+ renderTeapot(6.0, 17.0, 0.329412, 0.223529, 0.027451,
+ 0.780392, 0.568627, 0.113725, 0.992157, 0.941176, 0.807843,
+ 0.21794872);
+ renderTeapot(6.0, 14.0, 0.2125, 0.1275, 0.054,
+ 0.714, 0.4284, 0.18144, 0.393548, 0.271906, 0.166721, 0.2);
+ renderTeapot(6.0, 11.0, 0.25, 0.25, 0.25,
+ 0.4, 0.4, 0.4, 0.774597, 0.774597, 0.774597, 0.6);
+ renderTeapot(6.0, 8.0, 0.19125, 0.0735, 0.0225,
+ 0.7038, 0.27048, 0.0828, 0.256777, 0.137622, 0.086014, 0.1);
+ renderTeapot(6.0, 5.0, 0.24725, 0.1995, 0.0745,
+ 0.75164, 0.60648, 0.22648, 0.628281, 0.555802, 0.366065, 0.4);
+ renderTeapot(6.0, 2.0, 0.19225, 0.19225, 0.19225,
+ 0.50754, 0.50754, 0.50754, 0.508273, 0.508273, 0.508273, 0.4);
+ renderTeapot(10.0, 17.0, 0.0, 0.0, 0.0, 0.01, 0.01, 0.01,
+ 0.50, 0.50, 0.50, .25);
+ renderTeapot(10.0, 14.0, 0.0, 0.1, 0.06, 0.0, 0.50980392, 0.50980392,
+ 0.50196078, 0.50196078, 0.50196078, .25);
+ renderTeapot(10.0, 11.0, 0.0, 0.0, 0.0,
+ 0.1, 0.35, 0.1, 0.45, 0.55, 0.45, .25);
+ renderTeapot(10.0, 8.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0,
+ 0.7, 0.6, 0.6, .25);
+ renderTeapot(10.0, 5.0, 0.0, 0.0, 0.0, 0.55, 0.55, 0.55,
+ 0.70, 0.70, 0.70, .25);
+ renderTeapot(10.0, 2.0, 0.0, 0.0, 0.0, 0.5, 0.5, 0.0,
+ 0.60, 0.60, 0.50, .25);
+ renderTeapot(14.0, 17.0, 0.02, 0.02, 0.02, 0.01, 0.01, 0.01,
+ 0.4, 0.4, 0.4, .078125);
+ renderTeapot(14.0, 14.0, 0.0, 0.05, 0.05, 0.4, 0.5, 0.5,
+ 0.04, 0.7, 0.7, .078125);
+ renderTeapot(14.0, 11.0, 0.0, 0.05, 0.0, 0.4, 0.5, 0.4,
+ 0.04, 0.7, 0.04, .078125);
+ renderTeapot(14.0, 8.0, 0.05, 0.0, 0.0, 0.5, 0.4, 0.4,
+ 0.7, 0.04, 0.04, .078125);
+ renderTeapot(14.0, 5.0, 0.05, 0.05, 0.05, 0.5, 0.5, 0.5,
+ 0.7, 0.7, 0.7, .078125);
+ renderTeapot(14.0, 2.0, 0.05, 0.05, 0.0, 0.5, 0.5, 0.4,
+ 0.7, 0.7, 0.04, .078125);
+ glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(0.0, 16.0, 0.0, 16.0 * (GLfloat) h / (GLfloat) w,
+ -10.0, 10.0);
+ else
+ glOrtho(0.0, 16.0 * (GLfloat) w / (GLfloat) h, 0.0, 16.0,
+ -10.0, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+/*
+ * Main Loop Open window with initial window size, title bar, RGBA display
+ * mode, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow(argv[0]);
+ myinit();
+ glutReshapeFunc(myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/tess.c b/progs/redbook/tess.c
new file mode 100644
index 0000000000..cef35dbbe9
--- /dev/null
+++ b/progs/redbook/tess.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * tess.c
+ * This program demonstrates polygon tessellation.
+ * Two tesselated objects are drawn. The first is a
+ * rectangle with a triangular hole. The second is a
+ * smooth shaded, self-intersecting star.
+ *
+ * Note the exterior rectangle is drawn with its vertices
+ * in counter-clockwise order, but its interior clockwise.
+ * Note the combineCallback is needed for the self-intersecting
+ * star. Also note that removing the TessProperty for the
+ * star will make the interior unshaded (WINDING_ODD).
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GLU_VERSION_1_2
+
+/* Win32 calling conventions. */
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+GLuint startList;
+
+void display (void) {
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f(1.0, 1.0, 1.0);
+ glCallList(startList);
+ glCallList(startList + 1);
+ glFlush();
+}
+
+void CALLBACK beginCallback(GLenum which)
+{
+ glBegin(which);
+}
+
+void CALLBACK errorCallback(GLenum errorCode)
+{
+ const GLubyte *estring;
+
+ estring = gluErrorString(errorCode);
+ fprintf(stderr, "Tessellation Error: %s\n", estring);
+ exit(0);
+}
+
+void CALLBACK endCallback(void)
+{
+ glEnd();
+}
+
+void CALLBACK vertexCallback(GLvoid *vertex)
+{
+ const GLdouble *pointer;
+
+ pointer = (GLdouble *) vertex;
+ glColor3dv(pointer+3);
+ glVertex3dv(vertex);
+}
+
+/* combineCallback is used to create a new vertex when edges
+ * intersect. coordinate location is trivial to calculate,
+ * but weight[4] may be used to average color, normal, or texture
+ * coordinate data. In this program, color is weighted.
+ */
+void CALLBACK combineCallback(GLdouble coords[3],
+ GLdouble *vertex_data[4],
+ GLfloat weight[4], GLdouble **dataOut )
+{
+ GLdouble *vertex;
+ int i;
+
+ vertex = (GLdouble *) malloc(6 * sizeof(GLdouble));
+
+ vertex[0] = coords[0];
+ vertex[1] = coords[1];
+ vertex[2] = coords[2];
+ for (i = 3; i < 7; i++)
+ vertex[i] = weight[0] * vertex_data[0][i]
+ + weight[1] * vertex_data[1][i]
+ + weight[2] * vertex_data[2][i]
+ + weight[3] * vertex_data[3][i];
+ *dataOut = vertex;
+}
+
+void init (void)
+{
+ GLUtesselator *tobj;
+ GLdouble rect[4][3] = {50.0, 50.0, 0.0,
+ 200.0, 50.0, 0.0,
+ 200.0, 200.0, 0.0,
+ 50.0, 200.0, 0.0};
+ GLdouble tri[3][3] = {75.0, 75.0, 0.0,
+ 125.0, 175.0, 0.0,
+ 175.0, 75.0, 0.0};
+ GLdouble star[5][6] = {250.0, 50.0, 0.0, 1.0, 0.0, 1.0,
+ 325.0, 200.0, 0.0, 1.0, 1.0, 0.0,
+ 400.0, 50.0, 0.0, 0.0, 1.0, 1.0,
+ 250.0, 150.0, 0.0, 1.0, 0.0, 0.0,
+ 400.0, 150.0, 0.0, 0.0, 1.0, 0.0};
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ startList = glGenLists(2);
+
+ tobj = gluNewTess();
+ gluTessCallback(tobj, GLU_TESS_VERTEX,
+ (GLvoid (CALLBACK*) ()) &glVertex3dv);
+ gluTessCallback(tobj, GLU_TESS_BEGIN,
+ (GLvoid (CALLBACK*) ()) &beginCallback);
+ gluTessCallback(tobj, GLU_TESS_END,
+ (GLvoid (CALLBACK*) ()) &endCallback);
+ gluTessCallback(tobj, GLU_TESS_ERROR,
+ (GLvoid (CALLBACK*) ()) &errorCallback);
+
+ /* rectangle with triangular hole inside */
+ glNewList(startList, GL_COMPILE);
+ glShadeModel(GL_FLAT);
+ gluTessBeginPolygon(tobj, NULL);
+ gluTessBeginContour(tobj);
+ gluTessVertex(tobj, rect[0], rect[0]);
+ gluTessVertex(tobj, rect[1], rect[1]);
+ gluTessVertex(tobj, rect[2], rect[2]);
+ gluTessVertex(tobj, rect[3], rect[3]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ gluTessVertex(tobj, tri[0], tri[0]);
+ gluTessVertex(tobj, tri[1], tri[1]);
+ gluTessVertex(tobj, tri[2], tri[2]);
+ gluTessEndContour(tobj);
+ gluTessEndPolygon(tobj);
+ glEndList();
+
+ gluTessCallback(tobj, GLU_TESS_VERTEX,
+ (GLvoid (CALLBACK*) ()) &vertexCallback);
+ gluTessCallback(tobj, GLU_TESS_BEGIN,
+ (GLvoid (CALLBACK*) ()) &beginCallback);
+ gluTessCallback(tobj, GLU_TESS_END,
+ (GLvoid (CALLBACK*) ()) &endCallback);
+ gluTessCallback(tobj, GLU_TESS_ERROR,
+ (GLvoid (CALLBACK*) ()) &errorCallback);
+ gluTessCallback(tobj, GLU_TESS_COMBINE,
+ (GLvoid (CALLBACK*) ()) &combineCallback);
+
+ /* smooth shaded, self-intersecting star */
+ glNewList(startList + 1, GL_COMPILE);
+ glShadeModel(GL_SMOOTH);
+ gluTessProperty(tobj, GLU_TESS_WINDING_RULE,
+ GLU_TESS_WINDING_POSITIVE);
+ gluTessBeginPolygon(tobj, NULL);
+ gluTessBeginContour(tobj);
+ gluTessVertex(tobj, star[0], star[0]);
+ gluTessVertex(tobj, star[1], star[1]);
+ gluTessVertex(tobj, star[2], star[2]);
+ gluTessVertex(tobj, star[3], star[3]);
+ gluTessVertex(tobj, star[4], star[4]);
+ gluTessEndContour(tobj);
+ gluTessEndPolygon(tobj);
+ glEndList();
+ gluDeleteTess(tobj);
+}
+
+void reshape (int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize(500, 500);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
+
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates the new tesselator API in GLU 1.2.\n");
+ fprintf (stderr, "Your GLU library does not support this new interface, sorry.\n");
+ return 0;
+}
+#endif
diff --git a/progs/redbook/tesswind.c b/progs/redbook/tesswind.c
new file mode 100644
index 0000000000..455966a0b0
--- /dev/null
+++ b/progs/redbook/tesswind.c
@@ -0,0 +1,290 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * tesswind.c
+ * This program demonstrates the winding rule polygon
+ * tessellation property. Four tessellated objects are drawn,
+ * each with very different contours. When the w key is pressed,
+ * the objects are drawn with a different winding rule.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GLU_VERSION_1_2
+
+/* Win32 calling conventions. */
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+GLdouble currentWinding = GLU_TESS_WINDING_ODD;
+int currentShape = 0;
+GLUtesselator *tobj;
+GLuint list;
+
+/* Make four display lists,
+ * each with a different tessellated object.
+ */
+void makeNewLists (void) {
+ int i;
+ static GLdouble rects[12][3] =
+ {50.0, 50.0, 0.0, 300.0, 50.0, 0.0,
+ 300.0, 300.0, 0.0, 50.0, 300.0, 0.0,
+ 100.0, 100.0, 0.0, 250.0, 100.0, 0.0,
+ 250.0, 250.0, 0.0, 100.0, 250.0, 0.0,
+ 150.0, 150.0, 0.0, 200.0, 150.0, 0.0,
+ 200.0, 200.0, 0.0, 150.0, 200.0, 0.0};
+ static GLdouble spiral[16][3] =
+ {400.0, 250.0, 0.0, 400.0, 50.0, 0.0,
+ 50.0, 50.0, 0.0, 50.0, 400.0, 0.0,
+ 350.0, 400.0, 0.0, 350.0, 100.0, 0.0,
+ 100.0, 100.0, 0.0, 100.0, 350.0, 0.0,
+ 300.0, 350.0, 0.0, 300.0, 150.0, 0.0,
+ 150.0, 150.0, 0.0, 150.0, 300.0, 0.0,
+ 250.0, 300.0, 0.0, 250.0, 200.0, 0.0,
+ 200.0, 200.0, 0.0, 200.0, 250.0, 0.0};
+ static GLdouble quad1[4][3] =
+ {50.0, 150.0, 0.0, 350.0, 150.0, 0.0,
+ 350.0, 200.0, 0.0, 50.0, 200.0, 0.0};
+ static GLdouble quad2[4][3] =
+ {100.0, 100.0, 0.0, 300.0, 100.0, 0.0,
+ 300.0, 350.0, 0.0, 100.0, 350.0, 0.0};
+ static GLdouble tri[3][3] =
+ {200.0, 50.0, 0.0, 250.0, 300.0, 0.0,
+ 150.0, 300.0, 0.0};
+
+ gluTessProperty(tobj, GLU_TESS_WINDING_RULE,
+ currentWinding);
+
+ glNewList(list, GL_COMPILE);
+ gluTessBeginPolygon(tobj, NULL);
+ gluTessBeginContour(tobj);
+ for (i = 0; i < 4; i++)
+ gluTessVertex(tobj, rects[i], rects[i]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ for (i = 4; i < 8; i++)
+ gluTessVertex(tobj, rects[i], rects[i]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ for (i = 8; i < 12; i++)
+ gluTessVertex(tobj, rects[i], rects[i]);
+ gluTessEndContour(tobj);
+ gluTessEndPolygon(tobj);
+ glEndList();
+
+ glNewList(list+1, GL_COMPILE);
+ gluTessBeginPolygon(tobj, NULL);
+ gluTessBeginContour(tobj);
+ for (i = 0; i < 4; i++)
+ gluTessVertex(tobj, rects[i], rects[i]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ for (i = 7; i >= 4; i--)
+ gluTessVertex(tobj, rects[i], rects[i]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ for (i = 11; i >= 8; i--)
+ gluTessVertex(tobj, rects[i], rects[i]);
+ gluTessEndContour(tobj);
+ gluTessEndPolygon(tobj);
+ glEndList();
+
+ glNewList(list+2, GL_COMPILE);
+ gluTessBeginPolygon(tobj, NULL);
+ gluTessBeginContour(tobj);
+ for (i = 0; i < 16; i++)
+ gluTessVertex(tobj, spiral[i], spiral[i]);
+ gluTessEndContour(tobj);
+ gluTessEndPolygon(tobj);
+ glEndList();
+
+ glNewList(list+3, GL_COMPILE);
+ gluTessBeginPolygon(tobj, NULL);
+ gluTessBeginContour(tobj);
+ for (i = 0; i < 4; i++)
+ gluTessVertex(tobj, quad1[i], quad1[i]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ for (i = 0; i < 4; i++)
+ gluTessVertex(tobj, quad2[i], quad2[i]);
+ gluTessEndContour(tobj);
+ gluTessBeginContour(tobj);
+ for (i = 0; i < 3; i++)
+ gluTessVertex(tobj, tri[i], tri[i]);
+ gluTessEndContour(tobj);
+ gluTessEndPolygon(tobj);
+ glEndList();
+}
+
+void display (void) {
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f(1.0, 1.0, 1.0);
+ glPushMatrix();
+ glCallList(list);
+ glTranslatef(0.0, 500.0, 0.0);
+ glCallList(list+1);
+ glTranslatef(500.0, -500.0, 0.0);
+ glCallList(list+2);
+ glTranslatef(0.0, 500.0, 0.0);
+ glCallList(list+3);
+ glPopMatrix();
+ glFlush();
+}
+
+void CALLBACK beginCallback(GLenum which)
+{
+ glBegin(which);
+}
+
+void CALLBACK errorCallback(GLenum errorCode)
+{
+ const GLubyte *estring;
+
+ estring = gluErrorString(errorCode);
+ fprintf(stderr, "Tessellation Error: %s\n", estring);
+ exit(0);
+}
+
+void CALLBACK endCallback(void)
+{
+ glEnd();
+}
+
+/* combineCallback is used to create a new vertex when edges
+ * intersect. coordinate location is trivial to calculate,
+ * but weight[4] may be used to average color, normal, or texture
+ * coordinate data.
+ */
+/* ARGSUSED */
+void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
+ GLfloat weight[4], GLdouble **dataOut )
+{
+ GLdouble *vertex;
+ vertex = (GLdouble *) malloc(3 * sizeof(GLdouble));
+
+ vertex[0] = coords[0];
+ vertex[1] = coords[1];
+ vertex[2] = coords[2];
+ *dataOut = vertex;
+}
+
+void init(void)
+{
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glShadeModel(GL_FLAT);
+
+ tobj = gluNewTess();
+ gluTessCallback(tobj, GLU_TESS_VERTEX,
+ (GLvoid (CALLBACK*) ()) &glVertex3dv);
+ gluTessCallback(tobj, GLU_TESS_BEGIN,
+ (GLvoid (CALLBACK*) ()) &beginCallback);
+ gluTessCallback(tobj, GLU_TESS_END,
+ (GLvoid (CALLBACK*) ()) &endCallback);
+ gluTessCallback(tobj, GLU_TESS_ERROR,
+ (GLvoid (CALLBACK*) ()) &errorCallback);
+ gluTessCallback(tobj, GLU_TESS_COMBINE,
+ (GLvoid (CALLBACK*) ()) &combineCallback);
+
+ list = glGenLists(4);
+ makeNewLists();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ gluOrtho2D(0.0, 1000.0, 0.0, 1000.0 * (GLdouble)h/(GLdouble)w);
+ else
+ gluOrtho2D(0.0, 1000.0 * (GLdouble)w/(GLdouble)h, 0.0, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'w':
+ case 'W':
+ if (currentWinding == GLU_TESS_WINDING_ODD)
+ currentWinding = GLU_TESS_WINDING_NONZERO;
+ else if (currentWinding == GLU_TESS_WINDING_NONZERO)
+ currentWinding = GLU_TESS_WINDING_POSITIVE;
+ else if (currentWinding == GLU_TESS_WINDING_POSITIVE)
+ currentWinding = GLU_TESS_WINDING_NEGATIVE;
+ else if (currentWinding == GLU_TESS_WINDING_NEGATIVE)
+ currentWinding = GLU_TESS_WINDING_ABS_GEQ_TWO;
+ else if (currentWinding == GLU_TESS_WINDING_ABS_GEQ_TWO)
+ currentWinding = GLU_TESS_WINDING_ODD;
+ makeNewLists();
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize(500, 500);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
+
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates the new tesselator API in GLU 1.2.\n");
+ fprintf (stderr, "Your GLU library does not support this new interface, sorry.\n");
+ return 0;
+}
+#endif
diff --git a/progs/redbook/texbind.c b/progs/redbook/texbind.c
new file mode 100644
index 0000000000..92c226fbdb
--- /dev/null
+++ b/progs/redbook/texbind.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* texbind.c
+ * This program demonstrates using glBindTexture() by
+ * creating and managing two textures.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GL_VERSION_1_1
+/* Create checkerboard texture */
+#define checkImageWidth 64
+#define checkImageHeight 64
+static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
+static GLubyte otherImage[checkImageHeight][checkImageWidth][4];
+
+static GLuint texName[2];
+
+void makeCheckImages(void)
+{
+ int i, j, c;
+
+ for (i = 0; i < checkImageHeight; i++) {
+ for (j = 0; j < checkImageWidth; j++) {
+ c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+ checkImage[i][j][0] = (GLubyte) c;
+ checkImage[i][j][1] = (GLubyte) c;
+ checkImage[i][j][2] = (GLubyte) c;
+ checkImage[i][j][3] = (GLubyte) 255;
+ c = ((((i&0x10)==0)^((j&0x10))==0))*255;
+ otherImage[i][j][0] = (GLubyte) c;
+ otherImage[i][j][1] = (GLubyte) 0;
+ otherImage[i][j][2] = (GLubyte) 0;
+ otherImage[i][j][3] = (GLubyte) 255;
+ }
+ }
+}
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel(GL_FLAT);
+ glEnable(GL_DEPTH_TEST);
+
+ makeCheckImages();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glGenTextures(2, texName);
+ glBindTexture(GL_TEXTURE_2D, texName[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+ GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
+ checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+ checkImage);
+
+ glBindTexture(GL_TEXTURE_2D, texName[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
+ checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+ otherImage);
+ glEnable(GL_TEXTURE_2D);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glBindTexture(GL_TEXTURE_2D, texName[0]);
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 1.0); glVertex3f(-2.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 1.0); glVertex3f(0.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+ glEnd();
+ glBindTexture(GL_TEXTURE_2D, texName[1]);
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 1.0); glVertex3f(1.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 1.0); glVertex3f(2.41421, 1.0, -1.41421);
+ glTexCoord2f(1.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+ glEnd();
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -3.6);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(250, 250);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutDisplayFunc(display);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+ fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+ fprintf (stderr, "you may be able to modify this program to make it run.\n");
+ return 0;
+}
+#endif
+
diff --git a/progs/redbook/texgen.c b/progs/redbook/texgen.c
new file mode 100644
index 0000000000..7c1802a3be
--- /dev/null
+++ b/progs/redbook/texgen.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* texgen.c
+ * This program draws a texture mapped teapot with
+ * automatically generated texture coordinates. The
+ * texture is rendered as stripes on the teapot.
+ * Initially, the object is drawn with texture coordinates
+ * based upon the object coordinates of the vertex
+ * and distance from the plane x = 0. Pressing the 'e'
+ * key changes the coordinate generation to eye coordinates
+ * of the vertex. Pressing the 'o' key switches it back
+ * to the object coordinates. Pressing the 's' key
+ * changes the plane to a slanted one (x + y + z = 0).
+ * Pressing the 'x' key switches it back to x = 0.
+ */
+
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define stripeImageWidth 32
+GLubyte stripeImage[4*stripeImageWidth];
+
+#ifdef GL_VERSION_1_1
+static GLuint texName;
+#endif
+
+void makeStripeImage(void)
+{
+ int j;
+
+ for (j = 0; j < stripeImageWidth; j++) {
+ stripeImage[4*j] = (GLubyte) ((j<=4) ? 255 : 0);
+ stripeImage[4*j+1] = (GLubyte) ((j>4) ? 255 : 0);
+ stripeImage[4*j+2] = (GLubyte) 0;
+ stripeImage[4*j+3] = (GLubyte) 255;
+ }
+}
+
+/* planes for texture coordinate generation */
+static GLfloat xequalzero[] = {1.0, 0.0, 0.0, 0.0};
+static GLfloat slanted[] = {1.0, 1.0, 1.0, 0.0};
+static GLfloat *currentCoeff;
+static GLenum currentPlane;
+static GLint currentGenMode;
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glEnable(GL_DEPTH_TEST);
+ glShadeModel(GL_SMOOTH);
+
+ makeStripeImage();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+#ifdef GL_VERSION_1_1
+ glGenTextures(1, &texName);
+ glBindTexture(GL_TEXTURE_1D, texName);
+#endif
+ glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+#ifdef GL_VERSION_1_1
+ glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA, stripeImageWidth, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, stripeImage);
+#else
+ glTexImage1D(GL_TEXTURE_1D, 0, 4, stripeImageWidth, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, stripeImage);
+#endif
+
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ currentCoeff = xequalzero;
+ currentGenMode = GL_OBJECT_LINEAR;
+ currentPlane = GL_OBJECT_PLANE;
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, currentGenMode);
+ glTexGenfv(GL_S, currentPlane, currentCoeff);
+
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_1D);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+ glFrontFace(GL_CW);
+ glCullFace(GL_BACK);
+ glMaterialf (GL_FRONT, GL_SHININESS, 64.0);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glRotatef(45.0, 0.0, 0.0, 1.0);
+#ifdef GL_VERSION_1_1
+ glBindTexture(GL_TEXTURE_1D, texName);
+#endif
+ glutSolidTeapot(2.0);
+ glPopMatrix ();
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho (-3.5, 3.5, -3.5*(GLfloat)h/(GLfloat)w,
+ 3.5*(GLfloat)h/(GLfloat)w, -3.5, 3.5);
+ else
+ glOrtho (-3.5*(GLfloat)w/(GLfloat)h,
+ 3.5*(GLfloat)w/(GLfloat)h, -3.5, 3.5, -3.5, 3.5);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'e':
+ case 'E':
+ currentGenMode = GL_EYE_LINEAR;
+ currentPlane = GL_EYE_PLANE;
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, currentGenMode);
+ glTexGenfv(GL_S, currentPlane, currentCoeff);
+ glutPostRedisplay();
+ break;
+ case 'o':
+ case 'O':
+ currentGenMode = GL_OBJECT_LINEAR;
+ currentPlane = GL_OBJECT_PLANE;
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, currentGenMode);
+ glTexGenfv(GL_S, currentPlane, currentCoeff);
+ glutPostRedisplay();
+ break;
+ case 's':
+ case 'S':
+ currentCoeff = slanted;
+ glTexGenfv(GL_S, currentPlane, currentCoeff);
+ glutPostRedisplay();
+ break;
+ case 'x':
+ case 'X':
+ currentCoeff = xequalzero;
+ glTexGenfv(GL_S, currentPlane, currentCoeff);
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(256, 256);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/texprox.c b/progs/redbook/texprox.c
new file mode 100644
index 0000000000..6f1e853fac
--- /dev/null
+++ b/progs/redbook/texprox.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * texprox.c
+ * The brief program illustrates use of texture proxies.
+ * This program only prints out some messages about whether
+ * certain size textures are supported and then exits.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GL_VERSION_1_1
+
+/* Microsoft OpenGL 1.1's <GL/gl.h> forgets to define
+ GL_TEXTURE_INTERNAL_FORMAT. */
+#ifndef GL_TEXTURE_INTERNAL_FORMAT
+#define GL_TEXTURE_INTERNAL_FORMAT GL_TEXTURE_COMPONENTS
+#endif
+
+void init(void)
+{
+ GLint proxyComponents;
+
+ putchar('\n');
+
+ glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA8,
+ 64, 64, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0,
+ GL_TEXTURE_INTERNAL_FORMAT, &proxyComponents);
+ printf ("Proxying 64x64 level 0 RGBA8 texture (level 0)\n");
+ if (proxyComponents == GL_RGBA8)
+ printf ("proxy allocation succeeded\n");
+ else
+ printf ("proxy allocation failed\n");
+ putchar('\n');
+
+ glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA16,
+ 2048, 2048, 0,
+ GL_RGBA, GL_UNSIGNED_SHORT, NULL);
+ glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0,
+ GL_TEXTURE_INTERNAL_FORMAT, &proxyComponents);
+ printf ("Proxying 2048x2048 level 0 RGBA16 texture (big so unlikely to be supported)\n");
+ if (proxyComponents == GL_RGBA16)
+ printf ("proxy allocation succeeded\n");
+ else
+ printf ("proxy allocation failed\n");
+ putchar('\n');
+}
+
+void display(void)
+{
+ exit(0);
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMainLoop();
+ return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+ fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+ fprintf (stderr, "you may be able to modify this program to make it run.\n");
+ return 0;
+}
+#endif
diff --git a/progs/redbook/texsub.c b/progs/redbook/texsub.c
new file mode 100644
index 0000000000..5dc36ec4e7
--- /dev/null
+++ b/progs/redbook/texsub.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* texsub.c
+ * This program texture maps a checkerboard image onto
+ * two rectangles. This program clamps the texture, if
+ * the texture coordinates fall outside 0.0 and 1.0.
+ * If the s key is pressed, a texture subimage is used to
+ * alter the original texture. If the r key is pressed,
+ * the original texture is restored.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GL_VERSION_1_1
+/* Create checkerboard textures */
+#define checkImageWidth 64
+#define checkImageHeight 64
+#define subImageWidth 16
+#define subImageHeight 16
+static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
+static GLubyte subImage[subImageHeight][subImageWidth][4];
+
+static GLuint texName;
+
+void makeCheckImages(void)
+{
+ int i, j, c;
+
+ for (i = 0; i < checkImageHeight; i++) {
+ for (j = 0; j < checkImageWidth; j++) {
+ c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+ checkImage[i][j][0] = (GLubyte) c;
+ checkImage[i][j][1] = (GLubyte) c;
+ checkImage[i][j][2] = (GLubyte) c;
+ checkImage[i][j][3] = (GLubyte) 255;
+ }
+ }
+ for (i = 0; i < subImageHeight; i++) {
+ for (j = 0; j < subImageWidth; j++) {
+ c = ((((i&0x4)==0)^((j&0x4))==0))*255;
+ subImage[i][j][0] = (GLubyte) c;
+ subImage[i][j][1] = (GLubyte) 0;
+ subImage[i][j][2] = (GLubyte) 0;
+ subImage[i][j][3] = (GLubyte) 255;
+ }
+ }
+}
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel(GL_FLAT);
+ glEnable(GL_DEPTH_TEST);
+
+ makeCheckImages();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glGenTextures(1, &texName);
+ glBindTexture(GL_TEXTURE_2D, texName);
+
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
+ 0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glBindTexture(GL_TEXTURE_2D, texName);
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 1.0); glVertex3f(-2.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 1.0); glVertex3f(0.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+
+ glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 1.0); glVertex3f(1.0, 1.0, 0.0);
+ glTexCoord2f(1.0, 1.0); glVertex3f(2.41421, 1.0, -1.41421);
+ glTexCoord2f(1.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+ glEnd();
+ glFlush();
+ glDisable(GL_TEXTURE_2D);
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -3.6);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 's':
+ case 'S':
+ glBindTexture(GL_TEXTURE_2D, texName);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 12, 44, subImageWidth,
+ subImageHeight, GL_RGBA,
+ GL_UNSIGNED_BYTE, subImage);
+ glutPostRedisplay();
+ break;
+ case 'r':
+ case 'R':
+ glBindTexture(GL_TEXTURE_2D, texName);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
+ checkImageHeight, 0, GL_RGBA,
+ GL_UNSIGNED_BYTE, checkImage);
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(250, 250);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+ fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+ fprintf (stderr, "you may be able to modify this program to make it run.\n");
+ return 0;
+}
+#endif
diff --git a/progs/redbook/texturesurf.c b/progs/redbook/texturesurf.c
new file mode 100644
index 0000000000..89cdbcc652
--- /dev/null
+++ b/progs/redbook/texturesurf.c
@@ -0,0 +1,141 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/* texturesurf.c
+ * This program uses evaluators to generate a curved
+ * surface and automatically generated texture coordinates.
+ */
+
+#include <stdlib.h>
+#include <GL/glut.h>
+#include <math.h>
+
+GLfloat ctrlpoints[4][4][3] = {
+ {{ -1.5, -1.5, 4.0}, { -0.5, -1.5, 2.0},
+ {0.5, -1.5, -1.0}, {1.5, -1.5, 2.0}},
+ {{ -1.5, -0.5, 1.0}, { -0.5, -0.5, 3.0},
+ {0.5, -0.5, 0.0}, {1.5, -0.5, -1.0}},
+ {{ -1.5, 0.5, 4.0}, { -0.5, 0.5, 0.0},
+ {0.5, 0.5, 3.0}, {1.5, 0.5, 4.0}},
+ {{ -1.5, 1.5, -2.0}, { -0.5, 1.5, -2.0},
+ {0.5, 1.5, 0.0}, {1.5, 1.5, -1.0}}
+};
+
+GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
+ {{1.0, 0.0}, {1.0, 1.0}}};
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glColor3f(1.0, 1.0, 1.0);
+ glEvalMesh2(GL_FILL, 0, 20, 0, 20);
+ glFlush();
+}
+
+#define imageWidth 64
+#define imageHeight 64
+GLubyte image[3*imageWidth*imageHeight];
+
+void makeImage(void)
+{
+ int i, j;
+ float ti, tj;
+
+ for (i = 0; i < imageWidth; i++) {
+ ti = 2.0*3.14159265*i/imageWidth;
+ for (j = 0; j < imageHeight; j++) {
+ tj = 2.0*3.14159265*j/imageHeight;
+
+ image[3*(imageHeight*i+j)] = (GLubyte) 127*(1.0+sin(ti));
+ image[3*(imageHeight*i+j)+1] = (GLubyte) 127*(1.0+cos(2*tj));
+ image[3*(imageHeight*i+j)+2] = (GLubyte) 127*(1.0+cos(ti+tj));
+ }
+ }
+}
+
+void myinit(void)
+{
+ glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
+ 0, 1, 12, 4, &ctrlpoints[0][0][0]);
+ glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2,
+ 0, 1, 4, 2, &texpts[0][0][0]);
+ glEnable(GL_MAP2_TEXTURE_COORD_2);
+ glEnable(GL_MAP2_VERTEX_3);
+ glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0);
+ makeImage();
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, imageWidth, imageHeight, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, image);
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_NORMALIZE);
+ glShadeModel (GL_FLAT);
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (w <= h)
+ glOrtho(-4.0, 4.0, -4.0*(GLfloat)h/(GLfloat)w,
+ 4.0*(GLfloat)h/(GLfloat)w, -4.0, 4.0);
+ else
+ glOrtho(-4.0*(GLfloat)w/(GLfloat)h,
+ 4.0*(GLfloat)w/(GLfloat)h, -4.0, 4.0, -4.0, 4.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glRotatef(85.0, 1.0, 1.0, 1.0);
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow (argv[0]);
+ myinit();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/progs/redbook/torus.c b/progs/redbook/torus.c
new file mode 100644
index 0000000000..7ae4d41e26
--- /dev/null
+++ b/progs/redbook/torus.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * torus.c
+ * This program demonstrates the creation of a display list.
+ */
+
+#include <GL/glut.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+GLuint theTorus;
+
+/* Draw a torus */
+static void torus(int numc, int numt)
+{
+ int i, j, k;
+ double s, t, x, y, z, twopi;
+
+ twopi = 2 * (double)M_PI;
+ for (i = 0; i < numc; i++) {
+ glBegin(GL_QUAD_STRIP);
+ for (j = 0; j <= numt; j++) {
+ for (k = 1; k >= 0; k--) {
+ s = (i + k) % numc + 0.5;
+ t = j % numt;
+
+ x = (1+.1*cos(s*twopi/numc))*cos(t*twopi/numt);
+ y = (1+.1*cos(s*twopi/numc))*sin(t*twopi/numt);
+ z = .1 * sin(s * twopi / numc);
+ glVertex3f(x, y, z);
+ }
+ }
+ glEnd();
+ }
+}
+
+/* Create display list with Torus and initialize state */
+static void init(void)
+{
+ theTorus = glGenLists (1);
+ glNewList(theTorus, GL_COMPILE);
+ torus(8, 25);
+ glEndList();
+
+ glShadeModel(GL_FLAT);
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+}
+
+/* Clear window and draw torus */
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f (1.0, 1.0, 1.0);
+ glCallList(theTorus);
+ glFlush();
+}
+
+/* Handle window resize */
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(30, (GLfloat) w/(GLfloat) h, 1.0, 100.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0);
+}
+
+/* Rotate about x-axis when "x" typed; rotate about y-axis
+ when "y" typed; "i" returns torus to original view */
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 'x':
+ case 'X':
+ glRotatef(30.,1.0,0.0,0.0);
+ glutPostRedisplay();
+ break;
+ case 'y':
+ case 'Y':
+ glRotatef(30.,0.0,1.0,0.0);
+ glutPostRedisplay();
+ break;
+ case 'i':
+ case 'I':
+ glLoadIdentity();
+ gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0);
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char **argv)
+{
+ glutInitWindowSize(200, 200);
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+ glutCreateWindow(argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutDisplayFunc(display);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/trim.c b/progs/redbook/trim.c
new file mode 100644
index 0000000000..26f474814c
--- /dev/null
+++ b/progs/redbook/trim.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * trim.c
+ * This program draws a NURBS surface in the shape of a
+ * symmetrical hill, using both a NURBS curve and pwl
+ * (piecewise linear) curve to trim part of the surface.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+#include <stdio.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+GLfloat ctlpoints[4][4][3];
+
+GLUnurbsObj *theNurb;
+
+/*
+ * Initializes the control points of the surface to a small hill.
+ * The control points range from -3 to +3 in x, y, and z
+ */
+void init_surface(void)
+{
+ int u, v;
+ for (u = 0; u < 4; u++) {
+ for (v = 0; v < 4; v++) {
+ ctlpoints[u][v][0] = 2.0*((GLfloat)u - 1.5);
+ ctlpoints[u][v][1] = 2.0*((GLfloat)v - 1.5);
+
+ if ( (u == 1 || u == 2) && (v == 1 || v == 2))
+ ctlpoints[u][v][2] = 3.0;
+ else
+ ctlpoints[u][v][2] = -3.0;
+ }
+ }
+}
+
+void nurbsError(GLenum errorCode)
+{
+ const GLubyte *estring;
+
+ estring = gluErrorString(errorCode);
+ fprintf (stderr, "Nurbs Error: %s\n", estring);
+ exit (0);
+}
+
+/* Initialize material property and depth buffer.
+ */
+void init(void)
+{
+ GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
+ GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat mat_shininess[] = { 100.0 };
+
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_AUTO_NORMAL);
+ glEnable(GL_NORMALIZE);
+
+ init_surface();
+
+ theNurb = gluNewNurbsRenderer();
+ gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
+ gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+ gluNurbsCallback(theNurb, GLU_ERROR,
+ (GLvoid (CALLBACK*) ()) nurbsError);
+}
+
+void display(void)
+{
+ GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
+ GLfloat edgePt[5][2] = /* counter clockwise */
+ {{0.0, 0.0}, {1.0, 0.0}, {1.0, 1.0}, {0.0, 1.0}, {0.0, 0.0}};
+ GLfloat curvePt[4][2] = /* clockwise */
+ {{0.25, 0.5}, {0.25, 0.75}, {0.75, 0.75}, {0.75, 0.5}};
+ GLfloat curveKnots[8] =
+ {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
+ GLfloat pwlPt[4][2] = /* clockwise */
+ {{0.75, 0.5}, {0.5, 0.25}, {0.25, 0.5}};
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glPushMatrix();
+ glRotatef(330.0, 1.,0.,0.);
+ glScalef (0.5, 0.5, 0.5);
+
+ gluBeginSurface(theNurb);
+ gluNurbsSurface(theNurb, 8, knots, 8, knots,
+ 4 * 3, 3, &ctlpoints[0][0][0],
+ 4, 4, GL_MAP2_VERTEX_3);
+ gluBeginTrim (theNurb);
+ gluPwlCurve (theNurb, 5, &edgePt[0][0], 2, GLU_MAP1_TRIM_2);
+ gluEndTrim (theNurb);
+ gluBeginTrim (theNurb);
+ gluNurbsCurve (theNurb, 8, curveKnots, 2,
+ &curvePt[0][0], 4, GLU_MAP1_TRIM_2);
+ gluPwlCurve (theNurb, 3, &pwlPt[0][0], 2, GLU_MAP1_TRIM_2);
+ gluEndTrim (theNurb);
+ gluEndSurface(theNurb);
+
+ glPopMatrix();
+ glFlush();
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective (45.0, (GLdouble)w/(GLdouble)h, 3.0, 8.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef (0.0, 0.0, -5.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/* Main Loop
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutReshapeFunc(reshape);
+ glutDisplayFunc(display);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/unproject.c b/progs/redbook/unproject.c
new file mode 100644
index 0000000000..134c361bac
--- /dev/null
+++ b/progs/redbook/unproject.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * unproject.c
+ * When the left mouse button is pressed, this program
+ * reads the mouse position and determines two 3D points
+ * from which it was transformed. Very little is displayed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glFlush();
+}
+
+/* Change these values for a different transformation */
+void reshape(int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective (45.0, (GLfloat) w/(GLfloat) h, 1.0, 100.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+void mouse(int button, int state, int x, int y)
+{
+ GLint viewport[4];
+ GLdouble mvmatrix[16], projmatrix[16];
+ GLint realy; /* OpenGL y coordinate position */
+ GLdouble wx, wy, wz; /* returned world x, y, z coords */
+
+ switch (button) {
+ case GLUT_LEFT_BUTTON:
+ if (state == GLUT_DOWN) {
+ glGetIntegerv (GL_VIEWPORT, viewport);
+ glGetDoublev (GL_MODELVIEW_MATRIX, mvmatrix);
+ glGetDoublev (GL_PROJECTION_MATRIX, projmatrix);
+/* note viewport[3] is height of window in pixels */
+ realy = viewport[3] - (GLint) y - 1;
+ printf ("Coordinates at cursor are (%4d, %4d)\n", x, realy);
+ gluUnProject ((GLdouble) x, (GLdouble) realy, 0.0,
+ mvmatrix, projmatrix, viewport, &wx, &wy, &wz);
+ printf ("World coords at z=0.0 are (%f, %f, %f)\n",
+ wx, wy, wz);
+ gluUnProject ((GLdouble) x, (GLdouble) realy, 1.0,
+ mvmatrix, projmatrix, viewport, &wx, &wy, &wz);
+ printf ("World coords at z=1.0 are (%f, %f, %f)\n",
+ wx, wy, wz);
+ }
+ break;
+ case GLUT_RIGHT_BUTTON:
+ if (state == GLUT_DOWN)
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+/*
+ * Open window, register input callback functions
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (500, 500);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc (keyboard);
+ glutMouseFunc(mouse);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/redbook/varray.c b/progs/redbook/varray.c
new file mode 100644
index 0000000000..b22e723e0e
--- /dev/null
+++ b/progs/redbook/varray.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * varray.c
+ * This program demonstrates vertex arrays.
+ */
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef GL_VERSION_1_1
+#define POINTER 1
+#define INTERLEAVED 2
+
+#define DRAWARRAY 1
+#define ARRAYELEMENT 2
+#define DRAWELEMENTS 3
+
+int setupMethod = POINTER;
+int derefMethod = DRAWARRAY;
+
+void setupPointers(void)
+{
+ static GLint vertices[] = {25, 25,
+ 100, 325,
+ 175, 25,
+ 175, 325,
+ 250, 25,
+ 325, 325};
+ static GLfloat colors[] = {1.0, 0.2, 0.2,
+ 0.2, 0.2, 1.0,
+ 0.8, 1.0, 0.2,
+ 0.75, 0.75, 0.75,
+ 0.35, 0.35, 0.35,
+ 0.5, 0.5, 0.5};
+
+ glEnableClientState (GL_VERTEX_ARRAY);
+ glEnableClientState (GL_COLOR_ARRAY);
+
+ glVertexPointer (2, GL_INT, 0, vertices);
+ glColorPointer (3, GL_FLOAT, 0, colors);
+}
+
+void setupInterleave(void)
+{
+ static GLfloat intertwined[] =
+ {1.0, 0.2, 1.0, 100.0, 100.0, 0.0,
+ 1.0, 0.2, 0.2, 0.0, 200.0, 0.0,
+ 1.0, 1.0, 0.2, 100.0, 300.0, 0.0,
+ 0.2, 1.0, 0.2, 200.0, 300.0, 0.0,
+ 0.2, 1.0, 1.0, 300.0, 200.0, 0.0,
+ 0.2, 0.2, 1.0, 200.0, 100.0, 0.0};
+
+ glInterleavedArrays (GL_C3F_V3F, 0, intertwined);
+}
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_SMOOTH);
+ setupPointers ();
+}
+
+void display(void)
+{
+ glClear (GL_COLOR_BUFFER_BIT);
+
+ if (derefMethod == DRAWARRAY)
+ glDrawArrays (GL_TRIANGLES, 0, 6);
+ else if (derefMethod == ARRAYELEMENT) {
+ glBegin (GL_TRIANGLES);
+ glArrayElement (2);
+ glArrayElement (3);
+ glArrayElement (5);
+ glEnd ();
+ }
+ else if (derefMethod == DRAWELEMENTS) {
+ GLuint indices[4] = {0, 1, 3, 4};
+
+ glDrawElements (GL_POLYGON, 4, GL_UNSIGNED_INT, indices);
+ }
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluOrtho2D (0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* ARGSUSED2 */
+void mouse (int button, int state, int x, int y)
+{
+ switch (button) {
+ case GLUT_LEFT_BUTTON:
+ if (state == GLUT_DOWN) {
+ if (setupMethod == POINTER) {
+ setupMethod = INTERLEAVED;
+ setupInterleave();
+ }
+ else if (setupMethod == INTERLEAVED) {
+ setupMethod = POINTER;
+ setupPointers();
+ }
+ glutPostRedisplay();
+ }
+ break;
+ case GLUT_MIDDLE_BUTTON:
+ case GLUT_RIGHT_BUTTON:
+ if (state == GLUT_DOWN) {
+ if (derefMethod == DRAWARRAY)
+ derefMethod = ARRAYELEMENT;
+ else if (derefMethod == ARRAYELEMENT)
+ derefMethod = DRAWELEMENTS;
+ else if (derefMethod == DRAWELEMENTS)
+ derefMethod = DRAWARRAY;
+ glutPostRedisplay();
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+ glutInitWindowSize (350, 350);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutMouseFunc(mouse);
+ glutKeyboardFunc (keyboard);
+ glutMainLoop();
+ return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+ fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+ fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+ fprintf (stderr, "you may be able to modify this program to make it run.\n");
+ return 0;
+}
+#endif
diff --git a/progs/redbook/wrap.c b/progs/redbook/wrap.c
new file mode 100644
index 0000000000..c67e04a7f3
--- /dev/null
+++ b/progs/redbook/wrap.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/* wrap.c
+ * This program texture maps a checkerboard image onto
+ * two rectangles. This program demonstrates the wrapping
+ * modes, if the texture coordinates fall outside 0.0 and 1.0.
+ * Interaction: Pressing the 's' and 'S' keys switch the
+ * wrapping between clamping and repeating for the s parameter.
+ * The 't' and 'T' keys control the wrapping for the t parameter.
+ *
+ * If running this program on OpenGL 1.0, texture objects are
+ * not used.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* Create checkerboard texture */
+#define checkImageWidth 64
+#define checkImageHeight 64
+static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
+
+#ifdef GL_VERSION_1_1
+static GLuint texName;
+#endif
+
+void makeCheckImage(void)
+{
+ int i, j, c;
+
+ for (i = 0; i < checkImageHeight; i++) {
+ for (j = 0; j < checkImageWidth; j++) {
+ c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+ checkImage[i][j][0] = (GLubyte) c;
+ checkImage[i][j][1] = (GLubyte) c;
+ checkImage[i][j][2] = (GLubyte) c;
+ checkImage[i][j][3] = (GLubyte) 255;
+ }
+ }
+}
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel(GL_FLAT);
+ glEnable(GL_DEPTH_TEST);
+
+ makeCheckImage();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+#ifdef GL_VERSION_1_1
+ glGenTextures(1, &texName);
+ glBindTexture(GL_TEXTURE_2D, texName);
+#endif
+
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+#ifdef GL_VERSION_1_1
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
+ 0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
+#else
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, checkImageWidth, checkImageHeight,
+ 0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
+#endif
+}
+
+void display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+#ifdef GL_VERSION_1_1
+ glBindTexture(GL_TEXTURE_2D, texName);
+#endif
+
+ glBegin(GL_QUADS);
+ glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 3.0); glVertex3f(-2.0, 1.0, 0.0);
+ glTexCoord2f(3.0, 3.0); glVertex3f(0.0, 1.0, 0.0);
+ glTexCoord2f(3.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+
+ glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+ glTexCoord2f(0.0, 3.0); glVertex3f(1.0, 1.0, 0.0);
+ glTexCoord2f(3.0, 3.0); glVertex3f(2.41421, 1.0, -1.41421);
+ glTexCoord2f(3.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+ glEnd();
+ glFlush();
+ glDisable(GL_TEXTURE_2D);
+}
+
+void reshape(int w, int h)
+{
+ glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -3.6);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 's':
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glutPostRedisplay();
+ break;
+ case 'S':
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glutPostRedisplay();
+ break;
+ case 't':
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glutPostRedisplay();
+ break;
+ case 'T':
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glutPostRedisplay();
+ break;
+ case 27:
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize(250, 250);
+ glutInitWindowPosition(100, 100);
+ glutCreateWindow(argv[0]);
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/Imakefile b/progs/samples/Imakefile
new file mode 100644
index 0000000000..457493214b
--- /dev/null
+++ b/progs/samples/Imakefile
@@ -0,0 +1,102 @@
+LOCAL_LIBRARIES = $(XLIB) $(TOP)\lib\glut.a $(TOP)\lib\Mesaglu.a $(TOP)\lib\MesaGL.a
+
+INCLUDES = -I$(TOP)\include
+
+SRCS = accum.c \
+ bitmap1.c \
+ bitmap2.c \
+ blendeq.c \
+ blendxor.c \
+ copy.c \
+ cursor.c \
+ depth.c \
+ eval.c \
+ fog.c \
+ font.c \
+ line.c \
+ logo.c \
+ nurb.c \
+ oglinfo.c \
+ olympic.c \
+ overlay.c \
+ point.c \
+ prim.c \
+ quad.c \
+ select.c \
+ shape.c \
+ speed.c \
+ sphere.c \
+ star.c \
+ stencil.c \
+ stretch.c \
+ texture.c \
+ tri.c \
+ wave.c
+
+PROGRAMS = ProgramTargetName(accum) \
+ ProgramTargetName(bitmap1) \
+ ProgramTargetName(bitmap2) \
+ ProgramTargetName(blendeq) \
+ ProgramTargetName(blendxor) \
+ ProgramTargetName(copy) \
+ ProgramTargetName(cursor) \
+ ProgramTargetName(depth) \
+ ProgramTargetName(eval) \
+ ProgramTargetName(fog) \
+ ProgramTargetName(font) \
+ ProgramTargetName(line) \
+ ProgramTargetName(logo) \
+ ProgramTargetName(nurb) \
+ ProgramTargetName(oglinfo) \
+ ProgramTargetName(olympic) \
+ ProgramTargetName(overlay) \
+ ProgramTargetName(point) \
+ ProgramTargetName(prim) \
+ ProgramTargetName(quad) \
+ ProgramTargetName(select) \
+ ProgramTargetName(shape) \
+ ProgramTargetName(speed) \
+ ProgramTargetName(sphere) \
+ ProgramTargetName(star) \
+ ProgramTargetName(stencil) \
+ ProgramTargetName(stretch) \
+ ProgramTargetName(texture) \
+ ProgramTargetName(tri) \
+ ProgramTargetName(wave)
+
+AllTarget($(PROGRAMS))
+
+NormalProgramTarget(accum,accum.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(bitmap1,bitmap1.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(bitmap2,bitmap2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(blendeq,blendeq.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(blendxor,blendxor.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(copy,copy.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(cursor,cursor.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(depth,depth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(eval,eval.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(fog,fog.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(font,font.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(line,line.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(logo,logo.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(nurb,nurb.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(oglinfo,oglinfo.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(olympic,olympic.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(overlay,overlay.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(point,point.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(prim,prim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(quad,quad.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(select,select.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(shape,shape.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(speed,speed.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(sphere,sphere.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(star,star.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(stencil,stencil.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(stretch,stretch.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(texture,texture.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(tri,tri.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+NormalProgramTarget(wave,wave.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)
+
+DependTarget()
+
+
diff --git a/progs/samples/Makefile.BeOS-R4 b/progs/samples/Makefile.BeOS-R4
new file mode 100644
index 0000000000..2e1e804cca
--- /dev/null
+++ b/progs/samples/Makefile.BeOS-R4
@@ -0,0 +1,64 @@
+# $Id: Makefile.BeOS-R4,v 1.1 1999/08/19 00:55:41 jtg Exp $
+
+# Mesa 3-D graphics library
+# Version: 3.1
+# Copyright (C) 1995-1999 Brian Paul
+#
+# This file is in the public domain.
+
+
+# Makefile for sample programs for BeOS R4
+
+
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -L/boot/home/config/lib -Xlinker -rpath $(LIBDIR) -lbe -lglut -lMesaGLU -lMesaGL $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
+ font line logo olympic overlay point prim select \
+ shape sphere star stencil stretch texture tri wave
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ $$prog ; \
+ echo ; \
+ done
+
+
+include ../Make-config
+
diff --git a/progs/samples/Makefile.DJ b/progs/samples/Makefile.DJ
new file mode 100644
index 0000000000..5c43b7db68
--- /dev/null
+++ b/progs/samples/Makefile.DJ
@@ -0,0 +1,36 @@
+# $Id: Makefile.DJ,v 1.1 1999/08/19 00:55:41 jtg Exp $
+
+# Makefile for sample programs for MS-DOS with DJGPP
+
+##### MACROS #####
+
+INCDIR = ../include
+
+GL_LIBS = ../lib/dosglut.a ../lib/dosglub.a ../lib/dosmesa.a
+
+LIB_DEP = $(GL_LIBS)
+
+PROGS = accum bitmap1 bitmap2 blendeq blendxor copy depth \
+ eval fog font line logo nurb olympic \
+ point prim quad select shape \
+ sphere star stencil stretch texture \
+ tri wave
+
+##### RULES #####
+
+.c: $(LIB_DEP)
+ gcc -I$(INCDIR) $(CFLAGS) $< $(LIB_DEP) -o $@
+
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+clean:
+ del *.
+
+realclean: clean
+ del *.exe
+
+
+
diff --git a/progs/samples/Makefile.X11 b/progs/samples/Makefile.X11
new file mode 100644
index 0000000000..e2393e8a41
--- /dev/null
+++ b/progs/samples/Makefile.X11
@@ -0,0 +1,61 @@
+# $Id: Makefile.X11,v 1.1 1999/08/19 00:55:41 jtg Exp $
+
+# Mesa 3-D graphics library
+# Version: 3.1
+# Copyright (C) 1995-1999 Brian Paul
+
+
+# Makefile for assorted SGI OpenGL demos
+
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -lglut -lGLU -lGL -lm $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
+ font line logo nurb oglinfo olympic overlay point prim quad select \
+ shape sphere star stencil stretch texture tri wave
+
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ ./$$prog; \
+ echo ; \
+ done
+
+
+include ../Make-config
diff --git a/progs/samples/Makefile.dja b/progs/samples/Makefile.dja
new file mode 100644
index 0000000000..f2d5382968
--- /dev/null
+++ b/progs/samples/Makefile.dja
@@ -0,0 +1,26 @@
+# $Id: Makefile.dja,v 1.1 1999/08/19 00:55:41 jtg Exp $
+
+# Makefile for sample programs for MS-DOS with DJGPP and ALLEGRO
+
+
+
+INCDIR = ../include
+LIBDIR = ../lib
+include ../common.dja
+
+ _PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth \
+ eval fog font line logo nurb oglinfo olympic overlay point \
+ prim quad select shape sphere star stencil stretch texture \
+ tri wave
+
+ PROGS = $(_PROGS:=.exe)
+
+
+default: $(PROGS)
+
+clean:
+ del *.
+
+realclean: clean
+ del *.exe
+
diff --git a/progs/samples/README b/progs/samples/README
new file mode 100644
index 0000000000..853158873c
--- /dev/null
+++ b/progs/samples/README
@@ -0,0 +1,520 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+accum - Accumulation test.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit
+ 1 Use filled polygon mode.
+ 2 Use outlined polygon mode.
+
+bitmap1 - Bitmap test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+
+bitmap2 - Bitmap test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ 1 Toggle display list mode.
+ 2 Toggle color animation mode.
+
+copy - Pixel copy test.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ -dr Direct render mode.
+ -ir Indirect render mode.
+ -f <file name> RGB image file.
+ - keys:
+ ESC Quit.
+ Z Increase zoom factor.
+ z Decrease zoom factor.
+ - mouse input:
+ Left Copy location.
+
+cursor - Cursor test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ SPACE switch cursor color.
+
+depth - Z buffer test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ 1 Toggle anti-aliased mode.
+ 2 Toggle stipple mode.
+
+eval - Evaluator test.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate.
+ UP Rotate.
+ DOWN Rotate.
+ 1 Toggle dimensions.
+ 2 Toggle dimensions.
+ e Use eval mode.
+ m Use mesh mode.
+ f Toggle polygon mode.
+ p Toggle point mode.
+ c Toggle color mode.
+ t Toggle texture mode.
+ l Toggle lighting mode.
+
+fog - Fog test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate.
+ UP Rotate.
+ DOWN Rotate.
+ D Increase fog density.
+ d Decrease fog density.
+
+font - font test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ Left Shift left.
+ Right Shift right.
+ Up Shift up.
+ Down Shift down.
+ n Shift in.
+ m Shift out.
+ q Scale up x.
+ w Scale down x.
+ a Scale up y.
+ s Scale down y.
+ z Scale up z.
+ x Scale down z.
+ e Rotate clockwise x.
+ r Rotate counter-clockwise x.
+ d Rotate clockwise y.
+ f Rotate counter-clockwise y.
+ c Rotate clockwise z.
+ v Rotate counter-clockwise z.
+
+line - Line test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ W Increase line width.
+ w Decrease line width.
+ 1 Toggle stipple mode.
+ 2 Toggle anti-aliased mode.
+
+logo - Demo.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate
+ UP Move clipping plane.
+ DOWN Move clipping plane.
+ Z Translate.
+ z Translate.
+ 1 Use GL_POINT polygon mode.
+ 2 Use GL_LINE polygon mode.
+ 3 Use GL_FILL polygon mode.
+ p Toggle polygon fill modes.
+ 4 Use GL_NICEST for GL_POLYGON_SMOOTH_HINT.
+ 5 Use anti-aliased polygon mode.
+ 6 Use aliased polygon mode.
+ 8 Toggle dither mode.
+ 9 Toggle stipple polygon mode.
+ 0 Toggle flat/smooth shading mode.
+ q Disable cull mode.
+ w Use front face cull mode.
+ e Use back face cull mode.
+ r Use clockwise front face mode.
+ t Use counter-clockwise front face mode.
+ y Use MSB first stipple pattern.
+ u Use LSB first stipple pattern.
+ a Use brick texture map.
+ s Use checker texture map.
+ d Disable texture map.
+ f Use decal texture environment mode.
+ g Use modulate texture environment mode.
+
+nurb - Nurb test.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate.
+ UP Rotate.
+ DOWN Rotate.
+
+olympic - Olymipic rings demo.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ SPACE Restart demo.
+
+overlay - Overlay plane demo.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ SPACE Toggle star weird movement mode.
+ t Toggle star turbo mode.
+
+point - Point test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ LEFT Translate.
+ RIGHT Translate.
+ UP Translate.
+ DOWN Translate.
+ W Increase point width.
+ w Decrease point width.
+ 1 Toggle anti-aliased mode.
+
+prim - Primitive test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ 1 Toggle flat/smooth shade mode.
+ 2 Toggle outlined/filled polygon mode.
+ 3 Toggle color mask mode.
+
+quad - Quadric test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ -dr Direct render mode.
+ -ir Indirect render mode.
+ -f <file name> texture file.
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate.
+ UP Rotate.
+ DOWN Rotate.
+ X Rotate.
+ x Rotate.
+ 1 Use GLU_FILL draw style.
+ 2 Use GLU_POINT draw style.
+ 3 Use GLU_LINE draw style.
+ 4 Use GLU_SILHOUETTE draw style.
+ 0 Toggle flat/smooth shade mode.
+ f Cylce through quadrics.
+ d Toggle orientation.
+ A Increase number of stacks.
+ a Decrease number of stacks.
+ S Increase number of slices.
+ s Decrease number of slices.
+ G Increase radius1.
+ g Decrease radius1.
+ J Increase radius2.
+ j Decrease radius2.
+ H Increase height.
+ h Decrease height.
+ K Increase angle1.
+ k Decrease angle1.
+ L Increase angle2.
+ l Decrease angle2.
+ z Toggle texture mode.
+ q Disable cull mode.
+ w Use front face cull mode.
+ e Use back face cull mode.
+ r Use clockwise front face mode.
+ t Use counter-clockwise front face mode.
+ y Toggle dither mode.
+
+select - Selection test.
+ - RGBA, SB.
+ - cmd line options:
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate.
+ Z Increase zoom factor.
+ z Decrease zoom factor.
+ d Zoom at current mouse location.
+ f Print feedback information.
+ l Toggle outlined/filled polygon mode.
+ - mouse:
+ Left Recolor selected triangle.
+ Center Enlarge selected triangle.
+ Right Delete selected triangle.
+
+shape - shape test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ Left Shift left.
+ Right Shift right.
+ Up Shift up.
+ Down Shift down.
+ n Shift in.
+ m Shift out.
+ q Scale up x.
+ w Scale down x.
+ a Scale up y.
+ s Scale down y.
+ z Scale up z.
+ x Scale down z.
+ e Rotate clockwise x.
+ r Rotate counter-clockwise x.
+ d Rotate clockwise y.
+ f Rotate counter-clockwise y.
+ c Rotate clockwise z.
+ v Rotate counter-clockwise z.
+ SPACE switch shapes.
+
+speed - Speed test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ a Toggle anti-aliased mode.
+ d Toggle z buffering mode.
+ f Toggle fog mode.
+ F Toggle fog hint mode.
+ s Toggle flat/smooth shading mode.
+ t Toggle texturing mode.
+
+sphere - Spheremap test.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ -dr Direct render mode.
+ -ir Indirect render mode.
+ -f <file name> texture file.
+ -3 Use RGB components.
+ -4 Use RGBA components.
+ - keys:
+ ESC Quit.
+ LEFT Rotate about the y axis.
+ RIGHT Rotate about the y axis.
+ UP Rotate about the x axis.
+ DOWN Rotate about the x axis.
+ a Toggle auto rotate mode.
+ c toggle between cylinder or cube object.
+ t Use torus object.
+ d Use decal texture mode.
+ m Use modulate texture mode.
+ l Toggle lighted mode.
+ f Toggle fog mode.
+ 0 Use nearest magification filter.
+ 1 Use linear magification.
+ 2 Use nearest minification filter.
+ 3 Use linear minification filter.
+ 4 Use nearest-mipmap-nearest minification filter.
+ 5 Use nearest-mipmap-linear minification filter.
+ 6 Use linear-mipmap-nearest minification filter.
+ 7 Use linear-mipmap-linear minification filter.
+
+star - Demo.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ SPACE Toggle weird movement mode.
+ t Toggle turbo mode.
+
+stencil - Stencil test.
+ - RGBA, SB.
+ - cmd line options:
+
+stretch - Texture test.
+ - RGBA, SB.
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ -dr Direct render mode.
+ -ir Indirect render mode.
+ -f <file name> texture file.
+ - keys:
+ ESC Quit.
+ SPACE Start animation.
+ - mouse:
+ Left Added stretch point.
+
+texture - Texture test.
+ - RGBA, SB/DB (SB default).
+ - cmd line options:
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ -dr Direct render mode.
+ -ir Indirect render mode.
+ -f <file name> texture file.
+ - keys:
+ ESC Quit.
+ LEFT Rotate.
+ RIGHT Rotate.
+ UP Rotate.
+ DOWN Rotate.
+ T Translate.
+ t Translate.
+ s Toggle sphere map mode.
+ 0 Use nearest magification filter.
+ 1 Use linear magification filter.
+ 2 Use nearest minification filter.
+ 3 Use linear minification filter.
+ 4 Use nearest-mipmap-nearest minification filter.
+ 5 Use nearest-mipmap-linear minification filter.
+ 6 Use linear-mipmap-nearest minification filter.
+ 7 Use linear-mipmap-linear minification filter.
+
+tri - Triangle test.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ - keys:
+ ESC Quit.
+ LEFT Translate.
+ RIGHT Translate.
+ Z Increase zoom factor.
+ z Decrease zoom factor.
+ 1 Use point polygon mode.
+ 2 Use line polygon mode.
+ 3 Use filled polygon mode.
+ 4 Use point primitive.
+ 5 Use line-loop primitive.
+ 6 Use polygon primitive.
+ 7 Toggle cull mode.
+ 8 Use clockwise/counter-clockwise front face mode.
+ 9 Toggle front/back face cull mode.
+ v Toggle show verticies mode.
+ s Toggle flat/smooth shade mode.
+ h Toggle hide bottom triangle mode.
+ o Toggle outline mode.
+ m Toggle dither mode.
+ 0 Toggle anti-aliased mode.
+
+wave - Demo.
+ - RGBA/CI (RGBA default), SB/DB (SB default).
+ - cmd line options:
+ -rgb RGBA mode.
+ -ci Color index mode.
+ -sb Single buffer mode.
+ -db Double buffer mode.
+ -dr Direct render mode.
+ -ir Indirect render mode.
+ -grid <x> <y> Number of grids.
+ -size <number> Size of grid.
+ -wave <number> Height of wave (floating point number).
+ -frames <count> Number of frames.
+ - keys:
+ ESC Quit.
+ c Toggle contouring mode.
+ s Toggle flat/smooth shade mode.
+ l Toggle lighting mode.
+ d Toggle depth checking mode.
+ SPACE Toggle step/animation mode.
+ n Single step in step mode.
+ a Toggle spin mode.
diff --git a/progs/samples/accum.c b/progs/samples/accum.c
new file mode 100644
index 0000000000..24dfc07d2a
--- /dev/null
+++ b/progs/samples/accum.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum doubleBuffer;
+GLint thing1, thing2;
+
+
+static void Init(void)
+{
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearAccum(0.0, 0.0, 0.0, 0.0);
+
+ thing1 = glGenLists(1);
+ glNewList(thing1, GL_COMPILE);
+ glColor3f(1.0, 0.0, 0.0);
+ glRectf(-1.0, -1.0, 1.0, 0.0);
+ glEndList();
+
+ thing2 = glGenLists(1);
+ glNewList(thing2, GL_COMPILE);
+ glColor3f(0.0, 1.0, 0.0);
+ glRectf(0.0, -1.0, 1.0, 1.0);
+ glEndList();
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+ break;
+ case '2':
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glPushMatrix();
+
+ glScalef(0.8, 0.8, 1.0);
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glCallList(thing1);
+ glAccum(GL_LOAD, 0.5);
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glCallList(thing2);
+ glAccum(GL_ACCUM, 0.5);
+
+ glAccum(GL_RETURN, 1.0);
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB | GLUT_ACCUM;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Accum Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/bitmap1.c b/progs/samples/bitmap1.c
new file mode 100644
index 0000000000..517d584e21
--- /dev/null
+++ b/progs/samples/bitmap1.c
@@ -0,0 +1,250 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define OPENGL_WIDTH 24
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+
+float boxA[3] = {
+ 0, 0, 0
+};
+float boxB[3] = {
+ -100, 0, 0
+};
+float boxC[3] = {
+ 100, 0, 0
+};
+float boxD[3] = {
+ 0, 95, 0
+};
+float boxE[3] = {
+ 0, -105, 0
+};
+GLubyte OpenGL_bits1[] = {
+ 0x00, 0x03, 0x00,
+ 0x7f, 0xfb, 0xff,
+ 0x7f, 0xfb, 0xff,
+ 0x00, 0x03, 0x00,
+ 0x3e, 0x8f, 0xb7,
+ 0x63, 0xdb, 0xb0,
+ 0x63, 0xdb, 0xb7,
+ 0x63, 0xdb, 0xb6,
+ 0x63, 0x8f, 0xf3,
+ 0x63, 0x00, 0x00,
+ 0x63, 0x00, 0x00,
+ 0x63, 0x00, 0x00,
+ 0x3e, 0x00, 0x00,
+};
+GLubyte OpenGL_bits2[] = {
+ 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0x01,
+ 0xff, 0xff, 0x01,
+ 0x00, 0x00, 0x00,
+ 0xf9, 0xfc, 0x01,
+ 0x8d, 0x0d, 0x00,
+ 0x8d, 0x0d, 0x00,
+ 0x8d, 0x0d, 0x00,
+ 0xcc, 0x0d, 0x00,
+ 0x0c, 0x4c, 0x0a,
+ 0x0c, 0x4c, 0x0e,
+ 0x8c, 0xed, 0x0e,
+ 0xf8, 0x0c, 0x00,
+};
+GLubyte logo_bits[] = {
+ 0x00, 0x66, 0x66,
+ 0xff, 0x66, 0x66,
+ 0x00, 0x00, 0x00,
+ 0xff, 0x3c, 0x3c,
+ 0x00, 0x42, 0x40,
+ 0xff, 0x42, 0x40,
+ 0x00, 0x41, 0x40,
+ 0xff, 0x21, 0x20,
+ 0x00, 0x2f, 0x20,
+ 0xff, 0x20, 0x20,
+ 0x00, 0x10, 0x90,
+ 0xff, 0x10, 0x90,
+ 0x00, 0x0f, 0x10,
+ 0xff, 0x00, 0x00,
+ 0x00, 0x66, 0x66,
+ 0xff, 0x66, 0x66,
+};
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ }
+}
+
+static void Draw(void)
+{
+ float mapI[2], mapIA[2], mapIR[2];
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ mapI[0] = 0.0;
+ mapI[1] = 1.0;
+ mapIR[0] = 0.0;
+ mapIR[1] = 0.0;
+ mapIA[0] = 1.0;
+ mapIA[1] = 1.0;
+
+ glPixelMapfv(GL_PIXEL_MAP_I_TO_R, 2, mapIR);
+ glPixelMapfv(GL_PIXEL_MAP_I_TO_G, 2, mapI);
+ glPixelMapfv(GL_PIXEL_MAP_I_TO_B, 2, mapI);
+ glPixelMapfv(GL_PIXEL_MAP_I_TO_A, 2, mapIA);
+ glPixelTransferi(GL_MAP_COLOR, GL_TRUE);
+
+ SetColor(COLOR_WHITE);
+ glRasterPos3fv(boxA);
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 24);
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, 8);
+ glPixelStorei(GL_UNPACK_SKIP_ROWS, 2);
+ glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glBitmap(16, 12, 8.0, 0.0, 0.0, 0.0, logo_bits);
+
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+ glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+ glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ SetColor(COLOR_WHITE);
+ glRasterPos3fv(boxB);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits1);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits2);
+
+ SetColor(COLOR_YELLOW);
+ glRasterPos3fv(boxC);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits1);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits2);
+
+ SetColor(COLOR_CYAN);
+ glRasterPos3fv(boxD);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits1);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits2);
+
+ SetColor(COLOR_RED);
+ glRasterPos3fv(boxE);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits1);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+ OpenGL_bits2);
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Bitmap Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/bitmap2.c b/progs/samples/bitmap2.c
new file mode 100644
index 0000000000..5faac84162
--- /dev/null
+++ b/progs/samples/bitmap2.c
@@ -0,0 +1,787 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define EXP_WIDTH 80
+#define EXP_HEIGHT 80
+
+
+GLenum rgb, doubleBuffer, windType;
+
+#include "tkmap.c"
+
+GLenum useLists, abuse;
+GLubyte exp_bits[7][800] = {
+ {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x40, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x80, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x81, 0x04, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf2, 0x1f, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xbe, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf6, 0x4f, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xde, 0x7d, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xea, 0xef, 0x01, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0x55, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xdd, 0xfd, 0x03, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xbf, 0xae, 0x22, 0x36, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xdb, 0xf7, 0x3f, 0x1e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x80, 0x50, 0xbf, 0xbf, 0x85, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0xe5, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xee, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x74, 0x4b, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xe8, 0x3e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf8, 0x49, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x54, 0x07, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ },
+ {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xc0, 0x70, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x78, 0x91, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x60, 0xf1, 0x53, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x40, 0x97, 0x5c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xa0, 0x0c, 0x8c, 0x1b, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xc4, 0x01, 0x00, 0xc8, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x08, 0x02, 0x00, 0x88, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x60, 0x00, 0x02, 0x40, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x70, 0x00, 0x0c, 0x40, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x70, 0xe0, 0x0d, 0x00, 0x04, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x72, 0xc8, 0x07, 0x40, 0x08, 0x00, 0x00,
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+ 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
+ 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ }
+};
+GLint exp_lists[7];
+
+
+static void Init(void)
+{
+ GLint i;
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(0.0);
+
+ glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ for (i = 0; i < 7; i++) {
+ exp_lists[i] = glGenLists(1);
+ glNewList(exp_lists[i], GL_COMPILE);
+ glBitmap(80, 80, 40.0, 40.0, 0.0, 0.0, exp_bits[i]);
+ glEndList();
+ }
+
+ abuse = GL_FALSE;
+ useLists = GL_TRUE;
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ useLists = !useLists;
+ break;
+ case '2':
+ abuse = !abuse;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ GLint i, j;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ for (i = 0; i < 7; i++) {
+ for (j = 0; j < 40; j++) {
+ switch (j % 7) {
+ case 0:
+ SetColor(COLOR_YELLOW);
+ break;
+ case 1:
+ SetColor(COLOR_GREEN);
+ break;
+ case 2:
+ SetColor(COLOR_BLUE);
+ break;
+ case 3:
+ SetColor(COLOR_MAGENTA);
+ break;
+ case 4:
+ SetColor(COLOR_CYAN);
+ break;
+ case 5:
+ SetColor(COLOR_WHITE);
+ break;
+ case 6:
+ SetColor(COLOR_RED);
+ break;
+ }
+ glRasterPos3i((j*3)%5, (j*3)%8, 0);
+
+ if (useLists) {
+ glCallList(exp_lists[i]);
+ } else {
+ glBitmap(80, 80, 40.0, 40.0, 0.0, 0.0, exp_bits[i]);
+ }
+ if (!abuse) {
+ break;
+ }
+ }
+
+ if (i == 6) {
+ break;
+ }
+
+ for (j = 0; j < 40; j++) {
+ SetColor(COLOR_BLACK);
+ glRasterPos3i((j*3)%5, (j*3)%8, 0);
+ if (useLists) {
+ glCallList(exp_lists[i]);
+ } else {
+ glBitmap(80, 80, 40.0, 40.0, 0.0, 0.0, exp_bits[i]);
+ }
+ if (!abuse) {
+ break;
+ }
+ }
+ }
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Bitmap Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/blendeq.c b/progs/samples/blendeq.c
new file mode 100644
index 0000000000..7be52073ab
--- /dev/null
+++ b/progs/samples/blendeq.c
@@ -0,0 +1,295 @@
+/*
+** blendeq.c - Demonstrates the use of the blend_minmax, blend_subtract,
+** and blend_logic_op extensions using glBlendEquationEXT.
+**
+** Over a two-color backround, draw rectangles using twelve blend
+** options. The values are read back as UNSIGNED_BYTE and printed
+** in hex over each value. These values are useful for logic
+** op comparisons when channels are 8 bits deep.
+*/
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+
+GLenum doubleBuffer;
+static int dithering = 0;
+static int doPrint = 1;
+static int deltaY;
+GLint windW, windH;
+
+static void DrawString(const char *string)
+{
+ int i;
+
+ for (i = 0; string[i]; i++)
+ glutBitmapCharacter(GLUT_BITMAP_9_BY_15, string[i]);
+}
+
+static void Init(void)
+{
+
+ glDisable(GL_DITHER);
+ glShadeModel(GL_FLAT);
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+ deltaY = windH /16;
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0, windW, 0, windH);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'd':
+ dithering = !dithering;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void PrintColorStrings( void )
+{
+ GLubyte ubbuf[3];
+ int i, xleft, xright;
+ char colorString[18];
+
+ xleft = 5 + windW/4;
+ xright = 5 + windW/2;
+
+ for (i = windH - deltaY + 4; i > 0; i-=deltaY) {
+ glReadPixels(xleft, i+10, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, ubbuf);
+ sprintf(colorString, "(0x%x, 0x%x, 0x%x)",
+ ubbuf[0], ubbuf[1], ubbuf[2]);
+ glRasterPos2f(xleft, i);
+ DrawString(colorString);
+ glReadPixels(xright, i+10, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, ubbuf);
+ sprintf(colorString, "(0x%x, 0x%x, 0x%x)",
+ ubbuf[0], ubbuf[1], ubbuf[2]);
+ glRasterPos2f(xright, i);
+ DrawString(colorString);
+ }
+}
+
+static void Draw(void)
+{
+ int stringOffset = 5, stringx = 8;
+ int x1, x2, xleft, xright;
+ int i;
+
+ (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+ glDisable(GL_BLEND);
+
+ glClearColor(0.5, 0.6, 0.1, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ /* Draw background */
+ glColor3f(0.1, 0.1, 1.0);
+ glRectf(0.0, 0.0, windW/2, windH);
+
+ /* Draw labels */
+ glColor3f(0.8, 0.8, 0.0);
+ i = windH - deltaY + stringOffset;
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("SOURCE");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("DEST");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("min");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("max");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("subtract");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("reverse_subtract");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("clear");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("set");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("copy");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("noop");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("and");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("invert");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("or");
+ glRasterPos2f(stringx, i); i -= deltaY;
+ DrawString("xor");
+
+
+ i = windH - deltaY;
+ x1 = windW/4;
+ x2 = 3 * windW/4;
+ xleft = 5 + windW/4;
+ xright = 5 + windW/2;
+
+ /* Draw foreground color for comparison */
+ glColor3f(0.9, 0.2, 0.8);
+ glRectf(x1, i, x2, i+deltaY);
+
+ /* Leave one rectangle of background color */
+
+ /* Begin test cases */
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE);
+
+ i -= 2*deltaY;
+ glBlendEquationEXT(GL_MIN_EXT);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_MAX_EXT);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_FUNC_SUBTRACT_EXT);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
+ glRectf(x1, i, x2, i+deltaY);
+
+ glBlendFunc(GL_ONE, GL_ZERO);
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_CLEAR);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_SET);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_COPY);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_NOOP);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_AND);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_INVERT);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_OR);
+ glRectf(x1, i, x2, i+deltaY);
+
+ i -= deltaY;
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_XOR);
+ glRectf(x1, i, x2, i+deltaY);
+ glRectf(x1, i+10, x2, i+5);
+
+ if (doPrint) {
+ glDisable(GL_BLEND);
+ glColor3f(1.0, 1.0, 1.0);
+ PrintColorStrings();
+ }
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+ char *s;
+ char *extName1 = "GL_EXT_blend_logic_op";
+ char *extName2 = "GL_EXT_blend_minmax";
+ char *extName3 = "GL_EXT_blend_subtract";
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 800, 400);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Blend Equation") == GL_FALSE) {
+ exit(1);
+ }
+
+ /* Make sure blend_logic_op extension is there. */
+ s = (char *) glGetString(GL_EXTENSIONS);
+ if (!s)
+ exit(1);
+ if (strstr(s,extName1) == 0) {
+ printf("Blend_logic_op extension is not present.\n");
+ exit(1);
+ }
+ if (strstr(s,extName2) == 0) {
+ printf("Blend_minmax extension is not present.\n");
+ exit(1);
+ }
+ if (strstr(s,extName3) == 0) {
+ printf("Blend_subtract extension is not present.\n");
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/blendxor.c b/progs/samples/blendxor.c
new file mode 100644
index 0000000000..a46920d234
--- /dev/null
+++ b/progs/samples/blendxor.c
@@ -0,0 +1,174 @@
+/*
+** blendxor.c - Demonstrates the use of the blend_logic_op
+** extension to draw hilights. Using XOR to draw the same
+** image twice restores the background to its original value.
+*/
+
+#include <stdio.h>
+#include <string.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum doubleBuffer;
+int dithering = 0;
+GLint windW, windH;
+
+static void Init(void)
+{
+ glDisable(GL_DITHER);
+ glShadeModel(GL_FLAT);
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0, 400, 0, 400);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'd':
+ dithering = !dithering;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ int i;
+
+ glDisable(GL_BLEND);
+
+ (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+
+ glClearColor(0.5, 0.6, 0.1, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ /* Draw background prims */
+ glColor3f(0.1, 0.1, 1.0);
+ glBegin(GL_TRIANGLES);
+ glVertex2i(5, 5);
+ glVertex2i(130, 50);
+ glVertex2i(100, 300);
+ glEnd();
+ glColor3f(0.5, 0.2, 0.9);
+ glBegin(GL_TRIANGLES);
+ glVertex2i(200, 100);
+ glVertex2i(330, 50);
+ glVertex2i(340, 400);
+ glEnd();
+
+ glEnable(GL_BLEND);
+ glBlendEquationEXT(GL_LOGIC_OP);
+ glLogicOp(GL_XOR);
+
+ /* Draw a set of rectangles across the window */
+ glColor3f(0.9, 0.2, 0.8);
+ for(i = 0; i < 400; i+=60) {
+ glBegin(GL_POLYGON);
+ glVertex2i(i, 100);
+ glVertex2i(i+50, 100);
+ glVertex2i(i+50, 200);
+ glVertex2i(i, 200);
+ glEnd();
+ }
+ glFlush(); /* Added by Brian Paul */
+#ifndef _WIN32
+ sleep(2);
+#endif
+
+ /* Redraw the rectangles, which should erase them */
+ for(i = 0; i < 400; i+=60) {
+ glBegin(GL_POLYGON);
+ glVertex2i(i, 100);
+ glVertex2i(i+50, 100);
+ glVertex2i(i+50, 200);
+ glVertex2i(i, 200);
+ glEnd();
+ }
+ glFlush();
+
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+ char *s;
+ char *extName = "GL_EXT_blend_logic_op";
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 400);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Blend XOR") == GL_FALSE) {
+ exit(1);
+ }
+
+ /* Make sure blend_logic_op extension is there. */
+ s = (char *) glGetString(GL_EXTENSIONS);
+ if (!s)
+ exit(1);
+ if (strstr(s,extName) == 0) {
+ printf("Blend_logic_op extension is not present.\n");
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/copy.c b/progs/samples/copy.c
new file mode 100644
index 0000000000..391c637d6f
--- /dev/null
+++ b/progs/samples/copy.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#include "loadppm.c"
+
+GLenum doubleBuffer;
+GLint windW, windH;
+
+char *fileName = 0;
+PPMImage *image;
+float point[3];
+float zoom;
+GLint x, y;
+
+static void Init(void)
+{
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ x = 0;
+ y = windH;
+ zoom = 1.8;
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+
+ glViewport(0, 0, windW, windH);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0, windW, 0, windH);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'Z':
+ zoom += 0.2;
+ break;
+ case 'z':
+ zoom -= 0.2;
+ if (zoom < 0.2) {
+ zoom = 0.2;
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Mouse(int button, int state, int mouseX, int mouseY)
+{
+ if (state != GLUT_DOWN)
+ return;
+ x = (GLint)mouseX;
+ y = (GLint)mouseY;
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ point[0] = (windW / 2) - (image->sizeX / 2);
+ point[1] = (windH / 2) - (image->sizeY / 2);
+ point[2] = 0;
+ glRasterPos3fv(point);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelZoom(1.0, 1.0);
+ glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
+ image->data);
+
+ point[0] = (float)x;
+ point[1] = windH - (float)y;
+ point[2] = 0.0;
+ glRasterPos3fv(point);
+
+ glPixelZoom(zoom, zoom);
+ glCopyPixels((windW/2)-(image->sizeX/2),
+ (windH/2)-(image->sizeY/2),
+ image->sizeX, image->sizeY, GL_COLOR);
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-f") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-f (No file name).\n");
+ return GL_FALSE;
+ } else {
+ fileName = argv[++i];
+ }
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ if (fileName == 0) {
+ printf("No image file.\n");
+ exit(1);
+ }
+
+ image = LoadPPM(fileName);
+
+ windW = 300;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Copy Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutMouseFunc(Mouse);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/cursor.c b/progs/samples/cursor.c
new file mode 100644
index 0000000000..de8fc58556
--- /dev/null
+++ b/progs/samples/cursor.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum rgb, doubleBuffer, windType;
+int windX, windY;
+int cursor;
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+ cursor = 0;
+ glutSetCursor(cursor);
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ windX = width;
+ windY = height;
+ glViewport(0, 0, windX, windY);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0, windX, 0, windY);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 32:
+ cursor++;
+ if (cursor > 19) {
+ cursor = 0;
+ }
+ glutSetCursor(cursor);
+ }
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glBegin(GL_POLYGON);
+ SetColor(COLOR_BLACK);
+ glVertex2i(0, 0);
+ SetColor(COLOR_RED);
+ glVertex2i(windX, 0);
+ SetColor(COLOR_GREEN);
+ glVertex2i(windX, windY);
+ SetColor(COLOR_BLUE);
+ glVertex2i(0, windY);
+ glEnd();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ windX = 300;
+ windY = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( windX, windY);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Cursor Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/depth.c b/progs/samples/depth.c
new file mode 100644
index 0000000000..afe2ec17a3
--- /dev/null
+++ b/progs/samples/depth.c
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum rgb, doubleBuffer;
+
+GLenum antiAlias, stipple;
+GLubyte stippleBits[32*4] = {
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+ GLint i;
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(0.0);
+
+ if (!rgb) {
+ for (i = 0; i < 16; i++) {
+ glutSetColor(i+CI_OFFSET_1, 0.0, 0.0, i/15.0);
+ glutSetColor(i+CI_OFFSET_2, 0.0, i/15.0, 0.0);
+ }
+ }
+
+ glPolygonStipple(stippleBits);
+
+ antiAlias = GL_FALSE;
+ stipple = GL_FALSE;
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ antiAlias = !antiAlias;
+ break;
+ case '2':
+ stipple = !stipple;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ GLint ci1, ci2;
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+ if (antiAlias) {
+ ci1 = CI_OFFSET_1;
+ ci2 = CI_OFFSET_2;
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ glEnable(GL_BLEND);
+ glEnable(GL_POLYGON_SMOOTH);
+ glDisable(GL_DEPTH_TEST);
+ } else {
+ ci1 = COLOR_BLUE;
+ ci2 = COLOR_GREEN;
+ glDisable(GL_BLEND);
+ glDisable(GL_POLYGON_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+ }
+
+ if (stipple) {
+ glEnable(GL_POLYGON_STIPPLE);
+ } else {
+ glDisable(GL_POLYGON_STIPPLE);
+ }
+
+ glBegin(GL_TRIANGLES);
+ (rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexi(ci1);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glVertex3f( 0.9, 0.9, -30.0);
+ glVertex3f(-0.9, 0.0, -30.0);
+ (rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexi(ci2);
+ glVertex3f(-0.9, -0.9, -40.0);
+ glVertex3f(-0.9, 0.9, -40.0);
+ glVertex3f( 0.9, 0.0, -25.0);
+ glEnd();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_DEPTH;
+ type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Depth Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/eval.c b/progs/samples/eval.c
new file mode 100644
index 0000000000..3ad9c5468f
--- /dev/null
+++ b/progs/samples/eval.c
@@ -0,0 +1,472 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#define VORDER 10
+#define CORDER 10
+#define TORDER 3
+
+#define VMAJOR_ORDER 2
+#define VMINOR_ORDER 3
+
+#define CMAJOR_ORDER 2
+#define CMINOR_ORDER 2
+
+#define TMAJOR_ORDER 2
+#define TMINOR_ORDER 2
+
+#define VDIM 4
+#define CDIM 4
+#define TDIM 2
+
+#define ONE_D 1
+#define TWO_D 2
+
+#define EVAL 3
+#define MESH 4
+
+
+GLenum doubleBuffer;
+
+float rotX = 0.0, rotY = 0.0, translateZ = -1.0;
+
+GLenum arrayType = ONE_D;
+GLenum colorType = GL_FALSE;
+GLenum textureType = GL_FALSE;
+GLenum polygonFilled = GL_FALSE;
+GLenum lighting = GL_FALSE;
+GLenum mapPoint = GL_FALSE;
+GLenum mapType = EVAL;
+
+double point1[10*4] = {
+ -0.5, 0.0, 0.0, 1.0,
+ -0.4, 0.5, 0.0, 1.0,
+ -0.3,-0.5, 0.0, 1.0,
+ -0.2, 0.5, 0.0, 1.0,
+ -0.1,-0.5, 0.0, 1.0,
+ 0.0, 0.5, 0.0, 1.0,
+ 0.1,-0.5, 0.0, 1.0,
+ 0.2, 0.5, 0.0, 1.0,
+ 0.3,-0.5, 0.0, 1.0,
+ 0.4, 0.0, 0.0, 1.0,
+};
+double cpoint1[10*4] = {
+ 0.0, 0.0, 1.0, 1.0,
+ 0.3, 0.0, 0.7, 1.0,
+ 0.6, 0.0, 0.3, 1.0,
+ 1.0, 0.0, 0.0, 1.0,
+ 1.0, 0.3, 0.0, 1.0,
+ 1.0, 0.6, 0.0, 1.0,
+ 1.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, 0.5, 1.0,
+ 1.0, 1.0, 1.0, 1.0,
+};
+double tpoint1[11*4] = {
+ 0.0, 0.0, 0.0, 1.0,
+ 0.0, 0.1, 0.0, 1.0,
+ 0.0, 0.2, 0.0, 1.0,
+ 0.0, 0.3, 0.0, 1.0,
+ 0.0, 0.4, 0.0, 1.0,
+ 0.0, 0.5, 0.0, 1.0,
+ 0.0, 0.6, 0.0, 1.0,
+ 0.0, 0.7, 0.0, 1.0,
+ 0.0, 0.8, 0.0, 1.0,
+ 0.0, 0.9, 0.0, 1.0,
+};
+double point2[2*3*4] = {
+ -0.5, -0.5, 0.5, 1.0,
+ 0.0, 1.0, 0.5, 1.0,
+ 0.5, -0.5, 0.5, 1.0,
+ -0.5, 0.5, -0.5, 1.0,
+ 0.0, -1.0, -0.5, 1.0,
+ 0.5, 0.5, -0.5, 1.0,
+};
+double cpoint2[2*2*4] = {
+ 0.0, 0.0, 0.0, 1.0,
+ 0.0, 0.0, 1.0, 1.0,
+ 0.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, 1.0, 1.0,
+};
+double tpoint2[2*2*2] = {
+ 0.0, 0.0, 0.0, 1.0,
+ 1.0, 0.0, 1.0, 1.0,
+};
+float textureImage[4*2*4] = {
+ 1.0, 1.0, 1.0, 1.0,
+ 1.0, 0.0, 0.0, 1.0,
+ 1.0, 0.0, 0.0, 1.0,
+ 1.0, 1.0, 1.0, 1.0,
+ 1.0, 1.0, 1.0, 1.0,
+ 1.0, 0.0, 0.0, 1.0,
+ 1.0, 0.0, 0.0, 1.0,
+ 1.0, 1.0, 1.0, 1.0,
+};
+
+
+static void Init(void)
+{
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+ static float position[] = {0.0, 0.0, -150.0, 0.0};
+ static float front_mat_diffuse[] = {1.0, 0.2, 1.0, 1.0};
+ static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+ static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+ static float lmodel_twoside[] = {GL_TRUE};
+ static float decal[] = {GL_DECAL};
+ static float repeat[] = {GL_REPEAT};
+ static float nr[] = {GL_NEAREST};
+
+ glFrontFace(GL_CCW);
+
+ glEnable(GL_DEPTH_TEST);
+
+ glMap1d(GL_MAP1_VERTEX_4, 0.0, 1.0, VDIM, VORDER, point1);
+ glMap1d(GL_MAP1_COLOR_4, 0.0, 1.0, CDIM, CORDER, cpoint1);
+
+ glMap2d(GL_MAP2_VERTEX_4, 0.0, 1.0, VMINOR_ORDER*VDIM, VMAJOR_ORDER, 0.0,
+ 1.0, VDIM, VMINOR_ORDER, point2);
+ glMap2d(GL_MAP2_COLOR_4, 0.0, 1.0, CMINOR_ORDER*CDIM, CMAJOR_ORDER, 0.0,
+ 1.0, CDIM, CMINOR_ORDER, cpoint2);
+ glMap2d(GL_MAP2_TEXTURE_COORD_2, 0.0, 1.0, TMINOR_ORDER*TDIM,
+ TMAJOR_ORDER, 0.0, 1.0, TDIM, TMINOR_ORDER, tpoint2);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+ glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nr);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nr);
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, 2, 4, 0, GL_RGBA, GL_FLOAT,
+ (GLvoid *)textureImage);
+}
+
+static void DrawPoints1(void)
+{
+ GLint i;
+
+ glColor3f(0.0, 1.0, 0.0);
+ glPointSize(2);
+ glBegin(GL_POINTS);
+ for (i = 0; i < VORDER; i++) {
+ glVertex4dv(&point1[i*4]);
+ }
+ glEnd();
+}
+
+static void DrawPoints2(void)
+{
+ GLint i, j;
+
+ glColor3f(1.0, 0.0, 1.0);
+ glPointSize(2);
+ glBegin(GL_POINTS);
+ for (i = 0; i < VMAJOR_ORDER; i++) {
+ for (j = 0; j < VMINOR_ORDER; j++) {
+ glVertex4dv(&point2[i*4*VMINOR_ORDER+j*4]);
+ }
+ }
+ glEnd();
+}
+
+static void DrawMapEval1(float du)
+{
+ float u;
+
+ glColor3f(1.0, 0.0, 0.0);
+ glBegin(GL_LINE_STRIP);
+ for (u = 0.0; u < 1.0; u += du) {
+ glEvalCoord1d(u);
+ }
+ glEvalCoord1d(1.0);
+ glEnd();
+}
+
+static void DrawMapEval2(float du, float dv)
+{
+ float u, v, tmp;
+
+ glColor3f(1.0, 0.0, 0.0);
+ for (v = 0.0; v < 1.0; v += dv) {
+ glBegin(GL_QUAD_STRIP);
+ for (u = 0.0; u <= 1.0; u += du) {
+ glEvalCoord2d(u,v);
+ tmp = (v + dv < 1.0) ? (v + dv) : 1.0;
+ glEvalCoord2d(u, tmp);
+ }
+ glEvalCoord2d(1.0, v);
+ glEvalCoord2d(1.0, v+dv);
+ glEnd();
+ }
+}
+
+static void RenderEval(void)
+{
+
+ if (colorType) {
+ glEnable(GL_MAP1_COLOR_4);
+ glEnable(GL_MAP2_COLOR_4);
+ } else {
+ glDisable(GL_MAP1_COLOR_4);
+ glDisable(GL_MAP2_COLOR_4);
+ }
+
+ if (textureType) {
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_MAP2_TEXTURE_COORD_2);
+ } else {
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_MAP2_TEXTURE_COORD_2);
+ }
+
+ if (polygonFilled) {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+ } else {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ }
+
+ glShadeModel(GL_SMOOTH);
+
+ switch (mapType) {
+ case EVAL:
+ switch (arrayType) {
+ case ONE_D:
+ glDisable(GL_MAP2_VERTEX_4);
+ glEnable(GL_MAP1_VERTEX_4);
+ DrawPoints1();
+ DrawMapEval1(0.1/VORDER);
+ break;
+ case TWO_D:
+ glDisable(GL_MAP1_VERTEX_4);
+ glEnable(GL_MAP2_VERTEX_4);
+ DrawPoints2();
+ DrawMapEval2(0.1/VMAJOR_ORDER,0.1/VMINOR_ORDER);
+ break;
+ default:
+ break;
+ }
+ break;
+ case MESH:
+ switch (arrayType) {
+ case ONE_D:
+ DrawPoints1();
+ glDisable(GL_MAP2_VERTEX_4);
+ glEnable (GL_MAP1_VERTEX_4);
+ glColor3f(0.0, 0.0, 1.0);
+ glMapGrid1d(40, 0.0, 1.0);
+ if (mapPoint) {
+ glPointSize(2);
+ glEvalMesh1(GL_POINT, 0, 40);
+ } else {
+ glEvalMesh1(GL_LINE, 0, 40);
+ }
+ break;
+ case TWO_D:
+ DrawPoints2();
+ glDisable(GL_MAP1_VERTEX_4);
+ glEnable(GL_MAP2_VERTEX_4);
+ glColor3f(0.0, 0.0, 1.0);
+ glMapGrid2d(20, 0.0, 1.0, 20, 0.0, 1.0);
+ if (mapPoint) {
+ glPointSize(2);
+ glEvalMesh2(GL_POINT, 0, 20, 0, 20);
+ } else if (polygonFilled) {
+ glEvalMesh2(GL_FILL, 0, 20, 0, 20);
+ } else {
+ glEvalMesh2(GL_LINE, 0, 20, 0, 20);
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 10.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ rotY -= 30;
+ break;
+ case GLUT_KEY_RIGHT:
+ rotY += 30;
+ break;
+ case GLUT_KEY_UP:
+ rotX -= 30;
+ break;
+ case GLUT_KEY_DOWN:
+ rotX += 30;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ arrayType = ONE_D;
+ break;
+ case '2':
+ arrayType = TWO_D;
+ break;
+ case 'e':
+ mapType = EVAL;
+ break;
+ case 'm':
+ mapType = MESH;
+ break;
+ case 'f':
+ polygonFilled = !polygonFilled;
+ break;
+ case 'p':
+ mapPoint = !mapPoint;
+ break;
+ case 'c':
+ colorType = !colorType;
+ break;
+ case 't':
+ textureType = !textureType;
+ break;
+ case 'l':
+ lighting =! lighting;
+ if (lighting) {
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_AUTO_NORMAL);
+ } else {
+ glDisable(GL_LIGHTING);
+ glDisable(GL_LIGHT0);
+ glDisable(GL_AUTO_NORMAL);
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+
+ glTranslatef(0.0, 0.0 , translateZ);
+ glRotatef(rotX, 1, 0, 0);
+ glRotatef(rotY, 0, 1, 0);
+ RenderEval();
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB | GLUT_DEPTH;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Evaluator Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/fog.c b/progs/samples/fog.c
new file mode 100644
index 0000000000..96534dddcb
--- /dev/null
+++ b/progs/samples/fog.c
@@ -0,0 +1,311 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+double plane[4] = {
+ 1.0, 0.0, -1.0, 0.0
+};
+float rotX = 5.0, rotY = -5.0, zTranslate = -65.0;
+float fogDensity = 0.02;
+GLint cubeList = 1;
+
+float scp[18][3] = {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 5.000000
+ },
+ {
+ 0.707107, 0.707107, 0.000000
+ },
+ {
+ 0.707107, 0.707107, 5.000000
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ 0.000000, 1.000000, 5.000000
+ },
+ {
+ -0.707107, 0.707107, 0.000000
+ },
+ {
+ -0.707107, 0.707107, 5.000000
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -1.000000, 0.000000, 5.000000
+ },
+ {
+ -0.707107, -0.707107, 0.000000
+ },
+ {
+ -0.707107, -0.707107, 5.000000
+ },
+ {
+ 0.000000, -1.000000, 0.000000
+ },
+ {
+ 0.000000, -1.000000, 5.000000
+ },
+ {
+ 0.707107, -0.707107, 0.000000
+ },
+ {
+ 0.707107, -0.707107, 5.000000
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 5.000000
+ },
+};
+
+
+static void Build_lists(void)
+{
+
+ glNewList(cubeList, GL_COMPILE);
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(scp[0]); glVertex3fv(scp[0]);
+ glNormal3fv(scp[0]); glVertex3fv(scp[1]);
+ glNormal3fv(scp[2]); glVertex3fv(scp[2]);
+ glNormal3fv(scp[2]); glVertex3fv(scp[3]);
+ glNormal3fv(scp[4]); glVertex3fv(scp[4]);
+ glNormal3fv(scp[4]); glVertex3fv(scp[5]);
+ glNormal3fv(scp[6]); glVertex3fv(scp[6]);
+ glNormal3fv(scp[6]); glVertex3fv(scp[7]);
+ glNormal3fv(scp[8]); glVertex3fv(scp[8]);
+ glNormal3fv(scp[8]); glVertex3fv(scp[9]);
+ glNormal3fv(scp[10]); glVertex3fv(scp[10]);
+ glNormal3fv(scp[10]); glVertex3fv(scp[11]);
+ glNormal3fv(scp[12]); glVertex3fv(scp[12]);
+ glNormal3fv(scp[12]); glVertex3fv(scp[13]);
+ glNormal3fv(scp[14]); glVertex3fv(scp[14]);
+ glNormal3fv(scp[14]); glVertex3fv(scp[15]);
+ glNormal3fv(scp[16]); glVertex3fv(scp[16]);
+ glNormal3fv(scp[16]); glVertex3fv(scp[17]);
+ glEnd();
+ glEndList();
+}
+
+static void Init(void)
+{
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+ static float position[] = {90.0, 90.0, 0.0, 0.0};
+ static float front_mat_shininess[] = {30.0};
+ static float front_mat_specular[] = {0.0, 0.0, 0.0, 1.0};
+ static float front_mat_diffuse[] = {0.0, 1.0, 0.0, 1.0};
+ static float back_mat_shininess[] = {50.0};
+ static float back_mat_specular[] = {0.0, 0.0, 1.0, 1.0};
+ static float back_mat_diffuse[] = {1.0, 0.0, 0.0, 1.0};
+ static float lmodel_ambient[] = {0.0, 0.0, 0.0, 1.0};
+ static float fog_color[] = {0.8, 0.8, 0.8, 1.0};
+
+ glFrontFace(GL_CW);
+
+ glEnable(GL_DEPTH_TEST);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+ glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+ glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+ glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+
+ glEnable(GL_FOG);
+ glFogi(GL_FOG_MODE, GL_EXP);
+ glFogf(GL_FOG_DENSITY, fogDensity);
+ if (rgb) {
+ glFogfv(GL_FOG_COLOR, fog_color);
+ glClearColor(0.8, 0.8, 0.8, 1.0);
+ } else {
+ glFogi(GL_FOG_INDEX, 1<<5);
+ SetFogRamp(5, 3);
+ glClearIndex(128);
+ }
+
+ Build_lists();
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(45.0, 1.0, 1.0, 200.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_UP:
+ rotX -= 5;
+ break;
+ case GLUT_KEY_DOWN:
+ rotX += 5;
+ break;
+ case GLUT_KEY_LEFT:
+ rotY -= 5;
+ break;
+ case GLUT_KEY_RIGHT:
+ rotY += 5;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'D':
+ if (rgb) {
+ fogDensity *= 1.10;
+ glFogf(GL_FOG_DENSITY, fogDensity);
+ }
+ break;
+ case 'd':
+ if (rgb) {
+ fogDensity /= 1.10;
+ glFogf(GL_FOG_DENSITY, fogDensity);
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+
+ glTranslatef(0, 0, zTranslate);
+ glRotatef(rotY, 0,1,0);
+ glRotatef(rotX, 1,0,0);
+ glScalef(1.0, 1.0, 10.0);
+
+ glCallList(cubeList);
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_DEPTH;
+ type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Fog Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/font.c b/progs/samples/font.c
new file mode 100644
index 0000000000..a0091a65d7
--- /dev/null
+++ b/progs/samples/font.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define OPENGL_WIDTH 24
+#define OPENGL_HEIGHT 13
+
+
+char string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz";
+GLenum rgb, doubleBuffer, windType;
+float angleX = 0.0, angleY = 0.0, angleZ = 0.0;
+float scaleX = 1.0, scaleY = 1.0, scaleZ = 1.0;
+float shiftX = 0.0, shiftY = 0.0, shiftZ = 0.0;
+
+
+#include "tkmap.c"
+
+
+static void DrawBitmapString(void *font, const char *string)
+{
+ int i;
+
+ for (i = 0; string[i]; i++)
+ glutBitmapCharacter(font, string[i]);
+}
+
+static void DrawStrokeString(void *font, const char *string)
+{
+ int i;
+
+ for (i = 0; string[i]; i++)
+ glutStrokeCharacter(font, string[i]);
+}
+
+static void Init(void)
+{
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-400.0, 400.0, -200.0, 200.0, -400.0, 400.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ shiftX -= 20.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ shiftX += 20.0;
+ break;
+ case GLUT_KEY_UP:
+ shiftY += 20.0;
+ break;
+ case GLUT_KEY_DOWN:
+ shiftY -= 20.0;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+
+ case 'n':
+ shiftZ += 20.0;
+ break;
+ case 'm':
+ shiftZ -= 20.0;
+ break;
+
+ case 'q':
+ scaleX -= 0.1;
+ if (scaleX < 0.1) {
+ scaleX = 0.1;
+ }
+ break;
+ case 'w':
+ scaleX += 0.1;
+ break;
+ case 'a':
+ scaleY -= 0.1;
+ if (scaleY < 0.1) {
+ scaleY = 0.1;
+ }
+ break;
+ case 's':
+ scaleY += 0.1;
+ break;
+ case 'z':
+ scaleZ -= 0.1;
+ if (scaleZ < 0.1) {
+ scaleZ = 0.1;
+ }
+ break;
+ case 'x':
+ scaleZ += 0.1;
+ break;
+
+ case 'e':
+ angleX -= 5.0;
+ if (angleX < 0.0) {
+ angleX = 360.0 + angleX;
+ }
+ break;
+ case 'r':
+ angleX += 5.0;
+ if (angleX > 360.0) {
+ angleX = angleX - 360.0;
+ }
+ break;
+ case 'd':
+ angleY -= 5.0;
+ if (angleY < 0.0) {
+ angleY = 360.0 + angleY;
+ }
+ break;
+ case 'f':
+ angleY += 5.0;
+ if (angleY > 360.0) {
+ angleY = angleY - 360.0;
+ }
+ break;
+ case 'c':
+ angleZ -= 5.0;
+ if (angleZ < 0.0) {
+ angleZ = 360.0 + angleZ;
+ }
+ break;
+ case 'v':
+ angleZ += 5.0;
+ if (angleZ > 360.0) {
+ angleZ = angleZ - 360.0;
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ SetColor(COLOR_WHITE);
+
+ glPushMatrix();
+
+ glTranslatef(shiftX, shiftY, shiftZ);
+ glRotatef(angleX, 1.0, 0.0, 0.0);
+ glRotatef(angleY, 0.0, 1.0, 0.0);
+ glRotatef(angleZ, 0.0, 0.0, 1.0);
+ glScalef(scaleX, scaleY, scaleZ);
+
+ glPushMatrix();
+ glRasterPos2f(-390.5, 0.5);
+ DrawBitmapString(GLUT_BITMAP_9_BY_15, string);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-390.5, -30.5, 0.0);
+ DrawStrokeString(GLUT_STROKE_ROMAN, string);
+ glPopMatrix();
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 800, 400);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Font Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/line.c b/progs/samples/line.c
new file mode 100644
index 0000000000..59e1d62192
--- /dev/null
+++ b/progs/samples/line.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET 16
+
+
+GLenum rgb, doubleBuffer, windType;
+
+GLenum mode1, mode2;
+GLint size;
+float pntA[3] = {
+ -160.0, 0.0, 0.0
+};
+float pntB[3] = {
+ -130.0, 0.0, 0.0
+};
+float pntC[3] = {
+ -40.0, -50.0, 0.0
+};
+float pntD[3] = {
+ 30.0, 60.0, 0.0
+};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+ GLint i;
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glLineStipple(1, 0xF0E0);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+
+ if (!rgb) {
+ for (i = 0; i < 16; i++) {
+ glutSetColor(i+CI_OFFSET, i/15.0, i/15.0, 0.0);
+ }
+ }
+
+ mode1 = GL_FALSE;
+ mode2 = GL_FALSE;
+ size = 1;
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ mode1 = !mode1;
+ break;
+ case '2':
+ mode2 = !mode2;
+ break;
+ case 'W':
+ size++;
+ break;
+ case 'w':
+ size--;
+ if (size < 1) {
+ size = 1;
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ GLint ci, i;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glLineWidth(size);
+
+ if (mode1) {
+ glEnable(GL_LINE_STIPPLE);
+ } else {
+ glDisable(GL_LINE_STIPPLE);
+ }
+
+ if (mode2) {
+ ci = CI_OFFSET;
+ glEnable(GL_LINE_SMOOTH);
+ glEnable(GL_BLEND);
+ } else {
+ ci = COLOR_YELLOW;
+ glDisable(GL_LINE_SMOOTH);
+ glDisable(GL_BLEND);
+ }
+
+ glPushMatrix();
+
+ glShadeModel( GL_FLAT );
+
+ for (i = 0; i < 360; i += 5) {
+ glRotatef(5.0, 0,0,1);
+
+ (rgb) ? glColor3f(1.0, 1.0, 0.0) : glIndexi(ci);
+ glBegin(GL_LINE_STRIP);
+ glVertex3fv(pntA);
+ glVertex3fv(pntB);
+ glEnd();
+
+ glPointSize(1);
+
+ SetColor(COLOR_GREEN);
+ glBegin(GL_POINTS);
+ glVertex3fv(pntA);
+ glVertex3fv(pntB);
+ glEnd();
+ }
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Line Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/loadppm.c b/progs/samples/loadppm.c
new file mode 100644
index 0000000000..bf7c8dd1e8
--- /dev/null
+++ b/progs/samples/loadppm.c
@@ -0,0 +1,72 @@
+
+typedef struct {
+ int sizeX, sizeY;
+ GLubyte *data;
+} PPMImage;
+
+static PPMImage *LoadPPM(const char *filename)
+{
+ char buff[16];
+ PPMImage *result;
+ FILE *fp;
+ int maxval;
+
+ fp = fopen(filename, "rb");
+ if (!fp)
+ {
+ fprintf(stderr, "Unable to open file `%s'\n", filename);
+ exit(1);
+ }
+
+ if (!fgets(buff, sizeof(buff), fp))
+ {
+ perror(filename);
+ exit(1);
+ }
+
+ if (buff[0] != 'P' || buff[1] != '6')
+ {
+ fprintf(stderr, "Invalid image format (must be `P6')\n");
+ exit(1);
+ }
+
+ result = malloc(sizeof(PPMImage));
+ if (!result)
+ {
+ fprintf(stderr, "Unable to allocate memory\n");
+ exit(1);
+ }
+
+ if (fscanf(fp, "%d %d", &result->sizeX, &result->sizeY) != 2)
+ {
+ fprintf(stderr, "Error loading image `%s'\n", filename);
+ exit(1);
+ }
+
+ if (fscanf(fp, "%d", &maxval) != 1)
+ {
+ fprintf(stderr, "Error loading image `%s'\n", filename);
+ exit(1);
+ }
+
+ while (fgetc(fp) != '\n')
+ ;
+
+ result->data = malloc(3 * result->sizeX * result->sizeY);
+ if (!result)
+ {
+ fprintf(stderr, "Unable to allocate memory\n");
+ exit(1);
+ }
+
+ if (fread(result->data, 3 * result->sizeX, result->sizeY, fp) != result->sizeY)
+ {
+ fprintf(stderr, "Error loading image `%s'\n", filename);
+ exit(1);
+ }
+
+ fclose(fp);
+
+ return result;
+}
+
diff --git a/progs/samples/logo.c b/progs/samples/logo.c
new file mode 100644
index 0000000000..8f7de45b00
--- /dev/null
+++ b/progs/samples/logo.c
@@ -0,0 +1,1630 @@
+/* $Id: logo.c,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
+
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define PI 3.141592654
+
+#define BLACK 0
+#define GRAY 128
+#define WHITE 255
+#define BL 0x00
+#define WH 0xFF
+#define RD 0xA4,0x00,0x00,0xFF
+#define WT 0xFF,0xFF,0xFF,0xFF
+
+#define CHECKIMAGEWIDTH 8
+#define CHECKIMAGEHEIGHT 8
+#define BRICKIMAGEWIDTH 16
+#define BRICKIMAGEHEIGHT 16
+
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+float black[3] = {0.0, 0.0, 0.0};
+float white[3] = {1.0, 1.0, 1.0};
+float gray[3] = {0.5, 0.5, 0.5};
+float blue[3] = {0.0, 0.0, 1.0};
+GLint colorIndexes[3] = {0, 200, 255};
+
+GLenum polyMode;
+GLboolean dithering;
+GLboolean shade;
+GLboolean doStipple;
+GLboolean noDraw = 0;
+GLboolean LineSmooth = GL_FALSE;
+
+double plane[4] = {1.0, 0.0, -1.0, 0.0};
+float xRotation = 30.0, yRotation = 30.0;
+float zTranslation = -15.0;
+
+GLint singleCylinder;
+GLint doubleCylinder;
+GLint elbow, logo;
+
+GLubyte checkImage[3*CHECKIMAGEWIDTH*CHECKIMAGEHEIGHT] = {
+ BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+ WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+ WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+ BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+ WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+ WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+ BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+ WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+ WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+ BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+ WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+ WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+};
+GLubyte brickImage[4*BRICKIMAGEWIDTH*BRICKIMAGEHEIGHT] = {
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+ RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD
+};
+
+GLubyte *image = checkImage;
+GLint imageHeight = CHECKIMAGEHEIGHT;
+GLint imageWidth = CHECKIMAGEWIDTH;
+
+float decal[] = {
+ GL_DECAL,
+};
+float modulate[] = {
+ GL_MODULATE,
+};
+float repeat[] = {
+ GL_REPEAT,
+};
+float nearest[] = {
+ GL_NEAREST,
+};
+
+GLubyte stipple[4*32] = {
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+ 0x00, 0x0F, 0xF0, 0x00,
+
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+};
+
+float tscp[18][2] = {
+ {
+ 0.0, 0.0
+ },
+ {
+ 1.0, 0.0
+ },
+ {
+ 0.0, 0.125
+ },
+ {
+ 1.0, 0.125
+ },
+ {
+ 0.0, 0.250
+ },
+ {
+ 1.0, 0.25
+ },
+ {
+ 0.0, 0.375
+ },
+ {
+ 1.0, 0.375
+ },
+ {
+ 0.0, 0.50
+ },
+ {
+ 1.0, 0.50
+ },
+ {
+ 0.0, 0.625
+ },
+ {
+ 1.0, 0.625
+ },
+ {
+ 0.0, 0.75
+ },
+ {
+ 1.0, 0.75
+ },
+ {
+ 0.0, 0.875
+ },
+ {
+ 1.0, 0.875
+ },
+ {
+ 0.0, 1.0
+ },
+ {
+ 1.0, 1.0
+ }
+};
+float scp[18][3] = {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 5.000000
+ },
+ {
+ 0.707107, 0.707107, 0.000000
+ },
+ {
+ 0.707107, 0.707107, 5.000000
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ 0.000000, 1.000000, 5.000000
+ },
+ {
+ -0.707107, 0.707107, 0.000000
+ },
+ {
+ -0.707107, 0.707107, 5.000000
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -1.000000, 0.000000, 5.000000
+ },
+ {
+ -0.707107, -0.707107, 0.000000
+ },
+ {
+ -0.707107, -0.707107, 5.000000
+ },
+ {
+ 0.000000, -1.000000, 0.000000
+ },
+ {
+ 0.000000, -1.000000, 5.000000
+ },
+ {
+ 0.707107, -0.707107, 0.000000
+ },
+ {
+ 0.707107, -0.707107, 5.000000
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 5.000000
+ }
+};
+float dcp[18][3] = {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 7.000000
+ },
+ {
+ 0.707107, 0.707107, 0.000000
+ },
+ {
+ 0.707107, 0.707107, 7.000000
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ 0.000000, 1.000000, 7.000000
+ },
+ {
+ -0.707107, 0.707107, 0.000000
+ },
+ {
+ -0.707107, 0.707107, 7.000000
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -1.000000, 0.000000, 7.000000
+ },
+ {
+ -0.707107, -0.707107, 0.000000
+ },
+ {
+ -0.707107, -0.707107, 7.000000
+ },
+ {
+ 0.000000, -1.000000, 0.000000
+ },
+ {
+ 0.000000, -1.000000, 7.000000
+ },
+ {
+ 0.707107, -0.707107, 0.000000
+ },
+ {
+ 0.707107, -0.707107, 7.000000
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 7.000000
+ }
+};
+float ep[7][9][3] = {
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.707107, 0.000000
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.707107, 0.000000
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.707107, 0.000000
+ },
+ {
+ 0.000000, -1.000000, 0.000000
+ },
+ {
+ 0.707107, -0.707107, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.034074, 0.258819
+ },
+ {
+ 0.707107, 0.717087, 0.075806
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.717087, 0.075806
+ },
+ {
+ -1.000000, 0.034074, 0.258819
+ },
+ {
+ -0.707107, -0.648939, 0.441832
+ },
+ {
+ 0.000000, -0.931852, 0.517638
+ },
+ {
+ 0.707107, -0.648939, 0.441832
+ },
+ {
+ 1.000000, 0.034074, 0.258819
+ }
+ },
+ {
+ {
+ 1.000000, 0.133975, 0.500000
+ },
+ {
+ 0.707107, 0.746347, 0.146447
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.746347, 0.146447
+ },
+ {
+ -1.000000, 0.133975, 0.500000
+ },
+ {
+ -0.707107, -0.478398, 0.853553
+ },
+ {
+ 0.000000, -0.732051, 1.000000
+ },
+ {
+ 0.707107, -0.478398, 0.853553
+ },
+ {
+ 1.000000, 0.133975, 0.500000
+ }
+ },
+ {
+ {
+ 1.000000, 0.292893, 0.707107
+ },
+ {
+ 0.707107, 0.792893, 0.207107
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.792893, 0.207107
+ },
+ {
+ -1.000000, 0.292893, 0.707107
+ },
+ {
+ -0.707107, -0.207107, 1.207107
+ },
+ {
+ 0.000000, -0.414214, 1.414214
+ },
+ {
+ 0.707107, -0.207107, 1.207107
+ },
+ {
+ 1.000000, 0.292893, 0.707107
+ }
+ },
+ {
+ {
+ 1.000000, 0.500000, 0.866025
+ },
+ {
+ 0.707107, 0.853553, 0.253653
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.853553, 0.253653
+ },
+ {
+ -1.000000, 0.500000, 0.866025
+ },
+ {
+ -0.707107, 0.146447, 1.478398
+ },
+ {
+ 0.000000, 0.000000, 1.732051
+ },
+ {
+ 0.707107, 0.146447, 1.478398
+ },
+ {
+ 1.000000, 0.500000, 0.866025
+ }
+ },
+ {
+ {
+ 1.000000, 0.741181, 0.965926
+ },
+ {
+ 0.707107, 0.924194, 0.282913
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.924194, 0.282913
+ },
+ {
+ -1.000000, 0.741181, 0.965926
+ },
+ {
+ -0.707107, 0.558168, 1.648939
+ },
+ {
+ 0.000000, 0.482362, 1.931852
+ },
+ {
+ 0.707107, 0.558168, 1.648939
+ },
+ {
+ 1.000000, 0.741181, 0.965926
+ }
+ },
+ {
+ {
+ 1.000000, 1.000000, 1.000000
+ },
+ {
+ 0.707107, 1.000000, 0.292893
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 1.000000, 0.292893
+ },
+ {
+ -1.000000, 1.000000, 1.000000
+ },
+ {
+ -0.707107, 1.000000, 1.707107
+ },
+ {
+ 0.000000, 1.000000, 2.000000
+ },
+ {
+ 0.707107, 1.000000, 1.707107
+ },
+ {
+ 1.000000, 1.000000, 1.000000
+ }
+ }
+};
+float en[7][9][3] = {
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.707107, 0.000000
+ },
+ {
+ 0.000000, 1.000000, 0.000000
+ },
+ {
+ -0.707107, 0.707107, 0.000000
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.707107, 0.000000
+ },
+ {
+ 0.000000, -1.000000, 0.000000
+ },
+ {
+ 0.707107, -0.707107, 0.000000
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.683013, -0.183013
+ },
+ {
+ 0.000000, 0.965926, -0.258819
+ },
+ {
+ -0.707107, 0.683013, -0.183013
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.683013, 0.183013
+ },
+ {
+ 0.000000, -0.965926, 0.258819
+ },
+ {
+ 0.707107, -0.683013, 0.183013
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.612372, -0.353553
+ },
+ {
+ 0.000000, 0.866025, -0.500000
+ },
+ {
+ -0.707107, 0.612372, -0.353553
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.612372, 0.353553
+ },
+ {
+ 0.000000, -0.866025, 0.500000
+ },
+ {
+ 0.707107, -0.612372, 0.353553
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ /* These 3 lines added by BEP */
+ 0.707107, 0.500000, -0.500000
+ },
+ {
+ 0.000000, 0.707107, -0.707107
+ },
+ {
+ -0.707107, 0.500000, -0.500000
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.500000, 0.500000
+ },
+ {
+ 0.000000, -0.707107, 0.707107
+ },
+ {
+ 0.707107, -0.500000, 0.500000
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.353553, -0.612372
+ },
+ {
+ 0.000000, 0.500000, -0.866025
+ },
+ {
+ -0.707107, 0.353553, -0.612372
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.353553, 0.612372
+ },
+ {
+ 0.000000, -0.500000, 0.866025
+ },
+ {
+ 0.707107, -0.353553, 0.612372
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.183013, -0.683013
+ },
+ {
+ 0.000000, 0.258819, -0.965926
+ },
+ {
+ -0.707107, 0.183013, -0.683013
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, -0.183013, 0.683013
+ },
+ {
+ 0.000000, -0.258819, 0.965926
+ },
+ {
+ 0.707107, -0.183013, 0.683013
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ },
+ {
+ {
+ 1.000000, 0.000000, 0.000000
+ },
+ {
+ 0.707107, 0.000000, -0.707107
+ },
+ {
+ 0.000000, 0.000000, -1.000000
+ },
+ {
+ -0.707107, 0.000000, -0.707107
+ },
+ {
+ -1.000000, 0.000000, 0.000000
+ },
+ {
+ -0.707107, 0.000000, 0.707107
+ },
+ {
+ 0.000000, 0.000000, 1.000000
+ },
+ {
+ 0.707107, 0.000000, 0.707107
+ },
+ {
+ 1.000000, 0.000000, 0.000000
+ }
+ }
+};
+float tep[7][9][2] = {
+ {
+ {
+ 0, 0.0
+ },
+ {
+ 0.125, 0.0
+ },
+ {
+ 0.25, 0.0
+ },
+ {
+ 0.375, 0.0
+ },
+ {
+ 0.5, 0.0
+ },
+ {
+ 0.625, 0.0
+ },
+ {
+ 0.75, 0.0
+ },
+ {
+ 0.875, 0.0
+ },
+ {
+ 1.0, 0.0
+ }
+ },
+ {
+ {
+ 0, 0.16667
+ },
+ {
+ 0.125, 0.16667
+ },
+ {
+ 0.25, 0.16667
+ },
+ {
+ 0.375, 0.16667
+ },
+ {
+ 0.5, 0.16667
+ },
+ {
+ 0.625, 0.16667
+ },
+ {
+ 0.75, 0.16667
+ },
+ {
+ 0.875, 0.16667
+ },
+ {
+ 1.0, 0.16667
+ }
+ },
+ {
+ {
+ 0, 0.33333
+ },
+ {
+ 0.125, 0.33333
+ },
+ {
+ 0.25, 0.33333
+ },
+ {
+ 0.375, 0.33333
+ },
+ {
+ 0.5, 0.33333
+ },
+ {
+ 0.625, 0.33333
+ },
+ {
+ 0.75, 0.33333
+ },
+ {
+ 0.875, 0.33333
+ },
+ {
+ 1.0, 0.33333
+ }
+ },
+ {
+ {
+ 0, 0.5
+ },
+ {
+ 0.125, 0.5
+ },
+ {
+ 0.25, 0.5
+ },
+ {
+ 0.375, 0.5
+ },
+ {
+ 0.5, 0.5
+ },
+ {
+ 0.625, 0.5
+ },
+ {
+ 0.75, 0.5
+ },
+ {
+ 0.875, 0.5
+ },
+ {
+ 1.0, 0.5
+ }
+ },
+ {
+ {
+ 0, 0.6667
+ },
+ {
+ 0.125, 0.6667
+ },
+ {
+ 0.25, 0.6667
+ },
+ {
+ 0.375, 0.6667
+ },
+ {
+ 0.5, 0.6667
+ },
+ {
+ 0.625, 0.6667
+ },
+ {
+ 0.75, 0.6667
+ },
+ {
+ 0.875, 0.6667
+ },
+ {
+ 1.0, 0.6667
+ }
+ },
+ {
+ {
+ 0, 0.83333
+ },
+ {
+ 0.125, 0.83333
+ },
+ {
+ 0.25, 0.83333
+ },
+ {
+ 0.375, 0.83333
+ },
+ {
+ 0.5, 0.83333
+ },
+ {
+ 0.625, 0.83333
+ },
+ {
+ 0.75, 0.83333
+ },
+ {
+ 0.875, 0.83333
+ },
+ {
+ 1.0, 0.83333
+ }
+ },
+ {
+ {
+ 0, 1.0
+ },
+ {
+ 0.125, 1.0
+ },
+ {
+ 0.25, 1.0
+ },
+ {
+ 0.375, 1.0
+ },
+ {
+ 0.5, 1.0
+ },
+ {
+ 0.625, 1.0
+ },
+ {
+ 0.75, 1.0
+ },
+ {
+ 0.875, 1.0
+ },
+ {
+ 1.0, 1.0
+ }
+ }
+};
+
+
+static void SetUpAntiAliasedGrayScale(void)
+{
+ float color;
+ GLint i, j;
+
+ for (i = 0; i < 16; i++) {
+ color = (2 * i + 1) / 32.0;
+ for (j = 0; j < 16; j++) {
+ glutSetColor(i*16+j, color*j/15.0, color*j/15.0, color*j/15.0);
+ }
+ }
+}
+
+static void BendForward(void)
+{
+
+ glTranslatef(0.0, 1.0, 0.0);
+ glRotatef(90.0, 1, 0, 0);
+ glTranslatef(0.0, -1.0, 0.0);
+}
+
+static void BendLeft(void)
+{
+
+ glRotatef(-90.0, 0, 0, 1);
+ glTranslatef(0.0, 1.0, 0.0);
+ glRotatef(90.0, 1, 0, 0);
+ glTranslatef(0.0, -1.0, 0.0);
+}
+
+static void BendRight(void)
+{
+
+ glRotatef(90.0, 0, 0, 1);
+ glTranslatef(0.0, 1.0, 0.0);
+ glRotatef(90.0, 1, 0, 0);
+ glTranslatef(0.0, -1.0, 0.0);
+}
+
+static void BuildSingleCylinder(void)
+{
+
+ glNewList(singleCylinder, GL_COMPILE);
+
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(scp[0]); glTexCoord2fv(tscp[0]); glVertex3fv(scp[0]);
+ glNormal3fv(scp[0]); glTexCoord2fv(tscp[1]); glVertex3fv(scp[1]);
+ glNormal3fv(scp[2]); glTexCoord2fv(tscp[2]); glVertex3fv(scp[2]);
+ glNormal3fv(scp[2]); glTexCoord2fv(tscp[3]); glVertex3fv(scp[3]);
+ glNormal3fv(scp[4]); glTexCoord2fv(tscp[4]); glVertex3fv(scp[4]);
+ glNormal3fv(scp[4]); glTexCoord2fv(tscp[5]); glVertex3fv(scp[5]);
+ glNormal3fv(scp[6]); glTexCoord2fv(tscp[6]); glVertex3fv(scp[6]);
+ glNormal3fv(scp[6]); glTexCoord2fv(tscp[7]); glVertex3fv(scp[7]);
+ glNormal3fv(scp[8]); glTexCoord2fv(tscp[8]); glVertex3fv(scp[8]);
+ glNormal3fv(scp[8]); glTexCoord2fv(tscp[9]); glVertex3fv(scp[9]);
+ glNormal3fv(scp[10]); glTexCoord2fv(tscp[10]); glVertex3fv(scp[10]);
+ glNormal3fv(scp[10]); glTexCoord2fv(tscp[11]); glVertex3fv(scp[11]);
+ glNormal3fv(scp[12]); glTexCoord2fv(tscp[12]); glVertex3fv(scp[12]);
+ glNormal3fv(scp[12]); glTexCoord2fv(tscp[13]); glVertex3fv(scp[13]);
+ glNormal3fv(scp[14]); glTexCoord2fv(tscp[14]); glVertex3fv(scp[14]);
+ glNormal3fv(scp[14]); glTexCoord2fv(tscp[15]); glVertex3fv(scp[15]);
+ glNormal3fv(scp[16]); glTexCoord2fv(tscp[16]); glVertex3fv(scp[16]);
+ glNormal3fv(scp[16]); glTexCoord2fv(tscp[17]); glVertex3fv(scp[17]);
+ glEnd();
+
+ glEndList();
+}
+
+static void BuildDoubleCylinder(void)
+{
+
+ glNewList(doubleCylinder, GL_COMPILE);
+
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(dcp[0]); glTexCoord2fv(tscp[0]); glVertex3fv(dcp[0]);
+ glNormal3fv(dcp[0]); glTexCoord2fv(tscp[1]); glVertex3fv(dcp[1]);
+ glNormal3fv(dcp[2]); glTexCoord2fv(tscp[2]); glVertex3fv(dcp[2]);
+ glNormal3fv(dcp[2]); glTexCoord2fv(tscp[3]); glVertex3fv(dcp[3]);
+ glNormal3fv(dcp[4]); glTexCoord2fv(tscp[4]); glVertex3fv(dcp[4]);
+ glNormal3fv(dcp[4]); glTexCoord2fv(tscp[5]); glVertex3fv(dcp[5]);
+ glNormal3fv(dcp[6]); glTexCoord2fv(tscp[6]); glVertex3fv(dcp[6]);
+ glNormal3fv(dcp[6]); glTexCoord2fv(tscp[7]); glVertex3fv(dcp[7]);
+ glNormal3fv(dcp[8]); glTexCoord2fv(tscp[8]); glVertex3fv(dcp[8]);
+ glNormal3fv(dcp[8]); glTexCoord2fv(tscp[9]); glVertex3fv(dcp[9]);
+ glNormal3fv(dcp[10]); glTexCoord2fv(tscp[10]); glVertex3fv(dcp[10]);
+ glNormal3fv(dcp[10]); glTexCoord2fv(tscp[11]); glVertex3fv(dcp[11]);
+ glNormal3fv(dcp[12]); glTexCoord2fv(tscp[12]); glVertex3fv(dcp[12]);
+ glNormal3fv(dcp[12]); glTexCoord2fv(tscp[13]); glVertex3fv(dcp[13]);
+ glNormal3fv(dcp[14]); glTexCoord2fv(tscp[14]); glVertex3fv(dcp[14]);
+ glNormal3fv(dcp[14]); glTexCoord2fv(tscp[15]); glVertex3fv(dcp[15]);
+ glNormal3fv(dcp[16]); glTexCoord2fv(tscp[16]); glVertex3fv(dcp[16]);
+ glNormal3fv(dcp[16]); glTexCoord2fv(tscp[17]); glVertex3fv(dcp[17]);
+ glEnd();
+
+ glEndList();
+}
+
+static void BuildElbow(void)
+{
+
+ glNewList(elbow, GL_COMPILE);
+
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(en[0][0]); glTexCoord2fv(tep[0][0]); glVertex3fv(ep[0][0]);
+ glNormal3fv(en[1][0]); glTexCoord2fv(tep[1][0]); glVertex3fv(ep[1][0]);
+ glNormal3fv(en[0][1]); glTexCoord2fv(tep[0][1]); glVertex3fv(ep[0][1]);
+ glNormal3fv(en[1][1]); glTexCoord2fv(tep[1][1]); glVertex3fv(ep[1][1]);
+ glNormal3fv(en[0][2]); glTexCoord2fv(tep[0][2]); glVertex3fv(ep[0][2]);
+ glNormal3fv(en[1][2]); glTexCoord2fv(tep[1][2]); glVertex3fv(ep[1][2]);
+ glNormal3fv(en[0][3]); glTexCoord2fv(tep[0][3]); glVertex3fv(ep[0][3]);
+ glNormal3fv(en[1][3]); glTexCoord2fv(tep[1][3]); glVertex3fv(ep[1][3]);
+ glNormal3fv(en[0][4]); glTexCoord2fv(tep[0][4]); glVertex3fv(ep[0][4]);
+ glNormal3fv(en[1][4]); glTexCoord2fv(tep[1][4]); glVertex3fv(ep[1][4]);
+ glNormal3fv(en[0][5]); glTexCoord2fv(tep[0][5]); glVertex3fv(ep[0][5]);
+ glNormal3fv(en[1][5]); glTexCoord2fv(tep[1][5]); glVertex3fv(ep[1][5]);
+ glNormal3fv(en[0][6]); glTexCoord2fv(tep[0][6]); glVertex3fv(ep[0][6]);
+ glNormal3fv(en[1][6]); glTexCoord2fv(tep[1][6]); glVertex3fv(ep[1][6]);
+ glNormal3fv(en[0][7]); glTexCoord2fv(tep[0][7]); glVertex3fv(ep[0][7]);
+ glNormal3fv(en[1][7]); glTexCoord2fv(tep[1][7]); glVertex3fv(ep[1][7]);
+ glNormal3fv(en[0][8]); glTexCoord2fv(tep[0][8]); glVertex3fv(ep[0][8]);
+ glNormal3fv(en[1][8]); glTexCoord2fv(tep[1][8]); glVertex3fv(ep[1][8]);
+ glEnd();
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(en[1][0]); glTexCoord2fv(tep[1][0]); glVertex3fv(ep[1][0]);
+ glNormal3fv(en[2][0]); glTexCoord2fv(tep[2][0]); glVertex3fv(ep[2][0]);
+ glNormal3fv(en[1][1]); glTexCoord2fv(tep[1][1]); glVertex3fv(ep[1][1]);
+ glNormal3fv(en[2][1]); glTexCoord2fv(tep[2][1]); glVertex3fv(ep[2][1]);
+ glNormal3fv(en[1][2]); glTexCoord2fv(tep[1][2]); glVertex3fv(ep[1][2]);
+ glNormal3fv(en[2][2]); glTexCoord2fv(tep[2][2]); glVertex3fv(ep[2][2]);
+ glNormal3fv(en[1][3]); glTexCoord2fv(tep[1][3]); glVertex3fv(ep[1][3]);
+ glNormal3fv(en[2][3]); glTexCoord2fv(tep[2][3]); glVertex3fv(ep[2][3]);
+ glNormal3fv(en[1][4]); glTexCoord2fv(tep[1][4]); glVertex3fv(ep[1][4]);
+ glNormal3fv(en[2][4]); glTexCoord2fv(tep[2][4]); glVertex3fv(ep[2][4]);
+ glNormal3fv(en[1][5]); glTexCoord2fv(tep[1][5]); glVertex3fv(ep[1][5]);
+ glNormal3fv(en[2][5]); glTexCoord2fv(tep[2][5]); glVertex3fv(ep[2][5]);
+ glNormal3fv(en[1][6]); glTexCoord2fv(tep[1][6]); glVertex3fv(ep[1][6]);
+ glNormal3fv(en[2][6]); glTexCoord2fv(tep[2][6]); glVertex3fv(ep[2][6]);
+ glNormal3fv(en[1][7]); glTexCoord2fv(tep[1][7]); glVertex3fv(ep[1][7]);
+ glNormal3fv(en[2][7]); glTexCoord2fv(tep[2][7]); glVertex3fv(ep[2][7]);
+ glNormal3fv(en[1][8]); glTexCoord2fv(tep[1][8]); glVertex3fv(ep[1][8]);
+ glNormal3fv(en[2][8]); glTexCoord2fv(tep[2][8]); glVertex3fv(ep[2][8]);
+ glEnd();
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(en[2][0]); glTexCoord2fv(tep[2][0]); glVertex3fv(ep[2][0]);
+ glNormal3fv(en[3][0]); glTexCoord2fv(tep[3][0]); glVertex3fv(ep[3][0]);
+ glNormal3fv(en[2][1]); glTexCoord2fv(tep[2][1]); glVertex3fv(ep[2][1]);
+ glNormal3fv(en[3][1]); glTexCoord2fv(tep[3][1]); glVertex3fv(ep[3][1]);
+ glNormal3fv(en[2][2]); glTexCoord2fv(tep[2][2]); glVertex3fv(ep[2][2]);
+ glNormal3fv(en[3][2]); glTexCoord2fv(tep[3][2]); glVertex3fv(ep[3][2]);
+ glNormal3fv(en[2][3]); glTexCoord2fv(tep[2][3]); glVertex3fv(ep[2][3]);
+ glNormal3fv(en[3][3]); glTexCoord2fv(tep[3][3]); glVertex3fv(ep[3][3]);
+ glNormal3fv(en[2][4]); glTexCoord2fv(tep[2][4]); glVertex3fv(ep[2][4]);
+ glNormal3fv(en[3][4]); glTexCoord2fv(tep[3][4]); glVertex3fv(ep[3][4]);
+ glNormal3fv(en[2][5]); glTexCoord2fv(tep[2][5]); glVertex3fv(ep[2][5]);
+ glNormal3fv(en[3][5]); glTexCoord2fv(tep[3][5]); glVertex3fv(ep[3][5]);
+ glNormal3fv(en[2][6]); glTexCoord2fv(tep[2][6]); glVertex3fv(ep[2][6]);
+ glNormal3fv(en[3][6]); glTexCoord2fv(tep[3][6]); glVertex3fv(ep[3][6]);
+ glNormal3fv(en[2][7]); glTexCoord2fv(tep[2][7]); glVertex3fv(ep[2][7]);
+ glNormal3fv(en[3][7]); glTexCoord2fv(tep[3][7]); glVertex3fv(ep[3][7]);
+ glNormal3fv(en[2][8]); glTexCoord2fv(tep[2][8]); glVertex3fv(ep[2][8]);
+ glNormal3fv(en[3][8]); glTexCoord2fv(tep[3][8]); glVertex3fv(ep[3][8]);
+ glEnd();
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(en[3][0]); glTexCoord2fv(tep[3][0]); glVertex3fv(ep[3][0]);
+ glNormal3fv(en[4][0]); glTexCoord2fv(tep[4][0]); glVertex3fv(ep[4][0]);
+ glNormal3fv(en[3][1]); glTexCoord2fv(tep[3][1]); glVertex3fv(ep[3][1]);
+ glNormal3fv(en[4][1]); glTexCoord2fv(tep[4][1]); glVertex3fv(ep[4][1]);
+ glNormal3fv(en[3][2]); glTexCoord2fv(tep[3][2]); glVertex3fv(ep[3][2]);
+ glNormal3fv(en[4][2]); glTexCoord2fv(tep[4][2]); glVertex3fv(ep[4][2]);
+ glNormal3fv(en[3][3]); glTexCoord2fv(tep[3][3]); glVertex3fv(ep[3][3]);
+ glNormal3fv(en[4][3]); glTexCoord2fv(tep[4][3]); glVertex3fv(ep[4][3]);
+ glNormal3fv(en[3][4]); glTexCoord2fv(tep[3][4]); glVertex3fv(ep[3][4]);
+ glNormal3fv(en[4][4]); glTexCoord2fv(tep[4][4]); glVertex3fv(ep[4][4]);
+ glNormal3fv(en[3][5]); glTexCoord2fv(tep[3][5]); glVertex3fv(ep[3][5]);
+ glNormal3fv(en[4][5]); glTexCoord2fv(tep[4][5]); glVertex3fv(ep[4][5]);
+ glNormal3fv(en[3][6]); glTexCoord2fv(tep[3][6]); glVertex3fv(ep[3][6]);
+ glNormal3fv(en[4][6]); glTexCoord2fv(tep[4][6]); glVertex3fv(ep[4][6]);
+ glNormal3fv(en[3][7]); glTexCoord2fv(tep[3][7]); glVertex3fv(ep[3][7]);
+ glNormal3fv(en[4][7]); glTexCoord2fv(tep[4][7]); glVertex3fv(ep[4][7]);
+ glNormal3fv(en[3][8]); glTexCoord2fv(tep[3][8]); glVertex3fv(ep[3][8]);
+ glNormal3fv(en[4][8]); glTexCoord2fv(tep[4][8]); glVertex3fv(ep[4][8]);
+ glEnd();
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(en[4][0]); glTexCoord2fv(tep[4][0]); glVertex3fv(ep[4][0]);
+ glNormal3fv(en[5][0]); glTexCoord2fv(tep[5][0]); glVertex3fv(ep[5][0]);
+ glNormal3fv(en[4][1]); glTexCoord2fv(tep[4][1]); glVertex3fv(ep[4][1]);
+ glNormal3fv(en[5][1]); glTexCoord2fv(tep[5][1]); glVertex3fv(ep[5][1]);
+ glNormal3fv(en[4][2]); glTexCoord2fv(tep[4][2]); glVertex3fv(ep[4][2]);
+ glNormal3fv(en[5][2]); glTexCoord2fv(tep[5][2]); glVertex3fv(ep[5][2]);
+ glNormal3fv(en[4][3]); glTexCoord2fv(tep[4][3]); glVertex3fv(ep[4][3]);
+ glNormal3fv(en[5][3]); glTexCoord2fv(tep[5][3]); glVertex3fv(ep[5][3]);
+ glNormal3fv(en[4][4]); glTexCoord2fv(tep[4][4]); glVertex3fv(ep[4][4]);
+ glNormal3fv(en[5][4]); glTexCoord2fv(tep[5][4]); glVertex3fv(ep[5][4]);
+ glNormal3fv(en[4][5]); glTexCoord2fv(tep[4][5]); glVertex3fv(ep[4][5]);
+ glNormal3fv(en[5][5]); glTexCoord2fv(tep[5][5]); glVertex3fv(ep[5][5]);
+ glNormal3fv(en[4][6]); glTexCoord2fv(tep[4][6]); glVertex3fv(ep[4][6]);
+ glNormal3fv(en[5][6]); glTexCoord2fv(tep[5][6]); glVertex3fv(ep[5][6]);
+ glNormal3fv(en[4][7]); glTexCoord2fv(tep[4][7]); glVertex3fv(ep[4][7]);
+ glNormal3fv(en[5][7]); glTexCoord2fv(tep[5][7]); glVertex3fv(ep[5][7]);
+ glNormal3fv(en[4][8]); glTexCoord2fv(tep[4][8]); glVertex3fv(ep[4][8]);
+ glNormal3fv(en[5][8]); glTexCoord2fv(tep[5][8]); glVertex3fv(ep[5][8]);
+ glEnd();
+ glBegin(GL_TRIANGLE_STRIP);
+ glNormal3fv(en[5][0]); glTexCoord2fv(tep[5][0]); glVertex3fv(ep[5][0]);
+ glNormal3fv(en[6][0]); glTexCoord2fv(tep[6][0]); glVertex3fv(ep[6][0]);
+ glNormal3fv(en[5][1]); glTexCoord2fv(tep[5][1]); glVertex3fv(ep[5][1]);
+ glNormal3fv(en[6][1]); glTexCoord2fv(tep[6][1]); glVertex3fv(ep[6][1]);
+ glNormal3fv(en[5][2]); glTexCoord2fv(tep[5][2]); glVertex3fv(ep[5][2]);
+ glNormal3fv(en[6][2]); glTexCoord2fv(tep[6][2]); glVertex3fv(ep[6][2]);
+ glNormal3fv(en[5][3]); glTexCoord2fv(tep[5][3]); glVertex3fv(ep[5][3]);
+ glNormal3fv(en[6][3]); glTexCoord2fv(tep[6][3]); glVertex3fv(ep[6][3]);
+ glNormal3fv(en[5][4]); glTexCoord2fv(tep[5][4]); glVertex3fv(ep[5][4]);
+ glNormal3fv(en[6][4]); glTexCoord2fv(tep[6][4]); glVertex3fv(ep[6][4]);
+ glNormal3fv(en[5][5]); glTexCoord2fv(tep[5][5]); glVertex3fv(ep[5][5]);
+ glNormal3fv(en[6][5]); glTexCoord2fv(tep[6][5]); glVertex3fv(ep[6][5]);
+ glNormal3fv(en[5][6]); glTexCoord2fv(tep[5][6]); glVertex3fv(ep[5][6]);
+ glNormal3fv(en[6][6]); glTexCoord2fv(tep[6][6]); glVertex3fv(ep[6][6]);
+ glNormal3fv(en[5][7]); glTexCoord2fv(tep[5][7]); glVertex3fv(ep[5][7]);
+ glNormal3fv(en[6][7]); glTexCoord2fv(tep[6][7]); glVertex3fv(ep[6][7]);
+ glNormal3fv(en[5][8]); glTexCoord2fv(tep[5][8]); glVertex3fv(ep[5][8]);
+ glNormal3fv(en[6][8]); glTexCoord2fv(tep[6][8]); glVertex3fv(ep[6][8]);
+ glEnd();
+
+ glEndList();
+}
+
+static void BuildLogo(void)
+{
+
+ glNewList(logo, GL_COMPILE);
+
+ glTranslatef(5.5, -3.5, 4.5);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -5.0);
+ glCallList(singleCylinder);
+ BendRight();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -5.0);
+ glCallList(singleCylinder);
+ BendLeft();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -5.0);
+ glCallList(singleCylinder);
+ BendRight();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -5.0);
+ glCallList(singleCylinder);
+ BendLeft();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -5.0);
+ glCallList(singleCylinder);
+ BendRight();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -7.0);
+ glCallList(doubleCylinder);
+ BendForward();
+ glCallList(elbow);
+ glTranslatef(0.0, 0.0, -5.0);
+ glCallList(singleCylinder);
+ BendLeft();
+ glCallList(elbow);
+
+ glEndList();
+}
+
+static void BuildLists(void)
+{
+
+ singleCylinder = glGenLists(1);
+ doubleCylinder = glGenLists(1);
+ elbow = glGenLists(1);
+ logo = glGenLists(1);
+
+ BuildSingleCylinder();
+ BuildDoubleCylinder();
+ BuildElbow();
+ BuildLogo();
+}
+
+static void Init(void)
+{
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+ static float position[] = {90.0, 90.0, 150.0, 0.0};
+ static float front_mat_shininess[] = {30.0};
+ static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+ static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+ static float back_mat_shininess[] = {50.0};
+ static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+ static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+ static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+ static float lmodel_twoside[] = {GL_TRUE};
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glFrontFace(GL_CW);
+
+ glEnable(GL_DEPTH_TEST);
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+ glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+ glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+ glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+
+ glEnable(GL_CLIP_PLANE0);
+
+ if (rgb) {
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, CHECKIMAGEWIDTH, CHECKIMAGEHEIGHT, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, (GLvoid *)checkImage);
+ glEnable(GL_TEXTURE_2D);
+
+ glCullFace(GL_BACK);
+ glEnable(GL_CULL_FACE);
+ } else {
+ SetGreyRamp();
+ /* commented out by BrianP because it's the wrong way to handle a 4-bit visual!
+ if (doubleBuffer) {
+ colorIndexes[1] = 10;
+ colorIndexes[2] = 15;
+ }
+ */
+ glMaterialiv(GL_FRONT_AND_BACK, GL_COLOR_INDEXES, colorIndexes);
+ }
+
+ BuildLists();
+
+ dithering = GL_TRUE;
+ shade = GL_TRUE;
+ doStipple = GL_FALSE;
+ polyMode = GL_BACK;
+}
+
+static void Reshape(int width, int height)
+{
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(90, 1.0, 1.0, 200.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ yRotation += 0.5;
+ break;
+ case GLUT_KEY_RIGHT:
+ yRotation -= 0.5;
+ break;
+ case GLUT_KEY_UP:
+ plane[3] += 2.0;
+ break;
+ case GLUT_KEY_DOWN:
+ plane[3] -= 2.0;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(1);
+
+ case 'Z':
+ zTranslation -= 1.0;
+ break;
+ case 'z':
+ zTranslation += 1.0;
+ break;
+
+ case '1':
+ glPolygonMode(polyMode, GL_POINT);
+ break;
+ case '2':
+ glPolygonMode(polyMode, GL_LINE);
+ break;
+ case '3':
+ glPolygonMode(polyMode, GL_FILL);
+ break;
+ case 'p':
+ switch (polyMode) {
+ case GL_BACK:
+ polyMode = GL_FRONT;
+ break;
+ case GL_FRONT:
+ polyMode = GL_FRONT_AND_BACK;
+ break;
+ case GL_FRONT_AND_BACK:
+ polyMode = GL_BACK;
+ break;
+ default:
+ break;
+ }
+ break;
+
+ case '4':
+ glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
+ break;
+ case '5':
+ glEnable(GL_POLYGON_SMOOTH);
+ if (rgb) {
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ glEnable(GL_BLEND);
+ glDisable(GL_DEPTH_TEST);
+ } else {
+ SetUpAntiAliasedGrayScale();
+ }
+ break;
+ case '6':
+ glDisable(GL_POLYGON_SMOOTH);
+ if (rgb) {
+ glBlendFunc(GL_ONE, GL_ZERO);
+ glDisable(GL_BLEND);
+ glEnable(GL_DEPTH_TEST);
+ } else {
+ SetGreyRamp();
+ }
+ break;
+
+ case '8':
+ dithering = !dithering;
+ (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+ break;
+
+ case '9':
+ doStipple = !doStipple;
+ if (doStipple) {
+ glPolygonStipple(stipple);
+ glEnable(GL_POLYGON_STIPPLE);
+ } else {
+ glDisable(GL_POLYGON_STIPPLE);
+ }
+ break;
+
+ case '0':
+ shade = !shade;
+ (shade) ? glShadeModel(GL_SMOOTH) : glShadeModel(GL_FLAT);
+ break;
+
+ case 'q':
+ glDisable(GL_CULL_FACE);
+ break;
+ case 'w':
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_FRONT);
+ break;
+ case 'e':
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_BACK);
+ break;
+
+ case 'r':
+ glFrontFace(GL_CW);
+ break;
+ case 't':
+ glFrontFace(GL_CCW);
+ break;
+ case 'y':
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
+ glPolygonStipple(stipple);
+ break;
+ case 'u':
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
+ glPolygonStipple(stipple);
+ break;
+
+ case 'a':
+ glEnable(GL_TEXTURE_2D);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, BRICKIMAGEWIDTH,
+ BRICKIMAGEHEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+ (GLvoid *)brickImage);
+ break;
+ case 's':
+ glEnable(GL_TEXTURE_2D);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, CHECKIMAGEWIDTH,
+ CHECKIMAGEHEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE,
+ (GLvoid *)checkImage);
+ break;
+ case 'd':
+ glDisable(GL_TEXTURE_2D);
+ break;
+
+ case 'f':
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+ break;
+ case 'g':
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, modulate);
+ break;
+
+ case 'n':
+ /* added by BrianP */
+ noDraw = !noDraw;
+ if (noDraw) {
+ glDrawBuffer( GL_NONE );
+ }
+ else {
+ if (doubleBuffer) {
+ glDrawBuffer( GL_BACK );
+ }
+ else {
+ glDrawBuffer( GL_FRONT );
+ }
+ }
+ break;
+
+ case 'l':
+ /* Line Smooth - added by BrianP */
+ LineSmooth = !LineSmooth;
+ if (LineSmooth) {
+ glEnable(GL_LINE_SMOOTH);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glEnable(GL_BLEND);
+ }
+ else {
+ glDisable(GL_LINE_SMOOTH);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glDisable(GL_BLEND);
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+
+ glTranslatef(0, 0, zTranslation);
+ glRotatef(30.0, 1, 0, 0);
+ glRotatef(yRotation, 0, 1, 0);
+ glClipPlane(GL_CLIP_PLANE0, plane);
+ glCallList(logo);
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ unsigned int type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_DEPTH;
+ type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Logo Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/nurb.c b/progs/samples/nurb.c
new file mode 100644
index 0000000000..f90c6ee91f
--- /dev/null
+++ b/progs/samples/nurb.c
@@ -0,0 +1,355 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+#define INREAL float
+
+#define S_NUMPOINTS 13
+#define S_ORDER 3
+#define S_NUMKNOTS (S_NUMPOINTS + S_ORDER)
+#define T_NUMPOINTS 3
+#define T_ORDER 3
+#define T_NUMKNOTS (T_NUMPOINTS + T_ORDER)
+#define SQRT_TWO 1.41421356237309504880
+
+
+typedef INREAL Point[4];
+
+
+GLenum doubleBuffer;
+
+GLenum expectedError;
+GLint rotX = 40, rotY = 40;
+INREAL sknots[S_NUMKNOTS] = {
+ -1.0, -1.0, -1.0, 0.0, 1.0, 2.0, 3.0, 4.0,
+ 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 9.0, 9.0
+};
+INREAL tknots[T_NUMKNOTS] = {
+ 1.0, 1.0, 1.0, 2.0, 2.0, 2.0
+};
+Point ctlpoints[S_NUMPOINTS][T_NUMPOINTS] = {
+ {
+ {
+ 4.0, 2.0, 2.0, 1.0
+ },
+ {
+ 4.0, 1.6, 2.5, 1.0
+ },
+ {
+ 4.0, 2.0, 3.0, 1.0
+ }
+ },
+ {
+ {
+ 5.0, 4.0, 2.0, 1.0
+ },
+ {
+ 5.0, 4.0, 2.5, 1.0
+ },
+ {
+ 5.0, 4.0, 3.0, 1.0
+ }
+ },
+ {
+ {
+ 6.0, 5.0, 2.0, 1.0
+ },
+ {
+ 6.0, 5.0, 2.5, 1.0
+ },
+ {
+ 6.0, 5.0, 3.0, 1.0
+ }
+ },
+ {
+ {
+ SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+ },
+ {
+ SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+ },
+ {
+ SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+ }
+ },
+ {
+ {
+ 5.2, 6.7, 2.0, 1.0
+ },
+ {
+ 5.2, 6.7, 2.5, 1.0
+ },
+ {
+ 5.2, 6.7, 3.0, 1.0
+ }
+ },
+ {
+ {
+ SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+ },
+ {
+ SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+ },
+ {
+ SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+ }
+ },
+ {
+ {
+ 4.0, 5.2, 2.0, 1.0
+ },
+ {
+ 4.0, 4.6, 2.5, 1.0
+ },
+ {
+ 4.0, 5.2, 3.0, 1.0
+ }
+ },
+ {
+ {
+ SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+ },
+ {
+ SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+ },
+ {
+ SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+ }
+ },
+ {
+ {
+ 2.8, 6.7, 2.0, 1.0
+ },
+ {
+ 2.8, 6.7, 2.5, 1.0
+ },
+ {
+ 2.8, 6.7, 3.0, 1.0
+ }
+ },
+ {
+ {
+ SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+ },
+ {
+ SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+ },
+ {
+ SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+ }
+ },
+ {
+ {
+ 2.0, 5.0, 2.0, 1.0
+ },
+ {
+ 2.0, 5.0, 2.5, 1.0
+ },
+ {
+ 2.0, 5.0, 3.0, 1.0
+ }
+ },
+ {
+ {
+ 3.0, 4.0, 2.0, 1.0
+ },
+ {
+ 3.0, 4.0, 2.5, 1.0
+ },
+ {
+ 3.0, 4.0, 3.0, 1.0
+ }
+ },
+ {
+ {
+ 4.0, 2.0, 2.0, 1.0
+ },
+ {
+ 4.0, 1.6, 2.5, 1.0
+ },
+ {
+ 4.0, 2.0, 3.0, 1.0
+ }
+ }
+};
+GLUnurbsObj *theNurbs;
+
+
+static void CALLBACK ErrorCallback(GLenum which)
+{
+
+ if (which != expectedError) {
+ fprintf(stderr, "Unexpected error occured (%d):\n", which);
+ fprintf(stderr, " %s\n", (char *) gluErrorString(which));
+ }
+}
+
+static void Init(void)
+{
+
+ theNurbs = gluNewNurbsRenderer();
+ gluNurbsCallback(theNurbs, GLU_ERROR, ErrorCallback);
+
+ gluNurbsProperty(theNurbs, GLU_SAMPLING_TOLERANCE, 15.0);
+ gluNurbsProperty(theNurbs, GLU_DISPLAY_MODE, GLU_OUTLINE_PATCH);
+
+ expectedError = GLU_INVALID_ENUM;
+ gluNurbsProperty(theNurbs, ~0, 15.0);
+ expectedError = GLU_NURBS_ERROR13;
+ gluEndSurface(theNurbs);
+ expectedError = 0;
+
+ glColor3f(1.0, 1.0, 1.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-2.0, 2.0, -2.0, 2.0, 0.8, 10.0);
+ gluLookAt(7.0, 4.5, 4.0, 4.5, 4.5, 2.5, 6.0, -3.0, 2.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_DOWN:
+ rotX -= 5;
+ break;
+ case GLUT_KEY_UP:
+ rotX += 5;
+ break;
+ case GLUT_KEY_LEFT:
+ rotY -= 5;
+ break;
+ case GLUT_KEY_RIGHT:
+ rotY += 5;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ }
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glPushMatrix();
+
+ glTranslatef(4.0, 4.5, 2.5);
+ glRotatef(rotY, 1, 0, 0);
+ glRotatef(rotX, 0, 1, 0);
+ glTranslatef(-4.0, -4.5, -2.5);
+
+ gluBeginSurface(theNurbs);
+ gluNurbsSurface(theNurbs, S_NUMKNOTS, sknots, T_NUMKNOTS, tknots,
+ 4*T_NUMPOINTS, 4, &ctlpoints[0][0][0], S_ORDER,
+ T_ORDER, GL_MAP2_VERTEX_4);
+ gluEndSurface(theNurbs);
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("NURBS Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/oglinfo.c b/progs/samples/oglinfo.c
new file mode 100644
index 0000000000..4fe51efb3c
--- /dev/null
+++ b/progs/samples/oglinfo.c
@@ -0,0 +1,218 @@
+/* oglinfo.c */
+
+/* This demo modified by BrianP to accomodate Mesa and test
+ * the GLX 1.1 functions.
+ */
+
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include <string.h>
+
+int visual_request0[] = { None }; /* don't need much of a visual */
+int visual_request1[] = { GLX_RGBA, None }; /* in case CI failed */
+
+int main(int argc, char **argv)
+{
+ char *display_name = NULL;
+ char *string;
+ Display *dpy;
+ int screen_num;
+ int major, minor;
+ XVisualInfo *vis;
+ GLXContext ctx;
+ Window root, win;
+ Colormap cmap;
+ XSetWindowAttributes swa;
+ int dontcare;
+
+ /* parse arguments */
+ if(argc > 1) {
+ if(!strcmp(argv[1],"-display"))
+ display_name = argv[2];
+ else {
+ fprintf(stderr, "Usage: %s [-display <display>]\n",argv[0]);
+ return 0;
+ }
+ }
+
+ /* get display */
+ if (!(dpy = XOpenDisplay(display_name))) {
+ fprintf(stderr,"Error: XOpenDisplay() failed.\n");
+ return 1;
+ }
+
+ /* does the server know about OpenGL & GLX? */
+#ifndef MESA
+ if(!XQueryExtension(dpy, "GLX", &dontcare, &dontcare, &dontcare)) {
+ fprintf(stderr,"This system doesn't appear to support OpenGL\n");
+ return 1;
+ }
+#else
+ (void) dontcare;
+#endif
+
+ /* find the glx version */
+ if(glXQueryVersion(dpy, &major, &minor))
+ printf("GLX Version: %d.%d\n", major, minor);
+ else {
+ fprintf(stderr, "Error: glXQueryVersion() failed.\n");
+ return 1;
+ }
+
+ /* get screen number */
+ screen_num = DefaultScreen(dpy);
+
+/* This #ifdef isn't redundant. It keeps the build from breaking
+** if you are building on a machine that has an old (1.0) version
+** of glx.
+**
+** This program could still be *run* on a machine that has an old
+** version of glx, even if it was *compiled* on a version that has
+** a new version.
+**
+** If compiled on a system with an old version of glx, then it will
+** never recognize glx extensions, since that code would have been
+** #ifdef'ed out.
+*/
+#ifdef GLX_VERSION_1_1
+
+ /*
+ ** This test guarantees that glx, on the display you are inquiring,
+ ** suppports glXQueryExtensionsString().
+ */
+ if(minor > 0 || major > 1)
+ string = (char *) glXQueryExtensionsString(dpy, screen_num);
+ else
+ string = "";
+
+ if(string)
+ printf("GLX Extensions (client & server): %s\n",
+ string);
+ else {
+ fprintf(stderr, "Error: glXQueryExtensionsString() failed.\n");
+ return 1;
+ }
+
+ if (minor>0 || major>1) {
+ printf("glXGetClientString(GLX_VENDOR): %s\n", glXGetClientString(dpy,GLX_VENDOR));
+ printf("glXGetClientString(GLX_VERSION): %s\n", glXGetClientString(dpy,GLX_VERSION));
+ printf("glXGetClientString(GLX_EXTENSIONS): %s\n", glXGetClientString(dpy,GLX_EXTENSIONS));
+ printf("glXQueryServerString(GLX_VENDOR): %s\n", glXQueryServerString(dpy,screen_num,GLX_VENDOR));
+ printf("glXQueryServerString(GLX_VERSION): %s\n", glXQueryServerString(dpy,screen_num,GLX_VERSION));
+ printf("glXQueryServerString(GLX_EXTENSIONS): %s\n", glXQueryServerString(dpy,screen_num,GLX_EXTENSIONS));
+ }
+
+
+#endif
+
+ /* get any valid OpenGL visual */
+ if (!(vis = glXChooseVisual(dpy, screen_num, visual_request0))) {
+ if (!(vis = glXChooseVisual(dpy, screen_num, visual_request1))) {
+ fprintf(stderr,"Error: glXChooseVisual() failed.\n");
+ return 1;
+ }
+ }
+
+ /* get context */
+ ctx = glXCreateContext(dpy,vis,0,GL_TRUE);
+
+ /* root window */
+ root = RootWindow(dpy,vis->screen);
+
+ /* get RGBA colormap */
+ cmap = XCreateColormap(dpy, root, vis->visual, AllocNone);
+
+ /* get window */
+ swa.colormap = cmap;
+ swa.border_pixel = 0;
+ swa.event_mask = StructureNotifyMask;
+ win = XCreateWindow(dpy, root, 0, 0, 1, 1, 0, vis->depth,
+ InputOutput,vis->visual,
+ CWBorderPixel|CWColormap|CWEventMask,
+ &swa);
+
+ glXMakeCurrent(dpy,win,ctx);
+
+ string = (char *) glGetString(GL_VERSION);
+ if(string)
+#ifdef MESA
+ printf("Mesa Version: %s\n", string);
+#else
+ printf("OpenGL Version: %s\n", string);
+#endif
+ else {
+ fprintf(stderr, "Error: glGetString(GL_VERSION) failed.\n");
+ return 1;
+ }
+
+ string = (char *) glGetString(GL_EXTENSIONS);
+
+ if(string)
+#ifdef MESA
+ printf("Mesa Extensions: %s\n", string);
+#else
+ printf("OpenGL Extensions: %s\n", string);
+#endif
+ else {
+ fprintf(stderr, "Error: glGetString(GL_EXTENSIONS) failed.\n");
+ return 1;
+ }
+
+ string = (char *) glGetString(GL_RENDERER);
+
+ if(string)
+#ifdef MESA
+ printf("Mesa Renderer: %s\n", string);
+#else
+ printf("OpenGL renderer: %s\n", string);
+#endif
+ else {
+ fprintf(stderr, "Error: glGetString(GL_RENDERER) failed.\n");
+ return 1;
+ }
+
+/*
+** This #ifdef prevents a build failure if you compile on an a
+** machine with an old GLU library.
+**
+** If you build on a pre GLU 1.1 machine, you will never be able
+** to get glu info, even if you run on a GLU 1.1 or latter machine,
+** since the code has been #ifdef'ed out.
+*/
+#ifdef GLU_VERSION_1_1
+
+ /*
+ ** If the glx version is 1.1 or latter, gluGetString() is guaranteed
+ ** to exist.
+ */
+ if(minor > 0 || major > 1)
+ string = (char *) gluGetString(GLU_VERSION);
+ else
+ string = "1.0";
+
+ if(string)
+ printf("GLU Version: %s\n", string);
+ else {
+ fprintf(stderr, "Error: gluGetString(GLU_VERSION) failed.\n");
+ return 1;
+ }
+
+ if(minor > 0 || major > 1)
+ string = (char *) gluGetString(GLU_EXTENSIONS);
+ else
+ string = "";
+
+ if(string)
+ printf("GLU Extensions: %s\n", string);
+ else {
+ fprintf(stderr, "Error: gluGetString(GLU_EXTENSIONS) failed.\n");
+ return 1;
+ }
+
+#endif
+ return 0;
+}
diff --git a/progs/samples/olympic.c b/progs/samples/olympic.c
new file mode 100644
index 0000000000..db72002c01
--- /dev/null
+++ b/progs/samples/olympic.c
@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * Nov 20, 1995 use stdlib's rand()/srand() instead of random()/srand48(), etc.
+ */
+
+/*
+ * Modified by Li Wei(liwei@aiar.xjtu.edu.cn) to be able to run in Windows
+ * 6/13
+ *
+ * Modified by Brian Paul to compile with Windows OR Unix. 7/23/97
+ */
+
+
+#define _HPUX_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#ifndef RAND_MAX
+# define RAND_MAX 32767
+#endif
+
+
+#define XSIZE 100
+#define YSIZE 75
+
+#define RINGS 5
+#define BLUERING 0
+#define BLACKRING 1
+#define REDRING 2
+#define YELLOWRING 3
+#define GREENRING 4
+
+#define BACKGROUND 8
+
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+unsigned char rgb_colors[RINGS][3];
+int mapped_colors[RINGS];
+float dests[RINGS][3];
+float offsets[RINGS][3];
+float angs[RINGS];
+float rotAxis[RINGS][3];
+int iters[RINGS];
+GLuint theTorus;
+
+
+void FillTorus(float rc, int numc, float rt, int numt)
+{
+ int i, j, k;
+ double s, t;
+ double x, y, z;
+ double pi, twopi;
+
+ pi = 3.14159265358979323846;
+ twopi = 2 * pi;
+
+ for (i = 0; i < numc; i++) {
+ glBegin(GL_QUAD_STRIP);
+ for (j = 0; j <= numt; j++) {
+ for (k = 1; k >= 0; k--) {
+ s = (i + k) % numc + 0.5;
+ t = j % numt;
+
+ x = cos(t*twopi/numt) * cos(s*twopi/numc);
+ y = sin(t*twopi/numt) * cos(s*twopi/numc);
+ z = sin(s*twopi/numc);
+ glNormal3f(x, y, z);
+
+ x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt);
+ y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt);
+ z = rc * sin(s*twopi/numc);
+ glVertex3f(x, y, z);
+ }
+ }
+ glEnd();
+ }
+}
+
+float Clamp(int iters_left, float t)
+{
+
+ if (iters_left < 3) {
+ return 0.0;
+ }
+ return (iters_left-2)*t/iters_left;
+}
+
+void DrawScene(void)
+{
+ int i, j;
+ GLboolean goIdle;
+
+ goIdle = GL_TRUE;
+ for (i = 0; i < RINGS; i++) {
+ if (iters[i]) {
+ for (j = 0; j < 3; j++) {
+ offsets[i][j] = Clamp(iters[i], offsets[i][j]);
+ }
+ angs[i] = Clamp(iters[i], angs[i]);
+ iters[i]--;
+ goIdle = GL_FALSE;
+ }
+ }
+ if (goIdle) {
+ glutIdleFunc(NULL);
+ }
+
+ glPushMatrix();
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+ gluLookAt(0,0,10, 0,0,0, 0,1,0);
+
+ for (i = 0; i < RINGS; i++) {
+ if (rgb) {
+ glColor3ubv(rgb_colors[i]);
+ } else {
+ glIndexi(mapped_colors[i]);
+ }
+ glPushMatrix();
+ glTranslatef(dests[i][0]+offsets[i][0], dests[i][1]+offsets[i][1],
+ dests[i][2]+offsets[i][2]);
+ glRotatef(angs[i], rotAxis[i][0], rotAxis[i][1], rotAxis[i][2]);
+ glCallList(theTorus);
+ glPopMatrix();
+ }
+
+ glPopMatrix();
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+float MyRand(void)
+{
+ return 10.0 * ( (float) rand() / (float) RAND_MAX - 0.5 );
+}
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+ glutPostRedisplay();
+}
+
+void ReInit(void)
+{
+ int i;
+ float deviation;
+
+ deviation = MyRand() / 2;
+ deviation = deviation * deviation;
+ for (i = 0; i < RINGS; i++) {
+ offsets[i][0] = MyRand();
+ offsets[i][1] = MyRand();
+ offsets[i][2] = MyRand();
+ angs[i] = 260.0 * MyRand();
+ rotAxis[i][0] = MyRand();
+ rotAxis[i][1] = MyRand();
+ rotAxis[i][2] = MyRand();
+ iters[i] = (deviation * MyRand() + 60.0);
+ }
+ glutIdleFunc(glut_post_redisplay_p);
+}
+
+void Init(void)
+{
+ float base, height;
+ float aspect, x, y;
+ int i;
+
+ float top_y = 1.0;
+ float bottom_y = 0.0;
+ float top_z = 0.15;
+ float bottom_z = 0.69;
+ float spacing = 2.5;
+ static float lmodel_ambient[] = {0.0, 0.0, 0.0, 0.0};
+ static float lmodel_twoside[] = {GL_FALSE};
+ static float lmodel_local[] = {GL_FALSE};
+ static float light0_ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float light0_diffuse[] = {1.0, 1.0, 1.0, 0.0};
+ static float light0_position[] = {0.8660254, 0.5, 1, 0};
+ static float light0_specular[] = {1.0, 1.0, 1.0, 0.0};
+ static float bevel_mat_ambient[] = {0.0, 0.0, 0.0, 1.0};
+ static float bevel_mat_shininess[] = {40.0};
+ static float bevel_mat_specular[] = {1.0, 1.0, 1.0, 0.0};
+ static float bevel_mat_diffuse[] = {1.0, 0.0, 0.0, 0.0};
+
+ srand( (unsigned int) glutGet(GLUT_ELAPSED_TIME) );
+
+ ReInit();
+ for (i = 0; i < RINGS; i++) {
+ rgb_colors[i][0] = rgb_colors[i][1] = rgb_colors[i][2] = 0;
+ }
+ rgb_colors[BLUERING][2] = 255;
+ rgb_colors[REDRING][0] = 255;
+ rgb_colors[GREENRING][1] = 255;
+ rgb_colors[YELLOWRING][0] = 255;
+ rgb_colors[YELLOWRING][1] = 255;
+ mapped_colors[BLUERING] = COLOR_BLUE;
+ mapped_colors[REDRING] = COLOR_RED;
+ mapped_colors[GREENRING] = COLOR_GREEN;
+ mapped_colors[YELLOWRING] = COLOR_YELLOW;
+ mapped_colors[BLACKRING] = COLOR_BLACK;
+
+ dests[BLUERING][0] = -spacing;
+ dests[BLUERING][1] = top_y;
+ dests[BLUERING][2] = top_z;
+
+ dests[BLACKRING][0] = 0.0;
+ dests[BLACKRING][1] = top_y;
+ dests[BLACKRING][2] = top_z;
+
+ dests[REDRING][0] = spacing;
+ dests[REDRING][1] = top_y;
+ dests[REDRING][2] = top_z;
+
+ dests[YELLOWRING][0] = -spacing / 2.0;
+ dests[YELLOWRING][1] = bottom_y;
+ dests[YELLOWRING][2] = bottom_z;
+
+ dests[GREENRING][0] = spacing / 2.0;
+ dests[GREENRING][1] = bottom_y;
+ dests[GREENRING][2] = bottom_z;
+
+ base = 2.0;
+ height = 2.0;
+ theTorus = glGenLists(1);
+ glNewList(theTorus, GL_COMPILE);
+ FillTorus(0.1, 8, 1.0, 25);
+ glEndList();
+
+ x = (float)XSIZE;
+ y = (float)YSIZE;
+ aspect = x / y;
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_BACK);
+ glEnable(GL_DEPTH_TEST);
+ glClearDepth(1.0);
+
+ if (rgb) {
+ glClearColor(0.5, 0.5, 0.5, 0.0);
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
+ glEnable(GL_LIGHT0);
+
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glEnable(GL_LIGHTING);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, bevel_mat_ambient);
+ glMaterialfv(GL_FRONT, GL_SHININESS, bevel_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, bevel_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, bevel_mat_diffuse);
+
+ glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+ glEnable(GL_COLOR_MATERIAL);
+ glShadeModel(GL_SMOOTH);
+ } else {
+ glClearIndex(BACKGROUND);
+ glShadeModel(GL_FLAT);
+ }
+
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective(45, 1.33, 0.1, 100.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, width, height);
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 32:
+ ReInit();
+ break;
+ }
+}
+
+GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 300);
+
+ type = GLUT_DEPTH;
+ type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Olympic") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(DrawScene);
+ glutIdleFunc(glut_post_redisplay_p);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/overlay.c b/progs/samples/overlay.c
new file mode 100644
index 0000000000..41bbc26114
--- /dev/null
+++ b/progs/samples/overlay.c
@@ -0,0 +1,378 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+#include <GL/glut.h>
+
+
+#ifndef PI
+#define PI 3.141592657
+#endif
+
+
+enum {
+ NORMAL = 0,
+ WEIRD = 1
+};
+
+enum {
+ STREAK = 0,
+ CIRCLE = 1
+};
+
+#define MAXSTARS 400
+#define MAXPOS 10000
+#define MAXWARP 10
+#define MAXANGLES 6000
+
+
+typedef struct _starRec {
+ GLint type;
+ float x[2], y[2], z[2];
+ float offsetX, offsetY, offsetR, rotation;
+} starRec;
+
+
+GLenum doubleBuffer;
+GLint windW, windH;
+
+GLenum flag = NORMAL, overlayInit = GL_FALSE;
+GLint starCount = MAXSTARS / 2;
+float speed = 1.0;
+GLint nitro = 0;
+starRec stars[MAXSTARS];
+float sinTable[MAXANGLES];
+
+
+float Sin(float angle)
+{
+
+ return (sinTable[(GLint)angle]);
+}
+
+float Cos(float angle)
+{
+
+ return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]);
+}
+
+void NewStar(GLint n, GLint d)
+{
+
+ if (rand()%4 == 0) {
+ stars[n].type = CIRCLE;
+ } else {
+ stars[n].type = STREAK;
+ }
+ stars[n].x[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+ stars[n].y[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+ stars[n].z[0] = (float)(rand() % MAXPOS + d);
+ if (rand()%4 == 0 && flag == WEIRD) {
+ stars[n].offsetX = (float)(rand() % 100 - 100 / 2);
+ stars[n].offsetY = (float)(rand() % 100 - 100 / 2);
+ stars[n].offsetR = (float)(rand() % 25 - 25 / 2);
+ } else {
+ stars[n].offsetX = 0.0;
+ stars[n].offsetY = 0.0;
+ stars[n].offsetR = 0.0;
+ }
+}
+
+void RotatePoint(float *x, float *y, float rotation)
+{
+ float tmpX, tmpY;
+
+ tmpX = *x * Cos(rotation) - *y * Sin(rotation);
+ tmpY = *y * Cos(rotation) + *x * Sin(rotation);
+ *x = tmpX;
+ *y = tmpY;
+}
+
+void MoveStars(void)
+{
+ float offset;
+ GLint n;
+
+ offset = speed * 60.0;
+
+ for (n = 0; n < starCount; n++) {
+ stars[n].x[1] = stars[n].x[0];
+ stars[n].y[1] = stars[n].y[0];
+ stars[n].z[1] = stars[n].z[0];
+ stars[n].x[0] += stars[n].offsetX;
+ stars[n].y[0] += stars[n].offsetY;
+ stars[n].z[0] -= offset;
+ stars[n].rotation += stars[n].offsetR;
+ if (stars[n].rotation > MAXANGLES) {
+ stars[n].rotation = 0.0;
+ }
+ }
+}
+
+GLenum StarPoint(GLint n)
+{
+ float x0, y0, x1, y1, width;
+ GLint i;
+
+ x0 = stars[n].x[0] * windW / stars[n].z[0];
+ y0 = stars[n].y[0] * windH / stars[n].z[0];
+ RotatePoint(&x0, &y0, stars[n].rotation);
+ x0 += windW / 2.0;
+ y0 += windH / 2.0;
+
+ if (x0 >= 0.0 && x0 < windW && y0 >= 0.0 && y0 < windH) {
+ if (stars[n].type == STREAK) {
+ x1 = stars[n].x[1] * windW / stars[n].z[1];
+ y1 = stars[n].y[1] * windH / stars[n].z[1];
+ RotatePoint(&x1, &y1, stars[n].rotation);
+ x1 += windW / 2.0;
+ y1 += windH / 2.0;
+
+ glLineWidth(MAXPOS/100.0/stars[n].z[0]+1.0);
+ glColor3f(1.0, (MAXWARP-speed)/MAXWARP, (MAXWARP-speed)/MAXWARP);
+ if (fabs(x0-x1) < 1.0 && fabs(y0-y1) < 1.0) {
+ glBegin(GL_POINTS);
+ glVertex2f(x0, y0);
+ glEnd();
+ } else {
+ glBegin(GL_LINES);
+ glVertex2f(x0, y0);
+ glVertex2f(x1, y1);
+ glEnd();
+ }
+ } else {
+ width = MAXPOS / 10.0 / stars[n].z[0] + 1.0;
+ glColor3f(1.0, 0.0, 0.0);
+ glBegin(GL_POLYGON);
+ for (i = 0; i < 8; i++) {
+ float x = x0 + width * Cos((float)i*MAXANGLES/8.0);
+ float y = y0 + width * Sin((float)i*MAXANGLES/8.0);
+ glVertex2f(x, y);
+ };
+ glEnd();
+ }
+ return GL_TRUE;
+ } else {
+ return GL_FALSE;
+ }
+}
+
+void ShowStars(void)
+{
+ GLint n;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ for (n = 0; n < starCount; n++) {
+ if (stars[n].z[0] > speed || (stars[n].z[0] > 0.0 && speed < MAXWARP)) {
+ if (StarPoint(n) == GL_FALSE) {
+ NewStar(n, MAXPOS);
+ }
+ } else {
+ NewStar(n, MAXPOS);
+ }
+ }
+}
+
+static void Init(void)
+{
+ float angle;
+ GLint n;
+
+ srand((unsigned int)time(NULL));
+
+ for (n = 0; n < MAXSTARS; n++) {
+ NewStar(n, 100);
+ }
+
+ angle = 0.0;
+ for (n = 0; n < MAXANGLES ; n++) {
+ sinTable[n] = sin(angle);
+ angle += PI / (MAXANGLES / 2.0);
+ }
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glDisable(GL_DITHER);
+}
+
+void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+
+ glutUseLayer(GLUT_OVERLAY);
+
+ glViewport(0, 0, windW, windH);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5);
+ glMatrixMode(GL_MODELVIEW);
+ overlayInit = GL_FALSE;
+
+ glutUseLayer(GLUT_NORMAL);
+
+ glViewport(0, 0, windW, windH);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 32:
+ flag = (flag == NORMAL) ? WEIRD : NORMAL;
+ break;
+ case 't':
+ nitro = 1;
+ break;
+ default:
+ return;
+ }
+}
+
+void Idle(void)
+{
+
+ if (overlayInit == GL_FALSE) {
+ glutUseLayer(GLUT_OVERLAY);
+ glClear(GL_COLOR_BUFFER_BIT);
+/* glColor3f(1.0, 0.0, 0.0);*/
+
+ glIndexf( 2.0 );
+ glBegin(GL_POLYGON);
+ glVertex2i(windW/4-10, windH/4-10);
+ glVertex2i(windW/2-10, windH/4-10);
+ glVertex2i(windW/2-10, windH/2-10);
+ glVertex2i(windW/4-10, windH/2-10);
+ glEnd();
+
+ glIndexf( 0.0 );
+ glBegin(GL_POLYGON);
+ glVertex2i(windW/4, windH/4);
+ glVertex2i(windW/2, windH/4);
+ glVertex2i(windW/2, windH/2);
+ glVertex2i(windW/4, windH/2);
+ glEnd();
+
+ glIndexf( 1.0 );
+ glBegin(GL_POLYGON);
+ glVertex2i(windW/4+10, windH/4+10);
+ glVertex2i(windW/2+10, windH/4+10);
+ glVertex2i(windW/2+10, windH/2+10);
+ glVertex2i(windW/4+10, windH/2+10);
+ glEnd();
+
+ glutUseLayer(GLUT_NORMAL);
+ overlayInit = GL_TRUE;
+ }
+
+ MoveStars();
+ ShowStars();
+ if (nitro > 0) {
+ speed = (float)(nitro / 10) + 1.0;
+ if (speed > MAXWARP) {
+ speed = MAXWARP;
+ }
+ if (++nitro > MAXWARP*10) {
+ nitro = -nitro;
+ }
+ } else if (nitro < 0) {
+ nitro++;
+ speed = (float)(-nitro / 10) + 1.0;
+ if (speed > MAXWARP) {
+ speed = MAXWARP;
+ }
+ }
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (!glutLayerGet(GLUT_OVERLAY_POSSIBLE))
+ {
+ fprintf(stderr, "Overlay not available\n");
+ return;
+ }
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ windW = 300;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Overlay Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ glutEstablishOverlay();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutIdleFunc(Idle);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/point.c b/progs/samples/point.c
new file mode 100644
index 0000000000..4cb6ad7d51
--- /dev/null
+++ b/progs/samples/point.c
@@ -0,0 +1,234 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_RED COLOR_RED
+#define CI_ANTI_ALIAS_GREEN 16
+#define CI_ANTI_ALIAS_YELLOW 32
+#define CI_ANTI_ALIAS_RED 48
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+#include "tkmap.c"
+
+GLenum mode;
+GLint size;
+float point[3] = {
+ 1.0, 1.0, 0.0
+};
+
+
+static void Init(void)
+{
+ GLint i;
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ZERO);
+
+ if (!rgb) {
+ for (i = 0; i < 16; i++) {
+ glutSetColor(i+CI_ANTI_ALIAS_RED, i/15.0, 0.0, 0.0);
+ glutSetColor(i+CI_ANTI_ALIAS_YELLOW, i/15.0, i/15.0, 0.0);
+ glutSetColor(i+CI_ANTI_ALIAS_GREEN, 0.0, i/15.0, 0.0);
+ }
+ }
+
+ mode = GL_FALSE;
+ size = 1;
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+
+ glViewport(0, 0, width, height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-windW/2, windW/2, -windH/2, windH/2);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ point[0] -= 0.25;
+ break;
+ case GLUT_KEY_RIGHT:
+ point[0] += 0.25;
+ break;
+ case GLUT_KEY_UP:
+ point[1] += 0.25;
+ break;
+ case GLUT_KEY_DOWN:
+ point[1] -= 0.25;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ mode = !mode;
+ break;
+ case 'W':
+ size++;
+ break;
+ case 'w':
+ size--;
+ if (size < 1) {
+ size = 1;
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ SetColor(COLOR_YELLOW);
+ glBegin(GL_LINE_STRIP);
+ glVertex2f(-windW/2, 0);
+ glVertex2f(windW/2, 0);
+ glEnd();
+ glBegin(GL_LINE_STRIP);
+ glVertex2f(0, -windH/2);
+ glVertex2f(0, windH/2);
+ glEnd();
+
+ if (mode) {
+ glEnable(GL_BLEND);
+ glEnable(GL_POINT_SMOOTH);
+ } else {
+ glDisable(GL_BLEND);
+ glDisable(GL_POINT_SMOOTH);
+ }
+
+ glPointSize(size);
+ if (mode) {
+ (rgb) ? glColor3f(1.0, 0.0, 0.0) : glIndexf(CI_ANTI_ALIAS_RED);
+ } else {
+ (rgb) ? glColor3f(1.0, 0.0, 0.0) : glIndexf(CI_RED);
+ }
+ glBegin(GL_POINTS);
+ glVertex3fv(point);
+ glEnd();
+
+ glDisable(GL_POINT_SMOOTH);
+ glDisable(GL_BLEND);
+
+ glPointSize(1);
+ SetColor(COLOR_GREEN);
+ glBegin(GL_POINTS);
+ glVertex3fv(point);
+ glEnd();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ windW = 300;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Point Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/prim.c b/progs/samples/prim.c
new file mode 100644
index 0000000000..388e0153b4
--- /dev/null
+++ b/progs/samples/prim.c
@@ -0,0 +1,546 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define PIXEL_CENTER(x) ((long)(x) + 0.5)
+
+#define GAP 10
+#define ROWS 3
+#define COLS 4
+
+#define OPENGL_WIDTH 48
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+GLenum mode1, mode2;
+GLint boxW, boxH;
+GLubyte OpenGL_bits[] = {
+ 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+ 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01,
+ 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01,
+ 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+ 0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01,
+ 0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00,
+ 0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00,
+ 0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00,
+ 0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00,
+ 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a,
+ 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e,
+ 0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e,
+ 0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00,
+};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+
+ mode1 = GL_TRUE;
+ mode2 = GL_TRUE;
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+}
+
+static void RotateColorMask(void)
+{
+ static GLint rotation = 0;
+
+ rotation = (rotation + 1) & 0x3;
+ switch (rotation) {
+ case 0:
+ glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+ glIndexMask( 0xff );
+ break;
+ case 1:
+ glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE);
+ glIndexMask(0xFE);
+ break;
+ case 2:
+ glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE);
+ glIndexMask(0xFD);
+ break;
+ case 3:
+ glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE);
+ glIndexMask(0xFB);
+ break;
+ }
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case '1':
+ mode1 = !mode1;
+ break;
+ case '2':
+ mode2 = !mode2;
+ break;
+ case '3':
+ RotateColorMask();
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Viewport(GLint row, GLint column)
+{
+ GLint x, y;
+
+ boxW = (windW - (COLS + 1) * GAP) / COLS;
+ boxH = (windH - (ROWS + 1) * GAP) / ROWS;
+
+ x = GAP + column * (boxW + GAP);
+ y = GAP + row * (boxH + GAP);
+
+ glViewport(x, y, boxW, boxH);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+
+ glEnable(GL_SCISSOR_TEST);
+ glScissor(x, y, boxW, boxH);
+}
+
+static void Point(void)
+{
+ GLint i;
+
+ glBegin(GL_POINTS);
+ SetColor(COLOR_WHITE);
+ glVertex2i(0, 0);
+ for (i = 1; i < 8; i++) {
+ GLint j = i * 2;
+ SetColor(COLOR_BLACK+i);
+ glVertex2i(-j, -j);
+ glVertex2i(-j, 0);
+ glVertex2i(-j, j);
+ glVertex2i(0, j);
+ glVertex2i(j, j);
+ glVertex2i(j, 0);
+ glVertex2i(j, -j);
+ glVertex2i(0, -j);
+ }
+ glEnd();
+}
+
+static void Lines(void)
+{
+ GLint i;
+
+ glPushMatrix();
+
+ glTranslatef(-12, 0, 0);
+ for (i = 1; i < 8; i++) {
+ SetColor(COLOR_BLACK+i);
+ glBegin(GL_LINES);
+ glVertex2i(-boxW/4, -boxH/4);
+ glVertex2i(boxW/4, boxH/4);
+ glEnd();
+ glTranslatef(4, 0, 0);
+ }
+
+ glPopMatrix();
+
+ glBegin(GL_LINES);
+ glVertex2i(0, 0);
+ glEnd();
+}
+
+static void LineStrip(void)
+{
+
+ glBegin(GL_LINE_STRIP);
+ SetColor(COLOR_RED);
+ glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
+ SetColor(COLOR_GREEN);
+ glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
+ SetColor(COLOR_BLUE);
+ glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
+ SetColor(COLOR_WHITE);
+ glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
+ glEnd();
+
+ glBegin(GL_LINE_STRIP);
+ glVertex2i(0, 0);
+ glEnd();
+}
+
+static void LineLoop(void)
+{
+
+ glBegin(GL_LINE_LOOP);
+ SetColor(COLOR_RED);
+ glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
+ SetColor(COLOR_GREEN);
+ glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
+ SetColor(COLOR_BLUE);
+ glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
+ SetColor(COLOR_WHITE);
+ glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
+ glEnd();
+
+ glEnable(GL_LOGIC_OP);
+ glLogicOp(GL_XOR);
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE);
+
+ SetColor(COLOR_MAGENTA);
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8));
+ glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8));
+ glEnd();
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5));
+ glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5));
+ glEnd();
+ glDisable(GL_LOGIC_OP);
+ glDisable(GL_BLEND);
+
+ SetColor(COLOR_GREEN);
+ glBegin(GL_POINTS);
+ glVertex2i(0, 0);
+ glEnd();
+
+ glBegin(GL_LINE_LOOP);
+ glVertex2i(0, 0);
+ glEnd();
+}
+
+static void Bitmap(void)
+{
+
+ glBegin(GL_LINES);
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/2, 0);
+ glVertex2i(boxW/2, 0);
+ glVertex2i(0, -boxH/2);
+ glVertex2i(0, boxH/2);
+ SetColor(COLOR_RED);
+ glVertex2i(0, -3);
+ glVertex2i(0, -3+OPENGL_HEIGHT);
+ SetColor(COLOR_BLUE);
+ glVertex2i(0, -3);
+ glVertex2i(OPENGL_WIDTH, -3);
+ glEnd();
+
+ SetColor(COLOR_GREEN);
+
+ glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glRasterPos2i(0, 0);
+ glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits);
+}
+
+static void Triangles(void)
+{
+
+ glBegin(GL_TRIANGLES);
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/4, -boxH/4);
+ SetColor(COLOR_RED);
+ glVertex2i(-boxW/8, -boxH/16);
+ SetColor(COLOR_BLUE);
+ glVertex2i(boxW/8, -boxH/16);
+
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/4, boxH/4);
+ SetColor(COLOR_RED);
+ glVertex2i(-boxW/8, boxH/16);
+ SetColor(COLOR_BLUE);
+ glVertex2i(boxW/8, boxH/16);
+ glEnd();
+
+ glBegin(GL_TRIANGLES);
+ glVertex2i(0, 0);
+ glVertex2i(-100, 100);
+ glEnd();
+}
+
+static void TriangleStrip(void)
+{
+
+ glBegin(GL_TRIANGLE_STRIP);
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/4, -boxH/4);
+ SetColor(COLOR_RED);
+ glVertex2i(-boxW/4, boxH/4);
+ SetColor(COLOR_BLUE);
+ glVertex2i(0, -boxH/4);
+ SetColor(COLOR_WHITE);
+ glVertex2i(0, boxH/4);
+ SetColor(COLOR_CYAN);
+ glVertex2i(boxW/4, -boxH/4);
+ SetColor(COLOR_YELLOW);
+ glVertex2i(boxW/4, boxH/4);
+ glEnd();
+
+ glBegin(GL_TRIANGLE_STRIP);
+ glVertex2i(0, 0);
+ glVertex2i(-100, 100);
+ glEnd();
+}
+
+static void TriangleFan(void)
+{
+ GLint vx[8][2];
+ GLint x0, y0, x1, y1, x2, y2, x3, y3;
+ GLint i;
+
+ y0 = -boxH/4;
+ y1 = y0 + boxH/2/3;
+ y2 = y1 + boxH/2/3;
+ y3 = boxH/4;
+ x0 = -boxW/4;
+ x1 = x0 + boxW/2/3;
+ x2 = x1 + boxW/2/3;
+ x3 = boxW/4;
+
+ vx[0][0] = x0; vx[0][1] = y1;
+ vx[1][0] = x0; vx[1][1] = y2;
+ vx[2][0] = x1; vx[2][1] = y3;
+ vx[3][0] = x2; vx[3][1] = y3;
+ vx[4][0] = x3; vx[4][1] = y2;
+ vx[5][0] = x3; vx[5][1] = y1;
+ vx[6][0] = x2; vx[6][1] = y0;
+ vx[7][0] = x1; vx[7][1] = y0;
+
+ glBegin(GL_TRIANGLE_FAN);
+ SetColor(COLOR_WHITE);
+ glVertex2i(0, 0);
+ for (i = 0; i < 8; i++) {
+ SetColor(COLOR_WHITE-i);
+ glVertex2iv(vx[i]);
+ }
+ glEnd();
+
+ glBegin(GL_TRIANGLE_FAN);
+ glVertex2i(0, 0);
+ glVertex2i(-100, 100);
+ glEnd();
+}
+
+static void Rect(void)
+{
+
+ SetColor(COLOR_GREEN);
+ glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4);
+}
+
+static void PolygonFunc(void)
+{
+ GLint vx[8][2];
+ GLint x0, y0, x1, y1, x2, y2, x3, y3;
+ GLint i;
+
+ y0 = -boxH/4;
+ y1 = y0 + boxH/2/3;
+ y2 = y1 + boxH/2/3;
+ y3 = boxH/4;
+ x0 = -boxW/4;
+ x1 = x0 + boxW/2/3;
+ x2 = x1 + boxW/2/3;
+ x3 = boxW/4;
+
+ vx[0][0] = x0; vx[0][1] = y1;
+ vx[1][0] = x0; vx[1][1] = y2;
+ vx[2][0] = x1; vx[2][1] = y3;
+ vx[3][0] = x2; vx[3][1] = y3;
+ vx[4][0] = x3; vx[4][1] = y2;
+ vx[5][0] = x3; vx[5][1] = y1;
+ vx[6][0] = x2; vx[6][1] = y0;
+ vx[7][0] = x1; vx[7][1] = y0;
+
+ glBegin(GL_POLYGON);
+ for (i = 0; i < 8; i++) {
+ SetColor(COLOR_WHITE-i);
+ glVertex2iv(vx[i]);
+ }
+ glEnd();
+
+ glBegin(GL_POLYGON);
+ glVertex2i(0, 0);
+ glVertex2i(100, 100);
+ glEnd();
+}
+
+static void Quads(void)
+{
+
+ glBegin(GL_QUADS);
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/4, -boxH/4);
+ SetColor(COLOR_RED);
+ glVertex2i(-boxW/8, -boxH/16);
+ SetColor(COLOR_BLUE);
+ glVertex2i(boxW/8, -boxH/16);
+ SetColor(COLOR_WHITE);
+ glVertex2i(boxW/4, -boxH/4);
+
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/4, boxH/4);
+ SetColor(COLOR_RED);
+ glVertex2i(-boxW/8, boxH/16);
+ SetColor(COLOR_BLUE);
+ glVertex2i(boxW/8, boxH/16);
+ SetColor(COLOR_WHITE);
+ glVertex2i(boxW/4, boxH/4);
+ glEnd();
+
+ glBegin(GL_QUADS);
+ glVertex2i(0, 0);
+ glVertex2i(100, 100);
+ glVertex2i(-100, 100);
+ glEnd();
+}
+
+static void QuadStrip(void)
+{
+
+ glBegin(GL_QUAD_STRIP);
+ SetColor(COLOR_GREEN);
+ glVertex2i(-boxW/4, -boxH/4);
+ SetColor(COLOR_RED);
+ glVertex2i(-boxW/4, boxH/4);
+ SetColor(COLOR_BLUE);
+ glVertex2i(0, -boxH/4);
+ SetColor(COLOR_WHITE);
+ glVertex2i(0, boxH/4);
+ SetColor(COLOR_CYAN);
+ glVertex2i(boxW/4, -boxH/4);
+ SetColor(COLOR_YELLOW);
+ glVertex2i(boxW/4, boxH/4);
+ glEnd();
+
+ glBegin(GL_QUAD_STRIP);
+ glVertex2i(0, 0);
+ glVertex2i(100, 100);
+ glVertex2i(-100, 100);
+ glEnd();
+}
+
+static void Draw(void)
+{
+
+ glViewport(0, 0, windW, windH);
+ glDisable(GL_SCISSOR_TEST);
+
+ glPushAttrib(GL_COLOR_BUFFER_BIT);
+
+ glColorMask(1, 1, 1, 1);
+ glIndexMask(~0);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glPopAttrib();
+
+ if (mode1) {
+ glShadeModel(GL_SMOOTH);
+ } else {
+ glShadeModel(GL_FLAT);
+ }
+
+ if (mode2) {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+ } else {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ }
+
+ Viewport(0, 0); Point();
+ Viewport(0, 1); Lines();
+ Viewport(0, 2); LineStrip();
+ Viewport(0, 3); LineLoop();
+
+ Viewport(1, 0); Bitmap();
+
+ Viewport(1, 1); TriangleFan();
+ Viewport(1, 2); Triangles();
+ Viewport(1, 3); TriangleStrip();
+
+ Viewport(2, 0); Rect();
+ Viewport(2, 1); PolygonFunc();
+ Viewport(2, 2); Quads();
+ Viewport(2, 3); QuadStrip();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ windW = 600;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Primitive Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/quad.c b/progs/samples/quad.c
new file mode 100644
index 0000000000..8dec28b6bb
--- /dev/null
+++ b/progs/samples/quad.c
@@ -0,0 +1,455 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+#define PI 3.141592654
+#define BLACK 0
+#define GRAY 128
+#define WHITE 255
+#define RD 0xA4,0x00,0x00,0xFF
+#define WT 0xFF,0xFF,0xFF,0xFF
+#define brickImageWidth 16
+#define brickImageHeight 16
+
+
+#include "loadppm.c"
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+float black[3] = {
+ 0.0, 0.0, 0.0
+};
+float blue[3] = {
+ 0.0, 0.0, 1.0
+};
+float gray[3] = {
+ 0.5, 0.5, 0.5
+};
+float white[3] = {
+ 1.0, 1.0, 1.0
+};
+
+GLenum doDither = GL_TRUE;
+GLenum shade = GL_TRUE;
+GLenum texture = GL_TRUE;
+
+float xRotation = 30.0, yRotation = 30.0, zRotation = 0.0;
+GLint radius1, radius2;
+GLdouble angle1, angle2;
+GLint slices, stacks;
+GLint height;
+GLint orientation = GLU_OUTSIDE;
+GLint whichQuadric=0;
+GLUquadricObj *quadObj;
+
+GLubyte brickImage[4*brickImageWidth*brickImageHeight] = {
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+ WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+ WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+ WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+ RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD
+};
+char *texFileName = 0;
+
+
+static void CALLBACK ErrorHandler(GLenum which)
+{
+
+ fprintf(stderr, "Quad Error: %s\n", gluErrorString(which));
+}
+
+static void Init(void)
+{
+ static GLint colorIndexes[3] = {0, 200, 255};
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+ static float position[] = {90.0, 90.0, 150.0, 0.0};
+ static float front_mat_shininess[] = {30.0};
+ static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+ static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+ static float back_mat_shininess[] = {50.0};
+ static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+ static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+ static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+ static float lmodel_twoside[] = {GL_TRUE};
+ static float decal[] = {GL_DECAL};
+ static float repeat[] = {GL_REPEAT};
+ static float nearest[] = {GL_NEAREST};
+ static PPMImage *image;
+
+ if (!rgb) {
+ SetGreyRamp();
+ }
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glEnable(GL_DEPTH_TEST);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+ glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+ glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+ glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+ if (!rgb) {
+ glMaterialiv( GL_FRONT_AND_BACK, GL_COLOR_INDEXES, colorIndexes);
+ }
+
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+ if (texFileName) {
+ image = LoadPPM(texFileName);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->sizeX, image->sizeY,
+ GL_RGB, GL_UNSIGNED_BYTE, image->data);
+ } else {
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, brickImageWidth, brickImageHeight,
+ 0, GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid *)brickImage);
+ }
+
+ quadObj = gluNewQuadric();
+ gluQuadricCallback(quadObj, GLU_ERROR, ErrorHandler);
+
+ radius1 = 10;
+ radius2 = 5;
+ angle1 = 90;
+ angle2 = 180;
+ slices = 16;
+ stacks = 10;
+ height = 20;
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1, 1, -1, 1, 1, 10);
+ gluLookAt(2, 2, 2, 0, 0, 0, 0, 0, 1);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ yRotation += 5;
+ break;
+ case GLUT_KEY_RIGHT:
+ yRotation -= 5;
+ break;
+ case GLUT_KEY_UP:
+ xRotation += 5;
+ break;
+ case GLUT_KEY_DOWN:
+ xRotation -= 5;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+
+ case 'X':
+ zRotation += 5;
+ break;
+ case 'x':
+ zRotation -= 5;
+ break;
+
+ case '1':
+ gluQuadricDrawStyle(quadObj, GLU_FILL);
+ break;
+ case '2':
+ gluQuadricDrawStyle(quadObj, GLU_POINT);
+ break;
+ case '3':
+ gluQuadricDrawStyle(quadObj, GLU_LINE);
+ break;
+ case '4':
+ gluQuadricDrawStyle(quadObj, GLU_SILHOUETTE);
+ break;
+
+ case '0':
+ shade = !shade;
+ if (shade) {
+ glShadeModel(GL_SMOOTH);
+ gluQuadricNormals(quadObj, GLU_SMOOTH);
+ } else {
+ glShadeModel(GL_FLAT);
+ gluQuadricNormals(quadObj, GLU_FLAT);
+ }
+ break;
+
+ case 'A':
+ stacks++;
+ break;
+ case 'a':
+ stacks--;
+ break;
+
+ case 'S':
+ slices++;
+ break;
+ case 's':
+ slices--;
+ break;
+
+ case 'd':
+ switch(orientation) {
+ case GLU_OUTSIDE:
+ orientation = GLU_INSIDE;
+ break;
+ case GLU_INSIDE:
+ default:
+ orientation = GLU_OUTSIDE;
+ break;
+ }
+ gluQuadricOrientation(quadObj, orientation);
+ break;
+
+ case 'f':
+ whichQuadric = (whichQuadric + 1) % 4;
+ break;
+
+ case 'G':
+ radius1 += 1;
+ break;
+ case 'g':
+ radius1 -= 1;
+ break;
+
+ case 'J':
+ radius2 += 1;
+ break;
+ case 'j':
+ radius2 -= 1;
+ break;
+
+ case 'H':
+ height += 2;
+ break;
+ case 'h':
+ height -= 2;
+ break;
+
+ case 'K':
+ angle1 += 5;
+ break;
+ case 'k':
+ angle1 -= 5;
+ break;
+
+ case 'L':
+ angle2 += 5;
+ break;
+ case 'l':
+ angle2 -= 5;
+ break;
+
+ case 'z':
+ texture = !texture;
+ if (texture) {
+ gluQuadricTexture(quadObj, GL_TRUE);
+ glEnable(GL_TEXTURE_2D);
+ } else {
+ gluQuadricTexture(quadObj, GL_FALSE);
+ glDisable(GL_TEXTURE_2D);
+ }
+ break;
+
+ case 'q':
+ glDisable(GL_CULL_FACE);
+ break;
+ case 'w':
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_FRONT);
+ break;
+ case 'e':
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_BACK);
+ break;
+
+ case 'r':
+ glFrontFace(GL_CW);
+ break;
+ case 't':
+ glFrontFace(GL_CCW);
+ break;
+
+ case 'y':
+ doDither = !doDither;
+ (doDither) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glLoadIdentity();
+ glRotatef(xRotation, 1, 0, 0);
+ glRotatef(yRotation, 0, 1, 0);
+ glRotatef(zRotation, 0, 0, 1);
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+ glColor3f(1.0, 1.0, 1.0);
+ switch (whichQuadric) {
+ case 0:
+ glTranslatef(0, 0, -height/20.0);
+ gluCylinder(quadObj, radius1/10.0, radius2/10.0, height/10.0,
+ slices, stacks);
+ break;
+ case 1:
+ gluSphere(quadObj, radius1/10.0, slices, stacks);
+ break;
+ case 2:
+ gluPartialDisk(quadObj, radius2/10.0, radius1/10.0, slices,
+ stacks, angle1, angle2);
+ break;
+ case 3:
+ gluDisk(quadObj, radius2/10.0, radius1/10.0, slices, stacks);
+ break;
+ }
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-f") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-f (No file name).\n");
+ return GL_FALSE;
+ } else {
+ texFileName = argv[++i];
+ }
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_DEPTH;
+ type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Quad Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/rgbtoppm.c b/progs/samples/rgbtoppm.c
new file mode 100644
index 0000000000..0bc73487b0
--- /dev/null
+++ b/progs/samples/rgbtoppm.c
@@ -0,0 +1,273 @@
+
+/* texture.c - by David Blythe, SGI */
+
+/* texload is a simplistic routine for reading an SGI .rgb image file. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <GL/glut.h>
+
+typedef struct _ImageRec {
+ unsigned short imagic;
+ unsigned short type;
+ unsigned short dim;
+ unsigned short xsize, ysize, zsize;
+ unsigned int min, max;
+ unsigned int wasteBytes;
+ char name[80];
+ unsigned long colorMap;
+ FILE *file;
+ unsigned char *tmp;
+ unsigned long rleEnd;
+ unsigned int *rowStart;
+ int *rowSize;
+} ImageRec;
+
+void
+rgbtorgb(unsigned char *r,unsigned char *g,unsigned char *b,unsigned char *l,int n) {
+ while(n--) {
+ l[0] = r[0];
+ l[1] = g[0];
+ l[2] = b[0];
+ l += 3; r++; g++; b++;
+ }
+}
+
+static void
+ConvertShort(unsigned short *array, unsigned int length) {
+ unsigned short b1, b2;
+ unsigned char *ptr;
+
+ ptr = (unsigned char *)array;
+ while (length--) {
+ b1 = *ptr++;
+ b2 = *ptr++;
+ *array++ = (b1 << 8) | (b2);
+ }
+}
+
+static void
+ConvertUint(unsigned *array, unsigned int length) {
+ unsigned int b1, b2, b3, b4;
+ unsigned char *ptr;
+
+ ptr = (unsigned char *)array;
+ while (length--) {
+ b1 = *ptr++;
+ b2 = *ptr++;
+ b3 = *ptr++;
+ b4 = *ptr++;
+ *array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
+ }
+}
+
+static ImageRec *ImageOpen(char *fileName)
+{
+ union {
+ int testWord;
+ char testByte[4];
+ } endianTest;
+ ImageRec *image;
+ int swapFlag;
+ int x;
+
+ endianTest.testWord = 1;
+ if (endianTest.testByte[0] == 1) {
+ swapFlag = 1;
+ } else {
+ swapFlag = 0;
+ }
+
+ image = (ImageRec *)malloc(sizeof(ImageRec));
+ if (image == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ exit(1);
+ }
+ if ((image->file = fopen(fileName, "rb")) == NULL) {
+ return NULL;
+ }
+
+ fread(image, 1, 12, image->file);
+
+ if (swapFlag) {
+ ConvertShort(&image->imagic, 6);
+ }
+
+ image->tmp = (unsigned char *)malloc(image->xsize*256);
+ if (image->tmp == NULL) {
+ fprintf(stderr, "\nOut of memory!\n");
+ exit(1);
+ }
+
+ if ((image->type & 0xFF00) == 0x0100) {
+ x = image->ysize * image->zsize * (int) sizeof(unsigned);
+ image->rowStart = (unsigned *)malloc(x);
+ image->rowSize = (int *)malloc(x);
+ if (image->rowStart == NULL || image->rowSize == NULL) {
+ fprintf(stderr, "\nOut of memory!\n");
+ exit(1);
+ }
+ image->rleEnd = 512 + (2 * x);
+ fseek(image->file, 512, SEEK_SET);
+ fread(image->rowStart, 1, x, image->file);
+ fread(image->rowSize, 1, x, image->file);
+ if (swapFlag) {
+ ConvertUint(image->rowStart, x/(int) sizeof(unsigned));
+ ConvertUint((unsigned *)image->rowSize, x/(int) sizeof(int));
+ }
+ }
+ return image;
+}
+
+static void
+ImageClose(ImageRec *image) {
+ fclose(image->file);
+ free(image->tmp);
+ free(image);
+}
+
+static void
+ImageGetRow(ImageRec *image, unsigned char *buf, int y, int z) {
+ unsigned char *iPtr, *oPtr, pixel;
+ int count;
+
+ if ((image->type & 0xFF00) == 0x0100) {
+ fseek(image->file, (long) image->rowStart[y+z*image->ysize], SEEK_SET);
+ fread(image->tmp, 1, (unsigned int)image->rowSize[y+z*image->ysize],
+ image->file);
+
+ iPtr = image->tmp;
+ oPtr = buf;
+ for (;;) {
+ pixel = *iPtr++;
+ count = (int)(pixel & 0x7F);
+ if (!count) {
+ return;
+ }
+ if (pixel & 0x80) {
+ while (count--) {
+ *oPtr++ = *iPtr++;
+ }
+ } else {
+ pixel = *iPtr++;
+ while (count--) {
+ *oPtr++ = pixel;
+ }
+ }
+ }
+ } else {
+ fseek(image->file, 512+(y*image->xsize)+(z*image->xsize*image->ysize),
+ SEEK_SET);
+ fread(buf, 1, image->xsize, image->file);
+ }
+}
+
+GLubyte *
+read_alpha_texture(char *name, int *width, int *height)
+{
+ unsigned char *base, *lptr;
+ ImageRec *image;
+ int y;
+
+ image = ImageOpen(name);
+ if(!image) {
+ return NULL;
+ }
+
+ (*width)=image->xsize;
+ (*height)=image->ysize;
+ if (image->zsize != 1) {
+ ImageClose(image);
+ return NULL;
+ }
+
+ base = (unsigned char *)malloc(image->xsize*image->ysize*sizeof(unsigned char));
+ lptr = base;
+ for(y=0; y<image->ysize; y++) {
+ ImageGetRow(image,lptr,y,0);
+ lptr += image->xsize;
+ }
+ ImageClose(image);
+
+ return (unsigned char *) base;
+}
+
+GLubyte *
+read_rgb_texture(char *name, int *width, int *height)
+{
+ unsigned char *base, *ptr;
+ unsigned char *rbuf, *gbuf, *bbuf, *abuf;
+ ImageRec *image;
+ int y;
+
+ image = ImageOpen(name);
+
+ if(!image)
+ return NULL;
+ (*width)=image->xsize;
+ (*height)=image->ysize;
+ if (image->zsize != 3 && image->zsize != 4) {
+ ImageClose(image);
+ return NULL;
+ }
+
+ base = (unsigned char*)malloc(image->xsize*image->ysize*sizeof(unsigned int)*3);
+ rbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+ gbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+ bbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+ abuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+ if(!base || !rbuf || !gbuf || !bbuf || !abuf) {
+ if (base) free(base);
+ if (rbuf) free(rbuf);
+ if (gbuf) free(gbuf);
+ if (bbuf) free(bbuf);
+ if (abuf) free(abuf);
+ return NULL;
+ }
+ ptr = base;
+ for(y=0; y<image->ysize; y++) {
+ if(image->zsize == 4) {
+ ImageGetRow(image,rbuf,y,0);
+ ImageGetRow(image,gbuf,y,1);
+ ImageGetRow(image,bbuf,y,2);
+ ImageGetRow(image,abuf,y,3); /* Discard. */
+ rgbtorgb(rbuf,gbuf,bbuf,ptr,image->xsize);
+ ptr += (image->xsize * 3);
+ } else {
+ ImageGetRow(image,rbuf,y,0);
+ ImageGetRow(image,gbuf,y,1);
+ ImageGetRow(image,bbuf,y,2);
+ rgbtorgb(rbuf,gbuf,bbuf,ptr,image->xsize);
+ ptr += (image->xsize * 3);
+ }
+ }
+ ImageClose(image);
+ free(rbuf);
+ free(gbuf);
+ free(bbuf);
+ free(abuf);
+
+ return (GLubyte *) base;
+}
+
+int main(int argc, char **argv)
+{
+ int width, height;
+ GLubyte *data;
+
+ if (argc != 2)
+ {
+ fprintf(stderr, "usage: %s <filename>\n", argv[0]);
+ return 1;
+ }
+
+ data = read_rgb_texture(argv[1], &width, &height);
+
+ printf("P6\n%d %d\n255\n", width, height);
+ fwrite(data, width * 3, height, stdout);
+
+ return 0;
+}
+
diff --git a/progs/samples/select.c b/progs/samples/select.c
new file mode 100644
index 0000000000..5a73a457ab
--- /dev/null
+++ b/progs/samples/select.c
@@ -0,0 +1,456 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <time.h>
+#include <GL/glut.h>
+
+
+#define MAXOBJS 10000
+#define MAXSELECT 100
+#define MAXFEED 300
+#define SOLID 1
+#define LINE 2
+#define POINT 3
+
+
+GLint windW, windH;
+
+GLuint selectBuf[MAXSELECT];
+GLfloat feedBuf[MAXFEED];
+GLint vp[4];
+float zRotation = 90.0;
+float zoom = 1.0;
+GLint objectCount;
+GLint numObjects;
+struct object {
+ float v1[2];
+ float v2[2];
+ float v3[2];
+ float color[3];
+} objects[MAXOBJS];
+GLenum linePoly = GL_FALSE;
+
+
+static void InitObjects(GLint num)
+{
+ GLint i;
+ float x, y;
+
+ if (num > MAXOBJS) {
+ num = MAXOBJS;
+ }
+ if (num < 1) {
+ num = 1;
+ }
+ objectCount = num;
+
+ srand((unsigned int)time(NULL));
+ for (i = 0; i < num; i++) {
+ x = (rand() % 300) - 150;
+ y = (rand() % 300) - 150;
+
+ objects[i].v1[0] = x + (rand() % 50) - 25;
+ objects[i].v2[0] = x + (rand() % 50) - 25;
+ objects[i].v3[0] = x + (rand() % 50) - 25;
+ objects[i].v1[1] = y + (rand() % 50) - 25;
+ objects[i].v2[1] = y + (rand() % 50) - 25;
+ objects[i].v3[1] = y + (rand() % 50) - 25;
+ objects[i].color[0] = ((rand() % 100) + 50) / 150.0;
+ objects[i].color[1] = ((rand() % 100) + 50) / 150.0;
+ objects[i].color[2] = ((rand() % 100) + 50) / 150.0;
+ }
+}
+
+static void Init(void)
+{
+
+ numObjects = 10;
+ InitObjects(numObjects);
+ glGetIntegerv(GL_VIEWPORT, vp);
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+}
+
+static void Render(GLenum mode)
+{
+ GLint i;
+
+ for (i = 0; i < objectCount; i++) {
+ if (mode == GL_SELECT) {
+ glLoadName(i);
+ }
+ glColor3fv(objects[i].color);
+ glBegin(GL_POLYGON);
+ glVertex2fv(objects[i].v1);
+ glVertex2fv(objects[i].v2);
+ glVertex2fv(objects[i].v3);
+ glEnd();
+ }
+}
+
+static GLint DoSelect(GLint x, GLint y)
+{
+ GLint hits;
+
+ glSelectBuffer(MAXSELECT, selectBuf);
+ (void)glRenderMode(GL_SELECT);
+ glInitNames();
+ glPushName(~0);
+
+ glPushMatrix();
+
+ glViewport(0, 0, windW, windH);
+ glGetIntegerv(GL_VIEWPORT, vp);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPickMatrix(x, windH-y, 4, 4, vp);
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(zRotation, 0, 0, 1);
+
+ Render(GL_SELECT);
+
+ glPopMatrix();
+
+ hits = glRenderMode(GL_RENDER);
+ if (hits <= 0) {
+ return -1;
+ }
+
+ return selectBuf[(hits-1)*4+3];
+}
+
+static void RecolorTri(GLint h)
+{
+
+ objects[h].color[0] = ((rand() % 100) + 50) / 150.0;
+ objects[h].color[1] = ((rand() % 100) + 50) / 150.0;
+ objects[h].color[2] = ((rand() % 100) + 50) / 150.0;
+}
+
+static void DeleteTri(GLint h)
+{
+
+ objects[h] = objects[objectCount-1];
+ objectCount--;
+}
+
+static void GrowTri(GLint h)
+{
+ float v[2];
+ float *oldV;
+ GLint i;
+
+ v[0] = objects[h].v1[0] + objects[h].v2[0] + objects[h].v3[0];
+ v[1] = objects[h].v1[1] + objects[h].v2[1] + objects[h].v3[1];
+ v[0] /= 3;
+ v[1] /= 3;
+
+ for (i = 0; i < 3; i++) {
+ switch (i) {
+ case 0:
+ oldV = objects[h].v1;
+ break;
+ case 1:
+ oldV = objects[h].v2;
+ break;
+ case 2:
+ oldV = objects[h].v3;
+ break;
+ }
+ oldV[0] = 1.5 * (oldV[0] - v[0]) + v[0];
+ oldV[1] = 1.5 * (oldV[1] - v[1]) + v[1];
+ }
+}
+
+static void Mouse(int button, int state, int mouseX, int mouseY)
+{
+ GLint hit;
+
+ if (state != GLUT_DOWN)
+ return;
+
+ hit = DoSelect((GLint)mouseX, (GLint)mouseY);
+ if (hit != -1) {
+ if (button == GLUT_LEFT_BUTTON) {
+ RecolorTri(hit);
+ }
+ if (button == GLUT_MIDDLE_BUTTON) {
+ GrowTri(hit);
+ }
+ if (button == GLUT_RIGHT_BUTTON) {
+ DeleteTri(hit);
+ }
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glPushMatrix();
+
+ glViewport(0, 0, windW, windH);
+ glGetIntegerv(GL_VIEWPORT, vp);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(zRotation, 0, 0, 1);
+
+ Render(GL_RENDER);
+
+ glPopMatrix();
+
+ glFlush();
+}
+
+static void DrawZoom(GLint x, GLint y)
+{
+
+ glPushMatrix();
+
+ glViewport(0, 0, windW, windH);
+ glGetIntegerv(GL_VIEWPORT, vp);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPickMatrix(x, windH-y, 4, 4, vp);
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(zRotation, 0, 0, 1);
+
+ Render(GL_RENDER);
+
+ glPopMatrix();
+}
+
+static void DumpFeedbackVert(GLint *i, GLint n)
+{
+ GLint index;
+
+ index = *i;
+ if (index+7 > n) {
+ *i = n;
+ printf(" ???\n");
+ return;
+ }
+ printf(" (%g %g %g), color = (%4.2f %4.2f %4.2f)\n",
+ feedBuf[index],
+ feedBuf[index+1],
+ feedBuf[index+2],
+ feedBuf[index+3],
+ feedBuf[index+4],
+ feedBuf[index+5]);
+ index += 7;
+ *i = index;
+}
+
+static void DrawFeedback(GLint n)
+{
+ GLint i;
+ GLint verts;
+
+ printf("Feedback results (%d floats):\n", n);
+ for (i = 0; i < n; i++) {
+ switch ((GLint)feedBuf[i]) {
+ case GL_POLYGON_TOKEN:
+ printf("Polygon");
+ i++;
+ if (i < n) {
+ verts = (GLint)feedBuf[i];
+ i++;
+ printf(": %d vertices", verts);
+ } else {
+ verts = 0;
+ }
+ printf("\n");
+ while (verts) {
+ DumpFeedbackVert(&i, n);
+ verts--;
+ }
+ i--;
+ break;
+ case GL_LINE_TOKEN:
+ printf("Line:\n");
+ i++;
+ DumpFeedbackVert(&i, n);
+ DumpFeedbackVert(&i, n);
+ i--;
+ break;
+ case GL_LINE_RESET_TOKEN:
+ printf("Line Reset:\n");
+ i++;
+ DumpFeedbackVert(&i, n);
+ DumpFeedbackVert(&i, n);
+ i--;
+ break;
+ default:
+ printf("%9.2f\n", feedBuf[i]);
+ break;
+ }
+ }
+ if (i == MAXFEED) {
+ printf("...\n");
+ }
+ printf("\n");
+}
+
+static void DoFeedback(void)
+{
+ GLint x;
+
+ glFeedbackBuffer(MAXFEED, GL_3D_COLOR, feedBuf);
+ (void)glRenderMode(GL_FEEDBACK);
+
+ glPushMatrix();
+
+ glViewport(0, 0, windW, windH);
+ glGetIntegerv(GL_VIEWPORT, vp);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(zRotation, 0, 0, 1);
+
+ Render(GL_FEEDBACK);
+
+ glPopMatrix();
+
+ x = glRenderMode(GL_RENDER);
+ if (x == -1) {
+ x = MAXFEED;
+ }
+
+ DrawFeedback((GLint)x);
+}
+
+static void Key2(int key, int x, int y)
+{
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ zRotation += 0.5;
+ break;
+ case GLUT_KEY_RIGHT:
+ zRotation -= 0.5;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'Z':
+ zoom /= 0.75;
+ break;
+ case 'z':
+ zoom *= 0.75;
+ break;
+ case 'f':
+ DoFeedback();
+ break;
+ case 'd':
+ DrawZoom(x, y);
+ break;
+ case 'l':
+ linePoly = !linePoly;
+ if (linePoly) {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ } else {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ windW = 300;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+ type = GLUT_RGB | GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Select Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutMouseFunc(Mouse);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/shape.c b/progs/samples/shape.c
new file mode 100644
index 0000000000..d342ee5b07
--- /dev/null
+++ b/progs/samples/shape.c
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define OPENGL_WIDTH 24
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint objectIndex = 0;
+GLuint bases[20];
+float angleX = 0.0, angleY = 0.0, angleZ = 0.0;
+float scaleX = 1.0, scaleY = 1.0, scaleZ = 1.0;
+float shiftX = 0.0, shiftY = 0.0, shiftZ = 0.0;
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+
+ bases[0] = glGenLists(1);
+ glNewList(bases[0], GL_COMPILE);
+ glutWireSphere(1.0, 20, 10);
+ glEndList();
+
+ bases[1] = glGenLists(1);
+ glNewList(bases[1], GL_COMPILE);
+ glutSolidSphere(1.0, 20, 10);
+ glEndList();
+
+ bases[2] = glGenLists(1);
+ glNewList(bases[2], GL_COMPILE);
+ glutWireCube(1.0);
+ glEndList();
+
+ bases[3] = glGenLists(1);
+ glNewList(bases[3], GL_COMPILE);
+ glutSolidCube(1.0);
+ glEndList();
+
+ bases[4] = glGenLists(1);
+ glNewList(bases[4], GL_COMPILE);
+ glutWireTorus(1.0, 1.0, 10, 20);
+ glEndList();
+
+ bases[5] = glGenLists(1);
+ glNewList(bases[5], GL_COMPILE);
+ glutSolidTorus(1.0, 1.0, 10, 20);
+ glEndList();
+
+ bases[6] = glGenLists(1);
+ glNewList(bases[6], GL_COMPILE);
+ glutWireIcosahedron();
+ glEndList();
+
+ bases[7] = glGenLists(1);
+ glNewList(bases[7], GL_COMPILE);
+ glutSolidIcosahedron();
+ glEndList();
+
+ bases[8] = glGenLists(1);
+ glNewList(bases[8], GL_COMPILE);
+ glutWireOctahedron();
+ glEndList();
+
+ bases[9] = glGenLists(1);
+ glNewList(bases[9], GL_COMPILE);
+ glutSolidOctahedron();
+ glEndList();
+
+ bases[10] = glGenLists(1);
+ glNewList(bases[10], GL_COMPILE);
+ glutWireTetrahedron();
+ glEndList();
+
+ bases[11] = glGenLists(1);
+ glNewList(bases[11], GL_COMPILE);
+ glutSolidTetrahedron();
+ glEndList();
+
+ bases[12] = glGenLists(1);
+ glNewList(bases[12], GL_COMPILE);
+ glutWireDodecahedron();
+ glEndList();
+
+ bases[13] = glGenLists(1);
+ glNewList(bases[13], GL_COMPILE);
+ glutSolidDodecahedron();
+ glEndList();
+
+ bases[14] = glGenLists(1);
+ glNewList(bases[14], GL_COMPILE);
+ glutWireCone(5.0, 5.0, 20, 10);
+ glEndList();
+
+ bases[15] = glGenLists(1);
+ glNewList(bases[15], GL_COMPILE);
+ glutSolidCone(5.0, 5.0, 20, 10);
+ glEndList();
+
+ bases[16] = glGenLists(1);
+ glNewList(bases[16], GL_COMPILE);
+ glutWireTeapot(1.0);
+ glEndList();
+
+ bases[17] = glGenLists(1);
+ glNewList(bases[17], GL_COMPILE);
+ glutSolidTeapot(1.0);
+ glEndList();
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-400.0, 400.0, -200.0, 200.0, -400.0, 400.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ shiftX -= 20.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ shiftX += 20.0;
+ break;
+ case GLUT_KEY_UP:
+ shiftY += 20.0;
+ break;
+ case GLUT_KEY_DOWN:
+ shiftY -= 20.0;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+
+ case 32:
+ objectIndex++;
+ if (objectIndex > 17) {
+ objectIndex = 0;
+ }
+ break;
+
+ case 'n':
+ shiftZ += 20.0;
+ break;
+ case 'm':
+ shiftZ -= 20.0;
+ break;
+
+ case 'q':
+ scaleX -= 0.1;
+ if (scaleX < 0.1) {
+ scaleX = 0.1;
+ }
+ break;
+ case 'w':
+ scaleX += 0.1;
+ break;
+ case 'a':
+ scaleY -= 0.1;
+ if (scaleY < 0.1) {
+ scaleY = 0.1;
+ }
+ break;
+ case 's':
+ scaleY += 0.1;
+ break;
+ case 'z':
+ scaleZ -= 0.1;
+ if (scaleZ < 0.1) {
+ scaleZ = 0.1;
+ }
+ break;
+ case 'x':
+ scaleZ += 0.1;
+ break;
+
+ case 'e':
+ angleX -= 5.0;
+ if (angleX < 0.0) {
+ angleX = 360.0 + angleX;
+ }
+ break;
+ case 'r':
+ angleX += 5.0;
+ if (angleX > 360.0) {
+ angleX = angleX - 360.0;
+ }
+ break;
+ case 'd':
+ angleY -= 5.0;
+ if (angleY < 0.0) {
+ angleY = 360.0 + angleY;
+ }
+ break;
+ case 'f':
+ angleY += 5.0;
+ if (angleY > 360.0) {
+ angleY = angleY - 360.0;
+ }
+ break;
+ case 'c':
+ angleZ -= 5.0;
+ if (angleZ < 0.0) {
+ angleZ = 360.0 + angleZ;
+ }
+ break;
+ case 'v':
+ angleZ += 5.0;
+ if (angleZ > 360.0) {
+ angleZ = angleZ - 360.0;
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ SetColor(COLOR_WHITE);
+
+ glPushMatrix();
+
+ glTranslatef(shiftX, shiftY, shiftZ);
+ glRotatef(angleX, 1.0, 0.0, 0.0);
+ glRotatef(angleY, 0.0, 1.0, 0.0);
+ glRotatef(angleZ, 0.0, 0.0, 1.0);
+ glScalef(scaleX, scaleY, scaleZ);
+
+ glCallList(bases[objectIndex]);
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 400);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Font Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/sphere.c b/progs/samples/sphere.c
new file mode 100644
index 0000000000..154e85cbec
--- /dev/null
+++ b/progs/samples/sphere.c
@@ -0,0 +1,1034 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/* BEP: renamed "nearest" as "nnearest" to avoid math.h collision on AIX */
+
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define FALSE 0
+#define TRUE 1
+#ifndef PI
+#define PI 3.14159265358979323846
+#endif
+
+
+#include "loadppm.c"
+
+int rgb; /* unused */
+
+#include "tkmap.c"
+
+GLenum doubleBuffer;
+int W = 400, H = 400;
+
+char *imageFileName = 0;
+PPMImage *image;
+
+int numComponents;
+
+float *minFilter, *magFilter, *sWrapMode, *tWrapMode;
+float decal[] = {GL_DECAL};
+float modulate[] = {GL_MODULATE};
+float repeat[] = {GL_REPEAT};
+float clamp[] = {GL_CLAMP};
+float nnearest[] = {GL_NEAREST};
+float linear[] = {GL_LINEAR};
+float nearest_mipmap_nearest[] = {GL_NEAREST_MIPMAP_NEAREST};
+float nearest_mipmap_linear[] = {GL_NEAREST_MIPMAP_LINEAR};
+float linear_mipmap_nearest[] = {GL_LINEAR_MIPMAP_NEAREST};
+float linear_mipmap_linear[] = {GL_LINEAR_MIPMAP_LINEAR};
+GLint sphereMap[] = {GL_SPHERE_MAP};
+
+float xRotation = 0.0, yRotation = 0.0;
+float zTranslate = -4.0;
+GLenum autoRotate = TRUE;
+GLenum deepestColor = COLOR_GREEN;
+GLenum isLit = TRUE;
+GLenum isFogged = FALSE;
+float *textureEnvironment = modulate;
+
+struct MipMap {
+ int width, height;
+ unsigned char *data;
+};
+
+int cube, cage, cylinder, torus, genericObject;
+
+float c[6][4][4][3] = {
+ {
+ {
+ {
+ 1.0, 1.0, -1.0
+ },
+ {
+ 0.0, 1.0, -1.0
+ },
+ {
+ 0.0, 0.0, -1.0
+ },
+ {
+ 1.0, 0.0, -1.0
+ },
+ },
+ {
+ {
+ 0.0, 1.0, -1.0
+ },
+ {
+ -1.0, 1.0, -1.0
+ },
+ {
+ -1.0, 0.0, -1.0
+ },
+ {
+ 0.0, 0.0, -1.0
+ },
+ },
+ {
+ {
+ 0.0, 0.0, -1.0
+ },
+ {
+ -1.0, 0.0, -1.0
+ },
+ {
+ -1.0, -1.0, -1.0
+ },
+ {
+ 0.0, -1.0, -1.0
+ },
+ },
+ {
+ {
+ 1.0, 0.0, -1.0
+ },
+ {
+ 0.0, 0.0, -1.0
+ },
+ {
+ 0.0, -1.0, -1.0
+ },
+ {
+ 1.0, -1.0, -1.0
+ },
+ },
+ },
+ {
+ {
+ {
+ 1.0, 1.0, 1.0
+ },
+ {
+ 1.0, 1.0, 0.0
+ },
+ {
+ 1.0, 0.0, 0.0
+ },
+ {
+ 1.0, 0.0, 1.0
+ },
+ },
+ {
+ {
+ 1.0, 1.0, 0.0
+ },
+ {
+ 1.0, 1.0, -1.0
+ },
+ {
+ 1.0, 0.0, -1.0
+ },
+ {
+ 1.0, 0.0, 0.0
+ },
+ },
+ {
+ {
+ 1.0, 0.0, -1.0
+ },
+ {
+ 1.0, -1.0, -1.0
+ },
+ {
+ 1.0, -1.0, 0.0
+ },
+ {
+ 1.0, 0.0, 0.0
+ },
+ },
+ {
+ {
+ 1.0, 0.0, 0.0
+ },
+ {
+ 1.0, -1.0, 0.0
+ },
+ {
+ 1.0, -1.0, 1.0
+ },
+ {
+ 1.0, 0.0, 1.0
+ },
+ },
+ },
+ {
+ {
+ {
+ -1.0, 1.0, 1.0
+ },
+ {
+ 0.0, 1.0, 1.0
+ },
+ {
+ 0.0, 0.0, 1.0
+ },
+ {
+ -1.0, 0.0, 1.0
+ },
+ },
+ {
+ {
+ 0.0, 1.0, 1.0
+ },
+ {
+ 1.0, 1.0, 1.0
+ },
+ {
+ 1.0, 0.0, 1.0
+ },
+ {
+ 0.0, 0.0, 1.0
+ },
+ },
+ {
+ {
+ 1.0, 0.0, 1.0
+ },
+ {
+ 1.0, -1.0, 1.0
+ },
+ {
+ 0.0, -1.0, 1.0
+ },
+ {
+ 0.0, 0.0, 1.0
+ },
+ },
+ {
+ {
+ 0.0, -1.0, 1.0
+ },
+ {
+ -1.0, -1.0, 1.0
+ },
+ {
+ -1.0, 0.0, 1.0
+ },
+ {
+ 0.0, 0.0, 1.0
+ },
+ },
+ },
+ {
+ {
+ {
+ -1.0, 1.0, -1.0
+ },
+ {
+ -1.0, 1.0, 0.0
+ },
+ {
+ -1.0, 0.0, 0.0
+ },
+ {
+ -1.0, 0.0, -1.0
+ },
+ },
+ {
+ {
+ -1.0, 1.0, 0.0
+ },
+ {
+ -1.0, 1.0, 1.0
+ },
+ {
+ -1.0, 0.0, 1.0
+ },
+ {
+ -1.0, 0.0, 0.0
+ },
+ },
+ {
+ {
+ -1.0, 0.0, 1.0
+ },
+ {
+ -1.0, -1.0, 1.0
+ },
+ {
+ -1.0, -1.0, 0.0
+ },
+ {
+ -1.0, 0.0, 0.0
+ },
+ },
+ {
+ {
+ -1.0, -1.0, 0.0
+ },
+ {
+ -1.0, -1.0, -1.0
+ },
+ {
+ -1.0, 0.0, -1.0
+ },
+ {
+ -1.0, 0.0, 0.0
+ },
+ },
+ },
+ {
+ {
+ {
+ -1.0, 1.0, 1.0
+ },
+ {
+ -1.0, 1.0, 0.0
+ },
+ {
+ 0.0, 1.0, 0.0
+ },
+ {
+ 0.0, 1.0, 1.0
+ },
+ },
+ {
+ {
+ -1.0, 1.0, 0.0
+ },
+ {
+ -1.0, 1.0, -1.0
+ },
+ {
+ 0.0, 1.0, -1.0
+ },
+ {
+ 0.0, 1.0, 0.0
+ },
+ },
+ {
+ {
+ 0.0, 1.0, -1.0
+ },
+ {
+ 1.0, 1.0, -1.0
+ },
+ {
+ 1.0, 1.0, 0.0
+ },
+ {
+ 0.0, 1.0, 0.0
+ },
+ },
+ {
+ {
+ 1.0, 1.0, 0.0
+ },
+ {
+ 1.0, 1.0, 1.0
+ },
+ {
+ 0.0, 1.0, 1.0
+ },
+ {
+ 0.0, 1.0, 0.0
+ },
+ },
+ },
+ {
+ {
+ {
+ -1.0, -1.0, -1.0
+ },
+ {
+ -1.0, -1.0, 0.0
+ },
+ {
+ 0.0, -1.0, 0.0
+ },
+ {
+ 0.0, -1.0, -1.0
+ },
+ },
+ {
+ {
+ -1.0, -1.0, 0.0
+ },
+ {
+ -1.0, -1.0, 1.0
+ },
+ {
+ 0.0, -1.0, 1.0
+ },
+ {
+ 0.0, -1.0, 0.0
+ },
+ },
+ {
+ {
+ 0.0, -1.0, 1.0
+ },
+ {
+ 1.0, -1.0, 1.0
+ },
+ {
+ 1.0, -1.0, 0.0
+ },
+ {
+ 0.0, -1.0, 0.0
+ },
+ },
+ {
+ {
+ 1.0, -1.0, 0.0
+ },
+ {
+ 1.0, -1.0, -1.0
+ },
+ {
+ 0.0, -1.0, -1.0
+ },
+ {
+ 0.0, -1.0, 0.0
+ },
+ },
+ }
+};
+
+float n[6][3] = {
+ {
+ 0.0, 0.0, -1.0
+ },
+ {
+ 1.0, 0.0, 0.0
+ },
+ {
+ 0.0, 0.0, 1.0
+ },
+ {
+ -1.0, 0.0, 0.0
+ },
+ {
+ 0.0, 1.0, 0.0
+ },
+ {
+ 0.0, -1.0, 0.0
+ }
+};
+
+GLfloat identity[16] = {
+ 1, 0, 0, 0,
+ 0, 1, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+};
+
+
+void BuildCylinder(int numEdges)
+{
+ int i, top = 1.0, bottom = -1.0;
+ float x[100], y[100], angle;
+
+ for (i = 0; i <= numEdges; i++) {
+ angle = i * 2.0 * PI / numEdges;
+ x[i] = cos(angle); /* was cosf() */
+ y[i] = sin(angle); /* was sinf() */
+ }
+
+ glNewList(cylinder, GL_COMPILE);
+ glBegin(GL_TRIANGLE_STRIP);
+ for (i = 0; i <= numEdges; i++) {
+ glNormal3f(x[i], y[i], 0.0);
+ glVertex3f(x[i], y[i], bottom);
+ glVertex3f(x[i], y[i], top);
+ }
+ glEnd();
+ glBegin(GL_TRIANGLE_FAN);
+ glNormal3f(0.0, 0.0, 1.0);
+ glVertex3f(0.0, 0.0, top);
+ for (i = 0; i <= numEdges; i++) {
+ glVertex3f(x[i], -y[i], top);
+ }
+ glEnd();
+ glBegin(GL_TRIANGLE_FAN);
+ glNormal3f(0.0, 0.0, -1.0);
+ glVertex3f(0.0, 0.0, bottom);
+ for (i = 0; i <= numEdges; i++) {
+ glVertex3f(x[i], y[i], bottom);
+ }
+ glEnd();
+ glEndList();
+}
+
+void BuildTorus(float rc, int numc, float rt, int numt)
+{
+ int i, j, k;
+ double s, t;
+ double x, y, z;
+ double pi, twopi;
+
+ pi = 3.14159265358979323846;
+ twopi = 2.0 * pi;
+
+ glNewList(torus, GL_COMPILE);
+ for (i = 0; i < numc; i++) {
+ glBegin(GL_QUAD_STRIP);
+ for (j = 0; j <= numt; j++) {
+ for (k = 0; k <= 1; k++) {
+ s = (i + k) % numc + 0.5;
+ t = j % numt;
+
+ x = cos(t*twopi/numt) * cos(s*twopi/numc);
+ y = sin(t*twopi/numt) * cos(s*twopi/numc);
+ z = sin(s*twopi/numc);
+ glNormal3f(x, y, z);
+
+ x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt);
+ y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt);
+ z = rc * sin(s*twopi/numc);
+ glVertex3f(x, y, z);
+ }
+ }
+ glEnd();
+ }
+ glEndList();
+}
+
+void BuildCage(void)
+{
+ int i;
+ float inc;
+ float right, left, top, bottom, front, back;
+
+ front = 0.0;
+ back = -8.0;
+
+ left = -4.0;
+ bottom = -4.0;
+ right = 4.0;
+ top = 4.0;
+
+ inc = 2.0 * 4.0 * 0.1;
+
+ glNewList(cage, GL_COMPILE);
+ for (i = 0; i < 10; i++) {
+
+ /*
+ ** Back
+ */
+ glBegin(GL_LINES);
+ glVertex3f(left+i*inc, top, back);
+ glVertex3f(left+i*inc, bottom, back);
+ glEnd();
+ glBegin(GL_LINES);
+ glVertex3f(right, bottom+i*inc, back);
+ glVertex3f(left, bottom+i*inc, back);
+ glEnd();
+
+ /*
+ ** Front
+ */
+ glBegin(GL_LINES);
+ glVertex3f(left+i*inc, top, front);
+ glVertex3f(left+i*inc, bottom, front);
+ glEnd();
+ glBegin(GL_LINES);
+ glVertex3f(right, bottom+i*inc, front);
+ glVertex3f(left, bottom+i*inc, front);
+ glEnd();
+
+ /*
+ ** Left
+ */
+ glBegin(GL_LINES);
+ glVertex3f(left, bottom+i*inc, front);
+ glVertex3f(left, bottom+i*inc, back);
+ glEnd();
+ glBegin(GL_LINES);
+ glVertex3f(left, top, back+i*inc);
+ glVertex3f(left, bottom, back+i*inc);
+ glEnd();
+
+ /*
+ ** Right
+ */
+ glBegin(GL_LINES);
+ glVertex3f(right, top-i*inc, front);
+ glVertex3f(right, top-i*inc, back);
+ glEnd();
+ glBegin(GL_LINES);
+ glVertex3f(right, top, back+i*inc);
+ glVertex3f(right, bottom, back+i*inc);
+ glEnd();
+
+ /*
+ ** Top
+ */
+ glBegin(GL_LINES);
+ glVertex3f(left+i*inc, top, front);
+ glVertex3f(left+i*inc, top, back);
+ glEnd();
+ glBegin(GL_LINES);
+ glVertex3f(right, top, back+i*inc);
+ glVertex3f(left, top, back+i*inc);
+ glEnd();
+
+ /*
+ ** Bottom
+ */
+ glBegin(GL_LINES);
+ glVertex3f(right-i*inc, bottom, front);
+ glVertex3f(right-i*inc, bottom, back);
+ glEnd();
+ glBegin(GL_LINES);
+ glVertex3f(right, bottom, back+i*inc);
+ glVertex3f(left, bottom, back+i*inc);
+ glEnd();
+ }
+ glEndList();
+}
+
+void BuildCube(void)
+{
+ int i, j;
+
+ glNewList(cube, GL_COMPILE);
+ for (i = 0; i < 6; i++) {
+ for (j = 0; j < 4; j++) {
+ glNormal3fv(n[i]);
+ glBegin(GL_POLYGON);
+ glVertex3fv(c[i][j][0]);
+ glVertex3fv(c[i][j][1]);
+ glVertex3fv(c[i][j][2]);
+ glVertex3fv(c[i][j][3]);
+ glEnd();
+ }
+ }
+ glEndList();
+}
+
+void BuildLists(void)
+{
+
+ cube = glGenLists(1);
+ BuildCube();
+
+ cage = glGenLists(2);
+ BuildCage();
+
+ cylinder = glGenLists(3);
+ BuildCylinder(60);
+
+ torus = glGenLists(4);
+ BuildTorus(0.65, 20, .85, 65);
+
+ genericObject = torus;
+}
+
+void SetDeepestColor(void)
+{
+ GLint redBits, greenBits, blueBits;
+
+ glGetIntegerv(GL_RED_BITS, &redBits);
+ glGetIntegerv(GL_GREEN_BITS, &greenBits);
+ glGetIntegerv(GL_BLUE_BITS, &blueBits);
+
+ deepestColor = (redBits >= greenBits) ? COLOR_RED : COLOR_GREEN;
+ deepestColor = (deepestColor >= blueBits) ? deepestColor : COLOR_BLUE;
+}
+
+void SetDefaultSettings(void)
+{
+
+ magFilter = nnearest;
+ minFilter = nnearest;
+ sWrapMode = repeat;
+ tWrapMode = repeat;
+ textureEnvironment = modulate;
+ autoRotate = TRUE;
+}
+
+unsigned char *AlphaPadImage(int bufSize, unsigned char *inData, int alpha)
+{
+ unsigned char *outData, *out_ptr, *in_ptr;
+ int i;
+
+ outData = (unsigned char *) malloc(bufSize * 4);
+ out_ptr = outData;
+ in_ptr = inData;
+
+ for (i = 0; i < bufSize; i++) {
+ *out_ptr++ = *in_ptr++;
+ *out_ptr++ = *in_ptr++;
+ *out_ptr++ = *in_ptr++;
+ *out_ptr++ = alpha;
+ }
+
+ free (inData);
+ return outData;
+}
+
+void Init(void)
+{
+ float ambient[] = {0.0, 0.0, 0.0, 1.0};
+ float diffuse[] = {0.0, 1.0, 0.0, 1.0};
+ float specular[] = {1.0, 1.0, 1.0, 1.0};
+ float position[] = {2.0, 2.0, 0.0, 1.0};
+ float fog_color[] = {0.0, 0.0, 0.0, 1.0};
+ float mat_ambient[] = {0.0, 0.0, 0.0, 1.0};
+ float mat_shininess[] = {90.0};
+ float mat_specular[] = {1.0, 1.0, 1.0, 1.0};
+ float mat_diffuse[] = {1.0, 1.0, 1.0, 1.0};
+ float lmodel_ambient[] = {0.0, 0.0, 0.0, 1.0};
+ float lmodel_twoside[] = {GL_TRUE};
+
+ SetDeepestColor();
+ SetDefaultSettings();
+
+ if (numComponents == 4) {
+ image = LoadPPM(imageFileName);
+ image->data = AlphaPadImage(image->sizeX*image->sizeY,
+ image->data, 128);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ gluBuild2DMipmaps(GL_TEXTURE_2D, numComponents,
+ image->sizeX, image->sizeY,
+ GL_RGBA, GL_UNSIGNED_BYTE, image->data);
+ } else {
+ image = LoadPPM(imageFileName);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ gluBuild2DMipmaps(GL_TEXTURE_2D, numComponents,
+ image->sizeX, image->sizeY,
+ GL_RGB, GL_UNSIGNED_BYTE, image->data);
+ }
+
+ glFogf(GL_FOG_DENSITY, 0.125);
+ glFogi(GL_FOG_MODE, GL_LINEAR);
+ glFogf(GL_FOG_START, 4.0);
+ glFogf(GL_FOG_END, 9.0);
+ glFogfv(GL_FOG_COLOR, fog_color);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glShadeModel(GL_SMOOTH);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glViewport(0, 0, W, H);
+ glEnable(GL_DEPTH_TEST);
+
+ glFrontFace(GL_CW);
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_BACK);
+
+ glEnable(GL_TEXTURE_2D);
+ glTexGeniv(GL_S, GL_TEXTURE_GEN_MODE, sphereMap);
+ glTexGeniv(GL_T, GL_TEXTURE_GEN_MODE, sphereMap);
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, sWrapMode);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, tWrapMode);
+
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
+
+ BuildLists();
+}
+
+void ReInit(void)
+{
+
+ if (genericObject == torus) {
+ glEnable(GL_DEPTH_TEST);
+ } else {
+ glDisable(GL_DEPTH_TEST);
+ }
+ if (isFogged) {
+ textureEnvironment = modulate;
+ }
+
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
+}
+
+void Draw(void)
+{
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-0.2, 0.2, -0.2, 0.2, 0.15, 9.0);
+ glMatrixMode(GL_MODELVIEW);
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+ if (isFogged) {
+ glEnable(GL_FOG);
+ glColor3fv(RGBMap[deepestColor]);
+ } else {
+ glColor3fv(RGBMap[COLOR_WHITE]);
+ }
+ glDisable(GL_LIGHTING);
+ glDisable(GL_LIGHT0);
+ glDisable(GL_TEXTURE_2D);
+ glCallList(cage);
+
+ glPushMatrix();
+ glTranslatef(0.0, 0.0, zTranslate);
+ glRotatef(xRotation, 1, 0, 0);
+ glRotatef(yRotation, 0, 1, 0);
+
+ if (isLit == TRUE) {
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ }
+
+ glEnable(GL_TEXTURE_2D);
+ if (isFogged) {
+ glDisable(GL_FOG);
+ }
+ glPolygonMode(GL_FRONT, GL_FILL);
+ glColor3fv(RGBMap[deepestColor]);
+ glCallList(genericObject);
+
+ glPopMatrix();
+ glFlush();
+
+ if (autoRotate) {
+ xRotation += .75;
+ yRotation += .375;
+ }
+ glutSwapBuffers();
+}
+
+void Reshape(int width, int height)
+{
+
+ W = width;
+ H = height;
+ ReInit();
+ glViewport( 0, 0, width, height ); /*new*/
+}
+
+void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ yRotation -= 0.5;
+ autoRotate = FALSE;
+ ReInit();
+ break;
+ case GLUT_KEY_RIGHT:
+ yRotation += 0.5;
+ autoRotate = FALSE;
+ ReInit();
+ break;
+ case GLUT_KEY_UP:
+ xRotation -= 0.5;
+ autoRotate = FALSE;
+ ReInit();
+ break;
+ case GLUT_KEY_DOWN:
+ xRotation += 0.5;
+ autoRotate = FALSE;
+ ReInit();
+ break;
+ default:
+ return;
+ }
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ free(image->data);
+ exit(1);
+
+ case 'a':
+ autoRotate = !autoRotate;
+ ReInit();
+ break;
+ case 'c':
+ genericObject = (genericObject == cube) ? cylinder : cube;
+ ReInit();
+ break;
+ case 'd':
+ textureEnvironment = decal;
+ ReInit();
+ break;
+ case 'm':
+ textureEnvironment = modulate;
+ ReInit();
+ break;
+ case 'l':
+ isLit = !isLit;
+ ReInit();
+ break;
+ case 'f':
+ isFogged = !isFogged;
+ ReInit();
+ break;
+ case 't':
+ genericObject = torus;
+ ReInit();
+ break;
+ case '0':
+ magFilter = nnearest;
+ ReInit();
+ break;
+ case '1':
+ magFilter = linear;
+ ReInit();
+ break;
+ case '2':
+ minFilter = nnearest;
+ ReInit();
+ break;
+ case '3':
+ minFilter = linear;
+ ReInit();
+ break;
+ case '4':
+ minFilter = nearest_mipmap_nearest;
+ ReInit();
+ break;
+ case '5':
+ minFilter = nearest_mipmap_linear;
+ ReInit();
+ break;
+ case '6':
+ minFilter = linear_mipmap_nearest;
+ ReInit();
+ break;
+ case '7':
+ minFilter = linear_mipmap_linear;
+ ReInit();
+ break;
+ default:
+ return;
+ }
+}
+
+GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+ numComponents = 4;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-f") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-f (No file name).\n");
+ return GL_FALSE;
+ } else {
+ imageFileName = argv[++i];
+ }
+ } else if (strcmp(argv[i], "-4") == 0) {
+ numComponents = 4;
+ } else if (strcmp(argv[i], "-3") == 0) {
+ numComponents = 3;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+ glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ if (imageFileName == 0) {
+ printf("No image file.\n");
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( W, H);
+
+ type = GLUT_RGB | GLUT_DEPTH;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Texture Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutIdleFunc(glut_post_redisplay_p);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/star.c b/progs/samples/star.c
new file mode 100644
index 0000000000..180585e121
--- /dev/null
+++ b/progs/samples/star.c
@@ -0,0 +1,331 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#ifndef PI
+#define PI 3.141592657
+#endif
+
+enum {
+ NORMAL = 0,
+ WEIRD = 1
+};
+
+enum {
+ STREAK = 0,
+ CIRCLE = 1
+};
+
+#define MAXSTARS 400
+#define MAXPOS 10000
+#define MAXWARP 10
+#define MAXANGLES 6000
+
+
+typedef struct _starRec {
+ GLint type;
+ float x[2], y[2], z[2];
+ float offsetX, offsetY, offsetR, rotation;
+} starRec;
+
+
+GLenum doubleBuffer;
+GLint windW, windH;
+
+GLenum flag = NORMAL;
+GLint starCount = MAXSTARS / 2;
+float speed = 1.0;
+GLint nitro = 0;
+starRec stars[MAXSTARS];
+float sinTable[MAXANGLES];
+
+
+float Sin(float angle)
+{
+
+ return (sinTable[(GLint)angle]);
+}
+
+float Cos(float angle)
+{
+
+ return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]);
+}
+
+void NewStar(GLint n, GLint d)
+{
+
+ if (rand()%4 == 0) {
+ stars[n].type = CIRCLE;
+ } else {
+ stars[n].type = STREAK;
+ }
+ stars[n].x[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+ stars[n].y[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+ stars[n].z[0] = (float)(rand() % MAXPOS + d);
+ if (rand()%4 == 0 && flag == WEIRD) {
+ stars[n].offsetX = (float)(rand() % 100 - 100 / 2);
+ stars[n].offsetY = (float)(rand() % 100 - 100 / 2);
+ stars[n].offsetR = (float)(rand() % 25 - 25 / 2);
+ } else {
+ stars[n].offsetX = 0.0;
+ stars[n].offsetY = 0.0;
+ stars[n].offsetR = 0.0;
+ }
+}
+
+void RotatePoint(float *x, float *y, float rotation)
+{
+ float tmpX, tmpY;
+
+ tmpX = *x * Cos(rotation) - *y * Sin(rotation);
+ tmpY = *y * Cos(rotation) + *x * Sin(rotation);
+ *x = tmpX;
+ *y = tmpY;
+}
+
+void MoveStars(void)
+{
+ float offset;
+ GLint n;
+
+ offset = speed * 60.0;
+
+ for (n = 0; n < starCount; n++) {
+ stars[n].x[1] = stars[n].x[0];
+ stars[n].y[1] = stars[n].y[0];
+ stars[n].z[1] = stars[n].z[0];
+ stars[n].x[0] += stars[n].offsetX;
+ stars[n].y[0] += stars[n].offsetY;
+ stars[n].z[0] -= offset;
+ stars[n].rotation += stars[n].offsetR;
+ if (stars[n].rotation > MAXANGLES) {
+ stars[n].rotation = 0.0;
+ }
+ }
+}
+
+GLenum StarPoint(GLint n)
+{
+ float x0, y0, x1, y1, width;
+ GLint i;
+
+ x0 = stars[n].x[0] * windW / stars[n].z[0];
+ y0 = stars[n].y[0] * windH / stars[n].z[0];
+ RotatePoint(&x0, &y0, stars[n].rotation);
+ x0 += windW / 2.0;
+ y0 += windH / 2.0;
+
+ if (x0 >= 0.0 && x0 < windW && y0 >= 0.0 && y0 < windH) {
+ if (stars[n].type == STREAK) {
+ x1 = stars[n].x[1] * windW / stars[n].z[1];
+ y1 = stars[n].y[1] * windH / stars[n].z[1];
+ RotatePoint(&x1, &y1, stars[n].rotation);
+ x1 += windW / 2.0;
+ y1 += windH / 2.0;
+
+ glLineWidth(MAXPOS/100.0/stars[n].z[0]+1.0);
+ glColor3f(1.0, (MAXWARP-speed)/MAXWARP, (MAXWARP-speed)/MAXWARP);
+ if (fabs(x0-x1) < 1.0 && fabs(y0-y1) < 1.0) {
+ glBegin(GL_POINTS);
+ glVertex2f(x0, y0);
+ glEnd();
+ } else {
+ glBegin(GL_LINES);
+ glVertex2f(x0, y0);
+ glVertex2f(x1, y1);
+ glEnd();
+ }
+ } else {
+ width = MAXPOS / 10.0 / stars[n].z[0] + 1.0;
+ glColor3f(1.0, 0.0, 0.0);
+ glBegin(GL_POLYGON);
+ for (i = 0; i < 8; i++) {
+ float x = x0 + width * Cos((float)i*MAXANGLES/8.0);
+ float y = y0 + width * Sin((float)i*MAXANGLES/8.0);
+ glVertex2f(x, y);
+ };
+ glEnd();
+ }
+ return GL_TRUE;
+ } else {
+ return GL_FALSE;
+ }
+}
+
+void ShowStars(void)
+{
+ GLint n;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ for (n = 0; n < starCount; n++) {
+ if (stars[n].z[0] > speed || (stars[n].z[0] > 0.0 && speed < MAXWARP)) {
+ if (StarPoint(n) == GL_FALSE) {
+ NewStar(n, MAXPOS);
+ }
+ } else {
+ NewStar(n, MAXPOS);
+ }
+ }
+}
+
+static void Init(void)
+{
+ float angle;
+ GLint n;
+
+ srand((unsigned int) glutGet(GLUT_ELAPSED_TIME) );
+
+ for (n = 0; n < MAXSTARS; n++) {
+ NewStar(n, 100);
+ }
+
+ angle = 0.0;
+ for (n = 0; n < MAXANGLES ; n++) {
+ sinTable[n] = sin(angle);
+ angle += PI / (MAXANGLES / 2.0);
+ }
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glDisable(GL_DITHER);
+}
+
+void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+
+ glViewport(0, 0, windW, windH);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 32:
+ flag = (flag == NORMAL) ? WEIRD : NORMAL;
+ break;
+ case 't':
+ nitro = 1;
+ break;
+ default:
+ return;
+ }
+}
+
+void Draw(void)
+{
+
+ MoveStars();
+ ShowStars();
+ if (nitro > 0) {
+ speed = (float)(nitro / 10) + 1.0;
+ if (speed > MAXWARP) {
+ speed = MAXWARP;
+ }
+ if (++nitro > MAXWARP*10) {
+ nitro = -nitro;
+ }
+ } else if (nitro < 0) {
+ nitro++;
+ speed = (float)(-nitro / 10) + 1.0;
+ if (speed > MAXWARP) {
+ speed = MAXWARP;
+ }
+ }
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ }
+ }
+ return GL_TRUE;
+}
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+ glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ windW = 300;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Stars") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutIdleFunc(glut_post_redisplay_p);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/stencil.c b/progs/samples/stencil.c
new file mode 100644
index 0000000000..e00bbb61b0
--- /dev/null
+++ b/progs/samples/stencil.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static void Init(void)
+{
+ glShadeModel(GL_FLAT);
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glClearStencil(0);
+ glStencilMask(1);
+ glEnable(GL_STENCIL_TEST);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-5.0, 5.0, -5.0, 5.0, -5.0, 5.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ }
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
+
+ glStencilFunc(GL_ALWAYS, 1, 1);
+ glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+
+ glColor3ub(200, 0, 0);
+ glBegin(GL_POLYGON);
+ glVertex3i(-4, -4, 0);
+ glVertex3i( 4, -4, 0);
+ glVertex3i( 0, 4, 0);
+ glEnd();
+
+ glStencilFunc(GL_EQUAL, 1, 1);
+ glStencilOp(GL_INCR, GL_KEEP, GL_DECR);
+
+ glColor3ub(0, 200, 0);
+ glBegin(GL_POLYGON);
+ glVertex3i(3, 3, 0);
+ glVertex3i(-3, 3, 0);
+ glVertex3i(-3, -3, 0);
+ glVertex3i(3, -3, 0);
+ glEnd();
+
+ glStencilFunc(GL_EQUAL, 1, 1);
+ glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+ glColor3ub(0, 0, 200);
+ glBegin(GL_POLYGON);
+ glVertex3i(3, 3, 0);
+ glVertex3i(-3, 3, 0);
+ glVertex3i(-3, -3, 0);
+ glVertex3i(3, -3, 0);
+ glEnd();
+
+ glFlush();
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-dr") == 0) {
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB | GLUT_SINGLE | GLUT_STENCIL;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Stencil Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/stretch.c b/progs/samples/stretch.c
new file mode 100644
index 0000000000..3f610e77de
--- /dev/null
+++ b/progs/samples/stretch.c
@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#define STEPCOUNT 40
+#define FALSE 0
+#define TRUE 1
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+
+
+enum {
+ OP_NOOP = 0,
+ OP_STRETCH,
+ OP_DRAWPOINT,
+ OP_DRAWIMAGE
+};
+
+
+typedef struct _cRec {
+ float x, y;
+} cRec;
+
+typedef struct _vertexRec {
+ float x, y;
+ float dX, dY;
+ float tX, tY;
+} vertexRec;
+
+
+#include "loadppm.c"
+
+GLenum doubleBuffer;
+int imageSizeX, imageSizeY;
+char *fileName = 0;
+PPMImage *image;
+cRec cList[50];
+vertexRec vList[5];
+int cCount, cIndex[2], cStep;
+GLenum op = OP_NOOP;
+
+
+void DrawImage(void)
+{
+
+ glRasterPos2i(0, 0);
+ glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
+ image->data);
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+
+ glRasterPos2i(0, 0);
+ glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
+ image->data);
+}
+
+void DrawPoint(void)
+{
+ int i;
+
+ glColor3f(1.0, 0.0, 1.0);
+ glPointSize(3.0);
+ glBegin(GL_POINTS);
+ for (i = 0; i < cCount; i++) {
+ glVertex2f(cList[i].x, cList[i].y);
+ }
+ glEnd();
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+void InitVList(void)
+{
+
+ vList[0].x = 0.0;
+ vList[0].y = 0.0;
+ vList[0].dX = 0.0;
+ vList[0].dY = 0.0;
+ vList[0].tX = 0.0;
+ vList[0].tY = 0.0;
+
+ vList[1].x = (float)imageSizeX;
+ vList[1].y = 0.0;
+ vList[1].dX = 0.0;
+ vList[1].dY = 0.0;
+ vList[1].tX = 1.0;
+ vList[1].tY = 0.0;
+
+ vList[2].x = (float)imageSizeX;
+ vList[2].y = (float)imageSizeY;
+ vList[2].dX = 0.0;
+ vList[2].dY = 0.0;
+ vList[2].tX = 1.0;
+ vList[2].tY = 1.0;
+
+ vList[3].x = 0.0;
+ vList[3].y = (float)imageSizeY;
+ vList[3].dX = 0.0;
+ vList[3].dY = 0.0;
+ vList[3].tX = 0.0;
+ vList[3].tY = 1.0;
+
+ vList[4].x = cList[0].x;
+ vList[4].y = cList[0].y;
+ vList[4].dX = (cList[1].x - cList[0].x) / STEPCOUNT;
+ vList[4].dY = (cList[1].y - cList[0].y) / STEPCOUNT;
+ vList[4].tX = cList[0].x / (float)imageSizeX;
+ vList[4].tY = cList[0].y / (float)imageSizeY;
+}
+
+void ScaleImage(int sizeX, int sizeY)
+{
+ GLubyte *buf;
+
+ buf = (GLubyte *)malloc(3*sizeX*sizeY);
+ gluScaleImage(GL_RGB, image->sizeX, image->sizeY, GL_UNSIGNED_BYTE,
+ image->data, sizeX, sizeY, GL_UNSIGNED_BYTE, buf);
+ free(image->data);
+ image->data = buf;
+ image->sizeX = sizeX;
+ image->sizeY = sizeY;
+}
+
+void SetPoint(int x, int y)
+{
+
+ cList[cCount].x = (float)x;
+ cList[cCount].y = (float)y;
+ cCount++;
+}
+
+void Stretch(void)
+{
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(vList[0].tX, vList[0].tY);
+ glVertex2f(vList[0].x, vList[0].y);
+ glTexCoord2f(vList[1].tX, vList[1].tY);
+ glVertex2f(vList[1].x, vList[1].y);
+ glTexCoord2f(vList[4].tX, vList[4].tY);
+ glVertex2f(vList[4].x, vList[4].y);
+ glEnd();
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(vList[1].tX, vList[1].tY);
+ glVertex2f(vList[1].x, vList[1].y);
+ glTexCoord2f(vList[2].tX, vList[2].tY);
+ glVertex2f(vList[2].x, vList[2].y);
+ glTexCoord2f(vList[4].tX, vList[4].tY);
+ glVertex2f(vList[4].x, vList[4].y);
+ glEnd();
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(vList[2].tX, vList[2].tY);
+ glVertex2f(vList[2].x, vList[2].y);
+ glTexCoord2f(vList[3].tX, vList[3].tY);
+ glVertex2f(vList[3].x, vList[3].y);
+ glTexCoord2f(vList[4].tX, vList[4].tY);
+ glVertex2f(vList[4].x, vList[4].y);
+ glEnd();
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(vList[3].tX, vList[3].tY);
+ glVertex2f(vList[3].x, vList[3].y);
+ glTexCoord2f(vList[0].tX, vList[0].tY);
+ glVertex2f(vList[0].x, vList[0].y);
+ glTexCoord2f(vList[4].tX, vList[4].tY);
+ glVertex2f(vList[4].x, vList[4].y);
+ glEnd();
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+
+ if (++cStep < STEPCOUNT) {
+ vList[4].x += vList[4].dX;
+ vList[4].y += vList[4].dY;
+ } else {
+ cIndex[0] = cIndex[1];
+ cIndex[1] = cIndex[1] + 1;
+ if (cIndex[1] == cCount) {
+ cIndex[1] = 0;
+ }
+ vList[4].dX = (cList[cIndex[1]].x - cList[cIndex[0]].x) / STEPCOUNT;
+ vList[4].dY = (cList[cIndex[1]].y - cList[cIndex[0]].y) / STEPCOUNT;
+ cStep = 0;
+ }
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ free(image->data);
+ exit(1);
+ case 32:
+ if (cCount > 1) {
+ InitVList();
+ cIndex[0] = 0;
+ cIndex[1] = 1;
+ cStep = 0;
+ glEnable(GL_TEXTURE_2D);
+ op = OP_STRETCH;
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+void Mouse(int button, int state, int mouseX, int mouseY)
+{
+
+ if (state != GLUT_DOWN)
+ return;
+
+ if (op == OP_STRETCH) {
+ glDisable(GL_TEXTURE_2D);
+ cCount = 0;
+ op = OP_DRAWIMAGE;
+ } else {
+ SetPoint(mouseX, imageSizeY-mouseY);
+ op = OP_DRAWPOINT;
+ }
+
+ glutPostRedisplay();
+}
+
+void Animate(void)
+{
+
+ switch (op) {
+ case OP_STRETCH:
+ Stretch();
+ break;
+ case OP_DRAWPOINT:
+ DrawPoint();
+ break;
+ case OP_DRAWIMAGE:
+ DrawImage();
+ break;
+ default:
+ break;
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-f") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-f (No file name).\n");
+ return GL_FALSE;
+ } else {
+ fileName = argv[++i];
+ }
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+ glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ if (fileName == 0) {
+ printf("No image file.\n");
+ exit(1);
+ }
+
+ image = LoadPPM(fileName);
+
+ /* changed powf and logf to pow and log -Brian */
+ imageSizeX = (int)pow(2.0, (float)((int)(log(image->sizeX)/log(2.0))));
+ imageSizeY = (int)pow(2.0, (float)((int)(log(image->sizeY)/log(2.0))));
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( imageSizeX, imageSizeY);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Stretch") == GL_FALSE) {
+ exit(1);
+ }
+
+ glViewport(0, 0, imageSizeX, imageSizeY);
+ gluOrtho2D(0, imageSizeX, 0, imageSizeY);
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+ ScaleImage(imageSizeX, imageSizeY);
+
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, image->sizeX, image->sizeY, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, (unsigned char *)image->data);
+
+ cCount = 0;
+ cIndex[0] = 0;
+ cIndex[1] = 0;
+ cStep = 0;
+ op = OP_DRAWIMAGE;
+
+ glutKeyboardFunc(Key);
+ glutMouseFunc(Mouse);
+ glutDisplayFunc(Animate);
+ glutIdleFunc(glut_post_redisplay_p);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/texture.c b/progs/samples/texture.c
new file mode 100644
index 0000000000..7ee41eef28
--- /dev/null
+++ b/progs/samples/texture.c
@@ -0,0 +1,474 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#include "loadppm.c"
+
+GLenum doubleBuffer;
+
+char *texFileName = 0;
+PPMImage *image;
+
+float *minFilter, *magFilter, *sWrapMode, *tWrapMode;
+float decal[] = {GL_DECAL};
+float modulate[] = {GL_MODULATE};
+float repeat[] = {GL_REPEAT};
+float clamp[] = {GL_CLAMP};
+float nr[] = {GL_NEAREST};
+float ln[] = {GL_LINEAR};
+float nr_mipmap_nr[] = {GL_NEAREST_MIPMAP_NEAREST};
+float nr_mipmap_ln[] = {GL_NEAREST_MIPMAP_LINEAR};
+float ln_mipmap_nr[] = {GL_LINEAR_MIPMAP_NEAREST};
+float ln_mipmap_ln[] = {GL_LINEAR_MIPMAP_LINEAR};
+GLint sphereMap[] = {GL_SPHERE_MAP};
+
+GLenum doSphere = GL_FALSE;
+float xRotation = 0.0, yRotation = 0.0, zTranslate = -3.125;
+
+GLint cube;
+float c[6][4][3] = {
+ {
+ {
+ 1.0, 1.0, -1.0
+ },
+ {
+ -1.0, 1.0, -1.0
+ },
+ {
+ -1.0, -1.0, -1.0
+ },
+ {
+ 1.0, -1.0, -1.0
+ }
+ },
+ {
+ {
+ 1.0, 1.0, 1.0
+ },
+ {
+ 1.0, 1.0, -1.0
+ },
+ {
+ 1.0, -1.0, -1.0
+ },
+ {
+ 1.0, -1.0, 1.0
+ }
+ },
+ {
+ {
+ -1.0, 1.0, 1.0
+ },
+ {
+ 1.0, 1.0, 1.0
+ },
+ {
+ 1.0, -1.0, 1.0
+ },
+ {
+ -1.0, -1.0, 1.0
+ }
+ },
+ {
+ {
+ -1.0, 1.0, -1.0
+ },
+ {
+ -1.0, 1.0, 1.0
+ },
+ {
+ -1.0, -1.0, 1.0
+ },
+ {
+ -1.0, -1.0, -1.0
+ }
+ },
+ {
+ {
+ -1.0, 1.0, 1.0
+ },
+ {
+ -1.0, 1.0, -1.0
+ },
+ {
+ 1.0, 1.0, -1.0
+ },
+ {
+ 1.0, 1.0, 1.0
+ }
+ },
+ {
+ {
+ -1.0, -1.0, -1.0
+ },
+ {
+ -1.0, -1.0, 1.0
+ },
+ {
+ 1.0, -1.0, 1.0
+ },
+ {
+ 1.0, -1.0, -1.0
+ }
+ }
+};
+static float n[6][3] = {
+ {
+ 0.0, 0.0, -1.0
+ },
+ {
+ 1.0, 0.0, 0.0
+ },
+ {
+ 0.0, 0.0, 1.0
+ },
+ {
+ -1.0, 0.0, 0.0
+ },
+ {
+ 0.0, 1.0, 0.0
+ },
+ {
+ 0.0, -1.0, 0.0
+ }
+};
+static float t[6][4][2] = {
+ {
+ {
+ 1.1, 1.1
+ },
+ {
+ -0.1, 1.1
+ },
+ {
+ -0.1, -0.1
+ },
+ {
+ 1.1, -0.1
+ }
+ },
+ {
+ {
+ 1.1, 1.1
+ },
+ {
+ -0.1, 1.1
+ },
+ {
+ -0.1, -0.1
+ },
+ {
+ 1.1, -0.1
+ }
+ },
+ {
+ {
+ -0.1, 1.1
+ },
+ {
+ 1.1, 1.1
+ },
+ {
+ 1.1, -0.1
+ },
+ {
+ -0.1, -0.1
+ }
+ },
+ {
+ {
+ 1.1, 1.1
+ },
+ {
+ -0.1, 1.1
+ },
+ {
+ -0.1, -0.1
+ },
+ {
+ 1.1, -0.1
+ }
+ },
+ {
+ {
+ 1.1, 1.1
+ },
+ {
+ -0.1, 1.1
+ },
+ {
+ -0.1, -0.1
+ },
+ {
+ 1.1, -0.1
+ }
+ },
+ {
+ {
+ 1.1, 1.1
+ },
+ {
+ -0.1, 1.1
+ },
+ {
+ -0.1, -0.1
+ },
+ {
+ 1.1, -0.1
+ }
+ },
+};
+
+static void BuildCube(void)
+{
+ GLint i;
+
+ glNewList(cube, GL_COMPILE);
+ for (i = 0; i < 6; i++) {
+ glBegin(GL_POLYGON);
+ glNormal3fv(n[i]); glTexCoord2fv(t[i][0]); glVertex3fv(c[i][0]);
+ glNormal3fv(n[i]); glTexCoord2fv(t[i][1]); glVertex3fv(c[i][1]);
+ glNormal3fv(n[i]); glTexCoord2fv(t[i][2]); glVertex3fv(c[i][2]);
+ glNormal3fv(n[i]); glTexCoord2fv(t[i][3]); glVertex3fv(c[i][3]);
+ glEnd();
+ }
+ glEndList();
+}
+
+static void BuildLists(void)
+{
+
+ cube = glGenLists(1);
+ BuildCube();
+}
+
+static void Init(void)
+{
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->sizeX, image->sizeY,
+ GL_RGB, GL_UNSIGNED_BYTE, image->data);
+ glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+ glEnable(GL_TEXTURE_2D);
+
+ glFrontFace(GL_CCW);
+ glCullFace(GL_FRONT);
+ glEnable(GL_CULL_FACE);
+
+ BuildLists();
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ magFilter = nr;
+ minFilter = nr;
+ sWrapMode = repeat;
+ tWrapMode = repeat;
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(145.0, 1.0, 0.01, 1000);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ yRotation -= 0.5;
+ break;
+ case GLUT_KEY_RIGHT:
+ yRotation += 0.5;
+ break;
+ case GLUT_KEY_UP:
+ xRotation -= 0.5;
+ break;
+ case GLUT_KEY_DOWN:
+ xRotation += 0.5;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+
+ case 'T':
+ zTranslate += 0.25;
+ break;
+ case 't':
+ zTranslate -= 0.25;
+ break;
+
+ case 's':
+ doSphere = !doSphere;
+ if (doSphere) {
+ glTexGeniv(GL_S, GL_TEXTURE_GEN_MODE, sphereMap);
+ glTexGeniv(GL_T, GL_TEXTURE_GEN_MODE, sphereMap);
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+ } else {
+ glDisable(GL_TEXTURE_GEN_S);
+ glDisable(GL_TEXTURE_GEN_T);
+ }
+ break;
+
+ case '0':
+ magFilter = nr;
+ break;
+ case '1':
+ magFilter = ln;
+ break;
+ case '2':
+ minFilter = nr;
+ break;
+ case '3':
+ minFilter = ln;
+ break;
+ case '4':
+ minFilter = nr_mipmap_nr;
+ break;
+ case '5':
+ minFilter = nr_mipmap_ln;
+ break;
+ case '6':
+ minFilter = ln_mipmap_nr;
+ break;
+ case '7':
+ minFilter = ln_mipmap_ln;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, sWrapMode);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, tWrapMode);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
+ glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
+
+ glPushMatrix();
+
+ glTranslatef(0.0, 0.0, zTranslate);
+ glRotatef(xRotation, 1, 0, 0);
+ glRotatef(yRotation, 0, 1, 0);
+ glCallList(cube);
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-f") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-f (No file name).\n");
+ return GL_FALSE;
+ } else {
+ texFileName = argv[++i];
+ }
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ if (texFileName == 0) {
+ printf("No image file.\n");
+ exit(1);
+ }
+
+ image = LoadPPM(texFileName);
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Texture Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/tkmap.c b/progs/samples/tkmap.c
new file mode 100644
index 0000000000..3ded79caca
--- /dev/null
+++ b/progs/samples/tkmap.c
@@ -0,0 +1,71 @@
+
+enum {
+ COLOR_BLACK = 0,
+ COLOR_RED,
+ COLOR_GREEN,
+ COLOR_YELLOW,
+ COLOR_BLUE,
+ COLOR_MAGENTA,
+ COLOR_CYAN,
+ COLOR_WHITE
+};
+
+static float RGBMap[9][3] = {
+ {0, 0, 0},
+ {1, 0, 0},
+ {0, 1, 0},
+ {1, 1, 0},
+ {0, 0, 1},
+ {1, 0, 1},
+ {0, 1, 1},
+ {1, 1, 1},
+ {0.5, 0.5, 0.5}
+};
+
+static void SetColor(int c)
+{
+ if (glutGet(GLUT_WINDOW_RGBA))
+ glColor3fv(RGBMap[c]);
+ else
+ glIndexf(c);
+}
+
+static void InitMap(void)
+{
+ int i;
+
+ if (rgb)
+ return;
+
+ for (i = 0; i < 9; i++)
+ glutSetColor(i, RGBMap[i][0], RGBMap[i][1], RGBMap[i][2]);
+}
+
+static void SetFogRamp(int density, int startIndex)
+{
+ int fogValues, colorValues;
+ int i, j, k;
+ float intensity;
+
+ fogValues = 1 << density;
+ colorValues = 1 << startIndex;
+ for (i = 0; i < colorValues; i++) {
+ for (j = 0; j < fogValues; j++) {
+ k = i * fogValues + j;
+ intensity = (i * fogValues + j * colorValues) / 255.0;
+ glutSetColor(k, intensity, intensity, intensity);
+ }
+ }
+}
+
+static void SetGreyRamp(void)
+{
+ int i;
+ float intensity;
+
+ for (i = 0; i < 255; i++) {
+ intensity = i / 255.0;
+ glutSetColor(i, intensity, intensity, intensity);
+ }
+}
+
diff --git a/progs/samples/tri.c b/progs/samples/tri.c
new file mode 100644
index 0000000000..700325132e
--- /dev/null
+++ b/progs/samples/tri.c
@@ -0,0 +1,403 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define SOLID 1
+#define LINE 2
+#define POINT 3
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+GLenum dithering = GL_TRUE;
+GLenum showVerticies = GL_TRUE;
+GLenum hideBottomTriangle = GL_FALSE;
+GLenum outline = GL_TRUE;
+GLenum culling = GL_FALSE;
+GLenum winding = GL_FALSE;
+GLenum face = GL_FALSE;
+GLenum state = SOLID;
+GLenum aaMode = GL_FALSE;
+GLenum shade = GL_TRUE;
+
+GLint color1, color2, color3;
+
+float zRotation = 90.0;
+float zoom = 1.0;
+
+float boxA[3] = {-100, -100, 0};
+float boxB[3] = { 100, -100, 0};
+float boxC[3] = { 100, 100, 0};
+float boxD[3] = {-100, 100, 0};
+
+float p0[3] = {-125,-80, 0};
+float p1[3] = {-125, 80, 0};
+float p2[3] = { 172, 0, 0};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+ float r, g, b;
+ float percent1, percent2;
+ GLint i, j;
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glLineStipple(1, 0xF0F0);
+
+ glEnable(GL_SCISSOR_TEST);
+
+ if (!rgb) {
+ for (j = 0; j <= 12; j++) {
+ if (j <= 6) {
+ percent1 = j / 6.0;
+ r = 1.0 - 0.8 * percent1;
+ g = 0.2 + 0.8 * percent1;
+ b = 0.2;
+ } else {
+ percent1 = (j - 6) / 6.0;
+ r = 0.2;
+ g = 1.0 - 0.8 * percent1;
+ b = 0.2 + 0.8 * percent1;
+ }
+ glutSetColor(j+18, r, g, b);
+ for (i = 0; i < 16; i++) {
+ percent2 = i / 15.0;
+ glutSetColor(j*16+1+32, r*percent2, g*percent2, b*percent2);
+ }
+ }
+ color1 = 18;
+ color2 = 24;
+ color3 = 30;
+ }
+}
+
+static void Reshape(int width, int height)
+{
+
+ windW = (GLint)width;
+ windH = (GLint)height;
+}
+
+static void Key2(int key, int x, int y)
+{
+
+ switch (key) {
+ case GLUT_KEY_LEFT:
+ zRotation += 0.5;
+ break;
+ case GLUT_KEY_RIGHT:
+ zRotation -= 0.5;
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'Z':
+ zoom *= 0.75;
+ break;
+ case 'z':
+ zoom /= 0.75;
+ if (zoom > 10) {
+ zoom = 10;
+ }
+ break;
+ case '1':
+ glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
+ break;
+ case '2':
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ break;
+ case '3':
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+ break;
+ case '4':
+ state = POINT;
+ break;
+ case '5':
+ state = LINE;
+ break;
+ case '6':
+ state = SOLID;
+ break;
+ case '7':
+ culling = !culling;
+ break;
+ case '8':
+ winding = !winding;
+ break;
+ case '9':
+ face = !face;
+ break;
+ case 'v':
+ showVerticies = !showVerticies;
+ break;
+ case 's':
+ shade = !shade;
+ (shade) ? glShadeModel(GL_SMOOTH) : glShadeModel(GL_FLAT);
+ break;
+ case 'h':
+ hideBottomTriangle = !hideBottomTriangle;
+ break;
+ case 'o':
+ outline = !outline;
+ break;
+ case 'm':
+ dithering = !dithering;
+ break;
+ case '0':
+ aaMode = !aaMode;
+ if (aaMode) {
+ glEnable(GL_POLYGON_SMOOTH);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ if (!rgb) {
+ color1 = 32;
+ color2 = 128;
+ color3 = 224;
+ }
+ } else {
+ glDisable(GL_POLYGON_SMOOTH);
+ glDisable(GL_BLEND);
+ if (!rgb) {
+ color1 = 18;
+ color2 = 24;
+ color3 = 30;
+ }
+ }
+ break;
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void BeginPrim(void)
+{
+
+ switch (state) {
+ case SOLID:
+ glBegin(GL_POLYGON);
+ break;
+ case LINE:
+ glBegin(GL_LINE_LOOP);
+ break;
+ case POINT:
+ glBegin(GL_POINTS);
+ break;
+ default:
+ break;
+ }
+}
+
+static void EndPrim(void)
+{
+
+ glEnd();
+}
+
+static void Draw(void)
+{
+ float scaleX, scaleY;
+
+ glViewport(0, 0, windW, windH);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-175, 175, -175, 175);
+ glMatrixMode(GL_MODELVIEW);
+
+ glScissor(0, 0, windW, windH);
+
+ (culling) ? glEnable(GL_CULL_FACE) : glDisable(GL_CULL_FACE);
+ (winding) ? glFrontFace(GL_CCW) : glFrontFace(GL_CW);
+ (face) ? glCullFace(GL_FRONT) : glCullFace(GL_BACK);
+
+ (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ SetColor(COLOR_GREEN);
+ glBegin(GL_LINE_LOOP);
+ glVertex3fv(boxA);
+ glVertex3fv(boxB);
+ glVertex3fv(boxC);
+ glVertex3fv(boxD);
+ glEnd();
+
+ if (!hideBottomTriangle) {
+ glPushMatrix();
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(zRotation, 0, 0, 1);
+
+ SetColor(COLOR_BLUE);
+ BeginPrim();
+ glVertex3fv(p0);
+ glVertex3fv(p1);
+ glVertex3fv(p2);
+ EndPrim();
+
+ if (showVerticies) {
+ (rgb) ? glColor3fv(RGBMap[COLOR_RED]) : glIndexf(color1);
+ glRectf(p0[0]-2, p0[1]-2, p0[0]+2, p0[1]+2);
+ (rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexf(color2);
+ glRectf(p1[0]-2, p1[1]-2, p1[0]+2, p1[1]+2);
+ (rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexf(color3);
+ glRectf(p2[0]-2, p2[1]-2, p2[0]+2, p2[1]+2);
+ }
+
+ glPopMatrix();
+ }
+
+ scaleX = (float)(windW - 20) / 2 / 175 * (175 - 100) + 10;
+ scaleY = (float)(windH - 20) / 2 / 175 * (175 - 100) + 10;
+
+ glViewport(scaleX, scaleY, windW-2*scaleX, windH-2*scaleY);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-100, 100, -100, 100);
+ glMatrixMode(GL_MODELVIEW);
+
+ glScissor(scaleX, scaleY, windW-2*scaleX, windH-2*scaleY);
+
+ glPushMatrix();
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(zRotation, 0,0,1);
+
+ glPointSize(10);
+ glLineWidth(5);
+ glEnable(GL_POINT_SMOOTH);
+ glEnable(GL_LINE_STIPPLE);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ SetColor(COLOR_RED);
+ BeginPrim();
+ (rgb) ? glColor3fv(RGBMap[COLOR_RED]) : glIndexf(color1);
+ glVertex3fv(p0);
+ (rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexf(color2);
+ glVertex3fv(p1);
+ (rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexf(color3);
+ glVertex3fv(p2);
+ EndPrim();
+
+ glPointSize(1);
+ glLineWidth(1);
+ glDisable(GL_POINT_SMOOTH);
+ glDisable(GL_LINE_STIPPLE);
+ glBlendFunc(GL_ONE, GL_ZERO);
+
+ if (outline) {
+ SetColor(COLOR_WHITE);
+ glBegin(GL_LINE_LOOP);
+ glVertex3fv(p0);
+ glVertex3fv(p1);
+ glVertex3fv(p2);
+ glEnd();
+ }
+
+ glPopMatrix();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ windW = 600;
+ windH = 300;
+ glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+ windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(windType);
+
+ if (glutCreateWindow("Triangle Test") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(Key2);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/samples/wave.c b/progs/samples/wave.c
new file mode 100644
index 0000000000..187c590000
--- /dev/null
+++ b/progs/samples/wave.c
@@ -0,0 +1,602 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#ifndef PI
+#define PI 3.14159265358979323846
+#endif
+
+#define GETCOORD(frame, x, y) (&(theMesh.coords[frame*theMesh.numCoords+(x)+(y)*(theMesh.widthX+1)]))
+#define GETFACET(frame, x, y) (&(theMesh.facets[frame*theMesh.numFacets+(x)+(y)*theMesh.widthX]))
+
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+GLint colorIndexes1[3];
+GLint colorIndexes2[3];
+GLenum clearMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
+
+GLenum smooth = GL_FALSE;
+GLenum lighting = GL_TRUE;
+GLenum depth = GL_TRUE;
+GLenum stepMode = GL_FALSE;
+GLenum spinMode = GL_FALSE;
+GLint contouring = 0;
+
+GLint widthX, widthY;
+GLint checkerSize;
+float height;
+
+GLint frames, curFrame = 0, nextFrame = 0;
+
+struct facet {
+ float color[3];
+ float normal[3];
+};
+struct coord {
+ float vertex[3];
+ float normal[3];
+};
+struct mesh {
+ GLint widthX, widthY;
+ GLint numFacets;
+ GLint numCoords;
+ GLint frames;
+ struct coord *coords;
+ struct facet *facets;
+} theMesh;
+
+GLubyte contourTexture1[] = {
+ 255, 255, 255, 255,
+ 255, 255, 255, 255,
+ 255, 255, 255, 255,
+ 127, 127, 127, 127,
+};
+GLubyte contourTexture2[] = {
+ 255, 255, 255, 255,
+ 255, 127, 127, 127,
+ 255, 127, 127, 127,
+ 255, 127, 127, 127,
+};
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+ glutPostRedisplay();
+}
+
+static void Animate(void)
+{
+ struct coord *coord;
+ struct facet *facet;
+ float *lastColor;
+ float *thisColor;
+ GLint i, j;
+
+ glClear(clearMask);
+
+ if (nextFrame || !stepMode) {
+ curFrame++;
+ }
+ if (curFrame >= theMesh.frames) {
+ curFrame = 0;
+ }
+
+ if ((nextFrame || !stepMode) && spinMode) {
+ glRotatef(5.0, 0.0, 0.0, 1.0);
+ }
+ nextFrame = 0;
+
+ for (i = 0; i < theMesh.widthX; i++) {
+ glBegin(GL_QUAD_STRIP);
+ lastColor = NULL;
+ for (j = 0; j < theMesh.widthY; j++) {
+ facet = GETFACET(curFrame, i, j);
+ if (!smooth && lighting) {
+ glNormal3fv(facet->normal);
+ }
+ if (lighting) {
+ if (rgb) {
+ thisColor = facet->color;
+ glColor3fv(facet->color);
+ } else {
+ thisColor = facet->color;
+ glMaterialfv(GL_FRONT_AND_BACK, GL_COLOR_INDEXES,
+ facet->color);
+ }
+ } else {
+ if (rgb) {
+ thisColor = facet->color;
+ glColor3fv(facet->color);
+ } else {
+ thisColor = facet->color;
+ glIndexf(facet->color[1]);
+ }
+ }
+
+ if (!lastColor || (thisColor[0] != lastColor[0] && smooth)) {
+ if (lastColor) {
+ glEnd();
+ glBegin(GL_QUAD_STRIP);
+ }
+ coord = GETCOORD(curFrame, i, j);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+
+ coord = GETCOORD(curFrame, i+1, j);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+ }
+
+ coord = GETCOORD(curFrame, i, j+1);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+
+ coord = GETCOORD(curFrame, i+1, j+1);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+
+ lastColor = thisColor;
+ }
+ glEnd();
+ }
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static void SetColorMap(void)
+{
+ static float green[3] = {0.2, 1.0, 0.2};
+ static float red[3] = {1.0, 0.2, 0.2};
+ float *color, percent;
+ GLint *indexes, entries, i, j;
+
+ entries = glutGet(GLUT_WINDOW_COLORMAP_SIZE);
+
+ colorIndexes1[0] = 1;
+ colorIndexes1[1] = 1 + (GLint)((entries - 1) * 0.3);
+ colorIndexes1[2] = (GLint)((entries - 1) * 0.5);
+ colorIndexes2[0] = 1 + (GLint)((entries - 1) * 0.5);
+ colorIndexes2[1] = 1 + (GLint)((entries - 1) * 0.8);
+ colorIndexes2[2] = entries - 1;
+
+ for (i = 0; i < 2; i++) {
+ switch (i) {
+ case 0:
+ color = green;
+ indexes = colorIndexes1;
+ break;
+ case 1:
+ color = red;
+ indexes = colorIndexes2;
+ break;
+ }
+
+ for (j = indexes[0]; j < indexes[1]; j++) {
+ percent = 0.2 + 0.8 * (j - indexes[0]) /
+ (float)(indexes[1] - indexes[0]);
+ glutSetColor(j, percent*color[0], percent*color[1],
+ percent*color[2]);
+ }
+ for (j=indexes[1]; j<=indexes[2]; j++) {
+ percent = (j - indexes[1]) / (float)(indexes[2] - indexes[1]);
+ glutSetColor(j, percent*(1-color[0])+color[0],
+ percent*(1-color[1])+color[1],
+ percent*(1-color[2])+color[2]);
+ }
+ }
+}
+
+static void InitMesh(void)
+{
+ struct coord *coord;
+ struct facet *facet;
+ float dp1[3], dp2[3];
+ float *pt1, *pt2, *pt3;
+ float angle, d, x, y;
+ GLint numFacets, numCoords, frameNum, i, j;
+
+ theMesh.widthX = widthX;
+ theMesh.widthY = widthY;
+ theMesh.frames = frames;
+
+ numFacets = widthX * widthY;
+ numCoords = (widthX + 1) * (widthY + 1);
+
+ theMesh.numCoords = numCoords;
+ theMesh.numFacets = numFacets;
+
+ theMesh.coords = (struct coord *)malloc(frames*numCoords*
+ sizeof(struct coord));
+ theMesh.facets = (struct facet *)malloc(frames*numFacets*
+ sizeof(struct facet));
+ if (theMesh.coords == NULL || theMesh.facets == NULL) {
+ printf("Out of memory.\n");
+ exit(1);
+ }
+
+ for (frameNum = 0; frameNum < frames; frameNum++) {
+ for (i = 0; i <= widthX; i++) {
+ x = i / (float)widthX;
+ for (j = 0; j <= widthY; j++) {
+ y = j / (float)widthY;
+
+ d = sqrt(x*x+y*y);
+ if (d == 0.0) {
+ d = 0.0001;
+ }
+ angle = 2 * PI * d + (2 * PI / frames * frameNum);
+
+ coord = GETCOORD(frameNum, i, j);
+
+ coord->vertex[0] = x - 0.5;
+ coord->vertex[1] = y - 0.5;
+ coord->vertex[2] = (height - height * d) * cos(angle);
+
+ coord->normal[0] = -(height / d) * x * ((1 - d) * 2 * PI *
+ sin(angle) + cos(angle));
+ coord->normal[1] = -(height / d) * y * ((1 - d) * 2 * PI *
+ sin(angle) + cos(angle));
+ coord->normal[2] = -1;
+
+ d = 1.0 / sqrt(coord->normal[0]*coord->normal[0]+
+ coord->normal[1]*coord->normal[1]+1);
+ coord->normal[0] *= d;
+ coord->normal[1] *= d;
+ coord->normal[2] *= d;
+ }
+ }
+ for (i = 0; i < widthX; i++) {
+ for (j = 0; j < widthY; j++) {
+ facet = GETFACET(frameNum, i, j);
+ if (((i/checkerSize)%2)^(j/checkerSize)%2) {
+ if (rgb) {
+ facet->color[0] = 1.0;
+ facet->color[1] = 0.2;
+ facet->color[2] = 0.2;
+ } else {
+ facet->color[0] = colorIndexes1[0];
+ facet->color[1] = colorIndexes1[1];
+ facet->color[2] = colorIndexes1[2];
+ }
+ } else {
+ if (rgb) {
+ facet->color[0] = 0.2;
+ facet->color[1] = 1.0;
+ facet->color[2] = 0.2;
+ } else {
+ facet->color[0] = colorIndexes2[0];
+ facet->color[1] = colorIndexes2[1];
+ facet->color[2] = colorIndexes2[2];
+ }
+ }
+ pt1 = GETCOORD(frameNum, i, j)->vertex;
+ pt2 = GETCOORD(frameNum, i, j+1)->vertex;
+ pt3 = GETCOORD(frameNum, i+1, j+1)->vertex;
+
+ dp1[0] = pt2[0] - pt1[0];
+ dp1[1] = pt2[1] - pt1[1];
+ dp1[2] = pt2[2] - pt1[2];
+
+ dp2[0] = pt3[0] - pt2[0];
+ dp2[1] = pt3[1] - pt2[1];
+ dp2[2] = pt3[2] - pt2[2];
+
+ facet->normal[0] = dp1[1] * dp2[2] - dp1[2] * dp2[1];
+ facet->normal[1] = dp1[2] * dp2[0] - dp1[0] * dp2[2];
+ facet->normal[2] = dp1[0] * dp2[1] - dp1[1] * dp2[0];
+
+ d = 1.0 / sqrt(facet->normal[0]*facet->normal[0]+
+ facet->normal[1]*facet->normal[1]+
+ facet->normal[2]*facet->normal[2]);
+
+ facet->normal[0] *= d;
+ facet->normal[1] *= d;
+ facet->normal[2] *= d;
+ }
+ }
+ }
+}
+
+static void InitMaterials(void)
+{
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+ static float position[] = {90.0, 90.0, 150.0, 0.0};
+ static float front_mat_shininess[] = {60.0};
+ static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+ static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+ static float back_mat_shininess[] = {60.0};
+ static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+ static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+ static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+ static float lmodel_twoside[] = {GL_TRUE};
+
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective(90.0, 1.0, 0.5, 10.0);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+ glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+ glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+ glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+ if (rgb) {
+ glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+ }
+
+ if (rgb) {
+ glEnable(GL_COLOR_MATERIAL);
+ } else {
+ SetColorMap();
+ }
+}
+
+static void InitTexture(void)
+{
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+}
+
+static void Init(void)
+{
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glShadeModel(GL_FLAT);
+
+ glFrontFace(GL_CW);
+
+ glEnable(GL_DEPTH_TEST);
+
+ InitMaterials();
+ InitTexture();
+ InitMesh();
+
+ glMatrixMode(GL_MODELVIEW);
+ glTranslatef(0.0, 0.4, -1.8);
+ glScalef(2.0, 2.0, 2.0);
+ glRotatef(-35.0, 1.0, 0.0, 0.0);
+ glRotatef(35.0, 0.0, 0.0, 1.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ case 'c':
+ contouring++;
+ if (contouring == 1) {
+ static GLfloat map[4] = {0, 0, 20, 0};
+
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, 4, 4, 0, GL_LUMINANCE,
+ GL_UNSIGNED_BYTE, (GLvoid *)contourTexture1);
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGenfv(GL_S, GL_OBJECT_PLANE, map);
+ glTexGenfv(GL_T, GL_OBJECT_PLANE, map);
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+ } else if (contouring == 2) {
+ static GLfloat map[4] = {0, 0, 20, 0};
+
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+ glPushMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTexGenfv(GL_S, GL_EYE_PLANE, map);
+ glTexGenfv(GL_T, GL_EYE_PLANE, map);
+ glPopMatrix();
+ } else {
+ contouring = 0;
+ glDisable(GL_TEXTURE_GEN_S);
+ glDisable(GL_TEXTURE_GEN_T);
+ glDisable(GL_TEXTURE_2D);
+ }
+ break;
+ case 's':
+ smooth = !smooth;
+ if (smooth) {
+ glShadeModel(GL_SMOOTH);
+ } else {
+ glShadeModel(GL_FLAT);
+ }
+ break;
+ case 'l':
+ lighting = !lighting;
+ if (lighting) {
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ if (rgb) {
+ glEnable(GL_COLOR_MATERIAL);
+ }
+ } else {
+ glDisable(GL_LIGHTING);
+ glDisable(GL_LIGHT0);
+ if (rgb) {
+ glDisable(GL_COLOR_MATERIAL);
+ }
+ }
+ break;
+ case 'd':
+ depth = !depth;
+ if (depth) {
+ glEnable(GL_DEPTH_TEST);
+ clearMask |= GL_DEPTH_BUFFER_BIT;
+ } else {
+ glDisable(GL_DEPTH_TEST);
+ clearMask &= ~GL_DEPTH_BUFFER_BIT;
+ }
+ break;
+ case 32:
+ stepMode = !stepMode;
+ if (stepMode) {
+ glutIdleFunc(0);
+ } else {
+ glutIdleFunc(glut_post_redisplay_p);
+ }
+ break;
+ case 'n':
+ if (stepMode) {
+ nextFrame = 1;
+ }
+ break;
+ case 'a':
+ spinMode = !spinMode;
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_FALSE;
+ frames = 10;
+ widthX = 10;
+ widthY = 10;
+ checkerSize = 2;
+ height = 0.2;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-grid") == 0) {
+ if (i+2 >= argc || argv[i+1][0] == '-' || argv[i+2][0] == '-') {
+ printf("-grid (No numbers).\n");
+ return GL_FALSE;
+ } else {
+ widthX = atoi(argv[++i]);
+ widthY = atoi(argv[++i]);
+ }
+ } else if (strcmp(argv[i], "-size") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-checker (No number).\n");
+ return GL_FALSE;
+ } else {
+ checkerSize = atoi(argv[++i]);
+ }
+ } else if (strcmp(argv[i], "-wave") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-wave (No number).\n");
+ return GL_FALSE;
+ } else {
+ height = atof(argv[++i]);
+ }
+ } else if (strcmp(argv[i], "-frames") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-frames (No number).\n");
+ return GL_FALSE;
+ } else {
+ frames = atoi(argv[++i]);
+ }
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+ type = GLUT_DEPTH;
+ type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("Wave Demo") == GL_FALSE) {
+ exit(1);
+ }
+
+ InitMap();
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Animate);
+ glutIdleFunc(glut_post_redisplay_p);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/util/README b/progs/util/README
new file mode 100644
index 0000000000..ca89d34bd3
--- /dev/null
+++ b/progs/util/README
@@ -0,0 +1,22 @@
+
+This directory is a collection of function which may be useful to
+OpenGL/Mesa programmers.
+
+
+errcheck.c - an OpenGL error check/report function
+glutskel.c - handy skeleton for GLUT programs
+idproj.c - setup an identity projection
+mwmborder.c - remove Motif window decoration/border
+winpos.c - set absolute window raster position
+readtex.c - load textures/mipmaps from an .rgb file
+showbuffer.[ch] - show depth, alpha, or stencil buffer contents
+glstate.[ch] - query/print GL state variables, for debugging, etc.
+sampleMakefile - example Makefile for making OpenGL/Mesa apps on Unix
+dumpsate.c - dump all OpenGL state, from Stephane Rehel
+imagesgi.cpp,.h - read SGI image files
+
+
+more to come...
+
+----------------------------------------------------------------------
+$Id: README,v 1.1 1999/08/19 00:55:42 jtg Exp $
diff --git a/progs/util/dumpstate.c b/progs/util/dumpstate.c
new file mode 100644
index 0000000000..4c039a40f9
--- /dev/null
+++ b/progs/util/dumpstate.c
@@ -0,0 +1,1959 @@
+
+/*
+ *
+ * From: Stephane Rehel <rehel@worldnet.fr>
+ * Date: Mon, 31 May 1999 18:40:54 -0400
+ * To: Paul Brian <brianp@ra.avid.com>
+ * Subject: OpenGL State Dump Function
+ *
+ * Here is a function that dumps the current OpenGL state. I wrote it
+ * some time ago.
+ *
+ * In the attachment:
+ * + the code itself
+ * + its output
+ *
+ * I think Mesa is wrong on some getBooleanv(). For example, GL_VERTEX_ARRAY
+ * is queried by IsEnabled() (cf. p. 196 of the spec). But on page 193
+ * we can read that all the boolean attribs that can be queried by IsEnabled()
+ * can also be queried by IsEnabled().
+ *
+ * I had duplicated all the enums (LOCAL_*) so that the code can run on any
+ * OpenGL version, even if an enum is not recognized.
+ *
+ * The code can be shipped in the public domain.
+ *
+ * Stephane.
+ */
+
+
+/*
+ * Stephane Rehel
+ * Creation: February 5 1999
+ */
+
+#include <stdio.h>
+#include <GL/gl.h>
+
+/***************************************************************************/
+
+enum {
+ /* Data types */
+ LOCAL_GL_BYTE = 0x1400,
+ LOCAL_GL_UNSIGNED_BYTE = 0x1401,
+ LOCAL_GL_SHORT = 0x1402,
+ LOCAL_GL_UNSIGNED_SHORT = 0x1403,
+ LOCAL_GL_INT = 0x1404,
+ LOCAL_GL_UNSIGNED_INT = 0x1405,
+ LOCAL_GL_FLOAT = 0x1406,
+ LOCAL_GL_DOUBLE = 0x140A,
+ LOCAL_GL_2_BYTES = 0x1407,
+ LOCAL_GL_3_BYTES = 0x1408,
+ LOCAL_GL_4_BYTES = 0x1409,
+
+ /* Primitives */
+ LOCAL_GL_LINES = 0x0001,
+ LOCAL_GL_POINTS = 0x0000,
+ LOCAL_GL_LINE_STRIP = 0x0003,
+ LOCAL_GL_LINE_LOOP = 0x0002,
+ LOCAL_GL_TRIANGLES = 0x0004,
+ LOCAL_GL_TRIANGLE_STRIP = 0x0005,
+ LOCAL_GL_TRIANGLE_FAN = 0x0006,
+ LOCAL_GL_QUADS = 0x0007,
+ LOCAL_GL_QUAD_STRIP = 0x0008,
+ LOCAL_GL_POLYGON = 0x0009,
+ LOCAL_GL_EDGE_FLAG = 0x0B43,
+
+ /* Vertex Arrays */
+ LOCAL_GL_VERTEX_ARRAY = 0x8074,
+ LOCAL_GL_NORMAL_ARRAY = 0x8075,
+ LOCAL_GL_COLOR_ARRAY = 0x8076,
+ LOCAL_GL_INDEX_ARRAY = 0x8077,
+ LOCAL_GL_TEXTURE_COORD_ARRAY = 0x8078,
+ LOCAL_GL_EDGE_FLAG_ARRAY = 0x8079,
+ LOCAL_GL_VERTEX_ARRAY_SIZE = 0x807A,
+ LOCAL_GL_VERTEX_ARRAY_TYPE = 0x807B,
+ LOCAL_GL_VERTEX_ARRAY_STRIDE = 0x807C,
+ LOCAL_GL_NORMAL_ARRAY_TYPE = 0x807E,
+ LOCAL_GL_NORMAL_ARRAY_STRIDE = 0x807F,
+ LOCAL_GL_COLOR_ARRAY_SIZE = 0x8081,
+ LOCAL_GL_COLOR_ARRAY_TYPE = 0x8082,
+ LOCAL_GL_COLOR_ARRAY_STRIDE = 0x8083,
+ LOCAL_GL_INDEX_ARRAY_TYPE = 0x8085,
+ LOCAL_GL_INDEX_ARRAY_STRIDE = 0x8086,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_SIZE = 0x8088,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_TYPE = 0x8089,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_STRIDE = 0x808A,
+ LOCAL_GL_EDGE_FLAG_ARRAY_STRIDE = 0x808C,
+ LOCAL_GL_VERTEX_ARRAY_POINTER = 0x808E,
+ LOCAL_GL_NORMAL_ARRAY_POINTER = 0x808F,
+ LOCAL_GL_COLOR_ARRAY_POINTER = 0x8090,
+ LOCAL_GL_INDEX_ARRAY_POINTER = 0x8091,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_POINTER = 0x8092,
+ LOCAL_GL_EDGE_FLAG_ARRAY_POINTER = 0x8093,
+ LOCAL_GL_V2F = 0x2A20,
+ LOCAL_GL_V3F = 0x2A21,
+ LOCAL_GL_C4UB_V2F = 0x2A22,
+ LOCAL_GL_C4UB_V3F = 0x2A23,
+ LOCAL_GL_C3F_V3F = 0x2A24,
+ LOCAL_GL_N3F_V3F = 0x2A25,
+ LOCAL_GL_C4F_N3F_V3F = 0x2A26,
+ LOCAL_GL_T2F_V3F = 0x2A27,
+ LOCAL_GL_T4F_V4F = 0x2A28,
+ LOCAL_GL_T2F_C4UB_V3F = 0x2A29,
+ LOCAL_GL_T2F_C3F_V3F = 0x2A2A,
+ LOCAL_GL_T2F_N3F_V3F = 0x2A2B,
+ LOCAL_GL_T2F_C4F_N3F_V3F = 0x2A2C,
+ LOCAL_GL_T4F_C4F_N3F_V4F = 0x2A2D,
+
+ /* Matrix Mode */
+ LOCAL_GL_MATRIX_MODE = 0x0BA0,
+ LOCAL_GL_MODELVIEW = 0x1700,
+ LOCAL_GL_PROJECTION = 0x1701,
+ LOCAL_GL_TEXTURE = 0x1702,
+
+ /* Points */
+ LOCAL_GL_POINT_SMOOTH = 0x0B10,
+ LOCAL_GL_POINT_SIZE = 0x0B11,
+ LOCAL_GL_POINT_SIZE_GRANULARITY = 0x0B13,
+ LOCAL_GL_POINT_SIZE_RANGE = 0x0B12,
+
+ /* Lines */
+ LOCAL_GL_LINE_SMOOTH = 0x0B20,
+ LOCAL_GL_LINE_STIPPLE = 0x0B24,
+ LOCAL_GL_LINE_STIPPLE_PATTERN = 0x0B25,
+ LOCAL_GL_LINE_STIPPLE_REPEAT = 0x0B26,
+ LOCAL_GL_LINE_WIDTH = 0x0B21,
+ LOCAL_GL_LINE_WIDTH_GRANULARITY = 0x0B23,
+ LOCAL_GL_LINE_WIDTH_RANGE = 0x0B22,
+
+ /* Polygons */
+ LOCAL_GL_POINT = 0x1B00,
+ LOCAL_GL_LINE = 0x1B01,
+ LOCAL_GL_FILL = 0x1B02,
+ LOCAL_GL_CCW = 0x0901,
+ LOCAL_GL_CW = 0x0900,
+ LOCAL_GL_FRONT = 0x0404,
+ LOCAL_GL_BACK = 0x0405,
+ LOCAL_GL_CULL_FACE = 0x0B44,
+ LOCAL_GL_CULL_FACE_MODE = 0x0B45,
+ LOCAL_GL_POLYGON_SMOOTH = 0x0B41,
+ LOCAL_GL_POLYGON_STIPPLE = 0x0B42,
+ LOCAL_GL_FRONT_FACE = 0x0B46,
+ LOCAL_GL_POLYGON_MODE = 0x0B40,
+ LOCAL_GL_POLYGON_OFFSET_FACTOR = 0x8038,
+ LOCAL_GL_POLYGON_OFFSET_UNITS = 0x2A00,
+ LOCAL_GL_POLYGON_OFFSET_POINT = 0x2A01,
+ LOCAL_GL_POLYGON_OFFSET_LINE = 0x2A02,
+ LOCAL_GL_POLYGON_OFFSET_FILL = 0x8037,
+
+ /* Display Lists */
+ LOCAL_GL_COMPILE = 0x1300,
+ LOCAL_GL_COMPILE_AND_EXECUTE = 0x1301,
+ LOCAL_GL_LIST_BASE = 0x0B32,
+ LOCAL_GL_LIST_INDEX = 0x0B33,
+ LOCAL_GL_LIST_MODE = 0x0B30,
+
+ /* Depth buffer */
+ LOCAL_GL_NEVER = 0x0200,
+ LOCAL_GL_LESS = 0x0201,
+ LOCAL_GL_GEQUAL = 0x0206,
+ LOCAL_GL_LEQUAL = 0x0203,
+ LOCAL_GL_GREATER = 0x0204,
+ LOCAL_GL_NOTEQUAL = 0x0205,
+ LOCAL_GL_EQUAL = 0x0202,
+ LOCAL_GL_ALWAYS = 0x0207,
+ LOCAL_GL_DEPTH_TEST = 0x0B71,
+ LOCAL_GL_DEPTH_BITS = 0x0D56,
+ LOCAL_GL_DEPTH_CLEAR_VALUE = 0x0B73,
+ LOCAL_GL_DEPTH_FUNC = 0x0B74,
+ LOCAL_GL_DEPTH_RANGE = 0x0B70,
+ LOCAL_GL_DEPTH_WRITEMASK = 0x0B72,
+ LOCAL_GL_DEPTH_COMPONENT = 0x1902,
+
+ /* Lighting */
+ LOCAL_GL_LIGHTING = 0x0B50,
+ LOCAL_GL_LIGHT0 = 0x4000,
+ LOCAL_GL_LIGHT1 = 0x4001,
+ LOCAL_GL_LIGHT2 = 0x4002,
+ LOCAL_GL_LIGHT3 = 0x4003,
+ LOCAL_GL_LIGHT4 = 0x4004,
+ LOCAL_GL_LIGHT5 = 0x4005,
+ LOCAL_GL_LIGHT6 = 0x4006,
+ LOCAL_GL_LIGHT7 = 0x4007,
+ LOCAL_GL_SPOT_EXPONENT = 0x1205,
+ LOCAL_GL_SPOT_CUTOFF = 0x1206,
+ LOCAL_GL_CONSTANT_ATTENUATION = 0x1207,
+ LOCAL_GL_LINEAR_ATTENUATION = 0x1208,
+ LOCAL_GL_QUADRATIC_ATTENUATION = 0x1209,
+ LOCAL_GL_AMBIENT = 0x1200,
+ LOCAL_GL_DIFFUSE = 0x1201,
+ LOCAL_GL_SPECULAR = 0x1202,
+ LOCAL_GL_SHININESS = 0x1601,
+ LOCAL_GL_EMISSION = 0x1600,
+ LOCAL_GL_POSITION = 0x1203,
+ LOCAL_GL_SPOT_DIRECTION = 0x1204,
+ LOCAL_GL_AMBIENT_AND_DIFFUSE = 0x1602,
+ LOCAL_GL_COLOR_INDEXES = 0x1603,
+ LOCAL_GL_LIGHT_MODEL_TWO_SIDE = 0x0B52,
+ LOCAL_GL_LIGHT_MODEL_LOCAL_VIEWER = 0x0B51,
+ LOCAL_GL_LIGHT_MODEL_AMBIENT = 0x0B53,
+ LOCAL_GL_FRONT_AND_BACK = 0x0408,
+ LOCAL_GL_SHADE_MODEL = 0x0B54,
+ LOCAL_GL_FLAT = 0x1D00,
+ LOCAL_GL_SMOOTH = 0x1D01,
+ LOCAL_GL_COLOR_MATERIAL = 0x0B57,
+ LOCAL_GL_COLOR_MATERIAL_FACE = 0x0B55,
+ LOCAL_GL_COLOR_MATERIAL_PARAMETER = 0x0B56,
+ LOCAL_GL_NORMALIZE = 0x0BA1,
+
+ /* User clipping planes */
+ LOCAL_GL_CLIP_PLANE0 = 0x3000,
+ LOCAL_GL_CLIP_PLANE1 = 0x3001,
+ LOCAL_GL_CLIP_PLANE2 = 0x3002,
+ LOCAL_GL_CLIP_PLANE3 = 0x3003,
+ LOCAL_GL_CLIP_PLANE4 = 0x3004,
+ LOCAL_GL_CLIP_PLANE5 = 0x3005,
+
+ /* Accumulation buffer */
+ LOCAL_GL_ACCUM_RED_BITS = 0x0D58,
+ LOCAL_GL_ACCUM_GREEN_BITS = 0x0D59,
+ LOCAL_GL_ACCUM_BLUE_BITS = 0x0D5A,
+ LOCAL_GL_ACCUM_ALPHA_BITS = 0x0D5B,
+ LOCAL_GL_ACCUM_CLEAR_VALUE = 0x0B80,
+ LOCAL_GL_ACCUM = 0x0100,
+ LOCAL_GL_ADD = 0x0104,
+ LOCAL_GL_LOAD = 0x0101,
+ LOCAL_GL_MULT = 0x0103,
+ LOCAL_GL_RETURN = 0x0102,
+
+ /* Alpha testing */
+ LOCAL_GL_ALPHA_TEST = 0x0BC0,
+ LOCAL_GL_ALPHA_TEST_REF = 0x0BC2,
+ LOCAL_GL_ALPHA_TEST_FUNC = 0x0BC1,
+
+ /* Blending */
+ LOCAL_GL_BLEND = 0x0BE2,
+ LOCAL_GL_BLEND_SRC = 0x0BE1,
+ LOCAL_GL_BLEND_DST = 0x0BE0,
+ LOCAL_GL_ZERO = 0,
+ LOCAL_GL_ONE = 1,
+ LOCAL_GL_SRC_COLOR = 0x0300,
+ LOCAL_GL_ONE_MINUS_SRC_COLOR = 0x0301,
+ LOCAL_GL_DST_COLOR = 0x0306,
+ LOCAL_GL_ONE_MINUS_DST_COLOR = 0x0307,
+ LOCAL_GL_SRC_ALPHA = 0x0302,
+ LOCAL_GL_ONE_MINUS_SRC_ALPHA = 0x0303,
+ LOCAL_GL_DST_ALPHA = 0x0304,
+ LOCAL_GL_ONE_MINUS_DST_ALPHA = 0x0305,
+ LOCAL_GL_SRC_ALPHA_SATURATE = 0x0308,
+ LOCAL_GL_CONSTANT_COLOR = 0x8001,
+ LOCAL_GL_ONE_MINUS_CONSTANT_COLOR = 0x8002,
+ LOCAL_GL_CONSTANT_ALPHA = 0x8003,
+ LOCAL_GL_ONE_MINUS_CONSTANT_ALPHA = 0x8004,
+
+ /* Render Mode */
+ LOCAL_GL_FEEDBACK = 0x1C01,
+ LOCAL_GL_RENDER = 0x1C00,
+ LOCAL_GL_SELECT = 0x1C02,
+
+ /* Feedback */
+ LOCAL_GL_2D = 0x0600,
+ LOCAL_GL_3D = 0x0601,
+ LOCAL_GL_3D_COLOR = 0x0602,
+ LOCAL_GL_3D_COLOR_TEXTURE = 0x0603,
+ LOCAL_GL_4D_COLOR_TEXTURE = 0x0604,
+ LOCAL_GL_POINT_TOKEN = 0x0701,
+ LOCAL_GL_LINE_TOKEN = 0x0702,
+ LOCAL_GL_LINE_RESET_TOKEN = 0x0707,
+ LOCAL_GL_POLYGON_TOKEN = 0x0703,
+ LOCAL_GL_BITMAP_TOKEN = 0x0704,
+ LOCAL_GL_DRAW_PIXEL_TOKEN = 0x0705,
+ LOCAL_GL_COPY_PIXEL_TOKEN = 0x0706,
+ LOCAL_GL_PASS_THROUGH_TOKEN = 0x0700,
+ LOCAL_GL_FEEDBACK_BUFFER_POINTER = 0x0DF0,
+ LOCAL_GL_FEEDBACK_BUFFER_SIZE = 0x0DF1,
+ LOCAL_GL_FEEDBACK_BUFFER_TYPE = 0x0DF2,
+
+ /* Selection */
+ LOCAL_GL_SELECTION_BUFFER_POINTER = 0x0DF3,
+ LOCAL_GL_SELECTION_BUFFER_SIZE = 0x0DF4,
+
+ /* Fog */
+ LOCAL_GL_FOG = 0x0B60,
+ LOCAL_GL_FOG_MODE = 0x0B65,
+ LOCAL_GL_FOG_DENSITY = 0x0B62,
+ LOCAL_GL_FOG_COLOR = 0x0B66,
+ LOCAL_GL_FOG_INDEX = 0x0B61,
+ LOCAL_GL_FOG_START = 0x0B63,
+ LOCAL_GL_FOG_END = 0x0B64,
+ LOCAL_GL_LINEAR = 0x2601,
+ LOCAL_GL_EXP = 0x0800,
+ LOCAL_GL_EXP2 = 0x0801,
+
+ /* Logic Ops */
+ LOCAL_GL_LOGIC_OP = 0x0BF1,
+ LOCAL_GL_INDEX_LOGIC_OP = 0x0BF1,
+ LOCAL_GL_COLOR_LOGIC_OP = 0x0BF2,
+ LOCAL_GL_LOGIC_OP_MODE = 0x0BF0,
+ LOCAL_GL_CLEAR = 0x1500,
+ LOCAL_GL_SET = 0x150F,
+ LOCAL_GL_COPY = 0x1503,
+ LOCAL_GL_COPY_INVERTED = 0x150C,
+ LOCAL_GL_NOOP = 0x1505,
+ LOCAL_GL_INVERT = 0x150A,
+ LOCAL_GL_AND = 0x1501,
+ LOCAL_GL_NAND = 0x150E,
+ LOCAL_GL_OR = 0x1507,
+ LOCAL_GL_NOR = 0x1508,
+ LOCAL_GL_XOR = 0x1506,
+ LOCAL_GL_EQUIV = 0x1509,
+ LOCAL_GL_AND_REVERSE = 0x1502,
+ LOCAL_GL_AND_INVERTED = 0x1504,
+ LOCAL_GL_OR_REVERSE = 0x150B,
+ LOCAL_GL_OR_INVERTED = 0x150D,
+
+ /* Stencil */
+ LOCAL_GL_STENCIL_TEST = 0x0B90,
+ LOCAL_GL_STENCIL_WRITEMASK = 0x0B98,
+ LOCAL_GL_STENCIL_BITS = 0x0D57,
+ LOCAL_GL_STENCIL_FUNC = 0x0B92,
+ LOCAL_GL_STENCIL_VALUE_MASK = 0x0B93,
+ LOCAL_GL_STENCIL_REF = 0x0B97,
+ LOCAL_GL_STENCIL_FAIL = 0x0B94,
+ LOCAL_GL_STENCIL_PASS_DEPTH_PASS = 0x0B96,
+ LOCAL_GL_STENCIL_PASS_DEPTH_FAIL = 0x0B95,
+ LOCAL_GL_STENCIL_CLEAR_VALUE = 0x0B91,
+ LOCAL_GL_STENCIL_INDEX = 0x1901,
+ LOCAL_GL_KEEP = 0x1E00,
+ LOCAL_GL_REPLACE = 0x1E01,
+ LOCAL_GL_INCR = 0x1E02,
+ LOCAL_GL_DECR = 0x1E03,
+
+ /* Buffers, Pixel Drawing/Reading */
+ LOCAL_GL_NONE = 0,
+ LOCAL_GL_LEFT = 0x0406,
+ LOCAL_GL_RIGHT = 0x0407,
+ /*LOCAL_GL_FRONT = 0x0404, */
+ /*LOCAL_GL_BACK = 0x0405, */
+ /*LOCAL_GL_FRONT_AND_BACK = 0x0408, */
+ LOCAL_GL_FRONT_LEFT = 0x0400,
+ LOCAL_GL_FRONT_RIGHT = 0x0401,
+ LOCAL_GL_BACK_LEFT = 0x0402,
+ LOCAL_GL_BACK_RIGHT = 0x0403,
+ LOCAL_GL_AUX0 = 0x0409,
+ LOCAL_GL_AUX1 = 0x040A,
+ LOCAL_GL_AUX2 = 0x040B,
+ LOCAL_GL_AUX3 = 0x040C,
+ LOCAL_GL_COLOR_INDEX = 0x1900,
+ LOCAL_GL_RED = 0x1903,
+ LOCAL_GL_GREEN = 0x1904,
+ LOCAL_GL_BLUE = 0x1905,
+ LOCAL_GL_ALPHA = 0x1906,
+ LOCAL_GL_LUMINANCE = 0x1909,
+ LOCAL_GL_LUMINANCE_ALPHA = 0x190A,
+ LOCAL_GL_ALPHA_BITS = 0x0D55,
+ LOCAL_GL_RED_BITS = 0x0D52,
+ LOCAL_GL_GREEN_BITS = 0x0D53,
+ LOCAL_GL_BLUE_BITS = 0x0D54,
+ LOCAL_GL_INDEX_BITS = 0x0D51,
+ LOCAL_GL_SUBPIXEL_BITS = 0x0D50,
+ LOCAL_GL_AUX_BUFFERS = 0x0C00,
+ LOCAL_GL_READ_BUFFER = 0x0C02,
+ LOCAL_GL_DRAW_BUFFER = 0x0C01,
+ LOCAL_GL_DOUBLEBUFFER = 0x0C32,
+ LOCAL_GL_STEREO = 0x0C33,
+ LOCAL_GL_BITMAP = 0x1A00,
+ LOCAL_GL_COLOR = 0x1800,
+ LOCAL_GL_DEPTH = 0x1801,
+ LOCAL_GL_STENCIL = 0x1802,
+ LOCAL_GL_DITHER = 0x0BD0,
+ LOCAL_GL_RGB = 0x1907,
+ LOCAL_GL_RGBA = 0x1908,
+
+ /* Implementation limits */
+ LOCAL_GL_MAX_LIST_NESTING = 0x0B31,
+ LOCAL_GL_MAX_ATTRIB_STACK_DEPTH = 0x0D35,
+ LOCAL_GL_MAX_MODELVIEW_STACK_DEPTH = 0x0D36,
+ LOCAL_GL_MAX_NAME_STACK_DEPTH = 0x0D37,
+ LOCAL_GL_MAX_PROJECTION_STACK_DEPTH = 0x0D38,
+ LOCAL_GL_MAX_TEXTURE_STACK_DEPTH = 0x0D39,
+ LOCAL_GL_MAX_EVAL_ORDER = 0x0D30,
+ LOCAL_GL_MAX_LIGHTS = 0x0D31,
+ LOCAL_GL_MAX_CLIP_PLANES = 0x0D32,
+ LOCAL_GL_MAX_TEXTURE_SIZE = 0x0D33,
+ LOCAL_GL_MAX_PIXEL_MAP_TABLE = 0x0D34,
+ LOCAL_GL_MAX_VIEWPORT_DIMS = 0x0D3A,
+ LOCAL_GL_MAX_CLIENT_ATTRIB_STACK_DEPTH= 0x0D3B,
+
+ /* Gets */
+ LOCAL_GL_ATTRIB_STACK_DEPTH = 0x0BB0,
+ LOCAL_GL_CLIENT_ATTRIB_STACK_DEPTH = 0x0BB1,
+ LOCAL_GL_COLOR_CLEAR_VALUE = 0x0C22,
+ LOCAL_GL_COLOR_WRITEMASK = 0x0C23,
+ LOCAL_GL_CURRENT_INDEX = 0x0B01,
+ LOCAL_GL_CURRENT_COLOR = 0x0B00,
+ LOCAL_GL_CURRENT_NORMAL = 0x0B02,
+ LOCAL_GL_CURRENT_RASTER_COLOR = 0x0B04,
+ LOCAL_GL_CURRENT_RASTER_DISTANCE = 0x0B09,
+ LOCAL_GL_CURRENT_RASTER_INDEX = 0x0B05,
+ LOCAL_GL_CURRENT_RASTER_POSITION = 0x0B07,
+ LOCAL_GL_CURRENT_RASTER_TEXTURE_COORDS = 0x0B06,
+ LOCAL_GL_CURRENT_RASTER_POSITION_VALID = 0x0B08,
+ LOCAL_GL_CURRENT_TEXTURE_COORDS = 0x0B03,
+ LOCAL_GL_INDEX_CLEAR_VALUE = 0x0C20,
+ LOCAL_GL_INDEX_MODE = 0x0C30,
+ LOCAL_GL_INDEX_WRITEMASK = 0x0C21,
+ LOCAL_GL_MODELVIEW_MATRIX = 0x0BA6,
+ LOCAL_GL_MODELVIEW_STACK_DEPTH = 0x0BA3,
+ LOCAL_GL_NAME_STACK_DEPTH = 0x0D70,
+ LOCAL_GL_PROJECTION_MATRIX = 0x0BA7,
+ LOCAL_GL_PROJECTION_STACK_DEPTH = 0x0BA4,
+ LOCAL_GL_RENDER_MODE = 0x0C40,
+ LOCAL_GL_RGBA_MODE = 0x0C31,
+ LOCAL_GL_TEXTURE_MATRIX = 0x0BA8,
+ LOCAL_GL_TEXTURE_STACK_DEPTH = 0x0BA5,
+ LOCAL_GL_VIEWPORT = 0x0BA2,
+
+
+ /* Evaluators */
+ LOCAL_GL_AUTO_NORMAL = 0x0D80,
+ LOCAL_GL_MAP1_COLOR_4 = 0x0D90,
+ LOCAL_GL_MAP1_GRID_DOMAIN = 0x0DD0,
+ LOCAL_GL_MAP1_GRID_SEGMENTS = 0x0DD1,
+ LOCAL_GL_MAP1_INDEX = 0x0D91,
+ LOCAL_GL_MAP1_NORMAL = 0x0D92,
+ LOCAL_GL_MAP1_TEXTURE_COORD_1 = 0x0D93,
+ LOCAL_GL_MAP1_TEXTURE_COORD_2 = 0x0D94,
+ LOCAL_GL_MAP1_TEXTURE_COORD_3 = 0x0D95,
+ LOCAL_GL_MAP1_TEXTURE_COORD_4 = 0x0D96,
+ LOCAL_GL_MAP1_VERTEX_3 = 0x0D97,
+ LOCAL_GL_MAP1_VERTEX_4 = 0x0D98,
+ LOCAL_GL_MAP2_COLOR_4 = 0x0DB0,
+ LOCAL_GL_MAP2_GRID_DOMAIN = 0x0DD2,
+ LOCAL_GL_MAP2_GRID_SEGMENTS = 0x0DD3,
+ LOCAL_GL_MAP2_INDEX = 0x0DB1,
+ LOCAL_GL_MAP2_NORMAL = 0x0DB2,
+ LOCAL_GL_MAP2_TEXTURE_COORD_1 = 0x0DB3,
+ LOCAL_GL_MAP2_TEXTURE_COORD_2 = 0x0DB4,
+ LOCAL_GL_MAP2_TEXTURE_COORD_3 = 0x0DB5,
+ LOCAL_GL_MAP2_TEXTURE_COORD_4 = 0x0DB6,
+ LOCAL_GL_MAP2_VERTEX_3 = 0x0DB7,
+ LOCAL_GL_MAP2_VERTEX_4 = 0x0DB8,
+ LOCAL_GL_COEFF = 0x0A00,
+ LOCAL_GL_DOMAIN = 0x0A02,
+ LOCAL_GL_ORDER = 0x0A01,
+
+ /* Hints */
+ LOCAL_GL_FOG_HINT = 0x0C54,
+ LOCAL_GL_LINE_SMOOTH_HINT = 0x0C52,
+ LOCAL_GL_PERSPECTIVE_CORRECTION_HINT = 0x0C50,
+ LOCAL_GL_POINT_SMOOTH_HINT = 0x0C51,
+ LOCAL_GL_POLYGON_SMOOTH_HINT = 0x0C53,
+ LOCAL_GL_DONT_CARE = 0x1100,
+ LOCAL_GL_FASTEST = 0x1101,
+ LOCAL_GL_NICEST = 0x1102,
+
+ /* Scissor box */
+ LOCAL_GL_SCISSOR_TEST = 0x0C11,
+ LOCAL_GL_SCISSOR_BOX = 0x0C10,
+
+ /* Pixel Mode / Transfer */
+ LOCAL_GL_MAP_COLOR = 0x0D10,
+ LOCAL_GL_MAP_STENCIL = 0x0D11,
+ LOCAL_GL_INDEX_SHIFT = 0x0D12,
+ LOCAL_GL_INDEX_OFFSET = 0x0D13,
+ LOCAL_GL_RED_SCALE = 0x0D14,
+ LOCAL_GL_RED_BIAS = 0x0D15,
+ LOCAL_GL_GREEN_SCALE = 0x0D18,
+ LOCAL_GL_GREEN_BIAS = 0x0D19,
+ LOCAL_GL_BLUE_SCALE = 0x0D1A,
+ LOCAL_GL_BLUE_BIAS = 0x0D1B,
+ LOCAL_GL_ALPHA_SCALE = 0x0D1C,
+ LOCAL_GL_ALPHA_BIAS = 0x0D1D,
+ LOCAL_GL_DEPTH_SCALE = 0x0D1E,
+ LOCAL_GL_DEPTH_BIAS = 0x0D1F,
+ LOCAL_GL_PIXEL_MAP_S_TO_S_SIZE = 0x0CB1,
+ LOCAL_GL_PIXEL_MAP_I_TO_I_SIZE = 0x0CB0,
+ LOCAL_GL_PIXEL_MAP_I_TO_R_SIZE = 0x0CB2,
+ LOCAL_GL_PIXEL_MAP_I_TO_G_SIZE = 0x0CB3,
+ LOCAL_GL_PIXEL_MAP_I_TO_B_SIZE = 0x0CB4,
+ LOCAL_GL_PIXEL_MAP_I_TO_A_SIZE = 0x0CB5,
+ LOCAL_GL_PIXEL_MAP_R_TO_R_SIZE = 0x0CB6,
+ LOCAL_GL_PIXEL_MAP_G_TO_G_SIZE = 0x0CB7,
+ LOCAL_GL_PIXEL_MAP_B_TO_B_SIZE = 0x0CB8,
+ LOCAL_GL_PIXEL_MAP_A_TO_A_SIZE = 0x0CB9,
+ LOCAL_GL_PIXEL_MAP_S_TO_S = 0x0C71,
+ LOCAL_GL_PIXEL_MAP_I_TO_I = 0x0C70,
+ LOCAL_GL_PIXEL_MAP_I_TO_R = 0x0C72,
+ LOCAL_GL_PIXEL_MAP_I_TO_G = 0x0C73,
+ LOCAL_GL_PIXEL_MAP_I_TO_B = 0x0C74,
+ LOCAL_GL_PIXEL_MAP_I_TO_A = 0x0C75,
+ LOCAL_GL_PIXEL_MAP_R_TO_R = 0x0C76,
+ LOCAL_GL_PIXEL_MAP_G_TO_G = 0x0C77,
+ LOCAL_GL_PIXEL_MAP_B_TO_B = 0x0C78,
+ LOCAL_GL_PIXEL_MAP_A_TO_A = 0x0C79,
+ LOCAL_GL_PACK_ALIGNMENT = 0x0D05,
+ LOCAL_GL_PACK_LSB_FIRST = 0x0D01,
+ LOCAL_GL_PACK_ROW_LENGTH = 0x0D02,
+ LOCAL_GL_PACK_SKIP_PIXELS = 0x0D04,
+ LOCAL_GL_PACK_SKIP_ROWS = 0x0D03,
+ LOCAL_GL_PACK_SWAP_BYTES = 0x0D00,
+ LOCAL_GL_UNPACK_ALIGNMENT = 0x0CF5,
+ LOCAL_GL_UNPACK_LSB_FIRST = 0x0CF1,
+ LOCAL_GL_UNPACK_ROW_LENGTH = 0x0CF2,
+ LOCAL_GL_UNPACK_SKIP_PIXELS = 0x0CF4,
+ LOCAL_GL_UNPACK_SKIP_ROWS = 0x0CF3,
+ LOCAL_GL_UNPACK_SWAP_BYTES = 0x0CF0,
+ LOCAL_GL_ZOOM_X = 0x0D16,
+ LOCAL_GL_ZOOM_Y = 0x0D17,
+
+ /* Texture mapping */
+ LOCAL_GL_TEXTURE_ENV = 0x2300,
+ LOCAL_GL_TEXTURE_ENV_MODE = 0x2200,
+ LOCAL_GL_TEXTURE_1D = 0x0DE0,
+ LOCAL_GL_TEXTURE_2D = 0x0DE1,
+ LOCAL_GL_TEXTURE_WRAP_S = 0x2802,
+ LOCAL_GL_TEXTURE_WRAP_T = 0x2803,
+ LOCAL_GL_TEXTURE_MAG_FILTER = 0x2800,
+ LOCAL_GL_TEXTURE_MIN_FILTER = 0x2801,
+ LOCAL_GL_TEXTURE_ENV_COLOR = 0x2201,
+ LOCAL_GL_TEXTURE_GEN_S = 0x0C60,
+ LOCAL_GL_TEXTURE_GEN_T = 0x0C61,
+ LOCAL_GL_TEXTURE_GEN_MODE = 0x2500,
+ LOCAL_GL_TEXTURE_BORDER_COLOR = 0x1004,
+ LOCAL_GL_TEXTURE_WIDTH = 0x1000,
+ LOCAL_GL_TEXTURE_HEIGHT = 0x1001,
+ LOCAL_GL_TEXTURE_BORDER = 0x1005,
+ LOCAL_GL_TEXTURE_COMPONENTS = 0x1003,
+ LOCAL_GL_TEXTURE_RED_SIZE = 0x805C,
+ LOCAL_GL_TEXTURE_GREEN_SIZE = 0x805D,
+ LOCAL_GL_TEXTURE_BLUE_SIZE = 0x805E,
+ LOCAL_GL_TEXTURE_ALPHA_SIZE = 0x805F,
+ LOCAL_GL_TEXTURE_LUMINANCE_SIZE = 0x8060,
+ LOCAL_GL_TEXTURE_INTENSITY_SIZE = 0x8061,
+ LOCAL_GL_NEAREST_MIPMAP_NEAREST = 0x2700,
+ LOCAL_GL_NEAREST_MIPMAP_LINEAR = 0x2702,
+ LOCAL_GL_LINEAR_MIPMAP_NEAREST = 0x2701,
+ LOCAL_GL_LINEAR_MIPMAP_LINEAR = 0x2703,
+ LOCAL_GL_OBJECT_LINEAR = 0x2401,
+ LOCAL_GL_OBJECT_PLANE = 0x2501,
+ LOCAL_GL_EYE_LINEAR = 0x2400,
+ LOCAL_GL_EYE_PLANE = 0x2502,
+ LOCAL_GL_SPHERE_MAP = 0x2402,
+ LOCAL_GL_DECAL = 0x2101,
+ LOCAL_GL_MODULATE = 0x2100,
+ LOCAL_GL_NEAREST = 0x2600,
+ LOCAL_GL_REPEAT = 0x2901,
+ LOCAL_GL_CLAMP = 0x2900,
+ LOCAL_GL_S = 0x2000,
+ LOCAL_GL_T = 0x2001,
+ LOCAL_GL_R = 0x2002,
+ LOCAL_GL_Q = 0x2003,
+ LOCAL_GL_TEXTURE_GEN_R = 0x0C62,
+ LOCAL_GL_TEXTURE_GEN_Q = 0x0C63,
+
+ /* GL 1.1 texturing */
+ LOCAL_GL_PROXY_TEXTURE_1D = 0x8063,
+ LOCAL_GL_PROXY_TEXTURE_2D = 0x8064,
+ LOCAL_GL_TEXTURE_PRIORITY = 0x8066,
+ LOCAL_GL_TEXTURE_RESIDENT = 0x8067,
+ LOCAL_GL_TEXTURE_BINDING_1D = 0x8068,
+ LOCAL_GL_TEXTURE_BINDING_2D = 0x8069,
+ LOCAL_GL_TEXTURE_INTERNAL_FORMAT = 0x1003,
+
+ /* GL 1.2 texturing */
+ LOCAL_GL_PACK_SKIP_IMAGES = 0x806B,
+ LOCAL_GL_PACK_IMAGE_HEIGHT = 0x806C,
+ LOCAL_GL_UNPACK_SKIP_IMAGES = 0x806D,
+ LOCAL_GL_UNPACK_IMAGE_HEIGHT = 0x806E,
+ LOCAL_GL_TEXTURE_3D = 0x806F,
+ LOCAL_GL_PROXY_TEXTURE_3D = 0x8070,
+ LOCAL_GL_TEXTURE_DEPTH = 0x8071,
+ LOCAL_GL_TEXTURE_WRAP_R = 0x8072,
+ LOCAL_GL_MAX_3D_TEXTURE_SIZE = 0x8073,
+ LOCAL_GL_TEXTURE_BINDING_3D = 0x806A,
+
+ /* Internal texture formats (GL 1.1) */
+ LOCAL_GL_ALPHA4 = 0x803B,
+ LOCAL_GL_ALPHA8 = 0x803C,
+ LOCAL_GL_ALPHA12 = 0x803D,
+ LOCAL_GL_ALPHA16 = 0x803E,
+ LOCAL_GL_LUMINANCE4 = 0x803F,
+ LOCAL_GL_LUMINANCE8 = 0x8040,
+ LOCAL_GL_LUMINANCE12 = 0x8041,
+ LOCAL_GL_LUMINANCE16 = 0x8042,
+ LOCAL_GL_LUMINANCE4_ALPHA4 = 0x8043,
+ LOCAL_GL_LUMINANCE6_ALPHA2 = 0x8044,
+ LOCAL_GL_LUMINANCE8_ALPHA8 = 0x8045,
+ LOCAL_GL_LUMINANCE12_ALPHA4 = 0x8046,
+ LOCAL_GL_LUMINANCE12_ALPHA12 = 0x8047,
+ LOCAL_GL_LUMINANCE16_ALPHA16 = 0x8048,
+ LOCAL_GL_INTENSITY = 0x8049,
+ LOCAL_GL_INTENSITY4 = 0x804A,
+ LOCAL_GL_INTENSITY8 = 0x804B,
+ LOCAL_GL_INTENSITY12 = 0x804C,
+ LOCAL_GL_INTENSITY16 = 0x804D,
+ LOCAL_GL_R3_G3_B2 = 0x2A10,
+ LOCAL_GL_RGB4 = 0x804F,
+ LOCAL_GL_RGB5 = 0x8050,
+ LOCAL_GL_RGB8 = 0x8051,
+ LOCAL_GL_RGB10 = 0x8052,
+ LOCAL_GL_RGB12 = 0x8053,
+ LOCAL_GL_RGB16 = 0x8054,
+ LOCAL_GL_RGBA2 = 0x8055,
+ LOCAL_GL_RGBA4 = 0x8056,
+ LOCAL_GL_RGB5_A1 = 0x8057,
+ LOCAL_GL_RGBA8 = 0x8058,
+ LOCAL_GL_RGB10_A2 = 0x8059,
+ LOCAL_GL_RGBA12 = 0x805A,
+ LOCAL_GL_RGBA16 = 0x805B,
+
+ /* Utility */
+ LOCAL_GL_VENDOR = 0x1F00,
+ LOCAL_GL_RENDERER = 0x1F01,
+ LOCAL_GL_VERSION = 0x1F02,
+ LOCAL_GL_EXTENSIONS = 0x1F03,
+
+ /* Errors */
+ LOCAL_GL_INVALID_VALUE = 0x0501,
+ LOCAL_GL_INVALID_ENUM = 0x0500,
+ LOCAL_GL_INVALID_OPERATION = 0x0502,
+ LOCAL_GL_STACK_OVERFLOW = 0x0503,
+ LOCAL_GL_STACK_UNDERFLOW = 0x0504,
+ LOCAL_GL_OUT_OF_MEMORY = 0x0505,
+
+ /*
+ * Extensions
+ */
+
+ /* LOCAL_GL_EXT_blend_minmax and LOCAL_GL_EXT_blend_color */
+ LOCAL_GL_CONSTANT_COLOR_EXT = 0x8001,
+ LOCAL_GL_ONE_MINUS_CONSTANT_COLOR_EXT = 0x8002,
+ LOCAL_GL_CONSTANT_ALPHA_EXT = 0x8003,
+ LOCAL_GL_ONE_MINUS_CONSTANT_ALPHA_EXT = 0x8004,
+ LOCAL_GL_BLEND_EQUATION_EXT = 0x8009,
+ LOCAL_GL_MIN_EXT = 0x8007,
+ LOCAL_GL_MAX_EXT = 0x8008,
+ LOCAL_GL_FUNC_ADD_EXT = 0x8006,
+ LOCAL_GL_FUNC_SUBTRACT_EXT = 0x800A,
+ LOCAL_GL_FUNC_REVERSE_SUBTRACT_EXT = 0x800B,
+ LOCAL_GL_BLEND_COLOR_EXT = 0x8005,
+
+ /* LOCAL_GL_EXT_polygon_offset */
+ LOCAL_GL_POLYGON_OFFSET_EXT = 0x8037,
+ LOCAL_GL_POLYGON_OFFSET_FACTOR_EXT = 0x8038,
+ LOCAL_GL_POLYGON_OFFSET_BIAS_EXT = 0x8039,
+
+ /* LOCAL_GL_EXT_vertex_array */
+ LOCAL_GL_VERTEX_ARRAY_EXT = 0x8074,
+ LOCAL_GL_NORMAL_ARRAY_EXT = 0x8075,
+ LOCAL_GL_COLOR_ARRAY_EXT = 0x8076,
+ LOCAL_GL_INDEX_ARRAY_EXT = 0x8077,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_EXT = 0x8078,
+ LOCAL_GL_EDGE_FLAG_ARRAY_EXT = 0x8079,
+ LOCAL_GL_VERTEX_ARRAY_SIZE_EXT = 0x807A,
+ LOCAL_GL_VERTEX_ARRAY_TYPE_EXT = 0x807B,
+ LOCAL_GL_VERTEX_ARRAY_STRIDE_EXT = 0x807C,
+ LOCAL_GL_VERTEX_ARRAY_COUNT_EXT = 0x807D,
+ LOCAL_GL_NORMAL_ARRAY_TYPE_EXT = 0x807E,
+ LOCAL_GL_NORMAL_ARRAY_STRIDE_EXT = 0x807F,
+ LOCAL_GL_NORMAL_ARRAY_COUNT_EXT = 0x8080,
+ LOCAL_GL_COLOR_ARRAY_SIZE_EXT = 0x8081,
+ LOCAL_GL_COLOR_ARRAY_TYPE_EXT = 0x8082,
+ LOCAL_GL_COLOR_ARRAY_STRIDE_EXT = 0x8083,
+ LOCAL_GL_COLOR_ARRAY_COUNT_EXT = 0x8084,
+ LOCAL_GL_INDEX_ARRAY_TYPE_EXT = 0x8085,
+ LOCAL_GL_INDEX_ARRAY_STRIDE_EXT = 0x8086,
+ LOCAL_GL_INDEX_ARRAY_COUNT_EXT = 0x8087,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_SIZE_EXT = 0x8088,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_TYPE_EXT = 0x8089,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_STRIDE_EXT = 0x808A,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_COUNT_EXT = 0x808B,
+ LOCAL_GL_EDGE_FLAG_ARRAY_STRIDE_EXT = 0x808C,
+ LOCAL_GL_EDGE_FLAG_ARRAY_COUNT_EXT = 0x808D,
+ LOCAL_GL_VERTEX_ARRAY_POINTER_EXT = 0x808E,
+ LOCAL_GL_NORMAL_ARRAY_POINTER_EXT = 0x808F,
+ LOCAL_GL_COLOR_ARRAY_POINTER_EXT = 0x8090,
+ LOCAL_GL_INDEX_ARRAY_POINTER_EXT = 0x8091,
+ LOCAL_GL_TEXTURE_COORD_ARRAY_POINTER_EXT = 0x8092,
+ LOCAL_GL_EDGE_FLAG_ARRAY_POINTER_EXT = 0x8093,
+
+ /* LOCAL_GL_EXT_texture_object */
+ LOCAL_GL_TEXTURE_PRIORITY_EXT = 0x8066,
+ LOCAL_GL_TEXTURE_RESIDENT_EXT = 0x8067,
+ LOCAL_GL_TEXTURE_1D_BINDING_EXT = 0x8068,
+ LOCAL_GL_TEXTURE_2D_BINDING_EXT = 0x8069,
+
+ /* LOCAL_GL_EXT_texture3D */
+ LOCAL_GL_PACK_SKIP_IMAGES_EXT = 0x806B,
+ LOCAL_GL_PACK_IMAGE_HEIGHT_EXT = 0x806C,
+ LOCAL_GL_UNPACK_SKIP_IMAGES_EXT = 0x806D,
+ LOCAL_GL_UNPACK_IMAGE_HEIGHT_EXT = 0x806E,
+ LOCAL_GL_TEXTURE_3D_EXT = 0x806F,
+ LOCAL_GL_PROXY_TEXTURE_3D_EXT = 0x8070,
+ LOCAL_GL_TEXTURE_DEPTH_EXT = 0x8071,
+ LOCAL_GL_TEXTURE_WRAP_R_EXT = 0x8072,
+ LOCAL_GL_MAX_3D_TEXTURE_SIZE_EXT = 0x8073,
+ LOCAL_GL_TEXTURE_3D_BINDING_EXT = 0x806A,
+
+ /* LOCAL_GL_EXT_paletted_texture */
+ LOCAL_GL_TABLE_TOO_LARGE_EXT = 0x8031,
+ LOCAL_GL_COLOR_TABLE_FORMAT_EXT = 0x80D8,
+ LOCAL_GL_COLOR_TABLE_WIDTH_EXT = 0x80D9,
+ LOCAL_GL_COLOR_TABLE_RED_SIZE_EXT = 0x80DA,
+ LOCAL_GL_COLOR_TABLE_GREEN_SIZE_EXT = 0x80DB,
+ LOCAL_GL_COLOR_TABLE_BLUE_SIZE_EXT = 0x80DC,
+ LOCAL_GL_COLOR_TABLE_ALPHA_SIZE_EXT = 0x80DD,
+ LOCAL_GL_COLOR_TABLE_LUMINANCE_SIZE_EXT = 0x80DE,
+ LOCAL_GL_COLOR_TABLE_INTENSITY_SIZE_EXT = 0x80DF,
+ LOCAL_GL_TEXTURE_INDEX_SIZE_EXT = 0x80ED,
+ LOCAL_GL_COLOR_INDEX1_EXT = 0x80E2,
+ LOCAL_GL_COLOR_INDEX2_EXT = 0x80E3,
+ LOCAL_GL_COLOR_INDEX4_EXT = 0x80E4,
+ LOCAL_GL_COLOR_INDEX8_EXT = 0x80E5,
+ LOCAL_GL_COLOR_INDEX12_EXT = 0x80E6,
+ LOCAL_GL_COLOR_INDEX16_EXT = 0x80E7,
+
+ /* LOCAL_GL_EXT_shared_texture_palette */
+ LOCAL_GL_SHARED_TEXTURE_PALETTE_EXT = 0x81FB,
+
+ /* LOCAL_GL_EXT_point_parameters */
+ LOCAL_GL_POINT_SIZE_MIN_EXT = 0x8126,
+ LOCAL_GL_POINT_SIZE_MAX_EXT = 0x8127,
+ LOCAL_GL_POINT_FADE_THRESHOLD_SIZE_EXT = 0x8128,
+ LOCAL_GL_DISTANCE_ATTENUATION_EXT = 0x8129,
+
+ /* LOCAL_GL_EXT_rescale_normal */
+ LOCAL_GL_RESCALE_NORMAL_EXT = 0x803A,
+
+ /* LOCAL_GL_EXT_abgr */
+ LOCAL_GL_ABGR_EXT = 0x8000,
+
+ /* LOCAL_GL_SGIS_multitexture */
+ LOCAL_GL_SELECTED_TEXTURE_SGIS = 0x835C,
+ LOCAL_GL_SELECTED_TEXTURE_COORD_SET_SGIS = 0x835D,
+ LOCAL_GL_MAX_TEXTURES_SGIS = 0x835E,
+ LOCAL_GL_TEXTURE0_SGIS = 0x835F,
+ LOCAL_GL_TEXTURE1_SGIS = 0x8360,
+ LOCAL_GL_TEXTURE2_SGIS = 0x8361,
+ LOCAL_GL_TEXTURE3_SGIS = 0x8362,
+ LOCAL_GL_TEXTURE_COORD_SET_SOURCE_SGIS = 0x8363,
+
+ /* LOCAL_GL_EXT_multitexture */
+ LOCAL_GL_SELECTED_TEXTURE_EXT = 0x83C0,
+ LOCAL_GL_SELECTED_TEXTURE_COORD_SET_EXT = 0x83C1,
+ LOCAL_GL_SELECTED_TEXTURE_TRANSFORM_EXT = 0x83C2,
+ LOCAL_GL_MAX_TEXTURES_EXT = 0x83C3,
+ LOCAL_GL_MAX_TEXTURE_COORD_SETS_EXT = 0x83C4,
+ LOCAL_GL_TEXTURE_ENV_COORD_SET_EXT = 0x83C5,
+ LOCAL_GL_TEXTURE0_EXT = 0x83C6,
+ LOCAL_GL_TEXTURE1_EXT = 0x83C7,
+ LOCAL_GL_TEXTURE2_EXT = 0x83C8,
+ LOCAL_GL_TEXTURE3_EXT = 0x83C9,
+
+ /* LOCAL_GL_SGIS_texture_edge_clamp */
+ LOCAL_GL_CLAMP_TO_EDGE_SGIS = 0x812F,
+
+ /* OpenGL 1.2 */
+ LOCAL_GL_RESCALE_NORMAL = 0x803A,
+ LOCAL_GL_CLAMP_TO_EDGE = 0x812F,
+ LOCAL_GL_MAX_ELEMENTS_VERTICES = 0xF0E8,
+ LOCAL_GL_MAX_ELEMENTS_INDICES = 0xF0E9,
+ LOCAL_GL_BGR = 0x80E0,
+ LOCAL_GL_BGRA = 0x80E1,
+ LOCAL_GL_UNSIGNED_BYTE_3_3_2 = 0x8032,
+ LOCAL_GL_UNSIGNED_BYTE_2_3_3_REV = 0x8362,
+ LOCAL_GL_UNSIGNED_SHORT_5_6_5 = 0x8363,
+ LOCAL_GL_UNSIGNED_SHORT_5_6_5_REV = 0x8364,
+ LOCAL_GL_UNSIGNED_SHORT_4_4_4_4 = 0x8033,
+ LOCAL_GL_UNSIGNED_SHORT_4_4_4_4_REV = 0x8365,
+ LOCAL_GL_UNSIGNED_SHORT_5_5_5_1 = 0x8034,
+ LOCAL_GL_UNSIGNED_SHORT_1_5_5_5_REV = 0x8366,
+ LOCAL_GL_UNSIGNED_INT_8_8_8_8 = 0x8035,
+ LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV = 0x8367,
+ LOCAL_GL_UNSIGNED_INT_10_10_10_2 = 0x8036,
+ LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV = 0x8368,
+ LOCAL_GL_LIGHT_MODEL_COLOR_CONTROL = 0x81F8,
+ LOCAL_GL_SINGLE_COLOR = 0x81F9,
+ LOCAL_GL_SEPARATE_SPECULAR_COLOR = 0x81FA,
+ LOCAL_GL_TEXTURE_MIN_LOD = 0x813A,
+ LOCAL_GL_TEXTURE_MAX_LOD = 0x813B,
+ LOCAL_GL_TEXTURE_BASE_LEVEL = 0x813C,
+ LOCAL_GL_TEXTURE_MAX_LEVEL = 0x813D
+};
+
+typedef struct { GLenum e; const char* name; } ENUM;
+#define EDEF(VAR) { (GLenum)(LOCAL_GL_##VAR), #VAR }
+
+static ENUM enums[] =
+ {
+ EDEF(BYTE),
+ EDEF(UNSIGNED_BYTE),
+ EDEF(SHORT),
+ EDEF(UNSIGNED_SHORT),
+ EDEF(INT),
+ EDEF(UNSIGNED_INT),
+ EDEF(FLOAT),
+ EDEF(DOUBLE),
+ EDEF(2_BYTES),
+ EDEF(3_BYTES),
+ EDEF(4_BYTES),
+/*
+ EDEF(LINES),
+ EDEF(POINTS),
+ EDEF(LINE_STRIP),
+ EDEF(LINE_LOOP),
+ EDEF(TRIANGLES),
+ EDEF(TRIANGLE_STRIP),
+ EDEF(TRIANGLE_FAN),
+ EDEF(QUADS),
+ EDEF(QUAD_STRIP),
+ EDEF(POLYGON),
+ EDEF(EDGE_FLAG),
+*/
+ EDEF(VERTEX_ARRAY),
+ EDEF(NORMAL_ARRAY),
+ EDEF(COLOR_ARRAY),
+ EDEF(INDEX_ARRAY),
+ EDEF(TEXTURE_COORD_ARRAY),
+ EDEF(EDGE_FLAG_ARRAY),
+ EDEF(VERTEX_ARRAY_SIZE),
+ EDEF(VERTEX_ARRAY_TYPE),
+ EDEF(VERTEX_ARRAY_STRIDE),
+ EDEF(NORMAL_ARRAY_TYPE),
+ EDEF(NORMAL_ARRAY_STRIDE),
+ EDEF(COLOR_ARRAY_SIZE),
+ EDEF(COLOR_ARRAY_TYPE),
+ EDEF(COLOR_ARRAY_STRIDE),
+ EDEF(INDEX_ARRAY_TYPE),
+ EDEF(INDEX_ARRAY_STRIDE),
+ EDEF(TEXTURE_COORD_ARRAY_SIZE),
+ EDEF(TEXTURE_COORD_ARRAY_TYPE),
+ EDEF(TEXTURE_COORD_ARRAY_STRIDE),
+ EDEF(EDGE_FLAG_ARRAY_STRIDE),
+ EDEF(VERTEX_ARRAY_POINTER),
+ EDEF(NORMAL_ARRAY_POINTER),
+ EDEF(COLOR_ARRAY_POINTER),
+ EDEF(INDEX_ARRAY_POINTER),
+ EDEF(TEXTURE_COORD_ARRAY_POINTER),
+ EDEF(EDGE_FLAG_ARRAY_POINTER),
+ EDEF(V2F),
+ EDEF(V3F),
+ EDEF(C4UB_V2F),
+ EDEF(C4UB_V3F),
+ EDEF(C3F_V3F),
+ EDEF(N3F_V3F),
+ EDEF(C4F_N3F_V3F),
+ EDEF(T2F_V3F),
+ EDEF(T4F_V4F),
+ EDEF(T2F_C4UB_V3F),
+ EDEF(T2F_C3F_V3F),
+ EDEF(T2F_N3F_V3F),
+ EDEF(T2F_C4F_N3F_V3F),
+ EDEF(T4F_C4F_N3F_V4F),
+ EDEF(MATRIX_MODE),
+ EDEF(MODELVIEW),
+ EDEF(PROJECTION),
+ EDEF(TEXTURE),
+ EDEF(POINT_SMOOTH),
+ EDEF(POINT_SIZE),
+ EDEF(POINT_SIZE_GRANULARITY),
+ EDEF(POINT_SIZE_RANGE),
+ EDEF(LINE_SMOOTH),
+ EDEF(LINE_STIPPLE),
+ EDEF(LINE_STIPPLE_PATTERN),
+ EDEF(LINE_STIPPLE_REPEAT),
+ EDEF(LINE_WIDTH),
+ EDEF(LINE_WIDTH_GRANULARITY),
+ EDEF(LINE_WIDTH_RANGE),
+ EDEF(POINT),
+ EDEF(LINE),
+ EDEF(FILL),
+ EDEF(CCW),
+ EDEF(CW),
+ EDEF(FRONT),
+ EDEF(BACK),
+ EDEF(CULL_FACE),
+ EDEF(CULL_FACE_MODE),
+ EDEF(POLYGON_SMOOTH),
+ EDEF(POLYGON_STIPPLE),
+ EDEF(FRONT_FACE),
+ EDEF(POLYGON_MODE),
+ EDEF(POLYGON_OFFSET_FACTOR),
+ EDEF(POLYGON_OFFSET_UNITS),
+ EDEF(POLYGON_OFFSET_POINT),
+ EDEF(POLYGON_OFFSET_LINE),
+ EDEF(POLYGON_OFFSET_FILL),
+ EDEF(COMPILE),
+ EDEF(COMPILE_AND_EXECUTE),
+ EDEF(LIST_BASE),
+ EDEF(LIST_INDEX),
+ EDEF(LIST_MODE),
+ EDEF(NEVER),
+ EDEF(LESS),
+ EDEF(GEQUAL),
+ EDEF(LEQUAL),
+ EDEF(GREATER),
+ EDEF(NOTEQUAL),
+ EDEF(EQUAL),
+ EDEF(ALWAYS),
+ EDEF(DEPTH_TEST),
+ EDEF(DEPTH_BITS),
+ EDEF(DEPTH_CLEAR_VALUE),
+ EDEF(DEPTH_FUNC),
+ EDEF(DEPTH_RANGE),
+ EDEF(DEPTH_WRITEMASK),
+ EDEF(DEPTH_COMPONENT),
+ EDEF(LIGHTING),
+ EDEF(LIGHT0),
+ EDEF(LIGHT1),
+ EDEF(LIGHT2),
+ EDEF(LIGHT3),
+ EDEF(LIGHT4),
+ EDEF(LIGHT5),
+ EDEF(LIGHT6),
+ EDEF(LIGHT7),
+ EDEF(SPOT_EXPONENT),
+ EDEF(SPOT_CUTOFF),
+ EDEF(CONSTANT_ATTENUATION),
+ EDEF(LINEAR_ATTENUATION),
+ EDEF(QUADRATIC_ATTENUATION),
+ EDEF(AMBIENT),
+ EDEF(DIFFUSE),
+ EDEF(SPECULAR),
+ EDEF(SHININESS),
+ EDEF(EMISSION),
+ EDEF(POSITION),
+ EDEF(SPOT_DIRECTION),
+ EDEF(AMBIENT_AND_DIFFUSE),
+ EDEF(COLOR_INDEXES),
+ EDEF(LIGHT_MODEL_TWO_SIDE),
+ EDEF(LIGHT_MODEL_LOCAL_VIEWER),
+ EDEF(LIGHT_MODEL_AMBIENT),
+ EDEF(FRONT_AND_BACK),
+ EDEF(SHADE_MODEL),
+ EDEF(FLAT),
+ EDEF(SMOOTH),
+ EDEF(COLOR_MATERIAL),
+ EDEF(COLOR_MATERIAL_FACE),
+ EDEF(COLOR_MATERIAL_PARAMETER),
+ EDEF(NORMALIZE),
+ EDEF(CLIP_PLANE0),
+ EDEF(CLIP_PLANE1),
+ EDEF(CLIP_PLANE2),
+ EDEF(CLIP_PLANE3),
+ EDEF(CLIP_PLANE4),
+ EDEF(CLIP_PLANE5),
+ EDEF(ACCUM_RED_BITS),
+ EDEF(ACCUM_GREEN_BITS),
+ EDEF(ACCUM_BLUE_BITS),
+ EDEF(ACCUM_ALPHA_BITS),
+ EDEF(ACCUM_CLEAR_VALUE),
+ EDEF(ACCUM),
+ EDEF(ADD),
+ EDEF(LOAD),
+ EDEF(MULT),
+ EDEF(RETURN),
+ EDEF(ALPHA_TEST),
+ EDEF(ALPHA_TEST_REF),
+ EDEF(ALPHA_TEST_FUNC),
+ EDEF(BLEND),
+ EDEF(BLEND_SRC),
+ EDEF(BLEND_DST),
+ EDEF(ZERO),
+ EDEF(ONE),
+ EDEF(SRC_COLOR),
+ EDEF(ONE_MINUS_SRC_COLOR),
+ EDEF(DST_COLOR),
+ EDEF(ONE_MINUS_DST_COLOR),
+ EDEF(SRC_ALPHA),
+ EDEF(ONE_MINUS_SRC_ALPHA),
+ EDEF(DST_ALPHA),
+ EDEF(ONE_MINUS_DST_ALPHA),
+ EDEF(SRC_ALPHA_SATURATE),
+ EDEF(CONSTANT_COLOR),
+ EDEF(ONE_MINUS_CONSTANT_COLOR),
+ EDEF(CONSTANT_ALPHA),
+ EDEF(ONE_MINUS_CONSTANT_ALPHA),
+ EDEF(FEEDBACK),
+ EDEF(RENDER),
+ EDEF(SELECT),
+ EDEF(2D),
+ EDEF(3D),
+ EDEF(3D_COLOR),
+ EDEF(3D_COLOR_TEXTURE),
+ EDEF(4D_COLOR_TEXTURE),
+ EDEF(POINT_TOKEN),
+ EDEF(LINE_TOKEN),
+ EDEF(LINE_RESET_TOKEN),
+ EDEF(POLYGON_TOKEN),
+ EDEF(BITMAP_TOKEN),
+ EDEF(DRAW_PIXEL_TOKEN),
+ EDEF(COPY_PIXEL_TOKEN),
+ EDEF(PASS_THROUGH_TOKEN),
+ EDEF(FEEDBACK_BUFFER_POINTER),
+ EDEF(FEEDBACK_BUFFER_SIZE),
+ EDEF(FEEDBACK_BUFFER_TYPE),
+ EDEF(SELECTION_BUFFER_POINTER),
+ EDEF(SELECTION_BUFFER_SIZE),
+ EDEF(FOG),
+ EDEF(FOG_MODE),
+ EDEF(FOG_DENSITY),
+ EDEF(FOG_COLOR),
+ EDEF(FOG_INDEX),
+ EDEF(FOG_START),
+ EDEF(FOG_END),
+ EDEF(LINEAR),
+ EDEF(EXP),
+ EDEF(EXP2),
+ EDEF(LOGIC_OP),
+ EDEF(INDEX_LOGIC_OP),
+ EDEF(COLOR_LOGIC_OP),
+ EDEF(LOGIC_OP_MODE),
+ EDEF(CLEAR),
+ EDEF(SET),
+ EDEF(COPY),
+ EDEF(COPY_INVERTED),
+ EDEF(NOOP),
+ EDEF(INVERT),
+ EDEF(AND),
+ EDEF(NAND),
+ EDEF(OR),
+ EDEF(NOR),
+ EDEF(XOR),
+ EDEF(EQUIV),
+ EDEF(AND_REVERSE),
+ EDEF(AND_INVERTED),
+ EDEF(OR_REVERSE),
+ EDEF(OR_INVERTED),
+ EDEF(STENCIL_TEST),
+ EDEF(STENCIL_WRITEMASK),
+ EDEF(STENCIL_BITS),
+ EDEF(STENCIL_FUNC),
+ EDEF(STENCIL_VALUE_MASK),
+ EDEF(STENCIL_REF),
+ EDEF(STENCIL_FAIL),
+ EDEF(STENCIL_PASS_DEPTH_PASS),
+ EDEF(STENCIL_PASS_DEPTH_FAIL),
+ EDEF(STENCIL_CLEAR_VALUE),
+ EDEF(STENCIL_INDEX),
+ EDEF(KEEP),
+ EDEF(REPLACE),
+ EDEF(INCR),
+ EDEF(DECR),
+ EDEF(NONE),
+ EDEF(LEFT),
+ EDEF(RIGHT),
+ EDEF(FRONT_LEFT),
+ EDEF(FRONT_RIGHT),
+ EDEF(BACK_LEFT),
+ EDEF(BACK_RIGHT),
+ EDEF(AUX0),
+ EDEF(AUX1),
+ EDEF(AUX2),
+ EDEF(AUX3),
+ EDEF(COLOR_INDEX),
+ EDEF(RED),
+ EDEF(GREEN),
+ EDEF(BLUE),
+ EDEF(ALPHA),
+ EDEF(LUMINANCE),
+ EDEF(LUMINANCE_ALPHA),
+ EDEF(ALPHA_BITS),
+ EDEF(RED_BITS),
+ EDEF(GREEN_BITS),
+ EDEF(BLUE_BITS),
+ EDEF(INDEX_BITS),
+ EDEF(SUBPIXEL_BITS),
+ EDEF(AUX_BUFFERS),
+ EDEF(READ_BUFFER),
+ EDEF(DRAW_BUFFER),
+ EDEF(DOUBLEBUFFER),
+ EDEF(STEREO),
+ EDEF(BITMAP),
+ EDEF(COLOR),
+ EDEF(DEPTH),
+ EDEF(STENCIL),
+ EDEF(DITHER),
+ EDEF(RGB),
+ EDEF(RGBA),
+ EDEF(MAX_LIST_NESTING),
+ EDEF(MAX_ATTRIB_STACK_DEPTH),
+ EDEF(MAX_MODELVIEW_STACK_DEPTH),
+ EDEF(MAX_NAME_STACK_DEPTH),
+ EDEF(MAX_PROJECTION_STACK_DEPTH),
+ EDEF(MAX_TEXTURE_STACK_DEPTH),
+ EDEF(MAX_EVAL_ORDER),
+ EDEF(MAX_LIGHTS),
+ EDEF(MAX_CLIP_PLANES),
+ EDEF(MAX_TEXTURE_SIZE),
+ EDEF(MAX_PIXEL_MAP_TABLE),
+ EDEF(MAX_VIEWPORT_DIMS),
+ EDEF(MAX_CLIENT_ATTRIB_STACK_DEPTH),
+ EDEF(ATTRIB_STACK_DEPTH),
+ EDEF(CLIENT_ATTRIB_STACK_DEPTH),
+ EDEF(COLOR_CLEAR_VALUE),
+ EDEF(COLOR_WRITEMASK),
+ EDEF(CURRENT_INDEX),
+ EDEF(CURRENT_COLOR),
+ EDEF(CURRENT_NORMAL),
+ EDEF(CURRENT_RASTER_COLOR),
+ EDEF(CURRENT_RASTER_DISTANCE),
+ EDEF(CURRENT_RASTER_INDEX),
+ EDEF(CURRENT_RASTER_POSITION),
+ EDEF(CURRENT_RASTER_TEXTURE_COORDS),
+ EDEF(CURRENT_RASTER_POSITION_VALID),
+ EDEF(CURRENT_TEXTURE_COORDS),
+ EDEF(INDEX_CLEAR_VALUE),
+ EDEF(INDEX_MODE),
+ EDEF(INDEX_WRITEMASK),
+ EDEF(MODELVIEW_MATRIX),
+ EDEF(MODELVIEW_STACK_DEPTH),
+ EDEF(NAME_STACK_DEPTH),
+ EDEF(PROJECTION_MATRIX),
+ EDEF(PROJECTION_STACK_DEPTH),
+ EDEF(RENDER_MODE),
+ EDEF(RGBA_MODE),
+ EDEF(TEXTURE_MATRIX),
+ EDEF(TEXTURE_STACK_DEPTH),
+ EDEF(VIEWPORT),
+ EDEF(AUTO_NORMAL),
+ EDEF(MAP1_COLOR_4),
+ EDEF(MAP1_GRID_DOMAIN),
+ EDEF(MAP1_GRID_SEGMENTS),
+ EDEF(MAP1_INDEX),
+ EDEF(MAP1_NORMAL),
+ EDEF(MAP1_TEXTURE_COORD_1),
+ EDEF(MAP1_TEXTURE_COORD_2),
+ EDEF(MAP1_TEXTURE_COORD_3),
+ EDEF(MAP1_TEXTURE_COORD_4),
+ EDEF(MAP1_VERTEX_3),
+ EDEF(MAP1_VERTEX_4),
+ EDEF(MAP2_COLOR_4),
+ EDEF(MAP2_GRID_DOMAIN),
+ EDEF(MAP2_GRID_SEGMENTS),
+ EDEF(MAP2_INDEX),
+ EDEF(MAP2_NORMAL),
+ EDEF(MAP2_TEXTURE_COORD_1),
+ EDEF(MAP2_TEXTURE_COORD_2),
+ EDEF(MAP2_TEXTURE_COORD_3),
+ EDEF(MAP2_TEXTURE_COORD_4),
+ EDEF(MAP2_VERTEX_3),
+ EDEF(MAP2_VERTEX_4),
+ EDEF(COEFF),
+ EDEF(DOMAIN),
+ EDEF(ORDER),
+ EDEF(FOG_HINT),
+ EDEF(LINE_SMOOTH_HINT),
+ EDEF(PERSPECTIVE_CORRECTION_HINT),
+ EDEF(POINT_SMOOTH_HINT),
+ EDEF(POLYGON_SMOOTH_HINT),
+ EDEF(DONT_CARE),
+ EDEF(FASTEST),
+ EDEF(NICEST),
+ EDEF(SCISSOR_TEST),
+ EDEF(SCISSOR_BOX),
+ EDEF(MAP_COLOR),
+ EDEF(MAP_STENCIL),
+ EDEF(INDEX_SHIFT),
+ EDEF(INDEX_OFFSET),
+ EDEF(RED_SCALE),
+ EDEF(RED_BIAS),
+ EDEF(GREEN_SCALE),
+ EDEF(GREEN_BIAS),
+ EDEF(BLUE_SCALE),
+ EDEF(BLUE_BIAS),
+ EDEF(ALPHA_SCALE),
+ EDEF(ALPHA_BIAS),
+ EDEF(DEPTH_SCALE),
+ EDEF(DEPTH_BIAS),
+ EDEF(PIXEL_MAP_S_TO_S_SIZE),
+ EDEF(PIXEL_MAP_I_TO_I_SIZE),
+ EDEF(PIXEL_MAP_I_TO_R_SIZE),
+ EDEF(PIXEL_MAP_I_TO_G_SIZE),
+ EDEF(PIXEL_MAP_I_TO_B_SIZE),
+ EDEF(PIXEL_MAP_I_TO_A_SIZE),
+ EDEF(PIXEL_MAP_R_TO_R_SIZE),
+ EDEF(PIXEL_MAP_G_TO_G_SIZE),
+ EDEF(PIXEL_MAP_B_TO_B_SIZE),
+ EDEF(PIXEL_MAP_A_TO_A_SIZE),
+ EDEF(PIXEL_MAP_S_TO_S),
+ EDEF(PIXEL_MAP_I_TO_I),
+ EDEF(PIXEL_MAP_I_TO_R),
+ EDEF(PIXEL_MAP_I_TO_G),
+ EDEF(PIXEL_MAP_I_TO_B),
+ EDEF(PIXEL_MAP_I_TO_A),
+ EDEF(PIXEL_MAP_R_TO_R),
+ EDEF(PIXEL_MAP_G_TO_G),
+ EDEF(PIXEL_MAP_B_TO_B),
+ EDEF(PIXEL_MAP_A_TO_A),
+ EDEF(PACK_ALIGNMENT),
+ EDEF(PACK_LSB_FIRST),
+ EDEF(PACK_ROW_LENGTH),
+ EDEF(PACK_SKIP_PIXELS),
+ EDEF(PACK_SKIP_ROWS),
+ EDEF(PACK_SWAP_BYTES),
+ EDEF(UNPACK_ALIGNMENT),
+ EDEF(UNPACK_LSB_FIRST),
+ EDEF(UNPACK_ROW_LENGTH),
+ EDEF(UNPACK_SKIP_PIXELS),
+ EDEF(UNPACK_SKIP_ROWS),
+ EDEF(UNPACK_SWAP_BYTES),
+ EDEF(ZOOM_X),
+ EDEF(ZOOM_Y),
+ EDEF(TEXTURE_ENV),
+ EDEF(TEXTURE_ENV_MODE),
+ EDEF(TEXTURE_1D),
+ EDEF(TEXTURE_2D),
+ EDEF(TEXTURE_WRAP_S),
+ EDEF(TEXTURE_WRAP_T),
+ EDEF(TEXTURE_MAG_FILTER),
+ EDEF(TEXTURE_MIN_FILTER),
+ EDEF(TEXTURE_ENV_COLOR),
+ EDEF(TEXTURE_GEN_S),
+ EDEF(TEXTURE_GEN_T),
+ EDEF(TEXTURE_GEN_MODE),
+ EDEF(TEXTURE_BORDER_COLOR),
+ EDEF(TEXTURE_WIDTH),
+ EDEF(TEXTURE_HEIGHT),
+ EDEF(TEXTURE_BORDER),
+ EDEF(TEXTURE_COMPONENTS),
+ EDEF(TEXTURE_RED_SIZE),
+ EDEF(TEXTURE_GREEN_SIZE),
+ EDEF(TEXTURE_BLUE_SIZE),
+ EDEF(TEXTURE_ALPHA_SIZE),
+ EDEF(TEXTURE_LUMINANCE_SIZE),
+ EDEF(TEXTURE_INTENSITY_SIZE),
+ EDEF(NEAREST_MIPMAP_NEAREST),
+ EDEF(NEAREST_MIPMAP_LINEAR),
+ EDEF(LINEAR_MIPMAP_NEAREST),
+ EDEF(LINEAR_MIPMAP_LINEAR),
+ EDEF(OBJECT_LINEAR),
+ EDEF(OBJECT_PLANE),
+ EDEF(EYE_LINEAR),
+ EDEF(EYE_PLANE),
+ EDEF(SPHERE_MAP),
+ EDEF(DECAL),
+ EDEF(MODULATE),
+ EDEF(NEAREST),
+ EDEF(REPEAT),
+ EDEF(CLAMP),
+ EDEF(S),
+ EDEF(T),
+ EDEF(R),
+ EDEF(Q),
+ EDEF(TEXTURE_GEN_R),
+ EDEF(TEXTURE_GEN_Q),
+ EDEF(PROXY_TEXTURE_1D),
+ EDEF(PROXY_TEXTURE_2D),
+ EDEF(TEXTURE_PRIORITY),
+ EDEF(TEXTURE_RESIDENT),
+ EDEF(TEXTURE_BINDING_1D),
+ EDEF(TEXTURE_BINDING_2D),
+ EDEF(TEXTURE_INTERNAL_FORMAT),
+ EDEF(PACK_SKIP_IMAGES),
+ EDEF(PACK_IMAGE_HEIGHT),
+ EDEF(UNPACK_SKIP_IMAGES),
+ EDEF(UNPACK_IMAGE_HEIGHT),
+ EDEF(TEXTURE_3D),
+ EDEF(PROXY_TEXTURE_3D),
+ EDEF(TEXTURE_DEPTH),
+ EDEF(TEXTURE_WRAP_R),
+ EDEF(MAX_3D_TEXTURE_SIZE),
+ EDEF(TEXTURE_BINDING_3D),
+ EDEF(ALPHA4),
+ EDEF(ALPHA8),
+ EDEF(ALPHA12),
+ EDEF(ALPHA16),
+ EDEF(LUMINANCE4),
+ EDEF(LUMINANCE8),
+ EDEF(LUMINANCE12),
+ EDEF(LUMINANCE16),
+ EDEF(LUMINANCE4_ALPHA4),
+ EDEF(LUMINANCE6_ALPHA2),
+ EDEF(LUMINANCE8_ALPHA8),
+ EDEF(LUMINANCE12_ALPHA4),
+ EDEF(LUMINANCE12_ALPHA12),
+ EDEF(LUMINANCE16_ALPHA16),
+ EDEF(INTENSITY),
+ EDEF(INTENSITY4),
+ EDEF(INTENSITY8),
+ EDEF(INTENSITY12),
+ EDEF(INTENSITY16),
+ EDEF(R3_G3_B2),
+ EDEF(RGB4),
+ EDEF(RGB5),
+ EDEF(RGB8),
+ EDEF(RGB10),
+ EDEF(RGB12),
+ EDEF(RGB16),
+ EDEF(RGBA2),
+ EDEF(RGBA4),
+ EDEF(RGB5_A1),
+ EDEF(RGBA8),
+ EDEF(RGB10_A2),
+ EDEF(RGBA12),
+ EDEF(RGBA16),
+ EDEF(VENDOR),
+ EDEF(RENDERER),
+ EDEF(VERSION),
+ EDEF(EXTENSIONS),
+ EDEF(INVALID_VALUE),
+ EDEF(INVALID_ENUM),
+ EDEF(INVALID_OPERATION),
+ EDEF(STACK_OVERFLOW),
+ EDEF(STACK_UNDERFLOW),
+ EDEF(OUT_OF_MEMORY),
+
+ /* extensions */
+ EDEF(CONSTANT_COLOR_EXT),
+ EDEF(ONE_MINUS_CONSTANT_COLOR_EXT),
+ EDEF(CONSTANT_ALPHA_EXT),
+ EDEF(ONE_MINUS_CONSTANT_ALPHA_EXT),
+ EDEF(BLEND_EQUATION_EXT),
+ EDEF(MIN_EXT),
+ EDEF(MAX_EXT),
+ EDEF(FUNC_ADD_EXT),
+ EDEF(FUNC_SUBTRACT_EXT),
+ EDEF(FUNC_REVERSE_SUBTRACT_EXT),
+ EDEF(BLEND_COLOR_EXT),
+ EDEF(POLYGON_OFFSET_EXT),
+ EDEF(POLYGON_OFFSET_FACTOR_EXT),
+ EDEF(POLYGON_OFFSET_BIAS_EXT),
+ EDEF(VERTEX_ARRAY_EXT),
+ EDEF(NORMAL_ARRAY_EXT),
+ EDEF(COLOR_ARRAY_EXT),
+ EDEF(INDEX_ARRAY_EXT),
+ EDEF(TEXTURE_COORD_ARRAY_EXT),
+ EDEF(EDGE_FLAG_ARRAY_EXT),
+ EDEF(VERTEX_ARRAY_SIZE_EXT),
+ EDEF(VERTEX_ARRAY_TYPE_EXT),
+ EDEF(VERTEX_ARRAY_STRIDE_EXT),
+ EDEF(VERTEX_ARRAY_COUNT_EXT),
+ EDEF(NORMAL_ARRAY_TYPE_EXT),
+ EDEF(NORMAL_ARRAY_STRIDE_EXT),
+ EDEF(NORMAL_ARRAY_COUNT_EXT),
+ EDEF(COLOR_ARRAY_SIZE_EXT),
+ EDEF(COLOR_ARRAY_TYPE_EXT),
+ EDEF(COLOR_ARRAY_STRIDE_EXT),
+ EDEF(COLOR_ARRAY_COUNT_EXT),
+ EDEF(INDEX_ARRAY_TYPE_EXT),
+ EDEF(INDEX_ARRAY_STRIDE_EXT),
+ EDEF(INDEX_ARRAY_COUNT_EXT),
+ EDEF(TEXTURE_COORD_ARRAY_SIZE_EXT),
+ EDEF(TEXTURE_COORD_ARRAY_TYPE_EXT),
+ EDEF(TEXTURE_COORD_ARRAY_STRIDE_EXT),
+ EDEF(TEXTURE_COORD_ARRAY_COUNT_EXT),
+ EDEF(EDGE_FLAG_ARRAY_STRIDE_EXT),
+ EDEF(EDGE_FLAG_ARRAY_COUNT_EXT),
+ EDEF(VERTEX_ARRAY_POINTER_EXT),
+ EDEF(NORMAL_ARRAY_POINTER_EXT),
+ EDEF(COLOR_ARRAY_POINTER_EXT),
+ EDEF(INDEX_ARRAY_POINTER_EXT),
+ EDEF(TEXTURE_COORD_ARRAY_POINTER_EXT),
+ EDEF(EDGE_FLAG_ARRAY_POINTER_EXT),
+ EDEF(TEXTURE_PRIORITY_EXT),
+ EDEF(TEXTURE_RESIDENT_EXT),
+ EDEF(TEXTURE_1D_BINDING_EXT),
+ EDEF(TEXTURE_2D_BINDING_EXT),
+ EDEF(PACK_SKIP_IMAGES_EXT),
+ EDEF(PACK_IMAGE_HEIGHT_EXT),
+ EDEF(UNPACK_SKIP_IMAGES_EXT),
+ EDEF(UNPACK_IMAGE_HEIGHT_EXT),
+ EDEF(TEXTURE_3D_EXT),
+ EDEF(PROXY_TEXTURE_3D_EXT),
+ EDEF(TEXTURE_DEPTH_EXT),
+ EDEF(TEXTURE_WRAP_R_EXT),
+ EDEF(MAX_3D_TEXTURE_SIZE_EXT),
+ EDEF(TEXTURE_3D_BINDING_EXT),
+ EDEF(TABLE_TOO_LARGE_EXT),
+ EDEF(COLOR_TABLE_FORMAT_EXT),
+ EDEF(COLOR_TABLE_WIDTH_EXT),
+ EDEF(COLOR_TABLE_RED_SIZE_EXT),
+ EDEF(COLOR_TABLE_GREEN_SIZE_EXT),
+ EDEF(COLOR_TABLE_BLUE_SIZE_EXT),
+ EDEF(COLOR_TABLE_ALPHA_SIZE_EXT),
+ EDEF(COLOR_TABLE_LUMINANCE_SIZE_EXT),
+ EDEF(COLOR_TABLE_INTENSITY_SIZE_EXT),
+ EDEF(TEXTURE_INDEX_SIZE_EXT),
+ EDEF(COLOR_INDEX1_EXT),
+ EDEF(COLOR_INDEX2_EXT),
+ EDEF(COLOR_INDEX4_EXT),
+ EDEF(COLOR_INDEX8_EXT),
+ EDEF(COLOR_INDEX12_EXT),
+ EDEF(COLOR_INDEX16_EXT),
+ EDEF(SHARED_TEXTURE_PALETTE_EXT),
+ EDEF(POINT_SIZE_MIN_EXT),
+ EDEF(POINT_SIZE_MAX_EXT),
+ EDEF(POINT_FADE_THRESHOLD_SIZE_EXT),
+ EDEF(DISTANCE_ATTENUATION_EXT),
+ EDEF(RESCALE_NORMAL_EXT),
+ EDEF(ABGR_EXT),
+ EDEF(SELECTED_TEXTURE_SGIS),
+ EDEF(SELECTED_TEXTURE_COORD_SET_SGIS),
+ EDEF(MAX_TEXTURES_SGIS),
+ EDEF(TEXTURE0_SGIS),
+ EDEF(TEXTURE1_SGIS),
+ EDEF(TEXTURE2_SGIS),
+ EDEF(TEXTURE3_SGIS),
+ EDEF(TEXTURE_COORD_SET_SOURCE_SGIS),
+ EDEF(SELECTED_TEXTURE_EXT),
+ EDEF(SELECTED_TEXTURE_COORD_SET_EXT),
+ EDEF(SELECTED_TEXTURE_TRANSFORM_EXT),
+ EDEF(MAX_TEXTURES_EXT),
+ EDEF(MAX_TEXTURE_COORD_SETS_EXT),
+ EDEF(TEXTURE_ENV_COORD_SET_EXT),
+ EDEF(TEXTURE0_EXT),
+ EDEF(TEXTURE1_EXT),
+ EDEF(TEXTURE2_EXT),
+ EDEF(TEXTURE3_EXT),
+ EDEF(CLAMP_TO_EDGE_SGIS),
+ EDEF(RESCALE_NORMAL),
+ EDEF(CLAMP_TO_EDGE),
+ EDEF(MAX_ELEMENTS_VERTICES),
+ EDEF(MAX_ELEMENTS_INDICES),
+ EDEF(BGR),
+ EDEF(BGRA),
+ EDEF(UNSIGNED_BYTE_3_3_2),
+ EDEF(UNSIGNED_BYTE_2_3_3_REV),
+ EDEF(UNSIGNED_SHORT_5_6_5),
+ EDEF(UNSIGNED_SHORT_5_6_5_REV),
+ EDEF(UNSIGNED_SHORT_4_4_4_4),
+ EDEF(UNSIGNED_SHORT_4_4_4_4_REV),
+ EDEF(UNSIGNED_SHORT_5_5_5_1),
+ EDEF(UNSIGNED_SHORT_1_5_5_5_REV),
+ EDEF(UNSIGNED_INT_8_8_8_8),
+ EDEF(UNSIGNED_INT_8_8_8_8_REV),
+ EDEF(UNSIGNED_INT_10_10_10_2),
+ EDEF(UNSIGNED_INT_2_10_10_10_REV),
+ EDEF(LIGHT_MODEL_COLOR_CONTROL),
+ EDEF(SINGLE_COLOR),
+ EDEF(SEPARATE_SPECULAR_COLOR),
+ EDEF(TEXTURE_MIN_LOD),
+ EDEF(TEXTURE_MAX_LOD),
+ EDEF(TEXTURE_BASE_LEVEL),
+ EDEF(TEXTURE_MAX_LEVEL)
+};
+
+#undef EDEF
+
+#define N_ENUMS (sizeof(enums) / sizeof(ENUM))
+
+/***************************************************************************/
+
+static void print_enum_name( FILE* OUT, GLenum e )
+{
+ int i, found= 0;
+ for( i= 0; i < N_ENUMS; ++i )
+ {
+ if( enums[i].e == e )
+ {
+ if( found )
+ fprintf( OUT, "/" );
+ found= 1;
+ fprintf( OUT, "%s", enums[i].name );
+ }
+ }
+ if( ! found )
+ fprintf( OUT, "*UNKNOWN* [%04x]", (int)e );
+ fprintf( OUT, "\n" );
+}
+
+#define BOOL_STRING(b) (b ? "true" : "false")
+
+#define VAR_ENUM(VAR) \
+ { \
+ GLint e= 0; \
+ glGetIntegerv(GL_##VAR,&e); \
+ fprintf( OUT, "%s: ", #VAR ); \
+ print_enum_name( OUT, (GLenum) e ); \
+ }
+
+#define VAR_FLOAT4(VAR) \
+ { \
+ GLfloat f[4]; \
+ f[0]= f[1]= f[2]= f[3]= 0.0; \
+ glGetFloatv(GL_##VAR,f); \
+ fprintf( OUT, "%s: [%f %f %f %f]\n", \
+ #VAR, f[0], f[1], f[2], f[3] ); \
+ }
+
+#define VAR_MAT_FLOAT4(VAR) \
+ { \
+ GLfloat f[4]; \
+ f[0]= f[1]= f[2]= f[3]= 0.0; \
+ glGetMaterialfv(GL_FRONT,GL_##VAR,f); \
+ fprintf( OUT, "FRONT_%s: [%f %f %f %f]\n", \
+ #VAR, f[0], f[1], f[2], f[3] ); \
+ glGetMaterialfv(GL_BACK,GL_##VAR,f); \
+ fprintf( OUT, " BACK_%s: [%f %f %f %f]\n", \
+ #VAR, f[0], f[1], f[2], f[3] ); \
+ }
+
+#define VAR_LIGHT_FLOAT4(LIGHT,VAR) \
+ { \
+ GLfloat f[4]; \
+ f[0]= f[1]= f[2]= f[3]= 0.0; \
+ glGetLightfv(GL_LIGHT0+LIGHT,GL_##VAR,f); \
+ fprintf( OUT, "LIGHT%d.%s: [%f %f %f %f]\n", \
+ LIGHT, #VAR, f[0], f[1], f[2], f[3] ); \
+ }
+
+#define VAR_LIGHT_FLOAT3(LIGHT,VAR) \
+ { \
+ GLfloat f[3]; \
+ f[0]= f[1]= f[2]= 0.0; \
+ glGetLightfv(GL_LIGHT0+LIGHT,GL_##VAR,f); \
+ fprintf( OUT, "LIGHT%d.%s: [%f %f %f]\n", \
+ LIGHT, #VAR, f[0], f[1], f[2] ); \
+ }
+
+#define VAR_FLOAT3(VAR) \
+ { \
+ GLfloat f[3]; \
+ f[0]= f[1]= f[2]= 0.0; \
+ glGetFloatv(GL_##VAR,f) ; \
+ fprintf( OUT, "%s: [%f %f %f]\n", \
+ #VAR, f[0], f[1], f[2] ); \
+ }
+#define VAR_FLOAT2(VAR) \
+ { \
+ GLfloat f[2]; \
+ f[0]= f[1]= 0.0; \
+ glGetFloatv(GL_##VAR,f); \
+ fprintf( OUT, "%s: [%f %f]\n", \
+ #VAR, f[0], f[1] ); \
+ }
+
+#define VAR_COLOR(VAR) VAR_FLOAT4(VAR)
+#define VAR_TEXCOORD(VAR) VAR_FLOAT4(VAR)
+#define VAR_NORMAL(VAR) VAR_FLOAT3(VAR)
+
+#define VAR_MAT_COLOR(VAR) VAR_MAT_FLOAT4(VAR)
+#define VAR_LIGHT_COLOR(LIGHT,VAR) VAR_LIGHT_FLOAT4(LIGHT,VAR)
+
+#define VAR_FLOAT(VAR) \
+ { \
+ GLfloat f= 0.0; \
+ glGetFloatv(GL_##VAR,&f); \
+ fprintf( OUT, "%s: %f\n", #VAR, f ); \
+ }
+
+#define VAR_MAT_FLOAT(VAR) \
+ { \
+ GLfloat f= 0.0; \
+ glGetMaterialfv(GL_FRONT,GL_##VAR,&f); \
+ fprintf( OUT, "FRONT_%s: %f\n", #VAR, f ); \
+ glGetMaterialfv(GL_BACK,GL_##VAR,&f); \
+ fprintf( OUT, " BACK_%s: %f\n", #VAR, f ); \
+ }
+
+#define VAR_LIGHT_FLOAT(LIGHT,VAR) \
+ { \
+ GLfloat f= 0.0; \
+ glGetLightfv(GL_LIGHT0+LIGHT,GL_##VAR,&f); \
+ fprintf( OUT, "LIGHT%d.%s: %f\n", \
+ LIGHT, #VAR, f ); \
+ }
+
+#define VAR_INT(VAR) \
+ { \
+ GLint i= 0; \
+ glGetIntegerv(GL_##VAR,&i); \
+ fprintf( OUT, "%s: %d\n", #VAR, (int)i ); \
+ }
+#define VAR_INTEGER(VAR) VAR_INT(VAR)
+#define VAR_INDEX(VAR) VAR_INT(VAR)
+#define VAR_HEXINT(VAR) \
+ { \
+ GLint i= 0; \
+ glGetIntegerv(GL_##VAR,&i); \
+ fprintf( OUT, "%s: 0x%04x\n", #VAR, (int)i ); \
+ }
+#define VAR_INT4(VAR) \
+ { \
+ GLint i[4]; \
+ i[0]= i[1]= i[2]= i[3]= 0; \
+ glGetIntegerv(GL_##VAR,i); \
+ fprintf( OUT, "%s: [%d %d %d %d]\n", \
+ #VAR, (int)i[0], (int)i[1], (int)i[2], (int)i[3] ); \
+ }
+#define VAR_BOOL(VAR) \
+ { \
+ GLboolean b= 0; \
+ glGetBooleanv(GL_##VAR,&b); \
+ fprintf( OUT, "%s: %s\n", #VAR, BOOL_STRING(b) ); \
+ }
+#define VAR_BOOL4(VAR) \
+ { \
+ GLboolean b[4]; \
+ b[0]= b[1]= b[2]= b[3]= 0; \
+ glGetBooleanv(GL_##VAR,b); \
+ fprintf( OUT, "%s: [%s %s %s %s]\n", \
+ #VAR, \
+ BOOL_STRING(b[0]), \
+ BOOL_STRING(b[1]), \
+ BOOL_STRING(b[2]), \
+ BOOL_STRING(b[3]) ); \
+ }
+#define VAR_PTR(VAR) \
+ { \
+ GLvoid* p= 0; \
+ glGetPointerv(GL_##VAR,&p); \
+ fprintf( OUT, "%s: %p\n", #VAR, p ); \
+ }
+#define VAR_MATRIX(VAR) \
+ { \
+ GLfloat m[16]; \
+ int i; \
+ for( i= 0; i < 16; ++i ) m[i]= 0.0; \
+ glGetFloatv(GL_##VAR,m); \
+ fprintf( OUT, \
+ "%s:\n\t[%+.6f %+.6f %+.6f %+.6f]\n\t[%+.6f %+.6f %+.6f
+%+.6f]\n\t[%+.6f %+.6f %+.6f %+.6f]\n\t[%+.6f %+.6f %+.6f %+.6f]\n", \
+ #VAR, \
+ m[0+0*4], m[0+1*4], m[0+2*4], m[0+3*4], \
+ m[1+0*4], m[1+1*4], m[1+2*4], m[1+3*4], \
+ m[2+0*4], m[2+1*4], m[2+2*4], m[2+3*4], \
+ m[3+0*4], m[3+1*4], m[3+2*4], m[3+3*4] ); \
+ }
+
+/***************************************************************************/
+
+/*
+#define OUT stderr
+*/
+void dump_opengl_state( FILE* OUT )
+{
+ int i;
+ GLint n_lights= 0;
+
+ glGetIntegerv( GL_MAX_LIGHTS, &n_lights );
+
+ VAR_COLOR(CURRENT_COLOR)
+ VAR_INDEX(CURRENT_INDEX)
+ VAR_TEXCOORD(CURRENT_TEXTURE_COORDS)
+ VAR_NORMAL(CURRENT_NORMAL)
+ VAR_FLOAT4(CURRENT_RASTER_POSITION)
+ VAR_FLOAT(CURRENT_RASTER_DISTANCE)
+ VAR_COLOR(CURRENT_RASTER_COLOR)
+ VAR_INDEX(CURRENT_RASTER_INDEX)
+ VAR_TEXCOORD(CURRENT_RASTER_TEXTURE_COORDS)
+ VAR_BOOL(CURRENT_RASTER_POSITION_VALID)
+ VAR_BOOL(EDGE_FLAG)
+
+ VAR_BOOL (VERTEX_ARRAY)
+ VAR_INTEGER(VERTEX_ARRAY_SIZE)
+ VAR_ENUM (VERTEX_ARRAY_TYPE)
+ VAR_INTEGER(VERTEX_ARRAY_STRIDE)
+ VAR_PTR (VERTEX_ARRAY_POINTER)
+
+ VAR_BOOL (NORMAL_ARRAY)
+ VAR_ENUM (NORMAL_ARRAY_TYPE)
+ VAR_INTEGER(NORMAL_ARRAY_STRIDE)
+ VAR_PTR (NORMAL_ARRAY_POINTER)
+
+ VAR_BOOL (COLOR_ARRAY)
+ VAR_INTEGER(COLOR_ARRAY_SIZE)
+ VAR_ENUM (COLOR_ARRAY_TYPE)
+ VAR_INTEGER(COLOR_ARRAY_STRIDE)
+ VAR_PTR (COLOR_ARRAY_POINTER)
+
+ VAR_BOOL (INDEX_ARRAY)
+ VAR_ENUM (INDEX_ARRAY_TYPE)
+ VAR_INTEGER(INDEX_ARRAY_STRIDE)
+ VAR_PTR (INDEX_ARRAY_POINTER)
+
+ VAR_BOOL (TEXTURE_COORD_ARRAY)
+ VAR_INTEGER(TEXTURE_COORD_ARRAY_SIZE)
+ VAR_ENUM (TEXTURE_COORD_ARRAY_TYPE)
+ VAR_INTEGER(TEXTURE_COORD_ARRAY_STRIDE)
+ VAR_PTR (TEXTURE_COORD_ARRAY_POINTER)
+
+ VAR_BOOL (EDGE_FLAG_ARRAY)
+ VAR_INTEGER(EDGE_FLAG_ARRAY_STRIDE)
+ VAR_PTR (EDGE_FLAG_ARRAY_POINTER)
+
+ VAR_MATRIX(MODELVIEW_MATRIX)
+ VAR_MATRIX(PROJECTION_MATRIX)
+ VAR_MATRIX(TEXTURE_MATRIX)
+ VAR_INT4(VIEWPORT)
+ VAR_FLOAT2(DEPTH_RANGE)
+ VAR_INT(MODELVIEW_STACK_DEPTH)
+ VAR_INT(PROJECTION_STACK_DEPTH)
+ VAR_INT(TEXTURE_STACK_DEPTH)
+ VAR_ENUM(MATRIX_MODE)
+ VAR_BOOL(NORMALIZE)
+ VAR_BOOL(RESCALE_NORMAL_EXT)
+ VAR_BOOL(CLIP_PLANE0)
+ VAR_BOOL(CLIP_PLANE1)
+ VAR_BOOL(CLIP_PLANE2)
+ VAR_BOOL(CLIP_PLANE3)
+ VAR_BOOL(CLIP_PLANE4)
+ VAR_BOOL(CLIP_PLANE5)
+ /* + glGetClipPlane() */
+
+ VAR_COLOR(FOG_COLOR)
+ VAR_INDEX(FOG_INDEX)
+ VAR_FLOAT(FOG_DENSITY)
+ VAR_FLOAT(FOG_START)
+ VAR_FLOAT(FOG_END)
+ VAR_ENUM(FOG_MODE)
+ VAR_BOOL(FOG)
+ VAR_ENUM(SHADE_MODEL)
+
+ VAR_BOOL(LIGHTING)
+ VAR_BOOL(COLOR_MATERIAL)
+ VAR_ENUM(COLOR_MATERIAL_PARAMETER)
+ VAR_ENUM(COLOR_MATERIAL_FACE)
+
+ VAR_MAT_COLOR(AMBIENT)
+ VAR_MAT_COLOR(DIFFUSE)
+ VAR_MAT_COLOR(SPECULAR)
+ VAR_MAT_COLOR(EMISSION)
+ VAR_MAT_FLOAT(SHININESS)
+
+ VAR_COLOR(LIGHT_MODEL_AMBIENT)
+ VAR_BOOL(LIGHT_MODEL_LOCAL_VIEWER)
+ VAR_BOOL(LIGHT_MODEL_TWO_SIDE)
+/* VAR_ENUM(LIGHT_MODEL_COLOR_CONTROL)*/
+
+ for( i= 0; i < n_lights; ++i )
+ {
+ GLboolean b= 0;
+
+ glGetBooleanv( GL_LIGHT0 + i, &b );
+ fprintf( OUT, "LIGHT%d: %s\n", i, BOOL_STRING(b) );
+
+ if( ! b )
+ continue;
+
+ VAR_LIGHT_COLOR(i,AMBIENT)
+ VAR_LIGHT_COLOR(i,DIFFUSE)
+ VAR_LIGHT_COLOR(i,SPECULAR)
+ VAR_LIGHT_FLOAT4(i,POSITION)
+ VAR_LIGHT_FLOAT(i,CONSTANT_ATTENUATION)
+ VAR_LIGHT_FLOAT(i,LINEAR_ATTENUATION)
+ VAR_LIGHT_FLOAT(i,QUADRATIC_ATTENUATION)
+ VAR_LIGHT_FLOAT3(i,SPOT_DIRECTION)
+ VAR_LIGHT_FLOAT(i,SPOT_EXPONENT)
+ VAR_LIGHT_FLOAT(i,SPOT_CUTOFF)
+ /* COLOR_INDEXES */
+ }
+
+ VAR_FLOAT(POINT_SIZE)
+ VAR_BOOL(POINT_SMOOTH)
+ VAR_FLOAT(LINE_WIDTH)
+ VAR_BOOL(LINE_SMOOTH)
+ VAR_HEXINT(LINE_STIPPLE_PATTERN)
+ VAR_INT(LINE_STIPPLE_REPEAT)
+ VAR_BOOL(LINE_STIPPLE)
+ VAR_BOOL(CULL_FACE)
+ VAR_ENUM(CULL_FACE_MODE)
+ VAR_ENUM(FRONT_FACE)
+ VAR_BOOL(POLYGON_SMOOTH)
+ VAR_ENUM(POLYGON_MODE)
+ VAR_FLOAT(POLYGON_OFFSET_FACTOR)
+ VAR_FLOAT(POLYGON_OFFSET_UNITS)
+ VAR_BOOL(POLYGON_OFFSET_POINT)
+ VAR_BOOL(POLYGON_OFFSET_LINE)
+ VAR_BOOL(POLYGON_OFFSET_FILL)
+ /* GetPolygonStipple */
+ VAR_BOOL(POLYGON_STIPPLE)
+
+ VAR_BOOL(TEXTURE_1D)
+ VAR_BOOL(TEXTURE_2D)
+/* VAR_BOOL(TEXTURE_3D)*/
+
+ VAR_INT(TEXTURE_BINDING_1D)
+ VAR_INT(TEXTURE_BINDING_2D)
+/* VAR_INT(TEXTURE_BINDING_3D)*/
+
+ /* GetTexImage() */
+ /* GetTexLevelParameter() */
+ /* GetTexEnv() */
+
+ VAR_BOOL(TEXTURE_GEN_S)
+ VAR_BOOL(TEXTURE_GEN_T)
+ VAR_BOOL(TEXTURE_GEN_R)
+ VAR_BOOL(TEXTURE_GEN_Q)
+
+ /* GetTexGen() */
+
+ VAR_BOOL(SCISSOR_TEST)
+ VAR_INT4(SCISSOR_BOX)
+ VAR_BOOL(ALPHA_TEST)
+ VAR_ENUM(ALPHA_TEST_FUNC)
+ VAR_FLOAT(ALPHA_TEST_REF)
+ VAR_BOOL(STENCIL_TEST)
+ VAR_ENUM(STENCIL_FUNC)
+ VAR_HEXINT(STENCIL_VALUE_MASK)
+ VAR_INT(STENCIL_REF)
+ VAR_ENUM(STENCIL_FAIL)
+ VAR_ENUM(STENCIL_PASS_DEPTH_FAIL)
+ VAR_ENUM(STENCIL_PASS_DEPTH_PASS)
+ VAR_BOOL(DEPTH_TEST)
+ VAR_ENUM(DEPTH_FUNC)
+ VAR_BOOL(BLEND)
+ VAR_ENUM(BLEND_SRC)
+ VAR_ENUM(BLEND_DST)
+
+ VAR_BOOL(DITHER)
+ VAR_BOOL(LOGIC_OP) /* INDEX_LOGIC_OP */
+ VAR_BOOL(COLOR_LOGIC_OP)
+
+ VAR_ENUM(DRAW_BUFFER)
+ VAR_INT(INDEX_WRITEMASK)
+ VAR_BOOL4(COLOR_WRITEMASK)
+ VAR_BOOL(DEPTH_WRITEMASK)
+ VAR_HEXINT(STENCIL_WRITEMASK)
+ VAR_COLOR(COLOR_CLEAR_VALUE)
+ VAR_INDEX(INDEX_CLEAR_VALUE)
+ VAR_FLOAT(DEPTH_CLEAR_VALUE)
+ VAR_INT(STENCIL_CLEAR_VALUE)
+ VAR_FLOAT(ACCUM_CLEAR_VALUE)
+
+ VAR_BOOL(UNPACK_SWAP_BYTES)
+ VAR_BOOL(UNPACK_LSB_FIRST)
+#ifdef UNPACK_IMAGE_HEIGHT
+ VAR_INT(UNPACK_IMAGE_HEIGHT)
+#endif
+#ifdef UNPACK_SKIP_IMAGES
+ VAR_INT(UNPACK_SKIP_IMAGES)
+#endif
+ VAR_INT(UNPACK_ROW_LENGTH)
+ VAR_INT(UNPACK_SKIP_ROWS)
+ VAR_INT(UNPACK_SKIP_PIXELS)
+ VAR_INT(UNPACK_ALIGNMENT)
+
+ VAR_BOOL(PACK_SWAP_BYTES)
+ VAR_BOOL(PACK_LSB_FIRST)
+#ifdef PACK_IMAGE_HEIGHT
+ VAR_INT(PACK_IMAGE_HEIGHT)
+#endif
+#ifdef PACK_SKIP_IMAGES
+ VAR_INT(PACK_SKIP_IMAGES)
+#endif
+ VAR_INT(PACK_ROW_LENGTH)
+ VAR_INT(PACK_SKIP_ROWS)
+ VAR_INT(PACK_SKIP_PIXELS)
+ VAR_INT(PACK_ALIGNMENT)
+
+ VAR_BOOL(MAP_COLOR)
+ VAR_BOOL(MAP_STENCIL)
+ VAR_INT(INDEX_SHIFT)
+ VAR_INT(INDEX_OFFSET)
+ VAR_FLOAT(RED_SCALE)
+ VAR_FLOAT(GREEN_SCALE)
+ VAR_FLOAT(BLUE_SCALE)
+ VAR_FLOAT(ALPHA_SCALE)
+ VAR_FLOAT(DEPTH_SCALE)
+ VAR_FLOAT(RED_BIAS)
+ VAR_FLOAT(GREEN_BIAS)
+ VAR_FLOAT(BLUE_BIAS)
+ VAR_FLOAT(ALPHA_BIAS)
+ VAR_FLOAT(DEPTH_BIAS)
+
+ VAR_FLOAT(ZOOM_X)
+ VAR_FLOAT(ZOOM_Y)
+
+ VAR_ENUM(READ_BUFFER)
+
+ VAR_BOOL(AUTO_NORMAL)
+
+ VAR_ENUM(PERSPECTIVE_CORRECTION_HINT)
+ VAR_ENUM(POINT_SMOOTH_HINT)
+ VAR_ENUM(LINE_SMOOTH_HINT)
+ VAR_ENUM(POLYGON_SMOOTH_HINT)
+ VAR_ENUM(FOG_HINT)
+
+ VAR_INT(MAX_LIGHTS)
+ VAR_INT(MAX_CLIP_PLANES)
+ VAR_INT(MAX_MODELVIEW_STACK_DEPTH)
+ VAR_INT(MAX_PROJECTION_STACK_DEPTH)
+ VAR_INT(MAX_TEXTURE_STACK_DEPTH)
+ VAR_INT(SUBPIXEL_BITS)
+#ifdef GL_MAX_3D_TEXTURE_SIZE
+ VAR_INT(MAX_3D_TEXTURE_SIZE)
+#endif
+ VAR_INT(MAX_TEXTURE_SIZE)
+ VAR_INT(MAX_PIXEL_MAP_TABLE)
+ VAR_INT(MAX_NAME_STACK_DEPTH)
+ VAR_INT(MAX_LIST_NESTING)
+ VAR_INT(MAX_EVAL_ORDER)
+ VAR_INT(MAX_VIEWPORT_DIMS)
+ VAR_INT(MAX_ATTRIB_STACK_DEPTH)
+ VAR_INT(MAX_CLIENT_ATTRIB_STACK_DEPTH)
+ VAR_INT(AUX_BUFFERS)
+ VAR_BOOL(RGBA_MODE)
+ VAR_BOOL(INDEX_MODE)
+ VAR_BOOL(DOUBLEBUFFER)
+ VAR_BOOL(STEREO)
+#ifdef GL_ALIASED_POINT_SIZE_RANGE
+ VAR_FLOAT2(ALIASED_POINT_SIZE_RANGE)
+#endif
+#ifdef GL_POINT_SIZE_RANGE
+ VAR_FLOAT2(POINT_SIZE_RANGE) /* SMOOTH_POINT_SIZE_RANGE */
+#endif
+ VAR_FLOAT(POINT_SIZE_GRANULARITY) /* SMOOTH_POINT_SIZE_GRANULARITY */
+#ifdef GL_ALIASED_LINE_WIDTH_RANGE
+ VAR_FLOAT2(ALIASED_LINE_WIDTH_RANGE)
+#endif
+ VAR_FLOAT2(LINE_WIDTH_RANGE) /* SMOOTH_LINE_WIDTH_RANGE */
+ VAR_FLOAT(LINE_WIDTH_GRANULARITY) /* SMOOTH_LINE_WIDTH_GRANULARITY */
+
+#ifdef GL_MAX_ELEMENTS_INDICES
+ VAR_INT(MAX_ELEMENTS_INDICES)
+#endif
+#ifdef GL_MAX_ELEMENTS_VERTICES
+ VAR_INT(MAX_ELEMENTS_VERTICES)
+#endif
+ VAR_INT(RED_BITS)
+ VAR_INT(GREEN_BITS)
+ VAR_INT(BLUE_BITS)
+ VAR_INT(ALPHA_BITS)
+ VAR_INT(INDEX_BITS)
+ VAR_INT(DEPTH_BITS)
+ VAR_INT(STENCIL_BITS)
+ VAR_INT(ACCUM_RED_BITS)
+ VAR_INT(ACCUM_GREEN_BITS)
+ VAR_INT(ACCUM_BLUE_BITS)
+ VAR_INT(ACCUM_ALPHA_BITS)
+
+ VAR_INT(LIST_BASE)
+ VAR_INT(LIST_INDEX)
+ VAR_ENUM(LIST_MODE)
+ VAR_INT(ATTRIB_STACK_DEPTH)
+ VAR_INT(CLIENT_ATTRIB_STACK_DEPTH)
+ VAR_INT(NAME_STACK_DEPTH)
+ VAR_ENUM(RENDER_MODE)
+ VAR_PTR(SELECTION_BUFFER_POINTER)
+ VAR_INT(SELECTION_BUFFER_SIZE)
+ VAR_PTR(FEEDBACK_BUFFER_POINTER)
+ VAR_INT(FEEDBACK_BUFFER_SIZE)
+ VAR_ENUM(FEEDBACK_BUFFER_TYPE)
+
+ /* glGetError() */
+}
+
+/***************************************************************************/
+
+/*#define TEST*/
+#ifdef TEST
+
+#include <GL/glut.h>
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(400, 300);
+ glutInitDisplayMode(GLUT_RGB);
+ glutCreateWindow(argv[0]);
+ dump_opengl_state(stdout);
+ return 0;
+}
+
+#endif
+
diff --git a/progs/util/errcheck.c b/progs/util/errcheck.c
new file mode 100644
index 0000000000..fe9c2973c3
--- /dev/null
+++ b/progs/util/errcheck.c
@@ -0,0 +1,27 @@
+/* errcheck.c */
+
+
+/*
+ * Call this function in your rendering loop to check for GL errors
+ * during development. Remove from release code.
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#incldue <stdio.h>
+
+
+
+GLboolean CheckError( const char *message )
+{
+ GLenum error = glGetError();
+ if (error) {
+ char *err = (char *) gluErrorString( error );
+ fprintf( stderr, "GL Error: %s at %s\n", err, message );
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}
diff --git a/progs/util/glstate.c b/progs/util/glstate.c
new file mode 100644
index 0000000000..4c5db13ec7
--- /dev/null
+++ b/progs/util/glstate.c
@@ -0,0 +1,504 @@
+/* $Id: glstate.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+
+/*
+ * Print GL state information (for debugging)
+ * Copyright (C) 1998 Brian Paul
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+/*
+ * $Log: glstate.c,v $
+ * Revision 1.1 1999/08/19 00:55:42 jtg
+ * Initial revision
+ *
+ * Revision 1.4 1999/06/19 01:36:43 brianp
+ * more features added
+ *
+ * Revision 1.3 1999/02/24 05:16:20 brianp
+ * added still more records to EnumTable
+ *
+ * Revision 1.2 1998/11/24 03:47:54 brianp
+ * added more records to EnumTable
+ *
+ * Revision 1.1 1998/11/24 03:41:16 brianp
+ * Initial revision
+ *
+ */
+
+
+
+#include <assert.h>
+#include <GL/gl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "glstate.h"
+
+
+#define FLOAT 1
+#define INT 2
+#define DOUBLE 3
+#define BOOLEAN 4
+#define ENUM 5
+#define VOID 6
+#define LAST_TOKEN ~0
+
+
+struct EnumRecord {
+ GLenum enumerator; /* GLenum constant */
+ const char *string; /* string name */
+ int getType; /* INT, FLOAT, DOUBLE, BOOLEAN, ENUM, or VOID */
+ int getCount; /* number of values returned by the glGet*v() call */
+};
+
+
+/* XXX Lots more records to add here! Help, anyone? */
+
+static struct EnumRecord EnumTable[] = {
+ { GL_ACCUM_RED_BITS, "GL_ACCUM_RED_BITS", INT, 1 },
+ { GL_ACCUM_GREEN_BITS, "GL_ACCUM_GREEN_BITS", INT, 1 },
+ { GL_ACCUM_BLUE_BITS, "GL_ACCUM_BLUE_BITS", INT, 1 },
+ { GL_ACCUM_ALPHA_BITS, "GL_ACCUM_ALPHA_BITS", INT, 1 },
+ { GL_ACCUM_CLEAR_VALUE, "GL_ACCUM_CLEAR_VALUE", FLOAT, 4 },
+ { GL_ALPHA_BIAS, "GL_ALPHA_BIAS", FLOAT, 1 },
+ { GL_ALPHA_BITS, "GL_ALPHA_BITS", INT, 1 },
+ { GL_ALPHA_SCALE, "GL_ALPHA_SCALE", FLOAT, 1 },
+ { GL_ALPHA_TEST, "GL_ALPHA_TEST", BOOLEAN, 1 },
+ { GL_ALPHA_TEST_FUNC, "GL_ALPHA_TEST_FUNC", ENUM, 1 },
+ { GL_ALWAYS, "GL_ALWAYS", ENUM, 0 },
+ { GL_ALPHA_TEST_REF, "GL_ALPHA_TEST_REF", FLOAT, 1 },
+ { GL_ATTRIB_STACK_DEPTH, "GL_ATTRIB_STACK_DEPTH", INT, 1 },
+ { GL_AUTO_NORMAL, "GL_AUTO_NORMAL", BOOLEAN, 1 },
+ { GL_AUX_BUFFERS, "GL_AUX_BUFFERS", INT, 1 },
+ { GL_BLEND, "GL_BLEND", BOOLEAN, 1 },
+ { GL_BLEND_DST, "GL_BLEND_DST", ENUM, 1 },
+ { GL_BLEND_SRC, "GL_BLEND_SRC", ENUM, 1 },
+ { GL_BLUE_BIAS, "GL_BLUE_BIAS", FLOAT, 1 },
+ { GL_BLUE_BITS, "GL_BLUE_BITS", INT, 1 },
+ { GL_BLUE_SCALE, "GL_BLUE_SCALE", FLOAT, 1 },
+
+ { GL_CLAMP_TO_EDGE, "GL_CLAMP_TO_EDGE", ENUM, 0 },
+ { GL_CLEAR, "GL_CLEAR", ENUM, 0 },
+ { GL_CLIENT_ATTRIB_STACK_DEPTH, "GL_CLIENT_ATTRIB_STACK_DEPTH", INT, 1 },
+ { GL_CLIP_PLANE0, "GL_CLIP_PLANE0", BOOLEAN, 1 },
+ { GL_CLIP_PLANE1, "GL_CLIP_PLANE1", BOOLEAN, 1 },
+ { GL_CLIP_PLANE2, "GL_CLIP_PLANE2", BOOLEAN, 1 },
+ { GL_CLIP_PLANE3, "GL_CLIP_PLANE3", BOOLEAN, 1 },
+ { GL_CLIP_PLANE4, "GL_CLIP_PLANE4", BOOLEAN, 1 },
+ { GL_CLIP_PLANE5, "GL_CLIP_PLANE5", BOOLEAN, 1 },
+ { GL_COEFF, "GL_COEEF", ENUM, 0 },
+ { GL_COLOR, "GL_COLOR", ENUM, 0 },
+ { GL_COLOR_BUFFER_BIT, "GL_COLOR_BUFFER_BIT", ENUM, 0 },
+ { GL_COLOR_CLEAR_VALUE, "GL_COLOR_CLEAR_VALUE", FLOAT, 4 },
+ { GL_COLOR_INDEX, "GL_COLOR_INDEX", ENUM, 0 },
+ { GL_COLOR_MATERIAL, "GL_COLOR_MATERIAL", BOOLEAN, 1 },
+ { GL_COLOR_MATERIAL_FACE, "GL_COLOR_MATERIAL_FACE", ENUM, 1 },
+ { GL_COLOR_MATERIAL_PARAMETER, "GL_COLOR_MATERIAL_PARAMETER", ENUM, 1 },
+ { GL_COLOR_WRITEMASK, "GL_COLOR_WRITEMASK", BOOLEAN, 4 },
+ { GL_COMPILE, "GL_COMPILE", ENUM, 0 },
+ { GL_COMPILE_AND_EXECUTE, "GL_COMPILE_AND_EXECUTE", ENUM, 0 },
+ { GL_COPY, "GL_COPY", ENUM, 0 },
+ { GL_COPY_INVERTED, "GL_COPY_INVERTED", ENUM, 0 },
+ { GL_COPY_PIXEL_TOKEN, "GL_COPY_PIXEL_TOKEN", ENUM, 0 },
+ { GL_CULL_FACE, "GL_CULL_FACE", BOOLEAN, 1 },
+ { GL_CULL_FACE_MODE, "GL_CULL_FACE_MODE", ENUM, 1 },
+ { GL_CURRENT_BIT, "GL_CURRENT_BIT", ENUM, 0 },
+ { GL_CURRENT_COLOR, "GL_CURRENT_COLOR", FLOAT, 4 },
+ { GL_CURRENT_INDEX, "GL_CURRENT_INDEX", INT, 1 },
+ { GL_CURRENT_NORMAL, "GL_CURRENT_NORMAL", FLOAT, 3 },
+ { GL_CURRENT_RASTER_COLOR, "GL_CURRENT_RASTER_COLOR", FLOAT, 4 },
+ { GL_CURRENT_RASTER_DISTANCE, "GL_CURRENT_RASTER_DISTANCE", FLOAT, 1 },
+ { GL_CURRENT_RASTER_INDEX, "GL_CURRENT_RASTER_INDEX", INT, 1 },
+ { GL_CURRENT_RASTER_POSITION, "GL_CURRENT_RASTER_POSITION", FLOAT, 4 },
+ { GL_CURRENT_RASTER_TEXTURE_COORDS, "GL_CURRENT_RASTER_TEXTURE_COORDS", FLOAT, 4 },
+ { GL_CURRENT_RASTER_POSITION_VALID, "GL_CURRENT_RASTER_POSITION_VALID", BOOLEAN, 1 },
+ { GL_CURRENT_TEXTURE_COORDS, "GL_CURRENT_TEXTURE_COORDS", FLOAT, 4 },
+ { GL_CW, "GL_CW", ENUM, 0 },
+ { GL_CCW, "GL_CCW", ENUM, 0 },
+
+ { GL_DECAL, "GL_DECAL", ENUM, 0 },
+ { GL_DECR, "GL_DECR", ENUM, 0 },
+ { GL_DEPTH, "GL_DEPTH", ENUM, 0 },
+ { GL_DEPTH_BIAS, "GL_DEPTH_BIAS", FLOAT, 1 },
+ { GL_DEPTH_BITS, "GL_DEPTH_BITS", INT, 1 },
+ { GL_DEPTH_BUFFER_BIT, "GL_DEPTH_BUFFER_BIT", ENUM, 0 },
+ { GL_DEPTH_CLEAR_VALUE, "GL_DEPTH_CLEAR_VALUE", FLOAT, 1 },
+ { GL_DEPTH_COMPONENT, "GL_DEPTH_COMPONENT", ENUM, 0 },
+ { GL_DEPTH_FUNC, "GL_DEPTH_FUNC", ENUM, 1 },
+ { GL_DEPTH_RANGE, "GL_DEPTH_RANGE", FLOAT, 2 },
+ { GL_DEPTH_SCALE, "GL_DEPTH_SCALE", FLOAT, 1 },
+ { GL_DEPTH_TEST, "GL_DEPTH_TEST", ENUM, 1 },
+ { GL_DEPTH_WRITEMASK, "GL_DEPTH_WRITEMASK", BOOLEAN, 1 },
+ { GL_DIFFUSE, "GL_DIFFUSE", ENUM, 0 }, /*XXX*/
+ { GL_DITHER, "GL_DITHER", BOOLEAN, 1 },
+ { GL_DOMAIN, "GL_DOMAIN", ENUM, 0 },
+ { GL_DONT_CARE, "GL_DONT_CARE", ENUM, 0 },
+ { GL_DOUBLE, "GL_DOUBLE", ENUM, 0 },
+ { GL_DOUBLEBUFFER, "GL_DOUBLEBUFFER", BOOLEAN, 1},
+ { GL_DRAW_BUFFER, "GL_DRAW_BUFFER", ENUM, 1 },
+ { GL_DRAW_PIXEL_TOKEN, "GL_DRAW_PIXEL_TOKEN", ENUM, 0 },
+ { GL_DST_ALPHA, "GL_DST_ALPHA", ENUM, 0 },
+ { GL_DST_COLOR, "GL_DST_COLOR", ENUM, 0 },
+
+ { GL_EDGE_FLAG, "GL_EDGE_FLAG", BOOLEAN, 1 },
+ /* XXX GL_EDGE_FLAG_ARRAY_* */
+ { GL_EMISSION, "GL_EMISSION", ENUM, 0 }, /* XXX */
+ { GL_ENABLE_BIT, "GL_ENABLE_BIT", ENUM, 0 },
+ { GL_EQUAL, "GL_EQUAL", ENUM, 0 },
+ { GL_EQUIV, "GL_EQUIV", ENUM, 0 },
+ { GL_EVAL_BIT, "GL_EVAL_BIT", ENUM, 0 },
+ { GL_EXP, "GL_EXP", ENUM, 0 },
+ { GL_EXP2, "GL_EXP2", ENUM, 0 },
+ { GL_EXTENSIONS, "GL_EXTENSIONS", ENUM, 0 },
+ { GL_EYE_LINEAR, "GL_EYE_LINEAR", ENUM, 0 },
+ { GL_EYE_PLANE, "GL_EYE_PLANE", ENUM, 0 },
+
+ { GL_FALSE, "GL_FALSE", ENUM, 0 },
+ { GL_FASTEST, "GL_FASTEST", ENUM, 0 },
+ { GL_FEEDBACK, "GL_FEEDBACK", ENUM, 0 },
+ { GL_FEEDBACK_BUFFER_POINTER, "GL_FEEDBACK_BUFFER_POINTER", VOID, 0 },
+ { GL_FEEDBACK_BUFFER_SIZE, "GL_FEEDBACK_BUFFER_SIZE", INT, 1 },
+ { GL_FEEDBACK_BUFFER_TYPE, "GL_FEEDBACK_BUFFER_TYPE", INT, 1 },
+ { GL_FILL, "GL_FILL", ENUM, 0 },
+ { GL_FLAT, "GL_FLAT", ENUM, 0 },
+ { GL_FLOAT, "GL_FLOAT", ENUM, 0 },
+ { GL_FOG, "GL_FOG", BOOLEAN, 1 },
+ { GL_FOG_BIT, "GL_FOG_BIT", ENUM, 0 },
+ { GL_FOG_COLOR, "GL_FOG_COLOR", FLOAT, 4 },
+ { GL_FOG_DENSITY, "GL_FOG_DENSITY", FLOAT, 1 },
+ { GL_FOG_END, "GL_FOG_END", FLOAT, 1 },
+ { GL_FOG_HINT, "GL_FOG_HINT", ENUM, 1 },
+ { GL_FOG_INDEX, "GL_FOG_INDEX", INT, 1 },
+ { GL_FOG_MODE, "GL_FOG_MODE", ENUM, 1 },
+ { GL_FOG_START, "GL_FOG_START", FLOAT, 1 },
+ { GL_FRONT, "GL_FRONT", ENUM, 0 },
+ { GL_FRONT_AND_BACK, "GL_FRONT_AND_BACK", ENUM, 0 },
+ { GL_FRONT_FACE, "GL_FRONT_FACE", ENUM, 1 },
+ { GL_FRONT_LEFT, "GL_FRONT_LEFT", ENUM, 0 },
+ { GL_FRONT_RIGHT, "GL_FRONT_RIGHT", ENUM, 0 },
+
+ { GL_GEQUAL, "GL_GEQUAL", ENUM, 0 },
+ { GL_GREATER, "GL_GREATER", ENUM, 0 },
+ { GL_GREEN, "GL_GREEN", ENUM, 0 },
+ { GL_GREEN_BIAS, "GL_GREEN_BIAS", FLOAT, 1 },
+ { GL_GREEN_BITS, "GL_GREEN_BITS", INT, 1 },
+ { GL_GREEN_SCALE, "GL_GREEN_SCALE", FLOAT, 1 },
+
+
+
+ { GL_LESS, "GL_LESS", ENUM, 0 },
+ { GL_LEQUAL, "GL_LEQUAL", ENUM, 0 },
+ { GL_LIGHTING, "GL_LIGHTING", BOOLEAN, 1 },
+ { GL_LINE_SMOOTH, "GL_LINE_SMOOTH", BOOLEAN, 1 },
+ { GL_LINE_STIPPLE, "GL_LINE_STIPPLE", BOOLEAN, 1 },
+ { GL_LINE_STIPPLE_PATTERN, "GL_LINE_STIPPLE_PATTERN", INT, 1 },
+ { GL_LINE_STIPPLE_REPEAT, "GL_LINE_STIPPLE_REPEAT", INT, 1 },
+ { GL_LINE_WIDTH, "GL_LINE_WIDTH", FLOAT, 1 },
+
+ { GL_MODELVIEW_MATRIX, "GL_MODELVIEW_MATRIX", DOUBLE, 16 },
+
+ { GL_NEVER, "GL_NEVER", ENUM, 0 },
+ { GL_NOTEQUAL, "GL_NOTEQUAL", ENUM, 0 },
+
+ { GL_PROJECTION_MATRIX, "GL_PROJECTION_MATRIX", FLOAT, 16 },
+
+ { GL_PACK_SWAP_BYTES, "GL_PACK_SWAP_BYTES", INT, 1 },
+ { GL_PACK_LSB_FIRST, "GL_PACK_LSB_FIRST", INT, 1 },
+ { GL_PACK_ROW_LENGTH, "GL_PACK_ROW_LENGTH", INT, 1 },
+ { GL_PACK_SKIP_PIXELS, "GL_PACK_SKIP_PIXELS", INT, 1 },
+ { GL_PACK_SKIP_ROWS, "GL_PACK_SKIP_ROWS", INT, 1 },
+ { GL_PACK_ALIGNMENT, "GL_PACK_ALIGNMENT", INT, 1 },
+
+ { GL_TRUE, "GL_TRUE", ENUM, 0 },
+
+ { GL_UNPACK_SWAP_BYTES, "GL_UNPACK_SWAP_BYTES", INT, 1 },
+ { GL_UNPACK_LSB_FIRST, "GL_UNPACK_LSB_FIRST", INT, 1 },
+ { GL_UNPACK_ROW_LENGTH, "GL_UNPACK_ROW_LENGTH", INT, 1 },
+ { GL_UNPACK_SKIP_PIXELS, "GL_UNPACK_SKIP_PIXELS", INT, 1 },
+ { GL_UNPACK_SKIP_ROWS, "GL_UNPACK_SKIP_ROWS", INT, 1 },
+ { GL_UNPACK_ALIGNMENT, "GL_UNPACK_ALIGNMENT", INT, 1 },
+
+ { GL_VIEWPORT, "GL_VIEWPORT", INT, 4 },
+
+
+ /*
+ * Extensions
+ */
+
+#if defined(GL_EXT_blend_minmax)
+ { GL_BLEND_EQUATION_EXT, "GL_BLEND_EQUATION_EXT", ENUM, 1 },
+#endif
+#if defined(GL_EXT_blend_color)
+ { GL_BLEND_COLOR_EXT, "GL_BLEND_COLOR_EXT", FLOAT, 4 },
+#endif
+#if defined(GL_EXT_point_parameters)
+ { GL_DISTANCE_ATTENUATION_EXT, "GL_DISTANCE_ATTENUATION_EXT", FLOAT, 1 },
+#endif
+#if defined(GL_INGR_blend_func_separate)
+ { GL_BLEND_SRC_RGB_INGR, "GL_BLEND_SRC_RGB_INGR", ENUM, 1 },
+ { GL_BLEND_DST_RGB_INGR, "GL_BLEND_DST_RGB_INGR", ENUM, 1 },
+ { GL_BLEND_SRC_ALPHA_INGR, "GL_BLEND_SRC_ALPHA_INGR", ENUM, 1 },
+ { GL_BLEND_DST_ALPHA_INGR, "GL_BLEND_DST_ALPHA_INGR", ENUM, 1 },
+#endif
+
+
+ { LAST_TOKEN, "", 0, 0 }
+};
+
+
+static const struct EnumRecord *FindRecord( GLenum var )
+{
+ int i;
+ for (i = 0; EnumTable[i].enumerator != LAST_TOKEN; i++) {
+ if (EnumTable[i].enumerator == var) {
+ return &EnumTable[i];
+ }
+ }
+ return NULL;
+}
+
+
+
+/*
+ * Return the string label for the given enum.
+ */
+const char *GetEnumString( GLenum var )
+{
+ const struct EnumRecord *rec = FindRecord(var);
+ if (rec)
+ return rec->string;
+ else
+ return NULL;
+}
+
+
+
+/*
+ * Print current value of the given state variable.
+ */
+void PrintState( int indent, GLenum var )
+{
+ const struct EnumRecord *rec = FindRecord(var);
+
+ while (indent-- > 0)
+ putchar(' ');
+
+ if (rec) {
+ if (rec->getCount <= 0) {
+ assert(rec->getType == ENUM);
+ printf("%s is not a state variable\n", rec->string);
+ }
+ else {
+ switch (rec->getType) {
+ case INT:
+ {
+ GLint values[100];
+ int i;
+ glGetIntegerv(rec->enumerator, values);
+ printf("%s = ", rec->string);
+ for (i = 0; i < rec->getCount; i++)
+ printf("%d ", values[i]);
+ printf("\n");
+ }
+ break;
+ case FLOAT:
+ {
+ GLfloat values[100];
+ int i;
+ glGetFloatv(rec->enumerator, values);
+ printf("%s = ", rec->string);
+ for (i = 0; i < rec->getCount; i++)
+ printf("%f ", values[i]);
+ printf("\n");
+ }
+ break;
+ case DOUBLE:
+ {
+ GLdouble values[100];
+ int i;
+ glGetDoublev(rec->enumerator, values);
+ printf("%s = ", rec->string);
+ for (i = 0; i < rec->getCount; i++)
+ printf("%f ", (float) values[i]);
+ printf("\n");
+ }
+ break;
+ case BOOLEAN:
+ {
+ GLboolean values[100];
+ int i;
+ glGetBooleanv(rec->enumerator, values);
+ printf("%s = ", rec->string);
+ for (i = 0; i < rec->getCount; i++)
+ printf("%s ", values[i] ? "GL_TRUE" : "GL_FALSE");
+ printf("\n");
+ }
+ break;
+ case ENUM:
+ {
+ GLint values[100];
+ int i;
+ glGetIntegerv(rec->enumerator, values);
+ printf("%s = ", rec->string);
+ for (i = 0; i < rec->getCount; i++) {
+ const char *str = GetEnumString((GLenum) values[i]);
+ if (str)
+ printf("%s ", str);
+ else
+ printf("??? ");
+ }
+ printf("\n");
+ }
+ break;
+ case VOID:
+ {
+ GLvoid *values[100];
+ int i;
+ glGetPointerv(rec->enumerator, values);
+ printf("%s = ", rec->string);
+ for (i = 0; i < rec->getCount; i++) {
+ printf("%p ", values[i]);
+ }
+ printf("\n");
+ }
+ break;
+ default:
+ printf("fatal error in PrintState()\n");
+ abort();
+ }
+ }
+ }
+ else {
+ printf("Unknown GLenum passed to PrintState()\n");
+ }
+}
+
+
+
+/*
+ * Print all glPixelStore-related state.
+ * NOTE: Should write similar functions for lighting, texturing, etc.
+ */
+void PrintPixelStoreState( void )
+{
+ const GLenum enums[] = {
+ GL_PACK_SWAP_BYTES,
+ GL_PACK_LSB_FIRST,
+ GL_PACK_ROW_LENGTH,
+ GL_PACK_SKIP_PIXELS,
+ GL_PACK_SKIP_ROWS,
+ GL_PACK_ALIGNMENT,
+ GL_UNPACK_SWAP_BYTES,
+ GL_UNPACK_LSB_FIRST,
+ GL_UNPACK_ROW_LENGTH,
+ GL_UNPACK_SKIP_PIXELS,
+ GL_UNPACK_SKIP_ROWS,
+ GL_UNPACK_ALIGNMENT,
+ 0
+ };
+ int i;
+ printf("Pixel pack/unpack state:\n");
+ for (i = 0; enums[i]; i++) {
+ PrintState(3, enums[i]);
+ }
+}
+
+
+
+
+/*
+ * Print all state for the given attribute group.
+ */
+void PrintAttribState( GLbitfield attrib )
+{
+ static const GLenum depth_buffer_enums[] = {
+ GL_DEPTH_FUNC,
+ GL_DEPTH_CLEAR_VALUE,
+ GL_DEPTH_TEST,
+ GL_DEPTH_WRITEMASK,
+ 0
+ };
+ static const GLenum fog_enums[] = {
+ GL_FOG,
+ GL_FOG_COLOR,
+ GL_FOG_DENSITY,
+ GL_FOG_START,
+ GL_FOG_END,
+ GL_FOG_INDEX,
+ GL_FOG_MODE,
+ 0
+ };
+ static const GLenum line_enums[] = {
+ GL_LINE_SMOOTH,
+ GL_LINE_STIPPLE,
+ GL_LINE_STIPPLE_PATTERN,
+ GL_LINE_STIPPLE_REPEAT,
+ GL_LINE_WIDTH,
+ 0
+ };
+
+ const GLenum *enumList = NULL;
+
+ switch (attrib) {
+ case GL_DEPTH_BUFFER_BIT:
+ enumList = depth_buffer_enums;
+ printf("GL_DEPTH_BUFFER_BIT state:\n");
+ break;
+ case GL_FOG_BIT:
+ enumList = fog_enums;
+ printf("GL_FOG_BIT state:\n");
+ break;
+ case GL_LINE_BIT:
+ enumList = line_enums;
+ printf("GL_LINE_BIT state:\n");
+ break;
+ default:
+ printf("Bad value in PrintAttribState()\n");
+ }
+
+ if (enumList) {
+ int i;
+ for (i = 0; enumList[i]; i++)
+ PrintState(3, enumList[i]);
+ }
+}
+
+
+/*#define TEST*/
+#ifdef TEST
+
+#include <GL/glut.h>
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(400, 300);
+ glutInitDisplayMode(GLUT_RGB);
+ glutCreateWindow(argv[0]);
+ PrintAttribState(GL_DEPTH_BUFFER_BIT);
+ PrintAttribState(GL_FOG_BIT);
+ PrintAttribState(GL_LINE_BIT);
+ PrintState(0, GL_ALPHA_BITS);
+ PrintState(0, GL_VIEWPORT);
+ PrintState(0, GL_ALPHA_TEST_FUNC);
+ PrintState(0, GL_MODELVIEW_MATRIX);
+ PrintState(0, GL_ALWAYS);
+ PrintPixelStoreState();
+ return 0;
+}
+
+#endif
diff --git a/progs/util/glstate.h b/progs/util/glstate.h
new file mode 100644
index 0000000000..1aa4d21d8e
--- /dev/null
+++ b/progs/util/glstate.h
@@ -0,0 +1,53 @@
+/* $Id: glstate.h,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+
+/*
+ * Print GL state information (for debugging)
+ * Copyright (C) 1998 Brian Paul
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+/*
+ * $Log: glstate.h,v $
+ * Revision 1.1 1999/08/19 00:55:42 jtg
+ * Initial revision
+ *
+ * Revision 1.2 1999/06/19 01:36:43 brianp
+ * more features added
+ *
+ * Revision 1.1 1998/11/24 03:41:16 brianp
+ * Initial revision
+ *
+ */
+
+
+#ifndef GLSTATE_H
+#define GLSTATE_H
+
+
+#include <GL/gl.h>
+
+
+extern const char *GetNameString( GLenum var );
+
+extern void PrintState( int indent, GLenum var );
+
+extern void PrintAttribState( GLbitfield attrib );
+
+extern void PrintPixelStoreState( void );
+
+
+#endif
diff --git a/progs/util/glutskel.c b/progs/util/glutskel.c
new file mode 100644
index 0000000000..8c283f8497
--- /dev/null
+++ b/progs/util/glutskel.c
@@ -0,0 +1,145 @@
+/* $Id: glutskel.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+
+/*
+ * A skeleton/template GLUT program
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+/*
+ * $Log: glutskel.c,v $
+ * Revision 1.1 1999/08/19 00:55:42 jtg
+ * Initial revision
+ *
+ * Revision 1.2 1998/11/07 14:20:14 brianp
+ * added simple rotation, animation of cube
+ *
+ * Revision 1.1 1998/11/07 14:14:37 brianp
+ * Initial revision
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_FALSE;
+
+
+static void Idle( void )
+{
+ Xrot += 3.0;
+ Yrot += 4.0;
+ Zrot += 2.0;
+ glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(Xrot, 1, 0, 0);
+ glRotatef(Yrot, 0, 1, 0);
+ glRotatef(Zrot, 0, 0, 1);
+
+ glutSolidCube(2.0);
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ const GLfloat step = 3.0;
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 'a':
+ Anim = !Anim;
+ if (Anim)
+ glutIdleFunc(Idle);
+ else
+ glutIdleFunc(NULL);
+ break;
+ case 'z':
+ Zrot -= step;
+ break;
+ case 'Z':
+ Zrot += step;
+ break;
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ const GLfloat step = 3.0;
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ Xrot -= step;
+ break;
+ case GLUT_KEY_DOWN:
+ Xrot += step;
+ break;
+ case GLUT_KEY_LEFT:
+ Yrot -= step;
+ break;
+ case GLUT_KEY_RIGHT:
+ Yrot += step;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ /* setup lighting, etc */
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 400, 400 );
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/util/idproj.c b/progs/util/idproj.c
new file mode 100644
index 0000000000..d5ee3409f3
--- /dev/null
+++ b/progs/util/idproj.c
@@ -0,0 +1,26 @@
+/* idproj.c */
+
+
+/*
+ * Setup an identity projection such that glVertex(x,y) maps to
+ * window coordinate (x,y).
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+
+
+
+void IdentityProjection( GLint x, GLint y, GLsizei width, GLsizei height )
+{
+ glViewport( x, y, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho( (GLdouble) x, (GLdouble) y,
+ (GLdouble) width, (GLdouble) height,
+ -1.0, 1.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+}
+
diff --git a/progs/util/imagesgi.cpp b/progs/util/imagesgi.cpp
new file mode 100644
index 0000000000..f5128aabec
--- /dev/null
+++ b/progs/util/imagesgi.cpp
@@ -0,0 +1,369 @@
+/******************************************************************************
+** Filename : imageSgi.cpp
+** UNCLASSIFIED
+**
+** Description : Utility to read SGI image format files. This code was
+** originally a SGI image loading utility provided with the
+** Mesa 3D library @ http://www.mesa3d.org by Brain Paul.
+** This has been extended to read all SGI image formats
+** (e.g. INT, INTA, RGB, RGBA).
+**
+** Revision History:
+** Date Name Description
+** 06/07/99 BRC Initial Release
+**
+** Note:
+**
+** The SGI Image Data (if not RLE)
+**
+** If the image is stored verbatim (without RLE), then image data directly
+** follows the 512 byte header. The data for each scanline of the first
+** channel is written first. If the image has more than 1 channel, all
+** the data for the first channel is written, followed by the remaining
+** channels. If the BPC value is 1, then each scanline is written as XSIZE
+** bytes. If the BPC value is 2, then each scanline is written as XSIZE
+** shorts. These shorts are stored in the byte order described above.
+**
+******************************************************************************/
+#define __IMAGESGI_CPP
+
+#include "imagesgi.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <assert.h>
+
+struct sImageSgiRaw
+{
+ struct sImageSgiHeader header;
+ unsigned char *chan0;
+ unsigned char *chan1;
+ unsigned char *chan2;
+ unsigned char *chan3;
+ unsigned int *rowStart;
+ int *rowSize;
+};
+
+// Static routines
+static struct sImageSgiRaw *ImageSgiRawOpen(char const * const fileName);
+static void ImageSgiRawClose(struct sImageSgiRaw *raw);
+static void ImageSgiRawGetRow(struct sImageSgiRaw *raw, unsigned char *buf,
+ int y, int z);
+static void ImageSgiRawGetData(struct sImageSgiRaw *raw, struct sImageSgi
+*final);
+static void *SwitchEndian16(void *value);
+static void *SwitchEndian32(void *value);
+
+// Static variables
+FILE *mFp = NULL;
+unsigned char *mChanTmp = NULL;
+
+
+/*****************************************************************************/
+struct sImageSgi *ImageSgiOpen(char const * const fileName)
+{
+ struct sImageSgiRaw *raw = NULL;
+ struct sImageSgi *final = NULL;
+
+ raw = ImageSgiRawOpen(fileName);
+ final = new struct sImageSgi;
+
+ assert(final);
+ if(final)
+ {
+ final->header = raw->header;
+ final->data = NULL;
+ ImageSgiRawGetData(raw, final);
+ ImageSgiRawClose(raw);
+ }
+
+ return final;
+} // ImageSgiRawOpen
+
+
+/*****************************************************************************/
+void ImageSgiClose(struct sImageSgi *image)
+{
+
+ if(image)
+ {
+ if(image->data)
+ delete[] image->data;
+ image->data = NULL;
+ delete image;
+ }
+ image = NULL;
+
+ return;
+} // ImageSgiClose
+
+
+/*****************************************************************************/
+static struct sImageSgiRaw *ImageSgiRawOpen(char const * const fileName)
+{
+ struct sImageSgiRaw *raw = NULL;
+ int x;
+ int i;
+ bool swapFlag = false;
+ union
+ {
+ int testWord;
+ char testByte[4];
+ } endianTest;
+ endianTest.testWord = 1;
+
+ // Determine endianess of platform.
+ if(endianTest.testByte[0] == 1)
+ swapFlag = true;
+ else
+ swapFlag = false;
+
+ raw = new struct sImageSgiRaw;
+
+ assert(raw);
+ if(raw)
+ {
+ raw->chan0 = NULL;
+ raw->chan1 = NULL;
+ raw->chan2 = NULL;
+ raw->chan3 = NULL;
+ raw->rowStart = NULL;
+ raw->rowSize = NULL;
+ mFp = fopen(fileName, "rb");
+ assert(mFp);
+
+ fread(&raw->header, sizeof(struct sImageSgiHeader), 1, mFp);
+ if(swapFlag == true)
+ {
+ SwitchEndian16(&raw->header.magic);
+ SwitchEndian16(&raw->header.type);
+ SwitchEndian16(&raw->header.dim);
+ SwitchEndian16(&raw->header.xsize);
+ SwitchEndian16(&raw->header.ysize);
+ SwitchEndian16(&raw->header.zsize);
+ }
+
+ mChanTmp = new unsigned char[raw->header.xsize * raw->header.ysize];
+ assert(mChanTmp);
+ switch(raw->header.zsize)
+ {
+ case 4:
+ raw->chan3 = new unsigned char[raw->header.xsize *
+raw->header.ysize];
+ assert(raw->chan3);
+ case 3:
+ raw->chan2 = new unsigned char[raw->header.xsize *
+raw->header.ysize];
+ assert(raw->chan2);
+ case 2:
+ raw->chan1 = new unsigned char[raw->header.xsize *
+raw->header.ysize];
+ assert(raw->chan1);
+ case 1:
+ raw->chan0 = new unsigned char[raw->header.xsize *
+raw->header.ysize];
+ assert(raw->chan0);
+ }
+
+ if(raw->header.type == IMAGE_SGI_TYPE_RLE)
+ {
+ x = raw->header.ysize * raw->header.zsize * sizeof(unsigned int);
+ raw->rowStart = new unsigned int[x];
+ raw->rowSize = new int[x];
+
+ fseek(mFp, sizeof(struct sImageSgiHeader), SEEK_SET);
+ fread(raw->rowStart, 1, x, mFp);
+ fread(raw->rowSize, 1, x, mFp);
+
+ if(swapFlag == true)
+ {
+ for(i=0; i<x/sizeof(unsigned int); i++)
+ SwitchEndian32(&raw->rowStart[i]);
+ for(i=0; i<x/sizeof(int); i++)
+ SwitchEndian32(&raw->rowSize[i]);
+ }
+
+ }
+
+ }
+
+ return raw;
+} // ImageSgiRawOpen
+
+
+/*****************************************************************************/
+static void ImageSgiRawClose(struct sImageSgiRaw *raw)
+{
+
+ fclose(mFp);
+ mFp = NULL;
+
+ if(mChanTmp)
+ delete[] mChanTmp;
+ mChanTmp = NULL;
+
+ if(raw->chan0)
+ delete[] raw->chan0;
+ raw->chan0 = NULL;
+
+ if(raw->chan1)
+ delete[] raw->chan1;
+ raw->chan1 = NULL;
+
+ if(raw->chan2)
+ delete[] raw->chan2;
+ raw->chan2 = NULL;
+
+ if(raw->chan3)
+ delete[] raw->chan3;
+ raw->chan3 = NULL;
+
+ if(raw)
+ delete raw;
+ raw = NULL;
+
+ return;
+} // ImageSgiRawClose
+
+
+/*****************************************************************************/
+static void ImageSgiRawGetRow(struct sImageSgiRaw *raw, unsigned char *buf,
+ int y, int z)
+{
+ unsigned char *iPtr = NULL;
+ unsigned char *oPtr = NULL;
+ unsigned char pixel;
+ int count;
+
+ if((raw->header.type & 0xFF00) == 0x0100)
+ {
+ fseek(mFp, raw->rowStart[y+z*raw->header.ysize], SEEK_SET);
+ fread(mChanTmp, 1, (unsigned int)raw->rowSize[y+z*raw->header.ysize],
+mFp);
+ iPtr = mChanTmp;
+ oPtr = buf;
+ while(1)
+ {
+ pixel = *iPtr++;
+ count = (int)(pixel & 0x7F);
+ if(!count)
+ {
+ return;
+ }
+ if (pixel & 0x80)
+ {
+ while (count--)
+ {
+ *oPtr++ = *iPtr++;
+ }
+ }
+ else
+ {
+ pixel = *iPtr++;
+ while (count--)
+ {
+ *oPtr++ = pixel;
+ }
+ }
+ }
+ }
+ else
+ {
+ fseek(mFp,
+ sizeof(struct sImageSgiHeader)+(y*raw->header.xsize) +
+ (z*raw->header.xsize*raw->header.ysize),
+ SEEK_SET);
+ fread(buf, 1, raw->header.xsize, mFp);
+ }
+
+ return;
+} // ImageSgiRawGetRow
+
+
+/*****************************************************************************/
+static void ImageSgiRawGetData(struct sImageSgiRaw *raw, struct sImageSgi
+*final)
+{
+ unsigned char *ptr = NULL;
+ int i, j;
+
+ final->data =
+ new unsigned
+char[raw->header.xsize*raw->header.ysize*raw->header.zsize];
+ assert(final->data);
+
+ ptr = final->data;
+ for(i=0; i<raw->header.ysize; i++)
+ {
+ switch(raw->header.zsize)
+ {
+ case 1:
+ ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+ for(j=0; j<raw->header.xsize; j++)
+ *(ptr++) = raw->chan0[j];
+ break;
+ case 2:
+ ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+ ImageSgiRawGetRow(raw, raw->chan1, i, 1);
+ for(j=0; j<raw->header.xsize; j++)
+ {
+ *(ptr++) = raw->chan0[j];
+ *(ptr++) = raw->chan1[j];
+ }
+ break;
+ case 3:
+ ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+ ImageSgiRawGetRow(raw, raw->chan1, i, 1);
+ ImageSgiRawGetRow(raw, raw->chan2, i, 2);
+ for(j=0; j<raw->header.xsize; j++)
+ {
+ *(ptr++) = raw->chan0[j];
+ *(ptr++) = raw->chan1[j];
+ *(ptr++) = raw->chan2[j];
+ }
+ break;
+ case 4:
+ ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+ ImageSgiRawGetRow(raw, raw->chan1, i, 1);
+ ImageSgiRawGetRow(raw, raw->chan2, i, 2);
+ ImageSgiRawGetRow(raw, raw->chan3, i, 3);
+ for(j=0; j<raw->header.xsize; j++)
+ {
+ *(ptr++) = raw->chan0[j];
+ *(ptr++) = raw->chan1[j];
+ *(ptr++) = raw->chan2[j];
+ *(ptr++) = raw->chan3[j];
+ }
+ break;
+ }
+ }
+
+ return;
+} // ImageSgiRawGetData
+
+
+/*****************************************************************************/
+static void *SwitchEndian16(void *value)
+{
+ short value16 = *(short *) value;
+ value16 = ((value16 & 0xff00) >> 8L) +
+ ((value16 & 0x00ff) << 8L);
+ *(short *)value = value16;
+ return value;
+} // SwitchEndian16
+
+
+/*****************************************************************************/
+static void *SwitchEndian32(void *value)
+{
+ int value32 = *(int *) value;
+ value32 = ((value32 & 0xff000000) >> 24L) +
+ ((value32 & 0x00ff0000) >> 8) +
+ ((value32 & 0x0000ff00) << 8) +
+ ((value32 & 0x000000ff) << 24L);
+ *(int *)value = value32;
+ return value;
+} // SwitchEndian32
+
diff --git a/progs/util/imagesgi.h b/progs/util/imagesgi.h
new file mode 100644
index 0000000000..e5ecece49d
--- /dev/null
+++ b/progs/util/imagesgi.h
@@ -0,0 +1,55 @@
+/******************************************************************************
+** Filename : imageSgi.h
+** UNCLASSIFIED
+**
+** Description : Utility to read SGI image format files. This code was
+** originally a SGI image loading utility provided with the
+** Mesa 3D library @ http://www.mesa3d.org by Brain Paul.
+** This has been extended to read all SGI image formats
+** (e.g. INT, INTA, RGB, RGBA).
+**
+** Revision History:
+** Date Name Description
+** 06/08/99 BRC Initial Release
+**
+******************************************************************************/
+
+#ifndef __IMAGESGI_H
+#define __IMAGESGI_H
+
+#define IMAGE_SGI_TYPE_VERBATIM 0
+#define IMAGE_SGI_TYPE_RLE 1
+
+struct sImageSgiHeader // 512 bytes
+{
+ short magic; // IRIS image file magic number (474)
+ char type; // Storage format (e.g. RLE or VERBATIM)
+ char numBytesPerPixelChannel; // Number of bytes per pixel channel
+ unsigned short dim; // Number of dimensions (1 to 3)
+ unsigned short xsize; // Width (in pixels)
+ unsigned short ysize; // Height (in pixels)
+ unsigned short zsize; // Number of channels (1 to 4)
+ int minimumPixelValue; // Minimum pixel value (0 to 255)
+ int maximumPixelValue; // Maximum pixel value (0 to 255)
+ char padding1[4]; // (ignored)
+ char imageName[80]; // Image name
+ int colormap; // colormap ID (0=normal, 0=dithered,
+ // 2=screen, 3=colormap)
+ char padding2[404]; // (ignored)
+};
+
+struct sImageSgi
+{
+ struct sImageSgiHeader header;
+ unsigned char *data;
+};
+
+#ifndef __IMAGESGI_CPP
+
+// RGB image load utility
+extern struct sImageSgi *ImageSgiOpen(char const * const fileName);
+extern void ImageSgiClose(struct sImageSgi *image);
+
+#endif
+
+#endif /* __IMAGESGI_H */
diff --git a/progs/util/mwmborder.c b/progs/util/mwmborder.c
new file mode 100644
index 0000000000..b61ffb50bc
--- /dev/null
+++ b/progs/util/mwmborder.c
@@ -0,0 +1,91 @@
+/* mwmborder.c */
+
+
+/*
+ * This function shows how to remove the border, title bar, resize button,
+ * etc from a Motif window frame from inside an Xlib-based application.
+ *
+ * Brian Paul 19 Sep 1995 brianp@ssec.wisc.edu
+ *
+ * This code is in the public domain.
+ */
+
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+#define HAVE_MOTIF
+#ifdef HAVE_MOTIF
+
+#include <X11/Xm/MwmUtil.h>
+
+#else
+
+/* bit definitions for MwmHints.flags */
+#define MWM_HINTS_FUNCTIONS (1L << 0)
+#define MWM_HINTS_DECORATIONS (1L << 1)
+#define MWM_HINTS_INPUT_MODE (1L << 2)
+#define MWM_HINTS_STATUS (1L << 3)
+
+/* bit definitions for MwmHints.decorations */
+#define MWM_DECOR_ALL (1L << 0)
+#define MWM_DECOR_BORDER (1L << 1)
+#define MWM_DECOR_RESIZEH (1L << 2)
+#define MWM_DECOR_TITLE (1L << 3)
+#define MWM_DECOR_MENU (1L << 4)
+#define MWM_DECOR_MINIMIZE (1L << 5)
+#define MWM_DECOR_MAXIMIZE (1L << 6)
+
+typedef struct
+{
+ unsigned long flags;
+ unsigned long functions;
+ unsigned long decorations;
+ long inputMode;
+ unsigned long status;
+} PropMotifWmHints;
+
+#define PROP_MOTIF_WM_HINTS_ELEMENTS 5
+
+#endif
+
+
+
+/*
+ * Specify which Motif window manager border decorations to put on a
+ * top-level window. For example, you can specify that a window is not
+ * resizabe, or omit the titlebar, or completely remove all decorations.
+ * Input: dpy - the X display
+ * w - the X window
+ * flags - bitwise-OR of the MWM_DECOR_xxx symbols in X11/Xm/MwmUtil.h
+ * indicating what decoration elements to enable. Zero would
+ * be no decoration.
+ */
+void set_mwm_border( Display *dpy, Window w, unsigned long flags )
+{
+ PropMotifWmHints motif_hints;
+ Atom prop, proptype;
+
+ /* setup the property */
+ motif_hints.flags = MWM_HINTS_DECORATIONS;
+ motif_hints.decorations = flags;
+
+ /* get the atom for the property */
+ prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True );
+ if (!prop) {
+ /* something went wrong! */
+ return;
+ }
+
+ /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */
+ proptype = prop;
+
+ XChangeProperty( dpy, w, /* display, window */
+ prop, proptype, /* property, type */
+ 32, /* format: 32-bit datums */
+ PropModeReplace, /* mode */
+ (unsigned char *) &motif_hints, /* data */
+ PROP_MOTIF_WM_HINTS_ELEMENTS /* nelements */
+ );
+}
+
diff --git a/progs/util/readtex.c b/progs/util/readtex.c
new file mode 100644
index 0000000000..7799416924
--- /dev/null
+++ b/progs/util/readtex.c
@@ -0,0 +1,353 @@
+/* readtex.c */
+
+/*
+ * Read an SGI .rgb image file and generate a mipmap texture set.
+ * Much of this code was borrowed from SGI's tk OpenGL toolkit.
+ */
+
+
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+
+
+/*
+** RGB Image Structure
+*/
+
+typedef struct _TK_RGBImageRec {
+ GLint sizeX, sizeY;
+ GLint components;
+ unsigned char *data;
+} TK_RGBImageRec;
+
+
+
+/******************************************************************************/
+
+typedef struct _rawImageRec {
+ unsigned short imagic;
+ unsigned short type;
+ unsigned short dim;
+ unsigned short sizeX, sizeY, sizeZ;
+ unsigned long min, max;
+ unsigned long wasteBytes;
+ char name[80];
+ unsigned long colorMap;
+ FILE *file;
+ unsigned char *tmp, *tmpR, *tmpG, *tmpB, *tmpA;
+ unsigned long rleEnd;
+ GLuint *rowStart;
+ GLint *rowSize;
+} rawImageRec;
+
+/******************************************************************************/
+
+static void ConvertShort(unsigned short *array, long length)
+{
+ unsigned long b1, b2;
+ unsigned char *ptr;
+
+ ptr = (unsigned char *)array;
+ while (length--) {
+ b1 = *ptr++;
+ b2 = *ptr++;
+ *array++ = (unsigned short) ((b1 << 8) | (b2));
+ }
+}
+
+static void ConvertLong(GLuint *array, long length)
+{
+ unsigned long b1, b2, b3, b4;
+ unsigned char *ptr;
+
+ ptr = (unsigned char *)array;
+ while (length--) {
+ b1 = *ptr++;
+ b2 = *ptr++;
+ b3 = *ptr++;
+ b4 = *ptr++;
+ *array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
+ }
+}
+
+static rawImageRec *RawImageOpen(const char *fileName)
+{
+ union {
+ int testWord;
+ char testByte[4];
+ } endianTest;
+ rawImageRec *raw;
+ GLenum swapFlag;
+ int x;
+
+ endianTest.testWord = 1;
+ if (endianTest.testByte[0] == 1) {
+ swapFlag = GL_TRUE;
+ } else {
+ swapFlag = GL_FALSE;
+ }
+
+ raw = (rawImageRec *)malloc(sizeof(rawImageRec));
+ if (raw == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ return NULL;
+ }
+ if ((raw->file = fopen(fileName, "rb")) == NULL) {
+ perror(fileName);
+ return NULL;
+ }
+
+ fread(raw, 1, 12, raw->file);
+
+ if (swapFlag) {
+ ConvertShort(&raw->imagic, 6);
+ }
+
+ raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
+ raw->tmpR = (unsigned char *)malloc(raw->sizeX*256);
+ raw->tmpG = (unsigned char *)malloc(raw->sizeX*256);
+ raw->tmpB = (unsigned char *)malloc(raw->sizeX*256);
+ if (raw->sizeZ==4) {
+ raw->tmpA = (unsigned char *)malloc(raw->sizeX*256);
+ }
+ if (raw->tmp == NULL || raw->tmpR == NULL || raw->tmpG == NULL ||
+ raw->tmpB == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ return NULL;
+ }
+
+ if ((raw->type & 0xFF00) == 0x0100) {
+ x = raw->sizeY * raw->sizeZ * sizeof(GLuint);
+ raw->rowStart = (GLuint *)malloc(x);
+ raw->rowSize = (GLint *)malloc(x);
+ if (raw->rowStart == NULL || raw->rowSize == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ return NULL;
+ }
+ raw->rleEnd = 512 + (2 * x);
+ fseek(raw->file, 512, SEEK_SET);
+ fread(raw->rowStart, 1, x, raw->file);
+ fread(raw->rowSize, 1, x, raw->file);
+ if (swapFlag) {
+ ConvertLong(raw->rowStart, (long) (x/sizeof(GLuint)));
+ ConvertLong((GLuint *)raw->rowSize, (long) (x/sizeof(GLint)));
+ }
+ }
+ return raw;
+}
+
+static void RawImageClose(rawImageRec *raw)
+{
+
+ fclose(raw->file);
+ free(raw->tmp);
+ free(raw->tmpR);
+ free(raw->tmpG);
+ free(raw->tmpB);
+ if (raw->sizeZ>3) {
+ free(raw->tmpA);
+ }
+ free(raw);
+}
+
+static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
+{
+ unsigned char *iPtr, *oPtr, pixel;
+ int count, done = 0;
+
+ if ((raw->type & 0xFF00) == 0x0100) {
+ fseek(raw->file, (long) raw->rowStart[y+z*raw->sizeY], SEEK_SET);
+ fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
+ raw->file);
+
+ iPtr = raw->tmp;
+ oPtr = buf;
+ while (!done) {
+ pixel = *iPtr++;
+ count = (int)(pixel & 0x7F);
+ if (!count) {
+ done = 1;
+ return;
+ }
+ if (pixel & 0x80) {
+ while (count--) {
+ *oPtr++ = *iPtr++;
+ }
+ } else {
+ pixel = *iPtr++;
+ while (count--) {
+ *oPtr++ = pixel;
+ }
+ }
+ }
+ } else {
+ fseek(raw->file, 512+(y*raw->sizeX)+(z*raw->sizeX*raw->sizeY),
+ SEEK_SET);
+ fread(buf, 1, raw->sizeX, raw->file);
+ }
+}
+
+
+static void RawImageGetData(rawImageRec *raw, TK_RGBImageRec *final)
+{
+ unsigned char *ptr;
+ int i, j;
+
+ final->data = (unsigned char *)malloc((raw->sizeX+1)*(raw->sizeY+1)*4);
+ if (final->data == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ }
+
+ ptr = final->data;
+ for (i = 0; i < (int)(raw->sizeY); i++) {
+ RawImageGetRow(raw, raw->tmpR, i, 0);
+ RawImageGetRow(raw, raw->tmpG, i, 1);
+ RawImageGetRow(raw, raw->tmpB, i, 2);
+ if (raw->sizeZ>3) {
+ RawImageGetRow(raw, raw->tmpA, i, 3);
+ }
+ for (j = 0; j < (int)(raw->sizeX); j++) {
+ *ptr++ = *(raw->tmpR + j);
+ *ptr++ = *(raw->tmpG + j);
+ *ptr++ = *(raw->tmpB + j);
+ if (raw->sizeZ>3) {
+ *ptr++ = *(raw->tmpA + j);
+ }
+ }
+ }
+}
+
+
+static TK_RGBImageRec *tkRGBImageLoad(const char *fileName)
+{
+ rawImageRec *raw;
+ TK_RGBImageRec *final;
+
+ raw = RawImageOpen(fileName);
+ if (!raw) {
+ fprintf(stderr, "File not found\n");
+ return NULL;
+ }
+ final = (TK_RGBImageRec *)malloc(sizeof(TK_RGBImageRec));
+ if (final == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ return NULL;
+ }
+ final->sizeX = raw->sizeX;
+ final->sizeY = raw->sizeY;
+ final->components = raw->sizeZ;
+ RawImageGetData(raw, final);
+ RawImageClose(raw);
+ return final;
+}
+
+
+static void FreeImage( TK_RGBImageRec *image )
+{
+ free(image->data);
+ free(image);
+}
+
+
+/*
+ * Load an SGI .rgb file and generate a set of 2-D mipmaps from it.
+ * Input: imageFile - name of .rgb to read
+ * intFormat - internal texture format to use, or number of components
+ * Return: GL_TRUE if success, GL_FALSE if error.
+ */
+GLboolean LoadRGBMipmaps( const char *imageFile, GLint intFormat )
+{
+ GLint error;
+ GLenum format;
+ TK_RGBImageRec *image;
+
+ image = tkRGBImageLoad( imageFile );
+ if (!image) {
+ return GL_FALSE;
+ }
+
+ if (image->components==3) {
+ format = GL_RGB;
+ }
+ else if (image->components==4) {
+ format = GL_RGBA;
+ }
+ else {
+ /* not implemented */
+ fprintf(stderr,
+ "Error in LoadRGBMipmaps %d-component images not implemented\n",
+ image->components );
+ return GL_FALSE;
+ }
+
+ error = gluBuild2DMipmaps( GL_TEXTURE_2D,
+ intFormat,
+ image->sizeX, image->sizeY,
+ format,
+ GL_UNSIGNED_BYTE,
+ image->data );
+
+ FreeImage(image);
+ return error ? GL_FALSE : GL_TRUE;
+}
+
+
+
+/*
+ * Load an SGI .rgb file and return a pointer to the image data.
+ * Input: imageFile - name of .rgb to read
+ * Output: width - width of image
+ * height - height of image
+ * format - format of image (GL_RGB or GL_RGBA)
+ * Return: pointer to image data or NULL if error
+ */
+GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
+ GLenum *format )
+{
+ TK_RGBImageRec *image;
+ GLint bytes;
+ GLubyte *buffer;
+
+ image = tkRGBImageLoad( imageFile );
+ if (!image) {
+ return NULL;
+ }
+
+ if (image->components==3) {
+ *format = GL_RGB;
+ }
+ else if (image->components==4) {
+ *format = GL_RGBA;
+ }
+ else {
+ /* not implemented */
+ fprintf(stderr,
+ "Error in LoadRGBImage %d-component images not implemented\n",
+ image->components );
+ return NULL;
+ }
+
+ *width = image->sizeX;
+ *height = image->sizeY;
+
+ bytes = image->sizeX * image->sizeY * image->components;
+ buffer = (GLubyte *) malloc(bytes);
+ if (!buffer)
+ return NULL;
+
+ memcpy( (void *) buffer, (void *) image->data, bytes );
+
+ FreeImage(image);
+
+ return buffer;
+}
+
diff --git a/progs/util/sampleMakefile b/progs/util/sampleMakefile
new file mode 100644
index 0000000000..ebb57ff3dd
--- /dev/null
+++ b/progs/util/sampleMakefile
@@ -0,0 +1,49 @@
+# $Id: sampleMakefile,v 1.1 1999/08/19 00:55:42 jtg Exp $
+
+# Sample makefile for compiling OpenGL/Mesa applications on Unix.
+# This example assumes Linux with gcc.
+
+# This makefile is in the public domain
+
+# $Log: sampleMakefile,v $
+# Revision 1.1 1999/08/19 00:55:42 jtg
+# Initial revision
+#
+# Revision 1.1 1999/02/24 05:20:45 brianp
+# Initial revision
+#
+
+
+CC = gcc
+
+CFLAGS = -c -g -ansi -pedantic -Wall
+
+INCDIRS = -I. -I../include
+
+LIBDIRS = -L../lib -L/usr/X11/lib
+
+LIBS = -lglut -lMesaGLU -lMesaGL -lX11 -lXext -lXmu -lXt -lXi -lSM -lICE -lm
+
+OBJECTS = main.o \
+ file1.o \
+ file2.o \
+ file3.o
+
+
+PROGRAMS = myprogram
+
+
+.c.o:
+ $(CC) $(CFLAGS) $(INCDIRS) $< -o $@
+
+
+
+default: $(PROGRAMS)
+
+
+dtenvmap: $(OBJECTS)
+ $(CC) $(OBJECTS) $(LIBDIRS) $(LIBS) -o $@
+
+
+clean:
+ rm -f *.o
diff --git a/progs/util/showbuffer.c b/progs/util/showbuffer.c
new file mode 100644
index 0000000000..17f84dc62b
--- /dev/null
+++ b/progs/util/showbuffer.c
@@ -0,0 +1,192 @@
+/* showbuffer.c */
+
+
+/*
+ * Copy the depth buffer to the color buffer as a grayscale image.
+ * Useful for inspecting the depth buffer values.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul November 4, 1998
+ */
+
+
+#include <assert.h>
+#include <stdlib.h>
+#include <GL/gl.h>
+#include "showbuffer.h"
+
+
+
+/*
+ * Copy the depth buffer values into the current color buffer as a
+ * grayscale image.
+ * Input: winWidth, winHeight - size of the window
+ * zBlack - the Z value which should map to black (usually 1)
+ * zWhite - the Z value which should map to white (usually 0)
+ */
+void
+ShowDepthBuffer( GLsizei winWidth, GLsizei winHeight,
+ GLfloat zBlack, GLfloat zWhite )
+{
+ GLfloat *depthValues;
+
+ assert(zBlack >= 0.0);
+ assert(zBlack <= 1.0);
+ assert(zWhite >= 0.0);
+ assert(zWhite <= 1.0);
+ assert(zBlack != zWhite);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+ /* Read depth values */
+ depthValues = (GLfloat *) malloc(winWidth * winHeight * sizeof(GLfloat));
+ assert(depthValues);
+ glReadPixels(0, 0, winWidth, winHeight, GL_DEPTH_COMPONENT,
+ GL_FLOAT, depthValues);
+
+ /* Map Z values from [zBlack, zWhite] to gray levels in [0, 1] */
+ /* Not using glPixelTransfer() because it's broke on some systems! */
+ if (zBlack != 0.0 || zWhite != 1.0) {
+ GLfloat scale = 1.0 / (zWhite - zBlack);
+ GLfloat bias = -zBlack * scale;
+ int n = winWidth * winHeight;
+ int i;
+ for (i = 0; i < n; i++)
+ depthValues[i] = depthValues[i] * scale + bias;
+ }
+
+ /* save GL state */
+ glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT |
+ GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
+
+ /* setup raster pos for glDrawPixels */
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glOrtho(0.0, (GLdouble) winWidth, 0.0, (GLdouble) winHeight, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDisable(GL_STENCIL_TEST);
+ glDisable(GL_DEPTH_TEST);
+ glRasterPos2f(0, 0);
+
+ glDrawPixels(winWidth, winHeight, GL_LUMINANCE, GL_FLOAT, depthValues);
+
+ glPopMatrix();
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ free(depthValues);
+
+ glPopAttrib();
+}
+
+
+
+
+/*
+ * Copy the alpha channel values into the current color buffer as a
+ * grayscale image.
+ * Input: winWidth, winHeight - size of the window
+ */
+void
+ShowAlphaBuffer( GLsizei winWidth, GLsizei winHeight )
+{
+ GLubyte *alphaValues;
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+ /* Read alpha values */
+ alphaValues = (GLubyte *) malloc(winWidth * winHeight * sizeof(GLubyte));
+ assert(alphaValues);
+ glReadPixels(0, 0, winWidth, winHeight, GL_ALPHA, GL_UNSIGNED_BYTE, alphaValues);
+
+ /* save GL state */
+ glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL |
+ GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
+
+ /* setup raster pos for glDrawPixels */
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glOrtho(0.0, (GLdouble) winWidth, 0.0, (GLdouble) winHeight, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDisable(GL_STENCIL_TEST);
+ glDisable(GL_DEPTH_TEST);
+ glRasterPos2f(0, 0);
+
+ glDrawPixels(winWidth, winHeight, GL_LUMINANCE, GL_UNSIGNED_BYTE, alphaValues);
+
+ glPopMatrix();
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ free(alphaValues);
+
+ glPopAttrib();
+}
+
+
+
+/*
+ * Copy the stencil buffer values into the current color buffer as a
+ * grayscale image.
+ * Input: winWidth, winHeight - size of the window
+ * scale, bias - scale and bias to apply to stencil values for display
+ */
+void
+ShowStencilBuffer( GLsizei winWidth, GLsizei winHeight,
+ GLfloat scale, GLfloat bias )
+{
+ GLubyte *stencilValues;
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+ /* Read stencil values */
+ stencilValues = (GLubyte *) malloc(winWidth * winHeight * sizeof(GLubyte));
+ assert(stencilValues);
+ glReadPixels(0, 0, winWidth, winHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilValues);
+
+ /* save GL state */
+ glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT |
+ GL_PIXEL_MODE_BIT | GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
+
+ /* setup raster pos for glDrawPixels */
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glOrtho(0.0, (GLdouble) winWidth, 0.0, (GLdouble) winHeight, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDisable(GL_STENCIL_TEST);
+ glDisable(GL_DEPTH_TEST);
+ glRasterPos2f(0, 0);
+
+ glPixelTransferf(GL_RED_SCALE, scale);
+ glPixelTransferf(GL_RED_BIAS, bias);
+ glPixelTransferf(GL_GREEN_SCALE, scale);
+ glPixelTransferf(GL_GREEN_BIAS, bias);
+ glPixelTransferf(GL_BLUE_SCALE, scale);
+ glPixelTransferf(GL_BLUE_BIAS, bias);
+
+ glDrawPixels(winWidth, winHeight, GL_LUMINANCE, GL_UNSIGNED_BYTE, stencilValues);
+
+ glPopMatrix();
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ free(stencilValues);
+
+ glPopAttrib();
+}
diff --git a/progs/util/showbuffer.h b/progs/util/showbuffer.h
new file mode 100644
index 0000000000..63533d8e9b
--- /dev/null
+++ b/progs/util/showbuffer.h
@@ -0,0 +1,36 @@
+/* showbuffer. h*/
+
+/*
+ * Copy the depth buffer to the color buffer as a grayscale image.
+ * Useful for inspecting the depth buffer values.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul November 4, 1998
+ */
+
+
+#ifndef SHOWBUFFER_H
+#define SHOWBUFFER_H
+
+
+#include <GL/gl.h>
+
+
+
+extern void
+ShowDepthBuffer( GLsizei winWidth, GLsizei winHeight,
+ GLfloat zBlack, GLfloat zWhite );
+
+
+extern void
+ShowAlphaBuffer( GLsizei winWidth, GLsizei winHeight );
+
+
+extern void
+ShowStencilBuffer( GLsizei winWidth, GLsizei winHeight,
+ GLfloat scale, GLfloat bias );
+
+
+
+#endif
diff --git a/progs/util/winpos.c b/progs/util/winpos.c
new file mode 100644
index 0000000000..5ad98fd270
--- /dev/null
+++ b/progs/util/winpos.c
@@ -0,0 +1,42 @@
+/* winpos.c */
+
+
+/*
+ * Set the current raster position to a specific window
+ * coordinate. Also see the GL_MESA_window_pos extension.
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+void WindowPos( GLfloat x, GLfloat y, GLfloat z )
+{
+ GLfloat fx, fy;
+
+ /* Push current matrix mode and viewport attributes */
+ glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT );
+
+ /* Setup projection parameters */
+ glMatrixMode( GL_PROJECTION );
+ glPushMatrix();
+ glLoadIdentity();
+ glMatrixMode( GL_MODELVIEW );
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDepthRange( z, z );
+ glViewport( (int) x - 1, (int) y - 1, 2, 2 );
+
+ /* set the raster (window) position */
+ fx = x - (int) x;
+ fy = y - (int) y;
+ glRasterPos3f( fx, fy, 0.0 );
+
+ /* restore matrices, viewport and matrix mode */
+ glPopMatrix();
+ glMatrixMode( GL_PROJECTION );
+ glPopMatrix();
+
+ glPopAttrib();
+}
+
diff --git a/progs/xdemos/Makefile.X11 b/progs/xdemos/Makefile.X11
new file mode 100644
index 0000000000..ab5dce418d
--- /dev/null
+++ b/progs/xdemos/Makefile.X11
@@ -0,0 +1,58 @@
+# $Id: Makefile.X11,v 1.1 1999/08/19 00:55:43 jtg Exp $
+
+# Mesa 3-D graphics library
+# Version: 3.1
+# Copyright (C) 1995-1999 Brian Paul
+
+# Makefile for non-GLUT (X11, SVGA, etc) demo programs
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -lglut -lGLU -lGL -lm $(XLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = glxdemo glxpixmap offset xdemo
+
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+ $(CC) -I$(INCDIR) $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+
+##### TARGETS #####
+
+default:
+ @echo "Specify a target configuration"
+
+clean:
+ -rm *.o *~
+
+realclean:
+ -rm $(PROGS)
+ -rm *.o *~
+
+targets: $(PROGS)
+
+# execute all programs
+exec: $(PROGS)
+ @for prog in $(PROGS) ; \
+ do \
+ echo -n "Running $$prog ..." ; \
+ $$prog ; \
+ echo ; \
+ done
+
+
+include ../Make-config
+
diff --git a/progs/xdemos/descrip.mms b/progs/xdemos/descrip.mms
new file mode 100644
index 0000000000..aa56c1cec3
--- /dev/null
+++ b/progs/xdemos/descrip.mms
@@ -0,0 +1,79 @@
+# Makefile for demo programs for VMS
+# contributed by Jouk Jansen joukj@crys.chem.uva.nl
+
+
+.first
+ define gl [-.include.gl]
+
+.include [-]mms-config.
+
+##### MACROS #####
+
+INCDIR = [-.include]
+CFLAGS = /include=$(INCDIR)/define=(FBIND=1)
+
+GL_LIBS = [-.lib]libMesaaux/l,libMesatk/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
+
+LIB_DEP = [-.lib]$(GL_LIB) [-.lib]$(GLU_LIB) [-.lib]$(TK_LIB) [-.lib]$(AUX_LIB)
+
+PROGS = bounce.exe;,gamma.exe;,gears.exe;,glxdemo.exe;,glxpixmap.exe;,\
+ isosurf.exe;,offset.exe;,osdemo.exe;,spin.exe;,test0.exe;,\
+ texobj.exe;,xdemo.exe;,reflect.exe;,winpos.exe;
+
+
+
+##### RULES #####
+
+
+##### TARGETS #####
+default :
+ mms $(PROGS)
+
+clean :
+ delete *.obj;*
+
+realclean :
+ delete $(PROGS)
+ delete *.obj;*
+
+bounce.exe; : bounce.obj $(LIB_DEP)
+ link bounce,$(GL_LIBS)
+
+gamma.exe; : gamma.obj $(LIB_DEP)
+ link gamma,$(GL_LIBS)
+
+gears.exe; : gears.obj $(LIB_DEP)
+ link gears,$(GL_LIBS)
+
+glxdemo.exe; : glxdemo.obj $(LIB_DEP)
+ link glxdemo,$(GL_LIBS)
+
+glxpixmap.exe; : glxpixmap.obj $(LIB_DEP)
+ link glxpixmap,$(GL_LIBS)
+
+isosurf.exe; : isosurf.obj $(LIB_DEP)
+ link isosurf,$(GL_LIBS)
+
+offset.exe; : offset.obj $(LIB_DEP)
+ link offset,$(GL_LIBS)
+
+osdemo.exe; : osdemo.obj $(LIB_DEP)
+ link osdemo,$(GL_LIBS)
+
+spin.exe; : spin.obj $(LIB_DEP)
+ link spin,$(GL_LIBS)
+
+test0.exe; : test0.obj $(LIB_DEP)
+ link test0,$(GL_LIBS)
+
+texobj.exe; : texobj.obj $(LIB_DEP)
+ link texobj,$(GL_LIBS)
+
+xdemo.exe; : xdemo.obj $(LIB_DEP)
+ link xdemo,$(GL_LIBS)
+
+reflect.exe; : reflect.obj $(LIB_DEP)
+ link reflect,$(GL_LIBS)
+
+winpos.exe; : winpos.obj $(LIB_DEP)
+ link winpos,$(GL_LIBS)
diff --git a/progs/xdemos/glxdemo.c b/progs/xdemos/glxdemo.c
new file mode 100644
index 0000000000..c49cd85140
--- /dev/null
+++ b/progs/xdemos/glxdemo.c
@@ -0,0 +1,136 @@
+/* $Id: glxdemo.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
+
+
+/*
+ * A demonstration of using the GLX functions. This program is in the
+ * public domain.
+ *
+ * Brian Paul
+ */
+
+
+/*
+ * $Log: glxdemo.c,v $
+ * Revision 1.1 1999/08/19 00:55:43 jtg
+ * Initial revision
+ *
+ * Revision 3.0 1998/02/21 02:16:54 brianp
+ * initial rev
+ *
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+
+static void redraw( Display *dpy, Window w )
+{
+ printf("Redraw event\n");
+
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glColor3f( 1.0, 1.0, 0.0 );
+ glRectf( -0.8, -0.8, 0.8, 0.8 );
+
+ glXSwapBuffers( dpy, w );
+}
+
+
+
+static void resize( unsigned int width, unsigned int height )
+{
+ printf("Resize event\n");
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+}
+
+
+
+static Window make_rgb_db_window( Display *dpy,
+ unsigned int width, unsigned int height )
+{
+ int attrib[] = { GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ GLX_DOUBLEBUFFER,
+ None };
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ GLXContext ctx;
+ XVisualInfo *visinfo;
+
+ scrnum = DefaultScreen( dpy );
+ root = RootWindow( dpy, scrnum );
+
+ visinfo = glXChooseVisual( dpy, scrnum, attrib );
+ if (!visinfo) {
+ printf("Error: couldn't get an RGB, Double-buffered visual\n");
+ exit(1);
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( dpy, root, 0, 0, width, height,
+ 0, visinfo->depth, InputOutput,
+ visinfo->visual, mask, &attr );
+
+ ctx = glXCreateContext( dpy, visinfo, NULL, True );
+
+ glXMakeCurrent( dpy, win, ctx );
+
+ return win;
+}
+
+
+static void event_loop( Display *dpy )
+{
+ XEvent event;
+
+ while (1) {
+ XNextEvent( dpy, &event );
+
+ switch (event.type) {
+ case Expose:
+ redraw( dpy, event.xany.window );
+ break;
+ case ConfigureNotify:
+ resize( event.xconfigure.width, event.xconfigure.height );
+ break;
+ }
+ }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ Display *dpy;
+ Window win;
+
+ dpy = XOpenDisplay(NULL);
+
+ win = make_rgb_db_window( dpy, 300, 300 );
+
+ glShadeModel( GL_FLAT );
+ glClearColor( 0.5, 0.5, 0.5, 1.0 );
+
+ XMapWindow( dpy, win );
+
+ event_loop( dpy );
+ return 0;
+}
diff --git a/progs/xdemos/glxpixmap.c b/progs/xdemos/glxpixmap.c
new file mode 100644
index 0000000000..e4a62c72d9
--- /dev/null
+++ b/progs/xdemos/glxpixmap.c
@@ -0,0 +1,160 @@
+/* $Id: glxpixmap.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
+
+
+/*
+ * A demonstration of using the GLXPixmap functions. This program is in
+ * the public domain.
+ *
+ * Brian Paul
+ */
+
+
+/*
+ * $Id: glxpixmap.c,v 1.1 1999/08/19 00:55:43 jtg Exp $
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+
+static GLXContext ctx;
+static XVisualInfo *visinfo;
+static GC gc;
+
+
+
+static Window make_rgb_window( Display *dpy,
+ unsigned int width, unsigned int height )
+{
+ int attrib[] = { GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None };
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+
+ scrnum = DefaultScreen( dpy );
+ root = RootWindow( dpy, scrnum );
+
+ visinfo = glXChooseVisual( dpy, scrnum, attrib );
+ if (!visinfo) {
+ printf("Error: couldn't get an RGB, Double-buffered visual\n");
+ exit(1);
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ /* TODO: share root colormap if possible */
+ attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( dpy, root, 0, 0, width, height,
+ 0, visinfo->depth, InputOutput,
+ visinfo->visual, mask, &attr );
+
+ /* make an X GC so we can do XCopyArea later */
+ gc = XCreateGC( dpy, win, 0, NULL );
+
+ ctx = glXCreateContext( dpy, visinfo, NULL, True );
+
+ return win;
+}
+
+
+static GLXPixmap make_pixmap( Display *dpy, Window win,
+ unsigned int width, unsigned int height )
+{
+ Pixmap pm;
+ GLXPixmap glxpm;
+ XWindowAttributes attr;
+
+ pm = XCreatePixmap( dpy, win, width, height, visinfo->depth );
+ XGetWindowAttributes( dpy, win, &attr );
+
+ /*
+ * IMPORTANT:
+ * Use the glXCreateGLXPixmapMESA funtion when using Mesa because
+ * Mesa needs to know the colormap associated with a pixmap in order
+ * to render correctly. This is because Mesa allows RGB rendering
+ * into any kind of visual, not just TrueColor or DirectColor.
+ */
+#ifdef GLX_MESA_pixmap_colormap
+ glxpm = glXCreateGLXPixmapMESA( dpy, visinfo, pm, attr.colormap );
+#else
+ /* This will work with Mesa too if the visual is TrueColor or DirectColor */
+ glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
+#endif
+
+ return glxpm;
+}
+
+
+
+static void event_loop( Display *dpy, GLXPixmap pm )
+{
+ XEvent event;
+
+ while (1) {
+ XNextEvent( dpy, &event );
+
+ switch (event.type) {
+ case Expose:
+ printf("Redraw\n");
+ /* copy the image from GLXPixmap to window */
+ XCopyArea( dpy, pm, event.xany.window, /* src, dest */
+ gc, 0, 0, 300, 300, /* gc, src pos, size */
+ 0, 0 ); /* dest pos */
+ break;
+ case ConfigureNotify:
+ /* nothing */
+ break;
+ }
+ }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ Display *dpy;
+ Window win;
+ GLXPixmap pm;
+
+ dpy = XOpenDisplay(NULL);
+
+ win = make_rgb_window( dpy, 300, 300 );
+ pm = make_pixmap( dpy, win, 300, 300 );
+
+#ifdef JUNK
+ glXMakeCurrent( dpy, win, ctx ); /*to make sure ctx is properly initialized*/
+#endif
+
+ glXMakeCurrent( dpy, pm, ctx );
+
+ /* Render an image into the pixmap */
+ glShadeModel( GL_FLAT );
+ glClearColor( 0.5, 0.5, 0.5, 1.0 );
+ glClear( GL_COLOR_BUFFER_BIT );
+ glViewport( 0, 0, 300, 300 );
+ glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+ glColor3f( 0.0, 1.0, 1.0 );
+ glRectf( -0.75, -0.75, 0.75, 0.75 );
+ glFlush();
+
+ /* when a redraw is needed we'll just copy the pixmap image to the window */
+
+ XMapWindow( dpy, win );
+
+ event_loop( dpy, pm );
+ return 0;
+}
diff --git a/progs/xdemos/offset.c b/progs/xdemos/offset.c
new file mode 100644
index 0000000000..158e52a97c
--- /dev/null
+++ b/progs/xdemos/offset.c
@@ -0,0 +1,323 @@
+/****************************************************************************
+Copyright 1995 by Silicon Graphics Incorporated, Mountain View, California.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Silicon Graphics not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+EVENT SHALL SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+****************************************************************************/
+
+/*
+ * Derived from code written by Kurt Akeley, November 1992
+ *
+ * Uses PolygonOffset to draw hidden-line images. PolygonOffset
+ * shifts the z values of polygons an amount that is
+ * proportional to their slope in screen z. This keeps
+ * the lines, which are drawn without displacement, from
+ * interacting with their respective polygons, and
+ * thus eliminates line dropouts.
+ *
+ * The left image shows an ordinary antialiased wireframe image.
+ * The center image shows an antialiased hidden-line image without
+ * PolygonOffset.
+ * The right image shows an antialiased hidden-line image using
+ * PolygonOffset to reduce artifacts.
+ *
+ * Drag with a mouse button pressed to rotate the models.
+ * Press the escape key to exit.
+ */
+
+/*
+ * Modified for OpenGL 1.1 glPolygonOffset() conventions
+ */
+
+
+#include <GL/glx.h>
+#include <GL/glu.h>
+#include <X11/keysym.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+/*#undef GL_EXT_polygon_offset uncomment to use new version*/
+
+
+#ifndef EXIT_FAILURE
+# define EXIT_FAILURE 1
+#endif
+#ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+#endif
+
+#define MAXQUAD 6
+
+typedef float Vertex[3];
+
+typedef Vertex Quad[4];
+
+/* data to define the six faces of a unit cube */
+Quad quads[MAXQUAD] = {
+ { {0,0,0}, {1,0,0}, {1,1,0}, {0,1,0} },
+ { {0,0,1}, {1,0,1}, {1,1,1}, {0,1,1} },
+ { {0,0,0}, {1,0,0}, {1,0,1}, {0,0,1} },
+ { {0,1,0}, {1,1,0}, {1,1,1}, {0,1,1} },
+ { {0,0,0}, {0,0,1}, {0,1,1}, {0,1,0} },
+ { {1,0,0}, {1,0,1}, {1,1,1}, {1,1,0} }
+};
+
+#define WIREFRAME 0
+#define HIDDEN_LINE 1
+
+static void error(const char* prog, const char* msg);
+static void cubes(int mx, int my, int mode);
+static void fill(Quad quad);
+static void outline(Quad quad);
+static void draw_hidden(Quad quad, int mode);
+static void process_input(Display *dpy, Window win);
+static int query_extension(char* extName);
+
+static int attributeList[] = { GLX_RGBA, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 1, None };
+
+static int dimension = 3;
+
+int main(int argc, char** argv) {
+ Display *dpy;
+ XVisualInfo *vi;
+ XSetWindowAttributes swa;
+ Window win;
+ GLXContext cx;
+
+ dpy = XOpenDisplay(0);
+ if (!dpy) error(argv[0], "can't open display");
+
+ vi = glXChooseVisual(dpy, DefaultScreen(dpy), attributeList);
+ if (!vi) error(argv[0], "no suitable visual");
+
+ cx = glXCreateContext(dpy, vi, 0, GL_TRUE);
+
+ swa.colormap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
+ vi->visual, AllocNone);
+
+ swa.border_pixel = 0;
+ swa.event_mask = ExposureMask | StructureNotifyMask | KeyPressMask |
+ ButtonPressMask | ButtonMotionMask;
+ win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, 900, 300,
+ 0, vi->depth, InputOutput, vi->visual,
+ CWBorderPixel|CWColormap|CWEventMask, &swa);
+ XStoreName(dpy, win, "hiddenline");
+ XMapWindow(dpy, win);
+
+ glXMakeCurrent(dpy, win, cx);
+
+ /* check for the polygon offset extension */
+#ifndef GL_VERSION_1_1
+ if (!query_extension("GL_EXT_polygon_offset"))
+ error(argv[0], "polygon_offset extension is not available");
+#else
+ (void) query_extension;
+#endif
+
+ /* set up viewing parameters */
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective(20, 1, 0.1, 20);
+ glMatrixMode(GL_MODELVIEW);
+ glTranslatef(0, 0, -15);
+
+ /* set other relevant state information */
+ glEnable(GL_DEPTH_TEST);
+
+#ifdef GL_EXT_polygon_offset
+ printf("using 1.0 offset extension\n");
+ glPolygonOffsetEXT( 1.0, 0.00001 );
+#else
+ printf("using 1.1 offset\n");
+ glPolygonOffset( 1.0, 0.5 );
+#endif
+
+ glShadeModel( GL_FLAT );
+ glDisable( GL_DITHER );
+
+ /* process events until the user presses ESC */
+ while (1) process_input(dpy, win);
+
+ return 0;
+}
+
+static void
+draw_scene(int mx, int my) {
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glTranslatef(-1.7, 0.0, 0.0);
+ cubes(mx, my, WIREFRAME);
+ glPopMatrix();
+
+ glPushMatrix();
+ cubes(mx, my, HIDDEN_LINE);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(1.7, 0.0, 0.0);
+#ifdef GL_EXT_polygon_offset
+ glEnable(GL_POLYGON_OFFSET_EXT);
+#else
+ glEnable(GL_POLYGON_OFFSET_FILL);
+#endif
+ cubes(mx, my, HIDDEN_LINE);
+#ifdef GL_EXT_polygon_offset
+ glDisable(GL_POLYGON_OFFSET_EXT);
+#else
+ glDisable(GL_POLYGON_OFFSET_FILL);
+#endif
+ glPopMatrix();
+}
+
+
+static void
+cubes(int mx, int my, int mode) {
+ int x, y, z, i;
+
+ /* track the mouse */
+ glRotatef(mx / 2.0, 0, 1, 0);
+ glRotatef(my / 2.0, 1, 0, 0);
+
+ /* draw the lines as hidden polygons */
+ glTranslatef(-0.5, -0.5, -0.5);
+ glScalef(1.0/dimension, 1.0/dimension, 1.0/dimension);
+ for (z = 0; z < dimension; z++) {
+ for (y = 0; y < dimension; y++) {
+ for (x = 0; x < dimension; x++) {
+ glPushMatrix();
+ glTranslatef(x, y, z);
+ glScalef(0.8, 0.8, 0.8);
+ for (i = 0; i < MAXQUAD; i++)
+ draw_hidden(quads[i], mode);
+ glPopMatrix();
+ }
+ }
+ }
+}
+
+static void
+fill(Quad quad) {
+ /* draw a filled polygon */
+ glBegin(GL_QUADS);
+ glVertex3fv(quad[0]);
+ glVertex3fv(quad[1]);
+ glVertex3fv(quad[2]);
+ glVertex3fv(quad[3]);
+ glEnd();
+}
+
+static void
+outline(Quad quad) {
+ /* draw an outlined polygon */
+ glBegin(GL_LINE_LOOP);
+ glVertex3fv(quad[0]);
+ glVertex3fv(quad[1]);
+ glVertex3fv(quad[2]);
+ glVertex3fv(quad[3]);
+ glEnd();
+}
+
+static void
+draw_hidden(Quad quad, int mode) {
+ if (mode == HIDDEN_LINE) {
+ glColor3f(0, 0, 0);
+ fill(quad);
+ }
+
+ /* draw the outline using white, optionally fill the interior with black */
+ glColor3f(1, 1, 1);
+ outline(quad);
+}
+
+static void
+process_input(Display *dpy, Window win) {
+ XEvent event;
+ static int prevx, prevy;
+ static int deltax = 90, deltay = 40;
+
+ do {
+ char buf[31];
+ KeySym keysym;
+
+ XNextEvent(dpy, &event);
+ switch(event.type) {
+ case Expose:
+ break;
+ case ConfigureNotify: {
+ /* this approach preserves a 1:1 viewport aspect ratio */
+ int vX, vY, vW, vH;
+ int eW = event.xconfigure.width, eH = event.xconfigure.height;
+ if (eW >= eH) {
+ vX = 0;
+ vY = (eH - eW) >> 1;
+ vW = vH = eW;
+ } else {
+ vX = (eW - eH) >> 1;
+ vY = 0;
+ vW = vH = eH;
+ }
+ glViewport(vX, vY, vW, vH);
+ }
+ break;
+ case KeyPress:
+ (void) XLookupString(&event.xkey, buf, sizeof(buf), &keysym, NULL);
+ switch (keysym) {
+ case XK_Escape:
+ exit(EXIT_SUCCESS);
+ default:
+ break;
+ }
+ case ButtonPress:
+ prevx = event.xbutton.x;
+ prevy = event.xbutton.y;
+ break;
+ case MotionNotify:
+ deltax += (event.xbutton.x - prevx); prevx = event.xbutton.x;
+ deltay += (event.xbutton.y - prevy); prevy = event.xbutton.y;
+ break;
+ default:
+ break;
+ }
+ } while (XPending(dpy));
+
+ draw_scene(deltax, deltay);
+ glXSwapBuffers(dpy, win);
+}
+
+static void
+error(const char *prog, const char *msg) {
+ fprintf(stderr, "%s: %s\n", prog, msg);
+ exit(EXIT_FAILURE);
+}
+
+static int
+query_extension(char* extName) {
+ char *p = (char *) glGetString(GL_EXTENSIONS);
+ char *end = p + strlen(p);
+ while (p < end) {
+ int n = strcspn(p, " ");
+ if ((strlen(extName) == n) && (strncmp(extName, p, n) == 0))
+ return GL_TRUE;
+ p += (n + 1);
+ }
+ return GL_FALSE;
+}
+
diff --git a/progs/xdemos/shape.c b/progs/xdemos/shape.c
new file mode 100644
index 0000000000..94b9b1f26a
--- /dev/null
+++ b/progs/xdemos/shape.c
@@ -0,0 +1,305 @@
+/* $Id: shape.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
+
+/*
+ * Example of using the X "shape" extension with OpenGL: render a spinning
+ * cube inside of a non-rectangular window.
+ *
+ * Press ESC to exit. Press up/down to change window shape.
+ *
+ * To compile add "shape" to the PROGS list in Makefile.
+ *
+ * Brian Paul
+ * June 16, 1997
+ *
+ * This program is in the public domain.
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <X11/extensions/shape.h>
+#include <GL/glx.h>
+
+#ifndef PI
+#define PI 3.1415926
+#endif
+
+
+static int Width=500, Height=500;
+
+static float Xangle = 0.0, Yangle = 0.0;
+static int Redraw = 0;
+static int Sides = 5;
+static int MinSides = 3;
+static int MaxSides = 20;
+
+
+/*
+ * Draw the OpenGL stuff and do a SwapBuffers.
+ */
+static void display(Display *dpy, Window win)
+{
+ float scale = 1.7;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glPushMatrix();
+
+ glScalef(scale, scale, scale);
+ glRotatef(Xangle, 1.0, 0.0, 0.0);
+ glRotatef(Yangle, 0.0, 1.0, 0.0);
+
+ glColor3f(1.0, 1.0, 1.0);
+ glBegin(GL_LINE_LOOP);
+ glVertex3f(-1.0, -1.0, -1.0);
+ glVertex3f( 1.0, -1.0, -1.0);
+ glVertex3f( 1.0, 1.0, -1.0);
+ glVertex3f(-1.0, 1.0, -1.0);
+ glEnd();
+
+ glBegin(GL_LINE_LOOP);
+ glVertex3f(-1.0, -1.0, 1.0);
+ glVertex3f( 1.0, -1.0, 1.0);
+ glVertex3f( 1.0, 1.0, 1.0);
+ glVertex3f(-1.0, 1.0, 1.0);
+ glEnd();
+
+ glBegin(GL_LINES);
+ glVertex3f(-1.0, -1.0, -1.0); glVertex3f(-1.0, -1.0, 1.0);
+ glVertex3f( 1.0, -1.0, -1.0); glVertex3f( 1.0, -1.0, 1.0);
+ glVertex3f( 1.0, 1.0, -1.0); glVertex3f( 1.0, 1.0, 1.0);
+ glVertex3f(-1.0, 1.0, -1.0); glVertex3f(-1.0, 1.0, 1.0);
+ glEnd();
+
+ glPopMatrix();
+
+ glXSwapBuffers(dpy, win);
+}
+
+
+/*
+ * Called when no events are pending.
+ */
+static void idle(void)
+{
+ Xangle += 2.0;
+ Yangle += 3.3;
+ Redraw = 1;
+}
+
+
+/*
+ * This is called when we have to recompute the window shape bitmask.
+ * We just generate an n-sided regular polygon here but any other shape
+ * would be possible.
+ */
+static void make_shape_mask(Display *dpy, Window win, int width, int height,
+ int sides)
+{
+ Pixmap shapeMask;
+ XGCValues xgcv;
+ GC gc;
+
+ /* allocate 1-bit deep pixmap and a GC */
+ shapeMask = XCreatePixmap(dpy, win, width, height, 1);
+ gc = XCreateGC(dpy, shapeMask, 0, &xgcv);
+
+ /* clear shapeMask to zeros */
+ XSetForeground(dpy, gc, 0);
+ XFillRectangle(dpy, shapeMask, gc, 0, 0, width, height);
+
+ /* draw mask */
+ XSetForeground(dpy, gc, 1);
+ {
+ int cx = width / 2;
+ int cy = height / 2;
+ float angle = 0.0;
+ float step = 2.0 * PI / sides;
+ float radius = width / 2;
+ int i;
+ XPoint points[100];
+ for (i=0;i<sides;i++) {
+ int x = cx + radius * sin(angle);
+ int y = cy - radius * cos(angle);
+ points[i].x = x;
+ points[i].y = y;
+ angle += step;
+ }
+ XFillPolygon(dpy, shapeMask, gc, points, sides, Convex, CoordModeOrigin);
+ }
+
+ /* This is the only SHAPE extension call- simple! */
+ XShapeCombineMask(dpy, win, ShapeBounding, 0, 0, shapeMask, ShapeSet);
+
+ XFreeGC(dpy, gc);
+ XFreePixmap(dpy, shapeMask);
+}
+
+
+/*
+ * Called when window is resized. Do OpenGL viewport and projection stuff.
+ */
+static void reshape(int width, int height)
+{
+ glViewport(0, 0, width, height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1.0, 1.0, -1.0, 1.0, 3.0, 20.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+/*
+ * Process X events.
+ */
+static void event_loop(Display *dpy, Window win)
+{
+ while (1) {
+ XEvent event;
+ if (XPending(dpy)) {
+ XNextEvent(dpy, &event);
+ switch (event.type) {
+ case Expose:
+ display(dpy, event.xexpose.window);
+ break;
+ case ConfigureNotify:
+ Width = event.xconfigure.width;
+ Height = event.xconfigure.height,
+ make_shape_mask(dpy, win, Width, Height, Sides);
+ reshape(Width, Height);
+ break;
+ case KeyPress:
+ {
+ char buf[100];
+ KeySym keySym;
+ XComposeStatus stat;
+ XLookupString(&event.xkey, buf, sizeof(buf), &keySym, &stat);
+ switch (keySym) {
+ case XK_Escape:
+ exit(0);
+ break;
+ case XK_Up:
+ Sides++;
+ if (Sides>MaxSides) Sides = MaxSides;
+ make_shape_mask(dpy, win, Width, Height, Sides);
+ break;
+ case XK_Down:
+ Sides--;
+ if (Sides<MinSides) Sides = MinSides;
+ make_shape_mask(dpy, win, Width, Height, Sides);
+ break;
+ }
+ }
+ break;
+ default:
+ ;;
+ }
+ }
+ else {
+ idle();
+ if (Redraw) {
+ display(dpy, win);
+ Redraw = 0;
+ }
+ }
+ }
+}
+
+
+/*
+ * Allocate a "nice" colormap. This could be better (HP-CR support, etc).
+ */
+static Colormap alloc_colormap(Display *dpy, Window parent, Visual *vis)
+{
+ Screen *scr = DefaultScreenOfDisplay(dpy);
+ int scrnum = DefaultScreen(dpy);
+
+ if (MaxCmapsOfScreen(scr)==1 && vis==DefaultVisual(dpy, scrnum)) {
+ /* The window and root are of the same visual type so */
+ /* share the root colormap. */
+ return DefaultColormap(dpy, scrnum);
+ }
+ else {
+ return XCreateColormap(dpy, parent, vis, AllocNone);
+ }
+}
+
+
+int main(int argc, char *argv[])
+{
+ static int glAttribs[] = {
+ GLX_DOUBLEBUFFER,
+ GLX_RGBA,
+ GLX_DEPTH_SIZE, 1,
+ None
+ };
+ Display *dpy;
+ XVisualInfo *visInfo;
+ int scrn;
+ Window root;
+ Colormap cmap;
+ Window win;
+ XSetWindowAttributes winAttribs;
+ unsigned long winAttribsMask;
+ GLXContext glCtx;
+ int ignore;
+
+ dpy = XOpenDisplay(NULL);
+ if (!dpy) {
+ fprintf(stderr, "Couldn't open default display\n");
+ return 1;
+ }
+
+ /* check that we can use the shape extension */
+ if (!XQueryExtension(dpy, "SHAPE", &ignore, &ignore, &ignore )) {
+ fprintf(stderr, "Display doesn't support shape extension\n");
+ return 1;
+ }
+
+ scrn = DefaultScreen(dpy);
+
+ root = RootWindow(dpy, scrn);
+
+ visInfo = glXChooseVisual(dpy, scrn, glAttribs);
+ if (!visInfo) {
+ fprintf(stderr, "Couldn't get RGB, DB, Z visual\n");
+ return 1;
+ }
+
+ glCtx = glXCreateContext(dpy, visInfo, 0, True);
+ if (!glCtx) {
+ fprintf(stderr, "Couldn't create GL context\n");
+ return 1;
+ }
+
+ cmap = alloc_colormap(dpy, root, visInfo->visual);
+ if (!cmap) {
+ fprintf(stderr, "Couln't create colormap\n");
+ return 1;
+ }
+
+ winAttribs.border_pixel = 0;
+ winAttribs.colormap = cmap;
+ winAttribs.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+ winAttribsMask = CWBorderPixel | CWColormap | CWEventMask;
+ win = XCreateWindow(dpy, root, 0, 0, Width, Height, 0,
+ visInfo->depth, InputOutput,
+ visInfo->visual,
+ winAttribsMask, &winAttribs);
+ XMapWindow(dpy, win);
+
+ glXMakeCurrent(dpy, win, glCtx);
+
+ printf("Press ESC to exit.\n");
+ printf("Press up/down to change window shape.\n");
+
+ event_loop(dpy, win);
+
+ return 0;
+}
diff --git a/progs/xdemos/vgears.c b/progs/xdemos/vgears.c
new file mode 100644
index 0000000000..13d030a8be
--- /dev/null
+++ b/progs/xdemos/vgears.c
@@ -0,0 +1,282 @@
+/* $ID$ */
+
+/*
+ * Spinning gears demo for Linux SVGA/Mesa interface in 32K color mode.
+ *
+ * Compile with: gcc vgears.c -I../include -L../lib -lMesaGL -lX11 -lXext
+ * -lvga -lm -o vgears
+ *
+ * This program is in the public domain.
+ * Brian Paul, January 1996
+ */
+
+
+#include <vga.h>
+#include <math.h>
+#include "GL/svgamesa.h"
+#include "GL/gl.h"
+
+
+int width = 800, height = 600;
+
+SVGAMesaContext vmc;
+
+
+
+/*
+ * Draw a gear wheel. You'll probably want to call this function when
+ * building a display list since we do a lot of trig here.
+ *
+ * Input: inner_radius - radius of hole at center
+ * outer_radius - radius at center of teeth
+ * width - width of gear
+ * teeth - number of teeth
+ * tooth_depth - depth of tooth
+ */
+static void gear( GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+ GLint teeth, GLfloat tooth_depth )
+{
+ GLint i;
+ GLfloat r0, r1, r2;
+ GLfloat angle, da;
+ GLfloat u, v, len;
+
+ r0 = inner_radius;
+ r1 = outer_radius - tooth_depth/2.0;
+ r2 = outer_radius + tooth_depth/2.0;
+
+ da = 2.0*M_PI / teeth / 4.0;
+
+ glShadeModel( GL_FLAT );
+
+ glNormal3f( 0.0, 0.0, 1.0 );
+
+ /* draw front face */
+ glBegin( GL_QUAD_STRIP );
+ for (i=0;i<=teeth;i++) {
+ angle = i * 2.0*M_PI / teeth;
+ glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+ glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
+ glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+ glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+ }
+ glEnd();
+
+ /* draw front sides of teeth */
+ glBegin( GL_QUADS );
+ da = 2.0*M_PI / teeth / 4.0;
+ for (i=0;i<teeth;i++) {
+ angle = i * 2.0*M_PI / teeth;
+
+ glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
+ glVertex3f( r2*cos(angle+da), r2*sin(angle+da), width*0.5 );
+ glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
+ glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+ }
+ glEnd();
+
+
+ glNormal3f( 0.0, 0.0, -1.0 );
+
+ /* draw back face */
+ glBegin( GL_QUAD_STRIP );
+ for (i=0;i<=teeth;i++) {
+ angle = i * 2.0*M_PI / teeth;
+ glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
+ glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+ glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+ glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+ }
+ glEnd();
+
+ /* draw back sides of teeth */
+ glBegin( GL_QUADS );
+ da = 2.0*M_PI / teeth / 4.0;
+ for (i=0;i<teeth;i++) {
+ angle = i * 2.0*M_PI / teeth;
+
+ glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+ glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+ glVertex3f( r2*cos(angle+da), r2*sin(angle+da), -width*0.5 );
+ glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
+ }
+ glEnd();
+
+
+ /* draw outward faces of teeth */
+ glBegin( GL_QUAD_STRIP );
+ for (i=0;i<teeth;i++) {
+ angle = i * 2.0*M_PI / teeth;
+
+ glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
+ glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
+ u = r2*cos(angle+da) - r1*cos(angle);
+ v = r2*sin(angle+da) - r1*sin(angle);
+ len = sqrt( u*u + v*v );
+ u /= len;
+ v /= len;
+ glNormal3f( v, -u, 0.0 );
+ glVertex3f( r2*cos(angle+da), r2*sin(angle+da), width*0.5 );
+ glVertex3f( r2*cos(angle+da), r2*sin(angle+da), -width*0.5 );
+ glNormal3f( cos(angle), sin(angle), 0.0 );
+ glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
+ glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+ u = r1*cos(angle+3*da) - r2*cos(angle+2*da);
+ v = r1*sin(angle+3*da) - r2*sin(angle+2*da);
+ glNormal3f( v, -u, 0.0 );
+ glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+ glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+ glNormal3f( cos(angle), sin(angle), 0.0 );
+ }
+
+ glVertex3f( r1*cos(0), r1*sin(0), width*0.5 );
+ glVertex3f( r1*cos(0), r1*sin(0), -width*0.5 );
+
+ glEnd();
+
+
+ glShadeModel( GL_SMOOTH );
+
+ /* draw inside radius cylinder */
+ glBegin( GL_QUAD_STRIP );
+ for (i=0;i<=teeth;i++) {
+ angle = i * 2.0*M_PI / teeth;
+ glNormal3f( -cos(angle), -sin(angle), 0.0 );
+ glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+ glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+ }
+ glEnd();
+
+}
+
+
+static GLfloat view_rotx=20.0, view_roty=30.0, view_rotz=0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLuint limit;
+static GLuint count = 1;
+
+
+static void draw( void )
+{
+ angle += 2.0;
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef( view_rotx, 1.0, 0.0, 0.0 );
+ glRotatef( view_roty, 0.0, 1.0, 0.0 );
+ glRotatef( view_rotz, 0.0, 0.0, 1.0 );
+
+ glPushMatrix();
+ glTranslatef( -3.0, -2.0, 0.0 );
+ glRotatef( angle, 0.0, 0.0, 1.0 );
+ glCallList(gear1);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef( 3.1, -2.0, 0.0 );
+ glRotatef( -2.0*angle-9.0, 0.0, 0.0, 1.0 );
+ glCallList(gear2);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef( -3.1, 4.2, 0.0 );
+ glRotatef( -2.0*angle-25.0, 0.0, 0.0, 1.0 );
+ glCallList(gear3);
+ glPopMatrix();
+
+ glPopMatrix();
+
+ SVGAMesaSwapBuffers();
+}
+
+
+static void init( void )
+{
+ static GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0 };
+ static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0 };
+ static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0 };
+ static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0 };
+
+ GLfloat w = (float) width / (float) height;
+ GLfloat h = 1.0;
+
+ glLightfv( GL_LIGHT0, GL_POSITION, pos );
+ glEnable( GL_CULL_FACE );
+ glEnable( GL_LIGHTING );
+ glEnable( GL_LIGHT0 );
+ glEnable( GL_DEPTH_TEST );
+
+ /* make the gears */
+ gear1 = glGenLists(1);
+ glNewList(gear1, GL_COMPILE);
+ glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red );
+ gear( 1.0, 4.0, 1.0, 20, 0.7 );
+ glEndList();
+
+ gear2 = glGenLists(1);
+ glNewList(gear2, GL_COMPILE);
+ glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
+ gear( 0.5, 2.0, 2.0, 10, 0.7 );
+ glEndList();
+
+ gear3 = glGenLists(1);
+ glNewList(gear3, GL_COMPILE);
+ glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue );
+ gear( 1.3, 2.0, 0.5, 10, 0.7 );
+ glEndList();
+
+ glEnable( GL_NORMALIZE );
+
+
+ glViewport( 0, 0, width, height );
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ if (width>height) {
+ GLfloat w = (GLfloat) width / (GLfloat) height;
+ glFrustum( -w, w, -1.0, 1.0, 5.0, 60.0 );
+ }
+ else {
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+ glFrustum( -1.0, 1.0, -h, h, 5.0, 60.0 );
+ }
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -40.0 );
+}
+
+void setup( void )
+{
+ vga_init();
+
+ vga_setmode(G800x600x32K);
+/* gl_setcontextvga(G800x600x32K);*/
+
+ vmc = SVGAMesaCreateContext(GL_TRUE);
+ SVGAMesaMakeCurrent( vmc );
+}
+
+
+void end( void )
+{
+ SVGAMesaDestroyContext( vmc );
+
+ vga_setmode( TEXT );
+}
+
+
+int main( int argc, char *argv[] )
+{
+ int i;
+
+ setup();
+ init();
+ for (i=0;i<4;i++) {
+ draw(); /*SVGAMesaSwapBuffers();*/
+ }
+ end();
+ return 0;
+}
diff --git a/progs/xdemos/vindex.c b/progs/xdemos/vindex.c
new file mode 100644
index 0000000000..f9e3192f38
--- /dev/null
+++ b/progs/xdemos/vindex.c
@@ -0,0 +1,66 @@
+/* $Id: vindex.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
+
+/*
+ * Test Linux 8-bit SVGA/Mesa color index mode
+ *
+ * Compile with: gcc vindex.c -I../include -L../lib -lMesaGL -lX11 -lXext
+ * -lvga -lm -o vindex
+ *
+ * This program is in the public domain.
+ * Brian Paul, January 1996
+ */
+
+
+
+#include <vga.h>
+#include "GL/svgamesa.h"
+#include "GL/gl.h"
+
+
+
+static GLint width = 640, height = 480;
+
+
+
+static void display( void )
+{
+ int i, j;
+ int w, h;
+
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho( 0.0, (GLfloat) width, 0.0, (GLfloat) height, -1.0, 1.0 );
+
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ w = width / 16;
+ h = height / 16;
+ for (i=0;i<16;i++) {
+ for (j=0;j<16;j++) {
+ glIndexi( i*16+j );
+ glRecti( i*w, j*h, i*w+w, j*h+h );
+ }
+ }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ SVGAMesaContext vmc;
+ int i;
+
+ vga_init();
+ vga_setmode( G640x480x256 );
+
+ vmc = SVGAMesaCreateContext( GL_FALSE );
+ SVGAMesaMakeCurrent( vmc );
+
+ display();
+ sleep(3);
+
+ SVGAMesaDestroyContext( vmc );
+ vga_setmode( TEXT );
+ return 0;
+}
diff --git a/progs/xdemos/vtest.c b/progs/xdemos/vtest.c
new file mode 100644
index 0000000000..f0900b6ed6
--- /dev/null
+++ b/progs/xdemos/vtest.c
@@ -0,0 +1,83 @@
+/* $Id: vtest.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
+
+/*
+ * Test SVGA/Mesa interface in 32K color mode.
+ *
+ * Compile with: gcc vtest.c -I../include -L../lib -lMesaGL -lX11 -lXext
+ * -lvga -lm -o vtest
+ *
+ * This program is in the public domain.
+ * Brian Paul, January 1996
+ */
+
+
+
+#include <vga.h>
+#include "GL/svgamesa.h"
+#include "GL/gl.h"
+
+
+SVGAMesaContext vmc;
+
+
+
+void setup( void )
+{
+ vga_init();
+
+ vga_setmode(G800x600x32K);
+/* gl_setcontextvga(G800x600x32K);*/
+
+ vmc = SVGAMesaCreateContext( GL_FALSE ); /* single buffered */
+ SVGAMesaMakeCurrent( vmc );
+}
+
+
+void test( void )
+{
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+ glMatrixMode(GL_MODELVIEW);
+
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glBegin( GL_LINES );
+ glColor3f( 1.0, 0.0, 0.0 );
+ glVertex2f( -0.5, 0.5 );
+ glVertex2f( 0.5, 0.5 );
+ glColor3f( 0.0, 1.0, 0.0 );
+ glVertex2f( -0.5, 0.25 );
+ glVertex2f( 0.5, 0.25 );
+ glColor3f( 0.0, 0.0, 1.0 );
+ glVertex2f( -0.5, 0.0 );
+ glVertex2f( 0.5, 0.0 );
+ glEnd();
+
+ glBegin( GL_POLYGON );
+ glColor3f( 1.0, 0.0, 0.0 );
+ glVertex2f( 0.0, 0.7 );
+ glColor3f( 0.0, 1.0, 0.0 );
+ glVertex2f( -0.5, -0.5 );
+ glColor3f( 0.0, 0.0, 1.0 );
+ glVertex2f( 0.5, -0.5 );
+ glEnd();
+
+ sleep(3);
+}
+
+void end( void )
+{
+ SVGAMesaDestroyContext( vmc );
+
+ vga_setmode( TEXT );
+}
+
+
+int main( int argc, char *argv[] )
+{
+ setup();
+ test();
+ end();
+ return 0;
+}
diff --git a/progs/xdemos/xdemo.c b/progs/xdemos/xdemo.c
new file mode 100644
index 0000000000..13facba839
--- /dev/null
+++ b/progs/xdemos/xdemo.c
@@ -0,0 +1,347 @@
+/* $Id: xdemo.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
+
+
+/*
+ * Very simple demo of how to use the Mesa/X11 interface instead of the
+ * glx, tk or aux toolkits. I highly recommend using the GLX interface
+ * instead of the X/Mesa interface, however.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul
+ */
+
+
+/*
+ * $Log: xdemo.c,v $
+ * Revision 1.1 1999/08/19 00:55:43 jtg
+ * Initial revision
+ *
+ * Revision 3.0 1998/02/21 02:16:54 brianp
+ * initial rev
+ *
+ */
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include "GL/xmesa.h"
+#include "GL/gl.h"
+
+
+
+static GLint Black, Red, Green, Blue;
+
+
+
+static void make_window( char *title, int color_flag )
+{
+ int x = 10, y = 10, width = 400, height = 300;
+ Display *dpy;
+ int scr;
+ Window root, win;
+ Colormap cmap;
+ XColor xcolor;
+ int attr_flags;
+ XVisualInfo *visinfo;
+ XSetWindowAttributes attr;
+ XTextProperty tp;
+ XSizeHints sh;
+ XEvent e;
+ XMesaContext context;
+ XMesaVisual visual;
+ XMesaBuffer buffer;
+
+
+ /*
+ * Do the usual X things to make a window.
+ */
+
+ dpy = XOpenDisplay(NULL);
+ if (!dpy) {
+ printf("Couldn't open default display!\n");
+ exit(1);
+ }
+
+ scr = DefaultScreen(dpy);
+ root = RootWindow(dpy, scr);
+
+ /* alloc visinfo struct */
+ visinfo = (XVisualInfo *) malloc( sizeof(XVisualInfo) );
+
+ /* Get a visual and colormap */
+ if (color_flag) {
+ /* Open TrueColor window */
+
+/*
+ if (!XMatchVisualInfo( dpy, scr, 24, TrueColor, visinfo )) {
+ printf("Couldn't get 24-bit TrueColor visual!\n");
+ exit(1);
+ }
+*/
+ if (!XMatchVisualInfo( dpy, scr, 8, PseudoColor, visinfo )) {
+ printf("Couldn't get 8-bit PseudoColor visual!\n");
+ exit(1);
+ }
+
+ cmap = XCreateColormap( dpy, root, visinfo->visual, AllocNone );
+ Black = Red = Green = Blue = 0;
+ }
+ else {
+ /* Open color index window */
+
+ if (!XMatchVisualInfo( dpy, scr, 8, PseudoColor, visinfo )) {
+ printf("Couldn't get 8-bit PseudoColor visual\n");
+ exit(1);
+ }
+
+ cmap = XCreateColormap( dpy, root, visinfo->visual, AllocNone );
+
+ /* Allocate colors */
+ xcolor.red = 0x0;
+ xcolor.green = 0x0;
+ xcolor.blue = 0x0;
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ if (!XAllocColor( dpy, cmap, &xcolor )) {
+ printf("Couldn't allocate black!\n");
+ exit(1);
+ }
+ Black = xcolor.pixel;
+
+ xcolor.red = 0xffff;
+ xcolor.green = 0x0;
+ xcolor.blue = 0x0;
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ if (!XAllocColor( dpy, cmap, &xcolor )) {
+ printf("Couldn't allocate red!\n");
+ exit(1);
+ }
+ Red = xcolor.pixel;
+
+ xcolor.red = 0x0;
+ xcolor.green = 0xffff;
+ xcolor.blue = 0x0;
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ if (!XAllocColor( dpy, cmap, &xcolor )) {
+ printf("Couldn't allocate green!\n");
+ exit(1);
+ }
+ Green = xcolor.pixel;
+
+ xcolor.red = 0x0;
+ xcolor.green = 0x0;
+ xcolor.blue = 0xffff;
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ if (!XAllocColor( dpy, cmap, &xcolor )) {
+ printf("Couldn't allocate blue!\n");
+ exit(1);
+ }
+ Blue = xcolor.pixel;
+ }
+
+ /* set window attributes */
+ attr.colormap = cmap;
+ attr.event_mask = ExposureMask | StructureNotifyMask;
+ attr.border_pixel = BlackPixel( dpy, scr );
+ attr.background_pixel = BlackPixel( dpy, scr );
+ attr_flags = CWColormap | CWEventMask | CWBorderPixel | CWBackPixel;
+
+ /* Create the window */
+ win = XCreateWindow( dpy, root, x,y, width, height, 0,
+ visinfo->depth, InputOutput,
+ visinfo->visual,
+ attr_flags, &attr);
+ if (!win) {
+ printf("Couldn't open window!\n");
+ exit(1);
+ }
+
+ XStringListToTextProperty(&title, 1, &tp);
+ sh.flags = USPosition | USSize;
+ XSetWMProperties(dpy, win, &tp, &tp, 0, 0, &sh, 0, 0);
+ XMapWindow(dpy, win);
+ while (1) {
+ XNextEvent( dpy, &e );
+ if (e.type == MapNotify && e.xmap.window == win) {
+ break;
+ }
+ }
+
+
+ /*
+ * Now do the special Mesa/Xlib stuff!
+ */
+
+ visual = XMesaCreateVisual( dpy, visinfo,
+ (GLboolean) color_flag,
+ GL_FALSE, /* alpha_flag */
+ GL_FALSE, /* db_flag */
+ GL_FALSE, /* stereo flag */
+ GL_FALSE, /* ximage_flag */
+ 0, /* depth size */
+ 0, /* stencil size */
+ 0, /* accum_size */
+ 0 /* level */
+ );
+ if (!visual) {
+ printf("Couldn't create Mesa/X visual!\n");
+ exit(1);
+ }
+
+ /* Create a Mesa rendering context */
+ context = XMesaCreateContext( visual,
+ NULL /* share_list */
+ );
+ if (!context) {
+ printf("Couldn't create Mesa/X context!\n");
+ exit(1);
+ }
+
+ buffer = XMesaCreateWindowBuffer( visual, win );
+ if (!buffer) {
+ printf("Couldn't create Mesa/X buffer!\n");
+ exit(1);
+ }
+
+
+ XMesaMakeCurrent( context, buffer );
+
+ /* Ready to render! */
+}
+
+
+
+static void draw_cube( void )
+{
+ /* X faces */
+ glIndexi( Red );
+ glColor3f( 1.0, 0.0, 0.0 );
+ glBegin( GL_POLYGON );
+ glVertex3f( 1.0, 1.0, 1.0 );
+ glVertex3f( 1.0, -1.0, 1.0 );
+ glVertex3f( 1.0, -1.0, -1.0 );
+ glVertex3f( 1.0, 1.0, -1.0 );
+ glEnd();
+
+ glBegin( GL_POLYGON );
+ glVertex3f( -1.0, 1.0, 1.0 );
+ glVertex3f( -1.0, 1.0, -1.0 );
+ glVertex3f( -1.0, -1.0, -1.0 );
+ glVertex3f( -1.0, -1.0, 1.0 );
+ glEnd();
+
+ /* Y faces */
+ glIndexi( Green );
+ glColor3f( 0.0, 1.0, 0.0 );
+ glBegin( GL_POLYGON );
+ glVertex3f( 1.0, 1.0, 1.0 );
+ glVertex3f( 1.0, 1.0, -1.0 );
+ glVertex3f( -1.0, 1.0, -1.0 );
+ glVertex3f( -1.0, 1.0, 1.0 );
+ glEnd();
+
+ glBegin( GL_POLYGON );
+ glVertex3f( 1.0, -1.0, 1.0 );
+ glVertex3f( -1.0, -1.0, 1.0 );
+ glVertex3f( -1.0, -1.0, -1.0 );
+ glVertex3f( 1.0, -1.0, -1.0 );
+ glEnd();
+
+ /* Z faces */
+ glIndexi( Blue );
+ glColor3f( 0.0, 0.0, 1.0 );
+ glBegin( GL_POLYGON );
+ glVertex3f( 1.0, 1.0, 1.0 );
+ glVertex3f( -1.0, 1.0, 1.0 );
+ glVertex3f( -1.0, -1.0, 1.0 );
+ glVertex3f( 1.0, -1.0, 1.0 );
+ glEnd();
+
+ glBegin( GL_POLYGON );
+ glVertex3f( 1.0, 1.0, -1.0 );
+ glVertex3f( 1.0,-1.0, -1.0 );
+ glVertex3f( -1.0,-1.0, -1.0 );
+ glVertex3f( -1.0, 1.0, -1.0 );
+ glEnd();
+}
+
+
+
+
+static void display_loop( void )
+{
+ GLfloat xrot, yrot, zrot;
+
+ xrot = yrot = zrot = 0.0;
+
+ glClearColor( 0.0, 0.0, 0.0, 0.0 );
+ glClearIndex( Black );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 1.0, 10.0 );
+ glTranslatef( 0.0, 0.0, -5.0 );
+
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ glCullFace( GL_BACK );
+ glEnable( GL_CULL_FACE );
+
+ glShadeModel( GL_FLAT );
+
+ while (1) {
+ glClear( GL_COLOR_BUFFER_BIT );
+ glPushMatrix();
+ glRotatef( xrot, 1.0, 0.0, 0.0 );
+ glRotatef( yrot, 0.0, 1.0, 0.0 );
+ glRotatef( zrot, 0.0, 0.0, 1.0 );
+
+ draw_cube();
+
+ glPopMatrix();
+ glFinish();
+
+ xrot += 10.0;
+ yrot += 7.0;
+ zrot -= 3.0;
+ }
+
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+ int mode = 0;
+
+ if (argc >= 2)
+ {
+ if (strcmp(argv[1],"-ci")==0)
+ mode = 0;
+ else if (strcmp(argv[1],"-rgb")==0)
+ mode = 1;
+ else
+ {
+ printf("Bad flag: %s\n", argv[1]);
+ printf("Specify -ci for 8-bit color index or -rgb for RGB mode\n");
+ exit(1);
+ }
+ }
+ else
+ {
+ printf("Specify -ci for 8-bit color index or -rgb for RGB mode\n");
+ printf("Defaulting to 8-bit color index\n");
+ }
+
+ make_window( argv[0], mode );
+
+ display_loop();
+ return 0;
+}
+
diff --git a/progs/xdemos/xfont.c b/progs/xdemos/xfont.c
new file mode 100644
index 0000000000..31bfb4bf94
--- /dev/null
+++ b/progs/xdemos/xfont.c
@@ -0,0 +1,148 @@
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * xfont.c
+ * Draws some text in a bitmapped font. Uses glBitmap()
+ * and other pixel routines. Also demonstrates use of
+ * display lists.
+ */
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glx.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "glaux.h"
+
+GLuint base;
+
+void makeRasterFont(void)
+{
+ XFontStruct *fontInfo;
+ Font id;
+ unsigned int first, last;
+ Display *xdisplay;
+
+ xdisplay = auxXDisplay ();
+ fontInfo = XLoadQueryFont(xdisplay,
+ "-adobe-helvetica-medium-r-normal--17-120-100-100-p-88-iso8859-1");
+ if (fontInfo == NULL) {
+ printf ("no font found\n");
+ exit (0);
+ }
+
+ id = fontInfo->fid;
+ first = fontInfo->min_char_or_byte2;
+ last = fontInfo->max_char_or_byte2;
+
+ base = glGenLists((GLuint) last+1);
+ if (base == 0) {
+ printf ("out of display lists\n");
+ exit (0);
+ }
+ glXUseXFont(id, first, last-first+1, base+first);
+/* *height = fontInfo->ascent + fontInfo->descent;
+ *width = fontInfo->max_bounds.width; */
+}
+
+void printString(char *s)
+{
+ glPushAttrib (GL_LIST_BIT);
+ glListBase(base);
+ glCallLists(strlen(s), GL_UNSIGNED_BYTE, (GLubyte *)s);
+ glPopAttrib ();
+}
+
+void myinit (void)
+{
+ makeRasterFont ();
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ GLfloat white[3] = { 1.0, 1.0, 1.0 };
+ int i, j;
+ char teststring[33];
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3fv(white);
+ for (i = 32; i < 127; i += 32) {
+ glRasterPos2i(20, 200 - 18*(GLint) i/32);
+ for (j = 0; j < 32; j++)
+ teststring[j] = (char) (i+j);
+ teststring[32] = 0;
+ printString(teststring);
+ }
+ glRasterPos2i(20, 100);
+ printString("The quick brown fox jumps");
+ glRasterPos2i(20, 82);
+ printString("over a lazy dog.");
+ glFlush ();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport(0, 0, w, h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho (0.0, (GLfloat) w, 0.0, (GLfloat) h, -1.0, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+/* Main Loop
+ * Open window with initial window size, title bar,
+ * RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ auxInitDisplayMode (AUX_SINGLE | AUX_RGB);
+ auxInitPosition (0, 0, 500, 500);
+ if (!auxInitWindow (argv[0]))
+ auxQuit();
+ auxReshapeFunc (myReshape);
+ myinit ();
+ auxMainLoop(display);
+ return 0;
+}
+
+
+
+