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-rw-r--r--progs/demos/fslight.c2
-rw-r--r--progs/demos/textures.c104
-rw-r--r--progs/trivial/Makefile4
-rw-r--r--progs/trivial/tri-tex.c168
-rw-r--r--progs/trivial/tri.c17
-rw-r--r--progs/trivial/vp-tri-cb-pos.c156
-rw-r--r--progs/trivial/vp-tri-cb-tex.c189
-rw-r--r--progs/trivial/vp-tri-tex.c137
-rw-r--r--progs/vp/vp-tris.c11
-rw-r--r--progs/vp/xform.txt11
10 files changed, 771 insertions, 28 deletions
diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index c7931f4697..e79b5cc197 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -45,7 +45,7 @@ static GLint uTexture;
static GLuint SphereList, RectList, CurList;
static GLint win = 0;
-static GLboolean anim = 0*GL_TRUE;
+static GLboolean anim = GL_TRUE;
static GLboolean wire = GL_FALSE;
static GLboolean pixelLight = GL_TRUE;
diff --git a/progs/demos/textures.c b/progs/demos/textures.c
index 9f11604635..b7bf135d21 100644
--- a/progs/demos/textures.c
+++ b/progs/demos/textures.c
@@ -9,6 +9,9 @@
#include <GL/glut.h>
#include "readtex.h"
+#define TEST_CLAMP 0
+#define TEST_MIPMAPS 0
+
#define MAX_TEXTURES 8
@@ -16,7 +19,8 @@ static int Win;
static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
static GLboolean Anim = GL_TRUE;
static GLboolean Blend = GL_FALSE;
-static GLboolean MipMap = 1+GL_FALSE;
+static GLuint Filter = 0;
+static GLboolean Clamp = GL_FALSE;
static GLuint NumTextures;
static GLuint Textures[MAX_TEXTURES];
@@ -32,6 +36,22 @@ static const char *DefaultFiles[] = {
};
+#define NUM_FILTERS 5
+static
+struct filter {
+ GLenum min, mag;
+ const char *name;
+} FilterModes[NUM_FILTERS] = {
+ { GL_NEAREST, GL_NEAREST, "Nearest,Nearest" },
+ { GL_LINEAR, GL_LINEAR, "Linear,Linear" },
+ { GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST, "NearestMipmapNearest,Nearest" },
+ { GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR, "LinearMipmapNearest,Linear" },
+ { GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR, "LinearMipmapLinear,Linear" }
+};
+
+
+
+
static void
Idle(void)
{
@@ -58,10 +78,17 @@ DrawTextures(void)
glBindTexture(GL_TEXTURE_2D, Textures[i]);
glBegin(GL_POLYGON);
+#if TEST_CLAMP
+ glTexCoord2f( -0.5, -0.5 ); glVertex2f( -ar, -1.0 );
+ glTexCoord2f( 1.5, -0.5 ); glVertex2f( ar, -1.0 );
+ glTexCoord2f( 1.5, 1.5 ); glVertex2f( ar, 1.0 );
+ glTexCoord2f( -0.5, 1.5 ); glVertex2f( -ar, 1.0 );
+#else
glTexCoord2f( 0.0, 0.0 ); glVertex2f( -ar, -1.0 );
glTexCoord2f( 1.0, 0.0 ); glVertex2f( ar, -1.0 );
glTexCoord2f( 1.0, 1.0 ); glVertex2f( ar, 1.0 );
glTexCoord2f( 0.0, 1.0 ); glVertex2f( -ar, 1.0 );
+#endif
glEnd();
glPopMatrix();
@@ -137,19 +164,23 @@ Randomize(void)
static void
-SetTexFilters(void)
+SetTexParams(void)
{
GLuint i;
for (i = 0; i < NumTextures; i++) {
glBindTexture(GL_TEXTURE_2D, Textures[i]);
- if (MipMap) {
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- GL_LINEAR_MIPMAP_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ FilterModes[Filter].min);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+ FilterModes[Filter].mag);
+
+ if (Clamp) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
else {
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
}
}
@@ -163,6 +194,7 @@ Key(unsigned char key, int x, int y)
(void) y;
switch (key) {
case 'a':
+ case ' ':
Anim = !Anim;
if (Anim)
glutIdleFunc(Idle);
@@ -172,12 +204,19 @@ Key(unsigned char key, int x, int y)
case 'b':
Blend = !Blend;
break;
- case 'm':
- MipMap = !MipMap;
- SetTexFilters();
+ case 'f':
+ Filter = (Filter + 1) % NUM_FILTERS;
+ SetTexParams();
break;
case 'r':
Randomize();
+ break;
+#if TEST_CLAMP
+ case 'c':
+ Clamp = !Clamp;
+ SetTexParams();
+ break;
+#endif
case 'z':
Zrot -= step;
break;
@@ -190,9 +229,9 @@ Key(unsigned char key, int x, int y)
break;
}
- printf("Blend=%s MipMap=%s\n",
+ printf("Blend=%s Filter=%s\n",
Blend ? "Y" : "n",
- MipMap ? "Y" : "n");
+ FilterModes[Filter].name);
glutPostRedisplay();
}
@@ -231,15 +270,46 @@ LoadTextures(GLuint n, const char *files[])
glGenTextures(n, Textures);
+ SetTexParams();
+
for (i = 0; i < n; i++) {
GLint w, h;
glBindTexture(GL_TEXTURE_2D, Textures[i]);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#if TEST_MIPMAPS
+ {
+ static const GLubyte color[9][4] = {
+ {255, 0, 0},
+ {0, 255, 0},
+ {0, 0, 255},
+ {0, 255, 255},
+ {255, 0, 255},
+ {255, 255, 0},
+ {255, 128, 255},
+ {128, 128, 128},
+ {64, 64, 64}
+ };
+
+ GLubyte image[256*256*4];
+ int i, level;
+ w = h = 256;
+ for (level = 0; level <= 8; level++) {
+ for (i = 0; i < w * h; i++) {
+ image[i*4+0] = color[level][0];
+ image[i*4+1] = color[level][1];
+ image[i*4+2] = color[level][2];
+ image[i*4+3] = color[level][3];
+ }
+ printf("Load level %d: %d x %d\n", level, w>>level, h>>level);
+ glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w>>level, h>>level, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+ }
+ }
+#else
if (!LoadRGBMipmaps2(files[i], GL_TEXTURE_2D, GL_RGB, &w, &h)) {
printf("Error: couldn't load %s\n", files[i]);
exit(1);
}
+#endif
TexAspect[i] = (float) w / (float) h;
printf("Loaded %s\n", files[i]);
}
@@ -277,7 +347,7 @@ Usage(void)
printf("Keys:\n");
printf(" a - toggle animation\n");
printf(" b - toggle blending\n");
- printf(" m - toggle mipmapping\n");
+ printf(" f - change texture filter mode\n");
printf(" r - randomize\n");
printf(" ESC - exit\n");
}
@@ -288,7 +358,7 @@ main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitWindowPosition(0, 0);
- glutInitWindowSize(400, 400);
+ glutInitWindowSize(700, 700);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
Win = glutCreateWindow(argv[0]);
glutReshapeFunc(Reshape);
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index a4077bd016..3f26798ca6 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -97,6 +97,7 @@ SOURCES = \
tri-query.c \
tri-scissor-tri.c \
tri-stencil.c \
+ tri-tex.c \
tri-tex-3d.c \
tri-tri.c \
tri-unfilled-edgeflag.c \
@@ -126,8 +127,11 @@ SOURCES = \
vp-line-clip.c \
vp-tri.c \
vp-tri-swap.c \
+ vp-tri-tex.c \
vp-tri-imm.c \
vp-tri-cb.c \
+ vp-tri-cb-pos.c \
+ vp-tri-cb-tex.c \
vp-unfilled.c
PROGS = $(SOURCES:%.c=%)
diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c
new file mode 100644
index 0000000000..a0d75b4a33
--- /dev/null
+++ b/progs/trivial/tri-tex.c
@@ -0,0 +1,168 @@
+/*
+ * 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;
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+
+
+#define SIZE 32
+ {
+ GLubyte tex2d[SIZE][SIZE][3];
+ GLint s, t;
+
+ for (s = 0; s < SIZE; s++) {
+ for (t = 0; t < SIZE; t++) {
+#if 0
+ tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+ tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+ tex2d[t][s][2] = 0;
+#else
+ tex2d[t][s][0] = s*255/(SIZE-1);
+ tex2d[t][s][1] = t*255/(SIZE-1);
+ tex2d[t][s][2] = 0;
+#endif
+ }
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+ }
+
+}
+
+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);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(1,-1);
+ glVertex3f( 0.9, -0.9, -0.0);
+ glTexCoord2f(1,1);
+ glVertex3f( 0.9, 0.9, -0.0);
+ glTexCoord2f(-1,0);
+ glVertex3f(-0.9, 0.0, -0.0);
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("First Tri") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index aa45adb6c2..d3c6b59ea5 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -57,16 +57,13 @@ static void Reshape(int width, int height)
static void Key(unsigned char key, int x, int y)
{
-
- switch (key) {
- case 27:
- glutDestroyWindow(win);
- exit(0);
- default:
- return;
- }
-
- glutPostRedisplay();
+ switch (key) {
+ case 27:
+ exit(0);
+ default:
+ glutPostRedisplay();
+ return;
+ }
}
static void Draw(void)
diff --git a/progs/trivial/vp-tri-cb-pos.c b/progs/trivial/vp-tri-cb-pos.c
new file mode 100644
index 0000000000..eb3aa0a8dc
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-pos.c
@@ -0,0 +1,156 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "PARAM Emission = state.material.emission; \n"
+ "PARAM Ambient = state.material.ambient; \n"
+ "PARAM Diffuse = state.material.diffuse; \n"
+ "PARAM Specular = state.material.specular; \n"
+ "DP4 result.position.x, Ambient, vertex.position;\n"
+ "DP4 result.position.y, Diffuse, vertex.position;\n"
+ "DP4 result.position.z, Specular, vertex.position;\n"
+ "DP4 result.position.w, Emission, vertex.position;\n"
+ "MOV result.color, vertex.color;\n"
+ "END\n";
+
+ const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+ const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+ const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+ const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+ glGenProgramsARB(1, &prognum);
+
+ glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+ glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(prog1), (const GLubyte *) prog1);
+
+ assert(glIsProgramARB(prognum));
+ errno = glGetError();
+ printf("glGetError = %d\n", errno);
+ if (errno != GL_NO_ERROR)
+ {
+ GLint errorpos;
+
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+ printf("errorpos: %d\n", errorpos);
+ printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ }
+
+ glEnable(GL_VERTEX_PROGRAM_NV);
+
+}
+
+
+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);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -0.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -0.0);
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -0.0);
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("First Tri") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
new file mode 100644
index 0000000000..1e99d5b6ab
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -0,0 +1,189 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "PARAM Emission = state.material.emission; \n"
+ "PARAM Ambient = state.material.ambient; \n"
+ "PARAM Diffuse = state.material.diffuse; \n"
+ "PARAM Specular = state.material.specular; \n"
+ "DP4 result.position.x, Ambient, vertex.position;\n"
+ "DP4 result.position.y, Diffuse, vertex.position;\n"
+ "DP4 result.position.z, Specular, vertex.position;\n"
+ "DP4 result.position.w, Emission, vertex.position;\n"
+ "MOV result.texcoord[0], vertex.texcoord[0];\n"
+ "END\n";
+
+ const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+ const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+ const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+ const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+ glGenProgramsARB(1, &prognum);
+
+ glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+ glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(prog1), (const GLubyte *) prog1);
+
+ assert(glIsProgramARB(prognum));
+ errno = glGetError();
+ printf("glGetError = %d\n", errno);
+ if (errno != GL_NO_ERROR)
+ {
+ GLint errorpos;
+
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+ printf("errorpos: %d\n", errorpos);
+ printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ }
+
+ glEnable(GL_VERTEX_PROGRAM_NV);
+
+#define SIZE 32
+ {
+ GLubyte tex2d[SIZE][SIZE][3];
+ GLint s, t;
+
+ for (s = 0; s < SIZE; s++) {
+ for (t = 0; t < SIZE; t++) {
+#if 0
+ tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+ tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+ tex2d[t][s][2] = 0;
+#else
+ tex2d[t][s][0] = s*255/(SIZE-1);
+ tex2d[t][s][1] = t*255/(SIZE-1);
+ tex2d[t][s][2] = 0;
+#endif
+ }
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+ }
+
+}
+
+
+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);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(1,-1);
+ glVertex3f( 0.9, -0.9, -0.0);
+ glTexCoord2f(1,1);
+ glVertex3f( 0.9, 0.9, -0.0);
+ glTexCoord2f(-1,0);
+ glVertex3f(-0.9, 0.0, -0.0);
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow("First Tri") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/vp-tri-tex.c b/progs/trivial/vp-tri-tex.c
new file mode 100644
index 0000000000..83ec1ef2e2
--- /dev/null
+++ b/progs/trivial/vp-tri-tex.c
@@ -0,0 +1,137 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.texcoord[0], vertex.texcoord[0];\n"
+ "MOV result.position, vertex.position;\n"
+ "END\n";
+
+
+ glGenProgramsARB(1, &prognum);
+
+ glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+ glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(prog1), (const GLubyte *) prog1);
+
+ assert(glIsProgramARB(prognum));
+ errno = glGetError();
+ printf("glGetError = %d\n", errno);
+ if (errno != GL_NO_ERROR)
+ {
+ GLint errorpos;
+
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+ printf("errorpos: %d\n", errorpos);
+ printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ }
+
+#define SIZE 32
+ {
+ GLubyte tex2d[SIZE][SIZE][3];
+ GLint s, t;
+
+ for (s = 0; s < SIZE; s++) {
+ for (t = 0; t < SIZE; t++) {
+#if 0
+ tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+ tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+ tex2d[t][s][2] = 0;
+#else
+ tex2d[t][s][0] = s*255/(SIZE-1);
+ tex2d[t][s][1] = t*255/(SIZE-1);
+ tex2d[t][s][2] = 0;
+#endif
+ }
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+ }
+
+}
+
+static void Display( void )
+{
+ glClearColor(0.3, 0.3, 0.3, 1);
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glEnable(GL_VERTEX_PROGRAM_NV);
+
+ glBegin(GL_TRIANGLES);
+ glTexCoord2f(1,-1);
+ glVertex3f( 0.9, -0.9, -0.0);
+ glTexCoord2f(1,1);
+ glVertex3f( 0.9, 0.9, -0.0);
+ glTexCoord2f(-1,0);
+ glVertex3f(-0.9, 0.0, -0.0);
+ glEnd();
+
+
+ glFlush();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+ 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();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 250, 250 );
+ glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
index 3fe35f7e3e..58014dd48d 100644
--- a/progs/vp/vp-tris.c
+++ b/progs/vp/vp-tris.c
@@ -155,6 +155,17 @@ static void Init( void )
printf("errorpos: %d\n", errorpos);
printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
}
+
+ {
+ const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+ const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+ const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+ const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+ }
}
diff --git a/progs/vp/xform.txt b/progs/vp/xform.txt
new file mode 100644
index 0000000000..d1548f1f10
--- /dev/null
+++ b/progs/vp/xform.txt
@@ -0,0 +1,11 @@
+!!ARBvp1.0
+PARAM Emission = state.material.emission;
+PARAM Ambient = state.material.ambient;
+PARAM Diffuse = state.material.diffuse;
+PARAM Specular = state.material.specular;
+DP4 result.position.x, Ambient, vertex.position;
+DP4 result.position.y, Diffuse, vertex.position;
+DP4 result.position.z, Specular, vertex.position;
+DP4 result.position.w, Emission, vertex.position;
+MOV result.color, vertex.color;
+END
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-18 08:08:40 +0000