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-rw-r--r--progs/egl/.gitignore4
-rw-r--r--progs/egl/Makefile35
-rw-r--r--progs/egl/demo1.c7
-rw-r--r--progs/egl/demo2.c59
-rw-r--r--progs/egl/demo3.c8
-rw-r--r--progs/egl/eglgears.c11
-rw-r--r--progs/egl/eglinfo.c28
-rw-r--r--progs/egl/egltri.c264
-rw-r--r--progs/egl/peglgears.c449
-rw-r--r--progs/egl/xegl_tri.c359
-rw-r--r--progs/egl/xeglgears.c608
11 files changed, 1792 insertions, 40 deletions
diff --git a/progs/egl/.gitignore b/progs/egl/.gitignore
index 1751108235..497b0ebbe3 100644
--- a/progs/egl/.gitignore
+++ b/progs/egl/.gitignore
@@ -3,3 +3,7 @@ demo2
demo3
eglgears
eglinfo
+egltri
+peglgears
+xeglgears
+xegl_tri
diff --git a/progs/egl/Makefile b/progs/egl/Makefile
index 416d2c04b2..75cd411d93 100644
--- a/progs/egl/Makefile
+++ b/progs/egl/Makefile
@@ -12,8 +12,12 @@ PROGRAMS = \
demo1 \
demo2 \
demo3 \
+ egltri \
eglinfo \
- eglgears
+ eglgears \
+ peglgears \
+ xeglgears \
+ xegl_tri
.c.o:
@@ -45,6 +49,13 @@ demo3.o: demo3.c $(HEADERS)
$(CC) -c $(CFLAGS) -I$(TOP)/include demo3.c
+egltri: egltri.o $(TOP)/$(LIB_DIR)/libEGL.so
+ $(CC) $(CFLAGS) egltri.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
+
+egltri.o: egltri.c $(HEADERS)
+ $(CC) -c $(CFLAGS) -I$(TOP)/include egltri.c
+
+
eglinfo: eglinfo.o $(TOP)/$(LIB_DIR)/libEGL.so
$(CC) $(CFLAGS) $(LDFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
@@ -59,7 +70,29 @@ eglgears.o: eglgears.c $(HEADERS)
$(CC) -c $(CFLAGS) -I$(TOP)/include eglgears.c
+peglgears: peglgears.o $(TOP)/$(LIB_DIR)/libEGL.so
+ $(CC) $(CFLAGS) peglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+peglgears.o: peglgears.c $(HEADERS)
+ $(CC) -c $(CFLAGS) -I$(TOP)/include peglgears.c
+
+
+xeglgears: xeglgears.o $(TOP)/$(LIB_DIR)/libEGL.so
+ $(CC) $(CFLAGS) xeglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+xeglgears.o: xeglgears.c $(HEADERS)
+ $(CC) -c $(CFLAGS) -I$(TOP)/include xeglgears.c
+
+
+xegl_tri: xegl_tri.o $(TOP)/$(LIB_DIR)/libEGL.so
+ $(CC) $(CFLAGS) xegl_tri.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+xegl_tri.o: xegl_tri.c $(HEADERS)
+ $(CC) -c $(CFLAGS) -I$(TOP)/include xegl_tri.c
+
+
clean:
-rm -f *.o *~
-rm -f *.so
-rm -f $(PROGRAMS)
+
diff --git a/progs/egl/demo1.c b/progs/egl/demo1.c
index 9ef17e38b7..49b6624538 100644
--- a/progs/egl/demo1.c
+++ b/progs/egl/demo1.c
@@ -2,7 +2,10 @@
* Exercise EGL API functions
*/
-#include <GLES/egl.h>
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
@@ -102,7 +105,7 @@ main(int argc, char *argv[])
/*
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
*/
- EGLDisplay d = eglGetDisplay("!fb_dri");
+ EGLDisplay d = eglGetDisplay((EGLNativeDisplayType) "!EGL_i915");
assert(d);
if (!eglInitialize(d, &maj, &min)) {
diff --git a/progs/egl/demo2.c b/progs/egl/demo2.c
index 17bbca6158..d7283e13bd 100644
--- a/progs/egl/demo2.c
+++ b/progs/egl/demo2.c
@@ -2,35 +2,54 @@
* Exercise EGL API functions
*/
+#define EGL_EGLEXT_PROTOTYPES
+
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <GLES/egl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
/*#define FRONTBUFFER*/
-static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
+static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,
+ GLfloat r, GLfloat g, GLfloat b)
{
- glBegin( GL_QUADS );
- glVertex2f( x1, y1 );
- glVertex2f( x2, y1 );
- glVertex2f( x2, y2 );
- glVertex2f( x1, y2 );
- glEnd();
+ GLfloat v[4][2], c[4][4];
+ int i;
+
+ v[0][0] = x1; v[0][1] = y1;
+ v[1][0] = x2; v[1][1] = y1;
+ v[2][0] = x2; v[2][1] = y2;
+ v[3][0] = x1; v[3][1] = y2;
+
+ for (i = 0; i < 4; i++) {
+ c[i][0] = r;
+ c[i][1] = g;
+ c[i][2] = b;
+ c[i][3] = 1.0;
+ }
+
+ glVertexPointer(2, GL_FLOAT, 0, v);
+ glColorPointer(4, GL_FLOAT, 0, v);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
}
static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
{
- printf("Redraw event\n");
+ GLfloat r, g, b;
-#ifdef FRONTBUFFER
- glDrawBuffer( GL_FRONT );
-#else
- glDrawBuffer( GL_BACK );
-#endif
+ printf("Redraw event\n");
glClearColor( rand()/(float)RAND_MAX,
rand()/(float)RAND_MAX,
@@ -39,13 +58,14 @@ static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
glClear( GL_COLOR_BUFFER_BIT );
- glColor3f( rand()/(float)RAND_MAX,
- rand()/(float)RAND_MAX,
- rand()/(float)RAND_MAX );
+ r = rand()/(float)RAND_MAX;
+ g = rand()/(float)RAND_MAX;
+ b = rand()/(float)RAND_MAX;
+
glPushMatrix();
glRotatef(rot, 0, 0, 1);
glScalef(.5, .5, .5);
- _subset_Rectf( -1, -1, 1, 1 );
+ _subset_Rectf( -1, -1, 1, 1, r, g, b );
glPopMatrix();
#ifdef FRONTBUFFER
@@ -102,7 +122,7 @@ main(int argc, char *argv[])
/*
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
*/
- EGLDisplay d = eglGetDisplay("!fb_dri");
+ EGLDisplay d = eglGetDisplay((EGLNativeDisplayType) "!EGL_i915");
assert(d);
if (!eglInitialize(d, &maj, &min)) {
@@ -161,7 +181,6 @@ main(int argc, char *argv[])
}
glViewport(0, 0, 1024, 768);
- glDrawBuffer( GL_FRONT );
glClearColor( 0,
1.0,
diff --git a/progs/egl/demo3.c b/progs/egl/demo3.c
index 9edf7c952b..a6096a257e 100644
--- a/progs/egl/demo3.c
+++ b/progs/egl/demo3.c
@@ -2,7 +2,11 @@
* Exercise EGL API functions
*/
-#include <GLES/egl.h>
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GL/gl.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
@@ -576,7 +580,7 @@ main(int argc, char *argv[])
/*
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
*/
- EGLDisplay d = eglGetDisplay(":0");
+ EGLDisplay d = eglGetDisplay("!EGL_i915");
assert(d);
if (!eglInitialize(d, &maj, &min)) {
diff --git a/progs/egl/eglgears.c b/progs/egl/eglgears.c
index 9feee20d88..31346d9523 100644
--- a/progs/egl/eglgears.c
+++ b/progs/egl/eglgears.c
@@ -27,13 +27,16 @@
* Program runs for 5 seconds then exits, outputing framerate to console
*/
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <GL/gl.h>
-#include <GLES/egl.h>
-#include <assert.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
#define MAX_CONFIGS 10
#define MAX_MODES 100
@@ -385,7 +388,7 @@ main(int argc, char *argv[])
}
/* DBR : Create EGL context/surface etc */
- d = eglGetDisplay(":0");
+ d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
assert(d);
if (!eglInitialize(d, &maj, &min)) {
@@ -412,7 +415,7 @@ main(int argc, char *argv[])
eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w);
eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h);
printf("%3d: %d x %d\n", i, w, h);
- if (w > width && h > height && w <= 1280 && h <= 1024) {
+ if (w > width && h > height) {
width = w;
height = h;
chosenMode = i;
diff --git a/progs/egl/eglinfo.c b/progs/egl/eglinfo.c
index f9c2475445..14620a9759 100644
--- a/progs/egl/eglinfo.c
+++ b/progs/egl/eglinfo.c
@@ -25,7 +25,7 @@
*/
-#include <GLES/egl.h>
+#include <EGL/egl.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
@@ -48,15 +48,17 @@ PrintConfigs(EGLDisplay d)
eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
printf("Configurations:\n");
- printf(" bf lv d st colorbuffer dp st supported\n");
- printf(" id sz l b ro r g b a th cl surfaces \n");
- printf("---------------------------------------------------\n");
+ printf(" bf lv d st colorbuffer dp st ms vis supported\n");
+ printf(" id sz l b ro r g b a th cl ns b id surfaces \n");
+ printf("--------------------------------------------------------\n");
for (i = 0; i < numConfigs; i++) {
EGLint id, size, level;
EGLint red, green, blue, alpha;
EGLint depth, stencil;
EGLint surfaces;
EGLint doubleBuf = 1, stereo = 0;
+ EGLint vid;
+ EGLint samples, sampleBuffers;
char surfString[100] = "";
eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
@@ -69,8 +71,12 @@ PrintConfigs(EGLDisplay d)
eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
+ eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_ID, &vid);
eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
+ eglGetConfigAttrib(d, configs[i], EGL_SAMPLES, &samples);
+ eglGetConfigAttrib(d, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers);
+
if (surfaces & EGL_WINDOW_BIT)
strcat(surfString, "win,");
if (surfaces & EGL_PBUFFER_BIT)
@@ -84,12 +90,13 @@ PrintConfigs(EGLDisplay d)
if (strlen(surfString) > 0)
surfString[strlen(surfString) - 1] = 0;
- printf("0x%02x %2d %2d %c %c %2d %2d %2d %2d %2d %2d %-12s\n",
+ printf("0x%02x %2d %2d %c %c %2d %2d %2d %2d %2d %2d %2d%2d 0x%02x %-12s\n",
id, size, level,
doubleBuf ? 'y' : '.',
stereo ? 'y' : '.',
red, green, blue, alpha,
- depth, stencil, surfString);
+ depth, stencil,
+ samples, sampleBuffers, vid, surfString);
}
}
@@ -139,8 +146,7 @@ int
main(int argc, char *argv[])
{
int maj, min;
- /*EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);*/
- EGLDisplay d = eglGetDisplay(":0");
+ EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (!eglInitialize(d, &maj, &min)) {
printf("eglinfo: eglInitialize failed\n");
@@ -150,14 +156,14 @@ main(int argc, char *argv[])
printf("EGL API version: %d.%d\n", maj, min);
printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
+#ifdef EGL_VERSION_1_2
+ printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
+#endif
printf("EGL extensions string:\n");
printf(" %s\n", eglQueryString(d, EGL_EXTENSIONS));
- printf("\n");
PrintConfigs(d);
- printf("\n");
-
PrintModes(d);
eglTerminate(d);
diff --git a/progs/egl/egltri.c b/progs/egl/egltri.c
new file mode 100644
index 0000000000..44096d94a2
--- /dev/null
+++ b/progs/egl/egltri.c
@@ -0,0 +1,264 @@
+/*
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 Jakob Bornecrantz All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This program is based on eglgears and xegl_tri.
+ * Remixed by Jakob Bornecrantz
+ *
+ * No command line options.
+ * Program runs for 5 seconds then exits, outputing framerate to console
+ */
+
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#define MAX_CONFIGS 10
+#define MAX_MODES 100
+
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+ struct timeval tv;
+#ifdef __VMS
+ (void) gettimeofday(&tv, NULL );
+#else
+ struct timezone tz;
+ (void) gettimeofday(&tv, &tz);
+#endif
+ return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+static void draw()
+{
+ static const GLfloat verts[3][2] = {
+ { -1, -1 },
+ { 1, -1 },
+ { 0, 1 }
+ };
+ static const GLfloat colors[3][3] = {
+ { 1, 0, 0 },
+ { 0, 1, 0 },
+ { 0, 0, 1 }
+ };
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+
+ {
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glColorPointer(3, GL_FLOAT, 0, colors);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ }
+
+ glPopMatrix();
+}
+
+static void init()
+{
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+}
+
+/* new window size or exposure */
+static void reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -10.0);
+}
+
+static void run(EGLDisplay dpy, EGLSurface surf, int ttr)
+{
+ double st = current_time();
+ double ct = st;
+ int frames = 0;
+
+ while (ct - st < ttr)
+ {
+ double tt = current_time();
+ double dt = tt - ct;
+ ct = tt;
+
+ draw();
+
+ eglSwapBuffers(dpy, surf);
+
+ frames++;
+ }
+
+ GLfloat seconds = ct - st;
+ GLfloat fps = frames / seconds;
+ printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
+}
+
+int main(int argc, char *argv[])
+{
+ int maj, min;
+ EGLContext ctx;
+ EGLSurface screen_surf;
+ EGLConfig configs[MAX_CONFIGS];
+ EGLint numConfigs, i;
+ EGLBoolean b;
+ EGLDisplay d;
+ EGLint screenAttribs[10];
+ EGLModeMESA mode[MAX_MODES];
+ EGLScreenMESA screen;
+ EGLint count, chosenMode = 0;
+ GLboolean printInfo = GL_FALSE;
+ EGLint width = 0, height = 0;
+
+ /* parse cmd line args */
+ for (i = 1; i < argc; i++)
+ {
+ if (strcmp(argv[i], "-info") == 0)
+ {
+ printInfo = GL_TRUE;
+ }
+ else
+ printf("Warning: unknown parameter: %s\n", argv[i]);
+ }
+
+ /* DBR : Create EGL context/surface etc */
+ d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
+ assert(d);
+
+ if (!eglInitialize(d, &maj, &min)) {
+ printf("egltri: eglInitialize failed\n");
+ exit(1);
+ }
+
+ printf("egltri: EGL version = %d.%d\n", maj, min);
+ printf("egltri: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+ /* XXX use ChooseConfig */
+ eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
+ eglGetScreensMESA(d, &screen, 1, &count);
+
+ if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) {
+ printf("egltri: eglGetModesMESA failed!\n");
+ return 0;
+ }
+
+ /* Print list of modes, and find the one to use */
+ printf("egltri: Found %d modes:\n", count);
+ for (i = 0; i < count; i++) {
+ EGLint w, h;
+ eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w);
+ eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h);
+ printf("%3d: %d x %d\n", i, w, h);
+ if (w > width && h > height) {
+ width = w;
+ height = h;
+ chosenMode = i;
+ }
+ }
+ printf("egltri: Using screen mode/size %d: %d x %d\n", chosenMode, width, height);
+
+ ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+ if (ctx == EGL_NO_CONTEXT) {
+ printf("egltri: failed to create context\n");
+ return 0;
+ }
+
+ /* build up screenAttribs array */
+ i = 0;
+ screenAttribs[i++] = EGL_WIDTH;
+ screenAttribs[i++] = width;
+ screenAttribs[i++] = EGL_HEIGHT;
+ screenAttribs[i++] = height;
+ screenAttribs[i++] = EGL_NONE;
+
+ screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
+ if (screen_surf == EGL_NO_SURFACE) {
+ printf("egltri: failed to create screen surface\n");
+ return 0;
+ }
+
+ b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]);
+ if (!b) {
+ printf("egltri: show surface failed\n");
+ return 0;
+ }
+
+ b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
+ if (!b) {
+ printf("egltri: make current failed\n");
+ return 0;
+ }
+
+ if (printInfo)
+ {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+ }
+
+ init();
+ reshape(width, height);
+
+ glDrawBuffer( GL_BACK );
+
+ run(d, screen_surf, 5.0);
+
+ eglDestroySurface(d, screen_surf);
+ eglDestroyContext(d, ctx);
+ eglTerminate(d);
+
+ return 0;
+}
diff --git a/progs/egl/peglgears.c b/progs/egl/peglgears.c
new file mode 100644
index 0000000000..bac16453c1
--- /dev/null
+++ b/progs/egl/peglgears.c
@@ -0,0 +1,449 @@
+/*
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "glxgears" demo to straight EGL
+ * Port by Dane Rushton 10 July 2005
+ *
+ * No command line options.
+ * Program runs for 5 seconds then exits, outputing framerate to console
+ */
+
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#define MAX_CONFIGS 10
+#define MAX_MODES 100
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+ struct timeval tv;
+#ifdef __VMS
+ (void) gettimeofday(&tv, NULL );
+#else
+ struct timezone tz;
+ (void) gettimeofday(&tv, &tz);
+#endif
+ return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+ /* update this function for other platforms! */
+ static double t = 0.0;
+ static int warn = 1;
+ if (warn) {
+ fprintf(stderr, "Warning: current_time() not implemented!!\n");
+ warn = 0;
+ }
+ return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+#if 0
+static GLfloat eyesep = 5.0; /* Eye separation. */
+static GLfloat fix_point = 40.0; /* Fixation point distance. */
+static GLfloat left, right, asp; /* Stereo frustum params. */
+#endif
+
+
+/*
+ *
+ * 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 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();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+
+ 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);
+}
+
+
+
+
+static void run_gears(EGLDisplay dpy, EGLSurface surf, int ttr)
+{
+ double st = current_time();
+ double ct = st;
+ int frames = 0;
+ while (ct - st < ttr)
+ {
+ double tt = current_time();
+ double dt = tt - ct;
+ ct = tt;
+
+ /* advance rotation for next frame */
+ angle += 70.0 * dt; /* 70 degrees per second */
+ if (angle > 3600.0)
+ angle -= 3600.0;
+
+ draw();
+
+ eglSwapBuffers(dpy, surf);
+
+
+ frames++;
+ }
+
+ GLfloat seconds = ct - st;
+ GLfloat fps = frames / seconds;
+ printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
+
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ int major, minor;
+ EGLContext ctx;
+ EGLSurface surface;
+ EGLConfig configs[MAX_CONFIGS];
+ EGLint numConfigs, i;
+ EGLBoolean b;
+ EGLDisplay d;
+ EGLint screenAttribs[10];
+ GLboolean printInfo = GL_FALSE;
+ EGLint width = 300, height = 300;
+
+ /* parse cmd line args */
+ for (i = 1; i < argc; i++)
+ {
+ if (strcmp(argv[i], "-info") == 0)
+ {
+ printInfo = GL_TRUE;
+ }
+ else
+ printf("Warning: unknown parameter: %s\n", argv[i]);
+ }
+
+ /* DBR : Create EGL context/surface etc */
+ d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
+ assert(d);
+
+ if (!eglInitialize(d, &major, &minor)) {
+ printf("peglgears: eglInitialize failed\n");
+ return 0;
+ }
+
+ printf("peglgears: EGL version = %d.%d\n", major, minor);
+ printf("peglgears: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+ eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
+
+ eglBindAPI(EGL_OPENGL_API);
+
+ ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+ if (ctx == EGL_NO_CONTEXT) {
+ printf("peglgears: failed to create context\n");
+ return 0;
+ }
+
+ /* build up screenAttribs array */
+ i = 0;
+ screenAttribs[i++] = EGL_WIDTH;
+ screenAttribs[i++] = width;
+ screenAttribs[i++] = EGL_HEIGHT;
+ screenAttribs[i++] = height;
+ screenAttribs[i++] = EGL_NONE;
+
+ surface = eglCreatePbufferSurface(d, configs[0], screenAttribs);
+ if (surface == EGL_NO_SURFACE) {
+ printf("peglgears: failed to create pbuffer surface\n");
+ return 0;
+ }
+
+ b = eglMakeCurrent(d, surface, surface, ctx);
+ if (!b) {
+ printf("peglgears: make current failed\n");
+ return 0;
+ }
+
+ if (printInfo)
+ {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+ }
+
+ init();
+ reshape(width, height);
+
+ glDrawBuffer( GL_BACK );
+
+ run_gears(d, surface, 5.0);
+
+ eglDestroySurface(d, surface);
+ eglDestroyContext(d, ctx);
+ eglTerminate(d);
+
+ return 0;
+}
diff --git a/progs/egl/xegl_tri.c b/progs/egl/xegl_tri.c
new file mode 100644
index 0000000000..65f352ddfa
--- /dev/null
+++ b/progs/egl/xegl_tri.c
@@ -0,0 +1,359 @@
+/*
+ * Copyright (C) 2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Draw a triangle with X/EGL.
+ * Brian Paul
+ * 3 June 2008
+ */
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GL/gl.h> /* using full OpenGL for now */
+#include <GLES/egl.h>
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+
+static void
+draw(void)
+{
+ static const GLfloat verts[3][2] = {
+ { -1, -1 },
+ { 1, -1 },
+ { 0, 1 }
+ };
+ static const GLfloat colors[3][3] = {
+ { 1, 0, 0 },
+ { 0, 1, 0 },
+ { 0, 0, 1 }
+ };
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+
+ {
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glColorPointer(3, GL_FLOAT, 0, colors);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ }
+
+ glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static void
+init(void)
+{
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ assert(config);
+ assert(num_configs > 0);
+
+ if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+ printf("Error: eglGetConfigAttrib() failed\n");
+ exit(1);
+ }
+
+ /* The X window visual must match the EGL config */
+ visTemplate.visualid = vid;
+ visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
+ if (!visInfo) {
+ printf("Error: couldn't get X visual\n");
+ exit(1);
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( x_dpy, root, 0, 0, width, height,
+ 0, visInfo->depth, InputOutput,
+ visInfo->visual, mask, &attr );
+
+ /* set hints and properties */
+ {
+ XSizeHints sizehints;
+ sizehints.x = x;
+ sizehints.y = y;
+ sizehints.width = width;
+ sizehints.height = height;
+ sizehints.flags = USSize | USPosition;
+ XSetNormalHints(x_dpy, win, &sizehints);
+ XSetStandardProperties(x_dpy, win, name, name,
+ None, (char **)NULL, 0, &sizehints);
+ }
+
+ eglBindAPI(EGL_OPENGL_API);
+
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx) {
+ printf("Error: glXCreateContext failed\n");
+ exit(1);
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ if (!*surfRet) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ *winRet = win;
+ *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+ EGLDisplay egl_dpy, EGLSurface egl_surf)
+{
+ while (1) {
+ int redraw = 0;
+ XEvent event;
+
+ XNextEvent(dpy, &event);
+
+ switch (event.type) {
+ case Expose:
+ redraw = 1;
+ break;
+ case ConfigureNotify:
+ reshape(event.xconfigure.width, event.xconfigure.height);
+ break;
+ case KeyPress:
+ {
+ char buffer[10];
+ int r, code;
+ code = XLookupKeysym(&event.xkey, 0);
+ if (code == XK_Left) {
+ view_roty += 5.0;
+ }
+ else if (code == XK_Right) {
+ view_roty -= 5.0;
+ }
+ else if (code == XK_Up) {
+ view_rotx += 5.0;
+ }
+ else if (code == XK_Down) {
+ view_rotx -= 5.0;
+ }
+ else {
+ r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+ NULL, NULL);
+ if (buffer[0] == 27) {
+ /* escape */
+ return;
+ }
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+
+ if (redraw) {
+ draw();
+ eglSwapBuffers(egl_dpy, egl_surf);
+ }
+ }
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+ printf(" -info display OpenGL renderer info\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ const int winWidth = 300, winHeight = 300;
+ Display *x_dpy;
+ Window win;
+ EGLSurface egl_surf;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ GLboolean printInfo = GL_FALSE;
+ EGLint egl_major, egl_minor;
+ int i;
+ const char *s;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else if (strcmp(argv[i], "-info") == 0) {
+ printInfo = GL_TRUE;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ make_x_window(x_dpy, egl_dpy,
+ "xegl_tri", 0, 0, winWidth, winHeight,
+ &win, &egl_ctx, &egl_surf);
+
+ XMapWindow(x_dpy, win);
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent() failed\n");
+ return -1;
+ }
+
+ if (printInfo) {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ }
+
+ init();
+
+ /* Set initial projection/viewing transformation.
+ * We can't be sure we'll get a ConfigureNotify event when the window
+ * first appears.
+ */
+ reshape(winWidth, winHeight);
+
+ event_loop(x_dpy, win, egl_dpy, egl_surf);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf);
+ eglTerminate(egl_dpy);
+
+
+ XDestroyWindow(x_dpy, win);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
diff --git a/progs/egl/xeglgears.c b/progs/egl/xeglgears.c
new file mode 100644
index 0000000000..72ed005283
--- /dev/null
+++ b/progs/egl/xeglgears.c
@@ -0,0 +1,608 @@
+/*
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Ported to X/EGL/GLES. XXX Actually, uses full OpenGL ATM.
+ * Brian Paul
+ * 30 May 2008
+ */
+
+/*
+ * Command line options:
+ * -info print GL implementation information
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+ struct timeval tv;
+#ifdef __VMS
+ (void) gettimeofday(&tv, NULL );
+#else
+ struct timezone tz;
+ (void) gettimeofday(&tv, &tz);
+#endif
+ return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+ /* update this function for other platforms! */
+ static double t = 0.0;
+ static int warn = 1;
+ if (warn) {
+ fprintf(stderr, "Warning: current_time() not implemented!!\n");
+ warn = 0;
+ }
+ return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+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 GLboolean fullscreen = GL_FALSE; /* Create a single fullscreen window */
+
+
+/*
+ *
+ * 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 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();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-ar, ar, -1, 1, 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);
+
+ glClearColor(0.2, 0.2, 0.2, 0.0);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ /*EGL_DOUBLEBUFFER,*/
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs, vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (fullscreen) {
+ x = 0; y = 0;
+ width = DisplayWidth( x_dpy, scrnum );
+ height = DisplayHeight( x_dpy, scrnum );
+ }
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+ printf("Error: eglGetConfigAttrib() failed\n");
+ exit(1);
+ }
+
+ /* The X window visual must match the EGL config */
+ visTemplate.visualid = vid;
+ visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
+ if (!visInfo) {
+ printf("Error: couldn't get X visual\n");
+ exit(1);
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+ attr.override_redirect = fullscreen;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
+
+ win = XCreateWindow( x_dpy, root, 0, 0, width, height,
+ 0, visInfo->depth, InputOutput,
+ visInfo->visual, mask, &attr );
+
+ /* set hints and properties */
+ {
+ XSizeHints sizehints;
+ sizehints.x = x;
+ sizehints.y = y;
+ sizehints.width = width;
+ sizehints.height = height;
+ sizehints.flags = USSize | USPosition;
+ XSetNormalHints(x_dpy, win, &sizehints);
+ XSetStandardProperties(x_dpy, win, name, name,
+ None, (char **)NULL, 0, &sizehints);
+ }
+
+ eglBindAPI(EGL_OPENGL_API);
+
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx) {
+ printf("Error: glXCreateContext failed\n");
+ exit(1);
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ XFree(visInfo);
+
+ *winRet = win;
+ *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+ EGLDisplay egl_dpy, EGLSurface egl_surf)
+{
+ while (1) {
+ while (XPending(dpy) > 0) {
+ XEvent event;
+ XNextEvent(dpy, &event);
+ switch (event.type) {
+ case Expose:
+ /* we'll redraw below */
+ break;
+ case ConfigureNotify:
+ reshape(event.xconfigure.width, event.xconfigure.height);
+ break;
+ case KeyPress:
+ {
+ char buffer[10];
+ int r, code;
+ code = XLookupKeysym(&event.xkey, 0);
+ if (code == XK_Left) {
+ view_roty += 5.0;
+ }
+ else if (code == XK_Right) {
+ view_roty -= 5.0;
+ }
+ else if (code == XK_Up) {
+ view_rotx += 5.0;
+ }
+ else if (code == XK_Down) {
+ view_rotx -= 5.0;
+ }
+ else {
+ r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+ NULL, NULL);
+ if (buffer[0] == 27) {
+ /* escape */
+ return;
+ }
+ }
+ }
+ }
+ }
+
+ {
+ static int frames = 0;
+ static double tRot0 = -1.0, tRate0 = -1.0;
+ double dt, t = current_time();
+ if (tRot0 < 0.0)
+ tRot0 = t;
+ dt = t - tRot0;
+ tRot0 = t;
+
+ /* advance rotation for next frame */
+ angle += 70.0 * dt; /* 70 degrees per second */
+ if (angle > 3600.0)
+ angle -= 3600.0;
+
+ draw();
+ eglSwapBuffers(egl_dpy, egl_surf);
+
+ frames++;
+
+ if (tRate0 < 0.0)
+ tRate0 = t;
+ if (t - tRate0 >= 5.0) {
+ GLfloat seconds = t - tRate0;
+ GLfloat fps = frames / seconds;
+ printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
+ fps);
+ tRate0 = t;
+ frames = 0;
+ }
+ }
+ }
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+ printf(" -fullscreen run in fullscreen mode\n");
+ printf(" -info display OpenGL renderer info\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ const int winWidth = 300, winHeight = 300;
+ Display *x_dpy;
+ Window win;
+ EGLSurface egl_surf;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ GLboolean printInfo = GL_FALSE;
+ EGLint egl_major, egl_minor;
+ int i;
+ const char *s;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else if (strcmp(argv[i], "-info") == 0) {
+ printInfo = GL_TRUE;
+ }
+ else if (strcmp(argv[i], "-fullscreen") == 0) {
+ fullscreen = GL_TRUE;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ make_x_window(x_dpy, egl_dpy,
+ "glxgears", 0, 0, winWidth, winHeight,
+ &win, &egl_ctx, &egl_surf);
+
+ XMapWindow(x_dpy, win);
+ eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx);
+
+ if (printInfo) {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ }
+
+ init();
+
+ /* Set initial projection/viewing transformation.
+ * We can't be sure we'll get a ConfigureNotify event when the window
+ * first appears.
+ */
+ reshape(winWidth, winHeight);
+
+ event_loop(x_dpy, win, egl_dpy, egl_surf);
+
+ glDeleteLists(gear1, 1);
+ glDeleteLists(gear2, 1);
+ glDeleteLists(gear3, 1);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf);
+ eglTerminate(egl_dpy);
+
+
+ XDestroyWindow(x_dpy, win);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
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