int main (int argc, char *argv[])
{
bcm_host_init();
// Clear application state
memset( state, 0, sizeof( *state ) );
setup_user_options(argc, argv);
// Start OGLES
init_egl();
init_textures();
build_gears();
// setup the scene based on rendering mode
if (state->useGLES2) {
init_scene_GLES2();
// Setup the model projection/world
init_model_projGLES2();
}
else { // using gles1
init_scene_GLES1();
// Setup the model projection/world
init_model_projGLES1();
}
// animate the gears
run_gears();
exit_func();
return 0;
}
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;
}
