int main( int argc, char **argv )
{
int success = 0;
int gl_major, gl_minor;
GLchar *VertexShaderSource, *FragmentShaderSource;
glutInit( &argc, argv );
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutInitWindowSize(500, 500);
window = glutCreateWindow( "3Dlabs Brick Shader");
glutIdleFunc(play);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutReshapeFunc(reshape);
glutMotionFunc(motion);
glutMouseFunc(mouse);
glutSpecialFunc(special);
glutTimerFunc(TIMER_FREQUENCY_MILLIS , timer, 0);
// Initialize the "OpenGL Extension Wrangler" library
glewInit();
// Make sure that OpenGL 2.0 is supported by the driver
getGlVersion(&gl_major, &gl_minor);
printf("GL_VERSION major=%d minor=%d\n", gl_major, gl_minor);
if (gl_major < 2)
{
printf("GL_VERSION major=%d minor=%d\n", gl_major, gl_minor);
printf("Support for OpenGL 2.0 is required for this demo...exiting\n");
exit(1);
}
glDepthFunc(GL_LESS);
glEnable(GL_DEPTH_TEST);
NextClearColor();
key('?', 0, 0); // display help
#if 0
readShaderSource("brick", &VertexShaderSource, &FragmentShaderSource);
#else
readShaderSource("cloud", &VertexShaderSource, &FragmentShaderSource);
#endif
success = installBrickShaders(VertexShaderSource, FragmentShaderSource);
CreateNoise3D();
if (success)
glutMainLoop();
return 0;
}
void GLRenderer::initOpenGL() {
glClearColor(0.f, 0.f, 0.f, 1.0f);
mViewWidth = 1200;
mViewHeight = 800;
reshape(1200, 800);
mScreenQuadModel = new ScreenQuadModel;
mScreenQuadModel->buildVAO();
createParticleBuffers();
mVelocityTexture = CreateNoise3D();
//createVelocityTexture();
initBillboardShader();
initFeedbackShader();
mTestShader = new TestShader;
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_DEPTH_TEST);
render(0.0);
}
