C++ FrameBufferObject::Initialize方法代码示例

int main(int argc, char * argv[])
{
	window.timer_period = 1000 / 60;

	glutInit(&argc , argv);

	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
	glutInitWindowPosition(0 , 0);
	glutInitWindowSize(512 , 512);

	if ((window.window_handle = glutCreateWindow("Frame Buffer Demo")) < 1)
	{
		cerr << "Window creation failed." << endl;
		return 0;
	}
	
	if (glewInit() != GLEW_OK)
	{
		cerr << "Glew failed to initialize." << endl;
		return 0;
	} 

	if (!fbo.Initialize(glm::ivec2(512, 512), 2, true))
	{
		cerr << "Frame buffer failed to initialize." << endl;
		return 0;
	}
	glutDisplayFunc(DisplayFunc);
	glutReshapeFunc(ReshapeFunc);
	glutKeyboardFunc(KeyboardFunc);
	glutTimerFunc(window.timer_period, TimerFunc, 0);
	glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION);
	glutCloseFunc(CloseFunc);
	glutMainLoop();
	return 0;
}

int main(int argc, char * argv[])
{
	glewInit();
	glutInit(&argc, argv);
	glutInitWindowSize(1024, 512);
	glutInitWindowPosition(0, 0);
	glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);

	//Initialize object's colors / values
	torus.color = vec3(1.0f, 0.1f, 0.0f);
	square.color1 = vec3(1.0, 1.0, 1.0);
	square2.color1 = vec3(0.95f, 0.1f, 0.7f);
	square2.color2 = vec3(1.0f, 1.0f, 0.0f);
	disc.color = vec3(0.1f, 0.5f, 1.0f);
	sphere.color = vec3(0.15f, 0.45f, 0.0f);
	sphere2.color = vec3(0.45f, 0.05f, 0.25f);
	cylinder.color = vec3(0.0f, 0.5f, 0.0f);
	arena.texID = 18;
	egg.texID = 20;
	star.texID = 22;
	magneton.texID = 25;
	haunter.texID = 26;
	frog.texID = 27;
	goldeen.texID = 76;
	rain2.color = vec3(0.4f, 0.4f, 1.0f);
	snow2.color = vec3(1.0f, 1.0f, 1.0f);
	fontfilename = "Pokemon.ttf";

	//Initialize the precipitation
	numParts = 300;
	partX = new float[numParts];
	partY = new float[numParts];
	partOffset = new float[numParts];
	for(int i=0; i<numParts; i++){
		partX[i] = (float)(rand() % 1200);
		partX[i] = (partX[i] - 600)/100;

		partY[i] = (float)(rand() % 1200);
		partY[i] = (partY[i] - 600)/100;
		partOffset[i] = (float)(rand() % 360 + 1);
	}
	sphere.lava = true;sphere2.lava = false; //Initialize sphere statuses

	window.window_handle = glutCreateWindow("Solar System");
	glutReshapeFunc(ReshapeFunc);
	glutCloseFunc(CloseFunc);
	
	glutMotionFunc(mouseMovement);
	glutPassiveMotionFunc(mouseMovement); //check for mouse movement
	glutKeyboardFunc(KeyboardFunc);
	glutSpecialFunc(SpecialFunc);
	glutTimerFunc(window.interval, TimerFunc, 0);
	
	glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION);
	
	//Initialize everything

	if (glewInit() != GLEW_OK)
	{
		cerr << "GLEW failed to initialize." << endl;
		return 0;
	}

	init_resources();
	glutDisplayFunc(DisplayFunc);

	if (!fbo.Initialize(glm::ivec2(512, 512), 1, true)){
		cerr << "Frame buffer failed to initialize." << endl;
		return 0;
	}

	sph1.color = vec3(1.0f, 0.85f, 0.0f);
	if (!sph1.Initialize(8,1.0f, "phong3.vert", "phong3.frag")){return 0;}
	enm.color = vec3(0.75f, 0.0f, 0.75f);
	if (!enm.Initialize(2,0.05f, "phong.vert", "phong.frag")){return 0;}
	usr.color = vec3(0.0f, 0.0f, 0.5f);
	if (!usr.Initialize(2,0.05f, "phong.vert", "phong.frag")){return 0;}
	//if (!sb.Initialize()){return 0;}
	//if (!coin.Initialize()){return 0;}
	//if (!stadium.Initialize(0)){return 0;}
	if (!skybox.Initialize(0, 5000, "basic_skybox_shader.vert", "basic_skybox_shader.frag")){return 0;}
	if (!skybox2.Initialize(1, 5025, "basic_skybox_shader.vert", "basic_skybox_shader.frag")){return 0;}
	if (!skybox3.Initialize(2, 5050, "basic_skybox_shader.vert", "basic_skybox_shader.frag")){return 0;}
	if (!skyboxUW.Initialize(3, 5075, "basic_skybox_shader.vert", "basic_skybox_shader.frag")){return 0;}


	arena.order = 1;
	
	if (!sphere.Initialize(15, 1, "sphereShader2.vert", "sphereShader2.frag")){return 0;}
	if (!sphere2.Initialize(15, 1, "sphereShader2.vert", "sphereShader2.frag")){return 0;}
	if (!rain2.Initialize(2, 0.02f, "phong.vert", "phong.frag")){return 0;}
	if (!snow2.Initialize(3, 0.02f, "phong.vert", "phong.frag")){return 0;}
	//if (!egg.Initialize(15, 1, "./textures/alienEgg.jpg", "basic_texture_shader.vert", "basic_texture_shader.frag")){return 0;}
	if (!square.Initialize(1, 3.0f, "phong.vert", "phong.frag")) {return 0;}
	if (!sq4.Initialize(1, 5.0f, "basic_texture_shader.vert", "basic_texture_shader.frag")) {return 0;}
	if (!disc.Initialize(8, 1.0f, "phong3.vert", "phong3.frag")) {return 0;}
	if (!healthBar.Initialize(2, 1.0f, 1.f, 1.f, "phong3.vert", "phong3.frag")) {return 0;}
	if (!soldier.Initialize()) {return 0;}
	if (!ss.Initialize()) {return 0;}

//.........这里部分代码省略.........

int main(int argc, char * argv[])
{
	glutInit(&argc , argv);
	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
	glutInitWindowPosition(0 , 0);
	glutInitWindowSize(window_width, window_height);
	glutCreateWindow("Warp");
	glutDisplayFunc(DisplayFunc);
	glutTimerFunc(1000 / 60, TimerFunc, 1000 / 60);
	glutReshapeFunc(ReshapeFunc);
	glutSpecialFunc(SpecialFunc);
	glutKeyboardFunc(KeyboardFunc);
	glutMouseFunc(MouseFunc);
	glutMotionFunc(MotionFunc);
	glutCloseFunc(CloseFunc);
	glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION);
	glEnable(GL_DEPTH_TEST);

	ilInit();
	iluInit();
	ilutInit();
	ilutRenderer(ILUT_OPENGL);

	if (glewInit() != GLEW_OK)
	{
		cerr << "GLEW failed to initialize." << endl;
		return 0;
	}
			
	if (!shader.Initialize("stub.vert", "stub.frag"))
	{
		return 0;
	}

	if (!background.Initialize("back.vert", "back.frag"))
	{
		return 0;
	}


	image_1_handle = ilutGLLoadImage("lotr-scene.jpg");
	image_1_w = ilGetInteger(IL_IMAGE_WIDTH);
	image_1_h = ilGetInteger(IL_IMAGE_HEIGHT);
	
	tex_handle = ilutGLLoadImage("Home-Theater.jpg");
	tex_w = ilGetInteger(IL_IMAGE_WIDTH);
	tex_h = ilGetInteger(IL_IMAGE_HEIGHT);

	left_overlay_handle = ilutGLLoadImage("left-over.jpg");
	right_overlay_handle = ilutGLLoadImage("right-over.jpg");
	left_curtain_handle = ilutGLLoadImage("left-curtain.jpg");

	cout << "Image 1: " << image_1_w << " x " << image_1_h << endl;
	cout << "Background: " << tex_w << " x " << tex_h << endl;
	
	if (!frame.Initialize(glm::ivec2(image_1_w, image_1_h), 1, true))
	{
		cerr << "Frame buffer 1 failed to initialize." << endl;
		return 0;
	}

	cout << "Window Size: " << window_width << " x " << window_height << endl;
	cout << "Frame buffer 1 size: " << frame.size.x << " x " << frame.size.y << endl;

	glutMainLoop();
	return 0;
}