SDL_WM_SetCaption("My Game Window", "game");
SDL_Surface *screen = SDL_SetVideoMode(640, 480, 0, SDL_FULLSCREEN | SDL_OPENGL);
SDL_Window *screen = SDL_CreateWindow("My Game Window",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
640, 480,
SDL_WINDOW_FULLSCREEN | SDL_WINDOW_OPENGL);