SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_SetVideoMode(WIDTH, HEIGHT, 0, SDL_OPENGL);
SDL_WM_SetCaption("OpenGL window", NULL);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_SetVideoMode(WIDTH, HEIGHT, 0, SDL_OPENGL);
SDL_WM_SetCaption("OpenGL window", NULL);