SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0);
//Effect *sandbox_effect = chain.add_effect(new SandboxEffect());
//sandbox_effect->set_float("parm", 42.0f);
//chain.add_effect(new MirrorEffect());
//Effect *sandbox_effect = chain.add_effect(new SandboxEffect());
//sandbox_effect->set_float("parm", 42.0f);
//chain.add_effect(new MirrorEffect());