Function destroySurface

src/Renderer_init_sdlgl.cpp:102–111

	}

	void destroySurface()
	{
		SDL_FreeSurface(sdlScreen);
		sdlScreen = NULL;

		//show mouse cursor
		SDL_ShowCursor(initialCursorState);

		SDL_Quit();
	}

	bool init(int w, int h)
	{