text: #ifndef GLSNOW_HH
  #define GLSNOW_HH
  
  #include "Layer.hh"
  #include "GLUtil.hh"
  
  namespace openmsx {
  
  class Display;
  
  /** Snow effect for background layer.
    */
  class GLSnow final : public Layer
  {
  public:
  	explicit GLSnow(Display& display);
  
  	// Layer interface:
  	void paint(OutputSurface& output) override;
  
  private:
  	Display& display;
  	gl::VertexArray vao;
  	gl::BufferObject vbo[2];
  	gl::Texture noiseTexture;
  };
  
  } // namespace openmsx
  
  #endif
  