virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual bool Update(ResourceUpdateQueue* queue,
const OcclusionTracker<Layer>* occlusion) OVERRIDE;
protected:
virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual bool Update(ResourceUpdateQueue* queue,
const OcclusionTracker<Layer>* occlusion) OVERRIDE;
protected: