193     void RemoveBuffersWithEmptyUpdateRegion();

   193     void RemoveBuffersWithEmptyUpdateRegion();

   194     void RemoveBuffersWithOverlappingUpdateRegion();        

   194     void RemoveBuffersWithOverlappingUpdateRegion();        

   195     void RemoveBuffersWithoutRealDrawing();

   195     void RemoveBuffersWithoutRealDrawing();

   196     void DestroyBuffer(TInt aIndex);

   196     void DestroyBuffer(TInt aIndex);

   197     void UpdateBufferUpdateRegions(TPoint aPos);

   197     void UpdateBufferUpdateRegions(TPoint aPos);

   198     

   201     

   199 public:    

   202 public:    

   200     void EnableRenderBufferIfNeeded(TBool aEnable);

   203     void EnableRenderBufferIfNeeded(TBool aEnable);

   201 private:

   204 private:

   202     

   205