Return the content of the read buffer into a pixel buffer.
CL_PixelBuffer CL_GraphicContext::get_pixeldata( const CL_Rect & rect, CL_TextureFormat pixel_format = cl_abgr8 , bool clamp = true); CL_PixelBuffer CL_GraphicContext::get_pixeldata( CL_TextureFormat pixel_format = cl_abgr8 , bool clamp = true);