virtual void CL_FrameBufferProvider::attach_depth_stencil_buffer( const CL_RenderBuffer & render_buffer); virtual void CL_FrameBufferProvider::attach_depth_stencil_buffer( const CL_Texture & texture, int level = 0, int zoffset = 0); virtual void CL_FrameBufferProvider::attach_depth_stencil_buffer( const CL_Texture & texture, CL_TextureSubtype subtype, int level = 0, int zoffset = 0);