IDirect3DRMFrame::GetSceneBackgroundDepth
HRESULT GetSceneBackgroundDepth(
LPDIRECTDRAWSURFACE * lplpDDSurface);
Retrieves the current background-depth buffer for the scene.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
lplpDDSurface
Address of a pointer that will be initialized with the address of a DirectDraw surface representing the current background-depth buffer.