IDirect3DRMFace::GetTextureTopology
HRESULT GetTextureTopology(BOOL *lpU, BOOL *lpV);
Retrieves the texture topology of a Direct3DRMFace object.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
lpU and lpV
Addresses of variables that are set or cleared depending on how the cylindrical wrapping flags are set for the face.