![]() |
![]() |
![]() |
Copies per-vertex albedo values from a mesh.
Syntax
HRESULT ExtractPerVertexAlbedo(
LPD3DXMESH pMesh, D3DDECLUSAGE Usage, UINT NumChanIn );
Parameters
- pMesh
- [in] Pointer to the ID3DXMesh mesh object used in D3DXCreatePRTEngine to create the ID3DXPRTEngine object.
- Usage
- [in] Vertex usage descriptions to copy from the mesh. See D3DDECLUSAGE.
- NumChanIn
- [in] Number of color channels to copy from the mesh. Set to 1 to specify gray materials (R = G = B), or 3 to enable color bleeding effects.
Return Value
If the method succeeds, the return value is S_OK.
If the method fails, the return value can be one of the following:
D3DERR_INVALIDCALL The method call is invalid. For example, a method's parameter may have an invalid value. E_OUTOFMEMORY Microsoft Direct3D could not allocate sufficient memory to complete the call.