ID3DXPRTEngine::ExtractPerVertexAlbedo

Copies per-vertex albedo values from a mesh.

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 Values

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, E_OUTOFMEMORY.

Requirements

Header: Declared in D3dx9mesh.h.