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Retrieves the index of the mesh face to which each texel belongs.
Syntax
HRESULT GetFaceMap(
UINT *pFaceData );
Parameters
- pFaceData
- [in] Pointer to the index of the mesh face to which each texel belongs.
Return Value
If the method succeeds, the return value is S_OK.
If the method fails, the following value will be returned.
D3DERR_INVALIDCALL The method call is invalid. For example, a method's parameter may have an invalid value.
Remarks
The mesh face data returned by this method is valid only for valid (non-class 0) texels. ID3DXTextureGutterHelper::GetGutterMap will return nonzero values for valid (non-class 0) texels.
For class 2 texels, this method retrieves the closest face.
The application must allocate and manage pFaceData.