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Generates an immediate ancestor for each vertex when it is removed by a vertex split. Allows generation of a geomorph.
Syntax
HRESULT GenerateVertexHistory(
DWORD *pVertexHistory );
Parameters
- pVertexHistory
- [in] Pointer to an array of parent vertices that were used to form the current vertex. Cannot be NULL.
Return Value
If the method succeeds, the return value is D3D_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.
Remarks
The vertex buffer must be equal to or greater than the maximum number of vertices in the progressive mesh.