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A callback function that must be implemented by a user to set a transform.
Syntax
HRESULT SetTransform(
D3DTRANSFORMSTATETYPE State, CONST D3DMATRIX* pMatrix );
Parameters
- State
- [in] The type of transform to apply the matrix to. See D3DTRANSFORMSTATETYPE.
- pMatrix
- [in] A transformation matrix. See D3DMATRIX.
Return Value
The user-implemented method should return S_OK. If the callback fails when setting the device state, either of the following will occur:
- The effect will fail during ID3DXEffect::BeginPass.
- The dynamic effect state call (such as IDirect3DDevice9::SetTransform) will fail.