IDirect3DRMViewport::InverseTransform

HRESULT InverseTransform(D3DVECTOR * lprvDst, D3DRMVECTOR4D * lprvSrc);

Transforms the vector in the lprvSrc parameter in screen coordinates to world coordinates, and returns the result in the lprvDst parameter.

·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.

lprvDst

Address of a D3DVECTOR structure that will be filled with the result of the operation when the method returns.

lprvSrc

Address of a D3DRMVECTOR4D structure representing the source of the operation.