Microsoft DirectX 9.0

ID3DXPatchMesh::Tessellate Method

Performs uniform tessellation based on the tessellation level.


HRESULT Tessellate(      

    FLOAT fTessLevel,     LPD3DXMESH pMesh );


[in] Tessellation level. This is the number of vertices introduced between existing vertices. The range of this float parameter is 0 < fTessLevel <= 32.
[in] Resulting tessellated mesh. See ID3DXMesh.

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 values.

D3DERR_INVALIDCALLThe method call is invalid. For example, a method's parameter may have an invalid value.
E_OUTOFMEMORYMicrosoft?Direct3D?could not allocate sufficient memory to complete the call.


This function will perform more efficiently if the patch mesh has been optimized using ID3DXPatchMesh::Optimize.

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