ID3DXPatchMesh::Tessellate Method

Performs uniform tessellation based on the tessellation level.

Syntax

HRESULT Tessellate(      

    FLOAT fTessLevel,
    LPD3DXMESH pMesh
);

Parameters

fTessLevel

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

pMesh

[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_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

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