D3DXTriPatchSize Function

Gets the size of the triangle patch.

Syntax

HRESULT D3DXTriPatchSize(      

    CONST FLOAT* pNumSegs,
    DWORD* pdwTriangles,
    DWORD* pdwVertices
);

Parameters

pNumSegs
[in] Number of segments per edge to tessellate.
pdwTriangles
[out] Pointer to a DWORD that contains the number of triangles in the patch.
pdwVertices
[out] Pointer to a DWORD that contains the number of vertices in the triangle patch.

Return Value

If the function succeeds, the return value is D3D_OK.
If the function 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.

Function Information

Header d3dx9mesh.h
Import library d3dx9.lib
Minimum operating systems Windows 98

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.

Header	d3dx9mesh.h
Import library	d3dx9.lib
Minimum operating systems	Windows 98