d3d9.dllGetGutterMap
Microsoft DirectX 9.0 SDK Update (October 2004)

ID3DXTextureGutterHelper::GetGutterMap Method


Receives a texel class value that indicates texel class according to each texel's location.

Syntax

HRESULT GetGutterMap(      

    BYTE *pGutterData );

Parameters

pGutterData
[in, out] Pointer to the texel class. Possible texel classes are as follows. There is no texel class 3.

Texel ClassTexel Location
0Invalid point; texel will not be used.
1Inside triangle.
2Inside gutter.
4Inside gutter; texel will be evaluated as a full sample in the ApplyGuttersFloat, ApplyGuttersTex, or ApplyGuttersPRT methods.

Return Value

If the method succeeds, the return value is S_OK.

If the method fails, the following value will be returned.

D3DERR_INVALIDCALLThe method call is invalid. For example, a method's parameter may have an invalid value.


Remarks

The application must allocate and manage pGutterData, with size given by:

texture width * texture height * sizeof(BYTE)

Texture width and height are returned by ID3DXTextureGutterHelper::GetWidth and GetHeight.



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