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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 Class Texel Location 0 Invalid point; texel will not be used. 1 Inside triangle. 2 Inside gutter. 4 Inside 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_INVALIDCALL The 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.