Applies gutters to an IDirect3DTexture9 texture object.
HRESULT ApplyGuttersTex( LPDIRECT3DTEXTURE9 pTexture );
If the method succeeds, the return value is S_OK. If the method fails, the return value can be one of the following: D3DERR_INVALIDCALL, D3DERR_NOTAVAILABLE, D3DERR_OUTOFVIDEOMEMORY, D3DERR_WASSTILLDRAWING, E_OUTOFMEMORY.
Class 2 texels are generated by resampling class 1 and 4 texels.
The width and height of the texture must be the same as those returned by ID3DXTextureGutterHelper::GetWidth and ID3DXTextureGutterHelper::GetHeight.
Header: Declared in D3dx9mesh.h.