IDirect3DDevice9::GetVertexShaderConstantF method
Gets a floating-point vertex shader constant.
Syntax
HRESULT GetVertexShaderConstantF( [in] UINT StartRegister, [in, out] float *pConstantData, [in] UINT Vector4fCount );
Parameters
- StartRegister [in]
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Type: UINT
Register number that will contain the first constant value.
- pConstantData [in, out]
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Type: float*
Pointer to an array of constants.
- Vector4fCount [in]
-
Type: UINT
Number of four float vectors in the array of constants.
Return value
Type: HRESULT
If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be D3DERR_INVALIDCALL.
Requirements
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Header |
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See also
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