IDirect3DDevice9::GetVertexShaderConstantF method (d3d9helper.h)
Gets a floating-point vertex shader constant.
Syntax
HRESULT GetVertexShaderConstantF(
[in] UINT StartRegister,
[in, out] float *pConstantData,
[in] UINT Vector4fCount
);
Parameters
[in] StartRegister
Type: UINT
Register number that will contain the first constant value.
[in, out] pConstantData
Type: float*
Pointer to an array of constants.
[in] Vector4fCount
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
Requirement | Value |
---|---|
Target Platform | Windows |
Header | d3d9helper.h (include D3D9.h) |
Library | D3D9.lib |
See also
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