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

IDirect3DDevice9::GetVertexShaderConstantF Method


Gets a floating-point vertex shader constant.

Syntax

HRESULT GetVertexShaderConstantF(      

    UINT StartRegister,     float *pConstantData,     UINT Vector4fCount );

Parameters

StartRegister
[in] Register number that will contain the first constant value.
pConstantData
[in, out] Pointer to an array of constants.
Vector4fCount
[in] Number of four float vectors in the array of constants.

Return Value

If the method succeeds, the return value is D3D_OK.

If the method fails, the return value can be

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




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