IDirect3DDevice9::SetVertexShaderConstantB

Sets a Boolean vertex shader constant.

HRESULT SetVertexShaderConstantB(
  UINT StartRegister,
  CONST BOOL * pConstantData,
  UINT BoolCount
);

Parameters

StartRegister

[in] Register number that will contain the first constant value.

pConstantData

[in] Pointer to an array of constants.

BoolCount

[in] Number of boolean values in the array of constants.

Return Values

If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be D3DERR_INVALIDCALL.

Requirements

Header: Declared in D3d9.h.