// d3dumddi.h

PFND3DDDI_SETVERTEXSHADERDECL Pfnd3dddiSetvertexshaderdecl;

HRESULT Pfnd3dddiSetvertexshaderdecl(
  HANDLE hDevice,
  HANDLE unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_setvertexshaderdecl)

PFND3DDDI_SETVERTEXSHADERDECL callback function

Description

The SetVertexShaderDecl function sets the vertex shader declaration so that all of the subsequent drawing operations use that declaration.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

hShaderHandle [in]

A handle to the vertex shader declaration object.

Return value

SetVertexShaderDecl returns S_OK or an appropriate error result if the vertex shader declaration is not successfully set.

Remarks

After setting the vertex shader declaration, all of the drawing operations use that declaration until another declaration is selected.

PFND3DDDI_SETVERTEXSHADERDECL - NtDoc