// d3dumddi.h

PFND3DDDI_BUFBLT Pfnd3dddiBufblt;

HRESULT Pfnd3dddiBufblt(
  HANDLE hDevice,
  const D3DDDIARG_BUFFERBLT *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_bufblt)

PFND3DDDI_BUFBLT callback function

Description

The BufBlt function performs a bit-block transfer (bitblt) operation from a source vertex or index buffer to a destination vertex or index buffer.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pData [in]

A pointer to a D3DDDIARG_BUFFERBLT structure that describes the parameters of the buffer bitblt operation.

Return value

BufBlt returns S_OK or an appropriate error result if the buffer bitblt operation is not successfully performed.

PFND3DDDI_BUFBLT - NtDoc