// d3dumddi.h

PFND3DDDI_CAPTURETOSYSMEM Pfnd3dddiCapturetosysmem;

HRESULT Pfnd3dddiCapturetosysmem(
  HANDLE hDevice,
  const D3DDDIARG_CAPTURETOSYSMEM *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_capturetosysmem)

PFND3DDDI_CAPTURETOSYSMEM callback function

Description

The CaptureToSysMem function copies the contents of a capture buffer to a destination surface.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pData [in]

A pointer to a D3DDDIARG_CAPTURETOSYSMEM structure that describes the parameters of the bit-block transfer (bitblt).

Return value

CaptureToSysMem returns one of the following values:

Return code	Description
S_OK	All resources for the bitblt are in GPU-accessible memory.
E_OUTOFMEMORY	CaptureToSysMem could not allocate the required memory for it to complete.

Remarks

The CaptureToSysMem function is similar to the Blt function except that CaptureToSysMem supports copying only from a capture buffer.

PFND3DDDI_CAPTURETOSYSMEM - NtDoc