PFND3D12DDI_CALCPRIVATEVIDEODECODERHEAPSIZE_0033 callback function (d3d12umddi.h)

Used to calculate the size of a video decoder heap. The D3D runtime allocates memory for storing the drivers cpu object representing the video decoder heap.

Syntax

PFND3D12DDI_CALCPRIVATEVIDEODECODERHEAPSIZE_0033 Pfnd3d12ddiCalcprivatevideodecoderheapsize0033;

SIZE_T Pfnd3d12ddiCalcprivatevideodecoderheapsize0033(
  D3D12DDI_HDEVICE hDrvDevice,
  const D3D12DDIARG_CREATE_VIDEO_DECODER_HEAP_0033 *pArgs
)
{...}

Parameters

hDrvDevice

The hardware device being processed.

pArgs

The arguments used to create a video decoder heap.

Return value

Returns the size of the heap in bytes.

Requirements