// d3dkmddi.h

typedef struct _DXGKARG_UPDATEFLIPQUEUELOG {
  D3DDDI_VIDEO_PRESENT_SOURCE_ID VidPnSourceId;
  UINT                           LayerIndex;
  ULONG                          FirstFreeFlipQueueLogEntryIndex;
} DXGKARG_UPDATEFLIPQUEUELOG;
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Windows Driver Kit DDI reference (ns-d3dkmddi-dxgkarg_updateflipqueuelog)

Description

The DXGKARG_UPDATEFLIPQUEUELOG structure contains parameters for the driver's DXGKDDI_UPDATEFLIPQUEUELOG callback function.

Members

`VidPnSourceId`

[in] [in] A D3DDDI_VIDEO_PRESENT_SOURCE_ID value that identifies the VidPn source ID of the hardware flip queue.

`LayerIndex`

[in] A zero-based index value that identifies the MPO plane index of the flip queue.

`FirstFreeFlipQueueLogEntryIndex`

[out] Location in which the driver returns the index after the last written entry in the flip queue log buffer.

Remarks

See Hardware flip queue for more information.

DXGKARG_UPDATEFLIPQUEUELOG - NtDoc