DXGKARG_UPDATEFLIPQUEUELOG structure (d3dkmddi.h)

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

Syntax

typedef struct _DXGKARG_UPDATEFLIPQUEUELOG {
  D3DDDI_VIDEO_PRESENT_SOURCE_ID VidPnSourceId;
  UINT                           LayerIndex;
  ULONG                          FirstFreeFlipQueueLogEntryIndex;
} DXGKARG_UPDATEFLIPQUEUELOG;

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.

Requirements

Requirement	Value
Minimum supported client	Windows 11 (WDDM 3.0)
Header	d3dkmddi.h

See also

DXGKDDI_UPDATEFLIPQUEUELOG