DXGKDDI_SETFLIPQUEUELOGBUFFER callback function (d3dkmddi.h)

In the hardware flip queue model, the OS calls a display miniport driver's [DXGKDDI_SETFLIPQUEUELOGBUFFER](/windows-hardware/drivers/ddi/nc-d3dkmddi-dxgkddi_setflipqueuelogbuffe r) function to provide the driver with the flip queue log.

Syntax

DXGKDDI_SETFLIPQUEUELOGBUFFER DxgkddiSetflipqueuelogbuffer;

NTSTATUS DxgkddiSetflipqueuelogbuffer(
  IN_CONST_HANDLE hAdapter,
  IN_CONST_PDXGKARG_SETFLIPQUEUELOGBUFFER pSetFlipQueueLogBuffer
)
{...}

Parameters

hAdapter

[in] Handle to a display adapter.

pSetFlipQueueLogBuffer

[in] Pointer to a DXGKARG_SETFLIPQUEUELOGBUFFER structure containing the parameters for this function.

Return value

DXGKDDI_SETFLIPQUEUELOGBUFFER returns an NTSTATUS code such as one of the following:

Return value	Meaning
STATUS_SUCCESS	The routine completed successfully. If DXGKARG_SETFLIPQUEUELOGBUFFER::LogBufferAddress is NULL then this DDI must return STATUS_SUCCESS.
STATUS_NO_MEMORY	The function failed because it was unable to allocate the amount of memory needed to complete successfully.
STATUS_NOT_IMPLEMENTED	The driver does not implement support for this operation.

Remarks

See Obtaining present statistics for queued flips for more information.

Requirements

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

See also

DXGKARG_SETFLIPQUEUELOGBUFFER