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 |