DXGKCB_QUERYFEATUREINTERFACE callback function (d3dkmddi.h)

DXGKCB_QUERYFEATUREINTERFACE is a port driver-implemented callback function that is used to query for a feature interface.

Syntax

DXGKCB_QUERYFEATUREINTERFACE DxgkcbQueryfeatureinterface;

NTSTATUS DxgkcbQueryfeatureinterface(
  IN_CONST_HANDLE hAdapter,
  INOUT_PDXGKARGCB_QUERYFEATUREINTERFACE pArgs
)
{...}

Parameters

hAdapter

[in] A handle to a context block associated with a display adapter. KMD previously provided this handle to Dxgkrnl in the MiniportDeviceContext output parameter of its DxgkDdiAddDevice function.

pArgs

[in/out] Pointer to a DXGKARGCB_QUERYFEATUREINTERFACE structure in which input and output information about the port driver's feature's interface is stored.

Return value

DXGKCB_QUERYFEATUREINTERFACE returns STATUS_SUCCESS upon successful completion. Otherwise, it returns an appropriate NTSTATUS code.

Remarks

For more information, see Querying WDDM feature support and enablement.

Requirements

See also

DXGK_FEATURE_INTERFACE

DXGKARGCB_QUERYFEATUREINTERFACE