DXGKDDI_MONITOR_ACQUIREMONITORSOURCEMODESET callback function (d3dkmddi.h)
The pfnAcquireMonitorSourceModeSet function returns a handle to the monitor source mode set object that is associated with a specified monitor.
Syntax
DXGKDDI_MONITOR_ACQUIREMONITORSOURCEMODESET DxgkddiMonitorAcquiremonitorsourcemodeset;
NTSTATUS DxgkddiMonitorAcquiremonitorsourcemodeset(
[in] IN_CONST_D3DKMDT_ADAPTER hAdapter,
[in] IN_CONST_D3DDDI_VIDEO_PRESENT_TARGET_ID VideoPresentTargetId,
[out] OUT_PD3DKMDT_HMONITORSOURCEMODESET phMonitorSourceModeSet,
[out] DEREF_OUT_CONST_PPDXGK_MONITORSOURCEMODESET_INTERFACE ppMonitorSourceModeSetInterface
)
{...}
Parameters
[in] hAdapter
A handle that identifies a display adapter. The Microsoft DirectX graphics kernel subsystem previously provided this handle to the display miniport driver in the DxgkInterface parameter of the DxgkDdiStartDevice function.
[in] VideoPresentTargetId
An integer that identifies one of the video present targets on the display adapter. The returned source mode set object describes the modes available on the monitor that is connected to this video present target.
[out] phMonitorSourceModeSet
A pointer to a variable that receives a handle to a monitor source mode set object.
[out] ppMonitorSourceModeSetInterface
A pointer to a variable that receives a pointer to a DXGK_MONITORSOURCEMODESET_INTERFACE structure. The structure contains pointers to functions that the display miniport driver can call to inspect and alter the monitor source mode set object.
Return value
The pfnAcquireMonitorSourceModeSet function returns one of the following values.
| Return code | Description |
|---|---|
| STATUS_SUCCESS | The function succeeded. |
| STATUS_GRAPHICS_INVALID_DISPLAY_ADAPTER | The handle supplied in hAdapter was invalid. |
| STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET | The identifier supplied in VideoPresentTargetId was invalid. |
| STATUS_GRAPHICS_MONITOR_NOT_CONNECTED | There is no monitor connected to the video present target identified by VideoPresentTargetId. |
This function might also return other error codes that are defined in Ntstatus.h.
Remarks
VidPN target identifiers are assigned by the display miniport driver. The DxgkDdiQueryChildRelations function, implemented by the display miniport driver, returns an array of DXGK_CHILD_DESCRIPTOR structures, each of which contains an identifier.
When you have finished using the monitor source mode set object handle, you must release the handle by calling pfnReleaseMonitorSourceModeSet. Target mode set objects are reference counted, so if you acquire a handle several times, you must release it that same number of times.
This function is also available in the DXGK_MONITOR_INTERFACE_V2 interface beginning with Windows 7.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista |
| Target Platform | Desktop |
| Header | d3dkmddi.h (include D3dkmddi.h) |
| IRQL | PASSIVE_LEVEL |