DXGK_RECOMMENDFUNCTIONALVIDPN_REASON enumeration (d3dkmddi.h)
The DXGK_RECOMMENDFUNCTIONALVIDPN_REASON enumeration indicates the reason for calling the display miniport driver's DxgkDdiRecommendFunctionalVidPn function.
Syntax
typedef enum _DXGK_RECOMMENDFUNCTIONALVIDPN_REASON {
DXGK_RFVR_UNINITIALIZED,
DXGK_RFVR_HOTKEY,
DXGK_RFVR_USERMODE,
DXGK_RFVR_FIRMWARE
} DXGK_RECOMMENDFUNCTIONALVIDPN_REASON;
Constants
DXGK_RFVR_UNINITIALIZED Indicates that a variable of type DXGK_RECOMMENDFUNCTIONALVIDPN_REASON has not yet been assigned a meaningful value. |
DXGK_RFVR_HOTKEY Indicates that the VidPN manager is calling DxgkDdiRecommendFunctionalVidPn because the user pressed a hot key to request a change in the way the desktop is displayed on a collection of monitors (or other display devices). |
DXGK_RFVR_USERMODE Indicates that a user-mode application initiated a call to DxgkDdiRecommendFunctionalVidPn. |
DXGK_RFVR_FIRMWARE Value indicating that the OS is requesting the driver to describe a functional VidPn which reflects the display topology and timings which are currently set, as inherited from firmware during boot or resume from hibernation. |
Remarks
The RequestReason member of the DXGKARG_RECOMMENDFUNCTIONALVIDPN structure is a DXGK_RECOMMENDFUNCTIONALVIDPN_REASON value.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista |
Header | d3dkmddi.h (include D3dkmddi.h) |