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DXGK_RECOMMENDFUNCTIONALVIDPN_REASON enumeration (d3dkmddi.h)

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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)

See also

DxgkDdiRecommendFunctionalVidPn