// d3dkmddi.h

typedef struct _DXGK_MULTIPLANE_OVERLAY_FLAGS {
  union {
    struct {
      UINT VerticalFlip : 1;
      UINT HorizontalFlip : 1;
      UINT StaticCheck : 1;
#if ...
      UINT Reserved : 29;
#else
      UINT Reserved : 30;
#endif
    };
    UINT Value;
  };
} DXGK_MULTIPLANE_OVERLAY_FLAGS;
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Windows Driver Kit DDI reference (ns-d3dkmddi-_dxgk_multiplane_overlay_flags)

DXGK_MULTIPLANE_OVERLAY_FLAGS structure

Description

The DXGK_MULTIPLANE_OVERLAY_FLAGS structure defines flags that control the behavior of a multiplane overlay operation.

Members

`VerticalFlip`

The overlay plane should flip the data vertically, making it appear upside-down.

`HorizontalFlip`

The overlay plane should flip the data horizontally, making it appear as a right-to-left mirror image.

`StaticCheck`

The overlay plane can be scanned out directly. StaticCheck is a capability query that doesn't affect the current presentation state. Added in Windows 11 (WDDM 3.0).

`Reserved`

This member is reserved and should be set to zero.

`Value`

Represents the collective value of the flags and can be used when the individual bits don't need to be accessed separately.

DXGK_MULTIPLANE_OVERLAY_FLAGS - NtDoc