// d3dkmthk.h

typedef struct _D3DKMT_FLIPMANAGER_PRESENTHISTORYTOKEN {
  D3DKMT_ALIGN64 ULONG64   hPrivateData;
  D3DKMT_ALIGN64 ULONGLONG PresentAtQpc;
  union {
    struct {
      UINT Discard : 1;
      UINT PresentAt : 1;
      UINT hPrivateDataIsPointer : 1;
      UINT Reserved : 29;
    };
    UINT Value;
  } Flags;
} D3DKMT_FLIPMANAGER_PRESENTHISTORYTOKEN;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-d3dkmthk-_d3dkmt_flipmanager_presenthistorytoken)

D3DKMT_FLIPMANAGER_PRESENTHISTORYTOKEN structure

Description

The D3DKMT_FLIPMANAGER_PRESENTHISTORYTOKEN structure identifies a flip present-history token.

Members

`hPrivateData`

Handle to the token's private data.

`PresentAtQpc`

Present the frame at this QPC (Query Performance Counter) time.

`Flags`

Attributes of a flip present-history token.

`Flags.Discard`

Discard the token.

`Flags.PresentAt`

Present the token.

`Flags.hPrivateDataIsPointer`

The handle to the private data (hPrivateData) is a pointer.

`Flags.Reserved`

This member is reserved.

`Flags.Value`

An alternative way to access the flags.

View the official Windows Driver Kit DDI reference

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