// d3dkmddi.h

typedef struct _DXGKARG_CREATEDOORBELL_FLAGS {
  union {
    struct {
      UINT ResizeRingBufferOperation : 1;
      UINT Reserved : 31;
    };
    UINT Value;
  };
} DXGKARG_CREATEDOORBELL_FLAGS;
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Windows Driver Kit DDI reference (ns-d3dkmddi-dxgkarg_createdoorbell_flags)

Description

The DXGKARG_CREATEDOORBELL_FLAGS structure specifies doorbell creation flags.

Members

`ResizeRingBufferOperation`

Indication from UMD to KMD that a doorbell is being recreated for this hardware queue with a new, resized hRingBuffer ring buffer.

`Reserved`

Reserved; set to zero.

`Value`

An alternative way to access the structure members.

Remarks

For more information, see User-mode work submission.

DXGKARG_CREATEDOORBELL_FLAGS - NtDoc