// d3dkmddi.h

typedef struct _DXGK_USERMODESUBMISSION_CAPS {
  union {
    struct {
      UINT SecondaryDoorbellSupported : 1;
      UINT Reserved : 31;
    };
    UINT Value;
  } Flags;
  UINT  DoorbellSizeInBytes;
  UINT  SecondaryDoorbellSizeInBytes;
  UCHAR Reserved[16];
} DXGK_USERMODESUBMISSION_CAPS;
View the official Windows Driver Kit DDI reference

NtDoc

No description available.

Edit description on GitHub

Windows Driver Kit DDI reference (ns-d3dkmddi-dxgk_usermodesubmission_caps)

Description

The DXGK_USERMODESUBMISSION_CAPS structure describes KMD's user-mode work submission capabilities.

Members

`Flags`

Contains flags that describe the capabilities of the KMD's user-mode work submission.

`Flags.SecondaryDoorbellSupported`

When set, the KMD supports a secondary doorbell for user-mode work submission.

`Flags.Reserved`

Reserved for system use.

`Flags.Value`

An alternative way to access the structure members.

`DoorbellSizeInBytes`

The memory size of the doorbell, in bytes.

`SecondaryDoorbellSizeInBytes`

The memory size of the secondary doorbell, in bytes.

`Reserved[16]`