DXGK_USERMODESUBMISSION_CAPS structure (d3dkmddi.h)
Important
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The DXGK_USERMODESUBMISSION_CAPS structure describes KMD's user-mode work submission capabilities.
Syntax
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;
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]
Reserved for system use.
Remarks
For more information, see User-mode work submission.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 11, version 24H2 (WDDM 3.2) |
| Header | d3dkmddi.h |