DXGK_FEATURE_CATEGORY - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// d3dukmdt.h

typedef enum _DXGK_FEATURE_CATEGORY {
  DXGK_FEATURE_CATEGORY_DRIVER = 0,
  DXGK_FEATURE_CATEGORY_OS = 1,
  DXGK_FEATURE_CATEGORY_BUGFIX = 2,
  DXGK_FEATURE_CATEGORY_TEST = 3,
  DXGK_FEATURE_CATEGORY_RESERVED4 = 4,
  DXGK_FEATURE_CATEGORY_RESERVED5 = 5,
  DXGK_FEATURE_CATEGORY_RESERVED6 = 6,
  DXGK_FEATURE_CATEGORY_RESERVED7 = 7,
  DXGK_FEATURE_CATEGORY_RESERVED8 = 8,
  DXGK_FEATURE_CATEGORY_RESERVED9 = 9,
  DXGK_FEATURE_CATEGORY_RESERVED10 = 10,
  DXGK_FEATURE_CATEGORY_RESERVED11 = 11,
  DXGK_FEATURE_CATEGORY_RESERVED12 = 12,
  DXGK_FEATURE_CATEGORY_RESERVED13 = 13,
  DXGK_FEATURE_CATEGORY_RESERVED14 = 14,
  DXGK_FEATURE_CATEGORY_RESERVED15 = 15,
  DXGK_FEATURE_CATEGORY_MAX = 16
} DXGK_FEATURE_CATEGORY;
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Windows Driver Kit DDI reference (ne-d3dukmdt-dxgk_feature_category)

Description

The DXGK_FEATURE_CATEGORY enumeration specifies the category of a WDDM feature.

Constants

DXGK_FEATURE_CATEGORY_DRIVER:0

Indicates a feature that requires additional driver support. For ease of implementation, the driver category is category 0 (meaning all 4 upper category ID bits are 0). This layout makes it easier for drivers to implement by allowing feature data to be store in static and/or linear arrays of data.

DXGK_FEATURE_CATEGORY_OS:1

Indicates a feature that is internal or specific to the OS.

DXGK_FEATURE_CATEGORY_BUGFIX:2

Indicates a bugfix. This value allows the driver or another component to trivially ask the OS if a bugfix is present. Drivers then don't have to do any fancy workarounds with build numbers, which can be confusing when backporting fixes.

DXGK_FEATURE_CATEGORY_TEST:3

Reserved for testing purposes. No feature IDs in this category are used in production.

DXGK_FEATURE_CATEGORY_RESERVED4:4

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED5:5

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED6:6

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED7:7

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED8:8

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED9:9

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED10:10

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED11:11

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED12:12

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED13:13

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED14:14

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_RESERVED15:15

Reserved for future use. No feature IDs are defined in this category.

DXGK_FEATURE_CATEGORY_MAX:16

Maximum value for this enumeration.

Remarks

A WDDM feature is identified by a feature ID value that has a feature category (one of this enumeration's values in the upper 4 bits) and a sub-ID (bottom 28 bits).

For more information, see Querying WDDM feature support and enablement.

See also

DXGK_DRIVER_FEATURE

DXGK_FEATURE_ID

View the official Windows Driver Kit DDI reference

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