# VkSubgroupFeatureFlagBits(3) Manual Page

## Name

VkSubgroupFeatureFlagBits - Bitmask describing what group operations are supported with subgroup scope

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## C Specification

Bits which can be set in VkPhysicalDeviceSubgroupProperties::`supportedOperations` and VkPhysicalDeviceVulkan11Properties::`subgroupSupportedOperations` to specify supported group operations with subgroup scope are:

    // Provided by VK_VERSION_1_1
    typedef enum VkSubgroupFeatureFlagBits {
        VK_SUBGROUP_FEATURE_BASIC_BIT = 0x00000001,
        VK_SUBGROUP_FEATURE_VOTE_BIT = 0x00000002,
        VK_SUBGROUP_FEATURE_ARITHMETIC_BIT = 0x00000004,
        VK_SUBGROUP_FEATURE_BALLOT_BIT = 0x00000008,
        VK_SUBGROUP_FEATURE_SHUFFLE_BIT = 0x00000010,
        VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT = 0x00000020,
        VK_SUBGROUP_FEATURE_CLUSTERED_BIT = 0x00000040,
        VK_SUBGROUP_FEATURE_QUAD_BIT = 0x00000080,
      // Provided by VK_VERSION_1_4
        VK_SUBGROUP_FEATURE_ROTATE_BIT = 0x00000200,
      // Provided by VK_VERSION_1_4
        VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT = 0x00000400,
      // Provided by VK_NV_shader_subgroup_partitioned
        VK_SUBGROUP_FEATURE_PARTITIONED_BIT_NV = 0x00000100,
      // Provided by VK_KHR_shader_subgroup_rotate
        VK_SUBGROUP_FEATURE_ROTATE_BIT_KHR = VK_SUBGROUP_FEATURE_ROTATE_BIT,
      // Provided by VK_KHR_shader_subgroup_rotate
        VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT_KHR = VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT,
    } VkSubgroupFeatureFlagBits;

## Description

- `VK_SUBGROUP_FEATURE_BASIC_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniform` capability.

- `VK_SUBGROUP_FEATURE_VOTE_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformVote` capability.

- `VK_SUBGROUP_FEATURE_ARITHMETIC_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformArithmetic` capability.

- `VK_SUBGROUP_FEATURE_BALLOT_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformBallot` capability.

- `VK_SUBGROUP_FEATURE_SHUFFLE_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformShuffle` capability.

- `VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformShuffleRelative` capability.

- `VK_SUBGROUP_FEATURE_CLUSTERED_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformClustered` capability.

- `VK_SUBGROUP_FEATURE_QUAD_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformQuad` capability.

- `VK_SUBGROUP_FEATURE_PARTITIONED_BIT_NV` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformPartitionedNV` capability.

- `VK_SUBGROUP_FEATURE_ROTATE_BIT` specifies the device will accept SPIR-V shader modules containing the `GroupNonUniformRotateKHR` capability.

- `VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT` specifies the device will accept SPIR-V shader modules that use the `ClusterSize` operand to `OpGroupNonUniformRotateKHR`.

## See Also

VK_VERSION_1_1, VkSubgroupFeatureFlags

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0