# VK_KHR_index_type_uint8(3) Manual Page

## Name

VK_KHR_index_type_uint8 - device extension

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## Registered Extension Number

534

## Revision

1

## Ratification Status

Ratified

## Extension and Version Dependencies

VK_KHR_get_physical_device_properties2
or
Vulkan Version 1.1

## Deprecation State

- Promoted to Vulkan 1.4

## Contact

- Piers Daniell [GitHub]pdaniell-nv

## Other Extension Metadata

Last Modified Date

  2023-06-06

IP Status

  No known IP claims.

Contributors

  - Jeff Bolz, NVIDIA

## Description

This extension allows `uint8_t` indices to be used with vkCmdBindIndexBuffer.

## New Structures

- Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:

  - VkPhysicalDeviceIndexTypeUint8FeaturesKHR

## New Enum Constants

- `VK_KHR_INDEX_TYPE_UINT8_EXTENSION_NAME`

- `VK_KHR_INDEX_TYPE_UINT8_SPEC_VERSION`

- Extending VkIndexType:

  - `VK_INDEX_TYPE_UINT8_KHR`

- Extending VkStructureType:

  - `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INDEX_TYPE_UINT8_FEATURES_KHR`

## Promotion to Vulkan 1.4

Functionality in this extension is included in core Vulkan 1.4 with the KHR suffix omitted. The original type, enum and command names are still available as aliases of the core functionality.

## Version History

- Revision 1, 2023-06-06 (Piers Daniell)

  - Internal revisions

## See Also

No cross-references are available

## Document Notes

For more information, see the Vulkan Specification

This page is a generated document. Fixes and changes should be made to the generator scripts, not directly.

## Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0