# VK_EXT_index_type_uint8(3) Manual Page

## Name

VK_EXT_index_type_uint8 - device extension

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## Registered Extension Number

266

## Revision

1

## Ratification Status

Not ratified

## Extension and Version Dependencies

VK_KHR_get_physical_device_properties2
or
Vulkan Version 1.1

## Deprecation State

- Promoted to VK_KHR_index_type_uint8 extension

  - Which in turn was promoted to Vulkan 1.4

## Contact

- Piers Daniell [GitHub]pdaniell-nv

## Other Extension Metadata

Last Modified Date

  2019-05-02

IP Status

  No known IP claims.

Contributors

  - Jeff Bolz, NVIDIA

## Description

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

## Promotion to `VK_KHR_index_type_uint8`

All functionality in this extension is included in `VK_KHR_index_type_uint8`, with the suffix changed to KHR. The original enum names are still available as aliases of the KHR functionality.

## New Structures

- Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:

  - VkPhysicalDeviceIndexTypeUint8FeaturesEXT

## New Enum Constants

- `VK_EXT_INDEX_TYPE_UINT8_EXTENSION_NAME`

- `VK_EXT_INDEX_TYPE_UINT8_SPEC_VERSION`

- Extending VkIndexType:

  - `VK_INDEX_TYPE_UINT8_EXT`

- Extending VkStructureType:

  - `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INDEX_TYPE_UINT8_FEATURES_EXT`

## Version History

- Revision 1, 2019-05-02 (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 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0