Registered Extension Number

453

Revision

1

Ratification Status

Not ratified

Extension and Version Dependencies

         VK_KHR_sampler_ycbcr_conversion
         and
         VK_KHR_external_memory
         and
         VK_KHR_dedicated_allocation
     or
     Vulkan Version 1.1
and
VK_EXT_queue_family_foreign

Contact

Other Extension Metadata

Last Modified Date

2025-11-4

IP Status

No known IP claims.

Contributors

  • Weilan Chen, Huawei

  • Zeihui Lin, Huawei

  • Bill Hollings, Huawei

  • Pan Gao, Huawei

  • Yang Shi, Huawei

Description

This extension enables an application to: import Open Harmony OS OH_NativeBuffer objects created outside of Vulkan device into Vulkan memory objects, where they can be bound to images and buffers. It also allows an application to obtain the properties of OH_NativeBuffer object.

New Base Types

New Commands

New Structures

New Enum Constants

  • VK_OHOS_EXTERNAL_MEMORY_EXTENSION_NAME

  • VK_OHOS_EXTERNAL_MEMORY_SPEC_VERSION

  • Extending VkExternalMemoryHandleTypeFlagBits:

    • VK_EXTERNAL_MEMORY_HANDLE_TYPE_OH_NATIVE_BUFFER_BIT_OHOS

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_EXTERNAL_FORMAT_OHOS

    • VK_STRUCTURE_TYPE_IMPORT_NATIVE_BUFFER_INFO_OHOS

    • VK_STRUCTURE_TYPE_MEMORY_GET_NATIVE_BUFFER_INFO_OHOS

    • VK_STRUCTURE_TYPE_NATIVE_BUFFER_FORMAT_PROPERTIES_OHOS

    • VK_STRUCTURE_TYPE_NATIVE_BUFFER_PROPERTIES_OHOS

    • VK_STRUCTURE_TYPE_NATIVE_BUFFER_USAGE_OHOS

Version History

  • Revision 1, 2025-11-4 (Weilan Chen)

    • Change Extension number to 453, which is donated by ARM.

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