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HTTP/1.1 200 OK Date: Fri, 10 Oct 2025 17:49:41 GMT Server: Apache/2.4.41 Last-Modified: Thu, 25 Sep 2025 22:12:33 GMT ETag: "c1d5-63fa777465a82-gzip" Accept-Ranges: bytes Vary: Accept-Encoding Content-Encoding: gzip Content-Security-Policy: base-uri 'self'; form-action 'self' cdn.khronos.org; worker-src 'self' blob:; script-src 'self' 'unsafe-inline' 'unsafe-eval' cdnjs.cloudflare.com www.googletagmanager.com www.google-analytics.com Content-Length: 11249 Content-Type: text/html VK_KHR_copy_memory_indirect(3)

Registered Extension Number

550

Revision

Ratification Status

Ratified

Extension and Version Dependencies

     VK_KHR_get_physical_device_properties2
     and
     VK_KHR_buffer_device_address
or
Vulkan Version 1.2

Contact

Vikram Kushwaha [GitHub]vkushwaha-nv

Extension Proposal

VK_KHR_copy_memory_indirect

Other Extension Metadata

Last Modified Date

2025-01-25

Contributors

Daniel Koch, NVIDIA
Vikram Kushwaha, NVIDIA
Jeff Bolz, NVIDIA
Christoph Kubisch, NVIDIA
Stuart Smith, AMD
Faith Ekstrand, Collabora
Caterina Shablia, Collabora
Spencer Fricke, LunarG
Matthew Netsch, Qualcomm Technologies, Inc
Mike Blumenkrantz, Valve
Alyssa Rosenzweig, Valve

Description

This extension adds support for performing copies between memory and image regions using indirect parameters that are read by the device from a buffer during execution. This functionality may be useful for performing copies where the copy parameters are not known during the command buffer creation time.

New Commands

New Structures

New Enums

VkAddressCopyFlagBitsKHR

New Bitmasks

VkAddressCopyFlagsKHR

New Enum Constants

VK_KHR_COPY_MEMORY_INDIRECT_EXTENSION_NAME
VK_KHR_COPY_MEMORY_INDIRECT_SPEC_VERSION
Extending VkFormatFeatureFlagBits2:
- VK_FORMAT_FEATURE_2_COPY_IMAGE_INDIRECT_DST_BIT_KHR
Extending VkPipelineStageFlagBits2:
- VK_PIPELINE_STAGE_2_COPY_INDIRECT_BIT_KHR
Extending VkStructureType:
- VK_STRUCTURE_TYPE_COPY_MEMORY_INDIRECT_INFO_KHR
- VK_STRUCTURE_TYPE_COPY_MEMORY_TO_IMAGE_INDIRECT_INFO_KHR
- VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COPY_MEMORY_INDIRECT_FEATURES_KHR
- VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COPY_MEMORY_INDIRECT_PROPERTIES_KHR

Version History

Revision 1, 2025-01-25 (Daniel Koch, Vikram Kushwaha)
- Initial external release

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

SPDX-License-Identifier: CC-BY-4.0

Original Source | Taken Source

VK_KHR_copy_memory_indirect(3) Manual Page

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