Registered Extension Number

185

Revision

2

Ratification Status

Not ratified

Extension and Version Dependencies

Deprecation State

Contact

Extension Proposal

Other Extension Metadata

Last Modified Date

2018-10-04

IP Status

No known IP claims.

Contributors
  • Matthaeus G. Chajdas, AMD

  • Alan Harrison, AMD

  • Derrick Owens, AMD

  • Daniel Rakos, AMD

  • Faith Ekstrand, Intel

  • Keith Packard, Valve

Description

This extension provides an interface to query calibrated timestamps obtained quasi simultaneously from two time domains.

Promotion to VK_KHR_calibrated_timestamps

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

New Commands

New Structures

New Enums

New Enum Constants

  • VK_EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME

  • VK_EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_EXT

  • Extending VkTimeDomainKHR:

    • VK_TIME_DOMAIN_CLOCK_MONOTONIC_EXT

    • VK_TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT

    • VK_TIME_DOMAIN_DEVICE_EXT

    • VK_TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT

Version History

  • Revision 2, 2021-03-16 (Lionel Landwerlin)

    • Specify requirement on device timestamps

  • Revision 1, 2018-10-04 (Daniel Rakos)

    • Internal revisions.

See Also

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.

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SPDX-License-Identifier: CC-BY-4.0