Vulkan-Docs/appendices/VK_KHR_external_fence_fd.txt
Jon Leech 56e0289318 Change log for January 05, 2019 Vulkan 1.1.97 spec update:
* Update release number to 97.

Public Issues:

  * Add a special case to the <<renderpass-compatibility, Render Pass
    Compatibility>> rules allowing single-subpass renderpasses to be
    compatible even if they have different resolve attachment references
    (public issue 835).
  * Fix the miss shader binding table record address rule in the
    <<shader-binding-table-indexing-rules, Miss Shaders>> section to index
    by code:missIndex, not code:sbtOffset (public issue 875).

Internal Issues:

  * Add a missing anchor to the elink:VkSamplerCreateFlagBits language
    (internal issue 1483).
  * Add missing implicit valid usage include for slink:VkHdrMetadataEXT and
    corresponding `noautovalidity` attributes in `vk.xml` for the
    externally-defined metadata properties (internal issue 1514).
  * Remove restrictions on the `mask` parameter of SPIR-V's
    code:OpGroupNonUniformXor in the <<spirvenv-module-validation,
    Validation Rules within a Module>> appendix (internal merge request
    2971).
  * Restore `noautovalidity` attribute for
    slink:VkPipelineViewportWScalingStateCreateInfoNV::pname:pViewportWScalings
    in `vk.xml` (internal merge request 2975).
  * Update copyright dates on Khronos-copyrighted files to 2019 (internal
    merge request 2980).

New Extensions:

  * `VK_KHR_depth_stencil_resolve`
  * `VK_EXT_buffer_device_address`
  * `VK_EXT_memory_budget`
  * `VK_EXT_memory_priority`
  * `VK_EXT_validation_features`
2019-01-05 19:40:12 -08:00

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// Copyright (c) 2016-2019 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/
include::meta/VK_KHR_external_fence_fd.txt[]
*Last Modified Date*::
2017-05-08
*IP Status*::
No known IP claims.
*Contributors*::
- Jesse Hall, Google
- James Jones, NVIDIA
- Jeff Juliano, NVIDIA
- Cass Everitt, Oculus
- Contributors to `<<VK_KHR_external_semaphore_fd>>`
An application using external memory may wish to synchronize access to that
memory using fences.
This extension enables an application to export fence payload to and import
fence payload from POSIX file descriptors.
=== New Object Types
None.
=== New Enum Constants
* ename:VK_STRUCTURE_TYPE_IMPORT_FENCE_FD_INFO_KHR
* ename:VK_STRUCTURE_TYPE_FENCE_GET_FD_INFO_KHR
=== New Enums
None.
=== New Structs
* slink:VkImportFenceFdInfoKHR
* slink:VkFenceGetFdInfoKHR
=== New Functions
* flink:vkImportFenceFdKHR
* flink:vkGetFenceFdKHR
=== Issues
This extension borrows concepts, semantics, and language from
`<<VK_KHR_external_semaphore_fd>>`.
That extension's issues apply equally to this extension.