Vulkan-Docs/doc/specs/vulkan/appendices/VK_KHX_win32_keyed_mutex.txt
Jon Leech fd0e4c3b67 Change log for February 27, 2017 Vulkan 1.0.42 spec update:
* Bump API patch number and header version number to 42 for this update
    (the first anniversary edition).

Github Issues:

  * Changed asciidoctor macros so cross-page links in the standalone
    reference pages function properly (public issue 462).

Internal Issues:

  * Clarified host visibility discussion for slink:VkMemoryType,
    flink:vkInvalidateMappedMemoryRanges, elink:VkAccessFlagBits, and the
    <<synchronization-framebuffer-regions,Framebuffer Region Dependencies>>
    section, removing duplicated information and adding a central definition
    in the access types section (internal issue 552).
  * Change description of
    slink:vkGetPhysicalDeviceSurfacePresentModesKHR::pname:pPresentModes to
    return an array of values, not structures (internal issue 699).

New Extensions:

  * Add a NOTE to the <<extensions,Layers & Extensions>> chapter describing
    the experimental status of `KHX` extensions.
  * Add new Khronos, Khronos Experimental, and vendor Vulkan extensions for
    release at GDC:
  ** VK_KHR_descriptor_update_template
  ** VK_KHR_push_descriptor
  ** VK_KHX_device_group
  ** VK_KHX_device_group_creation
  ** VK_KHX_external_memory
  ** VK_KHX_external_memory_capabilities
  ** VK_KHX_external_memory_fd
  ** VK_KHX_external_memory_win32
  ** VK_KHX_external_semaphore
  ** VK_KHX_external_semaphore_capabilities
  ** VK_KHX_external_semaphore_fd
  ** VK_KHX_external_semaphore_win32
  ** VK_KHX_multiview
  ** VK_KHX_win32_keyed_mutex
  ** VK_EXT_discard_rectangles
  ** VK_MVK_ios_surface
  ** VK_MVK_macos_surface
  ** VK_NVX_multiview_per_view_attributes
  ** VK_NV_clip_space_w_scaling
  ** VK_NV_geometry_shader_passthrough
  ** VK_NV_sample_mask_override_coverage
  ** VK_NV_viewport_array2
  ** VK_NV_viewport_swizzle
  * Add new GLSL vendor extensions to support new builtin variables:
  ** GL_EXT_device_group
  ** GL_EXT_multiview
2017-02-26 22:54:26 -08:00

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// Copyright (c) 2016-2017 The Khronos Group Inc.
// Copyright notice at https://www.khronos.org/registry/speccopyright.html
[[VK_KHX_win32_keyed_mutex]]
== VK_KHX_win32_keyed_mutex
*Name String*::
+VK_KHX_win32_keyed_mutex+
*Extension Type*::
Device extension
*Registered Extension Number*::
76
*Status*::
Draft
*Last Modified Date*::
2016-10-21
*Revision*::
1
*IP Status*::
No known IP claims.
*Dependencies*::
- This extension is written against version 1.0 of the Vulkan API.
- Requires +VK_KHR_external_memory+.
*Contributors*::
- James Jones, NVIDIA
- Jeff Juliano, NVIDIA
- Carsten Rohde, NVIDIA
*Contact*::
Carsten Rohde (crohde 'at' nvidia.com)
Applications that wish to import Direct3D 11 memory objects into the Vulkan
API may wish to use the native keyed mutex mechanism to synchronize access
to the memory between Vulkan and Direct3D.
This extension provides a way for an application to access the keyed mutex
associated with an imported Vulkan memory object when submitting command
buffers to a queue.
=== New Object Types
None.
=== New Enum Constants
* ename:VK_STRUCTURE_TYPE_WIN32_KEYED_MUTEX_ACQUIRE_RELEASE_INFO_KHX
=== New Enums
None.
=== New Structs
* slink:VkWin32KeyedMutexAcquireReleaseInfoKHX
=== New Functions
None.
=== Issues
None.