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911a764694
* Update release number to 87.
Public Issues:
* Merge flink:vkCmdPipelineBarrier self-dependency barrier VUs referring
to the same subpass dependency (public pull request 756).
* Describe default value of `"optional"` attribute in the registry schema
document (public issue 769)
* Fix links in <<VK_NVX_raytracing>> extension (public pull request 805).
* Mark the <<VK_KHR_mir_surface>> extension obsolete (see public issue 814
- does not close this, however).
* Fix missing endif in Image Creation block (public issue 817).
Internal Issues:
* Clarify that the compressed texture formats corresponding to
<<features-features-textureCompressionETC2>>,
<<features-features-textureCompressionASTC_LDR>>, and
<<features-features-textureCompressionBC>> is not contingent on the
feature bits, and may be supported even if the features are not enabled
(internal issue 663).
* Clarify that code:FragStencilRefEXT is output only in the
<<interfaces-builtin-variables, Built-In Variables>> section (internal
issue 1173).
* Identify and correct many overly-aggressive uses of "`undefined`", and
narrow them down, where straightforward to do so. Mark such resolved
uses of "`undefined`" with the custom undefined: macro. Add a new
<<writing-undefined, Describing Undefined Behavior>> section (internal
issue 1267).
* Don't require code:inline_uniform_block descriptors to be populated
before use in the flink:vkAllocateDescriptorSets section (internal issue
1380).
* Allow suppressing inline SVG images by controlling this with an
attribute set in the Makefile, rather than the explicit [%inline]
directive (internal issue 1391).
* Mark 'Khronos' as a registered trademark in several places, now that it
is one.
* Fix typo in the <<VK_KHR_shader_atomic_int64>> appendix using the GLSL
naming of the compare exchange op when referring to the SPIR-V op.
* Specify in the flink:vkGetPhysicalDeviceQueueFamilyProperties section
that all implementations must support at least one queue family, and
that every queue family must contain at least one queue.
* Make slink:VkPipelineDynamicStateCreateInfo::pname:dynamicStateCount,
slink:VkSampleLocationsInfoEXT::pname:sampleLocationsPerPixel, and
slink:VkSampleLocationsInfoEXT::pname:sampleLocationsCount optional, to
fix bogus implicit valid usage checks that were causing failures in the
conformance tests.
* Fix vendor tag in reserved extension 237 constants. Does not affect
anything since it's just a placeholder, but this should avoid further
comments.
* Minor markup fixes in some extension appendices.
New Extensions:
* `<<VK_FUCHSIA_imagepipe_surface>>`
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// Copyright (c) 2014-2018 Khronos Group. This work is licensed under a
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// Creative Commons Attribution 4.0 International License; see
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// http://creativecommons.org/licenses/by/4.0/
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include::meta/VK_KHR_shader_atomic_int64.txt[]
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*Last Modified Date*::
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2018-07-05
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*Interactions and External Dependencies*::
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- This extension requires the
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https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_gpu_shader_int64.txt[+GL_ARB_gpu_shader_int64+]
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and
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https://github.com/KhronosGroup/GLSL/tree/master/extensions/ext/GL_EXT_shader_atomic_int64.txt[+GL_EXT_shader_atomic_int64+]
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extensions for GLSL source languages.
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*Contributors*::
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- Aaron Hagan, AMD
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- Daniel Rakos, AMD
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- Jeff Bolz, NVIDIA
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- Neil Henning, Codeplay
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This extension advertises the SPIR-V *Int64Atomics* capability for Vulkan,
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which allows a shader to contain 64-bit atomic operations on signed and
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unsigned integers.
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The supported operations include OpAtomicMin, OpAtomicMax, OpAtomicAnd,
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OpAtomicOr, OpAtomicXor, OpAtomicAdd, OpAtomicExchange, and
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OpAtomicCompareExchange.
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=== New Enum Constants
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* Extending elink:VkStructureType:
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** ename:VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_INT64_FEATURES_KHR
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=== New SPIR-V Capabilities
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* <<spirvenv-capabilities-table-int64atomics, code:Int64Atomics>>
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=== New Structures
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* slink:VkPhysicalDeviceShaderAtomicInt64FeaturesKHR
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=== Version History
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* Revision 1, 2018-07-05 (Aaron Hagan)
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- Internal revisions
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