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b9e9296cd8
* Bump API patch number and header version number to 53 for this update.
Github Issues:
Internal Issues:
* Clarify mappings of coordinates for mutable, compatible image views in
slink:VkImageViewCreateInfo (internal issue 815).
* Make ename:VK_BIND_SFR_BIT require a logical device with multiple
physical devices, so that standard sparse image block dimensions are
only required on systems that support multi-GPU (internal issue 835).
* Convert all files from use of // refBegin .. // refEnd comments to
delimit ref pages, to use of open blocks, and update style guide
accordingly (internal issue 839).
* Add valid usage for slink:VkWriteDescriptorSet when performing updates
to a ename:VK_STORAGE_IMAGE descriptor with layout
ename:VK_IMAGE_LAYOUT_GENERAL.
* Add a hack to the validity generator script to support an odd
interaction between flink:vkCmdFillBuffer and an extension (internal
issue 853).
* Remove redundant text describing slink:VkBufferCreateInfo::pname:usage,
which was already covered by implicit valid usage (internal issue 854).
* Update implicit validity generator script to properly handle the
pname:sType and pname:pNext members of "returnedonly" structures
(internal issue 874).
* Note that slink:VkApplicationInfo::pname:pApplicationName &
slink:VkApplicationInfo::pname:pEngineName are optional, and add missing
implicit valid usage statements for flink:vkDestroyInstance.
* Added missing valid usage for flink:vkCmdWriteTimestamp to require a
timestamp query pool.
* Simplify and/or split "`non-atomic`" valid usage statements.
New Extensions:
* `VK_AMD_gpu_shader_int16`
* `VK_EXT_blend_operation_advanced`
* `VK_EXT_sampler_filter_minmax`
* `VK_NV_framebuffer_mixed_samples`
-----------------------------------------------------
Note: the 1.0.52 spec wasn't published on github, so the 1.0.53 release
combines both change sets.
-----------------------------------------------------
Change log for June 13, 2017 Vulkan 1.0.52 spec update:
* Bump API patch number and header version number to 52 for this update.
Github Issues:
Internal Issues:
* Clarify behavior when non-coherent memory has
<<memory-device-unmap-does-not-flush, not been flushed before being
unmapped>> (internal issue 819).
* Fix description of code:WorkgroupSize builtin to note it decorates an
object, not a variable (internal issue 836).
* Fix asciidoc attributes so that trailing '{plus}' symbols in [eq] style
equations are rendered properly (internal issue 845).
* Add language to the "`Extension Handles, Objects, Enums, and Typedefs`"
section of the Procedures and Conventions document stating that any new
handle type requires a corresponding entry in the elink:VkObjectType
enumerated type (internal issue 856).
* Update style guide to use slink macro for Vulkan handle type names, and
define narrow conditions under which to use the *name and *text macros
instead of *link (internal issue 886).
* Add a dependency of the <<VK_KHX_device_group,VK_KHX_device_group>>
extension on VK_KHX_device_group_creation to +vk.xml+ and the extension
appendix.
* Change the copyright on Vulkan specification asciidoc *source* files to
CC-BY 4.0, and update the proprietary Khronos copyright applied to the
generated *output* formats (internal issue 327). This enables broader
re-use and modification of the Vulkan specification sources, while not
affecting the Reciprocal IP License between Vulkan Adopters and Working
Group Members.
New Extensions:
* `VK_NV_fill_rectangle`
* `VK_NV_fragment_coverage_to_color`
110 lines
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110 lines
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// Copyright (c) 2016-2017 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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[[VK_KHR_maintenance1]]
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== VK_KHR_maintenance1
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*Name String*::
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+VK_KHR_maintenance1+
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*Extension Type*::
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Device extension
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*Registered Extension Number*::
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70
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*Status*::
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Draft
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*Last Modified Date*::
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2016-10-26
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*Revision*::
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1
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*Dependencies*::
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- This extension is written against version 1.0 of the Vulkan API.
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*Contributors*::
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- Dan Ginsburg, Valve
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- Daniel Koch, NVIDIA
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- Daniel Rakos, AMD
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- Jan-Harald Fredriksen, ARM
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- Jason Ekstrand, Intel
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- Jeff Bolz, NVIDIA
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- Jesse Hall, Google
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- John Kessenich, Google
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- Michael Worcester, Imagination Technologies
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- Neil Henning, Codeplay Software Ltd.
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- Piers Daniell, NVIDIA
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- Slawomir Grajewski, Intel
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- Tobias Hector, Imagination Technologies
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- Tom Olson, ARM
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*Contacts*::
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- Piers Daniell (pdaniell 'at' nvidia.com)
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*Overview*::
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+VK_KHR_maintenance1+ adds a collection of minor features that were
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intentionally left out or overlooked from the original Vulkan 1.0 release.
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The new features are as follows:
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* Allow 2D and 2D array image views to be created from 3D images, which
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can then be used as color framebuffer attachments.
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This allows applications to render to slices of a 3D image.
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* Support flink:vkCmdCopyImage between 2D array layers and 3D slices.
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This extension allows copying from layers of a 2D array image to slices
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of a 3D image and vice versa.
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* Allow negative height to be specified in the
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slink::VkViewport::pname:height field to perform y-inversion of the
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clip-space to framebuffer-space transform.
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This allows apps to avoid having to use gl_Position.y = -gl_Position.y
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in shaders also targeting other APIs.
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* Allow implementations to express support for doing just transfers and
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clears of image formats that they otherwise support no other format
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features for.
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This is done by adding new format feature flags
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ename:VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR and
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ename:VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR.
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* Support flink:vkCmdFillBuffer on transfer-only queues.
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Previously flink:vkCmdFillBuffer was defined to only work on command
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buffers allocated from command pools which support graphics or compute
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queues.
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It is now allowed on queues that just support transfer operations.
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* Fix the inconsistency of how error conditions are returned between the
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flink:vkCreateGraphicsPipelines and flink:vkCreateComputePipelines
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functions and the flink:vkAllocateDescriptorSets and
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flink:vkAllocateCommandBuffers functions.
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* Add new ename:VK_ERROR_OUT_OF_POOL_MEMORY_KHR error so implementations
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can give a more precise reason for flink:vkAllocateDescriptorSets
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failures.
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* Add a new command flink:vkTrimCommandPoolKHR which gives the
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implementation an opportunity to release any unused command pool memory
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back to the system.
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=== New Object Types
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None.
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=== New Enum Constants
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* ename:VK_ERROR_OUT_OF_POOL_MEMORY_KHR
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* ename:VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR
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* ename:VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR
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* ename:VK_IMAGE_CREATE_2D_ARRAY_COMPATIBLE_BIT_KHR
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=== New Enums
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None.
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=== New Structures
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None.
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=== New Functions
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* flink:vkTrimCommandPoolKHR
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=== Issues
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None.
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=== Version History
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* Revision 1, 2016-10-26 (Piers Daniell)
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- Internal revisions
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