Vulkan-Docs/appendices/VK_EXT_scalar_block_layout.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) 2017-2019 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_EXT_scalar_block_layout.txt[]
*Last Modified Date*::
2018-11-14
*Contributors*::
- Jeff Bolz
- Jan-Harald Fredriksen
- Graeme Leese
- Jason Ekstrand
- John Kessenich
=== Short Description
Enables C-like structure layout for SPIR-V blocks.
=== Description
This extension modifies the alignment rules for uniform buffers, storage
buffers and push constants, allowing non-scalar types to be aligned solely
based on the size of their components, without additional requirements.
=== New Enum Constants
* Extending elink:VkStructureType:
** ename:VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SCALAR_BLOCK_LAYOUT_FEATURES_EXT
=== New Structures
* slink:VkPhysicalDeviceScalarBlockLayoutFeaturesEXT
=== Issues
None.
=== Version History
* Revision 1, 2018-11-14 (Tobias Hector)
- Initial draft