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Change log for January 25, 2024 Vulkan 1.3.276 spec update:
Github Issues
* Add missing VUs to structures taking elink:VkFormat parameters where
formats cannot be ename:VK_FORMAT_UNDEFINED (public issue 2165).
* Add EPUB generation target to the Makefile. NOTE: the `epub` target is
not supported by Khronos, but provided in case it is of use to people
building their own specification outputs. Please see
#2286 for more about
this (public PR 2286).
Internal Issues
* Fix VU 06604 to allow omitting fragment shaders when creating a graphics
pipeline library (internal issue 3178).
* Clarify pname:maxCombinedClipAndCullDistances and related VUs (internal
issue 3325).
* Refactor apiext:VK_EXT_extended_dynamic_state3 and
apiext:VK_EXT_shader_object XML to include extension dependencies
(internal issue 3360).
* Add <<spirvenv-module-validation-standalone, Standalone SPIR-V
Validation>> VU banning code:PhysicalStorageBuffer pointers in shader
interfaces (internal issue 3677).
* Clarified image requirement for slink:VkSparseImageFormatProperties
(internal issue 3686).
* Add slink:VkQueryPoolCreateInfo VU requiring pname:pipelineStatistics
not be zero for that query type (internal issue 3722).
* Add slink:VkWriteDescriptorSet and flink:vkGetDescriptorEXT VUs banning
dlink:VK_NULL_HANDLE YCbCr descriptors (internal issue 3727).
* Clarify acceleration structure binding requirements in a NOTE for
flink:vkCreateAccelerationStructureKHR and new VUs for
flink:vkGetAccelerationStructureDeviceAddressKHR (internal issue 3735).
* Add `optional` attribute to shader parameter of flink:vkDestroyShaderEXT
(internal issue 3754).
* Add flink:vkSetEvent VU for pending command buffers (internal MR 6326).
* Allow pname:pMessage to be `NULL` in
slink:VkDebugUtilsMessengerCallbackDataEXT (internal MR 6331).
* Fix link to the H.265 specification (internal MR 6334).
* Remove redundant slink:VkDeferredOperationKHR check formerly in VUID
03677 (internal MR 6374).
* Add VU requiring pname:commandBuffer to not be protected for
flink:vkCmdBuildAccelerationStructuresKHR (internal MR 6375).
* Update `genvk.py` to not load generators when they are not available, as
may be the case in VulkanSC-Headers or downstream repositories (internal
MR 6384).
* Add `returnedonly` attributes to some Properties structs missing them
(internal MR 6392).
* Remove redundant slink:VkDebugUtilsMessengerCreateInfoEXT VU 01914
(internal MR 6404).
* Clarify the conditions under which <<shaders-helper-invocations, shader
helper invocations>> may become inactive (internal MR 6405).
* Fix typo in
slink:VkPipelineMultisampleStateCreateInfo::pname:sampleShadingEnable
member name (internal MR 6407).
New Extensions
* Roadmap 2024 Extensions
** VK_KHR_dynamic_rendering_local_read
** VK_KHR_index_type_uint8 (promoted from EXT)
** VK_KHR_line_rasterization (promoted from EXT)
** VK_KHR_load_store_op_none (promoted from EXT)
** VK_KHR_shader_expect_assume
** VK_KHR_shader_float_controls2
** VK_KHR_shader_maximal_reconvergence
** VK_KHR_shader_quad_control
** VK_KHR_shader_subgroup_rotate- Loading branch information
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| Faith Ekstrand <[email protected]> <[email protected]> | ||
| Faith Ekstrand <[email protected]> <[email protected]> | ||
| Faith Ekstrand <[email protected]> <[email protected]> | ||
| Rylie Pavlik <[email protected]> <[email protected]> | ||
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| // Copyright 2023-2024 The Khronos Group Inc. | ||
| // | ||
| // SPDX-License-Identifier: CC-BY-4.0 | ||
|
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| include::{generated}/meta/{refprefix}VK_KHR_dynamic_rendering_local_read.adoc[] | ||
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| === Other Extension Metadata | ||
|
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| *Last Modified Date*:: | ||
| 2023-11-03 | ||
| *Contributors*:: | ||
| - Tobias Hector, AMD | ||
| - Hans-Kristian Arntzen, Valve | ||
| - Connor Abbot, Valve | ||
| - Pan Gao, Huawei | ||
| - Lionel Landwerlin, Intel | ||
| - Shahbaz Youssefi, Google | ||
| - Alyssa Rosenzweig, Valve | ||
| - Jan-Harald Fredriksen, Arm | ||
| - Mike Blumenkrantz, Valve | ||
| - Graeme Leese, Broadcom | ||
| - Piers Daniell, Nvidia | ||
| - Stuart Smith, AMD | ||
| - Daniel Story, Nintendo | ||
| - James Fitzpatrick, Imagination | ||
| - Piotr Byszewski, Mobica | ||
| - Spencer Fricke, LunarG | ||
| - Tom Olson, Arm | ||
| - Michal Pietrasiuk, Intel | ||
| - Matthew Netsch, Qualcomm | ||
| - Marty Johnson, Khronos | ||
| - Huilong Wang, Huawei | ||
| - Jeff Bolz, Nvidia | ||
| - Samuel (Sheng-Wen) Huang, MediaTek | ||
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| === Description | ||
|
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| This extension enables reads from attachments and resources written by | ||
| previous fragment shaders within a dynamic render pass. | ||
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| include::{generated}/interfaces/VK_KHR_dynamic_rendering_local_read.adoc[] | ||
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| === Version History | ||
|
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||
| * Revision 1, 2023-11-03 (Tobias Hector) | ||
| ** Initial revision |
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| // Copyright 2019-2024 The Khronos Group Inc. | ||
| // | ||
| // SPDX-License-Identifier: CC-BY-4.0 | ||
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| include::{generated}/meta/{refprefix}VK_KHR_index_type_uint8.adoc[] | ||
|
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| === Other Extension Metadata | ||
|
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| *Last Modified Date*:: | ||
| 2023-06-06 | ||
| *IP Status*:: | ||
| No known IP claims. | ||
| *Contributors*:: | ||
| - Jeff Bolz, NVIDIA | ||
|
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| === Description | ||
|
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| This extension allows code:uint8_t indices to be used with | ||
| flink:vkCmdBindIndexBuffer. | ||
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| include::{generated}/interfaces/VK_KHR_index_type_uint8.adoc[] | ||
|
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| === Version History | ||
|
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| * Revision 1, 2023-06-06 (Piers Daniell) | ||
| ** Internal revisions |
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| // Copyright 2019-2024 The Khronos Group Inc. | ||
| // | ||
| // SPDX-License-Identifier: CC-BY-4.0 | ||
|
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| include::{generated}/meta/{refprefix}VK_KHR_line_rasterization.adoc[] | ||
|
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| === Other Extension Metadata | ||
|
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| *Last Modified Date*:: | ||
| 2023-06-08 | ||
| *IP Status*:: | ||
| No known IP claims. | ||
| *Contributors*:: | ||
| - Jeff Bolz, NVIDIA | ||
| - Allen Jensen, NVIDIA | ||
| - Faith Ekstrand, Intel | ||
|
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| === Description | ||
|
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| This extension adds some line rasterization features that are commonly used | ||
| in CAD applications and supported in other APIs like OpenGL. | ||
| Bresenham-style line rasterization is supported, smooth rectangular lines | ||
| (coverage to alpha) are supported, and stippled lines are supported for all | ||
| three line rasterization modes. | ||
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| include::{generated}/interfaces/VK_KHR_line_rasterization.adoc[] | ||
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| === Issues | ||
|
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| 1) Do we need to support Bresenham-style and smooth lines with more than one | ||
| rasterization sample? i.e. the equivalent of glDisable(GL_MULTISAMPLE) in | ||
| OpenGL when the framebuffer has more than one sample? | ||
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| *RESOLVED*: Yes. | ||
| For simplicity, Bresenham line rasterization carries forward a few | ||
| restrictions from OpenGL, such as not supporting per-sample shading, alpha | ||
| to coverage, or alpha to one. | ||
|
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| === Version History | ||
|
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| * Revision 1, 2019-05-09 (Jeff Bolz) | ||
| ** Initial draft |
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| // Copyright 2023-2024 The Khronos Group Inc. | ||
| // | ||
| // SPDX-License-Identifier: CC-BY-4.0 | ||
|
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| include::{generated}/meta/{refprefix}VK_KHR_load_store_op_none.adoc[] | ||
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| === Other Extension Metadata | ||
|
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| *Last Modified Date*:: | ||
| 2023-05-16 | ||
| *Contributors*:: | ||
| - Shahbaz Youssefi, Google | ||
| - Bill Licea-Kane, Qualcomm Technologies, Inc. | ||
| - Tobias Hector, AMD | ||
|
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| === Description | ||
|
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| This extension provides ename:VK_ATTACHMENT_LOAD_OP_NONE_KHR and | ||
| ename:VK_ATTACHMENT_STORE_OP_NONE_KHR, which are identically promoted from | ||
| the `apiext:VK_EXT_load_store_op_none` extension. | ||
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| include::{generated}/interfaces/VK_KHR_load_store_op_none.adoc[] | ||
|
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| === Version History | ||
|
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| * Revision 1, 2023-05-16 (Shahbaz Youssefi) | ||
| ** Initial revision, based on VK_EXT_load_store_op_none. |
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| // Copyright 2021-2024 The Khronos Group, Inc. | ||
| // | ||
| // SPDX-License-Identifier: CC-BY-4.0 | ||
|
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| include::{generated}/meta/{refprefix}VK_KHR_shader_expect_assume.adoc[] | ||
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| === Other Extension Metadata | ||
|
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| *Last Modified Date*:: | ||
| 2023-12-06 | ||
| *IP Status*:: | ||
| No known IP claims. | ||
| *Contributors*:: | ||
| - Kevin Petit, Arm | ||
| - Tobias Hector, AMD | ||
| - James Fitzpatrick, Imagination Technologies | ||
|
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| === Description | ||
|
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| This extension allows the use of the `SPV_KHR_expect_assume` extension in | ||
| SPIR-V shader modules which enables SPIR-V producers to provide optimization | ||
| hints to the Vulkan implementation. | ||
|
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| include::{generated}/interfaces/VK_KHR_shader_expect_assume.adoc[] | ||
|
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| === New SPIR-V Capabilities | ||
|
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| * <<spirvenv-capabilities-table-ExpectAssumeKHR,ExpectAssumeKHR>> | ||
|
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| === Version History | ||
|
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||
| * Revision 1, 2023-12-06 (Kevin Petit) | ||
| ** Initial revision |
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