Change log for February 1, 2024 Vulkan 1.3.277 spec update:

Internal Issues * Add bits to VkSubgroupFeatureFlagBits for VK_KHR_shader_subgroup_rotate (internal issue 3773). * Add missing `promotedto` XML attribute to VK_EXT_line_rasterization (internal issue 3772). * Fix VU missing shaderTileImageStencilReadAccess (internal issue 3778). * Revert add VUs for VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT (internal MR 6402). * Add missing VkGraphicsPipelinCreateInfo multisample state VU (internal MR 6408). * Add VU for null pGeometries and ppGeometries (internal MR 6411). * Fix typo in vkCmdWriteAccelerationStructuresPropertiesKHR VU (internal MR 6417). * Fix typos in some credits (internal MR 6423). * Fix missing SPIR-V interface summary in some extension appendices (internal MR 6425). * Update VK_FORMAT_UNDEFINED for VK_ANDROID_external_format_resolve (internal MR 6428) * Fix vkGetDescriptorEXT VU for null pCombinedImageSampler (internal MR 6431). * Remove redundant vkGetDescriptorEXT VU (internal MR 6434). New Extensions * VK_KHR_video_decode_av1
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diff --git a/ChangeLog.adoc b/ChangeLog.adoc
@@ -14,6 +14,37 @@ appears frequently in the change log.
 
 -----------------------------------------------------
 
+Change log for February 1, 2024 Vulkan 1.3.277 spec update:
+
+Internal Issues
+
+  * Add bits to VkSubgroupFeatureFlagBits for VK_KHR_shader_subgroup_rotate
+    (internal issue 3773).
+  * Add missing `promotedto` XML attribute to VK_EXT_line_rasterization
+    (internal issue 3772).
+  * Fix VU missing shaderTileImageStencilReadAccess (internal issue 3778).
+  * Revert add VUs for VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT
+    (internal MR 6402).
+  * Add missing VkGraphicsPipelinCreateInfo multisample state VU (internal
+    MR 6408).
+  * Add VU for null pGeometries and ppGeometries (internal MR 6411).
+  * Fix typo in vkCmdWriteAccelerationStructuresPropertiesKHR VU (internal
+    MR 6417).
+  * Fix typos in some credits (internal MR 6423).
+  * Fix missing SPIR-V interface summary in some extension appendices
+    (internal MR 6425).
+  * Update VK_FORMAT_UNDEFINED for VK_ANDROID_external_format_resolve
+    (internal MR 6428)
+  * Fix vkGetDescriptorEXT VU for null pCombinedImageSampler (internal MR
+    6431).
+  * Remove redundant vkGetDescriptorEXT VU (internal MR 6434).
+
+New Extensions
+
+  * VK_KHR_video_decode_av1
+
+-----------------------------------------------------
+
 Change log for January 25, 2024 Vulkan 1.3.276 spec update:
 
 Github Issues

diff --git a/Makefile b/Makefile
@@ -137,7 +137,7 @@ VERBOSE =
 # ADOCOPTS options for asciidoc->HTML5 output
 
 NOTEOPTS     = -a editing-notes -a implementation-guide
-PATCHVERSION = 276
+PATCHVERSION = 277
 BASEOPTS     =
 
 ifneq (,$(findstring VKSC_VERSION_1_0,$(VERSIONS)))

diff --git a/appendices/VK_KHR_dynamic_rendering_local_read.adoc b/appendices/VK_KHR_dynamic_rendering_local_read.adoc
@@ -11,7 +11,7 @@ include::{generated}/meta/{refprefix}VK_KHR_dynamic_rendering_local_read.adoc[]
 *Contributors*::
   - Tobias Hector, AMD
   - Hans-Kristian Arntzen, Valve
-  - Connor Abbot, Valve
+  - Connor Abbott, Valve
   - Pan Gao, Huawei
   - Lionel Landwerlin, Intel
   - Shahbaz Youssefi, Google
@@ -29,7 +29,7 @@ include::{generated}/meta/{refprefix}VK_KHR_dynamic_rendering_local_read.adoc[]
   - Michal Pietrasiuk, Intel
   - Matthew Netsch, Qualcomm
   - Marty Johnson, Khronos
-  - Huilong Wang, Huawei
+  - Wyvern Wang, Huawei
   - Jeff Bolz, Nvidia
   - Samuel (Sheng-Wen) Huang, MediaTek
 

diff --git a/appendices/VK_KHR_shader_float_controls2.adoc b/appendices/VK_KHR_shader_float_controls2.adoc
@@ -29,6 +29,10 @@ is important.
 
 include::{generated}/interfaces/VK_KHR_shader_float_controls2.adoc[]
 
+=== New SPIR-V Capabilities
+
+  * <<spirvenv-capabilities-table-FloatControls2,FloatControls2>>
+
 === Version History
 
   * Revision 1, 2023-05-16 (Graeme Leese)

diff --git a/appendices/VK_KHR_shader_maximal_reconvergence.adoc b/appendices/VK_KHR_shader_maximal_reconvergence.adoc
@@ -36,6 +36,10 @@ other tangled instructions.
 
 include::{generated}/interfaces/VK_KHR_shader_maximal_reconvergence.adoc[]
 
+=== New SPIR-V Capabilities
+
+  * <<spirvenv-capabilities-table-MaximallyReconvergesKHR,MaximallyReconvergesKHR>>
+
 === Version History
 
 * Revision 1, 2021-11-12 (Alan Baker)

diff --git a/appendices/VK_KHR_shader_quad_control.adoc b/appendices/VK_KHR_shader_quad_control.adoc
@@ -29,6 +29,9 @@ require helper invocations participate in group operations.
 
 include::{generated}/interfaces/VK_KHR_shader_quad_control.adoc[]
 
+=== New SPIR-V Capabilities
+
+  * <<spirvenv-capabilities-table-QuadControlKHR,QuadControlKHR>>
 
 === Version History
 

diff --git a/appendices/VK_KHR_shader_subgroup_rotate.adoc b/appendices/VK_KHR_shader_subgroup_rotate.adoc
@@ -5,7 +5,7 @@
 include::{generated}/meta/{refprefix}VK_KHR_shader_subgroup_rotate.adoc[]
 
 *Last Modified Date*::
-    2023-06-20
+    2024-01-29
 *IP Status*::
     No known IP claims.
 *Contributors*::
@@ -16,6 +16,7 @@ include::{generated}/meta/{refprefix}VK_KHR_shader_subgroup_rotate.adoc[]
   - Jan-Harald Fredriksen, Arm Ltd.
   - Graeme Leese, Broadcom
   - Tom Olson, Arm Ltd.
+  - Spencer Fricke, LunarG Inc.
 
 This extension adds support for the subgroup rotate instruction defined in
 SPV_KHR_subgroup_rotate.
@@ -28,5 +29,8 @@ include::{generated}/interfaces/VK_KHR_shader_subgroup_rotate.adoc[]
 
 === Version History
 
+  * Revision 2, 2024-01-29 (Kévin Petit)
+  ** Add ename:VK_SUBGROUP_FEATURE_ROTATE_BIT_KHR and
+     ename:VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT_KHR
   * Revision 1, 2023-06-20 (Kévin Petit)
   ** Initial revision
diff --git a/appendices/VK_KHR_video_decode_av1.adoc b/appendices/VK_KHR_video_decode_av1.adoc
@@ -0,0 +1,39 @@
+// Copyright 2023-2024 The Khronos Group Inc.
+//
+// SPDX-License-Identifier: CC-BY-4.0
+
+include::{generated}/meta/{refprefix}VK_KHR_video_decode_av1.adoc[]
+
+=== Other Extension Metadata
+
+*Last Modified Date*::
+    2024-01-02
+*IP Status*::
+    No known IP claims.
+*Contributors*::
+  - Ahmed Abdelkhalek, AMD
+  - Benjamin Cheng, AMD
+  - Ho Hin Lau, AMD
+  - Lynne Iribarren, Independent
+  - David Airlie, Red Hat, Inc.
+  - Ping Liu, Intel
+  - Srinath Kumarapuram, NVIDIA
+  - Vassili Nikolaev, NVIDIA
+  - Tony Zlatinski, NVIDIA
+  - Charlie Turner, Igalia
+  - Daniel Almeida, Collabora
+  - Nicolas Dufresne, Collabora
+  - Daniel Rakos, RasterGrid
+
+=== Description
+
+This extension builds upon the `apiext:VK_KHR_video_decode_queue` extension
+by adding support for decoding elementary video stream sequences compliant
+with the AV1 video compression standard.
+
+include::{generated}/interfaces/VK_KHR_video_decode_av1.adoc[]
+
+=== Version History
+
+  * Revision 1, 2024-01-02 (Daniel Rakos)
+  ** Internal revisions
diff --git a/appendices/boilerplate.adoc b/appendices/boilerplate.adoc
@@ -448,5 +448,7 @@ associated with the externally-provided video compression standards.
 | `vulkan_video_codec_h265std`        | ITU-T H.265 common definitions          | `<vk_video/vulkan_video_codec_h265std.h>`        | apiext:VK_KHR_video_decode_h265, apiext:VK_KHR_video_encode_h265
 | `vulkan_video_codec_h265std_decode` | ITU-T H.265 decode-specific definitions | `<vk_video/vulkan_video_codec_h265std_decode.h>` | apiext:VK_KHR_video_decode_h265
 | `vulkan_video_codec_h265std_encode` | ITU-T H.265 encode-specific definitions | `<vk_video/vulkan_video_codec_h265std_encode.h>` | apiext:VK_KHR_video_encode_h265
+| `vulkan_video_codec_av1std`         | AV1 common definitions                  | `<vk_video/vulkan_video_codec_av1std.h>`         | apiext:VK_KHR_video_decode_av1
+| `vulkan_video_codec_av1std_decode`  | AV1 decode-specific definitions         | `<vk_video/vulkan_video_codec_av1std_decode.h>`  | apiext:VK_KHR_video_decode_av1
 |====
 endif::VKSC_VERSION_1_0[]
diff --git a/appendices/credits.adoc b/appendices/credits.adoc
@@ -217,7 +217,7 @@ endif::VKSC_VERSION_1_0[]
   * Hai Nguyen, Google (versions 1.2, 1.3)
   * Hans-Kristian Arntzen, Valve Software (versions 1.1, 1.2, 1.3)
   * Henri Verbeet, Codeweavers (version 1.2)
-  * Huei Long Wang, Huawei (version 1.3)
+  * Wyvern Wang, Huawei (version 1.3)
   * Hwanyong Lee, Kyungpook National University (version 1.0)
   * Iago Toral, Igalia (versions 1.1, 1.2)
   * Ian Elliott, Google (versions 1.0, 1.1, 1.2)

diff --git a/appendices/glossary.adoc b/appendices/glossary.adoc
@@ -2095,6 +2095,9 @@ MV::
 NALU::
     Network Abstraction Layer Unit
 
+OBU::
+    Open Bitstream Unit
+
 PCM::
     Pulse-Code Modulation
 

diff --git a/appendices/spirvenv.adoc b/appendices/spirvenv.adoc
@@ -2090,12 +2090,12 @@ ifdef::VK_QCOM_image_processing2[]
     asampler object that included
     slink:VkSamplerBlockMatchWindowCreateInfoQCOM in the pname:pNext chain.
 endif::VK_QCOM_image_processing2[]
-ifdef:VK_KHR_shader_maximal_reconvergence[]
+ifdef::VK_KHR_shader_maximal_reconvergence[]
   * [[VUID-{refpage}-MaximallyReconvergesKHR-09565]]
     The execution mode code:MaximallyReconvergesKHR must: not be applied to
     an entry point unless the entry point does not execute any
     <<ray-tracing-repack,_invocation repack instructions_>>.
-endif:VK_KHR_shader_maximal_reconvergence[]
+endif::VK_KHR_shader_maximal_reconvergence[]
 ifdef::VK_KHR_shader_subgroup_rotate[]
   * [[VUID-{refpage}-shaderSubgroupRotateClustered-09566]]
     If <<features-shaderSubgroupRotateClustered,

diff --git a/chapters/VK_KHR_surface/wsi.adoc b/chapters/VK_KHR_surface/wsi.adoc
@@ -1705,6 +1705,8 @@ otherwise intends to stop presenting for a time.
     pname:fullScreenExclusive set to
     ename:VK_FULL_SCREEN_EXCLUSIVE_APPLICATION_CONTROLLED_EXT
 ****
+
+include::{generated}/validity/protos/vkReleaseFullScreenExclusiveModeEXT.adoc[]
 --
 endif::VK_EXT_full_screen_exclusive[]
 

diff --git a/chapters/accelstructures.adoc b/chapters/accelstructures.adoc
@@ -575,8 +575,8 @@ not modified.
   * [[VUID-VkAccelerationStructureBuildGeometryInfoKHR-type-03654]]
     pname:type must: not be ename:VK_ACCELERATION_STRUCTURE_TYPE_GENERIC_KHR
   * [[VUID-VkAccelerationStructureBuildGeometryInfoKHR-pGeometries-03788]]
-    Only one of pname:pGeometries or pname:ppGeometries can: be a valid
-    pointer, the other must: be `NULL`
+    If pname:geometryCount is not `0`, exactly one of pname:pGeometries or
+    pname:ppGeometries must: be a valid pointer, the other must: be `NULL`
   * [[VUID-VkAccelerationStructureBuildGeometryInfoKHR-type-03789]]
     If pname:type is ename:VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR, the
     pname:geometryType member of elements of either pname:pGeometries or
@@ -1673,8 +1673,8 @@ ename:VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR.
     The pname:buffer used to create each acceleration structure in
     pname:pAccelerationStructures must: be bound to device memory
   * [[VUID-vkCmdWriteAccelerationStructuresPropertiesKHR-query-04880]]
-    The sum of pname:query plus pname:accelerationStructureCount must: be
-    less than or equal to the number of queries in pname:queryPool
+    The sum of pname:firstQuery plus pname:accelerationStructureCount must:
+    be less than or equal to the number of queries in pname:queryPool
 include::{chapters}/commonvalidity/write_acceleration_structure_properties_common.adoc[]
 ****
 

diff --git a/chapters/commonvalidity/pipeline_barrier_common.adoc b/chapters/commonvalidity/pipeline_barrier_common.adoc
@@ -91,8 +91,10 @@ ifdef::VK_VERSION_1_3,VK_KHR_dynamic_rendering[]
 ifdef::VK_EXT_shader_tile_image,VK_KHR_dynamic_rendering[]
     If
 ifdef::VK_EXT_shader_tile_image[]
-    neither the <<features-shaderTileImageColorReadAccess,
-    pname:shaderTileImageColorReadAccess>> nor
+    none of the <<features-shaderTileImageColorReadAccess,
+    pname:shaderTileImageColorReadAccess>>,
+    <<features-shaderTileImageStencilReadAccess,
+    pname:shaderTileImageStencilReadAccess>>, or
     <<features-shaderTileImageDepthReadAccess,
     pname:shaderTileImageDepthReadAccess>> features are enabled,
 endif::VK_EXT_shader_tile_image[]

diff --git a/chapters/descriptorsets.adoc b/chapters/descriptorsets.adoc
@@ -1126,11 +1126,6 @@ ifdef::VK_KHR_push_descriptor[]
     ename:VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT
 endif::VK_KHR_push_descriptor[]
   * [[VUID-VkDescriptorSetLayoutBindingFlagsCreateInfo-pBindingFlags-03004]]
-    If an element of pname:pBindingFlags includes
-    ename:VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT, then all
-    other elements of slink:VkDescriptorSetLayoutCreateInfo::pname:pBindings
-    must: have a smaller value of pname:binding
-  * [[VUID-VkDescriptorSetLayoutBindingFlagsCreateInfo-pBindingFlags-09379]]
     If an element of pname:pBindingFlags includes
     ename:VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT, then it must:
     be the element with the highest pname:binding number
@@ -3112,11 +3107,6 @@ ignored.
   * [[VUID-VkDescriptorSetVariableDescriptorCountAllocateInfo-descriptorSetCount-03045]]
     If pname:descriptorSetCount is not zero, pname:descriptorSetCount must:
     equal slink:VkDescriptorSetAllocateInfo::pname:descriptorSetCount
-  * [[VUID-VkDescriptorSetVariableDescriptorCountAllocateInfo-pSetLayouts-03046]]
-    If slink:VkDescriptorSetAllocateInfo::pname:pSetLayouts[i] has a
-    variable-sized descriptor binding, then pname:pDescriptorCounts[i] must:
-    be less than or equal to the descriptor count specified for that binding
-    when the descriptor set layout was created
 ****
 
 include::{generated}/validity/structs/VkDescriptorSetVariableDescriptorCountAllocateInfo.adoc[]
@@ -5893,13 +5883,9 @@ ifdef::VK_VULKAN_1_1,VK_KHR_sampler_ycbcr_conversion[]
     times
     slink:VkSamplerYcbcrConversionImageFormatProperties::pname:combinedImageSamplerDescriptorCount
 endif::VK_VULKAN_1_1,VK_KHR_sampler_ycbcr_conversion[]
-  * [[VUID-vkGetDescriptorEXT-pDescriptor-08016]]
-    pname:pDescriptor must: be a valid pointer to an array of at least
-    pname:dataSize bytes
   * [[VUID-vkGetDescriptorEXT-pDescriptorInfo-09507]]
     If pname:pDescriptorInfo->type is
-    ename:VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER and
-    pname:pDescriptorInfo->data.pCombinedImageSampler is `NULL` or it has a
+    ename:VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER and it has a
     pname:imageView that is dlink:VK_NULL_HANDLE then pname:dataSize must:
     be equal to the size of
     slink:VkPhysicalDeviceDescriptorBufferPropertiesEXT::pname:combinedImageSamplerDescriptorSize

diff --git a/chapters/features.adoc b/chapters/features.adoc
@@ -8275,7 +8275,7 @@ ifdef::VK_KHR_line_rasterization,VK_EXT_line_rasterization[]
   * `apiext:VK_KHR_line_rasterization` or `apiext:VK_EXT_line_rasterization`
     extension, if the <<features-extendedDynamicState3LineRasterizationMode,
     pname:extendedDynamicState3LineRasterizationMode>> feature is supported.
-  * `apiext:VK_KHR_line_rasterization` or `apiext:VK_EXT_line_rasterization
+  * `apiext:VK_KHR_line_rasterization` or `apiext:VK_EXT_line_rasterization`
     extension, if the <<features-extendedDynamicState3LineStippleEnable,
     pname:extendedDynamicState3LineStippleEnable>> feature is supported.
 endif::VK_KHR_line_rasterization,VK_EXT_line_rasterization[]

diff --git a/chapters/introduction.adoc b/chapters/introduction.adoc
@@ -212,6 +212,11 @@ ITU-T.
 _H.265 High Efficiency Video Coding_ (August, 2021).
 https://www.itu.int/rec/T-REC-H.265-202108-S/ .
 
+[[aomedia-av1]]
+Alliance for Open Media.
+_AV1 Bitstream & Decoding Process Specification_ (January 8, 2019).
+https://aomediacodec.github.io/av1-spec/av1-spec.pdf .
+
 [[vulkan-registry]] Jon Leech.
 _The Khronos Vulkan API Registry_ (February 26, 2023).
 https://registry.khronos.org/vulkan/specs/1.3/registry.html .

diff --git a/chapters/limits.adoc b/chapters/limits.adoc
@@ -1304,6 +1304,35 @@ supported, pname:supportedOperations must: include <<features-subgroup-quad,
 ename:VK_SUBGROUP_FEATURE_QUAD_BIT>>.
 endif::VK_KHR_shader_quad_control[]
 
+ifdef::VK_KHR_shader_subgroup_rotate[]
+If apiext:VK_KHR_shader_subgroup_rotate is supported, and the implementation
+advertises support with a slink:VkExtensionProperties::pname:specVersion
+greater than or equal to 2, and <<features-shaderSubgroupRotate,
+pname:shaderSubgroupRotate>> is supported,
+ename:VK_SUBGROUP_FEATURE_ROTATE_BIT_KHR must: be returned in
+pname:subgroupSupportedOperations.
+If apiext:VK_KHR_shader_subgroup_rotate is supported, and the implementation
+advertises support with a slink:VkExtensionProperties::pname:specVersion
+greater than or equal to 2, and <<features-shaderSubgroupRotateClustered,
+pname:shaderSubgroupRotateClustered>> is supported,
+ename:VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT_KHR must: be returned in
+pname:subgroupSupportedOperations.
+
+[NOTE]
+.Note
+====
+ename:VK_SUBGROUP_FEATURE_ROTATE_BIT_KHR and
+ename:VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT_KHR were added in version 2
+of the apiext:VK_KHR_shader_subgroup_rotate extension, after the initial
+release, so there are implementations that do not advertise these bits.
+Applications should use the <<features-shaderSubgroupRotate,
+pname:shaderSubgroupRotate>> and <<features-shaderSubgroupRotateClustered,
+pname:shaderSubgroupRotateClustered>> features to determine and enable
+support.
+These bits are advertised here for consistency and for future dependencies.
+====
+endif::VK_KHR_shader_subgroup_rotate[]
+
 include::{generated}/validity/structs/VkPhysicalDeviceSubgroupProperties.adoc[]
 --
 
@@ -1352,6 +1381,15 @@ ifdef::VK_NV_shader_subgroup_partitioned[]
     accept SPIR-V shader modules containing the
     code:GroupNonUniformPartitionedNV capability.
 endif::VK_NV_shader_subgroup_partitioned[]
+ifdef::VK_KHR_shader_subgroup_rotate[]
+  * [[features-subgroup-rotate]] ename:VK_SUBGROUP_FEATURE_ROTATE_BIT_KHR
+    specifies the device will accept SPIR-V shader modules containing the
+    code:GroupNonUniformRotateKHR capability.
+  * [[features-subgroup-rotate-clustered]]
+    ename:VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT_KHR specifies the device
+    will accept SPIR-V shader modules that use the code:ClusterSize operand
+    to code:OpGroupNonUniformRotateKHR.
+endif::VK_KHR_shader_subgroup_rotate[]
 --
 
 [open,refpage='VkSubgroupFeatureFlags',desc='Bitmask of VkSubgroupFeatureFlagBits',type='flags']

diff --git a/chapters/pipelines.adoc b/chapters/pipelines.adoc
@@ -3447,10 +3447,11 @@ endif::VK_EXT_extended_dynamic_state3[]
     <<pipelines-graphics-subsets-pre-rasterization, pre-rasterization shader
     state>>, pname:layout must: be a valid slink:VkPipelineLayout handle
   * [[VUID-VkGraphicsPipelineCreateInfo-renderPass-06603]]
-    If <<pipelines-graphics-subsets-pre-rasterization, pre-rasterization
-    shader state>>, <<pipelines-graphics-subsets-fragment-shader, fragment
-    shader state>>, or <<pipelines-graphics-subsets-fragment-output,
-    fragment output state>>,
+    If the pipeline requires <<pipelines-graphics-subsets-pre-rasterization,
+    pre-rasterization shader state>>,
+    <<pipelines-graphics-subsets-fragment-shader, fragment shader state>>,
+    or <<pipelines-graphics-subsets-fragment-output, fragment output
+    state>>,
 ifdef::VK_VERSION_1_3,VK_KHR_dynamic_rendering[]
     and pname:renderPass is not dlink:VK_NULL_HANDLE,
 endif::VK_VERSION_1_3,VK_KHR_dynamic_rendering[]
@@ -3808,6 +3809,16 @@ endif::VK_VERSION_1_3,VK_KHR_dynamic_rendering[]
     created with ename:VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_SHADER_BIT_EXT,
     the pname:pMultisampleState used to create that library must: be
     _identically defined_ pname:pMultisampleState
+  * [[VUID-VkGraphicsPipelineCreateInfo-pLibraries-09567]]
+    If one element of slink:VkPipelineLibraryCreateInfoKHR::pname:pLibraries
+    was created with
+    ename:VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT and
+    a value of pname:pMultisampleState->sampleShadingEnable equal
+    ename:VK_TRUE, and if
+    slink:VkGraphicsPipelineLibraryCreateInfoEXT::pname:flags includes
+    ename:VK_GRAPHICS_PIPELINE_LIBRARY_FRAGMENT_OUTPUT_INTERFACE_BIT_EXT,
+    pname:pMultisampleState must: be _identically defined_ to that used to
+    create the library
 ifdef::VK_KHR_fragment_shading_rate[]
   * [[VUID-VkGraphicsPipelineCreateInfo-flags-06638]]
     If slink:VkGraphicsPipelineLibraryCreateInfoEXT::pname:flags includes
-Original file line number
+Diff line change
@@ Expand Up / @@ -2095,6 +2095,9 @@ MV:: @@
     NALU::
         Network Abstraction Layer Unit
+    OBU::
+        Open Bitstream Unit
     PCM::
         Pulse-Code Modulation
@@ Expand Down @@