* Bump API patch number and header version number to 58 for this update.
Github Issues:
* Update the <<interfaces-resources-descset,Descriptor Set Interface>>
section to allow multiple variables with the same descriptor set/binding
decorations, and require that all variables that are statically used
must be consistent with the pipeline layout. Allow
ename:VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER to be used with texture
and sampler variables (public issues 522, 524).
Internal Issues:
* Replace networkx package used for extension dependency generation with a
homegrown network dependency traverser (internal issue 713).
* Specify in the <<interfaces-fragmentoutput, Fragment Output Interface>>
section that if a fragment shader writes integers that cannot be
represented in the format of the colour attachment, then the result is
undefined (internal issue 893).
* Separate malformed valid usage statement for
slink:VkPipelineRasterizationStateCreateInfo into two (internal issue
918).
* Fix cases where the term 'pNext chain' is incorrectly used in reference
to functions, rather than their parameters. Replace 'pNext list' with
'pNext chain'. Fixed typo in the example code of
+VK_KHR_dedicated_allocation+ (internal issue 944).
* Fix typo in elink:VkExternalSemaphoreHandleTypeFlagBitsKHR enum
descriptions, replacing
etext:VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_FENCE_FD_BIT_KHR with
ename:VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT_KHR, and make the
description more consistent with
VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT_KHR (internal issue 950).
Other Issues:
* Clarify how pipeline stage masks affect
<<synchronization-pipeline-stages-masks, access and synchronization
scopes>>.
* Clarify that dedicated allocations do not allow aliasing in the
flink:vkBindBufferMemory and flink:vkBindImageMemory valid usage
statements.
* Correct specification of pname:dynamicCount for push_constant token in
slink:VkIndirectCommandsLayoutNVX.
New Extensions:
* `VK_EXT_shader_viewport_index_layer`
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