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* Update release number to 107.
Public Issues:
* Fix revision date for the `<<VK_AMD_gpu_shader_half_float>>` appendix
(public issue 617).
* Make <<synchronization-pipeline-barriers-subpass-self-dependencies,
subpass self-dependencies>> less restrictive (public issue 777).
* Fix the `<<VK_EXT_full_screen_exclusive>>` dependency on
`<<VK_KHR_win32_surface>>` in `vk.xml` (public pull request 849).
* Remove single-page (`apispec.html`) refpage sub-targets from the
Makefile `allman` target and the build instructions. The target is still
present in the Makefile, but we have not been actively maintaining the
single-page document and do not promise it will work. The full
Specification and the individual API reference pages are what we support
and publish at present (public issue 949).
Internal Issues:
* De-duplicate common valid usage statements shared by multiple commands
or structures by using asciidoctor includes and dynamically assigning
part of the valid usage ID based on which command or structure they're
being applied to (internal issue 779).
* Add reference pages for constructs not part of the formal API, such as
platform calling convention macros, and script changes supporting them
This required suppressing some check_spec_links warning classes in order
to pass CI, until a more sophisticated fix can be done (internal issue
888).
* Change math notation for the elink:VkPrimitiveTopology descriptions to
use short forms `v` and `p` instead of `vertex` and `primitive`,
increasing legibility (internal issue 1611).
* Rewrite generated file includes relative to a globally specified path,
fixing some issues with refpage generation (internal issue 1630).
* Update contributor list for `<<VK_EXT_calibrated_timestamps>>`.
* Fix use of pathlin in `scripts/generator.py` so the script will work on
Windows under Python 3.5 (internal merge request 3107).
* Add missing conditionals around the
<<descriptorsets-accelerationstructure, Acceleration Structure>>
section (internal merge request 3108).
* More script synchronization with OpenXR spec repository (internal merge
request 3109).
* Mark the `<<VK_AMD_gpu_shader_half_float>>` and
`<<VK_AMD_gpu_shader_int16>>` extensions as deprecated in `vk.xml` and
the corresponding extension appendices (internal merge request 3112).
New Extensions:
* `<<VK_EXT_headless_surface>>`
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[open,refpage='VkValidationFeaturesEXT',desc='Specify validation features to enable or disable for a Vulkan instance',type='structs']
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--
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When creating a Vulkan instance for which you wish to enable or disable
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specific validation features, add a slink:VkValidationFeaturesEXT structure
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to the pname:pNext chain of the slink:VkInstanceCreateInfo structure,
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specifying the features to be enabled or disabled.
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include::{generated}/api/structs/VkValidationFeaturesEXT.txt[]
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* pname:sType is the type of this structure.
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* pname:pNext is `NULL` or a pointer to an extension-specific structure.
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* pname:enabledValidationFeatureCount is the number of features to enable.
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* pname:pEnabledValidationFeatures is a pointer to an array of
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elink:VkValidationFeatureEnableEXT values specifying the validation
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features to be enabled.
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* pname:disabledValidationFeatureCount is the number of features to
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disable.
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* pname:pDisabledValidationFeatures is a pointer to an array of
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elink:VkValidationFeatureDisableEXT values specifying the validation
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features to be disabled.
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include::{generated}/validity/structs/VkValidationFeaturesEXT.txt[]
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--
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[open,refpage='VkValidationFeatureEnableEXT',desc='Specify validation features to enable',type='enums']
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--
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Possible values of elements of the
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slink:VkValidationFeaturesEXT::pname:pEnabledValidationFeatures array,
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specifying validation features to be enabled, are:
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include::{generated}/api/enums/VkValidationFeatureEnableEXT.txt[]
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* ename:VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT specifies that
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GPU-assisted validation is enabled.
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Activating this feature instruments shader programs to generate
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additional diagnostic data.
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This feature is disabled by default.
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* ename:VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_RESERVE_BINDING_SLOT_EXT
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specifies that the validation layers reserve a descriptor set binding
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slot for their own use.
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The layer reports a value for
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slink:VkPhysicalDeviceLimits::pname:maxBoundDescriptorSets that is one
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less than the value reported by the device.
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If the device supports the binding of only one descriptor set, the
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validation layer does not perform GPU-assisted validation.
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This feature is disabled by default.
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The GPU-assisted validation feature must be enabled in order to use this
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feature.
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--
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[open,refpage='VkValidationFeatureDisableEXT',desc='Specify validation features to disable',type='enums']
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--
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Possible values of elements of the
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slink:VkValidationFeaturesEXT::pname:pDisabledValidationFeatures array,
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specifying validation features to be disabled, are:
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include::{generated}/api/enums/VkValidationFeatureDisableEXT.txt[]
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* ename:VK_VALIDATION_FEATURE_DISABLE_ALL_EXT specifies that all
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validation checks are disabled.
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* ename:VK_VALIDATION_FEATURE_DISABLE_SHADERS_EXT specifies that shader
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validation is disabled.
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This feature is enabled by default.
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* ename:VK_VALIDATION_FEATURE_DISABLE_THREAD_SAFETY_EXT specifies that
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thread safety validation is disabled.
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This feature is enabled by default.
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* ename:VK_VALIDATION_FEATURE_DISABLE_API_PARAMETERS_EXT specifies that
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stateless parameter validation is disabled.
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This feature is enabled by default.
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* ename:VK_VALIDATION_FEATURE_DISABLE_OBJECT_LIFETIMES_EXT specifies that
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object lifetime validation is disabled.
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This feature is enabled by default.
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* ename:VK_VALIDATION_FEATURE_DISABLE_CORE_CHECKS_EXT specifies that core
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validation checks are disabled.
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This feature is enabled by default.
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If this feature is disabled, the shader validation and GPU-assisted
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validation features are also disabled.
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* ename:VK_VALIDATION_FEATURE_DISABLE_UNIQUE_HANDLES_EXT specifies that
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protection against duplicate non-dispatchable object handles is
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disabled.
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This feature is enabled by default.
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--
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[NOTE]
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.Note
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====
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Disabling checks such as parameter validation and object lifetime validation
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prevents the reporting of error conditions that can cause other validation
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checks to behave incorrectly or crash.
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Some validation checks assume that their inputs are already valid and do not
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always revalidate them.
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====
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[NOTE]
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.Note
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====
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The `<<VK_EXT_validation_features>>` extension subsumes all the
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functionality provided in the `<<VK_EXT_validation_flags>>` extension.
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====
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