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256a1ef661
* Update release number to 93.
Public Issues:
* Add spec language for ename:VK_INDEX_TYPE_NONE_NV and fix up
slink:VkAccelerationStructureTypeNV (public issue 848).
* Add missing suffix in description of slink:VkSubpassDescription2KHR
parameters (public pull request 851).
* Fix miscellaneous typos (public pull request 855).
* Add driver ID for Pastel (public pull request 856).
* Add missing include directive for slink:VkMemoryWin32HandlePropertiesKHR
implicit valid usage statements (public pull request 857).
Internal Issues:
* Restrict the storage classes permitted for SPIR-V atomics to what is
actually supported, in the <<spirvenv-module-validation, Validation
Rules within a Module>> section (internal issue 1123).
* Add a missing Valid Usage statement to slink:VkRenderPassCreateInfo for
the case pname:stencilLoadOp == ename:VK_LOAD_OP_CLEAR, pname:layout ==
ename:VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL (internal issue
1408).
* Modify optimize-pdf script and Makefile to retain non-optimized original
PDF on errors (internal issue 1435).
* Add <<spirvenv-module-validation, SPIR-V validation rules>> stating that
only the listed code:BuiltIn decorations are permitted, and only when
relevante features and extensions are enabled (internal issue 1449).
* Remove some duplicated Valid Usage IDs created via cut & paste error
(internal issue 1455).
* Build HTML output for extension reference pages (internal issue 1461).
** Improve genRef.py handling of aliases defined inside other refpages.
** Emit aliases in pygenerator.py.
** Add XML noautovalidity flag for VkRenderPassCreateFlags until there
are some corresponding FlagBits defined.
** Corrected types= attribute on some refpage blocks to 'flags'
** Added refpage blocks for some missing types detected by CI tests.
* Fixed many Valid Usage statement issues in slink:VkRenderPassCreateInfo,
slink:VkSubpassDescription, slink:VkSubpassDescription2KHR,
slink:VkSubpassDependency2KHR, flink:vkCmdBeginRenderPass,
flink:vkCmdBeginRenderPass2KHR, and slink:VkRenderPassBeginInfo
discovered while adding `VK_KHR_create_renderpass2` to the validation
layers.
New Extensions:
* `VK_EXT_scalar_block_layout`
* `VK_EXT_separate_stencil_usage`
86 lines
3.2 KiB
Plaintext
86 lines
3.2 KiB
Plaintext
// Copyright (c) 2014-2018 Khronos Group. This work is licensed under a
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// Creative Commons Attribution 4.0 International License; see
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// http://creativecommons.org/licenses/by/4.0/
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[[platformCreateSurface_android,platformCreateSurface_android]]
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=== Android Platform
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[open,refpage='vkCreateAndroidSurfaceKHR',desc='Create a slink:VkSurfaceKHR object for an Android native window',type='protos']
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--
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To create a sname:VkSurfaceKHR object for an Android native window, call:
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include::../../api/protos/vkCreateAndroidSurfaceKHR.txt[]
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* pname:instance is the instance to associate the surface with.
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* pname:pCreateInfo is a pointer to an instance of the
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sname:VkAndroidSurfaceCreateInfoKHR structure containing parameters
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affecting the creation of the surface object.
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* pname:pAllocator is the allocator used for host memory allocated for the
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surface object when there is no more specific allocator available (see
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<<memory-allocation,Memory Allocation>>).
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* pname:pSurface points to a slink:VkSurfaceKHR handle in which the
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created surface object is returned.
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During the lifetime of a surface created using a particular
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code:ANativeWindow handle any attempts to create another surface for the
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same code:ANativeWindow and any attempts to connect to the same
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code:ANativeWindow through other platform mechanisms will fail.
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[NOTE]
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.Note
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====
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In particular, only one sname:VkSurfaceKHR can: exist at a time for a given
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window.
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Similarly, a native window cannot: be used by both a sname:VkSurfaceKHR and
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code:EGLSurface simultaneously.
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====
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If successful, fname:vkCreateAndroidSurfaceKHR increments the
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code:ANativeWindow's reference count, and fname:vkDestroySurfaceKHR will
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decrement it.
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On Android, when a swapchain's pname:imageExtent does not match the
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surface's pname:currentExtent, the presentable images will be scaled to the
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surface's dimensions during presentation.
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pname:minImageExtent is [eq]#(1,1)#, and pname:maxImageExtent is the maximum
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image size supported by the consumer.
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For the system compositor, pname:currentExtent is the window size (i.e. the
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consumer's preferred size).
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include::../../validity/protos/vkCreateAndroidSurfaceKHR.txt[]
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--
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[open,refpage='VkAndroidSurfaceCreateInfoKHR',desc='Structure specifying parameters of a newly created Android surface object',type='structs']
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--
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The sname:VkAndroidSurfaceCreateInfoKHR structure is defined as:
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include::../../api/structs/VkAndroidSurfaceCreateInfoKHR.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:flags is reserved for future use.
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* pname:window is a pointer to the code:ANativeWindow to associate the
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surface with.
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.Valid Usage
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****
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* [[VUID-VkAndroidSurfaceCreateInfoKHR-window-01248]]
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pname:window must: point to a valid Android code:ANativeWindow.
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****
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include::../../validity/structs/VkAndroidSurfaceCreateInfoKHR.txt[]
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--
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[open,refpage='ANativeWindow',desc='Android native window type',type='defines']
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--
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To remove an unnecessary compile-time dependency, an incomplete type
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definition of code:ANativeWindow is provided in the Vulkan headers:
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include::../../api/defines/ANativeWindow.txt[]
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The actual code:ANativeWindow type is defined in Android NDK headers.
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--
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