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* Update release number to 78. Public Issues: * Change markup so parameter descriptions include links to structures, instead of just their names (public issue 697). * Resume publishing updated Vulkan 1.0 + KHR extensions and Vulkan 1.0 + all extensions versions of the specification (public issue 722). * Reapply fixes from public pull request 698 for `VK_ANDROID_external_memory_android_hardware_buffer`, which accidentally were reverted at some point (public pull request 724). * Fix undefined format valid usage statements for slink:VkImageCreateInfo in the presence of the `VK_ANDROID_external_memory_android_hardware_buffer` extension (public pull request 725). * Miscellaneous markup consistency fixes (public pull request 728). Internal Issues: * When building specifications containing vendor extensions, add terms to the Khronos spec copyright specifying that the result is not a ratified specification (internal issue 739). * Change the value of the pname:maxDescriptorSetUpdateAfterBindUniformBuffers minimum limit to 72 (6 times pname:maxPerStageDescriptorUpdateAfterBindUniformBuffers) in the <<features-limits-required, Required Limits>> table (internal issue 1300). Other Issues: * Fix link to resource image view compatibility table in the valid usage statements for slink:VkImageFormatListCreateInfoKHR (internal pull request 2711).
44 lines
2.1 KiB
Plaintext
44 lines
2.1 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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[[create_shared_swapchains,create_shared_swapchains]]
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[open,refpage='vkCreateSharedSwapchainsKHR',desc='Create multiple swapchains that share presentable images',type='protos']
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--
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When the `VK_KHR_display_swapchain` extension is enabled, multiple
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swapchains that share presentable images are created by calling:
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include::../../api/protos/vkCreateSharedSwapchainsKHR.txt[]
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* pname:device is the device to create the swapchains for.
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* pname:swapchainCount is the number of swapchains to create.
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* pname:pCreateInfos is a pointer to an array of
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slink:VkSwapchainCreateInfoKHR structures specifying the parameters of
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the created swapchains.
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* pname:pAllocator is the allocator used for host memory allocated for the
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swapchain objects when there is no more specific allocator available
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(see <<memory-allocation,Memory Allocation>>).
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* pname:pSwapchains is a pointer to an array of slink:VkSwapchainKHR
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handles in which the created swapchain objects will be returned.
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fname:vkCreateSharedSwapchains is similar to flink:vkCreateSwapchainKHR,
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except that it takes an array of sname:VkSwapchainCreateInfoKHR structures,
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and returns an array of swapchain objects.
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The swapchain creation parameters that affect the properties and number of
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presentable images must: match between all the swapchains.
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If the displays used by any of the swapchains do not use the same
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presentable image layout or are incompatible in a way that prevents sharing
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images, swapchain creation will fail with the result code
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ename:VK_ERROR_INCOMPATIBLE_DISPLAY_KHR.
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If any error occurs, no swapchains will be created.
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Images presented to multiple swapchains must: be re-acquired from all of
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them before transitioning away from ename:VK_IMAGE_LAYOUT_PRESENT_SRC_KHR.
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After destroying one or more of the swapchains, the remaining swapchains and
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the presentable images can: continue to be used.
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include::../../validity/protos/vkCreateSharedSwapchainsKHR.txt[]
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--
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