104 lines
2.8 KiB
Plaintext
104 lines
2.8 KiB
Plaintext
// Copyright (c) 2014-2017 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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[[VK_KHR_android_surface]]
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== VK_KHR_android_surface
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*Name String*::
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+VK_KHR_android_surface+
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*Extension Type*::
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Instance extension
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*Registered Extension Number*::
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9
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*Last Modified Date*::
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2016-01-14
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*Revision*::
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6
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*IP Status*::
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No known IP claims.
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*Dependencies*::
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- This extension is written against version 1.0 of the Vulkan API.
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- Requires +VK_KHR_surface+.
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*Contributors*::
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- Patrick Doane, Blizzard
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- Jason Ekstrand, Intel
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- Ian Elliott, LunarG
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- Courtney Goeltzenleuchter, LunarG
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- Jesse Hall, Google
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- James Jones, NVIDIA
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- Antoine Labour, Google
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- Jon Leech, Khronos
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- David Mao, AMD
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- Norbert Nopper, Freescale
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- Alon Or-bach, Samsung
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- Daniel Rakos, AMD
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- Graham Sellers, AMD
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- Ray Smith, ARM
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- Jeff Vigil, Qualcomm
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- Chia-I Wu, LunarG
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*Contacts*::
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- Jesse Hall, Google
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The +VK_KHR_android_surface+ extension is an instance extension.
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It provides a mechanism to create a slink:VkSurfaceKHR object (defined by
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the +VK_KHR_surface+ extension) that refers to an code:ANativeWindow,
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Android's native surface type.
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The code:ANativeWindow represents the producer endpoint of any buffer queue,
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regardless of consumer endpoint.
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Common consumer endpoints for code:ANativeWindows are the system window
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compositor, video encoders, and application-specific compositors importing
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the images through a SurfaceTexture.
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=== New Object Types
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None
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=== New Enum Constants
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* Extending elink:VkStructureType:
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** ename:VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR
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=== New Enums
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None
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=== New Structures
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* slink:VkAndroidSurfaceCreateInfoKHR
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=== New Functions
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* flink:vkCreateAndroidSurfaceKHR
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=== Issues
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1) Does Android need a way to query for compatibility between a particular
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physical device (and queue family?) and a specific Android display?
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*RESOLVED*: No.
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Currently on Android, any GPU is expected to be able to present to the
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system compositor, and all queue families must support the necessary image
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layout transitions and synchronization operations.
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=== Version History
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* Revision 1, 2015-09-23 (Jesse Hall)
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- Initial draft.
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* Revision 2, 2015-10-26 (Ian Elliott)
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- Renamed from VK_EXT_KHR_android_surface to VK_KHR_android_surface.
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* Revision 3, 2015-11-03 (Daniel Rakos)
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- Added allocation callbacks to surface creation function.
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* Revision 4, 2015-11-10 (Jesse Hall)
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- Removed VK_ERROR_INVALID_ANDROID_WINDOW_KHR.
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* Revision 5, 2015-11-28 (Daniel Rakos)
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- Updated the surface create function to take a pCreateInfo structure.
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* Revision 6, 2016-01-14 (James Jones)
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- Moved VK_ERROR_NATIVE_WINDOW_IN_USE_KHR from the VK_KHR_android_surface
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to the VK_KHR_surface extension.
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