81 lines
2.0 KiB
Plaintext
81 lines
2.0 KiB
Plaintext
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[[VK_EXT_acquire_xlib_display]]
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== VK_EXT_acquire_xlib_display
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*Name String*::
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+VK_EXT_acquire_xlib_display+
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*Extension Type*::
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Instance extension
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*Registered Extension Number*::
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90
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*Last Modified Date*::
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2016-12-13
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*Revision*::
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1
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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 1.0.37 of the Vulkan API.
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- Requires +VK_KHR_display+.
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- Requires +VK_EXT_direct_mode_display+.
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*Contributors*::
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- Dave Airlie, Red Hat
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- Pierre Boudier, NVIDIA
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- James Jones, NVIDIA
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- Damien Leone, NVIDIA
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- Pierre-Loup Griffais, Valve
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- Liam Middlebrook, NVIDIA
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- Daniel Vetter, Intel
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*Contacts*::
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- James Jones, NVIDIA (jajones 'at' nvidia.com)
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This extension allows an application to take exclusive control on a display
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currently associated with an X11 screen.
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When control is acquired, the display will be deassociated from the X11
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screen until control is released or the specified display connection is
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closed.
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Essentially, the X11 screen will behave as if the monitor has been unplugged
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until control is released.
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=== New Enum Constants
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None.
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=== New Enums
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None.
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=== New Structures
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None.
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=== New Functions
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* flink:vkAcquireXlibDisplayEXT
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* flink:vkGetRandROutputDisplayEXT
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=== Issues
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1) Should flink:vkAcquireXlibDisplayEXT take an RandR display ID, or a
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Vulkan display handle as input?
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*RESOLVED*: A Vulkan display handle.
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Otherwise there would be no way to specify handles to displays that had been
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``blacklisted'' or prevented from being included in the X11 display list by
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some native platform or vendor-specific mechanism.
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2) How does an application figure out which RandR display corresponds to a
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Vulkan display?
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*RESOLVED*: A new function, flink:vkGetRandROutputDisplayEXT, is introduced
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for this purpose.
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3) Should flink:vkGetRandROutputDisplayEXT be part of this extension, or a
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general Vulkan + RandR or Vulkan + Xlib extension?
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*RESOLVED*: To avoid yet another extension, include it in this extension.
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=== Version History
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* Revision 1, 2016-12-13 (James Jones)
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- Initial draft
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