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* Update release number to 122.
Internal Issues:
* Add style guide language on not using standalone `+` signs (internal
issue 736); not using leading whitespace for markup (internal issue
747); and on keeping descriptions of a single API in a contiguous block
of markup (internal issue 949), and apply them to the specification.
* Add a glossary definition of "`constant integral expression`", pointing
to the SPIR-V "`constant instruction`" definition (internal issue 1225).
* Many minor edits to improve writing style consistency and capture
additional style guidelines (internal issue 1553).
* Clarify that <<fragops-depth-write, depth writes are not performed>> if
there is no depth framebuffer attachment (internal issue 1771).
* Allow implementations to use rectangular line style of interpolation for
<<primsrast-lines-bresenham, wide Bresenham lines>>, though replicating
attributes is still preferred. Clarify that code:FragCoord is not
replicated (internal issue 1772).
* Resolve a contradiction in valid usage statements for
slink:VkImageCreateInfo and slink:VkImageStencilUsageCreateInfoEXT
(internal issue 1773).
* Add style guide discussion of markup for indented equations, and use
markup workaround for asciidoctor 2 compatibility (internal issue 1793).
* Deprecate the `<<VK_EXT_validation_flags>>` extension in `vk.xml` and
the extension appendix (internal issue 1801).
* Add a new checker script `scripts/xml_consistency.py`. This is not
currently run as part of internal CI (internal merge request 3285).
* Correct "`an`" -> "`a`" prepositions where needed (internal merge
request 3334).
* Clarify that the <<features-uniformBufferStandardLayout,
pname:uniformBufferStandardLayout>> feature is only required when the
extension defining it is supported (internal merge request 3341).
* Bring scripts into closer sync with OpenXR, mainly through conversion of
comments to docstrings where appropriate, and add gen-scripts-docs.sh
(internal merge request 3324).
* Correct pname:maxDrawMeshTasksCount to 2^16^-1 in the <<limits-required,
Required Limits>> table (internal merge requests 3361).
New Extensions
* `<<VK_IMG_format_pvrtc>>` (public issue 512).
66 lines
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66 lines
1.7 KiB
Plaintext
include::meta/VK_EXT_acquire_xlib_display.txt[]
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*Last Modified Date*::
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2016-12-13
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*IP Status*::
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No known IP claims.
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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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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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