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60 lines
1.6 KiB
Plaintext
60 lines
1.6 KiB
Plaintext
include::meta/VK_EXT_direct_mode_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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- 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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This is extension, along with related platform exentions, allows
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applications to take exclusive control of displays associated with a native
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windowing system.
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This is especially useful for virtual reality applications that wish to hide
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HMDs (head mounted displays) from the native platform's display management
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system, desktop, and/or other applications.
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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:vkReleaseDisplayEXT
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=== Issues
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1) Should this extension and its related platform-specific extensions
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leverage <<VK_KHR_display>>, or provide separate equivalent interfaces.
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*RESOLVED*: Use <<VK_KHR_display>> concepts and objects.
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<<VK_KHR_display>> can be used to enumerate all displays on the system,
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including those attached to/in use by a window system or native platform,
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but <<VK_KHR_display_swapchain>> will fail to create a swapchain on in-use
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displays.
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This extension and its platform-specific children will allow applications to
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grab in-use displays away from window systems and/or native platforms,
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allowing them to be used with <<VK_KHR_display_swapchain>>.
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2) Are separate calls needed to acquire displays and enable direct mode?
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*RESOLVED*: No, these operations happen in one combined command.
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Acquiring a display puts it into direct mode.
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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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