1// Copyright 2018-2021 The Khronos Group Inc. 2// 3// SPDX-License-Identifier: CC-BY-4.0 4 5include::{generated}/meta/{refprefix}VK_EXT_acquire_xlib_display.txt[] 6 7=== Other Extension Metadata 8 9*Last Modified Date*:: 10 2016-12-13 11*IP Status*:: 12 No known IP claims. 13*Contributors*:: 14 - Dave Airlie, Red Hat 15 - Pierre Boudier, NVIDIA 16 - James Jones, NVIDIA 17 - Damien Leone, NVIDIA 18 - Pierre-Loup Griffais, Valve 19 - Liam Middlebrook, NVIDIA 20 - Daniel Vetter, Intel 21 22=== Description 23 24This extension allows an application to take exclusive control on a display 25currently associated with an X11 screen. 26When control is acquired, the display will be deassociated from the X11 27screen until control is released or the specified display connection is 28closed. 29Essentially, the X11 screen will behave as if the monitor has been unplugged 30until control is released. 31 32include::{generated}/interfaces/VK_EXT_acquire_xlib_display.txt[] 33 34=== Issues 35 361) Should flink:vkAcquireXlibDisplayEXT take an RandR display ID, or a 37Vulkan display handle as input? 38 39*RESOLVED*: A Vulkan display handle. 40Otherwise there would be no way to specify handles to displays that had been 41prevented from being included in the X11 display list by some native 42platform or vendor-specific mechanism. 43 442) How does an application figure out which RandR display corresponds to a 45Vulkan display? 46 47*RESOLVED*: A new function, flink:vkGetRandROutputDisplayEXT, is introduced 48for this purpose. 49 503) Should flink:vkGetRandROutputDisplayEXT be part of this extension, or a 51general Vulkan / RandR or Vulkan / Xlib extension? 52 53*RESOLVED*: To avoid yet another extension, include it in this extension. 54 55=== Version History 56 57 * Revision 1, 2016-12-13 (James Jones) 58 - Initial draft 59