[gtk: 2/2] Merge branch 'wip/fencing-without-context-is-discouraged' into 'master'

[Ray Strode <halfline src gnome org>]

commit 518462d882034c18e93171e66f87df95d35b3af4
Merge: 1643e81c47 1912513d7a
Author: Ray Strode <halfline gmail com>
Date:   Tue Jun 23 09:53:35 2020 +0000

    Merge branch 'wip/fencing-without-context-is-discouraged' into 'master'
    
    x11: Ensure bound context is compatible with sync fence
    
    See merge request GNOME/gtk!2139

 gdk/x11/gdkglcontext-x11.c | 48 +++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 41 insertions(+), 7 deletions(-)
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