[gtk: 8/8] Merge branch 'ebassi/egl-x11' into 'master'

[Emmanuele Bassi <ebassi src gnome org>]

commit 6120519e8e0307156b4dbfe4b93275463d57f3ca
Merge: 564d835fba 69856a9aac
Author: Emmanuele Bassi <ebassi gmail com>
Date:   Mon May 10 22:51:11 2021 +0000

    Merge branch 'ebassi/egl-x11' into 'master'
    
    Prefer EGL to GLX for the GL support on X11
    
    See merge request GNOME/gtk!3540

 gdk/gdk.c                  |    1 +
 gdk/gdkdebug.h             |    7 +-
 gdk/x11/gdkdisplay-x11.h   |   20 +-
 gdk/x11/gdkglcontext-egl.c |  800 +++++++++++++++++++++++++++
 gdk/x11/gdkglcontext-glx.c | 1314 ++++++++++++++++++++++++++++++++++++++++++++
 gdk/x11/gdkglcontext-x11.c | 1223 +----------------------------------------
 gdk/x11/gdkglcontext-x11.h |   71 ++-
 gdk/x11/gdkscreen-x11.h    |    1 -
 gdk/x11/gdkvisual-x11.c    |    8 +-
 gdk/x11/gdkx11glcontext.h  |    4 +
 gdk/x11/meson.build        |    2 +
 11 files changed, 2227 insertions(+), 1224 deletions(-)
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