[gtk: 5/5] Merge branch 'wip/otte/glcontext' into 'master'

[Benjamin Otte <otte src gnome org>]

commit 27573d9576e2b900e792beb735cfa00ef38047fe
Merge: 5c1e402429 e974a0412f
Author: Benjamin Otte <otte benjamin googlemail com>
Date:   Fri Oct 8 15:57:08 2021 +0000

    Merge branch 'wip/otte/glcontext' into 'master'
    
    glcontext: Make GLES vs GL configuration clearer
    
    Closes #4221
    
    See merge request GNOME/gtk!4044

 gdk/gdk.c                          |   2 +-
 gdk/gdkglcontext.c                 | 294 +++++++++++++++++++++++++++++--------
 gdk/gdkglcontext.h                 |  23 ++-
 gdk/gdkglcontextprivate.h          |   5 +-
 gdk/macos/gdkmacosglcontext.c      |  13 +-
 gdk/win32/gdkglcontext-win32-wgl.c |  14 +-
 gdk/x11/gdkglcontext-glx.c         |  87 ++++++-----
 gtk/gtkglarea.c                    |   2 +-
 8 files changed, 323 insertions(+), 117 deletions(-)
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