[gtk/gtk-3-24: 4/4] Merge branch 'win32-gl-reorg-3' into 'gtk-3-24'

[Luca Bacci <lbacci src gnome org>]

commit ae8fde9630a5428699a1478677fb2b4598a5ccb9
Merge: 3c83854962 bcdbb93296
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Sat Nov 6 11:21:43 2021 +0000

    Merge branch 'win32-gl-reorg-3' into 'gtk-3-24'
    
    GDK-Win32: Reorganize backend GL code and add fallback mode
    
    See merge request GNOME/gtk!3859

 gdk/win32/gdkdisplay-win32.c   |   10 +-
 gdk/win32/gdkdisplay-win32.h   |   37 +-
 gdk/win32/gdkevents-win32.c    |    4 +-
 gdk/win32/gdkglcontext-win32.c | 1454 ++++++++++++++++++++++------------------
 gdk/win32/gdkglcontext-win32.h |   57 +-
 gdk/win32/gdkwindow-win32.c    |   12 +-
 gdk/win32/gdkwindow-win32.h    |    5 +-
 7 files changed, 859 insertions(+), 720 deletions(-)
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