[gtk/gtk-3-24: 4/4] Merge branch 'wip/gtk324.win.egl' into 'gtk-3-24'

[Matthias Clasen <matthiasc src gnome org>]

commit 29b61176bb60c0acd6a0623d460254cead68e5e0
Merge: 174c4fa7ee b6db96cd1a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jul 2 17:18:26 2018 +0000

    Merge branch 'wip/gtk324.win.egl' into 'gtk-3-24'
    
    Add an EGL renderer for GDK-Win32 for GTK+-3.24 (was: merge request !126)
    
    See merge request GNOME/gtk!191

 build/win32/Makefile.am         |   1 +
 build/win32/README_EGL_MSVC.txt |  29 ++
 configure.ac                    |  37 ++
 gdk/gdkgl.c                     |  13 +-
 gdk/gdkglcontext.c              |  10 +-
 gdk/win32/Makefile.am           |   4 +
 gdk/win32/gdkdisplay-win32.c    |  12 +
 gdk/win32/gdkdisplay-win32.h    |  18 +
 gdk/win32/gdkevents-win32.c     |   6 +
 gdk/win32/gdkglcontext-win32.c  | 730 ++++++++++++++++++++++++++++++++--------
 gdk/win32/gdkglcontext-win32.h  |  13 +
 gdk/win32/gdkwindow-win32.c     |  56 +++
 gdk/win32/gdkwindow-win32.h     |  16 +
 13 files changed, 803 insertions(+), 142 deletions(-)
---