ui/gtk: make GtkGlArea usage a runtime option

Compile in both gtk-egl and gtk-gl-area, then allow to choose at runtime
instead of compile time which opengl variant we want use.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180306090951.22932-2-kraxel@redhat.com

1 files changed, 2 insertions, 0 deletions

diff --git a/include/ui/gtk.h b/include/ui/gtk.h
index 849c896eef..f6dafc5961 100644
--- a/include/ui/gtk.h
+++ b/include/ui/gtk.h
@@ -90,6 +90,8 @@ typedef struct VirtualConsole {
     };
 } VirtualConsole;
 
+extern bool gtk_use_gl_area;
+
 /* ui/gtk.c */
 void gd_update_windowsize(VirtualConsole *vc);