[gtk+] wayland: always sync state after a frame is painted

[Gustavo Noronha Silva <gns src gnome org>]

commit 7292b035593008e79cf4aae1b8dcf0f7a83bc55f
Author: Gustavo Noronha Silva <gustavo noronha collabora co uk>
Date:   Mon Sep 26 10:56:42 2016 +0200

    wayland: always sync state after a frame is painted
    
    Opaque region, margin and input region were only being synced when a cairo
    paint happened. That caused GL paints to sometimes end up with bad state.
    Move calls to sync state to gdk_window_impl_wayland_end_paint.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771553

 gdk/wayland/gdkwindow-wayland.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index f35c4c8..7dbb979 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -597,10 +597,6 @@ on_frame_clock_after_paint (GdkFrameClock *clock,
   if (impl->pending_buffer_attached)
     read_back_cairo_surface (window);
 
-  gdk_wayland_window_sync_margin (window);
-  gdk_wayland_window_sync_opaque_region (window);
-  gdk_wayland_window_sync_input_region (window);
-
   /* From this commit forward, we can't write to the buffer,
    * it's "live".  In the future, if we need to stage more changes
    * we have to allocate a new staging buffer and draw to it instead.
@@ -936,6 +932,10 @@ gdk_window_impl_wayland_end_paint (GdkWindow *window)
 
       impl->pending_commit = TRUE;
     }
+
+  gdk_wayland_window_sync_margin (window);
+  gdk_wayland_window_sync_opaque_region (window);
+  gdk_wayland_window_sync_input_region (window);
 }
 
 static gboolean