Bail out of window move/resize early if no change

This is not all that uncommon in size_allocate, so we want
to optimize this case.

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 78911ae2341c4bf917c51c742f3caa6e00e30ee7..35600011dced632166bf51c412bb9d1558617a1f 100644 (file)
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -6990,6 +6990,14 @@ gdk_window_move_resize_internal (GdkWindow *window,
       return;
     }
 
+  /* Bail early if no change */
+  if (private->width == width &&
+      private->height == height &&
+      (!with_move ||
+       (private->x == x &&
+       private->y == y)))
+    return;
+
   /* Handle child windows */
 
   expose = FALSE;