From 458953268b61290e47915ba4c915985670829515 Mon Sep 17 00:00:00 2001
From: "Owen W. Taylor" <otaylor@fishsoup.net>
Date: Fri, 12 Sep 2014 14:47:18 -0400
Subject: [PATCH] MetaBackground: fix getting stuck in a bad state after
 monitor changes

After the ::monitors-changed signal, set the dirty flag on each new
monitor information struct so the per-monitor resources will be
recreated.
---
 src/compositor/meta-background.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/compositor/meta-background.c b/src/compositor/meta-background.c
index 0fb784a15..0370f5515 100644
--- a/src/compositor/meta-background.c
+++ b/src/compositor/meta-background.c
@@ -133,8 +133,13 @@ on_monitors_changed (MetaScreen     *screen,
 
   if (priv->screen)
     {
+      int i;
+
       priv->n_monitors = meta_screen_get_n_monitors (screen);
       priv->monitors = g_new0 (MetaBackgroundMonitor, priv->n_monitors);
+
+      for (i = 0; i < priv->n_monitors; i++)
+        priv->monitors[i].dirty = TRUE;
     }
 }