From 9acb48a64ec6ca133f09e0757ff9f2359f55c983 Mon Sep 17 00:00:00 2001
From: Gunnar Sletta <gunnar.sletta@digia.com>
Date: Wed, 7 Aug 2013 10:07:34 +0200
Subject: [PATCH] Stop the update timer when no windows are visible

Change-Id: Ib9758a99891829d9bec81996687373d08ecfa055
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
---
 src/quick/scenegraph/qsgthreadedrenderloop.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/quick/scenegraph/qsgthreadedrenderloop.cpp b/src/quick/scenegraph/qsgthreadedrenderloop.cpp
index 1e0d7c5..15b6bdc 100644
--- a/src/quick/scenegraph/qsgthreadedrenderloop.cpp
+++ b/src/quick/scenegraph/qsgthreadedrenderloop.cpp
@@ -963,8 +963,11 @@ void QSGThreadedRenderLoop::releaseResources(QQuickWindow *window, bool inDestru
 
 void QSGThreadedRenderLoop::polishAndSync()
 {
-    if (!anyoneShowing())
+    if (!anyoneShowing()) {
+        killTimer(m_update_timer);
+        m_update_timer = 0;
         return;
+    }
 
     RLDEBUG("GUI: polishAndSync()");
 
-- 
2.7.4