From e9a8ea24a64ed4ff2c892f366a8fecf45bc0e6f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20L=C3=BCbking?= <thomas.luebking@gmail.com>
Date: Thu, 6 Feb 2014 00:16:06 +0100
Subject: [PATCH] fix frontbuffer copying swap preference

REVIEW: 115523
CCBUG: 330794
CCBUG: 322060
---
 scene_opengl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index 27c9ab8790..77aec3c0c9 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -398,7 +398,7 @@ qint64 SceneOpenGL::paint(QRegion damage, ToplevelList toplevels)
         glReadBuffer(GL_FRONT);
         copyPixels(displayRegion - validRegion);
         glReadBuffer(GL_BACK);
-        damage = displayRegion;
+        validRegion = displayRegion;
     }
 #endif