From 277449f545409668ea428bee561b85db34948d50 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@kde.org>
Date: Fri, 24 Nov 2006 21:28:52 +0000
Subject: [PATCH] Ungrab X before doing the double-buffering swap, as that one
 may involve waiting to sync to vblank.

svn path=/branches/work/kwin_composite/; revision=607501
---
 scene_opengl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index 9dc10b4f0f..70b99c488a 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -448,8 +448,8 @@ void SceneOpenGL::paint( QRegion damage, ToplevelList toplevels )
     int mask = 0;
     paintScreen( &mask, &damage ); // call generic implementation
     glPopMatrix();
+    ungrabXServer(); // ungrab before flushBuffer(), it may wait for vsync
     flushBuffer( mask, damage );
-    ungrabXServer();
     // do cleanup
     stacking_order.clear();
     checkGLError( "PostPaint" );