From f551826ae233978bddd836a27b1ab4787e5eb399 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@kde.org>
Date: Tue, 21 Nov 2006 20:08:08 +0000
Subject: [PATCH] Wait for all XRender requests to be actually sent and
 processes, not just queued.

svn path=/branches/work/kwin_composite/; revision=606788
---
 effects/showfps.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/effects/showfps.cpp b/effects/showfps.cpp
index eb101a4bf0..03c066cbcd 100644
--- a/effects/showfps.cpp
+++ b/effects/showfps.cpp
@@ -208,6 +208,8 @@ void ShowFpsEffect::paintX( int fps )
 void ShowFpsEffect::postPaintScreen()
     {
     effects->postPaintScreen();
+    if( dynamic_cast< SceneXrender* >( scene ))
+        XSync( display(), False ); // make sure all rendering is done
     paints[ paints_pos ] = t.elapsed();
     if( ++paints_pos == NUM_PAINTS )
         paints_pos = 0;