From 175f117af353151d2e7351f90341abcc33ba59bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20L=C3=BCbking?= <thomas.luebking@gmail.com>
Date: Thu, 28 Mar 2013 22:55:14 +0100
Subject: [PATCH] drop malicious waitSync

REVIEW: 110558
---
 glxbackend.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/glxbackend.cpp b/glxbackend.cpp
index 4ffe25c057..17df69908b 100644
--- a/glxbackend.cpp
+++ b/glxbackend.cpp
@@ -436,7 +436,6 @@ void GlxBackend::present()
             glXSwapBuffers(display(), glxWindow);
         }
     } else if (glXCopySubBuffer) {
-        waitSync();
         foreach (const QRect & r, lastDamage().rects()) {
             // convert to OpenGL coordinates
             int y = displayHeight() - r.y() - r.height();
@@ -444,7 +443,6 @@ void GlxBackend::present()
         }
     } else { // Copy Pixels (horribly slow on Mesa)
         glDrawBuffer(GL_FRONT);
-        waitSync();
         SceneOpenGL::copyPixels(lastDamage());
         glDrawBuffer(GL_BACK);
     }