From 106614d5862fce2a885da16dba52c5cf54397dc3 Mon Sep 17 00:00:00 2001
From: Gunnar Sletta <gunnar.sletta@digia.com>
Date: Mon, 4 Mar 2013 12:58:47 +0100
Subject: [PATCH] Work bizarre FBO rendering sync issue.

Change-Id: Ib926a53e99f8523e2ecc450b0640591a65bbe2a5
---
 src/quick/items/qquickshadereffectsource.cpp |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/quick/items/qquickshadereffectsource.cpp b/src/quick/items/qquickshadereffectsource.cpp
index bdfef7c..95c6db5 100644
--- a/src/quick/items/qquickshadereffectsource.cpp
+++ b/src/quick/items/qquickshadereffectsource.cpp
@@ -397,7 +397,11 @@ void QQuickShaderEffectTexture::grab()
     m_renderer->setClearColor(Qt::transparent);
 
     if (m_multisampling) {
-        m_renderer->renderScene(BindableFbo(m_secondaryFbo, m_depthStencilBuffer.data()));
+        {
+            BindableFbo fbo(m_secondaryFbo, m_depthStencilBuffer.data());
+            m_renderer->renderScene(fbo);
+            glFlush();
+        }
 
         if (deleteFboLater) {
             delete m_fbo;
-- 
1.7.9.6 (Apple Git-31.1)