From 6653e49cf295cd052888ec172f17e088970e4ab4 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@digia.com>
Date: Mon, 9 Mar 2015 11:57:42 +0100
Subject: Add missing flush for multisampled QOpenGLWidget
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QOpenGLWidget exhibits the same issue as QQuickWidget in the linked bug.

Task-number: QTBUG-39917
Change-Id: Ib231fb88f73c6ef68f12cc3fecf462679e8184a7
Reviewed-by: Jørgen Lind <jorgen.lind@theqtcompany.com>
---
 src/widgets/kernel/qopenglwidget.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/widgets/kernel/qopenglwidget.cpp b/src/widgets/kernel/qopenglwidget.cpp
index f63685c37a..3b33894627 100644
--- a/src/widgets/kernel/qopenglwidget.cpp
+++ b/src/widgets/kernel/qopenglwidget.cpp
@@ -768,6 +768,7 @@ void QOpenGLWidgetPrivate::resolveSamples()
         q->makeCurrent();
         QRect rect(QPoint(0, 0), fbo->size());
         QOpenGLFramebufferObject::blitFramebuffer(resolvedFbo, rect, fbo, rect);
+        QOpenGLContext::currentContext()->functions()->glFlush();
     }
 }
 
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