From 9b6e3fbe943236f7dc79fd646d589b13f788d3eb Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 27 Jan 2011 18:49:22 +0000
Subject: [PATCH] From Andreas Roth, "simple fix to support quad buffer stereo
 in osgQt"

---
 src/osgQt/GraphicsWindowQt.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/osgQt/GraphicsWindowQt.cpp b/src/osgQt/GraphicsWindowQt.cpp
index 8d365a730..6e7956bd3 100644
--- a/src/osgQt/GraphicsWindowQt.cpp
+++ b/src/osgQt/GraphicsWindowQt.cpp
@@ -157,6 +157,7 @@ bool GraphicsWindowQt::init()
     format.setStencil( _traits->stencil>0 );
     format.setDoubleBuffer( _traits->doubleBuffer );
     format.setSwapInterval( _traits->vsync ? 1 : 0 );
+    format.setStereo( _traits->quadBufferStereo ? 1 : 0 );
     
     WindowData* windowData = _traits.get() ? dynamic_cast<WindowData*>(_traits->inheritedWindowData.get()) : 0;
     _widget = windowData ? windowData->_widget : 0;
@@ -344,4 +345,4 @@ void GraphicsWindowQt::requestWarpPointer( float x, float y )
         QCursor::setPos( _widget->mapToGlobal(QPoint((int)x,(int)y)) );
 }
 
-}
\ No newline at end of file
+}