by using the previous commit, the problem seems to be solved.
On Wed, Sep 28, 2016 at 11:16 AM, Davide Raccagni <davide.racca...@gmail.com
> I have developed a Qt widget based on QOpenGLWidget. It uses internally an
> instance of osgViewer::GraphicsWindowEmbedded. The constructor
> x, int y, int width, int height) crashes in Debug mode with Visual Studio
> 2015, while it works in Release mode. Apparently the reason is that
> _traits->sharedContext is not properly initialized to 0 in Debug mode.
> Davide Raccagni
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