[osg-users] Executing code before gl context is closed when viewer is shutdown

[Björn Blissing]

Hi,

More odd questions connected to my Oculus integration.

Is there a simple way to detect when the osg::viewer is ordered to close? I need to execute some Oculus related code before the OpenGL context is closed. So what I am looking for is some form of opposite of viewerBase.setRealizeOperation() function.

My first idea was to subclass the osg::GraphicContext class and run my own custom destructor before the default constructor. But that idea is a no go, because the OS dependent windowing APIs are already implemented as subclasses to osg::GraphicContext.

Best regards
Björn

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