Hi Jonathan,

I still get the warning about an OpenGL error:

Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(,)

That warning could be caused by something else, I wouldn't put too much stake into it being related to your problem. It's such a general warning that it's impossible to know what it's related to.

Again, quad buffering does work for me in my application and with osgViewer. So 
I know that quad buffering is working on my system.

I have no way of testing here, but you do. I have no idea why ANAGLYPHIC would work but QUAD_BUFFER wouldn't other than driver support, but you say quad buffer works in osgviewer so your driver obviously supports it.

I would suggest compiling OSG from source, running osgcompositeviewer in the debugger and seeing what's going on from there. Set a few breakpoints in osgUtil::SceneView where it sets up the stereo support, and try to trace into the code.

Sorry I can't help more,

J-S
--
______________________________________________________
Jean-Sebastien Guay    jean-sebastien.g...@cm-labs.com
                               http://www.cm-labs.com/
                        http://whitestar02.webhop.org/
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