[osg-users] access frame buffer when using osgViewer::Viewer

[Yanling Liu]

Thanks Robert. That's what I need.

On Dec 31, 2007 12:40 PM, Robert Osfield <robert.osfield at gmail.com> wrote:

> On Dec 28, 2007 8:30 PM, Javier Taibo <jtaibo at udc.es> wrote:
> >
> >   You can do it just calling glReadPixels after viewer.frame()
>
> This *only* works when you have a single window, and run single
> threaded, all other times the above will crash.
>
> Use a Camera post DrawCallack, placing the glReadPixels in the callback.
>
> Robert.
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