What also works for me is to take my render to texture slave cameras out of
the scene graph group
they are contained in. For thread safety, this has to happen in an update
callback.

I use this method for computation in GLSL, so the computation is only
triggered when it's necessary
and not in every frame.

Christian





2016-06-15 13:59 GMT+02:00 Etienne de Sarrieu <etienne.desarr...@altran.com>
:

> Hi,
>
> Thank you very much Robert, this solves my problem !!!
>
> Cheers,
> Etienne
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=67635#67635
>
>
>
>
>
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