Hi Sebastian,

of course I can not know what the host application is doing. You can run the 
application with "OSG_NOTIFY_LEVEL=debug". The osgPPU units will then print 
information about their execution on the console. So if you do not see there 
anything, then it might be that they are disable for some reasons. However they 
should be enabled, because from the host application point of view this are 
just another nodes in the scene graph.

What happens if you just set the main camera to use frame buffer object and 
don't use osgPPU at all. You then should not see anything, because main camera 
will then render into the texture and not on the screen. If you then see your 
previous results, then it means that the settings of your main camera are 
restored to something default. The way to solve that will then be to define 
your own scene graph with another camera, which will render the scene into the 
texture. So something like this:

Code:

  mainCamera
  |             |
yourCam(FBO) -> osgPPU
  |
scene



Maybe you can try this.

Cheers,
art

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=21160#21160





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