Hi,

this is known behaviour. Currently OSG caters for the common case where the size and attachments of the RTT camera does not change frequently.

There are workarounds. I suggest you search the list archives for "runCameraSetup". You can also check how osgPPU handles resizes.

rgds
jp

On 07/07/11 11:35, Alessandro Terenzi wrote:
Hi, I just tried the prerender example by issuing the --fb parameter
and I get the same problem as described above...so I guess that this
is the expected behaviour even though it is not the effect one could
expect.

So, is there something that must be done in order to use RTT when a
window resizing occurs?

Thanks. Alessandro

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http://forum.openscenegraph.org/viewtopic.php?p=41232#41232





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