You can set env var OSG_GL_ERROR_CHECKING to ON to get same behavior.
Cheers

24.01.2012, 19:04, "Martin Haffner" <[email protected]>:
> Hi,
>
> I am constantly getting this console output when I run my osg application:
>
>>  Warning: detected OpenGL error 'invalid value' at after RenderBin::draw(..)
>
> I wanted to try to find the source for this error by calling 
> osg::State::setCheckForGLErrors(osg:State::ONCE_PER_ATTRIBUTE);
> but unfortunately I have no idea how to get such a State pointer.
> I have a graph and of course I can fetch a StateSet from every node. But how 
> do I get a State object?
>
> Thank you!
>
> Cheers,
> Martin
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=44993#44993
>
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