Ok I believe to understand that it's the call to
state->initializeExtensionProcs that induces one unecessary useprogram per
frame... so not a disaster in fact
mp3butcher wrote:
> Hi scrawl
> We'll all right but nevertheless unnecessary bind happens
> the bug seams to come from State.cpp l 616
> The unessesary useprogram doesn't use the lazy state updating system
> but this strange test I doubt to understand the purpose
>
> Code:
>
> if ((_lastAppliedProgramObject!=0) &&
> (previousLastAppliedProgramObject==_lastAppliedProgramObject) &&
> _defineMap.changed)
> {
> //OSG_NOTICE<<"State::apply() Program already applied
> ("<<(previousLastAppliedProgramObject==_lastAppliedProgramObject)<<") and
> _defineMap.changed= "<<_defineMap.changed<<std::endl;
> if (_lastAppliedProgramObject)
> _lastAppliedProgramObject->getProgram()->apply(*this);
> }
>
>
>
>
> scrawl wrote:
> > Hi Julien,
> >
> > I believe I submitted the same change in the past but it was rejected. You
> > may be interested in this topic:
> > http://forum.openscenegraph.org/viewtopic.php?t=15587
> >
> > Robert says that the check is not necessary because " the lazy state
> > updating mechanism in osg::State should avoid calling
> > osg::Program::apply()".
> >
> > Cheers,
> > Jannik
>
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=67899#67899
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