Re: advice on using Performer

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Andy Shein (ashein++at++orac.boston.sgi.com)
Fri, 12 Sep 1997 08:55:29 -0700


On Sep 12, 10:31am, David Weller wrote:
> Subject: Re: advice on using Performer
> > How about taking a look at Dave Luebke's portal culling
> > instead of the BSP.
> >
> > http://www.cs.unc.edu/~luebke/visibility.html
> >
> > I have used it for a ship walkthru and it works great.
> > I have a version that uses OpenGL instead of IRIS gl
> > which you may wnat to use on an Octane.
> > Andy
> >
>
> Oh, great. Now we muddy up the Performer vs. OpenGL Optimizer issue
> even more :-)

   Who said anything about OpenGL Optimizer ?

>
> Honestly, I wish both the Performer and OpenGL Optimizer FAQs would
> have a discussion about which is more appropriate for a given app.
> I'm much more inclined to use OpenGL Optimizer for walkthrus, but
> since OGLO is so new, I don't see as much model support as I do for
> Performer (I can only determine there's a loader for Wavefront/Alias
> .obj format and the .iv format, any others?).
   Optimizer has loaders for pfb, csb and iv. You could
always write one for obj :)

>
> There doesn't seem to be much "Cross-feed" between the Performer and
> OGLO camps other than "Yeah, we know about that other group".

   Actually they talk a lot and are in the same hallway.
I spent part of my summer writeing a csb loader for
Performer, so you could use Optimizer to create models to
be loaded into Perfomer. It should be out w/ Perf 2.2

                        Andy

>
> Perhaps Mike Jones, or somebody from the OGLO camp, would be kind
> enough to clear up this matter?
>-- End of excerpt from David Weller

-- 
Andrew Shein   SE Stout               email: ashein++at++boston.sgi.com
Silicon Graphics Inc.                 phone: (508) 562 - 4800
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