Steve Baker (sbaker++at++link.com)
Tue, 23 Sep 1997 16:43:01 -0500 (CDT)
> On Sep 23, 10:38am, Steve Baker wrote:
> > Subject: glClipPlane in Performer.
> >
> > A few questions:
> >
> > * Has anybody out there used the extra glClipPlane's within a Performer Application?
> I've used six simultaneously in a performer based GL application.
> > * I don't see any Performer features to enable them - did I miss something?
> Nope, use the GL.
> > * Does anyone have a feel for the performance impact on an Inf.Reality box?
> Nope, I expect a modest geometry overhead.
> > * Is it one of those features that puts me off the optimised pathways through OpenGL
> > and thus *kills* performance - or is it just the overhead of the additional clipping?
> Just the clipping.
> Did you have any features in mind when you say this? I'm not aware of
> this kind of thing on iR.
I understood that using more than one light source (for example) tossed you
off the fast-track into some much slower path - that may be old news though.
Steve Baker 817-619-8776 (Vox/Vox-Mail)
Hughes Training Inc. 817-619-4028 (Fax)
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