Re: glClipPlane in Performer.

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Angus Dorbie (dorbie++at++multipass.engr.sgi.com)
Tue, 23 Sep 1997 11:58:54 -0700

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.

Cheers,Angus.
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