Re: glClipPlane in Performer.

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Angus Dorbie (dorbie++at++multipass.engr.sgi.com)
Tue, 23 Sep 1997 15:22:25 -0700

On Sep 23, 4:43pm, Steve Baker wrote:
> Subject: Re: glClipPlane in Performer.
> On Tue, 23 Sep 1997, Angus Dorbie wrote:
>
> 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.
>

This fast-track term is misleading. It simply costs you more time,
typically proportionate to the computation. Sure single distant
light with no specular material good meshing and localviewer
lighting model off, single sided lighting and no backface culling
is fastest for geometry, start enabling stuff and performance
degrades but it won't drop off a cliff anywhere.

Cheers,Angus.

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