Re: Scene Density Requirements

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Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Thu, 16 Jan 1997 18:43:42 +0000

On Jan 16, 9:00am, Timothy Moore wrote:
> Subject: Re: Scene Density Requirements
> From: "Angus Dorbie" <dorbie++at++bitch.reading.sgi.com>
> Date: Thu, 16 Jan 1997 12:56:09 +0000
>
> On Jan 15, 3:00pm, Timothy Moore wrote:
>
> >
> > Can you compile up an essentially unlimited amount of geometry into
> > display lists and rely on OpenGL to page the list into display list
> > cache at the appropriate time?
>
> On iR it'd either cache on the GE board or DMA from memory both are
> potential wins.
> You also have control over which display lists reside on the GE board
> and which reside in memory using display list priority control.
>
> How about on RE2? :-) :-) :-)

If you are using display lists with RE2 then the difference is more
marginal unless you have a bad immediate mode drawing code in
which case display lists are an easy method of optimisation.
Performer has good drawing code so compiling lists on RE2 don't
help much on this mailing list.

Cheers,
Angus.
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