Re: Scanline Smear...

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Dan Brockway (db++at++ParadigmSim.com)
Thu, 19 Mar 1998 15:23:37 -0600

Angus Dorbie wrote:
>
> Dan Brockway wrote:
> >
> > We at Paradigm use a similar technique in domes with our Non-Linear
> > Distortion Correction module. 60Hz can be maintained. But beware, more
> > than half of the 16.6ms frame will be spent copying the frame buffer to
> > texture memory.
>
> I just wanted to chip in here since times provided without context can
> mislead. The image readback time is entirely dependent on the
> resolution and number of readbacks to texture memory.
>
> Please tell it like it is, without simplification.

My point was mearly to illuminate that a *significant* amount of draw
time must be allocated for readback. And that time must be taken into
account in database simplification.

Dan

-- 
Dan Brockway                          voice: (972) 960-2301
Paradigm Simulation Inc.              fax:   (972) 960-2303
14900 Landmark Blvd., Suite 400       mailto:db++at++ParadigmSim.com
Dallas TX 75240                       http://www.ParadigmSim.com
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