POV-Ray: Newsgroups: povray.general: Feature request: don't recalculate pixels (and possible AA change): Re: Feature request: don't recalculate pixels (and possible AA change)

POV-Ray : Newsgroups : povray.general : Feature request: don't recalculate pixels (and possible AA change) : Re: Feature request: don't recalculate pixels (and possible AA change)		Server Time 5 Aug 2024 16:14:28 EDT (-0400)

From: Xplo Eristotle
Date: 28 Aug 2002 16:35:44
Message: <3d6d3420@news.povray.org>

TinCanMan wrote:
>>huge improvement; every rendering pass after the first one would be
>>twice as fast!
> 
> I think this should only be 33% as fast if I understand it.  For each new
> pass you would calculate 3 new pixels + reuse one old one for every square
> of 4 pixels.   4/3=1.33

Oh, you're right. Bad math on my part. D'oh.

Still, 33% is a pretty significant boost.

-Xplo

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