Re: The shining point of GeForce3 at present

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#413

From: Hans Bergengren
Date: Tue, 06 Mar 2001 02:09

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"Matt" <none@nothanks.com> wrote:

> To me, this says Quincunx is the HRAA, which is the MSAA.  After seeing
> that, I checked Nvidia's site and downloaded the HRAA brief (PDF).  It
backs
> up the statement made at Shary's by having this:

> "GeForce3 has new technology for graphics hardware antialiasing in the
form
> of multisampling using a new
> sampling pattern. The locations of the sample points for multisampling
> enable the use of a "reconstruction
> filter" that uses data from neighboring pixels to compute the final pixel
> color.

This sounds a lot like plain 'ol video interpolation. IE, you might reduce
jaggies and texture aliasing ("crawling ants") with this method, but it will
not be able to reduce "polygon flicker" (when small details like lamp-posts
far away in a driving game seem to flicker in and out of existence), as only
a true super/multisampling AA will deal with that. ...Provided this Quincunx
method is interpolating rather than supersampling, of course... I'm not sure
about that, but as I said, I would think it probable. Considering the claim
is 4x performance at 2x performance penalties, I would think it's some kind
of interpolation, perhaps using 2x super/multisampling as source material
since that's the kind of performance hit the system takes when enabling
it...

 Bye!
/HB.

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From: "Hans Bergengren" <faar@swipnet.se>
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Subject: Re: The shining point of GeForce3 at present
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