🚀 go-pugleaf

Interesting.  Assuming that we can interpret this as suggesting that
quincunx is the only multisampling mode, I wonder if the board will
have the two traditional 2x and 4x supersampling modes as well.  Like
I said, I guess we'll know in about two weeks.

On Mon, 05 Mar 2001 03:45:48 GMT, "Matt" <none@nothanks.com> wrote:

>Here is what I saw at Sharkyextreme:
>"Using a new technique dubbed HRAA, NVIDIA claims that they can achieve
>better performance than super-sampling with comparable quality. A
>"reconstruction filter" uses data from neighboring pixels to compute the
>final output of any given pixel. The sampling pattern used by the
>reconstruction filter is called Quincunx and, according to NVIDA, offers
>quality rivaling traditional four-sample super-sampling while incurring the
>performance hit of two-sample super-sampling."
>http://www.sharkyextreme.com/hardware/articles/nvidia_geforce3_preview/6.sht
>ml
>
>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 increases the total
>amount of work, and therefore slows down the frame rate marginally, but it
>delivers much higher quality as
>a reward. This new sampling pattern is called Quincunx, after the name of
>the pattern of the five dots on
>the "5" sided of a 6-sided die."
>http://www.nvidia.com/Pages.nsf/Lookup/HRAA/$file/HRAA.pdf
>
>"david woolfe" <dwoolfe@home.com> wrote in message
>news:3aa30361.27887413@news...
>> Well, this article strongly implies that all GF3 FSAA will use
>> multisampling, with three options: 2x, 4x, and "quincunx."  But then,
>> even after editing, this guy writes like crap, so your guess is as
>> good as mine.
>>
>> http://WWW.TOMSHARDWARE.COM/graphic/01q1/010227/geforce3-26.html
>>
>> Over at Anands, here is another statement not quite definitve but
>> implies that it uses multisampling for all AA:
>>
>> "The combination of the GeForce3's hardware based multisampling HRAA
>> and its use of Quincunx patterns results in quality identical to what
>> you would expect from a conventional 4-sample FSAA solution yet with
>> the performance hit of what you would expect from a 2-sample FSAA
>> solution."
>>
>> By referring to the "combination" of multisampling and quincunx he
>> suggests that they are not synonymous, i.e. that quincunx is a further
>> innovation on top of multisampling.  Guess we'll know when the board
>> is released.
>>
>> On Sun, 04 Mar 2001 05:25:16 GMT, "fREoN" <none@nothanks.com> wrote:
>>
>> >"david woolfe" <dwoolfe@home.com> wrote in message
>> >news:3aa15318.10067520@news...
>> >> On Fri, 2 Mar 2001 19:39:50 -0500, tnaw <tnaw@MailAndNews.com> wrote:
>> >>
>> >> >The antialiasing performance, both Quincunx AA and
>> >> >supersampling AA, is the most shining point of GeForce3.
>> >>
>> >> I don't mean to be a nitpicker, but GF3 uses multisampling, not
>> >> supersampling.
>> >
>> >Isnt Quincunx the multisampling AA (supersample + multisample actually)
>and
>> >the rest of the modes are still the same supersampling method they use
>now?
>> >
>> >
>> >
>>
>
>