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bilinear vs trilinear filtering is there a difference?

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Steg

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Sep 23, 2000, 3:00:00 AM9/23/00
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pcgamer always has info on this stuff

On Sun, 24 Sep 2000 04:44:23 +1100, "Timothy Larrea"
<shado...@dingoblue.net.au> wrote:

>I can't see any visual difference between bilinear and trilinear. In Q3, i
>get +5fps for using bilinear. Can someone tell me the visual differences
>between the 2 types, or point me to a site where there are screen shot
>comparisons of the 2 methods. Thanks,
>
>Tim.
>

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Robo

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Sep 23, 2000, 3:00:00 AM9/23/00
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Timothy Larrea <shado...@dingoblue.net.au> wrote in message
news:39ccec22$0$26537$7f31...@news01.syd.optusnet.com.au...

> I can't see any visual difference between bilinear and trilinear. In Q3,
i
> get +5fps for using bilinear. Can someone tell me the visual differences
> between the 2 types, or point me to a site where there are screen shot
> comparisons of the 2 methods. Thanks,


trilinear filtering increases the filtering quality on textures that are in
the "z" plane. In other words, stuff that is angled "away" from you will be
filtered with a higher quiality.

Remember, we're trying to do a 3d game in 2d. We make this happen in large
part, with texturing.

Now, as for the visual difference, it is VERY VERY minor in most cases. It
helps a bit in some situations. However, if you don't know what you're
looking for, you probably won't notice it one way or another.

Timothy Larrea

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Sep 23, 2000, 1:44:23 PM9/23/00
to
I can't see any visual difference between bilinear and trilinear. In Q3, i
get +5fps for using bilinear. Can someone tell me the visual differences
between the 2 types, or point me to a site where there are screen shot
comparisons of the 2 methods. Thanks,

Tim.


Timothy Larrea

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Sep 24, 2000, 1:18:56 AM9/24/00
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sounds like I'm better off taking the extra 5fps and going with bilinear.

"Robo" <be...@oz.net> wrote in message news:8qj04c$c6e$0...@216.39.144.253...


>
> Timothy Larrea <shado...@dingoblue.net.au> wrote in message
> news:39ccec22$0$26537$7f31...@news01.syd.optusnet.com.au...

Robo

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Sep 24, 2000, 12:43:36 AM9/24/00
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to each his/her own. if you need those 5 fps and don't notice a difference,
then go for it!


Timothy Larrea <shado...@dingoblue.net.au> wrote in message

news:39cd8031$0$26528$7f31...@news01.syd.optusnet.com.au...

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