7900 GTX Anti-Aliasing Investigated

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SonicIce

Diamond Member
Apr 12, 2004
4,771
0
76
I'll critique. Could have found a better location for screenies maybe, it's just a little dark and monotone. It does have nice high contrast edjes in some places tho. And use smaller than 1920x1440 (its huge, why do u need so big for AA tests? 1024x768 could have been plenty). If you used smaller res you could opt for png compression for some lossless action instead of jpeg. I agree that even after I test so many AA modes, I always conclude 4x multisampling is the best quality/performance balance.
 

BFG10K

Lifer
Aug 14, 2000
22,709
2,995
126
why do u need so big for AA tests?
The smaller the image the more it masks jaggies especially when viewed at a resolution greater than itself.

The best AA test is an unscaled screenshot that is larger than the resolution you're viewing it at.
 

SonicIce

Diamond Member
Apr 12, 2004
4,771
0
76
Originally posted by: BFG10K
why do u need so big for AA tests?
The smaller the image the more it masks jaggies especially when viewed at a resolution greater than itself.

The best AA test is an unscaled screenshot that is larger than the resolution you're viewing it at.

How does it mask the jaggies? I think they can still be present just as much no matter what the image size. I mean the whole purpose is to scrutinize AA modes and when you do that you just look at a small part of the image at a time.

Yeah, scaling is bad. Why must it be larger, though?
 

BFG10K

Lifer
Aug 14, 2000
22,709
2,995
126
How does it mask the jaggies?
Screenshots don't interpolate like 3D images so the less pixels you have the less detail the image contains. In this case the detail is the jagged edges.

Why must it be larger, though?
If the pixels on your display are larger than the original pixels used in the screenshot it amplifies any issues. Making the screenshot smaller has the opposite effect.

Tell me, if the screenshot was postage stamp size how many jaggies do you think you could see?
 
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