Apparently there is a new anti-aliasing technique known as FXAA (Fast Approximate Anti-Aliasing) that is available in Duke Nukem Forever and FEAR 3. Looks interesting, however, it only works with NVIDIA graphics cards.

Excerpt from article:
"FXAA is a shader based image filter that is done in post process (along with other items like motion blur/bloom/etc). It is 100% compatible with deferred rendering engines, and also can have a lower memory footprint and a performance advantage. The way that FXAA is implemented can vary from developer to developer and is an ingame option feature as opposed to an NVIDIA control panel option."

http://www.evga.com/forums/tm.aspx?m=1082473

looks interesting, I will look at it and possibly implement this.

engine already has something similar : edge softening high (this is also image based post process anti aliasing)

Cool! Yeah, it does seem similar.

According to a post on that thread, AMD's equivalent to FXAA is MLAA (Morphological Anti-Aliasing).

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But now that I look at it more, MLAA is just a graphics card setting so it's not anything you would need to implement (unless there's a way to force it for users that don't have it currently enabled).

This site keeps up with these kinda GPU techniques too: http://www.geeks3d.com/20110622/fxaa-3-v...-released/

Nice link, Chris. That will also work with Radeon cards.

Esenthel: Just wanted to say thanks for adding this! Only took a week and a half to get it into the engine, super fast!

Have you done any performance testing? Notice any difference in quality vs speed (in terms of FPS) when tested against MLAA?

MLAA is sometimes slower and sometimes faster (depends on the scene I guess)
I've noticed that mlaa has slightly better quality

Interesting results. Thanks for the input.

The FXAA thread has been updated by the author -- this time for Deus Ex: Human Revolution. The results are pretty outstanding.