Difference between MSAA and FSAA

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funkyzoom

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#1 funkyzoom
Member since 2005 • 1534 Posts

Most modern games have support for both MSAA nd FSAA. Could someone please let me know the difference between thewse two anti-alising methods, and whoch of these provides better performance rather than better image quality?

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Darth_Kane

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#2 Darth_Kane
Member since 2006 • 2966 Posts

FSAA better performance. MSAA better quality

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KHAndAnime

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#3 KHAndAnime
Member since 2009 • 17565 Posts

FSAA better performance. MSAA better quality

Darth_Kane
I think it's the other way around actually, doesn't FSAA refer to super sampling?
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the_bi99man

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#4 the_bi99man
Member since 2004 • 11465 Posts

[QUOTE="Darth_Kane"]

FSAA better performance. MSAA better quality

KHAndAnime

I think it's the other way around actually, doesn't FSAA refer to super sampling?

I don't know for sure. I do know that every game I've played that offers MSAA, turning on the MSAA tanks my performance faster than anything else.

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Loegi

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#5 Loegi
Member since 2009 • 1692 Posts
[QUOTE="Darth_Kane"]

FSAA better performance. MSAA better quality

KHAndAnime
I think it's the other way around actually, doesn't FSAA refer to super sampling?

According to wikipedia it does. First time I heard of it though, SSAA is more common. FXAA would fit that description I think though.
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Elann2008

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#6 Elann2008
Member since 2007 • 33028 Posts
Last game I played with FSAA was F.E.A.R. I've been replaying it recently for my horror-shooter fix.
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XaosII

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#7 XaosII
Member since 2003 • 16705 Posts

Most modern games dont have FSAA. It was one of the first techniques for AA developed and one of the most inefficient methods too.

Several moderns games typically have either MSAA or FXAA. MSAA provides better results but is fairly computtional as it renders some parts in a higher resolution and then shrinks it down to your desired resolution. FXAA detects the edges of polygons and then blurs them with pixel shaders. FXAA costs very little performance to provide so-so antialiasing quality.

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funkyzoom

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#8 funkyzoom
Member since 2005 • 1534 Posts

Most modern games dont have FSAA. It was one of the first techniques for AA developed and one of the most inefficient methods too.

Several moderns games typically have either MSAA or FXAA. MSAA provides better results but is fairly computtional as it renders some parts in a higher resolution and then shrinks it down to your desired resolution. FXAA detects the edges of polygons and then blurs them with pixel shaders. FXAA costs very little performance to provide so-so antialiasing quality.

XaosII

Thank you. This is exactly the answer I needed. I got confused between FSAA and FXAA, and thought they were the same.

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kraken2109

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#9 kraken2109
Member since 2009 • 13271 Posts

FXAA and MLAA are post process, ok quality, bit blurry sometimes, affect everything on screen

MSAA is good quality, not blurry but big performance hit compared with MLAA/FXAA

SSAA (supersampling) is best but huge performance hit means nobody uses it.