[keston]

Can anyone tell me how to turn on FSAA (Full Screen Anti-Aliasing) in Mac UT 2003? I've searched the net and many forums, and though many places mention performance with it on, or off... none that i have come across provide instruction on changing this setting.

TIA

[keston]

Nevermind... I found it myself eventually on XLR8Yourmac's website.

FSAA Tips for UT2003

(from a reader's forum post)

" Here's the skinny from Ryan, on my DP 1Ghz w/Radeon9000Pro FSAA has very little impact on fps.

quote:
In your .ini file, in the "[OpenGLDrv.OpenGLRenderDevice]" section:

; Number of buffers for multisampling. 0 to disable FSAA . OSX (and the GL_ARB_multisample extension) only support 1 buffer, currently.
MultisampleBuffers=1

; Number of samples per pixel fragment. 0 to disable FSAA . "2" or "4" are probably good choices.
MultisampleSamples=4
; This only applies to GeForce 3 and GeForce 4 cards, apparently. Changes the anti-aliasing algorithm that is used. 1 is "fastest smoothing", 2 is "nicest smoothing", 0 is "don't care" (which is the same as "2" by default, but if there was a control panel or environment variable, it might be able to override the "don't care" setting).
MultisampleHint=1

And that's it. If you set up MultisampleBuffers and MultisampleSamples, you can tweak in-game from the console:

Turn FSAA completely off:
" fsaa disable"
Turn FSAA back on (it must have been enabled at startup via the .ini!):
" fsaa enable"

Tweak multisampling hint:
"fsaahint fastest"
"fsaahint nicest"
"fsaahint dont_care" FSAA is done with the OpenGL extension "GL_ARB_multisample" and the MultisampleHint thing uses "GL_NV_multisample_filter_hint". The Hint only works on GF3 or better cards (no ATI support, sorry), but basic FSAA works on damned near anything (the list from Apple is: "Radeon, Radeon Mobility, Radeon 7500 Mobility, Radeon 8500, Radeon 9000 Pro, GeForce 3, GeForce 4Ti").
You really don't need MultisampleHint unless you're a real tweaker... FSAA still looks more or less like you'd expect it to on any video card...hinting allows for more smoothing, but honestly, I think it makes it too blurry with the "nicest" hint, and kinda dig the "fastest" mode. I didn't see a big different in framerate on a GF4 between no FSAA at all and "nicest" mode, but Your Mileage May Vary...it's very likely that older cards might be doing this in software, and thus will have a serious framerate hit."



Without multisample FSAA, then the max FSAA mode is 1024x768 as far as I know. (Noted in my previous article/tests of the OEM Mac 9700 pro - which supports multisample FSAA but drivers only had supersampling FSAA support at that time 10.2.4 era w/early drivers - guess it's still not been added?). At that time the specs I was given (in table on front page of article) from ATI noted multisample (2x/4x/6x) FSAA support only for the 9700 (and later) - the specs listed supersample (2x/4x) support only on the 9000 pro and 8500. If this info is still accurate, that means no multisample support in 9000/8500s and FSAA limited to 1024x768 model or lower rez.