Anti Aliasing Treshold

bogy · Mar 22, 2005, 11:33 PM

I got a question about the FSAA settings in the control panel.

What exactly is the TRESHOLD option for?

you can see in this screenie what i'm talking about

Zelig · Mar 23, 2005, 12:54 AM

The threshold option is used in combination when temporal anti-aliasing is enabled. When TAA is enabled, low frames rates can cause flickering. When frame rates fall below the specified threshold, your card will revert to regular AA, thus sacrificing some AA quality but eliminating flickering.

redsolar · Mar 23, 2005, 07:04 PM

I also think it's currently not quite working right as of right now. At least I saw quite a few threads reporting problems with threshold not kicking in when expected or at all.

JimmyT · Mar 25, 2005, 11:31 PM

So if threshold is 32, when your game has 33 fps you have TAA and when it drops to 31fps or less it switches to normal AA?

I thought it was doing something else:
I thought that when you get 33fps or more, normal AA was enabled, and below threshold AA was being disabled (so that you would always have a decent framerate).

griswoold · Mar 26, 2005, 12:34 AM

Quote:

Originally Posted by JimmyT

So if threshold is 32, when your game has 33 fps you have TAA and when it drops to 31fps or less it switches to normal AA?

yes that's right

Mar 22, 2005, 11:33 PM	#1
bogy DriverHeaven Newbie Join Date: Sep 2003 Posts: 1 Rep Power: 0	Anti Aliasing Treshold I got a question about the FSAA settings in the control panel. What exactly is the TRESHOLD option for? you can see in this screenie what i'm talking about

Mar 23, 2005, 12:54 AM	#2
Zelig HardwareHeaven Extreme Member Join Date: Jun 2003 Location: Canada Posts: 3,187 Rep Power: 69 System Specs	The threshold option is used in combination when temporal anti-aliasing is enabled. When TAA is enabled, low frames rates can cause flickering. When frame rates fall below the specified threshold, your card will revert to regular AA, thus sacrificing some AA quality but eliminating flickering. __________________ --

Mar 23, 2005, 07:04 PM	#3
redsolar Off duty Join Date: Jul 2003 Location: Las Vegas, USA Posts: 1,242 Rep Power: 0 System Specs	I also think it's currently not quite working right as of right now. At least I saw quite a few threads reporting problems with threshold not kicking in when expected or at all. __________________ Real_Men_Do_Not_Use_Space_Bar Main rig: Intel Core i7 930 @ 4.0 Ghz \| Corsair H50 Push/Pull \| 12GB OCZ DDR3 \| ASUS Radeon HD 5850 \| 3x 1TB Samsung F3 RAID5 on Dell PERC 5i SAS + 1TB Hitachi \| MSI X58 Pro-e \| 850W Antec Truepower Quattro \| RocketFish by Lian Li Full Tower Case \| Gateway XHD3000 30" LCD \| Dell 2408WFP 24" LCD \| Dell 2407WFP 24" LCD \| Logitech Z-5500 Speakers \| Windows 7 Ultimate x64 Laptop: Samsung x360-34P \| Core 2 Duo SU9400 1.4 GHz \| 4GB DDR3 \| 128GB Samsung SSD \| Intel 4500M w/ HDMI \| WiFi \| Bluetooth \| 13.3" WLED 1280x800 \| Windows 7 Professional x64

Mar 25, 2005, 11:31 PM	#4
JimmyT DriverHeaven Junior Member Join Date: Apr 2004 Posts: 44 Rep Power: 0	So if threshold is 32, when your game has 33 fps you have TAA and when it drops to 31fps or less it switches to normal AA? I thought it was doing something else: I thought that when you get 33fps or more, normal AA was enabled, and below threshold AA was being disabled (so that you would always have a decent framerate).