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You can get perfectly round dials and perfectly square squares when using 1920x1200 in the game config. I just don't get why you would rather be running games with black bars on top and bottom when you could have more visible area instead. But hey, if you are not gonna use your hardware to it's fullest, it's your decision.
I have never disagreed with this statement for ROF or any widescreen game. In fact, I have said that over and over that I get no distortion when using my 1920 x 1200 (16:10) monitor for such games.
The issue, as I have tried to point out in numerous ways, is that any game that cannot be set to a 16:10 resolution ratio will not have round circles and perfect squares on my monitor unless I use the aspect ration option in the GPU---which in turn creates letter boxing.
The simple geometry of this concept seems quite obvious to me.
This setting works for any game that is not widescreen capable. I have over ten such games on my rig that I play regularily--EAW, SH 3, Shogun 1, Mafia, and Starlancer--to name a few. For newer games that are wide screen, I set them to a 16:10 ratio resolution in game. The aspect choice in my control panel sorts these out perfectly. All my games are distortion free--new or old.
I don't play ROF in anything but 1920 x 1200. I just posted those pictures to illustrate that using 16:9 or 1920x1080 results in a distorted picture unless I use the aspect option which in turn creates bars on a 16:10 monitor. It's not that I particularily want letter boxing, it just a necessary set up to avoid distortion when the native aspect ration of a game is not the same as my monitor.
I have no idea if using this option causes any perfomance limitations, but this is not an issue for older games on my gaming rig.
On newer games which are not re-scaled, I have tried both options and saw no noticible performance differences.
Cheers