Probably based on what the actual monitor resolutions are and not just the raw multi monitor result as you can create an almost endless variation of those when you start matching the resolution position based on the physical location of the monitors.
E.g in a setup like this even if both would be 1920x1080, you'd end up with something random like 3840 x 1428.
Probably based on what the actual monitor resolutions are and not just the raw multi monitor result as you can create an almost endless variation of those when you start matching the resolution position based on the physical location of the monitors.
E.g in a setup like this even if both would be 1920x1080, you'd end up with something random like 3840 x 1428.