> It can be done in software, and has been.
Not for G-SYNC's technique, advantages for emulators:
(1) G-SYNC advantage #1: variable refresh rates.
Refreshes can begin immediately. Instead of using VSYNC ON, you display the frame immediately upon Direct3D Present().
(2) G-SYNC advantage #2: faster frame delivery, no matter what refresh rate
When you're using refresh rates less than G-SYNC's top refresh rates, the frame delivery times are still at full speed. Frame delivery accelerated compared to older monitors of the same refresh rates. e.g. 60Hz on G-SYNC is scanned-out faster than 60Hz on old monitors.
(3) G-SYNC advantage #3: stutter elimination during missed VSYNC's
If you're late and miss a goal time (e.g. taking 16.8ms instead of 16.7ms) the monitor can begin refreshing the frame immediately, without forcing you to wait until the next refresh cycle.
Edited by Blur Busters (10/25/13 09:07 PM)
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