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Re: Help Understanding G-Sync Windowed 40fps behavior
Posted: 18 Mar 2025, 12:40
by jorimt
ZTylerDurden wrote: ↑18 Mar 2025, 12:21
Absolutely CRUSHED IT. Faq #5 worked to use nvidia inspector. I got g-sync active now in Dolphin. F------ excellent work.
Nice, guess I should have led with that then.
ZTylerDurden wrote: ↑18 Mar 2025, 12:21
Only thing now is that I get slight flicker at 30fps (60fps games are fine).
That further confirms your monitor model refreshes at 30Hz VRR
(when at a physical 60Hz+) with 30 FPS
(as it doesn't support LFC).
I had an older G-SYNC monitor that had slight flicker at lower framerates due to its lower LFC threshold. This is another reason newer G-SYNC monitors have a higher LFC threshold
(I.E. using 60Hz LFC at 30 FPS instead of 30Hz, etc), as to avoid it.
The first few TN panel G-SYNC models were also prone to the below
(though not sure if it applies to your model, since it was such an early mod):
https://web.archive.org/web/20210414014 ... heres-why/
Re: Help Understanding G-Sync Windowed 40fps behavior
Posted: 19 Mar 2025, 09:23
by vlad54rus
jorimt wrote: ↑18 Mar 2025, 09:31
it seems Dolphin still uses a legacy flip model for windowed mode, at least on my configuration
Dolphin has been using flip model since 2017, it should enter Hardware Composed: Independent Flip as long as nothing interferes with it.
Re: Help Understanding G-Sync Windowed 40fps behavior
Posted: 19 Mar 2025, 10:11
by jorimt
vlad54rus wrote: ↑19 Mar 2025, 09:23
it should enter Hardware Composed: Independent Flip as long as nothing interferes with it.
Right, but as I noted in that same comment, my monitor uses DSC, and MPO is required for Hardware Composed: Independent Flip.
Re: Help Understanding G-Sync Windowed 40fps behavior
Posted: 19 Mar 2025, 10:17
by RealNC
jorimt wrote: ↑19 Mar 2025, 10:11
Right, but as I noted in that same comment, my monitor uses DSC, and MPO is required for Hardware Composed: Independent Flip.
Without MPOs, you should get "Hardware: Independent Flip" though. Unless you have something else showing on top of the window.
Re: Help Understanding G-Sync Windowed 40fps behavior
Posted: 19 Mar 2025, 10:28
by jorimt
RealNC wrote: ↑19 Mar 2025, 10:17
Without MPOs, you should get "Hardware: Independent Flip" though. Unless you have something else showing on top of the window.
In Dolphin borderless mode
(alt + enter), I just checked, and yes, but in it's windowed mode
(as a small window on my actual desktop when focused), no for my specific hardware with DSC enabled on my particular monitor for whatever reason. I have to use the legacy G-SYNC borderless/windowed option in the NVCP for VRR to engage in this case.
Could be app/config-specific. There are too many variables nowadays to be easily sure, and I don't care enough in this instance to troubleshoot the exact reason
(I use the actual consoles with a RetroTINK 4k instead of emulators now anyway).