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Inconsistent Flicker-free Dimming Behavior #2543
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@Velgus hello, G-Helper just runs How does this work if you would repeat same steps using AC ?
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@Velgus hello, any updates here? Did you try same thing in AC ? |
Sorry, I'll get back to you soon. |
Okay, so after testing, the main issue is more to do with the settings UI being confusing, than a bug with switching the flicker-free dimming. The issue exists in AC as well, but if you want, you could make a slight adjustment to make it a bit clearer for G-Helper users. Basically, flicker-free dimming only works with with "Gamut: Native" mode. If you are in any other mode, adjusting flicker-free dimming switches to "Gamut: Native" mode and adjusts the dimming. However, the UI doesn't update (in G-Helper or AC), so it will still say it is in another mode (eg. "Gamut: DCIP3" or whatever), even though it is not actually using that mode. It could be clarified by simply automatically switching to the "Gamut: Native" mode in the drop-down when you change flicker-free dimming. Honestly, the clearest solution may be just hiding the Flicker-free Dimming slider entirely when in non-"Gamut: Native" modes, as this also makes it clear that it's not being dimmed when in said modes. Two other tangentially related issues:
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@Velgus hello, thanks for checking
That's an interesting find. I don't have G14 2024 anymore to double check tho
I think this can be an option. I'm not a fan of hiding dimming from the UI. As it's also accessible via hotkeys. It's easier to update But I would like to double check if it indeed resets gamut to default (de-facto) from someone else with same device |
Do you know which hotkeys it's supposed to be? The FN+F7/F8 adjusts the regular display brightness, not Flicker-free Dimming. |
@Velgus |
Ah, found it, thanks. It's Ctrl, not Shift though. Shift + FN + F7/F8 is Slash Lighting Brightness. |
@Velgus right :) sorry. I have also added this to the readme. |
G16 2024 here, and yeah. but I don't know if it's a bug or just the calibration affecting brightness.
I don't know if this is true. I've been using DisplayP3 for as long as I can remember, and the flicker free dimming has worked just fine. I can also guarantee it's not switching to native, as switching between DisplayP3 and Native while at 50% does yield a noticeable difference. |
@lgarlati ok, so dimming does not reset (actual) gamut on your device ? |
@seerge This is even weirder than I thought. I ran the following test with each other three color modes, but DCIP3 was the most obvious: Some notes at each step:
Not sure what to make of this, but it seems that dimming is messing with the gamuts themselves. |
@Velgus @lgarlati great, thanks for explanation of your observations :) Dimming is definitely "messing" with gamuts. And it is supposed to be so. What dimming effectively does - it compresses dynamic range of the actual image, by just reducing it's brightness. Given that it seem to return back to original state when you return brightness, I think it doesn't make sense to change anything in app UI. And just keep currently selected gamut as it was before (also to be consistent with how AC shows this) |
Rules
What's wrong?
Visual Modes seem to have inconsistent application combined with Flicker-free Dimming. For example, if switching from one mode to another with Flicker-free Dimming at 50%, it will be substantially brighter, but then if you click 50% in Flicker-free dimming, it will be appropriately dimmed.
This also happens when opening the Windows "System > Display" settings menu.
This doesn't seem to apply to all modes, but I found one where I could reproduce it consistently (see "How to reproduce the bug").
How to reproduce the bug?
Logs
log.txt
Device and Model
Asus Zephyrus G14 GA403
Additional information.
I looked for the "Automatically manage color for apps" setting, in case it was interfering, but that setting doesn't exist on my model.
Note that the incorrect/brighter colors upon switching modes are not the same as a higher Flicker-free Dimming setting. For example, if I made the bug take effect at 50%, then set the Flicker-free Dimming slider to 100%, it would be a very different color.
It seems like maybe the Flicker-free Dimming is based off the "Gamut: Native" mode, but if that's the case, maybe it should automatically re-select that Visual Mode when changing Flicker-free Dimming, to avoid confusion.
As an aside, the bottom 20% of the Flicker-free Dimming slider have no affect whatsoever on my model (no changes between 20% and 0%).
Armoury Crate
Uninstalled
Asus Services
None
Version
0.170
OS
Windows 11 23H2
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