libretro / libretro/parallel-n64
Brightness flickering when using VRR (g-sync)
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- Dominant language
- C
- Stars
- 407
- Forks
- 151
- Avg merge
- 11h 53m
- Merged PRs (30d)
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Description
I've been experiencing brightness flickering which I think may be caused by VRR.
I'm using an AW2521H G-sync native display with a 1050 ti.
Retroarch 1.15.0
Parallel 2.0-rc2 28ef8ff using vulkan and parallel rsp/rdp
I saw a post on Reddit that had a video of what I'm experiencing. The poster mentioned having VRR off in that instance, and enabling vsync fixed the issue for them. From that information, I'm assuming that having VRR enabled could also cause the problem, because I never remember experiencing brightness flickering when using a traditional 60hz display. The flickering varies in intensity and sometimes doesn't seem to happen at all.
I started noticing it recently when playing Ocarina of Time and Majora's Mask, so maybe 20 fps games can trigger it? I've made sure to use exclusive fullscreen to avoid any potential Windowed G-Sync flickering issues.
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Research direction
The report names no source file, test, or entry point. Start by reproducing the flicker with the listed AW2521H display, GTX 1050 Ti, RetroArch 1.15.0, Parallel 2.0-rc2, Vulkan, and 20 fps games; done would require identifying a confirmed scope and a testable fix.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100