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Old 18 July 2019, 14:22   #1
hexaae
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Smoother mouse movement under WinUAE

Something I wanted to ask from a very long time...

@Toni
Is it possible to make the mouse movement smoother under WinUAE?
It looks quite jerky at Workbench (1080p@60Hz 32bit BGRA), especially in Picasso EMU. Is it normal? Games run perfectly smooth with G-Sync at 50Hz/FPS on my sys (see signature) but mouse at WB is always jerky... mmh
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Old 18 July 2019, 15:53   #2
Toni Wilen
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Perhaps it only looks jerky if you normally use high refresh rate displays? There is huge difference between 60hz and 100hz (for example) mouse movement, especially with high DPI mouse.

Check that both chipset and RTG mode use same refresh rate because mouse movement is read in vblank interrupt which uses chipset refresh rate.
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Old 22 July 2019, 17:42   #3
hexaae
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Mmmh… G-Sync won't help (NVidia GeForce Experience FPS counter says 60fps at WB)?
It looks quite laggy… MUCH more then Windows mouse over a 60Hz/fps screen as I tested in some Windows games.

I use PAL + Picasso EMU with a 60Hz WB. Here is my cfg: https://1drv.ms/t/s!ApMUGr0cuN39gcA4...JE9bA?e=ElmDBH
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Old 22 July 2019, 19:17   #4
Toni Wilen
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Test if both Game Ports panel "Windows mouse" and <name of your mouse> have same behavior.

Make also sure triple buffering is not enabled.
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Old 22 July 2019, 19:35   #5
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There are too many factors, and sometimes the factors (concepts) are not clear. If you can film the screen with your phone when it happens, it would give some clues.

I would try Toni's suggestions, and run WinUAE in fullscreen mode with G-Sync off and V-Sync on. It's also necessary to confirm from the log that WinUAE is V-syncing and check that your computer can output enough FPS. Turn on the built in FPS checker and/or compare with FRAPS or similar tool.

Because G-Sync alters the refresh rate of the monitor, it's an extra factor that can complicate matters. It's made specifically for heavy games with uneven refresh rates.
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Old 23 July 2019, 10:51   #6
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Here is a video of my WB: https://www.twitch.tv/videos/453220699## (games won't look smooth because video was grabbed at 60fps and they run at 50fps/Hz thanks to G-Sync)
The mouse at WB is just a bit "jumpy" compared to smoothness of Windows mouse movements.

Setting Windows Mouse mode it changes acceleration and speed but don't make it smoother…

P.S.
… Maybe it's perfectly normal for an Amiga WB 3.9+ and I'm just paranoid/I can't remember how it was on my real A1200 + Blizzard 1260 at that time
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Old 25 July 2019, 01:11   #7
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It looks like you just have a normal modern 800+ CPI mouse. Have you set the factor in WB/Prefs? I have to set mine to lowest AND drag down Control Panel a step or two (and disable acceleration) when I use WinUAE, or it jumps everywhere just like this.

(This is with Windows Mouse selected in WinUAE.)

I don't think this is to do with sync, unless you can see something like 999 FPS in WinUAE.
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Old 25 July 2019, 06:52   #8
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Does the AGA chipset allow to use 35ns sprite positions independent of the screen resolution?
That would effectively allow for sub pixel resolution mouse cursor movement, in particular with high dpi mice. The other question would be if workbench actually makes use of it?
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