[Interest] Windows-64 specific QML UI flickering
Rui Oliveira
ruilvo at hotmail.com
Mon May 10 14:20:29 CEST 2021
Hey!
I think I reported a similar thing in
https://bugreports.qt.io/browse/QTBUG-93084
Is this like your problem?
It doesn't happen with Software or OpenGL rendering.
Às 13:12 de 10/05/2021, Benjamin TERRIER escreveu:
>
>
> On Thu, 6 May 2021 at 02:21, Jason H <jhihn at gmx.com
> <mailto:jhihn at gmx.com>> wrote:
>
> I use mainly Mac and Android and I don't see these issues, however
> the Windows 64 experience is very crunchy. I was asked to make a
> simple serial port monitor. I developed on my mac. It's solid.
> It's got QML UI using Rows, Columns, Text, TextEdits (Controls
> v2), and a ComboBox (Controls v2) for selecting the serial port.
>
> However, I've tried it on 2 HP laptops:
> - The first shows triangular artifacts, like a GL triangle is
> glitching, but the triangle is very acute, and fleeting.
>
> - The other one doesn't glitch with the triangle, it redraws the
> background then draws on top of it (as it should). But here's the
> crazy thing, it's got a rhythm like a heart beat like
> .....|.|;.....|.|; where the | indicate the text fields
> disappearing, reappearing. (so in one cycle the controls flicker
> twice with a short pause between them, and. along pose separating
> them) One cycle is on the order of about 2 seconds.
>
> Nothing in the UI falls into this pattern. The serial port stuff
> is async.
>
> How do I fix this?
>
>
>
> Does it look like this: https://bugreports.qt.io/browse/QTBUG-49866
> <https://bugreports.qt.io/browse/QTBUG-49866>
> I was never able to fix it, but it only affected a Intel CPU that we
> only had in a couple of development PCs.
>
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