| Summary: | QtQuick Label items exhibit graphical glitches when Plasma is run in a VM | ||
|---|---|---|---|
| Product: | [Frameworks and Libraries] frameworks-qqc2-desktop-style | Reporter: | roxfr |
| Component: | general | Assignee: | Marco Martin <notmart> |
| Status: | REPORTED --- | ||
| Severity: | normal | CC: | ahiemstra, hubn3rd, kde, nate, noahadvs |
| Priority: | NOR | ||
| Version First Reported In: | 5.94.0 | ||
| Target Milestone: | --- | ||
| Platform: | Arch Linux | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed/Implemented In: | ||
| Sentry Crash Report: | |||
| Attachments: |
Bug displaying header text
Font Konsole+Kinfocenter Manjaro_KDE_21.2.6_01 Manjaro_KDE_21.2.6_02 Glitch_systemsettings_Kinfocenter_Manjaro_KDE_Wayland_5.24.5 Good image with Wayland Virtualbox graphics acceleration QTQuick_with_Material_kinfocenter_OK QTQuick_with_Universal_kinfocenter_OK |
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That's strange. I have a few questions: 1. What font and font size are you using? 2. Does this issue happen for any header text in Discover, or on any System Settings pages? 3. Does the issue happen if you open Info Center directly, rather than from System Settings? 1. What font and font size are you using? => See the first photo attached. 2. Does this issue happen for any header text in Discover, or on any System Settings pages? => Not only for the Info Center. 3. Does the issue happen if you open Info Center directly, rather than from System Settings? => See the second photo attached. Regards, Roxfr Created attachment 148897 [details]
Font
Font
Created attachment 148898 [details]
Konsole+Kinfocenter
Konsole+Kinfocenter
Thanks. Some more questions: 1. Does this issue happen for any header text in Discover? 2. Does it still happen if you use the Breeze Application Style, instead of whatever you're currently using (Looks like Lightly or Kvantum)? Hello, I tested with another distro KDE in virtualbox. I have the same problem with the police but elsewhere. Maybe it comes from virtualbox? It would be necessary to have a return with a KDE linux installed hard on the machine. Regards, Roxfr PS: See attached images. Created attachment 148922 [details]
Manjaro_KDE_21.2.6_01
Manjaro_KDE_21.2.6_01
Created attachment 148923 [details]
Manjaro_KDE_21.2.6_02
Manjaro_KDE_21.2.6_02
OK, so you're seeing bizarre text glitches in Label items everywhere. Seems like a GPU rendering incompatibility. Can you try using the Plasma Wayland session in your VM and seeing if the glitches disappear, or if they still manifest? I updated the distro and switched to the Wayland display server. The bug (glitch) is still present. Regards, Roxfr PS : See image attached. Created attachment 148964 [details]
Glitch_systemsettings_Kinfocenter_Manjaro_KDE_Wayland_5.24.5
Glitch_systemsettings_Kinfocenter_Manjaro_KDE_Wayland_5.24.5
Created attachment 148965 [details]
Good image with Wayland
Good image with Wayland
Okay that's good ! You can close the topic. It comes from virtualbox when you check graphics acceleration. Regards, Roxfr PS: See image attached. Created attachment 148966 [details]
Virtualbox graphics acceleration
Virtualbox graphics acceleration
> It comes from virtualbox when you check graphics acceleration.
Thanks for finding the triggering condition! It sounds like there is an issue with QtQuick itself or our styling of it with certain graphical settings. Can you reproduce the bug when you turn on graphics acceleration in Virtualbox and launch Info Center with the Universal or Material styles? You can try that out like so:
`QT_QUICK_CONTROLS_STYLE=Universal kinfocenter`
`QT_QUICK_CONTROLS_STYLE=Material kinfocenter`
That'll tell us if the issue is in our styling, or in Qt itself.
Ok, no more problem using either of the two commands. See attached images. Created attachment 148971 [details]
QTQuick_with_Material_kinfocenter_OK
QTQuick_with_Material_kinfocenter_OK
Created attachment 148972 [details]
QTQuick_with_Universal_kinfocenter_OK
QTQuick_with_Universal_kinfocenter_OK
Thank you very much. So this seems like a problem in our style. Moving to qqc2-desktop-style. |
Created attachment 148888 [details] Bug displaying header text Hello, I have a bug displaying header text in Info Center via systemsettings. More info below: VirtualBox 6.1.34r150636 (Qt5.6.2) Operating System: EndeavourOS KDE Plasma version: 5.24.5 KDE Frameworks Version: 5.94.0 Qt version: 5.15.4 Kernel version: 5.17.7-arch1-1 (64-bit) Graphics Platform: X11 Processors: 6 × AMD Ryzen 5 3600 6-Core Processor Memory: 7.8 GiB RAM GPU: SVGA3D; build: RELEASE; LLVM; Regards, Roxfr