https://bugs.kde.org/show_bug.cgi?id=478080
Bug ID: 478080
Summary: Pixel Artifacts on Rounded Window Corners in KDE
Plasma on Wayland
Classification: Plasma
Product: kwin
Version: 5.90.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: decorations
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 163868
--> https://bugs.kde.org/attachment.cgi?id=163868&action=edit
As you can see the top corners have small artifacts in them, this is especially
easy to see with a white background behind them. The window I have open in the
picture is discord.
In the KDE Plasma environment on Wayland, there appears to be a graphical
glitch where small pixel artifacts are present at the corners of windows, which
are intended to be rounded. The attached image clearly shows these stray pixels
that disrupt the smoothness of the window's rounded corners. This issue seems
to manifest consistently across various applications, indicating a potential
bug in the compositor or the window decorations handling within KDE Plasma's
Wayland session. The applications that I have tested and found this problem
are:
1. Visual Studio Code
2. Discord
This does not appear to happen with KDE Applications.
STEPS TO REPRODUCE
1. Open Discord or Visual Studio Code
2. Drag the window so the top corners have a white background behind them, you
should see artifacts around the rounded edges.
OBSERVED RESULT
Artifacts around window corners.
EXPECTED RESULT
A smooth rounded corner with no artifacts.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 5.90
KDE Frameworks Version: 5.246.0
Qt Version: 6.6.1
ADDITIONAL INFORMATION
Output of glxinfo -B and neofetch are below
```glxinfo -B```:
name of display: :1
display: :1 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: AMD (0x1002)
Device: AMD Radeon RX 6700 XT (navi22, LLVM 16.0.6, DRM 3.54,
6.6.3-arch1-1) (0x73df)
Version: 23.2.1
Accelerated: yes
Video memory: 12288MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 4.6
Max compat profile version: 4.6
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2
Memory info (GL_ATI_meminfo):
VBO free memory - total: 11399 MB, largest block: 11399 MB
VBO free aux. memory - total: 14753 MB, largest block: 14753 MB
Texture free memory - total: 11399 MB, largest block: 11399 MB
Texture free aux. memory - total: 14753 MB, largest block: 14753 MB
Renderbuffer free memory - total: 11399 MB, largest block: 11399 MB
Renderbuffer free aux. memory - total: 14753 MB, largest block: 14753 MB
Memory info (GL_NVX_gpu_memory_info):
Dedicated video memory: 12288 MB
Total available memory: 28289 MB
Currently available dedicated video memory: 11399 MB
OpenGL vendor string: AMD
OpenGL renderer string: AMD Radeon RX 6700 XT (navi22, LLVM 16.0.6, DRM 3.54,
6.6.3-arch1-1)
OpenGL core profile version string: 4.6 (Core Profile) Mesa 23.2.1-arch1.2
OpenGL core profile shading language version string: 4.60
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 4.6 (Compatibility Profile) Mesa 23.2.1-arch1.2
OpenGL shading language version string: 4.60
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 23.2.1-arch1.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
neofetch:
-` dominickator@DomArchPC
.o+` ----------------------
`ooo/ OS: Arch Linux x86_64
`+oooo: Kernel: 6.6.3-arch1-1
`+oooooo: Uptime: 22 hours, 3 mins
-+oooooo+: Packages: 918 (pacman)
`/:-:++oooo+: Shell: bash 5.2.21
`/++++/+++++++: Resolution: 2560x1440
`/++++++++++++++: DE: Plasma 5.90.0
`/+++ooooooooooooo/` WM: kwin
./ooosssso++osssssso+` Theme: Breeze-Dark [GTK2], Breeze
[GTK3]
.oossssso-````/ossssss+` Icons: breeze-dark [GTK2/3]
-osssssso. :ssssssso. Terminal: konsole
:osssssss/ osssso+++. CPU: AMD Ryzen 5 3600 (12) @ 3.600GHz
/ossssssss/ +ssssooo/- GPU: AMD ATI Radeon RX 6700/6700
XT/6750 XT / 6800M/6850M
`/ossssso+/:- -:/+osssso+- Memory: 7223MiB / 32003MiB
`+sso+:-` `.-/+oso:
`++:. `-/+/
.` `/
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