https://bugs.kde.org/show_bug.cgi?id=481572
Bug ID: 481572
Summary: All actions delayed in Krita after opening document
Classification: Applications
Product: krita
Version: git master (please specify the git hash!)
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: * Unknown
Assignee: krita-bugs-n...@kde.org
Reporter: deresi...@protonmail.ch
Target Milestone: ---
Created attachment 165951
--> https://bugs.kde.org/attachment.cgi?id=165951&action=edit
video of opening krita and drawing a line.
SUMMARY
Krita is very slow and laggy. I think it's a problem with my setup, but I don't
know what.
I'm testing on krita 5.3.0-prealpha (git a707e0c), but it happens on krita
5.2.2 as well (i switched to git to see if it was fixed)
The only way I can explain is that making document or opening an existing .kra
is very slow and after it opens, everything is very delayed, from pressing menu
bar buttons to trying to draw a line.
STEPS TO REPRODUCE
1. Open krita
2. try to create a document or open an existing .kra
3. wait a long time
4. try to interact with krita
OBSERVED RESULT
Creating or opening a document takes a long time. Doing anything in krita after
a document is open takes a long time. Resizing the window during this either
doesn't work at all (like it's not responding but the window doesn't gray out)
or black boxes show up like krita isn't updating the screen properly.
EXPECTED RESULT
everything works at normal speed
Operating System: Arch Linux
KDE Plasma Version: 5.93.0
KDE Frameworks Version: 5.249.0
Qt Version: 6.7.0
Kernel Version: 6.8.0-rc4-273-tkg-eevdf (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 3700X 8-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 2070 SUPER/PCIe/SSE2
ADDITIONAL INFORMATION
I've added a video. The video is pretty long with some parts with nothing
happening because I'm waiting for the document to load so I move the cursor
constantly to show that the video is still going.
Towards the end of the video when I move the cursor back and forth at the
bottom, after creating the file, I've drawn a line on the canvas and I'm
waiting for it to show up on screen.
This is the console output
> krita
> Invalid profile : "/usr/share/color/icc/colord/Crayons.icc"
> Invalid profile : "/usr/share/color/icc/colord/x11-colors.icc"
> krita.lib.pigment: Replacing color space factory "LABA" "L*a*b* (16-bit
> integer/channel, unmanaged)" with "LABA" "L*a*b*/Alpha (16-bit
> integer/channel)"
> krita.lib.pigment: Replacing color space factory "RGBA" "RGB (8-bit
> integer/channel, unmanaged)" with "RGBA" "RGB/Alpha (8-bit integer/channel)"
> krita.lib.pigment: Replacing color space factory "RGBA16" "RGB (16-bit
> integer/channel, unmanaged)" with "RGBA16" "RGB/Alpha (16-bit
> integer/channel)"
> QObject::startTimer: Timers cannot have negative intervals
> /usr/lib/krita-python-libs/krita added to PYTHONPATH
> QPainter::begin: Paint device returned engine == 0, type: 3
> QPainter::setCompositionMode: Painter not active
> QPainter::begin: Paint device returned engine == 0, type: 3
> QPainter::setCompositionMode: Painter not active
> zsh: terminated krita
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