https://bugs.kde.org/show_bug.cgi?id=502931
Bug ID: 502931
Summary: Switch layer visibility performance
Classification: Applications
Product: krita
Version: 5.2.9
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Dockers
Assignee: krita-bugs-n...@kde.org
Reporter: thequ...@gmail.com
Target Milestone: ---
SUMMARY
When painting with bigger resolutions and rapidly switching visibility of
layers in the layers docker, the process becomes very clunky and slow because
"Update layer thumbnails" progress bar appears and prevents painting and
interaction with program until it is completed.
STEPS TO REPRODUCE
Make canvas size big enough for your system to be slowed (4-6k is enough for
me), add multiple layers, paint and switch layers visibility fast. I guess with
bigger canvas resolution/stroke size the effect grows too.
OBSERVED RESULT
After every stroke and visibility switch, program hangs from milliseconds to
seconds until "Update layer thumbnails" thing completes.
EXPECTED RESULT
Those microstutters are super annoying. I set thumbnail size on minimal but
this changes nothing. I'd like this process to be running in parallel with
painting, or at least an option to disable layer thumbnails completely
SOFTWARE/OS VERSIONS
Windows: 11
Krita build git ac6cae8
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