https://bugs.kde.org/show_bug.cgi?id=388818
Bug ID: 388818
Summary: krita uses CPU even on idle rendering it not usable
Product: krita
Version: 4.0.0-beta.1
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: General
Assignee: krita-bugs-n...@kde.org
Reporter: razvan...@yahoo.com
Target Milestone: ---
System: 16 gb ram, intel i7-4710mq cpu 2.5ghz x 8, geforce gt 750m, ubuntu
17.04
Downloaded krita 4-beta1 (appimage) and immediately saw something was wrong.
The mouse pointer (when hovering over canvas) doesn't follow the motion of the
stylus smoothly. It stalls and jumps over the canvas making painting
impossible.
I've noticed beta1 uses high CPU (around 85-90%) even on idle, something that
doesn't happen in pre-alpha and v3. I tried both opnengl on and off with no
effect. Brush preset doesn't matter.
I've also noticed my terminal is filled with <<falling back on
QIcon::FromTheme: "enhancedpath">> messages and looks to me like this bug isn't
directly related to the brush engine performance, it's more like a CPU usage
leak or something. Hope it helps, I'm really looking forward to v4 stable :)
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