https://bugs.kde.org/show_bug.cgi?id=390463
Bug ID: 390463
Summary: Filter lags in 4.n versions
Product: krita
Version: 4.0.0-beta.1
Platform: Other
OS: MS Windows
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Filters
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
https://forum.kde.org/viewtopic.php?f=281&t=151075
https://www.youtube.com/watch?v=yB94VMhjszU
Krita 4.0 (including beta, nightlies) shows slow performance on overall
filters. And it's especially obvious when applying some filters like 'Color to
Alpha','Gradient Map' to a large image. If the image is larger than around 3k,
4.0 freezes.
*
Krita 3.3.3 does a fine job.
*
The applying process seems to be eventually completed if you wait a long time,
but undoing it causes same freeze if the image is big enough. (Undo works fine
on smaller images)
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