https://bugs.kde.org/show_bug.cgi?id=438547
Bug ID: 438547
Summary: Animation curves - Flatten layer is slow
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Animation
Assignee: krita-bugs-n...@kde.org
Reporter: grum...@grum.fr
Target Milestone: ---
Created attachment 139282
--> https://bugs.kde.org/attachment.cgi?id=139282&action=edit
example file ready to use
SUMMARY
Flatten layer action is very slow when applied to a paint layer on which an
animated transform mask is attached
STEPS TO REPRODUCE
1. Create a document with a paint layer
2. Add a transform mask to paint layer
3. Define a 600frames animation with animation curves applied to transform mask
4. Flatten paint layer
(or download attached example file)
OBSERVED RESULT
With a 24CPU/64GB RAM computer (with 12CPU for Frame rendering clones limits)
- Render animation as PNG sequence: took around 15s
- Merge paint layer with transform mask: took around 1hour
EXPECTED RESULT
It shouldn't be so long to flatten layer.
If rendering 600frames as PNG files took only 15s, we can expect flatten should
be as fast as rendering (or even if flattening is a little bit longer than
rendering for miscellaneous reason, it should not be so long)
SOFTWARE/OS VERSIONS
krita-5.0.0-prealpha-c25d2e1-x86_64.appimage
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