https://bugs.kde.org/show_bug.cgi?id=395273
--- Comment #1 from Dmitry Kazakov ---
Git commit cf035350d949d47b711033c0aace91d960c8a685 by Dmitry Kazakov.
Committed on 04/07/2018 at 09:50.
Pushed by dkazakov into branch 'master'.
Test for rectangular artifacts on transparency masks
The problem itself is not solved yet. Only a test that
can reproduce it in a stable way is implemented.
The only things that I know right now is:
1) The problem is related to multithreading. It doesn't
appear when the number of threads is limited to 1.
2) Artifacts appear only after clearing the transparency
paint device.
3) Artifacts are neither present in the transparency mask
paint device, nor in the projection of its parent layer.
4) Artifacts appear in the final image projection, right
when the async merger calls layer->projectionPlane()->
->apply().
5) Changing dirtyRect in KisToolUtils::clearImage() to the
entire image bounds doesn't help much.
M +5-0libs/ui/tests/CMakeLists.txt
A +134 -0libs/ui/tests/KisPaintOnTransparencyMaskTest.cpp [License:
UNKNOWN] *
A +15 -0libs/ui/tests/KisPaintOnTransparencyMaskTest.h [License:
UNKNOWN] *
A +---libs/ui/tests/data/testing_wet_circle.kpp
M +5-0sdk/tests/stroke_testing_utils.cpp
M +1-0sdk/tests/stroke_testing_utils.h
The files marked with a * at the end have a non valid license. Please read:
https://community.kde.org/Policies/Licensing_Policy and use the headers which
are listed at that page.
https://commits.kde.org/krita/cf035350d949d47b711033c0aace91d960c8a685
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