https://bugs.kde.org/show_bug.cgi?id=515576
Bug ID: 515576
Summary: Qt6: Resizing the canvas widget sometimes flickers
Classification: Applications
Product: krita
Version First 6.0.0-beta1
Reported In:
Platform: macOS (DMG)
OS: macOS
Status: REPORTED
Keywords: regression
Severity: normal
Priority: NOR
Component: OpenGL Canvas
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 189257
--> https://bugs.kde.org/attachment.cgi?id=189257&action=edit
Flickering on canvas widget resize
SUMMARY
When resizing the canvas widget (such as by resizing a docker), sometimes a
frame or two of the image on canvas disappears (while leaving the canvas
background visible), causing flickering.
It happens when canvas graphics acceleration is on. I don't know whether it
happens on platforms other than macOS.
This doesn't happen on Qt5.
STEPS TO REPRODUCE
1. Open a document.
2. Resize a docker so that the canvas widget resizes, watch for flickering.
OBSERVED RESULT
Random missing frame of the image
EXPECTED RESULT
Normal image frames
SOFTWARE/OS VERSIONS
Krita 6.0.0-beta1
macOS Sequoia
ADDITIONAL INFORMATION
See attached video at around :02, :04, :06.
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