https://bugs.kde.org/show_bug.cgi?id=477815
Bug ID: 477815
Summary: Textured brush causes rectangular glitches on the
canvas
Classification: Applications
Product: krita
Version: 5.2.1
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: OpenGL Canvas
Assignee: krita-bugs-n...@kde.org
Reporter: rafanav...@hotmail.com
Target Milestone: ---
Created attachment 163685
--> https://bugs.kde.org/attachment.cgi?id=163685&action=edit
System information generated by the Krita help menu
SUMMARY
***
Sometimes rectangular glitches will appear on the canvas when I'm painting with
a textured brush with a size approaching half of the canvas. The glitch can be
seen in the screenshot that will be attached next.
***
STEPS TO REPRODUCE
1. (On Microsoft Windows) set the canvas renderer to "DIRECT3D 11 VIA ANGLE".
2. Select one of the default textured brushes (Krita 4 Preset Bundle).
3. Paint a continuous stroke on the canvas, until the glitch appears. It's rare
for it to appear.
OBSERVED RESULT
If I rotate, pan or zoom the canvas then the glitch is rotated/panned/zoomed
together, as if it was part of the painted pixels.
If I undo and then redo, the glitch disappears and the painted pixels that were
underneath it can now be seen, and there are no defects to what was painted.
If I set the canvas renderer to OpenGL, these glitches stop happening
altogether. On my system this renderer works fine, so I'll be using this
instead of the default renderer.
EXPECTED RESULT
For no glitch to appear.
SOFTWARE/OS VERSIONS
(Please see the attached system report from the Help menu for more details)
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 6.3.9600
Pretty Productname: Windows 8.1 Version 6.3 (Build 9600)
Product Type: windows
Product Version: 8.1
ADDITIONAL INFORMATION
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