https://bugs.kde.org/show_bug.cgi?id=413504

            Bug ID: 413504
           Summary: Delay and lag in painting stroke while drawing.
           Product: krita
           Version: git master
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: General
          Assignee: krita-bugs-n...@kde.org
          Reporter: ra...@raghukamath.com
  Target Milestone: ---

Created attachment 123510
  --> https://bugs.kde.org/attachment.cgi?id=123510&action=edit
video demonstrating the delay in painting

SUMMARY
When drawing long and big strokes the brush lags behind the cursor position for
a bit, if you draw fast enough the brush takes a tiny second to catchup to the
cursor positon. This can be evidently seen if you use the brush cursor shape as
arrow and draw a long stroke with a "C) pencil-2" brush. Also this lag somewhat
makes the drawing performance feel sluggish.  

I am not using any kind of stabilizer, this is with none and basic settings.

I am attaching a video to show the trailing brush stroke behind the cursor. I
hope you can see it. If not please let me know how i can provide more
information for this. 

This delay adds up and drawing in Krita feels a bit slow compared to Mypaint
which gives better drawing feedback.

Operating System: Arch Linux 
KDE Plasma Version: 5.17.1
KDE Frameworks Version: 5.63.0
Qt Version: 5.13.1
Kernel Version: 5.3.7-arch1-1-ARCH
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-4790K CPU @ 4.00GHz
Memory: 15.5 GiB of RAM
Graphic card - Intel Integrated  Intel® HD Graphics 4600

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