https://bugs.documentfoundation.org/show_bug.cgi?id=167425
Bug ID: 167425
Summary: Awful scroll performance in Calc when Skia is enabled
Product: LibreOffice
Version: 26.2.0.0 alpha0+ master
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: UI
Assignee: [email protected]
Reporter: [email protected]
Description:
In the recent dev builds Skia is locked on Windows platform and cannot be
disabled.
But this makes work virtually impossible as scrolling a sheet takes 1 second or
more for even 1 row.
Steps to Reproduce:
I have a sheet containing 76 rows and columns up to P. It contains Unicode
characters (extended Latin alphabet).
Actual Results:
Smooth scrolling of this sheet is impossible with Skia. In earlier builds when
it was possible to disable Skia, the scrolling was fast. With Skia it takes up
to 1 second per row to scroll. It is also very slow when the window is resized
or maximized, taking more than a second to redraw.
Expected Results:
Smooth scrolling at the same speed as when Skia is disabled.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 26.2.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: 1457699096a5f6b25f7a32582e5bdec9deeb0898
CPU threads: 4; OS: Windows 11 X86_64 (build 22631); UI render: Skia/Vulkan;
VCL: win
Locale: ru-RU (ru_RU); UI: ru-RU
Calc: threaded
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