https://bugs.documentfoundation.org/show_bug.cgi?id=159649
Bug ID: 159649
Summary: Slow scrolling with highlighting in Calc with Skia
disabled
Product: LibreOffice
Version: 7.5.0.3 release
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: bibisected, bisected, perf, regression
Severity: normal
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 192475
--> https://bugs.documentfoundation.org/attachment.cgi?id=192475&action=edit
Example file from Calc
Scrolling the attached file is slow while content highlighting is happening.
1. Open the attached file in Calc after disabling Skia in Windows or under
Linux
2. Make the window full screen
3. Highlight the cells A1:J1 with the mouse
4. Move the mouse cursor to the bottom of the screen to scroll down while
highlighting, until to the row 625
-> in 7.4 this took about 5 (Linux) to 8 seconds (Windows VM)
-> in master this takes about 15 (Linux) to 30 seconds (Windows VM)
Version: 24.8.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: aa6d11771d085803cdb811579f47debc30c4d94b
CPU threads: 15; OS: Windows 10.0 Build 19045; UI render: default; VCL: win
Locale: hu-HU (hu_HU); UI: en-US
Calc: threaded
Seems to have started in 7.5 with:
https://git.libreoffice.org/core/+/96880f5af713a55d87556af30a08b5f09f00ba48
author Caolán McNamara <[email protected]> Wed Nov 23 17:29:56 2022 +0000
committer Caolán McNamara <[email protected]> Wed Nov 23 21:13:50
2022 +0100
tdf#152094 don't attempt scroll paint optimization for devices with a mapmode
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