Bug 131287 - Skia: slow page scaling in Writer (and with some delays)
Summary: Skia: slow page scaling in Writer (and with some delays)
Status: VERIFIED FIXED
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: graphics stack (show other bugs)
Version:
(earliest affected)
7.0.0.0.alpha0+
Hardware: All All
: medium normal
Assignee: Luboš Luňák
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Skia
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Reported: 2020-03-11 14:53 UTC by Roman Kuznetsov
Modified: 2020-03-19 13:33 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:

Attachments
Example file (27.84 KB, application/vnd.oasis.opendocument.text)
2020-03-11 15:04 UTC, Roman Kuznetsov 		Details
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Description Roman Kuznetsov 2020-03-11 14:53:14 UTC 
Description:
Skia: slow page scaling in Writer (and with some delays)

Steps to Reproduce:
1. Enable Skia
2. Open file from attach
3. Try scale it with Ctrl+mouse wheel (increase-decrease-increase-...) => it's slow and with some delays comparise with nonSkia mode

ps: possibly a problem is in Skia/Raster mode... 

Actual Results:
Page scaling is slow

Expected Results:
Page scaling is fast as in nonSkia mode


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.0.0.0.alpha0+ (x64)
Build ID: b546a7a461fd09d93e9b427b771353be9066720f
CPU threads: 4; OS: Windows 10.0 Build 18362; UI render: Skia/Raster; VCL: win; 
Locale: ru-RU (ru_RU); UI-Language: en-US
Calc: threaded
Comment 1 Roman Kuznetsov 2020-03-11 15:04:11 UTC 
Created attachment 158614 [details]
Example file
Comment 2 Roman Kuznetsov 2020-03-11 19:26:11 UTC 
I don't see it with Skia/Vulkan in

Версия: 7.0.0.0.alpha0+ (x64)
ID сборки: c63148ba139bd6b9ae7a0f9e24e51f29e5370963
Потоков ЦП: 4; ОС: Windows 10.0 Build 17763; Отрисовка ИП: Skia/Vulkan; VCL: win; 
Локаль: ru-RU (ru_RU); Язык интерфейса: ru-RU
Calc: threaded

but it's another more modern notebook
Comment 3 Luboš Luňák 2020-03-18 09:52:41 UTC 
This should now work fine with current master (11847cc5fd22c9b98fd9c2cf1389eee6e404a4fb).
Comment 4 Roman Kuznetsov 2020-03-19 13:33:54 UTC 
(In reply to Luboš Luňák from comment #3)
> This should now work fine with current master
> (11847cc5fd22c9b98fd9c2cf1389eee6e404a4fb).

Confirm in 

Версия: 7.0.0.0.alpha0+ (x64)
ID сборки: 6388c578c672690fff662cb04b6a0436cd742f37
Потоков ЦП: 4; ОС: Windows 10.0 Build 18362; Отрисовка ИП: Skia/растр; VCL: win; 
Локаль: ru-RU (ru_RU); Язык интерфейса: ru-RU
Calc: threaded

build from 19 March 2020