WebKit Bugzilla
New
Browse
Search+
Log In
×
Sign in with GitHub
or
Remember my login
Create Account
·
Forgot Password
Forgotten password account recovery
RESOLVED FIXED
248299
[WinCairo] performance drop for text rendering by Cairo 1.17.6
https://bugs.webkit.org/show_bug.cgi?id=248299
Summary
[WinCairo] performance drop for text rendering by Cairo 1.17.6
Fujii Hironori
Reported
2022-11-23 21:59:29 PST
[WinCairo] MotionMark Design performance drop by Cairo 1.17.6 Tested with: WinCairo WK1
256973@main
+ WebKitRequirements v2022.10.20 WebKitRequirements v2022.03.05 cairo.dll: 40.71 WebKitRequirements v2022.10.20 cairo.dll: 1.00 Screenshots:
https://ibb.co/album/bH7c9t
Attachments
Add attachment
proposed patch, testcase, etc.
Fujii Hironori
Comment 1
2022-11-24 21:26:03 PST
https://github.com/freedesktop/cairo/commit/62681fe0523ae96a29e2ff9c080a4c0f4ad40d4c
https://github.com/freedesktop/cairo/commit/82119ec2f38fc92ba711454d87558092f0ef4b32
They are the culprit. Reverting both changes fixes the performance problem.
Fujii Hironori
Comment 2
2022-11-24 23:10:24 PST
Fix scaled_glyph hash lookup on Win64 · freedesktop/cairo@1cc2320
https://github.com/freedesktop/cairo/commit/1cc23206bde186d4aef948bba11e591120c99dcd
It was fixed by this.
Fujii Hironori
Comment 3
2022-11-24 23:23:44 PST
PR
https://github.com/WebKitForWindows/WebKitRequirements/pull/102
Fujii Hironori
Comment 4
2022-12-22 16:32:28 PST
Fixed by
https://github.com/WebKitForWindows/WebKitRequirements/releases/tag/v2022.12.22
Note
You need to
log in
before you can comment on or make changes to this bug.
Top of Page
Format For Printing
XML
Clone This Bug