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Issue metadata

Status: Duplicate
Merged: issue 795528
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 1
Type: Bug-Regression



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Blurred content jumps on transition

Reported by kubia...@gmail.com, Jan 23 2018

Issue description

UserAgent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Example URL:
http://jakubcech.net/fall-in-love/

Steps to reproduce the problem:
1. Just open the website
2. Scroll down
3. See how fonts are shaking during fading

What is the expected behavior?
Fonts should not be shaking - only fading. This behaviour is present only in the latest builds of Chrome. Working correctly in older Chromes and other webbrowsers.

What went wrong?
Chrome has been updated and there is a bug present.

Does it occur on multiple sites: No

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 63.0.3239.132  Channel: stable
OS Version: 6.3
Flash Version:
 
Components: Blink>Compositing
Subpixel? LCD text loss?
Owner: schenney@chromium.org
Status: Assigned (was: Unconfirmed)
Layer creation and removal. For some reason when the transition ends it jumps. Might be SVG positioning too because the jumping content is SVG.

I'll bisect.
Cc: hcm@chromium.org schenney@chromium.org senorblanco@chromium.org
Components: -Blink>Compositing Internals>Skia
Labels: -Pri-2 -Type-Compat OS-Linux Pri-1 Type-Bug-Regression
Owner: herb@chromium.org
Summary: Blurred content jumps on transition (was: Fonts are shaking)
Bisects to a Skia roll.

https://chromium.googlesource.com/chromium/src/+/306c7ea76432f773dc2be67b82d756faf9bcbbbe

My guess is the following CL becuase of the filter aspect. Was a bug introduced that offsets the filter output when the blur is very small or zero?
https://skia.googlesource.com/skia.git/+/5a4fb6eb335d29f24a1b239d1c0eb11b5d2ee59f

Note this is a P1 regression and has a 30-day SLA for fixing or otherwise resolving the bug (e.g. by reverting the patch).

Comment 4 by herb@google.com, Jan 24 2018

Owner: herb@google.com

Comment 5 by herb@google.com, Jan 24 2018

Mergedinto: 795528
Status: Duplicate (was: Assigned)

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