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Issue 643809 link

Starred by 2 users
Status: Fixed
Owner:
caseq@chromium.org
Closed: Nov 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug



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Feature Request: Layer compositing reason should be available outside the timeline

Reported by kdzwinel@gmail.com, Sep 2 2016 
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2847.0 Safari/537.36

Steps to reproduce the problem:
"Rendering > Layer Borders" allows us to see the layers, but does not reveal the compositing reason (img#1). In order to learn what causes element to get promoted to a separate layer you have to make a timeline recording, run some animation / scroll / resize window, click on a single frame, go to 'Layers' and choose the right layer (img#2).

What is the expected behavior?

What went wrong?
It could be much simpler if the 'Layer' view was available outside the timeline (img#3).

Did this work before? No 

Chrome version: 55.0.2847.0  Channel: canary
OS Version: OS X 10.11.6
Flash Version:
img1.png
192 KB View Download
img2.png
130 KB View Download
img3.png
101 KB View Download

Comment 1 by paulir...@chromium.org, Sep 12 2016

Components: Platform>DevTools>Performance
Owner: pfeldman@chromium.org
Status: Assigned (was: Unconfirmed)
We interpreted this as a request for the Layers panel. (which has been in experiments for a while)

So we have a patch that puts it in the Drawer: https://codereview.chromium.org/2307253003

how's that sound to you?

Comment 2 by kdzwinel@gmail.com, Sep 12 2016 

I missed that there is already an experiment for that! Fantastic.

Comment 3 by pfeldman@chromium.org, Nov 22 2016

Owner: caseq@chromium.org
Status: Fixed (was: Assigned)
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