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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 2
Type: Bug



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PaintWorklet Animation leads to render error in dev tool

Reported by philipp....@bluemouse.ch, Feb 22 2018

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3352.0 Safari/537.36

Steps to reproduce the problem:
1. Go to https://googlechromelabs.github.io/houdini-samples/paint-worklet/ripple/
2. Open the dev tools and select the code in the script tag at the bottom of the page
3. click on the button on the page

What is the expected behavior?
The animation happens and nothing else

What went wrong?
== $0 gets rendered over the closing script tag

Did this work before? N/A 

Chrome version: 66.0.3352.0  Channel: canary
OS Version: 10.0
Flash Version:
 
canaryBug.JPG
8.4 KB View Download
Labels: Needs-Triage-M66
Components: -UI Platform>DevTools
Labels: Triaged-ET M-66 FoundIn-66 Target-66 OS-Linux OS-Mac
Status: Untriaged (was: Unconfirmed)
Able to reproduce the issue on reported chrome version 66.0.3352.0 and on the latest chrome version 66.0.3355.0 using Windows-10, Mac 10.12.6 and Ubuntu 14.04. As the issue is seen from M60(60.0.3072.0) considering it as non-regression and marking it as Untriaged.

Thanks!

Comment 3 by alph@chromium.org, Mar 3 2018

Components: -Platform>DevTools Internals>Compositing>Rasterization
Able to repro it on Linux ToT.

Comment 4 by piman@chromium.org, Mar 9 2018

Components: -Internals>Compositing>Rasterization Platform>DevTools
Cc: dgozman@chromium.org
Components: Blink>Paint
Owner: xidac...@chromium.org
Status: Assigned (was: Untriaged)
@xidachen: mind taking a look?
dgozman@: I don't think this is a PaintWorklet related bug.

I have attached another test page where there is just a raf animation changing opacity of an element (no PaintWorklet involved).

To repro the same bug:
1. Load the page, open devtools and select the code in the script tag
2. Click on the red rectangle
3. Observe the same bug happens.
raf-animation.html
519 bytes View Download
Cc: -dgozman@chromium.org xidac...@chromium.org
Components: -Blink>Paint
Owner: dgozman@chromium.org
Owner: einbinder@chromium.org
Thanks for checking this out and providing a repro! Turns out this is a pure UI bug, sorry for confusion. Over to Joel.

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