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Issue 652049 link

Starred by 2 users
Status: Duplicate
Merged: issue 646993
Owner:
█ trchen@chromium.org
Last visit > 30 days ago
Closed: Oct 2016
Cc:
█ sureshkumari@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 2
Type: Bug-Regression



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Bug witn work transform-style: preserve3d

Reported by lokdaw...@gmail.com, Oct 1 2016 
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36

Example URL:
https://oleksandrpavlyshch.github.io/kharkivcss_css5dx/#29

Steps to reproduce the problem:
1. Open URL https://oleksandrpavlyshch.github.io/kharkivcss_css5dx/#29 slide 29
3D looks brouken http://prntscr.com/coingm

In chrome 52.** or blisk browser or microsoft edge it working 
http://prntscr.com/coiojk

What is the expected behavior?
3d

What went wrong?
looks brouken http://prntscr.com/coingm

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? Yes in chrome 52.**

Does this work in other browsers? Yes 

Chrome version: 53.0.2785.116  Channel: n/a
OS Version: 10.0
Flash Version: Shockwave Flash 23.0 r0

In chrome 52.** or blisk browser or microsoft edge it working 
http://prntscr.com/coiojk

Comment 1 by cbiesin...@chromium.org, Oct 4 2016

Components: -Blink Blink>CSS>3D
Labels: Needs-Bisect

Comment 2 by sureshkumari@chromium.org, Oct 5 2016

Cc: sureshkumari@chromium.org
Labels: -Type-Bug M-53 OS-Linux OS-Mac Type-Bug-Regression
Owner: trchen@chromium.org
Status: Assigned (was: Unconfirmed)
Able to reproduce the issue in windows Chrome stable (53.0.2785.143), mac,Linux and  canary(55.0.2880.0).

Manual Bisect:

Good build:53.0.2774.3
Bad build:53.0.2776.0

Bisect tool info:

CL : 
https://chromium.googlesource.com/chromium/src/+log/48c8c979b1440101b879a05352cfd5907a8ef643..8553918472be79e5bac66d6811a926c69e2e9669

Possible suspect:
https://chromium.googlesource.com/chromium/src/+/696f27afa62eb426545c29cefe0b0b43feeafe94

trchen @ Please reassign if this is not related to your change.

Comment 3 by sureshkumari@chromium.org, Oct 6 2016

Labels: -Needs-Bisect hasbisect

Comment 4 by trchen@chromium.org, Oct 10 2016

Mergedinto: 646993
Status: Duplicate (was: Assigned)
Non-default opacity with preserve-3d was undefined in TR spec, which has been revised to force flattening in ED spec. This issue is still under debate at public-fx: 

https://lists.w3.org/Archives/Public/public-fx/2016JulSep/0002.html

Please raise your concern if you feel this behavior should be re-spec'd. Thanks!

Comment 5 by suzyh@chromium.org, Mar 24 2017

Components: -Blink>CSS>CSS3D Blink>Compositing>Transform3D
►

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