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Issue metadata

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



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A part of elements disappear when I use css properties, transform & filter

Reported by citri...@gmail.com, Sep 25

Issue description

UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Steps to reproduce the problem:
1. Open this URL: https://codepen.io/citringo/pen/PdrNMo
2. Press [Add/Remove filter:drop-shadow()] Button
3. Press [Move] Button
4. Then, a top of the box disappears

What is the expected behavior?
A top of the box doesn't disappear and shows successfully

What went wrong?
I think the bug happens due to a implementation of "filter" css property. On other browsers such as Firefox, I can't see the same problem.

Did this work before? No 

Does this work in other browsers? Yes

Chrome version: 69.0.3497.100  Channel: stable
OS Version: OS X 10.14.0
Flash Version:
 
Labels: Needs-Triage-M69
Status: WontFix (was: Unconfirmed)
Removing the border changes the size of the element causing it to move. If instead of removing the border when you apply the drop-shadow you set it to the background color (white in this case) the problem is avoided.
Status: Untriaged (was: WontFix)
#2 - but no other browser hides a big part of it. Why is it partially hidden in Chrome only?
partially-hidden.png
4.8 KB View Download
If I add top: 193px (for example) to .wrapper, it is shown in full.
partially-hidden-top-revealed.png
61.6 KB View Download
Components: -Blink>CSS Blink>Compositing
Labels: FoundIn-71 Needs-Bisect
Cc: vamshi.kommuri@chromium.org
Labels: -Needs-Bisect Triaged-ET Target-71 M-71 OS-Linux OS-Windows
Able to reproduce the issue on reported chrome version 69.0.3497.100 and the issue is also seen on the latest beta 70.0.3538.22  and on canary 71.0.3560.0 using Windows 10, Ubuntu 14.04 and Mac 10.13.1

As the issue is seen from M60(60.0.3112.0) considering it as Non-Regression, hence removing Needs-Bisect label. Attaching the screenshot from M60 for reference. Requesting someone from respective team to have a look into this.

Thanks!
888954.png
609 KB View Download
Components: -Blink>Compositing Blink>Paint
Status: Available (was: Untriaged)
It's a bug, for sure. Reduced test case attached.

The transform is probably not correctly mapping something to do with the filter.

Firefox also has issues, in that it does not display anything initially then displays content if you toggle the transform in Inspector.
cr888954.html
423 bytes View Download

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