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Issue 593080 link

Starred by 2 users
Status: Fixed
Owner: ----
Closed: Mar 2017
Cc:
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: All
Pri: 3
Type: Bug



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-webkit-box-reflect + filter: drop-shadow = incorrect replica layer offset

Project Member Reported by jbroman@chromium.org, Mar 8 2016 
While exploring -webkit-box-reflect: discovered this weird quirk:
http://jsbin.com/livobi/2/edit?html,css,output

The reflection shouldn't move because the shadow blur radius changes. It should be aligned with the source rectangle.

Pri=3 because this is unlikely to actually be a common case on the web, but filing so that we have it on record.

Comment 1 by pdr@chromium.org, Mar 8 2016 

This doesn't move for me on OSX10+RetinaMBP+lowDPI monitor. Is the red box moving for you, or just the shadow in it?

This is pretty broken in WebKit too :/


Another example that looks broken: http://output.jsbin.com/pehava (notice the text is blurred funny).

Comment 2 by jbroman@chromium.org, Mar 8 2016 

It does move for me, but the reflected box slides along a line of slope 1 for some reason.

And yeah, the non-composited path is broken in yet more silly ways.
Project Member

Comment 3 by sheriffbot@chromium.org, Mar 9 2017

Labels: Hotlist-Recharge-Cold
Status: Untriaged (was: Available)
This issue has been available for more than 365 days, and should be re-evaluated. Please re-triage this issue.
The Hotlist-Recharge-Cold label is applied for tracking purposes, and should not be removed after re-triaging the issue.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 4 by senorblanco@chromium.org, Mar 9 2017

Status: Fixed (was: Untriaged)
Seems fine in r454471. According to bisect-builds, this was fixed by something in this range:

https://chromium.googlesource.com/chromium/src/+log/fb6d7cd97f963253a64b8234954d0f76fa310871..25d2a4a86fb664bbeff65fb68f835c92cd6318c4

Most likely by "Accelerated filters should filter unpadded primitives" (r370523), where we stopped padding textures with transparent pixels before passing them to Skia.

Comment 5 by suzyh@chromium.org, Apr 5 2017

Components: -Blink>CSS>Filters Blink>Compositing>Filters
►

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