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Issue 741954 link

Starred by 5 users

Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Jul 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Compositing broken, get gray boxes

Project Member Reported by a...@chromium.org, Jul 13 2017

Issue description

Chrome Version: Version 61.0.3153.4 (Official Build) dev (64-bit)
OS: Mac 10.11.6 (15G1510)

Repro: Go to G+.

Compositing of transparent objects is broken; there is a gray box that appears outside of it.

See attached screenshots, one of Netflix, one of G+.
 
Screen Shot 2017-07-12 at 8.32.55 PM.png
52.8 KB View Download

Comment 1 by a...@chromium.org, Jul 13 2017

Screen Shot 2017-07-12 at 10.35.09 PM.png
21.0 KB View Download

Comment 2 by pdr@chromium.org, Jul 13 2017

Cc: pdr@chromium.org
Components: -Blink>Layout Internals>Skia
Owner: ethannicholas@chromium.org
Status: Assigned (was: Untriaged)
Here's the regression range:
https://chromium.googlesource.com/chromium/src/+log/cc3f9c3f3c57b1a4e0c506828932c0c46170e723..d43ca17f375b2f0cefc8ccaffa22e0c72ea6c040

I think this is probably:
"converted GrCircleBlurFragmentProcessor to sksl"
https://skia.googlesource.com/skia.git/+/9b80ffc77b8000b493eb1226dc6ec21f1e99edfc

Comment 3 by a...@chromium.org, Jul 13 2017

This works in my non-updated Canary, and the elements for which this is happening have drop shadows, so that CL looks like a plausible suspect.

Comment 4 by a...@chromium.org, Jul 13 2017

This works in

Version 61.0.3155.0 (Official Build) canary (64-bit)
and
Version 61.0.3156.0 (Official Build) canary (64-bit)

So that's kinda weird; was that already reverted?

Comment 5 by pdr@chromium.org, Jul 13 2017

Looking at the original review (https://skia-review.googlesource.com/c/21727/) I think this has been reverted: https://skia-review.googlesource.com/c/22266/

Maybe it's possible to add a test for this though?

Comment 6 by a...@chromium.org, Jul 13 2017

Cc: egdaniel@chromium.org
It was re-landed today at https://skia-review.googlesource.com/c/22369/ by Greg Daniel. cc-ing. Greg, can you confirm that this was fixed in your re-landing?

Comment 7 by pdr@chromium.org, Jul 13 2017

Cc: bsalomon@chromium.org

Comment 8 by a...@chromium.org, Jul 13 2017

I patched in the latest roll (https://chromium-review.googlesource.com/c/570189/) which re-adds the patch, and it seems to work in a local build. I'll wait to see if the official roll works well too.
You beat me to it; my own Chrome build was still going. Glad to hear it's ok now.

Comment 10 by a...@chromium.org, Jul 14 2017

Status: WontFix (was: Assigned)
This seems to be fixed on ToT at 79eb827de6b9. Closing.
Cc: chrishtr@chromium.org
 Issue 745605  has been merged into this issue.

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