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Issue 880767 link

Starred by 2 users
Status: Available
Owner: ----
Cc:
ericrk@chromium.org
khushals...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Transforms mess up svg filters

Reported by yishayj...@gmail.com, Sep 5 
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

Example URL:
https://jsfiddle.net/yishayw/t6mdpyu0/3/

Steps to reproduce the problem:
1. Go to https://jsfiddle.net/yishayw/t6mdpyu0/3/

What is the expected behavior?
Blue rectangle should not be painted purple.

What went wrong?
The purple filter appears on the upper edge of the blue rectangle.

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 68.0.3440.106  Channel: n/a
OS Version: 10.0
Flash Version:

Comment 1 by dtapu...@chromium.org, Sep 5

Components: -Blink Blink>SVG
Status: Untriaged (was: Unconfirmed)
Confirmed this is an issue in Chrome Windows only (Chrome 71.0.3543.0 and Chrome 69.0.3497.81). Chrome Linux ToT and 69 both seem to look fine.

Comment 2 by gavha...@gmail.com, Sep 5 

I see this on Mac as well.
Chrome 69.0.3497.81
OS: 10.12.6 (16G1510)
MacBook Pro (Retina, 15-inch, Mid 2015)
Processor: 2.8 GHz Intel Core i7
Memory: 16 GB 1600 MHz DDR3
Graphics: Intel Iris Pro 1536 MB

Comment 3 by schenney@chromium.org, Sep 6

Components: -Blink>SVG Internals>GPU>Rasterization
This requires a 100% zoom setting, and no DPI zoom. At other zoom settings the problem goes away, or comes back.

The problem does not reproduce on linux probably because hardware raster is disabled. Forcing software raster on Windows fixes the issue. Assigning based on that.

Comment 4 by gavha...@gmail.com, Sep 6 

I can confirm that turning off hardware acceleration on Mac makes the issue go away.

Comment 5 by weiliangc@chromium.org, Sep 7

Cc: khushals...@chromium.org ericrk@chromium.org
Status: Available (was: Untriaged)
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