Issue metadata
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Changing the browser size when the tab with a canvas is not focused seems to reset the canvas
Reported by
daniel.l...@gmail.com,
May 18 2016
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36 Example URL: It's a tab switching issue, but this is a good example: http://jsfiddle.net/alancnet/9Q8nJ/ Steps to reproduce the problem: 1. Make your browser window not full screen 2. Go here: http://jsfiddle.net/alancnet/9Q8nJ/ (look at the text in the canvas in the bottom right) 3. Create a new chrome tab and switch to it 4. Make the browser window larger 5. Switch to the jsfiddle tab with the canvas What is the expected behavior? The canvas continues to render as if you resized the browser with that tab in focus What went wrong? The canvas' contents were cleared. 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: 50.0.2661.102 Channel: stable OS Version: 6.1 (Windows 7, Windows Server 2008 R2) Flash Version: Shockwave Flash 21.0 r0 Disabling hardware acceleration fixes the issue.
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May 23 2016
Maybe this was fixed then. Testing team: please bisect to see if this was fixed after M51.
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May 24 2016
Able to reproduce on Windows 7 using chrome stable M50-50.0.2661.102 and latest canary M53-53.0.2746.0 Bisect Information: ===================== Good build: 50.0.2642.0 Bad Build : 50.0.2643.0 Change Log URL: https://chromium.googlesource.com/chromium/src/+log/aeec2fb6831ba25021c0275bd9feacea48dcc0d8..9909694b493e872de66cc26be9c510c249a6de5b From the above change log suspecting below change Review URL: https://codereview.chromium.org/1668373002 emircan@ - Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner. Thanks!
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May 24 2016
trchen@, can you take a look if this is related to https://codereview.chromium.org/1651153003?
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May 24 2016
My CL is behind a flag. I suspect the bisect is inaccurate because it is not a 100% repro. My local bisect gets me 369677~369681. https://chromium.googlesource.com/chromium/src/+log/9548514915b37a36ad23fc3dac96a3845778e3a7..0f04bec7805049ef3807aef67bf8596e34f7c5da Culprit: https://codereview.chromium.org/1585793002
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May 24 2016
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Comment 1 by japhet@chromium.org
, May 23 2016Labels: -OS-Windows OS-All
Status: Available (was: Unconfirmed)