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Browser Hardware Acceleration Affects CSS Scaling
Reported by
nicholas...@gmail.com,
Mar 7 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36 Steps to reproduce the problem: 1. Create angular horizontally scrollable div with a series of divs with images in them. 2. Use css transform: scale() to scale the top div to around 24% 3. Create more divs, that will be offscreen to the right, that also have images in them. 4. Scroll to the right to reveal off screen divs with images 5. The off screen divs will be partially rendered. If hardware acceleration is turned off them the rendering will not be affected. What is the expected behavior? Full images are visible What went wrong? Images are partially revealed or not revealed at all. Did this work before? Yes ? Does this work in other browsers? Yes Chrome version: 56.0.2924.87 Channel: stable OS Version: OS X 10.12.3 Flash Version:
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Mar 8 2017
@nicholas.arent-- Could you please provide us the sample testfile / testcase to reproduce the issue and also please help us by providing the expected result screenshot. Thanks!
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Mar 15 2017
Hi, 0. Launch the Chrome browser in the Mac OS operating system and make sure Hardware Acceleration is turned on in the browser advanced settings. 1. You can navigate to our public site, https://www.build.me/splashapp 2. In the pink banner click Got It and then Press the red Sign Up button and create an account for yourself. 3.Once logged in, press the Create New Project button and provide a title and description. Then press the Create Project button. 4. Next press Start Prototyping 5. From there press the Freestyle page tile. 6. Then in the top left corner there is a plus symbol in a circle. Press this to create another Freestyle page. Do this 5 times till you have a total of six pages. Don't scroll yet though. 7. Once all six pages are created, scroll slowly to the right and you will see the 5th page is a partially rendered page and the sixth page is not rendered at all. Let me know if you need more information. Best Regards, Nick
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Mar 15 2017
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Mar 15 2017
Thank you for providing more feedback. Adding requester "hdodda@chromium.org" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Mar 17 2017
If this is HW acceleration related, it's unlikely to be a bug in the style engine.
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Mar 17 2017
Able to reproduce this issue in Mac 10.12.3 using chrome reported version #56.0.2924.87 and latest canary #59.0.3043.0. Issue is not seen in M50. Unable to provide bisect result as the site https://www.build.me/splashapp is redirected to unsafe site as in the attached screenshot. nicholas.arent@ - Could you please provide any other sample url to test this issue. Thanks...!!
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Mar 17 2017
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Mar 17 2017
Waiting on feedback so we can get a bisect. A reduction that does not involve signing up for a service would be good too. Can you just save the failing page?
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Mar 27 2017
WontFix due to lack of feedback. Reopen if we can get a reduction that avoids the unsafe site.
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Mar 28 2017
Sorry for the delayed response, I've been trying to get a response from my team about this security error you are receiving because I don't receive it. Could you please try again? I don't know how else to give you an example because this is our public facing site. I hope someone can help use here because this bug is affecting our product with no work around.
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Mar 28 2017
Hi, I just saw the message about saving the site. I have saved it and uploaded it here now. The problem is reproducible in the saved page so please take a look.
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Mar 28 2017
Also, I don't see an option to reopen this issue, where is that option?
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Mar 28 2017
The uploaded test is missing some files. Can you zip and upload the BUILD_files directory too? Just to double-check, this works in Firefox or Edge or Safari but not in Chrome?
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Mar 28 2017
Hi, Sorry about that, here is the zip with all of the files. Yeah, this works fine in Firefox, Edge and Safari, but not in Chrome.
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Mar 29 2017
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Apr 12 2017
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Apr 13 2017
Unfortunately, I can't repro this with the files in #15 on my Mac Pro (10.12.3) on Canary (59) Stable (57) or old revisions back to 56. krajshree@chromium.org: could you try a bisect on the machine which repro'ed it before? Also, please attach the contents of about:gpu. Thanks!
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Apr 16 2017
When this issue was previously closed I had created a second issue because it was not clear whether this would be re-opened or not: the developers there have some theories about this issue: https://bugs.chromium.org/p/chromium/issues/detail?id=706273#c1 So you may chat with them and consolidate these two issues.
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Apr 27 2018
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Apr 30 2018
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Comment 1 by nyerramilli@chromium.org
, Mar 8 2017