Different render of SVG images depend of ON/OFF hardware acceleration toggle
Reported by
vodianit...@gmail.com,
Nov 21 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36 Steps to reproduce the problem: I noticed the problem only on AMD CPU 1. Open attached file default-image.svg with "hardware acceleration toggle" ON 2. Turn OFF "hardware acceleration toggle" open default-image.svg again. 3. Compare 2 variants of pictures What is the expected behavior? Pictures looks same What went wrong? When "hardware acceleration toggle" ON, picture looks pixelated, ugly. You can see it on the attached screenshot. Did this work before? N/A Does this work in other browsers? Yes Chrome version: 62.0.3202.94 Channel: stable OS Version: 10.0 Flash Version: Shockwave Flash 27.0 r0 I've attached chrome://gpu
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Nov 21 2017
Seems like GPU raster is resulting in less smooth AA of these elements on the user's computer. It's AMD discrete GPU only, so I'd expect we'd use MSAA? senorblanco@, can you take a look?
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Nov 21 2017
I think this is working as intended, at least by us. I tried it on my desktop 7800HD at it looks much the same. MSAA quality on AMD devices is just not as good as NVidia's. The only other option I can see would be blacklisting AMD MSAA, but that would be a big performance loss in some cases.
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Nov 27 2017
Marking WontFix based on analysis in Comment #3. |
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Comment 1 by f...@opera.com
, Nov 21 2017