RESOLVED INVALID 162930
Lack of dithering in CSS gradients leads to banding 
https://bugs.webkit.org/show_bug.cgi?id=162930
Summary Lack of dithering in CSS gradients leads to banding
lensco
Reported 2016-10-04 12:21:02 PDT
Created attachment 290634 [details] CSS gradient banding in Safari CSS gradients in Safari on macOS are severely banded because of a lack of dithering. Compare with Chrome, which does apply dithering and doesn't suffer gradient banding. Here's a quick example: http://jsfiddle.net/5usvjbk2/2/embedded/result/
Attachments
CSS gradient banding in Safari (37.50 KB, image/png)
2016-10-04 12:21 PDT, lensco 		no flags
Details
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Simon Fraser (smfr)
Comment 1 2016-10-04 13:05:15 PDT
Gradients on Mac/iOS are rendered by CoreGraphics, which is below WebKit, so we can't fix this in webkit itself.
Simon Fraser (smfr)
Comment 2 2016-10-04 13:33:22 PDT
This is covered by rdar://problem/23422249.
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