Remove -moz-font-smoothing-background-color
Categories
(Core :: Widget: Cocoa, task)
Tracking
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| Tracking | Status | |
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| firefox121 | --- | fixed |
People
(Reporter: emilio, Assigned: emilio)
References
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(1 file)
Per discussion with mstange:
- macOS stopped doing subpixel AA with 10.14*
- We only run on 10.15 and above.
- There used to be the option to re-enable it with
defaults write -g CGFontRenderingFontSmoothingDisabled -bool false, but that option was removed in Big Sur.
so the only mac configuration we support which still has subpixel AA is 10.15 with that non-standard pref set which is not worth caring about
Seems we can remove that code.
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Comment 1•8 months ago
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Some other potentially-useful-in-the-future discussion:
mstange: unless... we may want to use it for vibrancy on Windows?
emilio: perhaps? I'm not sure there are concrete plans for that, do you know?
mstange: no I don't know of any plans
emilio: I know about the mica titlebar stuff which I hacked up a bit ago, but other than that we don't support glass anymore
mstange: yes that's what I was thinking of
emilio: mstange: is it not an issue for websites btw? Think a backdrop-filter with text inside
emilio: Maybe we just disable subpixel AA there?
emilio: And maybe that's fine nowadays ;)
mstange: that's right, yeah websites just get grayscale AA there
emilio: Cool, okay, I'll remove then for now. If we want to fix that problem more generally we can resurrect that code, or do something smarter (just using a reasonable guess based on the color-scheme of the element might be an ok thing to do for chrome code actually)
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Updated•8 months ago
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Updated•8 months ago
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Comment 2•8 months ago
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See comments in the bug for reasoning. macOS hasn't used subpixel AA for
quite a while.
Emulating this macOS AA on vibrant backgrounds was the only point of
this feature.
This allows to simplify the WebRender code quite a bit, too.
Depends on D192103
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Updated•8 months ago
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Pushed by ealvarez@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/ac21868e42ba Remove -moz-font-smoothing-background-color. r=gfx-reviewers,desktop-theme-reviewers,devtools-reviewers,dao,gw
Pushed by emilio@crisal.io: https://hg.mozilla.org/integration/autoland/rev/87dbade4c6f2 Fix wrench build bustage.
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Comment 5•8 months ago
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| bugherder | ||
https://hg.mozilla.org/mozilla-central/rev/ac21868e42ba
https://hg.mozilla.org/mozilla-central/rev/87dbade4c6f2
Pushed by mkmelin@iki.fi: https://hg.mozilla.org/comm-central/rev/119e115b8bff remove Thunderbird usage of -moz-font-smoothing-background-color. r=me
| Comment hidden (Intermittent Failures Robot) |
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