[webkit-help] What is the situation regarding broken font rendering?
simon.fraser at apple.com
Mon Sep 14 09:15:52 PDT 2015
> On Sep 14, 2015, at 9:02 AM, Jon Rimmer <jon.rimmer at gmail.com> wrote:
> On 14/09/2015 15:58, Simon Fraser wrote:
>> Just to clarify, this is an OSX-wide problem, and not specific to WebKit.
>> WebKit is dependent on underlying libraries for text rendering, graphics
>> and compositing, and this bug is a consequence of rendering text into
>> transparent textures, when the destination pixel colors are unknown.
>> Considerable engineering effort was spent earlier this year in trying to come
>> up with a solution to this problem. Some of this happened in WebKit, but
>> unfortunately we were not able to come up with a solution that worked well
>> in all cases. It’s still a high priority item for us, but we are very dependent on
>> other frameworks.
>> I did make an improvement which should make animations less likely to trigger
>> changes in text rendering. Does your content still show lots of text flickers
>> in El Capitan or a recent WebKit nightly?
> Thanks Simon. It's reassuring to know this is still a priority, at least. I don't have access to a machine with El Capitan, but in a recent WebKit nightly, the problem seems to be somewhat ameliorated vs Safari 8, but I'm still seeing quite a lot of flickering fonts, including in areas that aren't animating, and the page occasionally getting "stuck" in the wrong antialiasing mode:https://www.youtube.com/watch?v=hVoE9fLukQk <https://www.youtube.com/watch?v=hVoE9fLukQk>
Can you give me the URL of your test page?
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