[engine] more consistently flush dart event loop, run vsync callback immediately #56738
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WDUT @jason-simmons @LongCatIsLooong ? |
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LGTM |
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Golden file changes have been found for this pull request. Click here to view and triage (e.g. because this is an intentional change). If you are still iterating on this change and are not ready to resolve the images on the Flutter Gold dashboard, consider marking this PR as a draft pull request above. You will still be able to view image results on the dashboard, commenting will be silenced, and the check will not try to resolve itself until marked ready for review. |
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Those goldens are concerning. if they aren't stable I need to roll back the MSAA patch |
jason-simmons
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Nov 21, 2024
jonahwilliams
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Changes the following shell callbacks to flush the dart event loop:
Using a new TaskRunner API RunNowAndFlushMessages. If the task runner can run tasks on the current thread, this will immediately invoke a callback and then post an empty task to the event loop to ensure dart listeners fire.
This also updates the vsync waiter to use RunNowOrPostTask, so that we start vsync events as early as possible.