Note: there was a major performance regression that happened in https://bugzilla.mozilla.org/show_bug.cgi?id=1642308. It is being backed out, but any testing done on 20201030034830 until the next nightly isn't going to be useful.
-Jeff On Tue, Oct 27, 2020 at 4:20 PM Jim Mathies <jmath...@mozilla.com> wrote: > > Hey all, > > tl/dr; Help us by testing WebRender software fallback, and file bugs against > the meta 'sw-wr-dogfood'. > > WebRender Software Fallback is a project involving the development of a > software (vs. accelerated) backend for WebRender. Its purpose is to replace > the old graphics pipelines on platforms where we suffer from various > stability issues revolving around driver issues, missing rendering features, > and as a target for the long tail of hardware that doesn't show up in our > release population in significant numbers. We plan to ship this new backend > to targeted devices and drivers on various platforms in 2021. > > Today we are kicking off a dog fooding phase to accumulate bug reports for > issues and Firefox profiler profiles for performance issues. If you're > interested in helping please continue reading! > > If you are currently running Nightly, please try temporarily enabling > software fallback and comparing it to your regular browsing experience. > > During testing if you - > > 1) Run into stability issues, we'd appreciate bug reports with crash > signatures. > > 2) Notice painting glitches or errors, we'd appreciate bug reports with > screenshots. > > 3) Detect noticeable performance issues with page interaction and scrolling > that normally don't occur, we'd appreciate bug reports with Firefox profiles. > > We're interested in reports from users who currently qualify for one of the > WebRender accelerated backends as well as from users who do not. If your > device currently defaults to one of the older graphics pipelines (in > particular, Basic Layers) we're very interested in hearing about your > experience with software fallback. You can identify your default backend by > checking about:support's Graphics section. > > To switch to using software fallback, flip the following prefs - > > gfx.webrender.all = true > gfx.webrender.software = true > > The first pref change ensures WebRender is enabled. The second pref switches > WebRender to use the software fallback backend. > > Once you have finished testing, reset both of these preferences to their > defaults to reset to your default graphics backend. We'd like to ask that you > run with software fallback for as long as you are comfortable using it and > report any issues you come across via Bugzilla. File bugs under Core : > Graphics : WebRender [1] and please block any bugs filed against the meta bug > 'sw-wr-dogfood' [2] so that the Graphics team can find and triage them. > > Thanks for the help! > Platform Graphics Team > > [1] > https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Graphics%3A%20WebRender > [2] https://bugzilla.mozilla.org/show_bug.cgi?id=sw-wr-dogfood > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
