Firefox – we’re finally getting HW acceleration on Linux




Firefox 84.0 is a big milestone for Firefox Linux development as it comes with HW acceleration by default for some Linux users. Stock Mozilla Firefox 84.0 enables WebRender (HW accelerated backend) for Gnome/X.org and Gnome/Wayland will be supported in Firefox 85.0. Fedora is bit ahead and enables WebRender for Gnome/Wayland in Firefox 84.0 too.
WebRender by default is restricted to AMD/Linux graphics cards as NVIDIA is known for various issues – both proprietary and Noveau drivers.
And why it’s enabled in Gnome only for now? For instance KDE is also a popular desktop environment. I think it’s because Gnome utilizes HW acceleration so when Gnome works on your box there’s assumption that Firefox will work too. KDE provides choices how to disable/restrict HW acceleration setup (for instance it supports disabled screen compositing) and it’s more difficult to cover various scenarios.
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