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Firefox doesn't even properly support hardware acceleration in Linux.

• morning_gelato 7y ago
  Neither does chromium unfortunately, although Fedora now incorporates the out of tree va-api patches for chromium by default. This is one of the biggest things keeping me on chromium, video acceleration in the browser significantly improves battery life.
  • techntoke 7y ago
    There is a package for Arch as well, and it was previously in the default package, but they removed it again temporarily. This is keeping me on Chromium as well, but if it were added to Firefox then I'd reconsider.
• riskable 7y ago
  This is a rather ambiguous and incorrect statement. Hardware acceleration of some things is disabled by default because of a security issue related to the way X11 works (it's complicated but in short, one window can "see through" to another window--even if it's an entirely different app). You can re-enable it via the prefs (forget the name but it's under "Performance") or just toggle `layers.acceleration.force-enabled` in `about:config`. Furthermore, acceleration is enabled by default for loads of things. It's just some certain WebGL features that aren't hardware accelerated. For example, when you play back a video it's going to use hardware acceleration by default (if the underlying library supports it).
  • throwaway2048 7y ago
    Firefox on Linux absolutely does not support hardware accelerated video playback https://bugzilla.mozilla.org/show_bug.cgi?id=1210726 https://bugzilla.mozilla.org/show_bug.cgi?id=1210726