Can anyone explain to me how I can get hardware acceleration to work in Firefox running on Debian? I have tried both default the packaged ESR and the the latest Firefox release directly form Mozilla.
All I ever get is “blocked by platform” in about:support and I have tried everything suggested in the Debian and Arch wiki. 🤷
https://wiki.debian.org/Firefox#Hardware_Video_Acceleration
https://wiki.archlinux.org/title/Firefox#Hardware_video_acceleration
Running Debian 12 / Bookworm, Xfce, using Intel HD Graphics 530 (I’m using an Intel Core i7-6820HQ).
Edit: Looks like I found the cause for my problems: https://discuss.tchncs.de/comment/474822
Well, looks like I have found the cause: the
TearFreeset totrueappears to block HW compositing / acceleration in Firefox: https://wiki.archlinux.org/title/intel_graphics#Tearing I have now removed the config file and hardware accelerated video decoding now works just fine while running both Xfce and KDE Plasma.Thanks for all the input!