http://alephnull.net/software/firefox_gpu_acceleration.shtml

zum prüfen unterstützter Videoformate

vainfo
eglinfo -B | grep -C2 'EGL vendor string:'

in Librewolf:
about:config

gfx

gfx.webrender.all           true
layers.gpu-process.enabled  true    (testeinstellung)
layers.mlgpu.enabled        Bollean
media.ffmpeg.vaapi.enabled  true    (test)
media.gpu-process-decoder   true    (test)
media.rdd-ffmpeg.enabled    true
widget.dmabuf.force-enabled true    (test)
Optional
dom.webgpu.enabled          true    (test)

TODO Fehlerausgabe Prüfen
eglinfo -B | grep -C2 'EGL vendor string:'

Platform Device platform:
EGL API version: 1.5
EGL vendor string: Mesa Project
EGL version string: 1.5
EGL client APIs: OpenGL OpenGL_ES
libEGL warning: egl: failed to create dri2 screen
libEGL warning: egl: failed to create dri2 screen