3 ms·
If you go to about:support and scroll to the end of the graphics section you should see two entries: X11_EGL DMABUF and should say something like "available
by sweetsocks21 5y ago
If you go to about:support and scroll to the end of the graphics section you should see two entries:
X11_EGL
DMABUF
and should say something like "available by default"/enabled or similar wording. Otherwise it'll either say unsupported/disabled or will be missing.