$ glxinfo | grep rendering
direct rendering: Yes
anche se poi ottengo una sfilza di questi messaggi in coda:
64 GLX Visuals
visual x bf lv rg d st colorbuffer ax dp st accumbuffer ms cav
id dep cl sp sz l ci b ro r g b a bf th cl r g b a ns b eat
----------------------------------------------------------------------
0x21 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0x22 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0xdd 24 tc 0 24 0 r . . 8 8 8 0 0 0 0 0 0 0 0 0 0 None
0xde 24 tc 0 24 0 r . . 8 8 8 0 0 0 0 16 16 16 0 0 0 Slow
0xdf 24 tc 0 24 0 r y . 8 8 8 0 0 0 0 0 0 0 0 0 0 None
0xe0 24 tc 0 24 0 r y . 8 8 8 0 0 0 0 16 16 16 0 0 0 Slow
0xe1 24 tc 0 24 0 r . . 8 8 8 0 0 0 8 0 0 0 0 0 0 None
0xe2 24 tc 0 24 0 r . . 8 8 8 0 0 0 8 16 16 16 0 0 0 Slow
0xe3 24 tc 0 24 0 r y . 8 8 8 0 0 0 8 0 0 0 0 0 0 None
0xe4 24 tc 0 24 0 r y . 8 8 8 0 0 0 8 16 16 16 0 0 0 Slow
0xe5 24 tc 0 24 0 r . . 8 8 8 0 0 24 0 0 0 0 0 0 0 None
quel "none" e "slow" non mi piacciono molto.