xdpyinfo
xvinfo
glxinfo

# test:
glxgears 

nvidia-settings

/etc/X11/xorg.conf
/usr/lib/xorg/modules/extensions/libglx.so

# nVidia gadījumā:
/usr/lib/xorg/modules/extensions/libglx.so.1.0.9629
un libglx.so ir simbolisks links uz libglx.so.1.0.9629

pamēģini iekš xine setiings-setup xv vietā ielikt Xshm

un mplayer pamēģini palaist ar "-vo x11"

• Labs skaidrojums: dri-explanation local copy: there
• Wikipedia XWindowSystem
• Wikipedia X video extension often abbreviated as XVideo or Xv
• freedesktop.org
• X.Org Foundation
• Direct Rendering Open Source Project
• DRI Control Flow Diagram