$ grep -i dri /var/log/Xorg.0.log |grep -vE "driver|drmOpenDevice"
        X.Org Video Driver: 0.8
        ABI class: X.Org Video Driver, version 0.8
        ABI class: X.Org Video Driver, version 0.8
        ABI class: X.Org Video Driver, version 0.8
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
(II) Loading extension XFree86-DRI
        ABI class: X.Org Video Driver, version 0.8
        ABI class: X.Org Video Driver, version 0.8
        Module class: X.Org Video Driver
        ABI class: X.Org Video Driver, version 0.7
        Module class: X.Org XInput Driver
        Module class: X.Org XInput Driver
        Module class: X.Org XInput Driver
(II) ATI Proprietary Linux Driver Version Identifier:8.25.18
(II) ATI Proprietary Linux Driver Release Identifier: LGDr8.25g1 
(II) ATI Proprietary Linux Driver Build Date: May 18 2006 09:54:44
        ABI class: X.Org Video Driver, version 0.8
        ABI class: X.Org Video Driver, version 0.8
        ABI class: X.Org Video Driver, version 0.8
(==) fglrx(0): NoDRI = NO
(==) fglrx(0): OpenGL ClientDriverName: "fglrx_dri.so"
(II) Loading extension ATIFGLRXDRI
(II) fglrx(0): doing DRIScreenInit
(II) fglrx(0): DRIScreenInit done
(II) fglrx(0): DRI initialization successfull!
(II) fglrx(0): [DRI] installation complete