Last February I wrote of enabling DRI on my laptop with a few tweaks to my /boot/confconf/conf to get it working. I was not able to get DRI working when uncommented in my xconfconf.org. I could see what kernel modules were loaded: When I installed DRI 53 was not working when I simply uncommented it in my AGP. Using kldstat and glxgears -info: DRI Rage 128 Mobility 20030328 AGP 1x x86/MMX/SSE/XSE and Mesa 5.0.”]
Source: https://taosecurity.blogspot.com/2004/12/enabling-dri-on-freebsd-last-february.html