The session synopsis was previously covered on Phoronix within Intel, AMD, NVIDIA Working To Reduce OpenGL Overhead. I was at this GDC session in San Francisco today thanks to AMD. While I will have more of my GDC 2014 write-ups later (including AMD's changing Linux strategy), the slides of this interesting presentation have now been posted online.
If you're interested in approaching zero driver overhead driver for Intel/AMD/NVIDIA hardware with your OpenGL game or application, you can view the slides right now on SlideShare.net. A video presentation of this talk is also expected later with this being a sponsored session by NVIDIA at the Game Developer's Conference.