https://bugs.freedesktop.org/show_bug.cgi?id=35257
--- Comment #9 from Matt Turner mattst88@gmail.com 2011-03-14 21:26:25 PDT --- (In reply to comment #7)
We were able to give some suggestions to the gnome shell developers to get the shader to fit. The optimization that is missing is pre-computing of equivalent expressions (not sure what the technical term is).
Common subexpression elimination.