kripken/emscripten — pull request #1999 by juj (2014-01-10 13:01:20+00:00)
Title: GL prepareClientAttributes.

Optimize GL emulation prepareClientAttributes. Fix issues where the slow path was not able to handle unaligned source data. Annotate some unsupported cases. Remove liveClientAttributes, which does not seem to be a win in profiles.