empaempa/GLOW — pull request #28 by skinner (2014-03-01 22:11:21+00:00)
Title: add bufferSubData to Attribute, rebuild

This pull request adds a bufferSubData method to Attribute, which assumes that the buffer already exists and errors otherwise.

I'm not sure how best to handle edge/error cases here, or how well bufferSubData fits into the way that GLOW.Attribute expects to do things. So if you have feedback about how this should be done differently, I'm happy to revise.