After a snafu yesterday with the Google Melange web-site not listing all participating organizations, it turns out that the X.Org Foundation is in for the 2013 Google Summer of Code. Here's some of the possible X.Org/Mesa projects that might see some attention this summer...
April 9, 2013
X.Org/Mesa Might Get Better GLAMOR, GLSL, Shatter
Read more at Phoronix