Phoronix: Open Shading Language Continues Making Progress

Sony released the Open Shading Language in 2010 as "a small but rich language for programmable shading in advanced renderers and other applications." This simply wasn't a code drop of some no longer useful code to try to spark them some positive publicity, but OSL has kept advancing as an open-source shading language...

http://www.phoronix.com/vr.php?view=MTEyNzU