GPU Computing in Cesium

Hi folks,

Sean Lilley, one of our new team members, wrote an under-the-hood tech article on the new GPU Computing (using WebGL for non-graphics general parallel programming) infrastructure in Cesium:

http://cesiumjs.org/2015/09/22/Compute-Pass/

Note that this is not part of the public Cesium API; it is an implementation detail of the renderer.

Patrick