cedricpinson/osgjs — pull request #167 by Kuranes (2014-10-31 11:03:18+00:00)
Title: Adds failSafe shader that will work every where whenever a shader fails ...

...to compile, thus not looping forever on that shader error and cluttering the console and the devtools cpu usage.
Advanced User should be able to override Shader.VS_DBG and Shader.FS_DBG to other shader if need be.
(in production, you'll avoid transforming vertex and output in negative depth)