Fixes shader errors
Fixes shader errors

kkuunnddaannkk/osgjs,cedricpinson/osgjs,gideonmay/osgjs,hishamabdelrahman/osgjs,kkuunnddaannkk/osgjs,jtorresfabra/osgjs,gideonmay/osgjs,cedricpinson/osgjs,jtorresfabra/osgjs,jmirabel/osgjs,jtorresfabra/osgjs,jmirabel/osgjs,gideonmay/osgjs,hishamabdelrahman/osgjs,jmirabel/osgjs,hishamabdelrahman/osgjs,cedricpinson/osgjs,kkuunnddaannkk/osgjs