Add pixel size as uniform
Add pixel size as uniform

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