impl per-vertex lighting
impl per-vertex lighting

kkuunnddaannkk/vispy,inclement/vispy,Eric89GXL/vispy,sbtlaarzc/vispy,inclement/vispy,jay3sh/vispy,bollu/vispy,jdreaver/vispy,RebeccaWPerry/vispy,srinathv/vispy,Eric89GXL/vispy,ghisvail/vispy,RebeccaWPerry/vispy,sh4wn/vispy,QuLogic/vispy,inclement/vispy,srinathv/vispy,drufat/vispy,Eric89GXL/vispy,jay3sh/vispy,julienr/vispy,jay3sh/vispy,drufat/vispy,QuLogic/vispy,srinathv/vispy,julienr/vispy,ghisvail/vispy,ghisvail/vispy,RebeccaWPerry/vispy,jdreaver/vispy,sh4wn/vispy,dchilds7/Deysha-Star-Formation,julienr/vispy,drufat/vispy,kkuunnddaannkk/vispy,dchilds7/Deysha-Star-Formation,QuLogic/vispy,bollu/vispy,bollu/vispy,kkuunnddaannkk/vispy,sbtlaarzc/vispy,sbtlaarzc/vispy,michaelaye/vispy,michaelaye/vispy,jdreaver/vispy,michaelaye/vispy,dchilds7/Deysha-Star-Formation,sh4wn/vispy