Fix draw mode / index buffer
Fix draw mode / index buffer

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