Fix game of life to use RGB textures. Some drivers cannot render to LUMINANCE textures.
Fix game of life to use RGB textures.
Some drivers cannot render to LUMINANCE textures.

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