gloo: fixes to framebuffer (is this thing even tested?)
gloo: fixes to framebuffer
(is this thing even tested?)

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