Update to test/_opengl/usampler2D to draw alternating lines
Update to test/_opengl/usampler2D to draw alternating lines

sosolimited/Cinder,morbozoo/sonyHeadphones,2666hz/Cinder,morbozoo/sonyHeadphones,2666hz/Cinder,sosolimited/Cinder,morbozoo/sonyHeadphones,sosolimited/Cinder,sosolimited/Cinder,2666hz/Cinder,2666hz/Cinder,morbozoo/sonyHeadphones