properly cache missing uniform locations
properly cache missing uniform locations

ceseale/tangram,zerebubuth/tangram,rosamcgee/tangram,xvilan/tangram,DHaylock/tangram,zerebubuth/tangram,zerebubuth/tangram,xvilan/tangram,rosamcgee/tangram,ceseale/tangram,taylorhxu/tangram,taylorhxu/tangram,DHaylock/tangram,DHaylock/tangram,taylorhxu/tangram,TitoAgudelo/tangram,TitoAgudelo/tangram,tangrams/tangram,rosamcgee/tangram,tangrams/tangram,TitoAgudelo/tangram,xvilan/tangram,ceseale/tangram