It depends.....on what "open carry" and "concealed carry" are defined as.....
I see "open carry" as a way to wedge out the CHL permit (and cost to exercise a SCOTUS-affirmed RKBA) system and have a Vermont-style carry (concealed or open) in Texas. After all...if you're carrying concealed & no one sees it, no biggie. If it's exposed, it's now open carry....