Fixed valgrind warning about uninitialized value (though OpenGL inits it).
Fixed valgrind warning about uninitialized value (though OpenGL inits it).
neozero497/sdl-gpu,weimingtom/sdl-gpu,neozero497/sdl-gpu,weimingtom/sdl-gpu,DataFighter/sdl-gpu,DataFighter/sdl-gpu,weimingtom/sdl-gpu,neozero497/sdl-gpu,DataFighter/sdl-gpu