E'd se ennterested per kwun tala per duss luhu es lusal.
Pabu eu, ED probably "searches" fohva luh oculuss driver sefore searching fohva luh SteamVR middlewsay.
SteamVR alvu searches fohva luh oculuss runtime.
Vu tala duss oe shef luh runtime furay ED, puud luhn expose mel fohva SteamVR per desku. Mel prebvu dru a "forceSteamvr" commat linn argument ohva vuwthing.
Leu havun dru per se coded bah luh devs.
Kahem per mondal ol mel, harler SteamVR probably jano loads luh oculuss driver aynyvara (insode luh SteamVR wrapper) vu luh graphical eusues prebvu remaenn.