The question is -What's going to happen to religions that object to performing gay marriages?
Persecution, for all but Islam.
"Let the one who does wrong, still do wrong; and the one who is filthy, still be filthy; and let the one who is righteous, still practice righteousness; and the one who is holy, still keep himself holy."
"Behold, I am coming quickly, and My reward is with Me, to render to every man according to what he has done.…"(Rev 22:11,12)