Oh, and I did set the -dx12 flag on editor, and so far it seems ok, but I think the -dx12 flag is more psychologic then any thing 
(I don’t think it forces DirectX 12).
Oh, and I did set the -dx12 flag on editor, and so far it seems ok, but I think the -dx12 flag is more psychologic then any thing (I don’t think it forces DirectX 12).