bumpoffset in material function?

bumpoffset node have to be linked to a UV pin to work.
but in my material function I found no way to use this because the texture object doesn’t have a UV pin.
Im making materials for the landscape and now the world aligned texture node(used to blend different size based on distance) only works for texture sample.
So how can I make the bumpoffset work in the material function?
wish anyone can help me thx:D