Add int sampler buffer support for matching storage types
Add int sampler buffer support for matching storage types

JohnColanduoni/gfx,davll/gfx,JohnColanduoni/gfx,tanderegg/gfx,Bastacyclop/gfx,ColinKinloch/gfx,ColinKinloch/gfx,gfx-rs/gfx-rs,sectopod/gfx-rs,aepsil0n/gfx-rs,tanderegg/gfx