rework GLSL samplers table
rework GLSL samplers table

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