protected extern bvec2 equal(uivec2 x, uivec2 y);
 protected extern bvec2 notEqual(uivec2 x, uivec2 y);
 protected extern bvec2 greaterThanEqual(uivec2 x, uivec2 y);
 protected extern bvec2 lessThanEqual(uivec2 x, uivec2 y);
 protected extern uivec2 clamp(uivec2 x, uint minVal, uint maxVal);
 protected extern uivec2 max(uivec2 x, uint y);
 protected extern uivec2 min(uivec2 x, uint y);