texture-integer-glsl130: Make sure we use usampler for ui textures.
Fixes failure on VC5 because we would sign-extend 16ui. Sampling ui with isampler is undefined according to the table under "8.7 Texture Lookup Functions" in the 1.30 spec. Reviewed-by: Ilia Mirkin <firstname.lastname@example.org>
Showing with 26 additions and 14 deletions