[[group(1), binding(0)]] var t : texture_2d<i32>;

[[group(1), binding(1)]] var s : sampler;

[[stage(fragment)]]
fn main() {
  var res : vec4<i32> = textureGather(0, t, s, vec2<f32>());
}
