struct UBO { dynamic_idx: i32; }; [[group(0), binding(0)]] var ubo: UBO; struct S { data: array; }; struct Result { out: i32; }; [[group(0), binding(1)]] var result: Result; var s : S; [[stage(compute), workgroup_size(1)]] fn f() { result.out = s.data[ubo.dynamic_idx]; }