struct Uniforms {
i : u32,
j : u32,
};
@group(1) @binding(4) var<uniform> uniforms : Uniforms;
var<private> m1 : mat2x4<f32>;
@stage(compute) @workgroup_size(1)
fn main() {
m1[uniforms.i] = vec4<f32>(1.0);
}