test/shader_io/fragment_output_locations.wgsl

[[stage(fragment)]]
fn main0() -> [[location(0)]] i32 {
  return 1;
}

[[stage(fragment)]]
fn main1() -> [[location(1)]] u32 {
  return 1u;
}

[[stage(fragment)]]
fn main2() -> [[location(2)]] f32 {
  return 1.0;
}

[[stage(fragment)]]
fn main3() -> [[location(3)]] vec4<f32> {
  return vec4<f32>(1.0, 2.0, 3.0, 4.0);
}