@group(1) @binding(0) var arg_0 : texture_multisampled_2d<f32>;

fn textureNumSamples_2c6f14() {
  var res : i32 = textureNumSamples(arg_0);
}

@stage(vertex)
fn vertex_main() -> @builtin(position) vec4<f32> {
  textureNumSamples_2c6f14();
  return vec4<f32>();
}

@stage(fragment)
fn fragment_main() {
  textureNumSamples_2c6f14();
}

@stage(compute) @workgroup_size(1)
fn compute_main() {
  textureNumSamples_2c6f14();
}
