1enable dual_source_blending;23struct FragmentOutput {4 @location(0) @blend_src(0) source0_: vec4<f32>,5 @location(0) @blend_src(1) source1_: vec4<f32>,6}78@fragment9fn fragment(10 @builtin(position) frag_coord: vec4<f32>,11) -> FragmentOutput {12 return FragmentOutput(frag_coord, frag_coord);13}