struct VertexOutput { @builtin(position) pos : vec4<f32>, @location(0) @interpolate(flat) loc0 : i32, } fn foo(x : f32) -> VertexOutput { return VertexOutput(vec4<f32>(x, x, x, 1.0), 42); } @vertex fn vert_main1() -> VertexOutput { return foo(0.5); } @vertex fn vert_main2() -> VertexOutput { return foo(0.25); }