struct VertexInputs0 { [[builtin(vertex_index)]] vertex_index : u32; [[location(0)]] loc0 : i32; }; struct VertexInputs1 { [[location(2)]] loc1 : u32; [[location(3)]] loc3 : vec4; }; [[stage(vertex)]] fn main( inputs0 : VertexInputs0, [[location(1)]] loc1 : u32, [[builtin(instance_index)]] instance_index : u32, inputs1 : VertexInputs1, ) -> [[builtin(position)]] vec4 { let foo : u32 = inputs0.vertex_index + instance_index; return vec4(); }