#include #include using namespace metal; struct Inputs { }; struct Outputs { float4 sk_Position [[position]]; int id [[user(locn1)]]; float sk_PointSize [[point_size]]; }; vertex Outputs vertexMain(Inputs _in [[stage_in]], uint sk_VertexID [[vertex_id]], uint sk_InstanceID [[instance_id]]) { Outputs _out; (void)_out; _out.id = sk_VertexID; return _out; }