struct Vertex {
    float4 pos : POSITION;
    float4 col : COLOR;
};

struct VSOut {
    float4 pos : SV_POSITION;
    float4 col : COLOR;
};

VSOut MainVS(Vertex v) {
    VSOut o;
    o.pos = v.pos;
    o.col = v.col;
    return o;
}

float4 MainPS(VSOut i) : SV_TARGET {
    return i.col;
}