uniform float4x4 WorldViewProjection;

struct VSInput
{
    float4 Position: POSITION;
    float4 Color: COLOR;
};  

struct VSOutput
{
    float4 Position: POSITION;
    float4 Color: COLOR;
};  

VSOutput vsMain(VSInput Input)
{
    VSOutput Output;
    Output.Position = mul(WorldViewProjection, Input.Position);
    Output.Color = Input.Color;
    return Output;
}  

float4 psMain(VSOutput Output): COLOR
{
    return Output.Color;
}