const static float4 vertexPos[] = {
    float4(0.0f, 0.5f, 0.5f, 1.0f),
    float4(-0.5f, -0.5f, 0.5f, 1.0f),
    float4(0.5f, -0.5f, 0.5f, 1.0f),
};
const static float4 vertexColors[] = {
    float4(1.0f, 0.0f, 0.0f, 1.0f),
    float4(0.0f, 1.0f, 0.0f, 1.0f),
    float4(0.0f, 0.0f, 1.0f, 1.0f),
};

struct VertexOut {
    float4 outPosition : SV_Position;
    float4 vertexColor : CoarseColor;
};

[shader("vertex")]
VertexOut VertexMain(
    uint vertexId: SV_VertexID
) {
    VertexOut output;
    output.outPosition = vertexPos[vertexId];
    output.vertexColor = vertexColors[vertexId];
    return output;
}

[shader("fragment")]
float4 FragmentMain(
    float4 interpolatedColors: CoarseColor,
) : SV_Target0 {
    return float4(interpolatedColors.rgb, 1.0f);
}