[pixel shader]
float4 main() : SV_TARGET
{
    float4 arr[] = {10, 20, 30, 40, 50, 60, 70, 80};
    return arr[1];
}

[test]
todo draw quad
todo probe all rgba (50, 60, 70, 80)


[pixel shader fail]
float4 main() : SV_TARGET
{
    float4 arr[] = {10, 20, 30, 40, 50, 60, 70};
    return arr[0];
}