Thanks for the explanations.
> As per the inout, this states the parameter into the function is both an
> input and an output. I set the version for my shader to something like 4.5 in
> compatibility mode. The function was called last in my shader.
I was just asking how do you get the value of color parameter passed to the
function not the meaning of "inout" (I already read that from documentation ;))
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