Yeah. This is where the term Specular Power(Gloss) and Roughness are different. If you need to, you convert from a classic specular power, to a roughness value with some simple math. :) // Roughness parameter to a Blinn-Phong specular powerfloat RoughnessToSpecPower(float m) { return 2.0f / (m * m) - 2.0f;}// Blinn-Phong…