
Lambertian diffuse term

Cook-Torrence: only specular term with metallic = 1.0f and roughness = 0.5

Microfacet material model: GGX NDF, Smiths shadowing masking term, Fresnel term with schlicks approximation

Blinn material with default light intensity values

Phong material with default light intensity values

Cook torrence: specular term, incorrect Gamma correction added gamma correction to already srgb color values