LitLightingModel.SpecularModel.ggx GGX (Trowbridge-Reitz) specular, a physically based microfacet model. Declarationcase ggx See AlsoChoosing a specular modelLitLightingModel.SpecularModel.anisotropicGGXLitLightingModel.SpecularModel.blinnPhongLitLightingModel.SpecularModel.sheen