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1. Re: Substance Designer Metal/Roughness to Spec/Gloss Converter

   

   Reply by gnoop · Apr 2020 · Home› Adobe Substance

   It all depends on what your target shader is going to do. Typically metal/roughness PBR uses GGX kind of highlight shaping and calculates shape and intensity of highlight spot + fresnel styled environment reflection on its own. Nothing prevents you from doing same manually having same GGX highlight shaping and proper…

2. Substance Designer Metal/Roughness to Spec/Gloss Converter

   

   

   Topic by arnareli · Apr 2020 · Home› Adobe Substance

   Hey everyone, I'm currently working on a material in Substance Designer that I need to get a Specular and Glossiness outputs from. I started the material with the PBR Metallic/Roughness preset and made the full material and now I need the spec gloss maps and I'm using the Basecolor/Metallic/Roughness Converter node, I…

3. Re: Substance Designer Metal/Roughness to Spec/Gloss Converter

   

   Reply by poopipe · Apr 2020 · Home› Adobe Substance

   Is this pbr spec/gloss? (in which case you can do a perfectly good conversion minus specific dielectric specular values) Or Is this old school blinn/phong style shading? (in which case, eyeball it) 

4. Re: Substance Designer Metal/Roughness to Spec/Gloss Converter

   

   Reply by rollin · Apr 2020 · Home› Adobe Substance

   Well.. this is not "incorrect" but it's also not perfect. It's the way allegorithmic went with the specular conversion. The problem is that you can not physically correctly transfer the one into the other as the one is not physically correct. The best solution I have found yet is to output an extra channel "my custom spec…