[UUM-113600] Add conditional shader renaming for Autodesk Interactive shaders to MaterialUpgrader

Author: mseonkim-unity

Packages/com.unity.render-pipelines.universal/Editor/Tools/MaterialUpgrader/UniversalRenderPipelineMaterialUpgrader.cs

@@ -20,7 +20,7 @@ internal sealed class UniversalRenderPipelineMaterialUpgrader : RenderPipelineCo
         List<string> m_AssetsToConvert = new List<string>();
 
         static List<MaterialUpgrader> m_Upgraders;
-        
+
         public UniversalRenderPipelineMaterialUpgrader()
         {
             m_Upgraders = MaterialUpgrader.FetchAllUpgradersForPipeline(typeof(UniversalRenderPipelineAsset));
@@ -543,6 +543,14 @@ public static void UpdateSurfaceBlendModes(Material material)
     /// </summary>
     public class AutodeskInteractiveUpgrader : MaterialUpgrader
     {
+        enum LegacyRenderingMode
+        {
+            Opaque,
+            Cutout,
+            Fade,   // Old school alpha-blending mode, fresnel does not affect amount of transparency
+            Transparent // Physically plausible transparency mode, implemented as alpha pre-multiply
+        }
+
         /// <summary>
         /// Constructor for the autodesk interactive upgrader.
         /// </summary>
@@ -564,6 +572,25 @@ public override void Convert(Material srcMaterial, Material dstMaterial)
             dstMaterial.SetFloat("_UseAoMap", srcMaterial.GetTexture("_OcclusionMap") ? 1.0f : .0f);
             dstMaterial.SetVector("_UvOffset", srcMaterial.GetTextureOffset("_MainTex"));
             dstMaterial.SetVector("_UvTiling", srcMaterial.GetTextureScale("_MainTex"));
+
+            var legacyRenderingMode = (LegacyRenderingMode)srcMaterial.GetFloat("_Mode");
+            switch (legacyRenderingMode)
+            {
+                case LegacyRenderingMode.Opaque:
+                    RenameShader(OldShaderPath, GraphicsSettings.GetRenderPipelineSettings<UniversalRenderPipelineEditorShaders>().autodeskInteractiveShader.name, UniversalRenderPipelineMaterialUpgrader.DisableKeywords);
+                    break;
+                case LegacyRenderingMode.Cutout:
+                    RenameShader(OldShaderPath, GraphicsSettings.GetRenderPipelineSettings<UniversalRenderPipelineEditorShaders>().autodeskInteractiveMaskedShader.name, UniversalRenderPipelineMaterialUpgrader.DisableKeywords);
+                    dstMaterial.SetFloat("_UseOpacityMap", .0f);
+                    dstMaterial.SetFloat("_OpacityThreshold", srcMaterial.GetFloat("_Cutoff"));
+                    break;
+                case LegacyRenderingMode.Fade:
+                case LegacyRenderingMode.Transparent:
+                    RenameShader(OldShaderPath, GraphicsSettings.GetRenderPipelineSettings<UniversalRenderPipelineEditorShaders>().autodeskInteractiveTransparentShader.name, UniversalRenderPipelineMaterialUpgrader.DisableKeywords);
+                    dstMaterial.SetFloat("_UseOpacityMap", .0f);
+                    dstMaterial.SetFloat("_Opacity", srcMaterial.GetColor("_Color").a);
+                    break;
+            }
         }
     }
 }

Packages/com.unity.render-pipelines.universal/Shaders/AutodeskInteractive/AutodeskInteractiveMasked.shadergraph

@@ -88,7 +88,7 @@
             "typeInfo": {
                 "fullName": "UnityEditor.ShaderGraph.BooleanShaderProperty"
             },
-            "JSONnodeData": "{\n    \"m_Name\": \"UseOpacityMap\",\n    \"m_GeneratePropertyBlock\": true,\n    \"m_Guid\": {\n        \"m_GuidSerialized\": \"86ed0329-e72d-4828-b2fe-4f3d4ba88ac4\"\n    },\n    \"m_DefaultReferenceName\": \"Boolean_8A2B8817\",\n    \"m_OverrideReferenceName\": \"\",\n    \"m_Precision\": 0,\n    \"m_Value\": false,\n    \"m_Hidden\": false\n}"
+            "JSONnodeData": "{\n    \"m_Name\": \"UseOpacityMap\",\n    \"m_GeneratePropertyBlock\": true,\n    \"m_Guid\": {\n        \"m_GuidSerialized\": \"86ed0329-e72d-4828-b2fe-4f3d4ba88ac4\"\n    },\n    \"m_DefaultReferenceName\": \"_UseOpacityMap\",\n    \"m_OverrideReferenceName\": \"\",\n    \"m_Precision\": 0,\n    \"m_Value\": false,\n    \"m_Hidden\": false\n}"
         },
         {
             "typeInfo": {