Fix for 1292501

Chris Tchou · Chris Tchou · commit 0104bdded0e3 · 2020-11-28T11:40:24.000-08:00
diff --git a/com.unity.render-pipelines.high-definition/Editor/Material/ShaderGraph/HDShaderPasses.cs b/com.unity.render-pipelines.high-definition/Editor/Material/ShaderGraph/HDShaderPasses.cs
@@ -170,6 +170,7 @@ static public PassDescriptor GenerateShadowCaster(bool supportLighting)
                     BlockFields.SurfaceDescription.AlphaClipThreshold,
                     HDBlockFields.SurfaceDescription.AlphaClipThresholdShadow,
                     HDBlockFields.SurfaceDescription.DepthOffset,
+                    HDBlockFields.SurfaceDescription.DiffusionProfileHash   // not used, but keeps the UnityPerMaterial cbuffer identical
                 },
 
                 // Collections
@@ -547,13 +548,15 @@ public static PassDescriptor GenerateTransparentDepthPrepass(bool supportLightin
                         BlockFields.SurfaceDescription.NormalWS,
                         BlockFields.SurfaceDescription.NormalOS,
                         BlockFields.SurfaceDescription.Smoothness,
+                        HDBlockFields.SurfaceDescription.DiffusionProfileHash   // not used, but keeps the UnityPerMaterial cbuffer identical
                     } :
                     new BlockFieldDescriptor[]
                     {
                         BlockFields.SurfaceDescription.Alpha,
                         HDBlockFields.SurfaceDescription.AlphaClipThresholdDepthPrepass,
                         BlockFields.SurfaceDescription.AlphaClipThreshold,
                         HDBlockFields.SurfaceDescription.DepthOffset,
+                        HDBlockFields.SurfaceDescription.DiffusionProfileHash   // not used, but keeps the UnityPerMaterial cbuffer identical
                     },
 
                 // Collections
