Add support for older MaterialX versions.

Autodesk · Dec 5, 2024 · fe07c89 · fe07c89
1 parent 964f5c1
commit fe07c89
Showing 1 changed file with 10 additions and 7 deletions.
diff --git a/lib/mayaUsd/render/MaterialXGenOgsXml/ShaderGenUtil.cpp b/lib/mayaUsd/render/MaterialXGenOgsXml/ShaderGenUtil.cpp
@@ -152,13 +152,16 @@ void TopoNeutralGraph::computeGraph(const mx::ElementPtr& material, bool texture
 
             // In textured mode we traverse everything, but in untextured mode we only traverse PBR
             // level connections.
-            static const auto kPbrConnectionTypes
-                = std::set<std::string> { mx::BSDF_TYPE_STRING,
-                                          mx::EDF_TYPE_STRING,
-                                          mx::VDF_TYPE_STRING,
-                                          mx::SURFACE_SHADER_TYPE_STRING,
-                                          mx::DISPLACEMENT_SHADER_TYPE_STRING,
-                                          mx::VOLUME_SHADER_TYPE_STRING };
+            static const auto kPbrConnectionTypes = std::set<std::string>
+            {
+#if MX_COMBINED_VERSION >= 13807
+                mx::BSDF_TYPE_STRING, mx::EDF_TYPE_STRING, mx::VDF_TYPE_STRING,
+#else
+                "BSDF", "EDF", "VDF",
+#endif
+                    mx::SURFACE_SHADER_TYPE_STRING, mx::DISPLACEMENT_SHADER_TYPE_STRING,
+                    mx::VOLUME_SHADER_TYPE_STRING
+            };
 
             if (!textured && kPbrConnectionTypes.count(sourceInput->getType()) == 0) {
                 connectedNode = nullptr;