source/blender/nodes/shader/materialx/nodes/node_item.cc

@@ -16,13 +16,15 @@ NodeItem NodeItem::empty() const
   return NodeItem(graph_);
 }
 
-void NodeItem::set_input(const std::string &name, const NodeItem &item)
+void NodeItem::set_input(const std::string &name,
+                         const NodeItem &item,
+                         const std::string &output_name)
 {
   if (item.value) {
     set_input(name, item.value);
   }
   else if (item.node) {
-    set_input(name, item.node);
+    set_input(name, item.node, output_name);
   }
 }
 
@@ -58,9 +60,19 @@ void NodeItem::set_input(const std::string &name, const MaterialX::ValuePtr valu
   }
 }
 
-void NodeItem::set_input(const std::string &name, const MaterialX::NodePtr node)
+void NodeItem::set_input(const std::string &name,
+                         const MaterialX::NodePtr node,
+                         const std::string &output_name)
 {
   this->node->setConnectedNode(name, node);
+  if (output_name != "") {
+    this->node->setConnectedOutput("in1", node->getOutput(output_name));
+  }
+}
+
+void NodeItem::add_output(const std::string &name, const std::string &mx_type)
+{
+  node->addOutput(name, mx_type);
 }
 
 NodeItem::operator bool() const

source/blender/nodes/shader/materialx/nodes/node_item.h

@@ -25,9 +25,14 @@ class NodeItem {
 
   template<class T>
   void set_input(const std::string &name, const T &value, const std::string &mx_type);
-  void set_input(const std::string &name, const NodeItem &item);
+  void set_input(const std::string &name,
+                 const NodeItem &item,
+                 const std::string &output_name = "");
   void set_input(const std::string &name, const MaterialX::ValuePtr value);
-  void set_input(const std::string &name, const MaterialX::NodePtr node);
+  void set_input(const std::string &name,
+                 const MaterialX::NodePtr node,
+                 const std::string &output_name = "");
+  void add_output(const std::string &name, const std::string &mx_type);
 
   operator bool() const;
   NodeItem operator+(const NodeItem &other) const;

source/blender/nodes/shader/materialx/nodes/tex_checker.cc

@@ -4,48 +4,40 @@
 
 #include "node_parser.h"
 
-#include "hydra/image.h"
-
 namespace blender::nodes::materialx {
 
 NodeItem TexCheckerNodeParser::compute()
 {
   NodeItem scale = get_input_value("Scale");
+  NodeItem color1 = get_input_value("Color1");
+  NodeItem color2 = get_input_value("Color2");
+
   if (scale.value && scale.type() == "float") {
     float v = scale.value->asA<float>();
     scale = value(MaterialX::Vector2(v, v));
   }
-  NodeItem color1 = get_input_value("Color1");
-  NodeItem color2 = get_input_value("Color2");
+  /* Modifier to follow Cycles result */
+  scale = scale * value(4.0f);
 
   NodeItem texcoord = create_node("texcoord", "vector2");
-  NodeItem frequency = create_node("constant", "vector2");
-
-  /* Modifier to follow Cycles result. */
-  scale = scale * value(4.0f);
-  frequency.set_input("value", scale);
-
-  //NodeItem offset = create_node("constant", "vector2");
-  //offset.set_input("value", value(MaterialX::Vector2(0.0f, 0.0f)));
-
   NodeItem place2d = create_node("place2d", "vector2");
-  place2d.set_input("texcoord", texcoord * frequency);
-  //place2d.set_input("offset", offset);
+  place2d.set_input("texcoord", texcoord * scale);
+
+  /* TODO: fix offset:
+   * place2d.set_input("offset", offset); */
 
   NodeItem separate = create_node("separate2", "multioutput");
   separate.set_input("in", place2d);
-  separate.node->addOutput("outx", "float");
-  separate.node->addOutput("outy", "float");
+  separate.add_output("outx", "float");
+  separate.add_output("outy", "float");
 
   NodeItem modulo_x = create_node("modulo", "float");
-  modulo_x.set_input("in1", separate);
+  modulo_x.set_input("in1", separate, "outx");
   modulo_x.set_input("in2", value(2.0f));
-  modulo_x.node->setConnectedOutput("in1", separate.node->getOutput("outx"));
 
   NodeItem modulo_y = create_node("modulo", "float");
-  modulo_y.set_input("in1", separate);
+  modulo_y.set_input("in1", separate, "outy");
   modulo_y.set_input("in2", value(2.0f));
-  modulo_y.node->setConnectedOutput("in1", separate.node->getOutput("outy"));
 
   NodeItem ifequal =
       (modulo_x.floor() + modulo_y.floor()).if_else("==", value(1.0f), value(0.0f), value(1.0f));

source/blender/nodes/shader/materialx/nodes/tex_noise.cc

@@ -4,18 +4,17 @@
 
 #include "node_parser.h"
 
-#include "hydra/image.h"
-
 namespace blender::nodes::materialx {
 
 NodeItem TexNoiseNodeParser::compute()
 {
   NodeItem scale = get_input_value("Scale");
   NodeItem detail = get_input_value("Detail");
+  NodeItem lacunarity = get_input_value("Lacunarity");
+
   if (detail.value && detail.type() == "float") {
     detail = value(int(detail.value->asA<float>()));
   }
-  NodeItem lacunarity = get_input_value("Lacunarity");
 
   NodeItem texcoord = create_node("position", "vector3");