group_nodes.h

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/* SPDX-FileCopyrightText: 2011-2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "node_parser.h"
 
/* TODO: #pxr::UsdMtlxRead() doesn't perform node-graphs.
 * Uncomment USE_MATERIALX_NODEGRAPH after fixing it. */
// #define USE_MATERIALX_NODEGRAPH
 
namespace blender::nodes::materialx {
 
class GroupInputNodeParser;
 
class GroupNodeParser : public NodeParser {
  friend GroupInputNodeParser;
 
 protected:
  bool use_group_default_;
 
 public:
  GroupNodeParser(NodeGraph &graph,
                  const bNode *node,
                  const bNodeSocket *socket_out,
                  NodeItem::Type to_type,
                  GroupNodeParser *group_parser,
                  bool use_group_default);
  NodeItem compute() override;
  NodeItem compute_full() override;
};
 
class GroupOutputNodeParser : public GroupNodeParser {
 public:
  using GroupNodeParser::GroupNodeParser;
  NodeItem compute() override;
  NodeItem compute_full() override;
 
 private:
  static std::string out_name(const bNodeSocket *out_socket);
};
 
class GroupInputNodeParser : public GroupNodeParser {
 public:
  using GroupNodeParser::GroupNodeParser;
  NodeItem compute() override;
  NodeItem compute_full() override;
 
 private:
  std::string in_name() const;
};
 
}  // namespace blender::nodes::materialx