text: // Copyright (c) 2021 - present Advanced Micro Devices, Inc. All rights reserved.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  
  #ifndef TREE_NODE_2D_H
  #define TREE_NODE_2D_H
  
  #include "node_factory.h"
  #include "tree_node.h"
  
  /*****************************************************
   * 2D_RTRT  *
   *****************************************************/
  class RTRT2DNode : public InternalNode
  {
      friend class NodeFactory;
  
  protected:
      explicit RTRT2DNode(TreeNode* p)
          : InternalNode(p)
      {
          scheme = CS_2D_RTRT;
      }
  #if !GENERIC_BUF_ASSIGMENT
      void AssignBuffers_internal(TraverseState&   state,
                                  OperatingBuffer& flipIn,
                                  OperatingBuffer& flipOut,
                                  OperatingBuffer& obOutBuf) override;
  #endif
      void AssignParams_internal() override;
      void BuildTree_internal() override;
  };
  
  /*****************************************************
   * 2D_RC  *
   *****************************************************/
  class RC2DNode : public InternalNode
  {
      friend class NodeFactory;
  
  protected:
      explicit RC2DNode(TreeNode* p)
          : InternalNode(p)
      {
          scheme = CS_2D_RC;
      }
  #if !GENERIC_BUF_ASSIGMENT
      void AssignBuffers_internal(TraverseState&   state,
                                  OperatingBuffer& flipIn,
                                  OperatingBuffer& flipOut,
                                  OperatingBuffer& obOutBuf) override;
  #endif
      void AssignParams_internal() override;
      void BuildTree_internal() override;
  };
  
  /*****************************************************
   * CS_KERNEL_2D_SINGLE  *
   *****************************************************/
  class Single2DNode : public LeafNode
  {
      friend class NodeFactory;
  
  protected:
      Single2DNode(TreeNode* p, ComputeScheme s)
          : LeafNode(p, s)
      {
          externalKernel = true;
          need_twd_table = true;
      }
  
      void SetupGPAndFnPtr_internal(DevFnCall& fnPtr, GridParam& gp) override;
  
  public:
      bool CreateTwiddleTableResource() override;
  };
  
  #endif // TREE_NODE_2D_H
  