vtkOSPRayPolyDataMapperNode.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkOSPRayPolyDataMapperNode.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkOSPRayPolyDataMapperNode_h
#define vtkOSPRayPolyDataMapperNode_h
 
#include "vtkOSPRayCache.h" // For common cache infrastructure
#include "vtkPolyDataMapperNode.h"
#include "vtkRenderingRayTracingModule.h" // For export macro
 
class vtkOSPRayActorNode;
class vtkPolyData;
 
class VTKRENDERINGRAYTRACING_EXPORT vtkOSPRayPolyDataMapperNode : public vtkPolyDataMapperNode
{
public:
  static vtkOSPRayPolyDataMapperNode* New();
  vtkTypeMacro(vtkOSPRayPolyDataMapperNode, vtkPolyDataMapperNode);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  virtual void Render(bool prepass) override;
 
  virtual void Invalidate(bool prepass) override;
 
protected:
  vtkOSPRayPolyDataMapperNode();
  ~vtkOSPRayPolyDataMapperNode() override;
 
  void ORenderPoly(void* renderer, vtkOSPRayActorNode* aNode, vtkPolyData* poly,
    double* ambientColor, double* diffuseColor, double opacity, std::string material);
 
  class vtkOSPRayCacheItemGeometries
  {
  public:
    vtkOSPRayCacheItemGeometries() = default;
    vtkOSPRayCacheItemGeometries(const std::vector<OSPGeometry>& geometries_)
      : GeometriesAtTime(geometries_)
    {
    }
 
    ~vtkOSPRayCacheItemGeometries() = default;
 
    std::vector<OSPGeometry> GeometriesAtTime;
  };
 
  std::vector<OSPGeometry> Geometries;
  void ClearGeometries();
 
  vtkOSPRayCache<vtkOSPRayCacheItemGeometries>* GeometryCache{ nullptr };
  vtkOSPRayCache<vtkOSPRayCacheItemObject>* InstanceCache{ nullptr };
 
  void PopulateCache();
 
  void RenderGeometries();
 
  bool UseInstanceCache;
  bool UseGeometryCache;
 
private:
  vtkOSPRayPolyDataMapperNode(const vtkOSPRayPolyDataMapperNode&) = delete;
  void operator=(const vtkOSPRayPolyDataMapperNode&) = delete;
};
 
#endif