vtkCompositeRGBAPass.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkCompositeRGBAPass.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 vtkCompositeRGBAPass_h
#define vtkCompositeRGBAPass_h

#include "vtkRenderingParallelModule.h" // For export macro
#include "vtkRenderPass.h"

class vtkMultiProcessController;

class vtkPixelBufferObject;
class vtkTextureObject;
class vtkOpenGLRenderWindow;
class vtkPKdTree;

class VTKRENDERINGPARALLEL_EXPORT vtkCompositeRGBAPass : public vtkRenderPass
{
public:
  static vtkCompositeRGBAPass *New();
  vtkTypeMacro(vtkCompositeRGBAPass,vtkRenderPass);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void Render(const vtkRenderState *s) override;

  void ReleaseGraphicsResources(vtkWindow *w) override;


  vtkGetObjectMacro(Controller,vtkMultiProcessController);
  virtual void SetController(vtkMultiProcessController *controller);


  vtkGetObjectMacro(Kdtree,vtkPKdTree);
  virtual void SetKdtree(vtkPKdTree *kdtree);

  bool IsSupported(vtkOpenGLRenderWindow *context);

 protected:
  vtkCompositeRGBAPass();

  ~vtkCompositeRGBAPass() override;

  vtkMultiProcessController *Controller;
  vtkPKdTree *Kdtree;

  vtkPixelBufferObject *PBO;
  vtkTextureObject *RGBATexture;
  vtkTextureObject *RootTexture;
  float *RawRGBABuffer;
  size_t RawRGBABufferSize;

 private:
  vtkCompositeRGBAPass(const vtkCompositeRGBAPass&) = delete;
  void operator=(const vtkCompositeRGBAPass&) = delete;
};

#endif