vtkPointFillPass.h

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

  Program:   Visualization Toolkit
  Module:    vtkPointFillPass.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 vtkPointFillPass_h
#define vtkPointFillPass_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkDepthImageProcessingPass.h"

class vtkDepthPeelingPassLayerList; // Pimpl
class vtkFrameBufferObject;
class vtkOpenGLHelper;
class vtkOpenGLRenderWindow;
class vtkTextureObject;

class VTKRENDERINGOPENGL2_EXPORT vtkPointFillPass : public vtkDepthImageProcessingPass
{
public:
  static vtkPointFillPass *New();
  vtkTypeMacro(vtkPointFillPass,vtkDepthImageProcessingPass);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Render(const vtkRenderState *s);

  void ReleaseGraphicsResources(vtkWindow *w);


  vtkSetMacro(CandidatePointRatio,float);
  vtkGetMacro(CandidatePointRatio,float);


  vtkSetMacro(MinimumCandidateAngle,float);
  vtkGetMacro(MinimumCandidateAngle,float);

 protected:
  vtkPointFillPass();

  virtual ~vtkPointFillPass();

  vtkFrameBufferObject *FrameBufferObject;
  vtkTextureObject *Pass1; // render target for the scene
  vtkTextureObject *Pass1Depth; // render target for the depth

  // Structures for the various cell types we render.
  vtkOpenGLHelper *BlurProgram;

  bool Supported;
  bool SupportProbed;

  float CandidatePointRatio;
  float MinimumCandidateAngle;

 private:
  vtkPointFillPass(const vtkPointFillPass&) VTK_DELETE_FUNCTION;
  void operator=(const vtkPointFillPass&) VTK_DELETE_FUNCTION;
};

#endif