vtkGaussianBlurPass.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGaussianBlurPass.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 vtkGaussianBlurPass_h
#define vtkGaussianBlurPass_h
 
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkImageProcessingPass.h"
 
class vtkOpenGLRenderWindow;
class vtkDepthPeelingPassLayerList; // Pimpl
class vtkShaderProgram2;
class vtkShader2;
class vtkFrameBufferObject;
class vtkTextureObject;
 
class VTKRENDERINGOPENGL_EXPORT vtkGaussianBlurPass : public vtkImageProcessingPass
{
public:
  static vtkGaussianBlurPass *New();
  vtkTypeMacro(vtkGaussianBlurPass,vtkImageProcessingPass);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  //BTX
 
  virtual void Render(const vtkRenderState *s);
  //ETX
 
  void ReleaseGraphicsResources(vtkWindow *w);
 
 protected:
  vtkGaussianBlurPass();
 
  virtual ~vtkGaussianBlurPass();
 
 
  vtkFrameBufferObject *FrameBufferObject;
  vtkTextureObject *Pass1; // render target for the scene
  vtkTextureObject *Pass2; // render target for the horizontal pass
  vtkShaderProgram2 *BlurProgram; // blur shader
 
  bool Supported;
  bool SupportProbed;
 
 private:
  vtkGaussianBlurPass(const vtkGaussianBlurPass&);  // Not implemented.
  void operator=(const vtkGaussianBlurPass&);  // Not implemented.
};
 
#endif