vtkSimpleMotionBlurPass.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSimpleMotionBlurPass.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 vtkSimpleMotionBlurPass_h
#define vtkSimpleMotionBlurPass_h
 
#include "vtkDepthImageProcessingPass.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
class vtkOpenGLFramebufferObject;
class vtkOpenGLHelper;
class vtkOpenGLRenderWindow;
class vtkTextureObject;
 
class VTKRENDERINGOPENGL2_EXPORT vtkSimpleMotionBlurPass : public vtkDepthImageProcessingPass
{
public:
  static vtkSimpleMotionBlurPass* New();
  vtkTypeMacro(vtkSimpleMotionBlurPass, vtkDepthImageProcessingPass);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Render(const vtkRenderState* s) override;
 
  void ReleaseGraphicsResources(vtkWindow* w) override;
 
 
  vtkGetMacro(SubFrames, int);
  virtual void SetSubFrames(int subFrames);
 
  vtkSetMacro(DepthFormat, int);
 
  vtkSetMacro(ColorFormat, int);
 
  // Get the depth texture object
  vtkGetObjectMacro(DepthTexture, vtkTextureObject);
 
  // Get the Color texture object
  vtkGetObjectMacro(ColorTexture, vtkTextureObject);
 
protected:
  vtkSimpleMotionBlurPass();
 
  ~vtkSimpleMotionBlurPass() override;
 
  vtkOpenGLFramebufferObject* FrameBufferObject;
  vtkTextureObject* ColorTexture;           // render target for the scene
  vtkTextureObject* AccumulationTexture[2]; // where we add the colors
  vtkTextureObject* DepthTexture;           // render target for the depth
 
 
  int ViewportX;
  int ViewportY;
  int ViewportWidth;
  int ViewportHeight;
 
  int DepthFormat;
  int ColorFormat;
 
  int SubFrames;       // number of sub frames
  int CurrentSubFrame; // what one are we on
  int ActiveAccumulationTexture;
  vtkOpenGLHelper* BlendProgram;
 
private:
  vtkSimpleMotionBlurPass(const vtkSimpleMotionBlurPass&) = delete;
  void operator=(const vtkSimpleMotionBlurPass&) = delete;
};
 
#endif