vtkDepthImageProcessingPass.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation, Kitware Inc
// SPDX-License-Identifier: BSD-3-Clause
/*----------------------------------------------------------------------
Acknowledgement:
This algorithm is the result of joint work by Electricité de France,
CNRS, Collège de France and Université J. Fourier as part of the
Ph.D. thesis of Christian BOUCHENY.
------------------------------------------------------------------------*/
#ifndef vtkDepthImageProcessingPass_h
#define vtkDepthImageProcessingPass_h
 
#include "vtkImageProcessingPass.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkOpenGLRenderWindow;
class vtkDepthPeelingPassLayerList; // Pimpl
class vtkOpenGLFramebufferObject;
class vtkTextureObject;
 
class VTKRENDERINGOPENGL2_EXPORT vtkDepthImageProcessingPass : public vtkImageProcessingPass
{
public:
  vtkTypeMacro(vtkDepthImageProcessingPass, vtkImageProcessingPass);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkDepthImageProcessingPass();
 
  ~vtkDepthImageProcessingPass() override;
 
  virtual void RenderDelegate(const vtkRenderState* s, int width, int height, int newWidth,
    int newHeight, vtkOpenGLFramebufferObject* fbo, vtkTextureObject* colortarget,
    vtkTextureObject* depthtarget);
 
  void ReadWindowSize(const vtkRenderState* s);
 
  int Origin[2];   // Viewport origin
  int Width;       // parent window width
  int Height;      // parent window height
  int W;           // this width
  int H;           // this height
  int ExtraPixels; // w(h) = width(height) + 2*extrapixels
 
private:
  vtkDepthImageProcessingPass(const vtkDepthImageProcessingPass&) = delete;
  void operator=(const vtkDepthImageProcessingPass&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif