vtkFramebufferPass.h

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

  Program:   Visualization Toolkit
  Module:    vtkFramebufferPass.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 vtkFramebufferPass_h
#define vtkFramebufferPass_h

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

class vtkOpenGLFramebufferObject;
class vtkOpenGLHelper;
class vtkOpenGLRenderWindow;
class vtkTextureObject;

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

  void Render(const vtkRenderState *s) override;

  void ReleaseGraphicsResources(vtkWindow *w) override;

  vtkSetMacro(DepthFormat, int);

  vtkSetMacro(ColorFormat, int);

  // Get the depth texture object
  vtkGetObjectMacro(DepthTexture, vtkTextureObject);

  // Get the Color texture object
  vtkGetObjectMacro(ColorTexture, vtkTextureObject);

 protected:
  vtkFramebufferPass();

  ~vtkFramebufferPass() override;

  vtkOpenGLFramebufferObject *FrameBufferObject;
  vtkTextureObject *ColorTexture; // render target for the scene
  vtkTextureObject *DepthTexture; // render target for the depth


  int ViewportX;
  int ViewportY;
  int ViewportWidth;
  int ViewportHeight;

  int DepthFormat;
  int ColorFormat;

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

#endif