vtkDepthOfFieldPass.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkDepthOfFieldPass_h
#define vtkDepthOfFieldPass_h

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

VTK_ABI_NAMESPACE_BEGIN
class vtkDepthPeelingPassLayerList; // Pimpl
class vtkOpenGLFramebufferObject;
class vtkOpenGLHelper;
class vtkOpenGLRenderWindow;
class vtkTextureObject;

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


  vtkSetMacro(AutomaticFocalDistance, bool);
  vtkGetMacro(AutomaticFocalDistance, bool);
  vtkBooleanMacro(AutomaticFocalDistance, bool);

  void Render(const vtkRenderState* s) override;

  void ReleaseGraphicsResources(vtkWindow* w) override;

protected:
  vtkDepthOfFieldPass();

  ~vtkDepthOfFieldPass() override;

  vtkOpenGLFramebufferObject* 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 AutomaticFocalDistance;

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

VTK_ABI_NAMESPACE_END
#endif