vtkPBRPrefilterTexture.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPBRPrefilterTexture.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 vtkPBRPrefilterTexture_h
#define vtkPBRPrefilterTexture_h
 
#include "vtkOpenGLTexture.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
class vtkOpenGLFramebufferObject;
class vtkOpenGLRenderWindow;
class vtkOpenGLTexture;
class vtkRenderWindow;
 
class VTKRENDERINGOPENGL2_EXPORT vtkPBRPrefilterTexture : public vtkOpenGLTexture
{
public:
  static vtkPBRPrefilterTexture* New();
  vtkTypeMacro(vtkPBRPrefilterTexture, vtkOpenGLTexture);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void SetInputTexture(vtkOpenGLTexture*);
  vtkGetObjectMacro(InputTexture, vtkOpenGLTexture);
 
  void Load(vtkRenderer*) override;
 
  void Render(vtkRenderer* ren) override { this->Load(ren); }
 
 
  vtkGetMacro(PrefilterSize, unsigned int);
  vtkSetMacro(PrefilterSize, unsigned int);
 
 
  vtkGetMacro(PrefilterSamples, unsigned int);
  vtkSetMacro(PrefilterSamples, unsigned int);
 
 
  vtkGetMacro(PrefilterLevels, unsigned int);
  vtkSetMacro(PrefilterLevels, unsigned int);
 
 
  vtkGetMacro(ConvertToLinear, bool);
  vtkSetMacro(ConvertToLinear, bool);
  vtkBooleanMacro(ConvertToLinear, bool);
 
  void ReleaseGraphicsResources(vtkWindow*) override;
 
protected:
  vtkPBRPrefilterTexture() = default;
  ~vtkPBRPrefilterTexture() override;
 
  unsigned int PrefilterSize = 128;
  unsigned int PrefilterLevels = 5;
  unsigned int PrefilterSamples = 1024;
  vtkOpenGLTexture* InputTexture = nullptr;
  bool ConvertToLinear = false;
 
private:
  vtkPBRPrefilterTexture(const vtkPBRPrefilterTexture&) = delete;
  void operator=(const vtkPBRPrefilterTexture&) = delete;
};
 
#endif