vtkTextureUnitManager.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkTextureUnitManager.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 vtkTextureUnitManager_h
#define vtkTextureUnitManager_h
 
#include "vtkObject.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
class vtkOpenGLRenderWindow;
 
class VTKRENDERINGOPENGL2_EXPORT vtkTextureUnitManager : public vtkObject
{
public:
  vtkTypeMacro(vtkTextureUnitManager, vtkObject);
 
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkTextureUnitManager* New();
 
  void Initialize();
 
  int GetNumberOfTextureUnits();
 
  virtual int Allocate();
 
  virtual int Allocate(int unit);
 
  bool IsAllocated(int textureUnitId);
 
  virtual void Free(int textureUnitId);
 
protected:
  vtkTextureUnitManager();
 
  ~vtkTextureUnitManager() override;
 
  void DeleteTable();
 
  int NumberOfTextureUnits;
  bool* TextureUnits;
 
private:
  vtkTextureUnitManager(const vtkTextureUnitManager&) = delete;
  void operator=(const vtkTextureUnitManager&) = delete;
};
 
#endif