dox/Rendering/vtkTextureUnitManager.h

Go to the documentation of this file.

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

  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"

class vtkOpenGLRenderWindow;

class VTK_RENDERING_EXPORT vtkTextureUnitManager : public vtkObject
{
public:
  vtkTypeMacro(vtkTextureUnitManager,vtkObject);

  void PrintSelf(ostream& os, vtkIndent indent);
  
  static vtkTextureUnitManager *New();
  

  void SetContext(vtkOpenGLRenderWindow *context);
  vtkGetObjectMacro(Context,vtkOpenGLRenderWindow);
  
  int GetNumberOfTextureUnits();
  
  virtual int Allocate();
  
  bool IsAllocated(int textureUnitId);
  
  virtual void Free(int textureUnitId);
  
protected:
  vtkTextureUnitManager();
  
  ~vtkTextureUnitManager();
  
  void DeleteTable();

  vtkOpenGLRenderWindow *Context;
  
  int NumberOfTextureUnits;
  bool *TextureUnits;

private:
  vtkTextureUnitManager(const vtkTextureUnitManager&);  // Not implemented.
  void operator=(const vtkTextureUnitManager&);  // Not implemented.
};

#endif