VTK  9.0.20210119
vtkTextureUnitManager.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkTextureUnitManager.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
30 #ifndef vtkTextureUnitManager_h
31 #define vtkTextureUnitManager_h
32 
33 #include "vtkObject.h"
34 #include "vtkRenderingOpenGL2Module.h" // For export macro
35 
37 
38 class VTKRENDERINGOPENGL2_EXPORT vtkTextureUnitManager : public vtkObject
39 {
40 public:
42 
43  void PrintSelf(ostream& os, vtkIndent indent) override;
44 
45  static vtkTextureUnitManager* New();
46 
50  void Initialize();
51 
55  int GetNumberOfTextureUnits();
56 
64  virtual int Allocate();
65 
77  virtual int Allocate(int unit);
78 
84  bool IsAllocated(int textureUnitId);
85 
91  virtual void Free(int textureUnitId);
92 
93 protected:
98 
102  ~vtkTextureUnitManager() override;
103 
108  void DeleteTable();
109 
112 
113 private:
115  void operator=(const vtkTextureUnitManager&) = delete;
116 };
117 
118 #endif
vtkTextureUnitManager::TextureUnits
bool * TextureUnits
Definition: vtkTextureUnitManager.h:111
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkObject
abstract base class for most VTK objects
Definition: vtkObject.h:62
vtkTextureUnitManager
allocate/free texture units.
Definition: vtkTextureUnitManager.h:38
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkObject::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkObject.h
vtkOpenGLRenderWindow
OpenGL rendering window.
Definition: vtkOpenGLRenderWindow.h:53
vtkTextureUnitManager::NumberOfTextureUnits
int NumberOfTextureUnits
Definition: vtkTextureUnitManager.h:110