VTK  9.0.1
vtkOpenGLVertexArrayObject.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4 
5  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
6  All rights reserved.
7  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
8 
9  This software is distributed WITHOUT ANY WARRANTY; without even
10  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11  PURPOSE. See the above copyright notice for more information.
12 
13 =========================================================================*/
14 #ifndef vtkOpenGLVertexArrayObject_h
15 #define vtkOpenGLVertexArrayObject_h
16 
17 #include "vtkObject.h"
18 #include "vtkRenderingOpenGL2Module.h" // for export macro
19 #include <string> // For API.
20 
21 class vtkShaderProgram;
24 
36 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLVertexArrayObject : public vtkObject
37 {
38 public:
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
43  void Bind();
44 
45  void Release();
46 
48 
50 
52  const std::string& name, int offset, size_t stride, int elementType, int elementTupleSize,
53  bool normalize)
54  {
55  return this->AddAttributeArrayWithDivisor(
56  program, buffer, name, offset, stride, elementType, elementTupleSize, normalize, 0, false);
57  }
58 
60  const std::string& name, int offset, bool normalize);
61 
63  const std::string& name, int offset, size_t stride, int elementType, int elementTupleSize,
64  bool normalize, int divisor, bool isMatrix);
65 
67  const std::string& name, int offset, size_t stride, int elementType, int elementTupleSize,
68  bool normalize, int divisor, int tupleOffset);
69 
71 
72  // Force this VAO to emulate a vertex array object even if
73  // the system supports VAOs. This can be useful in cases where
74  // the vertex array object does not handle all extensions.
75  void SetForceEmulation(bool val);
76 
77 protected:
80 
81 private:
83  void operator=(const vtkOpenGLVertexArrayObject&) = delete;
84  class Private;
85  Private* Internal;
86 };
87 
88 #endif // vtkOpenGLVertexArrayObject_h
a simple class to control print indentation
Definition: vtkIndent.h:34
abstract base class for most VTK objects
Definition: vtkObject.h:54
OpenGL buffer object.
The VertexArrayObject class uses, or emulates, vertex array objects.
bool AddAttributeArrayWithDivisor(vtkShaderProgram *program, vtkOpenGLBufferObject *buffer, const std::string &name, int offset, size_t stride, int elementType, int elementTupleSize, bool normalize, int divisor, bool isMatrix)
bool AddAttributeMatrixWithDivisor(vtkShaderProgram *program, vtkOpenGLBufferObject *buffer, const std::string &name, int offset, size_t stride, int elementType, int elementTupleSize, bool normalize, int divisor, int tupleOffset)
bool AddAttributeArray(vtkShaderProgram *program, vtkOpenGLVertexBufferObject *buffer, const std::string &name, int offset, bool normalize)
~vtkOpenGLVertexArrayObject() override
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
bool AddAttributeArray(vtkShaderProgram *program, vtkOpenGLBufferObject *buffer, const std::string &name, int offset, size_t stride, int elementType, int elementTupleSize, bool normalize)
static vtkOpenGLVertexArrayObject * New()
bool RemoveAttributeArray(const std::string &name)
void SetForceEmulation(bool val)
The ShaderProgram uses one or more Shader objects.
@ name
Definition: vtkX3D.h:225
@ offset
Definition: vtkX3D.h:444
@ string
Definition: vtkX3D.h:496