VTK  9.0.20200808
vtkOpenGLRenderUtilities.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLRenderUtilities.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 =========================================================================*/
25 #ifndef vtkOpenGLRenderUtilities_h
26 #define vtkOpenGLRenderUtilities_h
27 
28 #include "vtkObject.h"
29 #include "vtkRenderingOpenGL2Module.h" // For export macro
30 
31 #include "vtk_glew.h" // Needed for GLuint.
32 #include <string> // for std::string
33 
37 class vtkShaderProgram;
38 
39 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLRenderUtilities : public vtkObject
40 {
41 public:
43  void PrintSelf(ostream& os, vtkIndent indent) override;
44 
46 
52  static void RenderQuad(
53  float* verts, float* tcoords, vtkShaderProgram* program, vtkOpenGLVertexArrayObject* vao);
54  static void RenderTriangles(float* verts, unsigned int numVerts, GLuint* iboData,
55  unsigned int numIndices, float* tcoords, vtkShaderProgram* program,
58 
60 
105  static std::string GetFullScreenQuadVertexShader();
106  static std::string GetFullScreenQuadFragmentShaderTemplate();
107  static std::string GetFullScreenQuadGeometryShader();
108  static bool PrepFullScreenVAO(
110  static void DrawFullScreenQuad();
112 
113  // older signsature, we suggest you use the newer signature above
114  static bool PrepFullScreenVAO(
116 
125  static void MarkDebugEvent(const std::string& event);
126 
127 protected:
129  ~vtkOpenGLRenderUtilities() override;
130 
131 private:
133  void operator=(const vtkOpenGLRenderUtilities&) = delete;
134 };
135 
136 #endif
vtkOpenGLBufferObject
OpenGL buffer object.
Definition: vtkOpenGLBufferObject.h:33
vtkObject
abstract base class for most VTK objects
Definition: vtkObject.h:62
vtkOpenGLRenderUtilities
OpenGL rendering utility functions.
Definition: vtkOpenGLRenderUtilities.h:39
vtkShaderProgram
The ShaderProgram uses one or more Shader objects.
Definition: vtkShaderProgram.h:44
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
vtkX3D::string
Definition: vtkX3D.h:496
vtkOpenGLRenderWindow
OpenGL rendering window.
Definition: vtkOpenGLRenderWindow.h:53
vtkOpenGLVertexArrayObject
The VertexArrayObject class uses, or emulates, vertex array objects.
Definition: vtkOpenGLVertexArrayObject.h:36