VTK  9.2.6
vtkOpenGLQuadHelper.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=========================================================================*/
48#ifndef vtkOpenGLQuadHelper_h
49#define vtkOpenGLQuadHelper_h
50
51#include "vtkRenderingOpenGL2Module.h" // for export macro
52#include "vtkTimeStamp.h"
53#include <memory> // for std::unique_ptr
54
59class vtkWindow;
60
61// Helper class to render full screen quads
62class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLQuadHelper
63{
64public:
68 unsigned int ShaderChangeValue;
69
78 vtkOpenGLRenderWindow*, const char* vs, const char* fs, const char* gs, bool flipY = false);
79
81
82 // Draw the Quad, will bind the VAO for you
83 void Render();
84
91
92private:
94 vtkOpenGLQuadHelper& operator=(const vtkOpenGLQuadHelper&) = delete;
95 std::unique_ptr<vtkGenericOpenGLResourceFreeCallback> ResourceCallback;
96};
97
98#endif // vtkOpenGLQuadHelper_h
99
100// VTK-HeaderTest-Exclude: vtkOpenGLQuadHelper.h
Class to make rendering a full screen quad easier.
vtkOpenGLVertexArrayObject * VAO
unsigned int ShaderChangeValue
void ReleaseGraphicsResources(vtkWindow *)
Release graphics resources.
vtkShaderProgram * Program
vtkOpenGLQuadHelper(vtkOpenGLRenderWindow *, const char *vs, const char *fs, const char *gs, bool flipY=false)
Create a quadhelper with the provided shaders.
vtkTimeStamp ShaderSourceTime
OpenGL rendering window.
The VertexArrayObject class uses, or emulates, vertex array objects.
The ShaderProgram uses one or more Shader objects.
record modification and/or execution time
Definition: vtkTimeStamp.h:36
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39