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50
51#ifndef GLWIDGET_H
52#define GLWIDGET_H
53
54#include <QOpenGLWindow>
55#include <QMatrix4x4>
56#include <QVector3D>
57#include "../hellogl2/logo.h"
58
59QT_BEGIN_NAMESPACE
60
61class QOpenGLTexture;
62class QOpenGLShaderProgram;
63class QOpenGLBuffer;
64class QOpenGLVertexArrayObject;
65
66QT_END_NAMESPACE
67
68class GLWindow : public QOpenGLWindow
69{
70 Q_OBJECT
71 Q_PROPERTY(float z READ z WRITE setZ)
72 Q_PROPERTY(float r READ r WRITE setR)
73 Q_PROPERTY(float r2 READ r2 WRITE setR2)
74
75public:
76 GLWindow();
77 ~GLWindow();
78
79 void initializeGL();
80 void resizeGL(int w, int h);
81 void paintGL();
82
83 float z() const { return m_eye.z(); }
84 void setZ(float v);
85
86 float r() const { return m_r; }
87 void setR(float v);
88 float r2() const { return m_r2; }
89 void setR2(float v);
90private slots:
91 void startSecondStage();
92private:
93 QOpenGLTexture *m_texture = nullptr;
94 QOpenGLShaderProgram *m_program = nullptr;
95 QOpenGLBuffer *m_vbo = nullptr;
96 QOpenGLVertexArrayObject *m_vao = nullptr;
97 Logo ;
98 int m_projMatrixLoc = 0;
99 int m_camMatrixLoc = 0;
100 int m_worldMatrixLoc = 0;
101 int m_myMatrixLoc = 0;
102 int m_lightPosLoc = 0;
103 QMatrix4x4 m_proj;
104 QMatrix4x4 m_world;
105 QVector3D m_eye;
106 QVector3D m_target = {0, 0, -1};
107 bool m_uniformsDirty = true;
108 float m_r = 0;
109 float m_r2 = 0;
110};
111
112#endif
113

source code of qtbase/examples/opengl/hellogles3/glwindow.h