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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QOpenGLWindow>
#include <QMatrix4x4>
#include <QVector3D>
#include "../hellogl2/logo.h"
QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)
QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
QT_FORWARD_DECLARE_CLASS(QOpenGLBuffer)
QT_FORWARD_DECLARE_CLASS(QOpenGLVertexArrayObject)
class GLWindow : public QOpenGLWindow
{
Q_OBJECT
Q_PROPERTY(float z READ z WRITE setZ)
Q_PROPERTY(float r READ r WRITE setR)
Q_PROPERTY(float r2 READ r2 WRITE setR2)
public:
GLWindow();
~GLWindow();
void initializeGL();
void resizeGL(int w, int h);
void paintGL();
float z() const { return m_eye.z(); }
void setZ(float v);
float r() const { return m_r; }
void setR(float v);
float r2() const { return m_r2; }
void setR2(float v);
private slots:
void startSecondStage();
private:
QOpenGLTexture *m_texture = nullptr;
QOpenGLShaderProgram *m_program = nullptr;
QOpenGLBuffer *m_vbo = nullptr;
QOpenGLVertexArrayObject *m_vao = nullptr;
Logo m_logo;
int m_projMatrixLoc = 0;
int m_camMatrixLoc = 0;
int m_worldMatrixLoc = 0;
int m_myMatrixLoc = 0;
int m_lightPosLoc = 0;
QMatrix4x4 m_proj;
QMatrix4x4 m_world;
QVector3D m_eye;
QVector3D m_target = {0, 0, -1};
bool m_uniformsDirty = true;
float m_r = 0;
float m_r2 = 0;
};
#endif
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