24961cb18c
All QWindow implementations must produce a frame before returning from the expose event. Change-Id: I5640809c47e948101879c1623c12230fa0a63c44 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
125 lines
4.0 KiB
C++
125 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:BSD$
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** Software or, alternatively, in accordance with the terms contained in
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QWindow>
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#include <QColor>
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#include <QMutex>
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#include <QOpenGLShaderProgram>
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#include <QOpenGLBuffer>
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#include <QSharedPointer>
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#include <QTimer>
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class HelloWindow;
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class Renderer : public QObject
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{
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Q_OBJECT
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public:
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explicit Renderer(const QSurfaceFormat &format, Renderer *share = 0, QScreen *screen = 0);
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QSurfaceFormat format() const { return m_format; }
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void setAnimating(HelloWindow *window, bool animating);
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public slots:
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void render();
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private:
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void initialize();
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void createGeometry();
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void createBubbles(int number);
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void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
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void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
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qreal m_fAngle;
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QVector<QVector3D> vertices;
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QVector<QVector3D> normals;
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int vertexAttr;
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int normalAttr;
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int matrixUniform;
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int colorUniform;
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bool m_initialized;
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QSurfaceFormat m_format;
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QOpenGLContext *m_context;
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QOpenGLShaderProgram *m_program;
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QOpenGLBuffer m_vbo;
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QList<HelloWindow *> m_windows;
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int m_currentWindow;
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QMutex m_windowLock;
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QColor m_backgroundColor;
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};
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class HelloWindow : public QWindow
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{
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public:
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explicit HelloWindow(const QSharedPointer<Renderer> &renderer, QScreen *screen = 0);
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QColor color() const;
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void updateColor();
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void exposeEvent(QExposeEvent *event) override;
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private:
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void mousePressEvent(QMouseEvent *) override;
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int m_colorIndex;
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QColor m_color;
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const QSharedPointer<Renderer> m_renderer;
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mutable QMutex m_colorLock;
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};
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