5c6e2882dd
Previously resizes along with the animation was implemented using queued signals and slots, potentially causing a huge lag between the size of the window and the rendered contents. Now the animation is always driven by the rendering thread and is triggered based on the window's isExposed() status. Change-Id: Ifd89a63c2a436671a7b15326ff56be9ec2a5362d Reviewed-by: Jørgen Lind <jorgen.lind@digia.com> Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license 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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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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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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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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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 <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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private slots:
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void render();
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private:
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void initialize();
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qreal m_fAngle;
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bool m_showBubbles;
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void paintQtLogo();
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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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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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QList<HelloWindow *> m_windows;
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int m_currentWindow;
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QMutex m_windowLock;
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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);
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QColor color() const;
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void updateColor();
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void exposeEvent(QExposeEvent *event);
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private:
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void mousePressEvent(QMouseEvent *);
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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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