| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2017 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the examples of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:BSD$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** BSD License Usage | 
| 18 | ** Alternatively, you may use this file under the terms of the BSD license | 
| 19 | ** as follows: | 
| 20 | ** | 
| 21 | ** "Redistribution and use in source and binary forms, with or without | 
| 22 | ** modification, are permitted provided that the following conditions are | 
| 23 | ** met: | 
| 24 | **   * Redistributions of source code must retain the above copyright | 
| 25 | **     notice, this list of conditions and the following disclaimer. | 
| 26 | **   * Redistributions in binary form must reproduce the above copyright | 
| 27 | **     notice, this list of conditions and the following disclaimer in | 
| 28 | **     the documentation and/or other materials provided with the | 
| 29 | **     distribution. | 
| 30 | **   * Neither the name of The Qt Company Ltd nor the names of its | 
| 31 | **     contributors may be used to endorse or promote products derived | 
| 32 | **     from this software without specific prior written permission. | 
| 33 | ** | 
| 34 | ** | 
| 35 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
| 36 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
| 37 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
| 38 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
| 39 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
| 40 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
| 41 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
| 42 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
| 43 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 44 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 45 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | 
| 46 | ** | 
| 47 | ** $QT_END_LICENSE$ | 
| 48 | ** | 
| 49 | ****************************************************************************/ | 
| 50 |  | 
| 51 | #ifndef WINDOW_SINGLETHREADED_H | 
| 52 | #define WINDOW_SINGLETHREADED_H | 
| 53 |  | 
| 54 | #include <QWindow> | 
| 55 | #include <QMatrix4x4> | 
| 56 | #include <QTimer> | 
| 57 |  | 
| 58 | QT_FORWARD_DECLARE_CLASS(QOpenGLContext) | 
| 59 | QT_FORWARD_DECLARE_CLASS(QOpenGLFramebufferObject) | 
| 60 | QT_FORWARD_DECLARE_CLASS(QOffscreenSurface) | 
| 61 | QT_FORWARD_DECLARE_CLASS(QQuickRenderControl) | 
| 62 | QT_FORWARD_DECLARE_CLASS(QQuickWindow) | 
| 63 | QT_FORWARD_DECLARE_CLASS(QQmlEngine) | 
| 64 | QT_FORWARD_DECLARE_CLASS(QQmlComponent) | 
| 65 | QT_FORWARD_DECLARE_CLASS(QQuickItem) | 
| 66 |  | 
| 67 | class CubeRenderer; | 
| 68 |  | 
| 69 | class WindowSingleThreaded : public QWindow | 
| 70 | { | 
| 71 |     Q_OBJECT | 
| 72 |  | 
| 73 | public: | 
| 74 |     WindowSingleThreaded(); | 
| 75 |     ~WindowSingleThreaded(); | 
| 76 |  | 
| 77 | protected: | 
| 78 |     void exposeEvent(QExposeEvent *e) override; | 
| 79 |     void resizeEvent(QResizeEvent *e) override; | 
| 80 |     void mousePressEvent(QMouseEvent *e) override; | 
| 81 |     void mouseReleaseEvent(QMouseEvent *e) override; | 
| 82 |  | 
| 83 | private slots: | 
| 84 |     void run(); | 
| 85 |  | 
| 86 |     void createFbo(); | 
| 87 |     void destroyFbo(); | 
| 88 |     void render(); | 
| 89 |     void requestUpdate(); | 
| 90 |     void handleScreenChange(); | 
| 91 |  | 
| 92 | private: | 
| 93 |     void startQuick(const QString &filename); | 
| 94 |     void updateSizes(); | 
| 95 |     void resizeFbo(); | 
| 96 |  | 
| 97 |     QOpenGLContext *m_context; | 
| 98 |     QOffscreenSurface *m_offscreenSurface; | 
| 99 |     QQuickRenderControl *m_renderControl; | 
| 100 |     QQuickWindow *m_quickWindow; | 
| 101 |     QQmlEngine *m_qmlEngine; | 
| 102 |     QQmlComponent *m_qmlComponent; | 
| 103 |     QQuickItem *m_rootItem; | 
| 104 |     QOpenGLFramebufferObject *m_fbo; | 
| 105 |     bool m_quickInitialized; | 
| 106 |     bool m_quickReady; | 
| 107 |     QTimer m_updateTimer; | 
| 108 |     CubeRenderer *m_cubeRenderer; | 
| 109 |     qreal m_dpr; | 
| 110 |     bool m_onscreen; | 
| 111 |     QSize m_onscreenSize; | 
| 112 | }; | 
| 113 |  | 
| 114 | #endif | 
| 115 |  |