101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2014 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 <QMatrix4x4>
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#include <QTimer>
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QT_FORWARD_DECLARE_CLASS(QOpenGLContext)
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QT_FORWARD_DECLARE_CLASS(QOpenGLFramebufferObject)
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QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
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QT_FORWARD_DECLARE_CLASS(QOpenGLBuffer)
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QT_FORWARD_DECLARE_CLASS(QOpenGLVertexArrayObject)
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QT_FORWARD_DECLARE_CLASS(QOffscreenSurface)
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QT_FORWARD_DECLARE_CLASS(QQuickRenderControl)
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QT_FORWARD_DECLARE_CLASS(QQuickWindow)
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QT_FORWARD_DECLARE_CLASS(QQmlEngine)
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QT_FORWARD_DECLARE_CLASS(QQmlComponent)
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QT_FORWARD_DECLARE_CLASS(QQuickItem)
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class Window : public QWindow
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{
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Q_OBJECT
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public:
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Window();
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~Window();
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protected:
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void exposeEvent(QExposeEvent *e) Q_DECL_OVERRIDE;
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void resizeEvent(QResizeEvent *e) Q_DECL_OVERRIDE;
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void mousePressEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
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void mouseReleaseEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
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private slots:
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void render();
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void updateQuick();
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void run();
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void createFbo();
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void destroyFbo();
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void requestUpdate();
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private:
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void startQuick(const QString &filename);
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void setupVertexAttribs();
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void updateSizes();
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QOpenGLContext *m_context;
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QOffscreenSurface *m_offscreenSurface;
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QQuickRenderControl *m_renderControl;
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QQuickWindow *m_quickWindow;
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QQmlEngine *m_qmlEngine;
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QQmlComponent *m_qmlComponent;
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QQuickItem *m_rootItem;
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QOpenGLFramebufferObject *m_fbo;
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QOpenGLShaderProgram *m_program;
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QOpenGLBuffer *m_vbo;
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QOpenGLVertexArrayObject *m_vao;
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bool m_quickInitialized;
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bool m_quickReady;
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int m_matrixLoc;
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QMatrix4x4 m_proj;
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QTimer m_updateTimer;
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};
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