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Diffstat (limited to 'examples/quick/rendercontrol/window_multithreaded.h')
-rw-r--r-- | examples/quick/rendercontrol/window_multithreaded.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/examples/quick/rendercontrol/window_multithreaded.h b/examples/quick/rendercontrol/window_multithreaded.h new file mode 100644 index 0000000000..74eab1a963 --- /dev/null +++ b/examples/quick/rendercontrol/window_multithreaded.h @@ -0,0 +1,142 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WINDOW_MULTITHREADED_H +#define WINDOW_MULTITHREADED_H + +#include <QWindow> +#include <QMatrix4x4> +#include <QThread> +#include <QWaitCondition> +#include <QMutex> + +QT_FORWARD_DECLARE_CLASS(QOpenGLContext) +QT_FORWARD_DECLARE_CLASS(QOpenGLFramebufferObject) +QT_FORWARD_DECLARE_CLASS(QOffscreenSurface) +QT_FORWARD_DECLARE_CLASS(QQuickRenderControl) +QT_FORWARD_DECLARE_CLASS(QQuickWindow) +QT_FORWARD_DECLARE_CLASS(QQmlEngine) +QT_FORWARD_DECLARE_CLASS(QQmlComponent) +QT_FORWARD_DECLARE_CLASS(QQuickItem) + +class CubeRenderer; + +class QuickRenderer : public QObject +{ + Q_OBJECT + +public: + QuickRenderer(); + + void requestInit(); + void requestRender(); + void requestResize(); + void requestStop(); + + QWaitCondition *cond() { return &m_cond; } + QMutex *mutex() { return &m_mutex; } + + void setContext(QOpenGLContext *ctx) { m_context = ctx; } + void setSurface(QOffscreenSurface *s) { m_surface = s; } + void setWindow(QWindow *w) { m_window = w; } + void setQuickWindow(QQuickWindow *w) { m_quickWindow = w; } + void setRenderControl(QQuickRenderControl *r) { m_renderControl = r; } + + void aboutToQuit(); + +private: + bool event(QEvent *e) Q_DECL_OVERRIDE; + void init(); + void cleanup(); + void ensureFbo(); + void render(QMutexLocker *lock); + + QWaitCondition m_cond; + QMutex m_mutex; + QOpenGLContext *m_context; + QOffscreenSurface *m_surface; + QOpenGLFramebufferObject *m_fbo; + QWindow *m_window; + QQuickWindow *m_quickWindow; + QQuickRenderControl *m_renderControl; + CubeRenderer *m_cubeRenderer; + QMutex m_quitMutex; + bool m_quit; +}; + +class WindowMultiThreaded : public QWindow +{ + Q_OBJECT + +public: + WindowMultiThreaded(); + ~WindowMultiThreaded(); + +protected: + void exposeEvent(QExposeEvent *e) Q_DECL_OVERRIDE; + void resizeEvent(QResizeEvent *e) Q_DECL_OVERRIDE; + void mousePressEvent(QMouseEvent *e) Q_DECL_OVERRIDE; + void mouseReleaseEvent(QMouseEvent *e) Q_DECL_OVERRIDE; + bool event(QEvent *e) Q_DECL_OVERRIDE; + +private slots: + void run(); + void requestUpdate(); + void polishSyncAndRender(); + +private: + void startQuick(const QString &filename); + void updateSizes(); + + QuickRenderer *m_quickRenderer; + QThread *m_quickRendererThread; + + QOpenGLContext *m_context; + QOffscreenSurface *m_offscreenSurface; + QQuickRenderControl *m_renderControl; + QQuickWindow *m_quickWindow; + QQmlEngine *m_qmlEngine; + QQmlComponent *m_qmlComponent; + QQuickItem *m_rootItem; + bool m_quickInitialized; + bool m_psrRequested; +}; + +#endif |