diff options
Diffstat (limited to 'src/quick/items/qquickwindowmanager.cpp')
| -rw-r--r-- | src/quick/items/qquickwindowmanager.cpp | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/src/quick/items/qquickwindowmanager.cpp b/src/quick/items/qquickwindowmanager.cpp deleted file mode 100644 index 69aa63c278..0000000000 --- a/src/quick/items/qquickwindowmanager.cpp +++ /dev/null @@ -1,363 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickwindowmanager_p.h" -#include "qquickthreadedwindowmanager_p.h" - -#include <QtCore/QCoreApplication> -#include <QtCore/QTime> -#include <QtCore/private/qabstractanimation_p.h> - -#include <QtGui/QOpenGLContext> -#include <QtGui/private/qguiapplication_p.h> -#include <qpa/qplatformintegration.h> - -#include <QtQml/private/qqmlglobal_p.h> - -#include <QtQuick/QQuickWindow> -#include <QtQuick/private/qquickwindow_p.h> -#include <QtQuick/private/qsgcontext_p.h> - -QT_BEGIN_NAMESPACE - -DEFINE_BOOL_CONFIG_OPTION(qquick_render_timing, QML_RENDER_TIMING) - -extern Q_GUI_EXPORT QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha); - -/*! - expectations for this manager to work: - - one opengl context to render multiple windows - - OpenGL pipeline will not block for vsync in swap - - OpenGL pipeline will block based on a full buffer queue. - - Multiple screens can share the OpenGL context - - Animations are advanced for all windows once per swap - */ - -DEFINE_BOOL_CONFIG_OPTION(qmlNoThreadedRenderer, QML_BAD_GUI_RENDER_LOOP); -DEFINE_BOOL_CONFIG_OPTION(qmlForceThreadedRenderer, QML_FORCE_THREADED_RENDERER); // Might trigger graphics driver threading bugs, use at own risk - -QQuickWindowManager *QQuickWindowManager::s_instance = 0; - -QQuickWindowManager::~QQuickWindowManager() -{ -} - -class QQuickTrivialWindowManager : public QObject, public QQuickWindowManager -{ - Q_OBJECT -public: - QQuickTrivialWindowManager(); - - void show(QQuickWindow *window); - void hide(QQuickWindow *window); - - void windowDestroyed(QQuickWindow *window); - - void initializeGL(); - void renderWindow(QQuickWindow *window); - void exposureChanged(QQuickWindow *window); - QImage grab(QQuickWindow *window); - void resize(QQuickWindow *window, const QSize &size); - - void maybeUpdate(QQuickWindow *window); - void update(QQuickWindow *window) { maybeUpdate(window); } // identical for this implementation. - - void releaseResources() { } - - QAnimationDriver *animationDriver() const { return 0; } - - QSGContext *sceneGraphContext() const; - - bool event(QEvent *); - - struct WindowData { - bool updatePending : 1; - bool grabOnly : 1; - }; - - QHash<QQuickWindow *, WindowData> m_windows; - - QOpenGLContext *gl; - QSGContext *sg; - - QImage grabContent; - - bool eventPending; -}; - - -QQuickWindowManager *QQuickWindowManager::instance() -{ - if (!s_instance) { - - s_instance = QSGContext::createWindowManager(); - - bool bufferQueuing = QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::BufferQueueingOpenGL); -#ifdef Q_OS_WIN - bool fancy = false; // QTBUG-28037 -#else - bool fancy = QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::ThreadedOpenGL); -#endif - if (qmlNoThreadedRenderer()) - fancy = false; - else if (qmlForceThreadedRenderer()) - fancy = true; - - // Enable fixed animation steps... - QByteArray fixed = qgetenv("QML_FIXED_ANIMATION_STEP"); - bool fixedAnimationSteps = bufferQueuing; - if (fixed == "no") - fixedAnimationSteps = false; - else if (fixed.length()) - fixedAnimationSteps = true; - if (fixedAnimationSteps) - QUnifiedTimer::instance(true)->setConsistentTiming(true); - - if (!s_instance) { - s_instance = fancy - ? (QQuickWindowManager*) new QQuickRenderThreadSingleContextWindowManager - : (QQuickWindowManager*) new QQuickTrivialWindowManager; - } - } - return s_instance; -} - -void QQuickWindowManager::setInstance(QQuickWindowManager *instance) -{ - Q_ASSERT(!s_instance); - s_instance = instance; -} - -QQuickTrivialWindowManager::QQuickTrivialWindowManager() - : gl(0) - , eventPending(false) -{ - sg = QSGContext::createDefaultContext(); -} - - -void QQuickTrivialWindowManager::show(QQuickWindow *window) -{ - WindowData data; - data.updatePending = false; - data.grabOnly = false; - m_windows[window] = data; - - maybeUpdate(window); -} - -void QQuickTrivialWindowManager::hide(QQuickWindow *window) -{ - if (!m_windows.contains(window)) - return; - - m_windows.remove(window); - QQuickWindowPrivate *cd = QQuickWindowPrivate::get(window); - cd->cleanupNodesOnShutdown(); - - if (m_windows.size() == 0) { - sg->invalidate(); - delete gl; - gl = 0; - } -} - -void QQuickTrivialWindowManager::windowDestroyed(QQuickWindow *window) -{ - hide(window); -} - -void QQuickTrivialWindowManager::renderWindow(QQuickWindow *window) -{ - bool renderWithoutShowing = QQuickWindowPrivate::get(window)->renderWithoutShowing; - if ((!window->isExposed() && !renderWithoutShowing) || !m_windows.contains(window)) - return; - - WindowData &data = const_cast<WindowData &>(m_windows[window]); - - QQuickWindow *masterWindow = 0; - if (!window->isVisible() && !renderWithoutShowing) { - // Find a "proper surface" to bind... - for (QHash<QQuickWindow *, WindowData>::const_iterator it = m_windows.constBegin(); - it != m_windows.constEnd() && !masterWindow; ++it) { - if (it.key()->isVisible()) - masterWindow = it.key(); - } - } else { - masterWindow = window; - } - - if (!masterWindow) - return; - - if (!QQuickWindowPrivate::get(masterWindow)->isRenderable()) { - qWarning().nospace() - << "Unable to find a renderable master window " - << masterWindow << "when trying to render" - << window << " (" << window->geometry() << ")."; - return; - } - - if (!gl) { - gl = new QOpenGLContext(); - gl->setFormat(masterWindow->requestedFormat()); - gl->create(); - if (!gl->makeCurrent(masterWindow)) - qWarning("QQuickWindow: makeCurrent() failed..."); - sg->initialize(gl); - } else { - gl->makeCurrent(masterWindow); - } - - bool alsoSwap = data.updatePending; - data.updatePending = false; - - QQuickWindowPrivate *cd = QQuickWindowPrivate::get(window); - cd->polishItems(); - - int renderTime = 0, syncTime = 0; - QTime renderTimer; - if (qquick_render_timing()) - renderTimer.start(); - - cd->syncSceneGraph(); - - if (qquick_render_timing()) - syncTime = renderTimer.elapsed(); - - cd->renderSceneGraph(window->size()); - - if (qquick_render_timing()) - renderTime = renderTimer.elapsed() - syncTime; - - if (data.grabOnly) { - grabContent = qt_gl_read_framebuffer(window->size(), false, false); - data.grabOnly = false; - } - - if (alsoSwap && window->isVisible()) { - gl->swapBuffers(window); - cd->fireFrameSwapped(); - } - - if (qquick_render_timing()) { - static QTime lastFrameTime = QTime::currentTime(); - const int swapTime = renderTimer.elapsed() - renderTime - syncTime; - qDebug() << "- Breakdown of frame time; sync:" << syncTime - << "ms render:" << renderTime << "ms swap:" << swapTime - << "ms total:" << swapTime + renderTime + syncTime - << "ms time since last frame:" << (lastFrameTime.msecsTo(QTime::currentTime())) - << "ms"; - lastFrameTime = QTime::currentTime(); - } - - // Might have been set during syncSceneGraph() - if (data.updatePending) - maybeUpdate(window); -} - -void QQuickTrivialWindowManager::exposureChanged(QQuickWindow *window) -{ - if (window->isExposed()) - maybeUpdate(window); -} - -QImage QQuickTrivialWindowManager::grab(QQuickWindow *window) -{ - if (!m_windows.contains(window)) - return QImage(); - - m_windows[window].grabOnly = true; - - renderWindow(window); - - QImage grabbed = grabContent; - grabContent = QImage(); - return grabbed; -} - - - -void QQuickTrivialWindowManager::resize(QQuickWindow *, const QSize &) -{ -} - - - -void QQuickTrivialWindowManager::maybeUpdate(QQuickWindow *window) -{ - if (!m_windows.contains(window)) - return; - - m_windows[window].updatePending = true; - - if (!eventPending) { - QCoreApplication::postEvent(this, new QEvent(QEvent::User)); - eventPending = true; - } -} - - - -QSGContext *QQuickTrivialWindowManager::sceneGraphContext() const -{ - return sg; -} - - -bool QQuickTrivialWindowManager::event(QEvent *e) -{ - if (e->type() == QEvent::User) { - eventPending = false; - for (QHash<QQuickWindow *, WindowData>::const_iterator it = m_windows.constBegin(); - it != m_windows.constEnd(); ++it) { - const WindowData &data = it.value(); - if (data.updatePending) - renderWindow(it.key()); - } - return true; - } - return QObject::event(e); -} - -#include "qquickwindowmanager.moc" - -QT_END_NAMESPACE |