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Diffstat (limited to 'src/core/api/qtwebenginecoreglobal.cpp')
-rw-r--r-- | src/core/api/qtwebenginecoreglobal.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/core/api/qtwebenginecoreglobal.cpp b/src/core/api/qtwebenginecoreglobal.cpp new file mode 100644 index 000000000..0e857d7d9 --- /dev/null +++ b/src/core/api/qtwebenginecoreglobal.cpp @@ -0,0 +1,94 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtWebEngine 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 The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qtwebenginecoreglobal_p.h" + +#include <QGuiApplication> +#include <QOpenGLContext> +#include <QThread> + +QT_BEGIN_NAMESPACE +Q_GUI_EXPORT void qt_gl_set_global_share_context(QOpenGLContext *context); +Q_GUI_EXPORT QOpenGLContext *qt_gl_global_share_context(); +QT_END_NAMESPACE + +namespace QtWebEngineCore { + +static QOpenGLContext *shareContext; + +static void deleteShareContext() +{ + delete shareContext; + shareContext = 0; +} + +// ### Qt 6: unify this logic and Qt::AA_ShareOpenGLContexts. +// QtWebEngine::initialize was introduced first and meant to be called +// after the QGuiApplication creation, when AA_ShareOpenGLContexts fills +// the same need but the flag has to be set earlier. + +QWEBENGINE_PRIVATE_EXPORT void initialize() +{ +#ifdef Q_OS_WIN32 + qputenv("QT_D3DCREATE_MULTITHREADED", "1"); +#endif + + // No need to override the shared context if QApplication already set one (e.g with Qt::AA_ShareOpenGLContexts). + if (qt_gl_global_share_context()) + return; + + QCoreApplication *app = QCoreApplication::instance(); + if (!app) { + qFatal("QtWebEngine::initialize() must be called after the construction of the application object."); + return; + } + if (app->thread() != QThread::currentThread()) { + qFatal("QtWebEngine::initialize() must be called from the Qt gui thread."); + return; + } + + if (shareContext) + return; + + shareContext = new QOpenGLContext; + shareContext->create(); + qAddPostRoutine(deleteShareContext); + qt_gl_set_global_share_context(shareContext); + + // Classes like QOpenGLWidget check for the attribute + app->setAttribute(Qt::AA_ShareOpenGLContexts); +} +} // namespace QtWebEngineCore |