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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "gl_share_context_qt.h"
#include <QtGui/qtgui-config.h>
#include <qpa/qplatformnativeinterface.h>
#include <QtGui/qopenglcontext_platform.h>
#if defined(Q_OS_MACOS)
#include "macos_context_type_helper.h"
#endif
#if QT_CONFIG(opengl)
#include <QOpenGLContext>
#include <QOpenGLExtraFunctions>
#endif
namespace QtWebEngineCore {
QtShareGLContext::QtShareGLContext(QOpenGLContext *qtContext)
: gl::GLContext(nullptr), m_handle(nullptr)
{
#if QT_CONFIG(opengl)
QOpenGLContext *context = QOpenGLContext::globalShareContext();
#if defined(Q_OS_MACOS)
auto *ctx = context->platformInterface<QPlatformInterface::QCocoaGLContext>();
if (ctx)
m_handle = cglContext(ctx->nativeContext());
#endif
#if defined(Q_OS_WIN)
auto *ctx = context->platformInterface<QPlatformInterface::QWGLContext>();
#endif
#if defined(Q_OS_LINUX)
auto *ctx = context->platformInterface<QPlatformInterface::QGLXContext>();
#endif
if (ctx && !m_handle)
m_handle = (void *)ctx->nativeContext();
#if QT_CONFIG(egl)
if (!m_handle) {
auto *ctx = context->platformInterface<QPlatformInterface::QEGLContext>();
if (ctx)
m_handle = (void *)ctx->nativeContext();
}
#endif
if (!m_handle)
qFatal("Could not get handle for shared contex");
#endif // QT_CONFIG(opengl)
}
unsigned int QtShareGLContext::CheckStickyGraphicsResetStatus()
{
#if QT_CONFIG(opengl)
if (QOpenGLContext *context = QOpenGLContext::globalShareContext()) {
if (context->format().testOption(QSurfaceFormat::ResetNotification))
return context->extraFunctions()->glGetGraphicsResetStatus();
}
#endif
return 0 /*GL_NO_ERROR*/;
}
void ShareGroupQt::AboutToAddFirstContext()
{
#if QT_CONFIG(opengl)
// This currently has to be setup by ::main in all applications using QQuickWebEngineView with
// delegated rendering.
QOpenGLContext *shareContext = QOpenGLContext::globalShareContext();
if (!shareContext) {
qFatal("QWebEngine: OpenGL resource sharing is not set up in QtQuick. Please make sure to "
"call QtWebEngine::initialize() in your main() function before QCoreApplication is "
"created.");
}
m_shareContextQt = new QtShareGLContext(shareContext);
#endif
}
} // namespace
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