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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #include "qsgsoftwareadaptation_p.h"
++ #include "qsgsoftwarecontext_p.h"
++ #include "qsgsoftwarerenderloop_p.h"
++ #include "qsgsoftwarethreadedrenderloop_p.h"
++
++ #include <private/qguiapplication_p.h>
++ #include <qpa/qplatformintegration.h>
++
++ QT_BEGIN_NAMESPACE
++
++ QSGSoftwareAdaptation::QSGSoftwareAdaptation(QObject *parent)
++ : QSGContextPlugin(parent)
++ {
++ }
++
++ QStringList QSGSoftwareAdaptation::keys() const
++ {
++ return QStringList() << QLatin1String("software") << QLatin1String("softwarecontext");
++ }
++
++ QSGContext *QSGSoftwareAdaptation::create(const QString &) const
++ {
++ if (!instance)
++ instance = new QSGSoftwareContext();
++ return instance;
++ }
++
++ QSGContextFactoryInterface::Flags QSGSoftwareAdaptation::flags(const QString &) const
++ {
++ // Claim we support adaptable shader effects, then return null for the
++ // shader effect node. The result is shader effects not being rendered,
++ // with the application working fine in all other respects.
++ return QSGContextFactoryInterface::SupportsShaderEffectNode;
++ }
++
++ QSGRenderLoop *QSGSoftwareAdaptation::createWindowManager()
++ {
++ #if QT_CONFIG(thread)
++ static bool threaded = false;
++ static bool envChecked = false;
++ if (!envChecked) {
++ envChecked = true;
++ threaded = qgetenv("QSG_RENDER_LOOP") == "threaded";
++ }
++
++ if (threaded)
++ return new QSGSoftwareThreadedRenderLoop;
++ #endif
++
++ return new QSGSoftwareRenderLoop();
++ }
++
++ QSGSoftwareContext *QSGSoftwareAdaptation::instance = nullptr;
++
++ QT_END_NAMESPACE