| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qsgsoftwareadaptation_p.h" |
| 5 | #include "qsgsoftwarecontext_p.h" |
| 6 | #include "qsgsoftwarerenderloop_p.h" |
| 7 | #include "qsgsoftwarethreadedrenderloop_p.h" |
| 8 | |
| 9 | #include <private/qguiapplication_p.h> |
| 10 | #include <qpa/qplatformintegration.h> |
| 11 | |
| 12 | QT_BEGIN_NAMESPACE |
| 13 | |
| 14 | QSGSoftwareAdaptation::QSGSoftwareAdaptation(QObject *parent) |
| 15 | : QSGContextPlugin(parent) |
| 16 | { |
| 17 | } |
| 18 | |
| 19 | QStringList QSGSoftwareAdaptation::keys() const |
| 20 | { |
| 21 | return QStringList() << QLatin1String("software") << QLatin1String( "softwarecontext"); |
| 22 | } |
| 23 | |
| 24 | QSGContext *QSGSoftwareAdaptation::create(const QString &) const |
| 25 | { |
| 26 | if (!instance) |
| 27 | instance = new QSGSoftwareContext(); |
| 28 | return instance; |
| 29 | } |
| 30 | |
| 31 | QSGContextFactoryInterface::Flags QSGSoftwareAdaptation::flags(const QString &) const |
| 32 | { |
| 33 | // Claim we support adaptable shader effects, then return null for the |
| 34 | // shader effect node. The result is shader effects not being rendered, |
| 35 | // with the application working fine in all other respects. |
| 36 | return QSGContextFactoryInterface::SupportsShaderEffectNode; |
| 37 | } |
| 38 | |
| 39 | QSGRenderLoop *QSGSoftwareAdaptation::createWindowManager() |
| 40 | { |
| 41 | #if QT_CONFIG(thread) |
| 42 | static bool threaded = false; |
| 43 | static bool envChecked = false; |
| 44 | if (!envChecked) { |
| 45 | envChecked = true; |
| 46 | threaded = qgetenv(varName: "QSG_RENDER_LOOP") == "threaded"; |
| 47 | } |
| 48 | |
| 49 | if (threaded) |
| 50 | return new QSGSoftwareThreadedRenderLoop; |
| 51 | #endif |
| 52 | |
| 53 | return new QSGSoftwareRenderLoop(); |
| 54 | } |
| 55 | |
| 56 | QSGSoftwareContext *QSGSoftwareAdaptation::instance = nullptr; |
| 57 | |
| 58 | QT_END_NAMESPACE |
| 59 |