| 1 | // Copyright (C) 2021 LG Electronics Inc. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #include <QtQml/qqmlextensionplugin.h> |
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| 5 | #include <QtQml/qqml.h> |
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| 6 | |
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| 7 | #include <QtWaylandCompositor/qwaylandquickextension.h> |
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| 8 | #include <QtWaylandCompositor/private/qwaylandpresentationtime_p.h> |
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| 9 | |
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| 10 | QT_BEGIN_NAMESPACE |
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| 11 | |
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| 12 | Q_COMPOSITOR_DECLARE_QUICK_EXTENSION_CLASS(QWaylandPresentationTime) |
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| 13 | |
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| 14 | /*! |
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| 15 | \qmlmodule QtWayland.Compositor.PresentationTime |
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| 16 | \title Qt Wayland Presentation Time Extension |
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| 17 | \ingroup qmlmodules |
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| 18 | \since 6.3 |
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| 19 | \brief Provides tracking the timing when a frame is presented on screen. |
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| 20 | |
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| 21 | \section2 Summary |
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| 22 | The PresentationTime extension provides a way to track rendering timing |
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| 23 | for a surface. Client can request feedbacks associated with a surface, |
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| 24 | then compositor send events for the feedback with the time when the surface |
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| 25 | is presented on-screen. |
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| 26 | |
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| 27 | PresentationTime corresponds to the Wayland \c wp_presentation interface. |
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| 28 | |
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| 29 | \section2 Usage |
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| 30 | To use this module, import it like this: |
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| 31 | \qml |
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| 32 | import QtWayland.Compositor.PresentationTime |
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| 33 | \endqml |
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| 34 | */ |
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| 35 | |
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| 36 | class QWaylandCompositorPresentationTimePlugin : public QQmlExtensionPlugin |
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| 37 | { |
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| 38 | Q_OBJECT |
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| 39 | Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid) |
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| 40 | public: |
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| 41 | void registerTypes(const char *uri) override |
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| 42 | { |
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| 43 | Q_ASSERT(QLatin1String(uri) == QLatin1String("QtWayland.Compositor.PresentationTime" )); |
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| 44 | defineModule(uri); |
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| 45 | } |
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| 46 | |
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| 47 | static void defineModule(const char *uri) |
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| 48 | { |
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| 49 | qmlRegisterModule(uri, QT_VERSION_MAJOR, QT_VERSION_MINOR); |
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| 50 | qmlRegisterType<QWaylandPresentationTime>(uri, versionMajor: 1, versionMinor: 0, qmlName: "PresentationTime" ); |
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| 51 | } |
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| 52 | }; |
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| 53 | QT_END_NAMESPACE |
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| 54 | |
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| 55 | #include "qwaylandcompositorpresentationtimeplugin.moc" |
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| 56 | |
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