1 files changed, 82 insertions, 0 deletions
diff --git a/src/compositor/extensions/qwaylandpresentationtime_p_p.h b/src/compositor/extensions/qwaylandpresentationtime_p_p.h
new file mode 100644
index 000000000..8e0cf42af
--- /dev/null
+++ b/src/compositor/extensions/qwaylandpresentationtime_p_p.h
@@ -0,0 +1,82 @@
+// Copyright (C) 2021 LG Electronics Inc.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef QWAYLANDPRESENTATIONTIME_P_P_H
+#define QWAYLANDPRESENTATIONTIME_P_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtWaylandCompositor/private/qwaylandcompositorextension_p.h>
+#include <QtWaylandCompositor/private/qwayland-server-presentation-time.h>
+
+#include <QObject>
+#include <QPointer>
+#include <QMultiMap>
+
+QT_BEGIN_NAMESPACE
+
+
+class QWaylandSurface;
+class QWaylandView;
+class QQuickWindow;
+
+class PresentationFeedback : public QObject, public QtWaylandServer::wp_presentation_feedback
+{
+    Q_OBJECT
+public:
+    PresentationFeedback(QWaylandPresentationTime *, QWaylandSurface *, struct ::wl_client *, uint32_t, int);
+
+    void setSurface(QWaylandSurface *);
+    QWaylandSurface *surface() { return m_surface; }
+
+    void destroy();
+    void sendSyncOutput();
+
+private Q_SLOTS:
+    void discard();
+    void onSurfaceCommit();
+    void onSurfaceMapped();
+    void onWindowChanged();
+    void onSync();
+    void onSwapped();
+    void sendPresented(quint64 sequence, quint64 tv_sec, quint32 tv_nsec, quint32 refresh_nsec);
+
+private:
+    QWaylandPresentationTime *presentationTime() { return m_presentationTime; }
+    void maybeConnectToWindow(QWaylandView *);
+    void connectToWindow(QQuickWindow *);
+
+    void wp_presentation_feedback_destroy_resource(Resource *resource) override;
+
+public:
+    QWaylandPresentationTime *m_presentationTime = nullptr;
+    QWaylandSurface *m_surface = nullptr;
+    QQuickWindow *m_connectedWindow = nullptr;
+
+    bool m_committed = false;
+    bool m_sync = false;
+};
+
+class QWaylandPresentationTimePrivate : public QWaylandCompositorExtensionPrivate, public QtWaylandServer::wp_presentation
+{
+    Q_DECLARE_PUBLIC(QWaylandPresentationTime)
+public:
+    QWaylandPresentationTimePrivate();
+
+protected:
+    void wp_presentation_feedback(Resource *resource, struct ::wl_resource *surface, uint32_t callback) override;
+    void wp_presentation_bind_resource(Resource *resource) override;
+};
+
+QT_END_NAMESPACE
+
+#endif