1 files changed, 73 insertions, 0 deletions
diff --git a/src/imports/texture-sharing/sharedtextureprovider_p.h b/src/imports/texture-sharing/sharedtextureprovider_p.h
new file mode 100644
index 000000000..aac772619
--- /dev/null
+++ b/src/imports/texture-sharing/sharedtextureprovider_p.h
@@ -0,0 +1,73 @@
+// Copyright (C) 2019 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
+
+//
+//  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.
+//
+
+#ifndef SHAREDTEXTUREPROVIDER_H
+#define SHAREDTEXTUREPROVIDER_H
+
+#include <QOpenGLFunctions>
+#include <QQuickImageProvider>
+#include <QtQuick/QSGTexture>
+#include <QScopedPointer>
+#include <QHash>
+
+#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class TextureSharingExtension;
+
+class SharedTextureRegistry : public QObject
+{
+    Q_OBJECT
+public:
+    SharedTextureRegistry();
+    ~SharedTextureRegistry() override;
+
+    const QtWaylandClient::QWaylandServerBuffer *bufferForId(const QString &id) const;
+    void requestBuffer(const QString &id);
+    void abandonBuffer(const QString &id);
+
+    static bool preinitialize();
+
+public Q_SLOTS:
+    void receiveBuffer(QtWaylandClient::QWaylandServerBuffer *buffer, const QString &id);
+
+Q_SIGNALS:
+    void replyReceived(const QString &id);
+
+private Q_SLOTS:
+    void handleExtensionActive();
+
+private:
+    TextureSharingExtension *m_extension = nullptr;
+    QHash<QString, QtWaylandClient::QWaylandServerBuffer *> m_buffers;
+    QStringList m_pendingBuffers;
+};
+
+class SharedTextureProvider : public QQuickAsyncImageProvider
+{
+public:
+    SharedTextureProvider();
+    ~SharedTextureProvider() override;
+
+    QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) override;
+
+private:
+    SharedTextureRegistry *m_registry = nullptr;
+    bool m_sharingAvailable = false;
+};
+
+QT_END_NAMESPACE
+
+#endif // SHAREDTEXTUREPROVIDER_H