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// 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 slots:
void receiveBuffer(QtWaylandClient::QWaylandServerBuffer *buffer, const QString &id);
signals:
void replyReceived(const QString &id);
private 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
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