| 1 | // Copyright (C) 2019 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 | // |
| 5 | // W A R N I N G |
| 6 | // ------------- |
| 7 | // |
| 8 | // This file is not part of the Qt API. It exists purely as an |
| 9 | // implementation detail. This header file may change from version to |
| 10 | // version without notice, or even be removed. |
| 11 | // |
| 12 | // We mean it. |
| 13 | // |
| 14 | |
| 15 | #ifndef SHAREDTEXTUREPROVIDER_H |
| 16 | #define SHAREDTEXTUREPROVIDER_H |
| 17 | |
| 18 | #include <QOpenGLFunctions> |
| 19 | #include <QQuickImageProvider> |
| 20 | #include <QtQuick/QSGTexture> |
| 21 | #include <QScopedPointer> |
| 22 | #include <QHash> |
| 23 | |
| 24 | #include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h> |
| 25 | |
| 26 | QT_BEGIN_NAMESPACE |
| 27 | |
| 28 | class TextureSharingExtension; |
| 29 | |
| 30 | class SharedTextureRegistry : public QObject |
| 31 | { |
| 32 | Q_OBJECT |
| 33 | public: |
| 34 | SharedTextureRegistry(); |
| 35 | ~SharedTextureRegistry() override; |
| 36 | |
| 37 | const QtWaylandClient::QWaylandServerBuffer *bufferForId(const QString &id) const; |
| 38 | void requestBuffer(const QString &id); |
| 39 | void abandonBuffer(const QString &id); |
| 40 | |
| 41 | static bool preinitialize(); |
| 42 | |
| 43 | public slots: |
| 44 | void receiveBuffer(QtWaylandClient::QWaylandServerBuffer *buffer, const QString &id); |
| 45 | |
| 46 | signals: |
| 47 | void replyReceived(const QString &id); |
| 48 | |
| 49 | private slots: |
| 50 | void handleExtensionActive(); |
| 51 | |
| 52 | private: |
| 53 | TextureSharingExtension *m_extension = nullptr; |
| 54 | QHash<QString, QtWaylandClient::QWaylandServerBuffer *> m_buffers; |
| 55 | QStringList m_pendingBuffers; |
| 56 | }; |
| 57 | |
| 58 | class SharedTextureProvider : public QQuickAsyncImageProvider |
| 59 | { |
| 60 | public: |
| 61 | SharedTextureProvider(); |
| 62 | ~SharedTextureProvider() override; |
| 63 | |
| 64 | QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) override; |
| 65 | |
| 66 | private: |
| 67 | SharedTextureRegistry *m_registry = nullptr; |
| 68 | bool m_sharingAvailable = false; |
| 69 | }; |
| 70 | |
| 71 | QT_END_NAMESPACE |
| 72 | |
| 73 | #endif // SHAREDTEXTUREPROVIDER_H |
| 74 |