| 1 | // Copyright (C) 2019 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | // |
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| 5 | // W A R N I N G |
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| 6 | // ------------- |
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| 7 | // |
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| 8 | // This file is not part of the Qt API. It exists purely as an |
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| 9 | // implementation detail. This header file may change from version to |
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| 10 | // version without notice, or even be removed. |
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| 11 | // |
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| 12 | // We mean it. |
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| 13 | // |
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| 14 | |
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| 15 | #ifndef SHAREDTEXTUREPROVIDER_H |
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| 16 | #define SHAREDTEXTUREPROVIDER_H |
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| 17 | |
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| 18 | #include <QOpenGLFunctions> |
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| 19 | #include <QQuickImageProvider> |
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| 20 | #include <QtQuick/QSGTexture> |
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| 21 | #include <QScopedPointer> |
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| 22 | #include <QHash> |
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| 23 | |
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| 24 | #include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h> |
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| 25 | |
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| 26 | QT_BEGIN_NAMESPACE |
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| 27 | |
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| 28 | class TextureSharingExtension; |
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| 29 | |
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| 30 | class SharedTextureRegistry : public QObject |
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| 31 | { |
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| 32 | Q_OBJECT |
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| 33 | public: |
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| 34 | SharedTextureRegistry(); |
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| 35 | ~SharedTextureRegistry() override; |
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| 36 | |
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| 37 | const QtWaylandClient::QWaylandServerBuffer *bufferForId(const QString &id) const; |
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| 38 | void requestBuffer(const QString &id); |
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| 39 | void abandonBuffer(const QString &id); |
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| 40 | |
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| 41 | static bool preinitialize(); |
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| 42 | |
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| 43 | public Q_SLOTS: |
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| 44 | void receiveBuffer(QtWaylandClient::QWaylandServerBuffer *buffer, const QString &id); |
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| 45 | |
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| 46 | Q_SIGNALS: |
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| 47 | void replyReceived(const QString &id); |
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| 48 | |
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| 49 | private Q_SLOTS: |
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| 50 | void handleExtensionActive(); |
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| 51 | |
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| 52 | private: |
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| 53 | TextureSharingExtension *m_extension = nullptr; |
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| 54 | QHash<QString, QtWaylandClient::QWaylandServerBuffer *> m_buffers; |
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| 55 | QStringList m_pendingBuffers; |
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| 56 | }; |
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| 57 | |
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| 58 | class SharedTextureProvider : public QQuickAsyncImageProvider |
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| 59 | { |
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| 60 | public: |
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| 61 | SharedTextureProvider(); |
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| 62 | ~SharedTextureProvider() override; |
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| 63 | |
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| 64 | QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) override; |
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| 65 | |
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| 66 | private: |
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| 67 | SharedTextureRegistry *m_registry = nullptr; |
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| 68 | bool m_sharingAvailable = false; |
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| 69 | }; |
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| 70 | |
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| 71 | QT_END_NAMESPACE |
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| 72 | |
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| 73 | #endif // SHAREDTEXTUREPROVIDER_H |
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| 74 | |
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