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| |
| #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; |
| }; |
| |
| class SharedTexture : public QSGTexture |
| { |
| Q_OBJECT |
| public: |
| SharedTexture(QtWaylandClient::QWaylandServerBuffer *buffer); |
| |
| int textureId() const override; |
| QSize textureSize() const override; |
| bool hasAlphaChannel() const override; |
| bool hasMipmaps() const override; |
| |
| void bind() override; |
| |
| private: |
| void updateGLTexture() const; |
| QtWaylandClient::QWaylandServerBuffer *m_buffer = nullptr; |
| mutable QOpenGLTexture *m_tex = nullptr; |
| }; |
| |
| |
| QT_END_NAMESPACE |
| |
| #endif // SHAREDTEXTUREPROVIDER_H |