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Diffstat (limited to 'src/compositor/extensions/qwltexturesharingextension_p.h')
-rw-r--r-- | src/compositor/extensions/qwltexturesharingextension_p.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/compositor/extensions/qwltexturesharingextension_p.h b/src/compositor/extensions/qwltexturesharingextension_p.h new file mode 100644 index 00000000..8f442a20 --- /dev/null +++ b/src/compositor/extensions/qwltexturesharingextension_p.h @@ -0,0 +1,159 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtWaylandCompositor module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWLTEXTURESHARINGEXTENSION_P_H +#define QWLTEXTURESHARINGEXTENSION_P_H + +// +// 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. +// + +#include "wayland-util.h" + +#include <QtCore/QMap> +#include <QtCore/QHash> + +#include <QtWaylandCompositor/QWaylandCompositorExtensionTemplate> +#include <QtWaylandCompositor/QWaylandQuickExtension> +#include <QtWaylandCompositor/QWaylandCompositor> + +#include <QQuickImageProvider> + +#include <QtWaylandCompositor/private/qwaylandcompositor_p.h> +#include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h> + +#include <QtWaylandCompositor/private/qwayland-server-qt-texture-sharing-unstable-v1.h> + +QT_BEGIN_NAMESPACE + +namespace QtWayland +{ + class ServerBufferIntegration; +} + +class QWaylandTextureSharingExtension; +class SharedTextureImageResponse; + +class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandSharedTextureProvider : public QQuickAsyncImageProvider +{ +public: + QWaylandSharedTextureProvider(); + ~QWaylandSharedTextureProvider() override; + + QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) override; + void setExtensionReady(QWaylandTextureSharingExtension *extension); + +private: + QVector<SharedTextureImageResponse*> m_pendingResponses; +}; + +class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandTextureSharingExtension + : public QWaylandCompositorExtensionTemplate<QWaylandTextureSharingExtension> + , public QtWaylandServer::zqt_texture_sharing_v1 +{ + Q_OBJECT + Q_PROPERTY(QString imageSearchPath WRITE setImageSearchPath) +public: + QWaylandTextureSharingExtension(); + QWaylandTextureSharingExtension(QWaylandCompositor *compositor); + ~QWaylandTextureSharingExtension() override; + + void initialize() override; + + void setImageSearchPath(const QString &path); + + static QWaylandTextureSharingExtension *self() { return s_self; } + +public slots: + void requestBuffer(const QString &key); + +signals: + void bufferResult(const QString &key, QtWayland::ServerBuffer *buffer); + +protected slots: + void cleanupBuffers(); + +protected: + void zqt_texture_sharing_v1_request_image(Resource *resource, const QString &key) override; + void zqt_texture_sharing_v1_abandon_image(Resource *resource, const QString &key) override; + void zqt_texture_sharing_v1_destroy_resource(Resource *resource) override; + + virtual bool customPixelData(const QString &key, QByteArray *data, QSize *size, uint *glInternalFormat) + { + Q_UNUSED(key); + Q_UNUSED(data); + Q_UNUSED(size); + Q_UNUSED(glInternalFormat); + return false; + } + +private: + QtWayland::ServerBuffer *getBuffer(const QString &key); + bool initServerBufferIntegration(); + QtWayland::ServerBuffer *getCompressedBuffer(const QString &key); + QString getExistingFilePath(const QString &key) const; + void dumpBufferInfo(); + + struct BufferInfo + { + BufferInfo(QtWayland::ServerBuffer *b = nullptr) : buffer(b) {} + QtWayland::ServerBuffer *buffer = nullptr; + bool usedLocally = false; + }; + + QStringList m_image_dirs; + QStringList m_image_suffixes; + QHash<QString, BufferInfo> m_server_buffers; + QtWayland::ServerBufferIntegration *m_server_buffer_integration = nullptr; + + static QWaylandTextureSharingExtension *s_self; +}; + +Q_COMPOSITOR_DECLARE_QUICK_EXTENSION_CLASS(QWaylandTextureSharingExtension) + +QT_END_NAMESPACE + +#endif // QWLTEXTURESHARINGEXTENSION_P_H |