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-rw-r--r--src/imports/texture-sharing/sharedtextureprovider.h118
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diff --git a/src/imports/texture-sharing/sharedtextureprovider.h b/src/imports/texture-sharing/sharedtextureprovider.h
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-/****************************************************************************
-**
-** Copyright (C) 2019 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins 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 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