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Diffstat (limited to 'src/core/compositor/display_frame_sink.h')
-rw-r--r-- | src/core/compositor/display_frame_sink.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/core/compositor/display_frame_sink.h b/src/core/compositor/display_frame_sink.h new file mode 100644 index 000000000..f620dc4f2 --- /dev/null +++ b/src/core/compositor/display_frame_sink.h @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtWebEngine 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 DISPLAY_FRAME_SINK_H +#define DISPLAY_FRAME_SINK_H + +#include "display_consumer.h" +#include "display_producer.h" + +#include "base/memory/ref_counted.h" +#include "base/memory/scoped_refptr.h" +#include "components/viz/common/surfaces/frame_sink_id.h" + +#include <QMutex> + +namespace QtWebEngineCore { + +// Connects a DisplayConsumer with a DisplayProducer. +class DisplayFrameSink final : public base::RefCountedThreadSafe<DisplayFrameSink> +{ +public: + static scoped_refptr<DisplayFrameSink> findOrCreate(viz::FrameSinkId frameSinkId); + DisplayFrameSink(viz::FrameSinkId frameSinkId); + ~DisplayFrameSink(); + void connect(DisplayConsumer *consumer); + void connect(DisplayProducer *producer); + void disconnect(DisplayConsumer *consumer); + void disconnect(DisplayProducer *producer); + void scheduleUpdate(); + QSGNode *updatePaintNode(QSGNode *oldNode, RenderWidgetHostViewQtDelegate *delegate); + +private: + const viz::FrameSinkId m_frameSinkId; + mutable QMutex m_mutex; + DisplayProducer *m_producer = nullptr; + DisplayConsumer *m_consumer = nullptr; +}; + +} // namespace QtWebEngineCore + +#endif // !DISPLAY_FRAME_SINK_H |