92 lines
2 KiB
C++
92 lines
2 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
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SPDX-FileCopyrightText: 2013, 2015 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_SCENE_QPAINTER_WAYLAND_BACKEND_H
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#define KWIN_SCENE_QPAINTER_WAYLAND_BACKEND_H
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#include <platformsupport/scenes/qpainter/qpainterbackend.h>
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#include <QObject>
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#include <QImage>
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#include <QWeakPointer>
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namespace KWayland
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{
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namespace Client
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{
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class ShmPool;
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class Buffer;
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}
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}
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namespace KWin
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{
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class AbstractOutput;
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namespace Wayland
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{
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class WaylandBackend;
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class WaylandOutput;
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class WaylandQPainterBackend;
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class WaylandQPainterOutput : public QObject
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{
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Q_OBJECT
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public:
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WaylandQPainterOutput(WaylandOutput *output, QObject *parent = nullptr);
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~WaylandQPainterOutput() override;
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bool init(KWayland::Client::ShmPool *pool);
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void updateSize(const QSize &size);
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void remapBuffer();
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void prepareRenderingFrame();
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void present(const QRegion &damage);
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bool needsFullRepaint() const;
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void setNeedsFullRepaint(bool set);
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QRegion mapToLocal(const QRegion ®ion) const;
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private:
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WaylandOutput *m_waylandOutput;
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KWayland::Client::ShmPool *m_pool;
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QWeakPointer<KWayland::Client::Buffer> m_buffer;
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QImage m_backBuffer;
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bool m_needsFullRepaint = true;
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friend class WaylandQPainterBackend;
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};
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class WaylandQPainterBackend : public QObject, public QPainterBackend
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{
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Q_OBJECT
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public:
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explicit WaylandQPainterBackend(WaylandBackend *b);
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~WaylandQPainterBackend() override;
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QImage *bufferForScreen(int screenId) override;
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void endFrame(int screenId, int mask, const QRegion& damage) override;
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void beginFrame(int screenId) override;
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bool needsFullRepaint(int screenId) const override;
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private:
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void createOutput(AbstractOutput *waylandOutput);
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void frameRendered();
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WaylandBackend *m_backend;
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QVector<WaylandQPainterOutput*> m_outputs;
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};
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}
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}
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#endif
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