52 lines
1.2 KiB
C++
52 lines
1.2 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: 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_FB_BACKEND_H
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#define KWIN_SCENE_QPAINTER_FB_BACKEND_H
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#include <platformsupport/scenes/qpainter/backend.h>
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#include <QObject>
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#include <QImage>
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namespace KWin
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{
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class FramebufferBackend;
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class FramebufferQPainterBackend : public QObject, public QPainterBackend
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{
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Q_OBJECT
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public:
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FramebufferQPainterBackend(FramebufferBackend *backend);
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~FramebufferQPainterBackend() override;
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QImage *buffer() override;
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QImage *bufferForScreen(int screenId) override;
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bool needsFullRepaint() const override;
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bool usesOverlayWindow() const override;
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void prepareRenderingFrame() override;
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void present(int mask, const QRegion &damage) override;
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bool perScreenRendering() const override;
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private:
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/**
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* @brief mapped memory buffer on fb device
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*/
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QImage m_renderBuffer;
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/**
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* @brief buffer to draw into
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*/
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QImage m_backBuffer;
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FramebufferBackend *m_backend;
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bool m_needsFullRepaint;
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};
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}
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#endif
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