/* KWin - the KDE window manager This file is part of the KDE project. SPDX-FileCopyrightText: 2015 Martin Gräßlin SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef KWIN_SCENE_QPAINTER_FB_BACKEND_H #define KWIN_SCENE_QPAINTER_FB_BACKEND_H #include "qpainterbackend.h" #include #include namespace KWin { class FramebufferBackend; class FramebufferQPainterBackend : public QObject, public QPainterBackend { Q_OBJECT public: FramebufferQPainterBackend(FramebufferBackend *backend); ~FramebufferQPainterBackend() override; QImage *bufferForScreen(int screenId) override; bool needsFullRepaint(int screenId) const override; void beginFrame(int screenId) override; void endFrame(int screenId, const QRegion &damage) override; private: void reactivate(); void deactivate(); /** * @brief mapped memory buffer on fb device */ QImage m_renderBuffer; /** * @brief buffer to draw into */ QImage m_backBuffer; FramebufferBackend *m_backend; bool m_needsFullRepaint; }; } #endif