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C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_SCENE_QPAINTER_X11_BACKEND_H
#define KWIN_SCENE_QPAINTER_X11_BACKEND_H
#include <platformsupport/scenes/qpainter/backend.h>
#include <QObject>
#include <QImage>
#include <QVector>
#include <xcb/xcb.h>
namespace KWin
{
class X11WindowedBackend;
class X11WindowedQPainterBackend : public QObject, public QPainterBackend
{
Q_OBJECT
public:
X11WindowedQPainterBackend(X11WindowedBackend *backend);
~X11WindowedQPainterBackend() override;
QImage *bufferForScreen(int screenId) override;
bool needsFullRepaint(int screenId) const override;
void beginFrame(int screenId) override;
void endFrame(int screenId, int mask, const QRegion &damage) override;
private:
void createOutputs();
xcb_gcontext_t m_gc = XCB_NONE;
X11WindowedBackend *m_backend;
struct Output {
xcb_window_t window;
QImage buffer;
bool needsFullRepaint = true;
};
QVector<Output*> m_outputs;
};
}
#endif