kwin/plugins/platforms/virtual/scene_qpainter_virtual_backend.h
2020-08-07 19:57:56 +00:00

47 lines
1.1 KiB
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_VIRTUAL_BACKEND_H
#define KWIN_SCENE_QPAINTER_VIRTUAL_BACKEND_H
#include <platformsupport/scenes/qpainter/backend.h>
#include <QObject>
#include <QVector>
namespace KWin
{
class VirtualBackend;
class VirtualQPainterBackend : public QObject, public QPainterBackend
{
Q_OBJECT
public:
VirtualQPainterBackend(VirtualBackend *backend);
~VirtualQPainterBackend() override;
QImage *buffer() override;
QImage *bufferForScreen(int screenId) override;
bool needsFullRepaint() const override;
bool usesOverlayWindow() const override;
void prepareRenderingFrame() override;
void present(int mask, const QRegion &damage) override;
bool perScreenRendering() const override;
private:
void createOutputs();
QVector<QImage> m_backBuffers;
VirtualBackend *m_backend;
int m_frameCounter = 0;
};
}
#endif