File indexing completed on 2024-06-09 05:26:04 

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
0006     SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
0007 
0008     SPDX-License-Identifier: GPL-2.0-or-later
0009 */
0010 #pragma once
0011 
0012 #include <QPointer>
0013 
0014 #include <qpa/qplatformbackingstore.h>
0015 
0016 namespace KWin
0017 {
0018 
0019 class GraphicsBuffer;
0020 class GraphicsBufferView;
0021 
0022 namespace QPA
0023 {
0024 
0025 class BackingStore : public QPlatformBackingStore
0026 {
0027 public:
0028     explicit BackingStore(QWindow *window);
0029 
0030     QPaintDevice *paintDevice() override;
0031     void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
0032     void resize(const QSize &size, const QRegion &staticContents) override;
0033     void beginPaint(const QRegion &region) override;
0034     void endPaint() override;
0035 
0036 private:
0037     QPointer<GraphicsBuffer> m_buffer;
0038     std::unique_ptr<GraphicsBufferView> m_bufferView;
0039 };
0040 
0041 }
0042 }