Differential D7259 Diff 18039 platformsupport/scenes/qpainter/backend.cpp

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platformsupport/scenes/qpainter/backend.cpp

  • This file was copied from plugins/platforms/fbdev/scene_qpainter_fb_backend.h.
1/******************************************************************** 1​/********************************************************************
2 KWin - the KDE window manager 2​ KWin - the KDE window manager
3 This file is part of the KDE project. 3​ This file is part of the KDE project.
4 4​
5Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org> 5​Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
6 6​
7This program is free software; you can redistribute it and/or modify 7​This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by 8​it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or 9​the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version. 10​(at your option) any later version.
11 11​
12This program is distributed in the hope that it will be useful, 12​This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of 13​but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14​MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details. 15​GNU General Public License for more details.
16 16​
17You should have received a copy of the GNU General Public License 17​You should have received a copy of the GNU General Public License
18along with this program. If not, see <http://www.gnu.org/licenses/>. 18​along with this program. If not, see <http://www.gnu.org/licenses/>.
19*********************************************************************/ 19​*********************************************************************/
20#ifndef KWIN_SCENE_QPAINTER_FB_BACKEND_H 20​#include "backend.h"
21#define KWIN_SCENE_QPAINTER_FB_BACKEND_H 21​#include <logging.h>
22#include "scene_qpainter.h" ​
23 22​
24#include <QObject> 23​#include <QtGlobal>
25 24​
26namespace KWin 25​namespace KWin
27{ 26​{
28class FramebufferBackend; ​
29 27​
30class FramebufferQPainterBackend : public QObject, public QPainterBackend 28​QPainterBackend::QPainterBackend()
29​ : m_failed(false)
31{ 30​{
32 Q_OBJECT 31​}
33public: ​
34 FramebufferQPainterBackend(FramebufferBackend *backend); ​
35 virtual ~FramebufferQPainterBackend(); ​
36 32​
37 QImage *buffer() override; 33​QPainterBackend::~QPainterBackend()
38 bool needsFullRepaint() const override; 34​{
39 bool usesOverlayWindow() const override; 35​}
40 void prepareRenderingFrame() override; 36​
41 void present(int mask, const QRegion &damage) override; 37​OverlayWindow* QPainterBackend::overlayWindow()
38​{
39​ return nullptr;
40​}
42 41​
43private: 42​void QPainterBackend::showOverlay()
44 QImage m_renderBuffer; 43​{
45 QImage m_backBuffer; 44​}
46 FramebufferBackend *m_backend; ​
47}; ​
48 45​
46​void QPainterBackend::screenGeometryChanged(const QSize &size)
47​{
48​ Q_UNUSED(size)
49} 49​}
50 50​
51#endif 51​void QPainterBackend::setFailed(const QString &reason)
52​{
53​ qCWarning(KWIN_QPAINTER) << "Creating the QPainter backend failed: " << reason;
54​ m_failed = true;
55​}
56​
57​bool QPainterBackend::perScreenRendering() const
58​{
59​ return false;
60​}
61​
62​QImage *QPainterBackend::bufferForScreen(int screenId)
63​{
64​ Q_UNUSED(screenId)
65​ return buffer();
66​}
67​
68​}