parent
06d8206192
commit
df6221ae4a
6 changed files with 159 additions and 102 deletions
@ -0,0 +1,105 @@ |
|||||||
|
/********************************************************************
|
||||||
|
KWin - the KDE window manager |
||||||
|
This file is part of the KDE project. |
||||||
|
|
||||||
|
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org> |
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or modify |
||||||
|
it under the terms of the GNU General Public License as published by |
||||||
|
the Free Software Foundation; either version 2 of the License, or |
||||||
|
(at your option) any later version. |
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful, |
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||||
|
GNU General Public License for more details. |
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License |
||||||
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*********************************************************************/ |
||||||
|
#include "scene_qpainter_fb_backend.h" |
||||||
|
#include "fb_backend.h" |
||||||
|
#include "composite.h" |
||||||
|
#include "cursor.h" |
||||||
|
#include "virtual_terminal.h" |
||||||
|
// Qt
|
||||||
|
#include <QPainter> |
||||||
|
|
||||||
|
namespace KWin |
||||||
|
{ |
||||||
|
FramebufferQPainterBackend::FramebufferQPainterBackend(FramebufferBackend *backend) |
||||||
|
: QObject() |
||||||
|
, QPainterBackend() |
||||||
|
, m_renderBuffer(backend->size(), QImage::Format_RGB32) |
||||||
|
, m_backend(backend) |
||||||
|
{ |
||||||
|
m_renderBuffer.fill(Qt::black); |
||||||
|
|
||||||
|
m_backend->map(); |
||||||
|
|
||||||
|
m_backBuffer = QImage((uchar*)backend->mappedMemory(), |
||||||
|
backend->bytesPerLine() / (backend->bitsPerPixel() / 8), |
||||||
|
backend->bufferSize() / backend->bytesPerLine(), |
||||||
|
backend->bytesPerLine(), backend->imageFormat()); |
||||||
|
|
||||||
|
m_backBuffer.fill(Qt::black); |
||||||
|
connect(VirtualTerminal::self(), &VirtualTerminal::activeChanged, this, |
||||||
|
[this] (bool active) { |
||||||
|
if (active) { |
||||||
|
Compositor::self()->bufferSwapComplete(); |
||||||
|
Compositor::self()->addRepaintFull(); |
||||||
|
} else { |
||||||
|
Compositor::self()->aboutToSwapBuffers(); |
||||||
|
} |
||||||
|
} |
||||||
|
); |
||||||
|
} |
||||||
|
|
||||||
|
FramebufferQPainterBackend::~FramebufferQPainterBackend() = default; |
||||||
|
|
||||||
|
QImage *FramebufferQPainterBackend::buffer() |
||||||
|
{ |
||||||
|
return &m_renderBuffer; |
||||||
|
} |
||||||
|
|
||||||
|
bool FramebufferQPainterBackend::needsFullRepaint() const |
||||||
|
{ |
||||||
|
return false; |
||||||
|
} |
||||||
|
|
||||||
|
void FramebufferQPainterBackend::prepareRenderingFrame() |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
void FramebufferQPainterBackend::present(int mask, const QRegion &damage) |
||||||
|
{ |
||||||
|
Q_UNUSED(mask) |
||||||
|
Q_UNUSED(damage) |
||||||
|
if (!VirtualTerminal::self()->isActive()) { |
||||||
|
return; |
||||||
|
} |
||||||
|
QPainter p(&m_backBuffer); |
||||||
|
p.drawImage(QPoint(0, 0), m_renderBuffer); |
||||||
|
} |
||||||
|
|
||||||
|
bool FramebufferQPainterBackend::usesOverlayWindow() const |
||||||
|
{ |
||||||
|
return false; |
||||||
|
} |
||||||
|
|
||||||
|
void FramebufferQPainterBackend::renderCursor(QPainter *painter) |
||||||
|
{ |
||||||
|
if (!m_backend->usesSoftwareCursor()) { |
||||||
|
return; |
||||||
|
} |
||||||
|
const QImage img = m_backend->softwareCursor(); |
||||||
|
if (img.isNull()) { |
||||||
|
return; |
||||||
|
} |
||||||
|
const QPoint cursorPos = Cursor::pos(); |
||||||
|
const QPoint hotspot = m_backend->softwareCursorHotspot(); |
||||||
|
painter->drawImage(cursorPos - hotspot, img); |
||||||
|
m_backend->markCursorAsRendered(); |
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
@ -0,0 +1,52 @@ |
|||||||
|
/********************************************************************
|
||||||
|
KWin - the KDE window manager |
||||||
|
This file is part of the KDE project. |
||||||
|
|
||||||
|
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org> |
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or modify |
||||||
|
it under the terms of the GNU General Public License as published by |
||||||
|
the Free Software Foundation; either version 2 of the License, or |
||||||
|
(at your option) any later version. |
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful, |
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||||
|
GNU General Public License for more details. |
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License |
||||||
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*********************************************************************/ |
||||||
|
#ifndef KWIN_SCENE_QPAINTER_FB_BACKEND_H |
||||||
|
#define KWIN_SCENE_QPAINTER_FB_BACKEND_H |
||||||
|
#include "scene_qpainter.h" |
||||||
|
|
||||||
|
#include <QObject> |
||||||
|
|
||||||
|
namespace KWin |
||||||
|
{ |
||||||
|
class FramebufferBackend; |
||||||
|
|
||||||
|
class FramebufferQPainterBackend : public QObject, public QPainterBackend |
||||||
|
{ |
||||||
|
Q_OBJECT |
||||||
|
public: |
||||||
|
FramebufferQPainterBackend(FramebufferBackend *backend); |
||||||
|
virtual ~FramebufferQPainterBackend(); |
||||||
|
|
||||||
|
QImage *buffer() override; |
||||||
|
bool needsFullRepaint() const override; |
||||||
|
bool usesOverlayWindow() const override; |
||||||
|
void prepareRenderingFrame() override; |
||||||
|
void present(int mask, const QRegion &damage) override; |
||||||
|
void renderCursor(QPainter *painter) override; |
||||||
|
|
||||||
|
private: |
||||||
|
QImage m_renderBuffer; |
||||||
|
QImage m_backBuffer; |
||||||
|
FramebufferBackend *m_backend; |
||||||
|
}; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
#endif |
||||||
Loading…
Reference in new issue