017528956b
This way the Compositor can know if per screen rendering is enabled before creating the Scene.
83 lines
2.2 KiB
C++
83 lines
2.2 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
|
|
*/
|
|
#include "scene_qpainter_fb_backend.h"
|
|
#include "fb_backend.h"
|
|
#include "composite.h"
|
|
#include "logind.h"
|
|
#include "cursor.h"
|
|
#include "virtual_terminal.h"
|
|
// Qt
|
|
#include <QPainter>
|
|
|
|
namespace KWin
|
|
{
|
|
FramebufferQPainterBackend::FramebufferQPainterBackend(FramebufferBackend *backend)
|
|
: QObject()
|
|
, QPainterBackend()
|
|
, m_renderBuffer(backend->screenSize(), QImage::Format_RGB32)
|
|
, m_backend(backend)
|
|
, m_needsFullRepaint(true)
|
|
{
|
|
m_renderBuffer.fill(Qt::black);
|
|
m_backend->map();
|
|
|
|
m_backBuffer = QImage((uchar*)m_backend->mappedMemory(),
|
|
m_backend->bytesPerLine() / (m_backend->bitsPerPixel() / 8),
|
|
m_backend->bufferSize() / m_backend->bytesPerLine(),
|
|
m_backend->bytesPerLine(), m_backend->imageFormat());
|
|
m_backBuffer.fill(Qt::black);
|
|
|
|
connect(VirtualTerminal::self(), &VirtualTerminal::activeChanged, this,
|
|
[] (bool active) {
|
|
if (active) {
|
|
Compositor::self()->bufferSwapComplete();
|
|
Compositor::self()->addRepaintFull();
|
|
} else {
|
|
Compositor::self()->aboutToSwapBuffers();
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
FramebufferQPainterBackend::~FramebufferQPainterBackend() = default;
|
|
|
|
QImage* FramebufferQPainterBackend::bufferForScreen(int screenId)
|
|
{
|
|
Q_UNUSED(screenId)
|
|
return &m_renderBuffer;
|
|
}
|
|
|
|
bool FramebufferQPainterBackend::needsFullRepaint(int screenId) const
|
|
{
|
|
Q_UNUSED(screenId)
|
|
return m_needsFullRepaint;
|
|
}
|
|
|
|
void FramebufferQPainterBackend::beginFrame(int screenId)
|
|
{
|
|
Q_UNUSED(screenId)
|
|
m_needsFullRepaint = true;
|
|
}
|
|
|
|
void FramebufferQPainterBackend::endFrame(int screenId, int mask, const QRegion &damage)
|
|
{
|
|
Q_UNUSED(screenId)
|
|
Q_UNUSED(mask)
|
|
Q_UNUSED(damage)
|
|
|
|
if (!LogindIntegration::self()->isActiveSession()) {
|
|
return;
|
|
}
|
|
m_needsFullRepaint = false;
|
|
|
|
QPainter p(&m_backBuffer);
|
|
p.drawImage(QPoint(0, 0), m_backend->isBGR() ? m_renderBuffer.rgbSwapped() : m_renderBuffer);
|
|
}
|
|
|
|
}
|