yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[scene_qpainter] Use image format RGB32 as back buffer

Browse source 
No need for ARGB as our background is fully black anyway.
This commit is contained in:
Martin Gräßlin 2014-09-19 15:01:59 +02:00
parent 237ee7fcc7
commit 6833581bbb
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
scene_qpainter.cpp
View file

@ -81,7 +81,7 @@ void QPainterBackend::setFailed(const QString &reason)
WaylandQPainterBackend::WaylandQPainterBackend()
: QPainterBackend()
, m_needsFullRepaint(true)
, m_backBuffer(QImage(QSize(), QImage::Format_ARGB32_Premultiplied))
, m_backBuffer(QImage(QSize(), QImage::Format_RGB32))
, m_buffer(NULL)
{
connect(Wayland::WaylandBackend::self()->shmPool(), SIGNAL(poolResized()), SLOT(remapBuffer()));
@ -153,7 +153,7 @@ void WaylandQPainterBackend::prepareRenderingFrame()
return;
}
m_buffer->setUsed(true);
m_backBuffer = QImage(m_buffer->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied);
m_backBuffer = QImage(m_buffer->address(), size.width(), size.height(), QImage::Format_RGB32);
m_backBuffer.fill(Qt::transparent);
m_needsFullRepaint = true;
qDebug() << "Created a new back buffer";
@ -165,7 +165,7 @@ void WaylandQPainterBackend::remapBuffer()
return;
}
const QSize size = m_backBuffer.size();
m_backBuffer = QImage(m_buffer->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied);
m_backBuffer = QImage(m_buffer->address(), size.width(), size.height(), QImage::Format_RGB32);
qDebug() << "Remapped our back buffer";
}