kwin/effects/blur/blur_config.cpp
Philipp Knechtges ef9aeafe0d kwin: Optimizing Blur Part II
This patch adds an optional texture cache to the blur effect such that damaged windows in
front of the blurred region dont trigger a repaint of the whole blurred region which pretty
often results in a avalanche repaint of nearly the whole screen.

REVIEW: 101977
2011-09-18 02:01:31 +02:00

79 lines
2.1 KiB
C++

/*
* Copyright © 2010 Fredrik Höglund <fredrik@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; see the file COPYING. if not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "blur_config.h"
#include <kwineffects.h>
namespace KWin
{
KWIN_EFFECT_CONFIG_FACTORY
BlurEffectConfig::BlurEffectConfig(QWidget *parent, const QVariantList &args)
: KCModule(EffectFactory::componentData(), parent, args)
{
ui.setupUi(this);
connect(ui.slider, SIGNAL(valueChanged(int)), SLOT(valueChanged(int)));
connect(ui.checkBox, SIGNAL(stateChanged(int)), SLOT(valueChanged(int)));
load();
}
BlurEffectConfig::~BlurEffectConfig()
{
}
void BlurEffectConfig::load()
{
KCModule::load();
KConfigGroup cg = EffectsHandler::effectConfig("Blur");
ui.slider->setValue(cg.readEntry("BlurRadius", 12) / 2);
ui.checkBox->setChecked(cg.readEntry("CacheTexture", true));
emit changed(false);
}
void BlurEffectConfig::save()
{
KCModule::save();
KConfigGroup cg = EffectsHandler::effectConfig("Blur");
cg.writeEntry("BlurRadius", ui.slider->value() * 2);
cg.writeEntry("CacheTexture", ui.checkBox->isChecked());
cg.sync();
emit changed(false);
EffectsHandler::sendReloadMessage("blur");
}
void BlurEffectConfig::defaults()
{
emit changed(true);
}
void BlurEffectConfig::valueChanged(int value)
{
Q_UNUSED(value)
emit changed(true);
}
} // namespace KWin
#include "blur_config.moc"