cbb4248a2a
GLSL shaders are supported. Currently disabled when the NVIDIA driver is used because of a driver issue that will need to be worked around. svn path=/trunk/KDE/kdebase/workspace/; revision=1125672
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
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Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_TASKBARTHUMBNAIL_H
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#define KWIN_TASKBARTHUMBNAIL_H
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#include <kwineffects.h>
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#include <QObject>
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#include <QBasicTimer>
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#include <QVector>
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#include <QVector2D>
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#include <QVector4D>
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namespace KWin
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{
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class TaskbarThumbnailEffect
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: public QObject, public Effect
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{
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public:
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TaskbarThumbnailEffect();
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virtual ~TaskbarThumbnailEffect();
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virtual void prePaintScreen( ScreenPrePaintData& data, int time );
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virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
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virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
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virtual void windowDamaged( EffectWindow* w, const QRect& damage );
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virtual void windowAdded( EffectWindow* w );
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virtual void windowDeleted( EffectWindow* w );
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virtual void propertyNotify( EffectWindow* w, long atom );
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protected:
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virtual void timerEvent(QTimerEvent*);
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private:
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void updateOffscreenSurfaces();
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QVector<QVector4D> createKernel(float delta);
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QVector<QVector2D> createOffsets(int count, float width, Qt::Orientation direction);
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struct Data
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{
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Window window; // thumbnail of this window
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QRect rect;
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};
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long atom;
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GLTexture *offscreenTex;
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GLRenderTarget *offscreenTarget;
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GLShader *shader;
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QMultiHash< EffectWindow*, Data > thumbnails;
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EffectWindowList damagedWindows;
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QBasicTimer timer;
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int uTexUnit;
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int uOffsets;
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int uKernel;
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int uKernelSize;
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bool alphaWindowsOnly;
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};
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} // namespace
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#endif
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