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KWin

compositingprefs.h

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00001 /********************************************************************
00002  KWin - the KDE window manager
00003  This file is part of the KDE project.
00004 
00005 Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
00006 
00007 This program is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 This program is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with this program.  If not, see <http://www.gnu.org/licenses/>.
00019 *********************************************************************/
00020 
00021 #ifndef KWIN_COMPOSITINGPREFS_H
00022 #define KWIN_COMPOSITINGPREFS_H
00023 
00024 #include <QString>
00025 #include <QStringList>
00026 
00027 #include "kwinglutils.h"
00028 
00029 
00030 namespace KWin
00031 {
00032 
00033 class CompositingPrefs
00034 {
00035 public:
00036     CompositingPrefs();
00037     ~CompositingPrefs();
00038 
00039     class Version : public QStringList
00040     {
00041     public:
00042         Version() : QStringList()  {}
00043         Version( const QString& str );
00044 
00045         int compare( const Version& v ) const;
00046 
00047         bool operator<( const Version& v ) const  { return ( compare( v ) == -1 ); }
00048         bool operator<=( const Version& v ) const  { return ( compare( v ) != 1 ); }
00049         bool operator>( const Version& v ) const  { return ( compare( v ) == 1 ); }
00050         bool operator>=( const Version& v ) const  { return ( compare( v ) != -1 ); }
00051     };
00052 
00053     static bool compositingPossible();
00054     static QString compositingNotPossibleReason();
00055     bool enableCompositing() const;
00056     bool enableVSync() const  { return mEnableVSync; }
00057     bool enableDirectRendering() const  { return mEnableDirectRendering; }
00058     bool strictBinding() const { return mStrictBinding; }
00059 
00060     void detect();
00061 
00062     QString driver() const  { return mDriver; }
00063     Version version() const  { return mVersion; }
00064     bool xgl() const { return mXgl; }
00065 
00066 
00067 protected:
00068 
00069     void detectDriverAndVersion();
00070     void applyDriverSpecificOptions();
00071     static bool detectXgl();
00072 
00073     bool initGLXContext();
00074     void deleteGLXContext();
00075 
00076 
00077 private:
00078     QString mGLVendor;
00079     QString mGLRenderer;
00080     QString mGLVersion;
00081     QString mDriver;
00082     Version mVersion;
00083     bool mXgl;
00084 
00085     bool mEnableCompositing;
00086     bool mEnableVSync;
00087     bool mEnableDirectRendering;
00088     bool mStrictBinding;
00089 
00090 #ifdef KWIN_HAVE_OPENGL_COMPOSITING
00091     GLXContext mGLContext;
00092     Window mGLWindow;
00093 #endif
00094 };
00095 
00096 }
00097 
00098 #endif //KWIN_COMPOSITINGPREFS_H
00099 
00100 

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