workspace/kwin/compositingprefs.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *********************************************************************/
  20
  21 #ifndef KWIN_COMPOSITINGPREFS_H
  22 #define KWIN_COMPOSITINGPREFS_H
  23
  24 #include <QString>
  25 #include <QStringList>
  26
  27 #include "kwinglutils.h"
  28 #include "kwinglobals.h"
  29
  30
  31 namespace KWin
  32 {
  33
  34 class CompositingPrefs
  35 {
  36 public:
  37     CompositingPrefs();
  38     ~CompositingPrefs();
  39
  40     class Version : public QStringList
  41     {
  42     public:
  43         Version() : QStringList()  {}
  44         Version( const QString& str );
  45
  46         int compare( const Version& v ) const;
  47
  48         bool operator<( const Version& v ) const  { return ( compare( v ) == -1 ); }
  49         bool operator<=( const Version& v ) const  { return ( compare( v ) != 1 ); }
  50         bool operator>( const Version& v ) const  { return ( compare( v ) == 1 ); }
  51         bool operator>=( const Version& v ) const  { return ( compare( v ) != -1 ); }
  52     };
  53
  54     static bool compositingPossible();
  55     static QString compositingNotPossibleReason();
  56     bool validateSetup( CompositingType compositingType ) const;
  57     bool enableCompositing() const;
  58     bool enableVSync() const  { return mEnableVSync; }
  59     bool enableDirectRendering() const  { return mEnableDirectRendering; }
  60     bool strictBinding() const { return mStrictBinding; }
  61
  62     void detect();
  63
  64     QString driver() const  { return mDriver; }
  65     Version version() const  { return mVersion; }
  66     bool xgl() const { return mXgl; }
  67
  68
  69 protected:
  70
  71     void detectDriverAndVersion();
  72     void applyDriverSpecificOptions();
  73     static bool detectXgl();
  74
  75     bool initGLXContext();
  76     void deleteGLXContext();
  77
  78
  79 private:
  80     QString mGLVendor;
  81     QString mGLRenderer;
  82     QString mGLVersion;
  83     QString mDriver;
  84     Version mVersion;
  85     bool mXgl;
  86
  87     bool mEnableCompositing;
  88     bool mEnableVSync;
  89     bool mEnableDirectRendering;
  90     bool mStrictBinding;
  91
  92 #ifdef KWIN_HAVE_OPENGL_COMPOSITING
  93     GLXContext mGLContext;
  94     Window mGLWindow;
  95 #endif
  96 };
  97
  98 }
  99
 100 #endif //KWIN_COMPOSITINGPREFS_H
 101
 102