workspace/kwin/lib/kwinshadereffect.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2006-2007 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_SHADEREFFECT_H
  22 #define KWIN_SHADEREFFECT_H
  23
  24
  25 #include <kwineffects.h>
  26
  27 #ifdef KWIN_HAVE_OPENGL_COMPOSITING
  28
  29 /** @addtogroup kwineffects */
  30 /** @{ */
  31
  32 namespace KWin
  33 {
  34
  35 class GLTexture;
  36 class GLRenderTarget;
  37 class GLShader;
  38 class KWIN_EXPORT ShaderEffect : public Effect
  39 {
  40     public:
  41         ShaderEffect(const QString& shadername);
  42         virtual ~ShaderEffect();
  43
  44         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
  45         virtual void postPaintScreen();
  46
  47         static bool supported();
  48
  49     protected:
  50         bool isEnabled() const;
  51         void setEnabled(bool enabled);
  52
  53         GLShader* shader() const;
  54
  55         bool loadData(const QString& shadername);
  56
  57     private:
  58         GLTexture* mTexture;
  59         GLRenderTarget* mRenderTarget;
  60         GLShader* mShader;
  61         bool mValid;
  62
  63         double mTime;
  64
  65         bool mEnabled;
  66 };
  67
  68 } // namespace
  69
  70 /** @} */
  71
  72 #endif
  73
  74 #endif