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 /** @addtogroup kwineffects */
  28 /** @{ */
  29
  30 namespace KWin
  31 {
  32
  33 class GLTexture;
  34 class GLRenderTarget;
  35 class GLShader;
  36 class KWIN_EXPORT ShaderEffect : public Effect
  37 {
  38     public:
  39         ShaderEffect(const QString& shadername);
  40         virtual ~ShaderEffect();
  41
  42         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
  43         virtual void postPaintScreen();
  44
  45         static bool supported();
  46
  47     protected:
  48         bool isEnabled() const;
  49         void setEnabled(bool enabled);
  50
  51         GLShader* shader() const;
  52
  53         bool loadData(const QString& shadername);
  54
  55     private:
  56         GLTexture* mTexture;
  57         GLRenderTarget* mRenderTarget;
  58         GLShader* mShader;
  59         bool mValid;
  60
  61         double mTime;
  62
  63         bool mEnabled;
  64 };
  65
  66 } // namespace
  67
  68 /** @} */
  69
  70 #endif