workspace/kwin/effects/test/test_fbo.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_TESTFBOEFFECT_H
  22 #define KWIN_TESTFBOEFFECT_H
  23
  24 // Include with base class for effects.
  25 #include <kwineffects.h>
  26
  27 namespace KWin
  28 {
  29
  30 class GLRenderTarget;
  31 class GLTexture;
  32
  33 /**
  34  * Demonstrates usage of GLRenderTarget by first rendering the scene onto a
  35  *  texture and then rendering a small rotating thumbnail of the entire scene
  36  *  on top of the usual scene.
  37  **/
  38 class TestFBOEffect : public Effect
  39     {
  40     public:
  41         TestFBOEffect();
  42         ~TestFBOEffect();
  43
  44         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
  45         virtual void postPaintScreen();
  46
  47         static bool supported();
  48
  49     private:
  50         GLTexture* mTexture;
  51         GLRenderTarget* mRenderTarget;
  52         bool mValid;
  53
  54         double mRot;
  55     };
  56
  57 } // namespace
  58
  59 #endif