Source/Contrib/ComputeBase/Base/OSGAlgorithmComputeElement.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
  32  *                                                                           *
  33  *                                                                           *
  34  *                                                                           *
  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 #include <cstdlib>
  40 #include <cstdio>
  41
  42 #include <sstream>
  43 #include <fstream>
  44
  45 #include "OSGConfig.h"
  46
  47 #include "OSGAction.h"
  48 #include "OSGCamera.h"
  49 #include "OSGRenderAction.h"
  50 #include "OSGSceneFileHandler.h"
  51 #include "OSGVolumeDraw.h"
  52
  53 #include "OSGAlgorithmComputeElement.h"
  54 #include "OSGAlgorithmComputeElementData.h"
  55
  56 #include "OSGComputeAlgorithm.h"
  57
  58 #include "OSGFrameBufferObject.h"
  59 #include "OSGFrameBufferAttachment.h"
  60
  61 #include "OSGMatrixUtility.h"
  62
  63 OSG_BEGIN_NAMESPACE
  64
  65 // Documentation for this class is emited in the
  66 // OSGAlgorithmComputeElementBase.cpp file.
  67 // To modify it, please change the .fcd file (OSGAlgorithmComputeElement.fcd)
  68 // and regenerate the base file.
  69
  70 /*-------------------------------------------------------------------------*/
  71 /*                               Sync                                      */
  72
  73 void AlgorithmComputeElement::changed(ConstFieldMaskArg whichField,
  74                                       UInt32            origin,
  75                                       BitVector         details)
  76 {
  77     Inherited::changed(whichField, origin, details);
  78 }
  79
  80 /*-------------------------------------------------------------------------*/
  81 /*                               Dump                                      */
  82
  83 void
  84     AlgorithmComputeElement::dump(      UInt32    OSG_CHECK_ARG(uiIndent),
  85                                   const BitVector OSG_CHECK_ARG(bvFlags )) const
  86 {
  87     SLOG << "Dump AlgorithmComputeElement NI" << std::endl;
  88 }
  89
  90 /*-------------------------------------------------------------------------*/
  91 /*                            Constructors                                 */
  92
  93 AlgorithmComputeElement::AlgorithmComputeElement(void) :
  94     Inherited()
  95 {
  96 }
  97
  98 AlgorithmComputeElement::AlgorithmComputeElement(
  99     const AlgorithmComputeElement &source) :
 100
 101     Inherited(source)
 102 {
 103 }
 104
 105 /*-------------------------------------------------------------------------*/
 106 /*                             Destructor                                  */
 107
 108 AlgorithmComputeElement::~AlgorithmComputeElement(void)
 109 {
 110 }
 111
 112 /*-------------------------------------------------------------------------*/
 113 /*                               loading                                   */
 114
 115 Action::ResultE AlgorithmComputeElement::renderEnter(Action *action)
 116 {
 117     RenderAction     *a     = dynamic_cast<RenderAction *>(action);
 118     ComputeAlgorithm *pAlgo = this->getAlgorithm();
 119
 120     if(pAlgo != NULL)
 121     {
 122         AlgorithmComputeElementData *pData    =
 123             a->getData<AlgorithmComputeElementData *>(_iDataSlotId);
 124
 125         if(pData == NULL)
 126         {
 127             AlgorithmComputeElementDataUnrecPtr pDataNew =
 128                 AlgorithmComputeElementData::create();
 129
 130             this->setData(pDataNew.get(), _iDataSlotId, a);
 131
 132             pData = pDataNew;
 133         }
 134
 135         ComputeAlgorithmDrawTask *pTask = pData->getTask();
 136
 137         if(pTask == NULL)
 138         {
 139             pTask = new ComputeAlgorithmDrawTask(
 140                 pAlgo,
 141                 ComputeAlgorithmDrawTask::Algorithm);
 142
 143             pData->setTask(pTask);
 144         }
 145
 146
 147         a->getWindow()->queueTaskFromDrawer(pTask);
 148     }
 149
 150     return Action::Continue;
 151 }
 152
 153 Action::ResultE AlgorithmComputeElement::renderLeave(Action *a)
 154 {
 155     return Action::Continue;
 156 }
 157
 158
 159 /*-------------------------------------------------------------------------*/
 160 /*                               Init                                      */
 161
 162 void AlgorithmComputeElement::initMethod(InitPhase ePhase)
 163 {
 164     Inherited::initMethod(ePhase);
 165
 166     if(ePhase == TypeObject::SystemPost)
 167     {
 168         RenderAction::registerEnterDefault(
 169             AlgorithmComputeElement::getClassType(),
 170             reinterpret_cast<Action::Callback>(
 171                 &AlgorithmComputeElement::renderEnter));
 172
 173         RenderAction::registerLeaveDefault(
 174             AlgorithmComputeElement::getClassType(),
 175             reinterpret_cast<Action::Callback>(
 176                 &AlgorithmComputeElement::renderLeave));
 177     }
 178 }
 179
 180 OSG_END_NAMESPACE