Source/System/Window/Background/OSGDepthClearBackground.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 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include "OSGConfig.h"
  47
  48 #include "OSGGL.h"
  49
  50 #include "OSGFieldContainer.h"
  51 #include "OSGNode.h"
  52 #include "OSGAction.h"
  53 #include "OSGViewport.h"
  54 #include "OSGCamera.h"
  55 #include "OSGWindow.h"
  56 #include "OSGBackground.h"
  57 #include "OSGDepthClearBackground.h"
  58
  59 OSG_USING_NAMESPACE
  60
  61 // Documentation for this class is emited in the
  62 // OSGDepthClearBackgroundBase.cpp file.
  63 // To modify it, please change the .fcd file (OSGDepthClearBackground.fcd) and
  64 // regenerate the base file.
  65
  66 /***************************************************************************\
  67  *                           Class methods                                 *
  68 \***************************************************************************/
  69
  70 /*-------------------------------------------------------------------------*\
  71  -  private                                                                -
  72 \*-------------------------------------------------------------------------*/
  73
  74 void DepthClearBackground::initMethod(InitPhase ePhase)
  75 {
  76     Inherited::initMethod(ePhase);
  77 }
  78
  79 /***************************************************************************\
  80  *                           Instance methods                              *
  81 \***************************************************************************/
  82
  83 DepthClearBackground::DepthClearBackground(void) :
  84     Inherited()
  85 {
  86 }
  87
  88 DepthClearBackground::DepthClearBackground(
  89     const DepthClearBackground &source) :
  90
  91     Inherited(source)
  92 {
  93 }
  94
  95 DepthClearBackground::~DepthClearBackground(void)
  96 {
  97 }
  98
  99 void DepthClearBackground::changed(ConstFieldMaskArg whichField,
 100                                    UInt32            origin,
 101                                    BitVector         details)
 102 {
 103     Inherited::changed(whichField, origin, details);
 104 }
 105
 106 /*-------------------------- your_category---------------------------------*/
 107
 108 void DepthClearBackground::clear(DrawEnv *)
 109 {
 110     Int32 bit = getClearStencilBit();
 111
 112 #ifndef OSG_OGL_ES2
 113     glClearDepth(getDepth());
 114 #else
 115     glClearDepthf(getDepth());
 116 #endif
 117
 118     if(bit >= 0)
 119     {
 120         glClearStencil(bit);
 121
 122         if (getClearDepth())
 123         {
 124             glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 125         }
 126         else
 127         {
 128             glClear(GL_STENCIL_BUFFER_BIT);
 129         }
 130     }
 131     else
 132     {
 133         if (getClearDepth())
 134         {
 135             glClear(GL_DEPTH_BUFFER_BIT);
 136         }
 137     }
 138 }
 139
 140 /*------------------------------- dump ----------------------------------*/
 141
 142 void DepthClearBackground::dump(      UInt32    OSG_CHECK_ARG(uiIndent),
 143                                 const BitVector OSG_CHECK_ARG(bvFlags )) const
 144 {
 145     SLOG << "Dump DepthClearBackground NI" << std::endl;
 146 }
 147