Source/System/Window/Base/OSGSolidBackground.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 "OSGSolidBackground.h"
  58
  59 OSG_USING_NAMESPACE
  60
  61 // Documentation for this class is emited in the
  62 // OSGSolidBackgroundBase.cpp file.
  63 // To modify it, please change the .fcd file (OSGSolidBackground.fcd) and
  64 // regenerate the base file.
  65
  66 /***************************************************************************\
  67  *                           Class methods                                 *
  68 \***************************************************************************/
  69
  70 void SolidBackground::initMethod(InitPhase ePhase)
  71 {
  72     Inherited::initMethod(ePhase);
  73 }
  74
  75 /***************************************************************************\
  76  *                           Instance methods                              *
  77 \***************************************************************************/
  78
  79 SolidBackground::SolidBackground(void) :
  80     Inherited()
  81 {
  82 }
  83
  84 SolidBackground::SolidBackground(const SolidBackground &source) :
  85     Inherited(source)
  86 {
  87 }
  88
  89 SolidBackground::~SolidBackground(void)
  90 {
  91 }
  92
  93
  94 void SolidBackground::changed(ConstFieldMaskArg whichField,
  95                               UInt32            origin,
  96                               BitVector         details)
  97 {
  98     Inherited::changed(whichField, origin, details);
  99 }
 100
 101 /*-------------------------- your_category---------------------------------*/
 102
 103 void SolidBackground::clear(DrawEnv *)
 104 {
 105     Int32      stencilBit = getClearStencilBit();   // 0x0
 106     GLbitfield clearMask  = 0;
 107
 108     if(getClearColor() == true)
 109     {
 110         clearMask |= GL_COLOR_BUFFER_BIT;
 111
 112         const Color3f &col = getColor();
 113
 114         glClearColor(col[0], col[1], col[2], getAlpha());
 115     }
 116
 117     if(getClearDepth() == true)
 118     {
 119         clearMask |= GL_DEPTH_BUFFER_BIT;
 120
 121 #ifndef OSG_OGL_ES2
 122         glClearDepth(getDepth());
 123 #else
 124         glClearDepthf(getDepth());
 125 #endif
 126     }
 127
 128     if(stencilBit >= 0)
 129     {
 130         clearMask |= GL_STENCIL_BUFFER_BIT;
 131
 132         glClearStencil(stencilBit);
 133     }
 134
 135     if(clearMask != 0)
 136     {
 137         glClear(clearMask);
 138     }
 139 }
 140
 141 /*------------------------------- dump ----------------------------------*/
 142
 143 void SolidBackground::dump(      UInt32    OSG_CHECK_ARG(uiIndent),
 144                            const BitVector OSG_CHECK_ARG(bvFlags )) const
 145 {
 146     SLOG << "Dump SolidBackground NI" << std::endl;
 147 }
 148