OSGTextureBaseChunk.cpp

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00001 /*---------------------------------------------------------------------------*\
00002  *                                OpenSG                                     *
00003  *                                                                           *
00004  *                                                                           *
00005  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
00006  *                                                                           *
00007  *                            www.opensg.org                                 *
00008  *                                                                           *
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00010  *                                                                           *
00011 \*---------------------------------------------------------------------------*/
00012 /*---------------------------------------------------------------------------*\
00013  *                                License                                    *
00014  *                                                                           *
00015  * This library is free software; you can redistribute it and/or modify it   *
00016  * under the terms of the GNU Library General Public License as published    *
00017  * by the Free Software Foundation, version 2.                               *
00018  *                                                                           *
00019  * This library is distributed in the hope that it will be useful, but       *
00020  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
00022  * Library General Public License for more details.                          *
00023  *                                                                           *
00024  * You should have received a copy of the GNU Library General Public         *
00025  * License along with this library; if not, write to the Free Software       *
00026  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
00027  *                                                                           *
00028 \*---------------------------------------------------------------------------*/
00029 /*---------------------------------------------------------------------------*\
00030  *                                Changes                                    *
00031  *                                                                           *
00032  *                                                                           *
00033  *                                                                           *
00034  *                                                                           *
00035  *                                                                           *
00036  *                                                                           *
00037 \*---------------------------------------------------------------------------*/
00038 
00039 //---------------------------------------------------------------------------
00040 //  Includes
00041 //---------------------------------------------------------------------------
00042 
00043 #include <cstdlib>
00044 #include <cstdio>
00045 
00046 #include <boost/bind.hpp>
00047 
00048 #include "OSGConfig.h"
00049 
00050 #include <OSGGL.h>
00051 #include <OSGGLU.h>
00052 #include <OSGGLEXT.h>
00053 #include <OSGImage.h>
00054 
00055 #include "OSGDrawActionBase.h"
00056 #include "OSGDrawEnv.h"
00057 
00058 #include "OSGTextureBaseChunk.h"
00059 
00060 //#define OSG_DUMP_TEX
00061 
00062 OSG_USING_NAMESPACE
00063 
00064 // Documentation for this class is emited in the
00065 // OSGTextureBaseChunkBase.cpp file.
00066 // To modify it, please change the .fcd file (OSGTextureBaseChunk.fcd) and
00067 // regenerate the base file.
00068 
00069 /***************************************************************************\
00070  *                           Class variables                               *
00071 \***************************************************************************/
00072 
00073 StateChunkClass TextureBaseChunk::_class("Texture", osgMaxTexImages, 15);
00074 
00075 volatile UInt16 TextureBaseChunk::_uiChunkCounter = 1;
00076 
00077 UInt32 TextureBaseChunk::_arbMultiTex           = Window::invalidExtensionID;
00078 UInt32 TextureBaseChunk::_funcActiveTexture     = Window::invalidFunctionID;
00079 
00080 /***************************************************************************\
00081  *                           Class methods                                 *
00082 \***************************************************************************/
00083 
00084 /*-------------------------------------------------------------------------*\
00085  -  private                                                                -
00086 \*-------------------------------------------------------------------------*/
00087 
00088 void TextureBaseChunk::initMethod(InitPhase ePhase)
00089 {
00090     Inherited::initMethod(ePhase);
00091 
00092     if(ePhase == TypeObject::SystemPost)
00093     {
00094         _arbMultiTex       =
00095             Window::registerExtension("GL_ARB_multitexture");
00096 
00097         _funcActiveTexture =
00098             Window::registerFunction (OSG_DLSYM_UNDERSCORE"glActiveTextureARB",
00099                                       _arbMultiTex);
00100     }
00101 
00102 }
00103 
00104 /***************************************************************************\
00105  *                           Instance methods                              *
00106 \***************************************************************************/
00107 
00108 /*-------------------------------------------------------------------------*\
00109  -  private                                                                 -
00110 \*-------------------------------------------------------------------------*/
00111 
00112 
00113 /*------------- constructors & destructors --------------------------------*/
00114 
00115 TextureBaseChunk::TextureBaseChunk(void) :
00116      Inherited( ),
00117     _uiChunkId(0)
00118 {
00119 }
00120 
00121 TextureBaseChunk::TextureBaseChunk(const TextureBaseChunk &source) :
00122      Inherited(source),
00123     _uiChunkId(     0)
00124 {
00125 }
00126 
00127 TextureBaseChunk::~TextureBaseChunk(void)
00128 {
00129 }
00130 
00131 /*------------------------- Chunk Class Access ---------------------------*/
00132 
00133 const StateChunkClass *TextureBaseChunk::getClass(void) const
00134 {
00135     return &_class;
00136 }
00137 
00138 /*------------------------------- Sync -----------------------------------*/
00139 
00145 void TextureBaseChunk::changed(ConstFieldMaskArg whichField, 
00146                                UInt32            origin,
00147                                BitVector         details)
00148 {
00149     Inherited::changed(whichField, origin, details);
00150 }
00151 
00152 
00153 /*----------------------------- onCreate --------------------------------*/
00154 
00155 void TextureBaseChunk::onCreate(const TextureBaseChunk *source)
00156 {
00157     Inherited::onCreate(source);
00158 
00159     if(GlobalSystemState == Startup)
00160         return;
00161 
00162     _uiChunkId = _uiChunkCounter++;
00163 }
00164 
00165 void TextureBaseChunk::onCreateAspect(const TextureBaseChunk *createAspect,
00166                                       const TextureBaseChunk *source      )
00167 {
00168     Inherited::onCreateAspect(createAspect, source);
00169 
00170     _uiChunkId = createAspect->_uiChunkId;
00171 }
00172 
00173 /*------------------------------ Output ----------------------------------*/
00174 
00175 void TextureBaseChunk::dump(      UInt32    OSG_CHECK_ARG(uiIndent),
00176                             const BitVector OSG_CHECK_ARG(bvFlags )) const
00177 {
00178     SLOG << "Dump TextureBaseChunk NI" << std::endl;
00179 }
00180 
00181 bool TextureBaseChunk::isCubeTexture(void)
00182 {
00183     return false;
00184 }
00185 
00186 /*------------------------------ State ------------------------------------*/
00187 
00188 
00189 /*-------------------------- Comparison -----------------------------------*/
00190