Source/System/State/Base/OSGTextureBaseChunk.cpp

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  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include <boost/bind.hpp>
  47
  48 #include "OSGConfig.h"
  49
  50 #include "OSGGL.h"
  51 #include "OSGGLU.h"
  52 #include "OSGGLEXT.h"
  53 #include "OSGImage.h"
  54
  55 #include "OSGDrawEnv.h"
  56
  57 #include "OSGTextureBaseChunk.h"
  58
  59 //#define OSG_DUMP_TEX
  60
  61 OSG_USING_NAMESPACE
  62
  63 // Documentation for this class is emited in the
  64 // OSGTextureBaseChunkBase.cpp file.
  65 // To modify it, please change the .fcd file (OSGTextureBaseChunk.fcd) and
  66 // regenerate the base file.
  67
  68 /***************************************************************************\
  69  *                           Class variables                               *
  70 \***************************************************************************/
  71
  72 StateChunkClass TextureBaseChunk::_class("Texture", osgMaxTexImages, 20);
  73
  74 volatile UInt16 TextureBaseChunk::_uiChunkCounter = 1;
  75
  76 UInt32 TextureBaseChunk::_arbMultiTex           = Window::invalidExtensionID;
  77 UInt32 TextureBaseChunk::_funcActiveTexture     = Window::invalidFunctionID;
  78
  79 /***************************************************************************\
  80  *                           Class methods                                 *
  81 \***************************************************************************/
  82
  83 /*-------------------------------------------------------------------------*\
  84  -  private                                                                -
  85 \*-------------------------------------------------------------------------*/
  86
  87 void TextureBaseChunk::initMethod(InitPhase ePhase)
  88 {
  89     Inherited::initMethod(ePhase);
  90
  91     if(ePhase == TypeObject::SystemPost)
  92     {
  93         _arbMultiTex       =
  94             Window::registerExtension("GL_ARB_multitexture");
  95
  96         _funcActiveTexture =
  97             Window::registerFunction (OSG_DLSYM_UNDERSCORE"glActiveTextureARB",
  98                                       _arbMultiTex);
  99     }
 100
 101 }
 102
 103 /***************************************************************************\
 104  *                           Instance methods                              *
 105 \***************************************************************************/
 106
 107 /*-------------------------------------------------------------------------*\
 108  -  private                                                                 -
 109 \*-------------------------------------------------------------------------*/
 110
 111
 112 /*------------- constructors & destructors --------------------------------*/
 113
 114 TextureBaseChunk::TextureBaseChunk(void) :
 115      Inherited( ),
 116     _uiChunkId(0)
 117 {
 118 }
 119
 120 TextureBaseChunk::TextureBaseChunk(const TextureBaseChunk &source) :
 121      Inherited(source),
 122     _uiChunkId(     0)
 123 {
 124 }
 125
 126 TextureBaseChunk::~TextureBaseChunk(void)
 127 {
 128 }
 129
 130 /*------------------------- Chunk Class Access ---------------------------*/
 131
 132 const StateChunkClass *TextureBaseChunk::getClass(void) const
 133 {
 134     return &_class;
 135 }
 136
 137 /*------------------------------- Sync -----------------------------------*/
 138
 139 /*! React to field changes.
 140     Note: this function also handles CubeTexture changes, make sure to keep
 141     it consistent with the cubeTexture specifics
 142 */
 143
 144 void TextureBaseChunk::changed(ConstFieldMaskArg whichField,
 145                                UInt32            origin,
 146                                BitVector         details)
 147 {
 148     Inherited::changed(whichField, origin, details);
 149 }
 150
 151
 152 /*----------------------------- onCreate --------------------------------*/
 153
 154 void TextureBaseChunk::onCreate(const TextureBaseChunk *source)
 155 {
 156     Inherited::onCreate(source);
 157
 158     if(GlobalSystemState == Startup)
 159         return;
 160
 161     _uiChunkId = _uiChunkCounter++;
 162 }
 163
 164 void TextureBaseChunk::onCreateAspect(const TextureBaseChunk *createAspect,
 165                                       const TextureBaseChunk *source      )
 166 {
 167     Inherited::onCreateAspect(createAspect, source);
 168
 169     _uiChunkId = createAspect->_uiChunkId;
 170 }
 171
 172 /*------------------------------ Output ----------------------------------*/
 173
 174 void TextureBaseChunk::dump(      UInt32    uiIndent,
 175                             const BitVector bvFlags  ) const
 176 {
 177     Inherited::dump(uiIndent, bvFlags);
 178
 179     if((bvFlags & TargetFieldMask) != 0)
 180     {
 181         indentLog(uiIndent, PLOG);
 182         PLOG << "target "
 183              << GLDefineMapper::the()->toString(_sfTarget.getValue())
 184              << "\n";
 185     }
 186 }
 187
 188 bool TextureBaseChunk::isCubeTexture(void)
 189 {
 190     return false;
 191 }
 192
 193 /*------------------------------ State ------------------------------------*/
 194
 195
 196 /*-------------------------- Comparison -----------------------------------*/
 197