Source/System/State/Base/OSGColorMaskChunk.cpp

   1 /*---------------------------------------------------------------------------*\
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  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
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  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include "OSGConfig.h"
  47
  48 #include "OSGColorMaskChunk.h"
  49 #include "OSGDrawEnv.h"
  50
  51 OSG_USING_NAMESPACE
  52
  53 // Documentation for this class is emited in the
  54 // OSGColorMaskChunkBase.cpp file.
  55 // To modify it, please change the .fcd file (OSGColorMaskChunk.fcd) and
  56 // regenerate the base file.
  57
  58 /***************************************************************************\
  59  *                           Class variables                               *
  60 \***************************************************************************/
  61
  62 StateChunkClass ColorMaskChunk::_class("Color", 1, 50);
  63
  64 /***************************************************************************\
  65  *                           Class methods                                 *
  66 \***************************************************************************/
  67
  68 void ColorMaskChunk::initMethod(InitPhase ePhase)
  69 {
  70     Inherited::initMethod(ePhase);
  71 }
  72
  73
  74 /***************************************************************************\
  75  *                           Instance methods                              *
  76 \***************************************************************************/
  77
  78 /*-------------------------------------------------------------------------*\
  79  -  private                                                                 -
  80 \*-------------------------------------------------------------------------*/
  81
  82 /*----------------------- constructors & destructors ----------------------*/
  83
  84 ColorMaskChunk::ColorMaskChunk(void) :
  85     Inherited()
  86 {
  87 }
  88
  89 ColorMaskChunk::ColorMaskChunk(const ColorMaskChunk &source) :
  90     Inherited(source)
  91 {
  92 }
  93
  94 ColorMaskChunk::~ColorMaskChunk(void)
  95 {
  96 }
  97
  98 /*------------------------- Chunk Class Access ---------------------------*/
  99
 100 const StateChunkClass *ColorMaskChunk::getClass(void) const
 101 {
 102     return &_class;
 103 }
 104
 105 /*----------------------------- class specific ----------------------------*/
 106
 107 void ColorMaskChunk::changed(ConstFieldMaskArg whichField,
 108                              UInt32            origin,
 109                              BitVector         details)
 110 {
 111     Inherited::changed(whichField, origin, details);
 112 }
 113
 114 void ColorMaskChunk::dump(      UInt32    ,
 115                           const BitVector ) const
 116 {
 117     SLOG << "Dump ColorMaskChunk NI" << std::endl;
 118 }
 119
 120 /*------------------------------ State ------------------------------------*/
 121
 122 void ColorMaskChunk::activate(DrawEnv *pEnv, UInt32)
 123 {
 124     pEnv->incNumChunkChanges();
 125
 126     glColorMask(getMaskR(), getMaskG(), getMaskB(), getMaskA());
 127 }
 128
 129 void ColorMaskChunk::changeFrom(DrawEnv    *pEnv,
 130                                 StateChunk *old_chunk,
 131                                 UInt32      index )
 132 {
 133     old_chunk->deactivate(pEnv, index);
 134
 135     activate(pEnv, index);
 136 }
 137
 138 void ColorMaskChunk::deactivate(DrawEnv *, UInt32)
 139 {
 140     glColorMask(true, true, true, true);
 141 }
 142
 143 /*-------------------------- Comparison -----------------------------------*/
 144
 145 Real32 ColorMaskChunk::switchCost(StateChunk *)
 146 {
 147     return 0;
 148 }
 149
 150 /** \brief assignment
 151  */
 152
 153 bool ColorMaskChunk::operator < (const StateChunk &other) const
 154 {
 155     return this < &other;
 156 }
 157
 158 /** \brief equal
 159  */
 160
 161 bool ColorMaskChunk::operator == (const StateChunk &other) const
 162 {
 163     ColorMaskChunk const *tother = dynamic_cast<ColorMaskChunk const*>(&other);
 164
 165     if(!tother)
 166         return false;
 167
 168     if(tother == this)
 169         return true;
 170
 171     if(getMaskR() != tother->getMaskR()  ||
 172        getMaskG() != tother->getMaskG()  ||
 173        getMaskB() != tother->getMaskB()  ||
 174        getMaskA() != tother->getMaskA()    )
 175     {
 176         return false;
 177     }
 178
 179     return true;
 180 }
 181
 182 /** \brief unequal
 183  */
 184
 185 bool ColorMaskChunk::operator != (const StateChunk &other) const
 186 {
 187     return ! (*this == other);
 188 }