Source/System/State/Shader/Chunks/OSGShaderProgramChunk.cpp

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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 "OSGShaderProgramChunk.h"
  49 #include "OSGWindow.h"
  50 #include "OSGShaderProgram.h"
  51
  52 OSG_BEGIN_NAMESPACE
  53
  54 // Documentation for this class is emitted in the
  55 // OSGShaderProgramChunkBase.cpp file.
  56 // To modify it, please change the .fcd file (OSGShaderProgramChunk.fcd) and
  57 // regenerate the base file.
  58
  59 /***************************************************************************\
  60  *                           Class variables                               *
  61 \***************************************************************************/
  62
  63 StateChunkClass ShaderProgramChunk::_class("ShaderProgram", 1, 4);
  64 volatile UInt16 ShaderProgramChunk::_uiChunkCounter = 1;
  65
  66 UInt32 ShaderProgramChunk::_extSHL = Window::invalidExtensionID;
  67
  68 /***************************************************************************\
  69  *                           Class methods                                 *
  70 \***************************************************************************/
  71
  72 void ShaderProgramChunk::initMethod(InitPhase ePhase)
  73 {
  74     Inherited::initMethod(ePhase);
  75
  76     if(ePhase == TypeObject::SystemPost)
  77     {
  78         _extSHL = Window::registerExtension("GL_ARB_shading_language_100");
  79     }
  80 }
  81
  82
  83 /***************************************************************************\
  84  *                           Instance methods                              *
  85 \***************************************************************************/
  86
  87 /*-------------------------------------------------------------------------*\
  88  -  private                                                                 -
  89 \*-------------------------------------------------------------------------*/
  90
  91 /*----------------------- constructors & destructors ----------------------*/
  92
  93 ShaderProgramChunk::ShaderProgramChunk(void) :
  94      Inherited( ),
  95     _uiChunkId(0)
  96 {
  97 }
  98
  99 ShaderProgramChunk::ShaderProgramChunk(const ShaderProgramChunk &source) :
 100      Inherited(source),
 101     _uiChunkId(0     )
 102 {
 103 }
 104
 105 ShaderProgramChunk::~ShaderProgramChunk(void)
 106 {
 107 }
 108
 109 void ShaderProgramChunk::onCreate(const ShaderProgramChunk *source)
 110 {
 111     Inherited::onCreate(source);
 112
 113     // ignore prototypes.
 114     if(GlobalSystemState == Startup)
 115         return;
 116
 117     _uiChunkId = _uiChunkCounter++;
 118 }
 119
 120 void ShaderProgramChunk::onCreateAspect(const ShaderProgramChunk *createAspect,
 121                                         const ShaderProgramChunk *source      )
 122 {
 123     Inherited::onCreateAspect(createAspect, source);
 124
 125     _uiChunkId = createAspect->_uiChunkId;
 126 }
 127
 128 void ShaderProgramChunk::onDestroy(UInt32 uiId)
 129 {
 130     Inherited::onDestroy(uiId);
 131 }
 132
 133 const StateChunkClass *ShaderProgramChunk::getClass(void) const
 134 {
 135     return &_class;
 136 }
 137
 138 UInt16 ShaderProgramChunk::getChunkId(void)
 139 {
 140     return _uiChunkId;
 141 }
 142
 143 /*----------------------------- class specific ----------------------------*/
 144
 145 void ShaderProgramChunk::changed(ConstFieldMaskArg whichField,
 146                             UInt32            origin,
 147                             BitVector         details)
 148 {
 149     Inherited::changed(whichField, origin, details);
 150 }
 151
 152 void ShaderProgramChunk::dump(      UInt32    ,
 153                          const BitVector ) const
 154 {
 155     SLOG << "Dump ShaderProgramChunk NI" << std::endl;
 156 }
 157
 158 void ShaderProgramChunk::addShader(ShaderProgram * const value)
 159 {
 160     if(value == NULL)
 161     {
 162         SWARNING << "ShaderProgramChunk::addShader no shader given"
 163                  << " ignored" << std::endl;
 164
 165         return;
 166     }
 167
 168     switch(value->getShaderType())
 169     {
 170         case GL_VERTEX_SHADER:
 171             this->addVertexShader(value);
 172             break;
 173
 174         case GL_TESS_CONTROL_SHADER:
 175             this->addTessControlShader(value);
 176             break;
 177
 178         case GL_TESS_EVALUATION_SHADER:
 179             this->addTessEvaluationShader(value);
 180             break;
 181
 182         case GL_GEOMETRY_SHADER_EXT:
 183             this->addGeometryShader(value);
 184             break;
 185
 186         case GL_FRAGMENT_SHADER:
 187             this->addFragmentShader(value);
 188             break;
 189
 190         default:
 191             SWARNING << "ShaderProgramChunk::addShader unknow shader type "
 192                      << value->getShaderType()
 193                      << " ignored" << std::endl;
 194
 195             break;
 196     }
 197 }
 198
 199 void ShaderProgramChunk::activate  (DrawEnv    *pEnv,
 200                                     UInt32      uiIdx)
 201 {
 202     SFATAL << "ShaderProgramChunk::activate" << std::endl;
 203 }
 204
 205 void ShaderProgramChunk::changeFrom(DrawEnv    *pEnv,
 206                                     StateChunk *pOld,
 207                                     UInt32      uiIdx)
 208 {
 209     SFATAL << "ShaderProgramChunk::changeFrom" << std::endl;
 210 }
 211
 212 void ShaderProgramChunk::deactivate(DrawEnv    *pEnv,
 213                                     UInt32      uiIdx)
 214 {
 215     SFATAL << "ShaderProgramChunk::deactivate" << std::endl;
 216 }
 217
 218 OSG_END_NAMESPACE