Source/System/State/Shader/Variables/OSGShaderVariableFunctor.h

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  38
  39 #ifndef _OSGSHADERVARIABLEFUNCTOR_H_
  40 #define _OSGSHADERVARIABLEFUNCTOR_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGShaderVariableFunctorBase.h"
  46 #include "OSGDrawEnv.h"
  47
  48 #include "boost/function.hpp"
  49
  50 OSG_BEGIN_NAMESPACE
  51
  52 /*! \brief ShaderVariableFunctor class. See \ref
  53            PageSystemShaderVariableFunctor for a description.
  54     \ingroup GrpSystemShaderVariables
  55     \ingroup GrpLibOSGSystem
  56     \includebasedoc
  57  */
  58
  59 class OSG_SYSTEM_DLLMAPPING ShaderVariableFunctor :
  60     public ShaderVariableFunctorBase
  61 {
  62   private:
  63
  64     /*==========================  PUBLIC  =================================*/
  65
  66   public:
  67
  68     typedef ShaderVariableFunctorBase Inherited;
  69
  70     typedef GLint (OSG_APIENTRY *GetUniformLocProc)(      GLuint  programObj,
  71                                                     const Char8  *name      );
  72
  73     typedef boost::function<void (DrawEnv *, Int32        )> ProcVarFunctor;
  74     typedef boost::function<void (DrawEnv *, Int32, Node *)> ProcVarNodeFunctor;
  75
  76 #ifdef OSG_1_COMPAT
  77     typedef boost::function<void (GetUniformLocProc  ,
  78                                   DrawEnv           *,
  79                                   GLuint                 )> ParamFunctor;
  80
  81     typedef boost::function<void (ShaderVariable  * const,
  82                                   DrawEnv         *      ,
  83                                   GLuint                 )> OSGParamFunctor;
  84 #endif
  85
  86     /*---------------------------------------------------------------------*/
  87     /*! \name                      Sync                                    */
  88     /*! \{                                                                 */
  89
  90     virtual void changed(ConstFieldMaskArg whichField,
  91                          UInt32            origin,
  92                          BitVector         details);
  93
  94     /*! \}                                                                 */
  95     /*---------------------------------------------------------------------*/
  96     /*! \name                     Output                                   */
  97     /*! \{                                                                 */
  98
  99     virtual void dump(      UInt32     uiIndent = 0,
 100                       const BitVector  bvFlags  = 0) const;
 101
 102     /*! \}                                                                 */
 103     /*---------------------------------------------------------------------*/
 104     /*! \name                     Output                                   */
 105     /*! \{                                                                 */
 106
 107     void   setFunctor (ProcVarFunctor     pFunc    );
 108     void   setFunctor (ProcVarNodeFunctor pFunc    );
 109 #ifdef OSG_1_COMPAT
 110     void   setFunctor (ParamFunctor       pPFunc   );
 111     void   setFunctor (OSGParamFunctor    pOSGPFunc);
 112
 113     UInt32 getFuncMode(void                        );
 114 #endif
 115
 116     /*! \}                                                                 */
 117     /*---------------------------------------------------------------------*/
 118     /*! \name                     Output                                   */
 119     /*! \{                                                                 */
 120
 121     virtual bool isProcedural(void) const;
 122
 123     /*! \}                                                                 */
 124     /*---------------------------------------------------------------------*/
 125     /*! \name                     Output                                   */
 126     /*! \{                                                                 */
 127
 128     void evaluate(DrawEnv           *pEnv,
 129                   Int32             &iLocation);
 130
 131 #ifdef OSG_1_COMPAT
 132     void evaluate(GetUniformLocProc  getULoc,
 133                   DrawEnv           *pEnv,
 134                   UInt32             uiProg   );
 135
 136     void evaluate(ShaderVariable    *pVar,
 137                   DrawEnv           *pEnv,
 138                   UInt32             uiProg   );
 139 #endif
 140
 141     /*! \}                                                                 */
 142     /*=========================  PROTECTED  ===============================*/
 143
 144   protected:
 145
 146 #ifdef OSG_1_COMPAT
 147     UInt32             _uiFuncMode;
 148
 149     ParamFunctor       _pPFunc;
 150     OSGParamFunctor    _pOSGPFunc;
 151 #endif
 152
 153     ProcVarFunctor     _pFunc;
 154     ProcVarNodeFunctor _pNodeFunc;
 155
 156     /*---------------------------------------------------------------------*/
 157     /*! \name                  Constructors                                */
 158     /*! \{                                                                 */
 159
 160     ShaderVariableFunctor(void);
 161     ShaderVariableFunctor(const ShaderVariableFunctor &source);
 162
 163     /*! \}                                                                 */
 164     /*---------------------------------------------------------------------*/
 165     /*! \name                   Destructors                                */
 166     /*! \{                                                                 */
 167
 168     virtual ~ShaderVariableFunctor(void);
 169
 170     /*! \}                                                                 */
 171     /*---------------------------------------------------------------------*/
 172     /*! \name                     Init                                     */
 173     /*! \{                                                                 */
 174
 175     static void initMethod(InitPhase ePhase);
 176
 177     /*! \}                                                                 */
 178     /*---------------------------------------------------------------------*/
 179     /*! \name                   Destructors                                */
 180     /*! \{                                                                 */
 181
 182     /*! \}                                                                 */
 183     /*==========================  PRIVATE  ================================*/
 184
 185   private:
 186
 187     friend class FieldContainer;
 188     friend class ShaderVariableFunctorBase;
 189
 190     // prohibit default functions (move to 'public' if you need one)
 191     void operator =(const ShaderVariableFunctor &source);
 192 };
 193
 194 typedef ShaderVariableFunctor *ShaderVariableFunctorP;
 195
 196 OSG_END_NAMESPACE
 197
 198 #include "OSGShaderVariableFunctorBase.inl"
 199 #include "OSGShaderVariableFunctor.inl"
 200
 201 #endif /* _OSGSHADERVARIABLEFUNCTOR_H_ */