Source/System/State/Auxiliary/OSGTextureImageChunk.h

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  37 \*---------------------------------------------------------------------------*/
  38
  39 #ifndef _OSGTEXTUREIMAGECHUNK_H_
  40 #define _OSGTEXTUREIMAGECHUNK_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGTextureImageChunkBase.h"
  46
  47 OSG_BEGIN_NAMESPACE
  48
  49 /*! \brief State chunk for textures. See \ref PageSystemTextureImageChunk
  50            for a description.
  51     \ingroup GrpStateAuxiliaryObj
  52     \ingroup GrpLibOSGState
  53     \includebasedoc
  54  */
  55
  56 class OSG_STATE_DLLMAPPING TextureImageChunk : public TextureImageChunkBase
  57 {
  58     /*==========================  PUBLIC  =================================*/
  59
  60   public:
  61
  62     /*---------------------------------------------------------------------*/
  63     /*! \name                 Chunk Class Access                           */
  64     /*! \{                                                                 */
  65
  66     virtual const StateChunkClass *getClass(void) const;
  67
  68     /*! \}                                                                 */
  69     /*---------------------------------------------------------------------*/
  70     /*! \name              Static Chunk Class Access                       */
  71     /*! \{                                                                 */
  72
  73     static       UInt32           getStaticClassId(void);
  74     static const StateChunkClass *getStaticClass  (void);
  75
  76     /*! \}                                                                 */
  77     /*---------------------------------------------------------------------*/
  78     /*! \name                    Chunk Id                                  */
  79     /*! \{                                                                 */
  80
  81     /*! \}                                                                 */
  82     /*---------------------------------------------------------------------*/
  83     /*! \name                      Sync                                    */
  84     /*! \{                                                                 */
  85
  86     virtual void changed(ConstFieldMaskArg whichField,
  87                          UInt32            origin,
  88                          BitVector         details);
  89
  90     /*! \}                                                                 */
  91     /*---------------------------------------------------------------------*/
  92     /*! \name                      Output                                  */
  93     /*! \{                                                                 */
  94
  95     virtual void dump(      UInt32    uiIndent = 0,
  96                       const BitVector bvFlags  = 0) const;
  97
  98     /*! \}                                                                 */
  99     /*---------------------------------------------------------------------*/
 100     /*! \name                       State                                  */
 101     /*! \{                                                                 */
 102
 103     virtual void activate   (DrawEnv    *pEnv,
 104                              UInt32      index = 0);
 105
 106     virtual void changeFrom (DrawEnv    *pEnv,
 107                              StateChunk *pOld,
 108                              UInt32      index = 0);
 109
 110     virtual void deactivate (DrawEnv    *pEnv,
 111                              UInt32      index = 0);
 112
 113     virtual bool isTransparent (void) const;
 114
 115     /*! \}                                                                 */
 116     /*---------------------------------------------------------------------*/
 117     /*! \name                       query                                  */
 118     /*! \{                                                                 */
 119
 120     //GLenum determineTextureTarget(Window *pWindow) const;
 121
 122     /*! \}                                                                 */
 123     /*---------------------------------------------------------------------*/
 124     /*! \name                   Comparison                                 */
 125     /*! \{                                                                 */
 126
 127     virtual Real32 switchCost(StateChunk * chunk);
 128
 129     virtual bool   operator <  (const StateChunk &other) const;
 130
 131     virtual bool   operator == (const StateChunk &other) const;
 132     virtual bool   operator != (const StateChunk &other) const;
 133
 134     /*! \}                                                                 */
 135     /*---------------------------------------------------------------------*/
 136     /*! \name                Texture specific                              */
 137     /*! \{                                                                 */
 138
 139 #if 0
 140     virtual void validate(DrawEnv *pEnv);
 141 #endif
 142
 143     /*! \}                                                                 */
 144     /*---------------------------------------------------------------------*/
 145     /*! \name             Multitexture handling                            */
 146     /*! \{                                                                 */
 147
 148     /*! \}                                                                 */
 149     /*=========================  PROTECTED  ===============================*/
 150
 151   protected:
 152
 153     static  UInt32                     _arbShaderImageLS;
 154     static  UInt32                      FuncIdBindImageTexture;
 155
 156     // class. Used for indexing in State
 157     // protected to give CubeTextureChunk access
 158     static  StateChunkClass            _class;
 159
 160     /*---------------------------------------------------------------------*/
 161     /*! \name                       Init                                   */
 162     /*! \{                                                                 */
 163
 164     void onCreate      (const TextureImageChunk *source      = NULL);
 165     void onCreateAspect(const TextureImageChunk *createAspect,
 166                         const TextureImageChunk *source      = NULL);
 167
 168     /*! \}                                                                 */
 169     /*---------------------------------------------------------------------*/
 170     /*! \name                   Constructors                               */
 171     /*! \{                                                                 */
 172
 173     TextureImageChunk(void);
 174     TextureImageChunk(const TextureImageChunk &source);
 175
 176     /*! \}                                                                 */
 177     /*---------------------------------------------------------------------*/
 178     /*! \name                   Destructors                                */
 179     /*! \{                                                                 */
 180
 181     virtual ~TextureImageChunk(void);
 182
 183     /*! \}                                                                 */
 184     /*---------------------------------------------------------------------*/
 185     /*! \name                       Init                                   */
 186     /*! \{                                                                 */
 187
 188     static void initMethod(InitPhase ePhase);
 189
 190     /*! \}                                                                 */
 191     /*---------------------------------------------------------------------*/
 192     /*! \name                         GL                                   */
 193     /*! \{                                                                 */
 194
 195     /*! \}                                                                 */
 196     /*---------------------------------------------------------------------*/
 197
 198     /*==========================  PRIVATE  ================================*/
 199
 200   private:
 201
 202     typedef TextureImageChunkBase Inherited;
 203
 204     friend class FieldContainer;
 205     friend class TextureImageChunkBase;
 206
 207     // prohibit default functions (move to 'public' if you need one)
 208     void operator =(const TextureImageChunk &source);
 209 };
 210
 211 typedef TextureImageChunk *TextureImageChunkP;
 212
 213 OSG_END_NAMESPACE
 214
 215 #include "OSGTextureImageChunkBase.inl"
 216 #include "OSGTextureImageChunk.inl"
 217
 218 #endif /* _OSGTEXTUREIMAGECHUNK_H_ */