Source/System/State/Base/OSGTextureBaseChunk.h

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  37 \*---------------------------------------------------------------------------*/
  38
  39 #ifndef _OSGTEXTUREBASECHUNK_H_
  40 #define _OSGTEXTUREBASECHUNK_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGConfig.h"
  46 #include "OSGGLEXT.h"
  47 #include "OSGWindow.h"
  48 #include "OSGTextureBaseChunkBase.h"
  49 #include "OSGGLFuncProtos.h"
  50
  51 OSG_BEGIN_NAMESPACE
  52
  53 /*! \brief State chunk for textures. See \ref PageSystemTextureBaseChunk
  54            for a description.
  55     \ingroup GrpSystemStateBaseChunks
  56     \ingroup GrpLibOSGSystem
  57     \includebasedoc
  58  */
  59
  60 class OSG_SYSTEM_DLLMAPPING TextureBaseChunk : public TextureBaseChunkBase
  61 {
  62     /*==========================  PUBLIC  =================================*/
  63
  64   public:
  65
  66     /*---------------------------------------------------------------------*/
  67     /*! \name                 Chunk Class Access                           */
  68     /*! \{                                                                 */
  69
  70     virtual const StateChunkClass *getClass(void) const;
  71
  72     /*! \}                                                                 */
  73     /*---------------------------------------------------------------------*/
  74     /*! \name              Static Chunk Class Access                       */
  75     /*! \{                                                                 */
  76
  77     static       UInt32           getStaticClassId(void);
  78     static const StateChunkClass *getStaticClass  (void);
  79
  80     /*! \}                                                                 */
  81     /*---------------------------------------------------------------------*/
  82     /*! \name                    Chunk Id                                  */
  83     /*! \{                                                                 */
  84
  85     virtual UInt16 getChunkId(void);
  86
  87     /*! \}                                                                 */
  88     /*---------------------------------------------------------------------*/
  89     /*! \name                      Sync                                    */
  90     /*! \{                                                                 */
  91
  92     virtual void changed(ConstFieldMaskArg whichField,
  93                          UInt32            origin,
  94                          BitVector         details);
  95
  96     /*! \}                                                                 */
  97     /*---------------------------------------------------------------------*/
  98     /*! \name                      Output                                  */
  99     /*! \{                                                                 */
 100
 101     virtual void dump(      UInt32    uiIndent = 0,
 102                       const BitVector bvFlags  = 0) const;
 103
 104     /*! \}                                                                 */
 105     /*---------------------------------------------------------------------*/
 106     /*! \name                       State                                  */
 107     /*! \{                                                                 */
 108
 109     virtual bool isCubeTexture(void);
 110
 111     /*! \}                                                                 */
 112     /*---------------------------------------------------------------------*/
 113     /*! \name                       query                                  */
 114     /*! \{                                                                 */
 115
 116     virtual void   validate               (DrawEnv *pEnv) = 0;
 117     virtual Int32  getOpenGLId            (DrawEnv *pEnv) = 0;
 118     virtual GLenum determineInternalFormat(void         ) = 0;
 119
 120     /*! \}                                                                 */
 121     /*---------------------------------------------------------------------*/
 122     /*! \name                   Comparison                                 */
 123     /*! \{                                                                 */
 124
 125     /*! \}                                                                 */
 126     /*---------------------------------------------------------------------*/
 127     /*! \name                Texture specific                              */
 128     /*! \{                                                                 */
 129
 130     /*! \}                                                                 */
 131     /*---------------------------------------------------------------------*/
 132     /*! \name             Multitexture handling                            */
 133     /*! \{                                                                 */
 134
 135     static bool hasMultiTexture(Window *win);
 136     static void activeTexture  (Window *win, UInt16 texture);
 137     static bool activateTexture(Window *win, UInt16 texture);
 138
 139     /*! \}                                                                 */
 140     /*=========================  PROTECTED  ===============================*/
 141
 142   protected:
 143
 144     UInt16 _uiChunkId;
 145
 146     /*---------------------------------------------------------------------*/
 147     /*! \name                       Init                                   */
 148     /*! \{                                                                 */
 149
 150     void onCreate      (const TextureBaseChunk *source      = NULL);
 151     void onCreateAspect(const TextureBaseChunk *createAspect,
 152                         const TextureBaseChunk *source      = NULL);
 153
 154     /*! \}                                                                 */
 155     /*---------------------------------------------------------------------*/
 156     /*! \name                   Constructors                               */
 157     /*! \{                                                                 */
 158
 159     TextureBaseChunk(void);
 160     TextureBaseChunk(const TextureBaseChunk &source);
 161
 162     /*! \}                                                                 */
 163     /*---------------------------------------------------------------------*/
 164     /*! \name                   Destructors                                */
 165     /*! \{                                                                 */
 166
 167     virtual ~TextureBaseChunk(void);
 168
 169     /*! \}                                                                 */
 170     /*---------------------------------------------------------------------*/
 171     /*! \name                       Init                                   */
 172     /*! \{                                                                 */
 173
 174     static void initMethod(InitPhase ePhase);
 175
 176     /*! \}                                                                 */
 177     /*---------------------------------------------------------------------*/
 178     /*! \name                         GL                                   */
 179     /*! \{                                                                 */
 180
 181     static UInt32 _arbMultiTex;
 182
 183     static UInt32 _funcActiveTexture;
 184
 185     /*! \}                                                                 */
 186     /*---------------------------------------------------------------------*/
 187
 188     // class. Used for indexing in State
 189     // protected to give CubeTextureChunk access
 190     static StateChunkClass _class;
 191
 192     static volatile UInt16 _uiChunkCounter;
 193
 194     /*==========================  PRIVATE  ================================*/
 195
 196   private:
 197
 198     typedef TextureBaseChunkBase Inherited;
 199
 200     friend class FieldContainer;
 201     friend class TextureBaseChunkBase;
 202
 203     /*---------------------------------------------------------------------*/
 204     /*! \name                         GL                                   */
 205     /*! \{                                                                 */
 206
 207     /*! \}                                                                 */
 208     /*---------------------------------------------------------------------*/
 209
 210     // prohibit default functions (move to 'public' if you need one)
 211     void operator =(const TextureBaseChunk &source);
 212 };
 213
 214 typedef TextureBaseChunk *TextureBaseChunkP;
 215
 216 OSG_END_NAMESPACE
 217
 218 #include "OSGTextureBaseChunkBase.inl"
 219 #include "OSGTextureBaseChunk.inl"
 220
 221 #endif /* _OSGTEXTUREBASECHUNK_H_ */