Source/System/State/OpenGL/OSGTextureEnvChunk.h

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  38
  39 #ifndef _OSGTEXTUREENVCHUNK_H_
  40 #define _OSGTEXTUREENVCHUNK_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGConfig.h"
  46 #include "OSGGLEXT.h"
  47 #include "OSGWindow.h"
  48 #include "OSGImage.h"
  49 #include "OSGTextureEnvChunkBase.h"
  50
  51 OSG_BEGIN_NAMESPACE
  52
  53 /*! \brief State chunk for textures. See \ref PageSystemTextureEnvChunk
  54            for a description.
  55     \ingroup GrpStateOpenGLObj
  56     \ingroup GrpLibOSGState
  57     \includebasedoc
  58  */
  59
  60 class OSG_STATE_DLLMAPPING TextureEnvChunk : public TextureEnvChunkBase
  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     /*! \}                                                                 */
  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                       State                                  */
 105     /*! \{                                                                 */
 106
 107     virtual void activate   (DrawEnv    *pEnv,
 108                              UInt32      index = 0);
 109
 110     virtual void changeFrom (DrawEnv    *pEnv,
 111                              StateChunk *pOld,
 112                              UInt32      index = 0);
 113
 114     virtual void deactivate (DrawEnv    *pEnv,
 115                              UInt32      index = 0);
 116
 117     virtual bool isTransparent (void) const;
 118
 119     /*! \}                                                                 */
 120     /*---------------------------------------------------------------------*/
 121     /*! \name                       query                                  */
 122     /*! \{                                                                 */
 123
 124     //GLenum determineTextureTarget(Window *pWindow) const;
 125
 126     /*! \}                                                                 */
 127     /*---------------------------------------------------------------------*/
 128     /*! \name                   Comparison                                 */
 129     /*! \{                                                                 */
 130
 131     virtual Real32 switchCost(StateChunk * chunk);
 132
 133     virtual bool   operator <  (const StateChunk &other) const;
 134
 135     virtual bool   operator == (const StateChunk &other) const;
 136     virtual bool   operator != (const StateChunk &other) const;
 137
 138     /*! \}                                                                 */
 139     /*---------------------------------------------------------------------*/
 140     /*! \name                Texture specific                              */
 141     /*! \{                                                                 */
 142
 143     void setShaderOffsetMatrix(Real32 m11,
 144                                Real32 m12,
 145                                Real32 m21,
 146                                Real32 m22);
 147
 148     /*! \}                                                                 */
 149     /*---------------------------------------------------------------------*/
 150     /*! \name             Multitexture handling                            */
 151     /*! \{                                                                 */
 152
 153     /*! \}                                                                 */
 154     /*=========================  PROTECTED  ===============================*/
 155
 156   protected:
 157
 158     /*---------------------------------------------------------------------*/
 159     /*! \name                       Init                                   */
 160     /*! \{                                                                 */
 161
 162     void onCreate      (const TextureEnvChunk *source      = NULL);
 163     void onCreateAspect(const TextureEnvChunk *createAspect,
 164                         const TextureEnvChunk *source      = NULL);
 165
 166     /*! \}                                                                 */
 167     /*---------------------------------------------------------------------*/
 168     /*! \name                   Constructors                               */
 169     /*! \{                                                                 */
 170
 171     TextureEnvChunk(void);
 172     TextureEnvChunk(const TextureEnvChunk &source);
 173
 174     /*! \}                                                                 */
 175     /*---------------------------------------------------------------------*/
 176     /*! \name                   Destructors                                */
 177     /*! \{                                                                 */
 178
 179     virtual ~TextureEnvChunk(void);
 180
 181     /*! \}                                                                 */
 182     /*---------------------------------------------------------------------*/
 183     /*! \name                       Init                                   */
 184     /*! \{                                                                 */
 185
 186     static void initMethod(InitPhase ePhase);
 187
 188     /*! \}                                                                 */
 189     /*---------------------------------------------------------------------*/
 190     /*! \name                         GL                                   */
 191     /*! \{                                                                 */
 192
 193     static UInt32 _extPointSprite;
 194     static UInt32 _extTextureShader;
 195     static UInt32 _extTextureShader2;
 196     static UInt32 _extTextureShader3;
 197     static UInt32 _extTextureLodBias;
 198
 199     void handleTextureShader(Window *win, GLenum bindtarget);
 200
 201     /*! \}                                                                 */
 202
 203     // class. Used for indexing in State
 204     // protected to give CubeTextureChunk access
 205     static StateChunkClass _class;
 206
 207     /*==========================  PRIVATE  ================================*/
 208
 209   private:
 210
 211     typedef TextureEnvChunkBase Inherited;
 212
 213     friend class FieldContainer;
 214     friend class TextureEnvChunkBase;
 215
 216     // prohibit default functions (move to 'public' if you need one)
 217     void operator =(const TextureEnvChunk &source);
 218 };
 219
 220 typedef TextureEnvChunk *TextureEnvChunkP;
 221
 222 OSG_END_NAMESPACE
 223
 224 #include "OSGTextureEnvChunkBase.inl"
 225 #include "OSGTextureEnvChunk.inl"
 226
 227 #endif /* _OSGTEXTUREENVCHUNK_H_ */