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/ SGI Developer Toolbox 6.1 / SGI Developer Toolbox 6.1 - Disc 1.iso / toolbox / documents / OpenGL / extensions / man / glgetsharpentexfuncsgis.z / glgetsharpentexfuncsgis
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Text File  |  1996-11-11  |  4.6 KB  |  67 lines
  1.  
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  4. ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))    OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee    ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))
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  6.  
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  8. NNNNAAAAMMMMEEEE
  9.      ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS - get sharpen texture scaling function
  10.  
  11.  
  12. CCCC SSSSPPPPEEEECCCCIIIIFFFFIIIICCCCAAAATTTTIIIIOOOONNNN
  13.      void ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS( GLenum _t_a_r_g_e_t,
  14.                                    GLfloat *_p_o_i_n_t_s )
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  17. PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRRSSSS
  18.      _t_a_r_g_e_t  The texture whose sharpen texture scaling function is to be
  19.              retrieved.  Must be GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____1111DDDD, GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____2222DDDD, or
  20.              GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____3333DDDD____EEEEXXXXTTTT.
  21.  
  22.      _p_o_i_n_t_s  A pointer to a floating-point array which receives the retrieved
  23.              scaling function.  Each pair of elements in the array receives an
  24.              _L_O_D (level-of-detail) value and a scaling function value.
  25.  
  26. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  27.      ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS retrieves the sharpen texture scaling function
  28.      samples specified by ggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.  See ggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS for
  29.      a discussion of sharpen texturing.
  30.  
  31. NNNNOOOOTTTTEEEESSSS
  32.      The number of elements in _p_o_i_n_t_s may be queried by calling
  33.      ggggllllGGGGeeeettttTTTTeeeexxxxPPPPaaaarrrraaaammmmeeeetttteeeerrrr with _t_a_r_g_e_t set to GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____1111DDDD, GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____2222DDDD, or
  34.      GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____3333DDDD____EEEEXXXXTTTT and _p_n_a_m_e set to GGGGLLLL____SSSSHHHHAAAARRRRPPPPEEEENNNN____TTTTEEEEXXXXTTTTUUUURRRREEEE____FFFFUUUUNNNNCCCC____PPPPOOOOIIIINNNNTTTTSSSS____SSSSGGGGIIIISSSS.
  35.  
  36. EEEERRRRRRRROOOORRRRSSSS
  37.      GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____EEEENNNNUUUUMMMM is generated if _t_a_r_g_e_t is not one of the allowable
  38.      values.
  39.  
  40.      GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____OOOOPPPPEEEERRRRAAAATTTTIIIIOOOONNNN is generated if ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS is executed
  41.      between the execution of ggggllllBBBBeeeeggggiiiinnnn and the corresponding execution of
  42.      ggggllllEEEEnnnndddd.
  43.  
  44.  
  45. MMMMAAAACCCCHHHHIIIINNNNEEEE DDDDEEEEPPPPEEEENNNNDDDDEEEENNNNCCCCIIIIEEEESSSS
  46.      Sharpen texturing is supported only on RealityEngine, RealityEngine2, and
  47.      VTX systems.  However, on these systems it may not be used with 3D
  48.      textures or when rendering to pixmaps.
  49.  
  50.  
  51. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  52.      ggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.
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  63.                                                                         PPPPaaaaggggeeee 1111
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