home *** CD-ROM | disk | FTP | other *** search
/ IRIX Base Documentation 2002 November / SGI IRIX Base Documentation 2002 November.iso / usr / share / catman / g_man / cat3 / OpenGL / glgetsharpentexfuncsgis.z / glgetsharpentexfuncsgis
Encoding:
Text File  |  2002-10-03  |  4.8 KB  |  67 lines
  1.  
  2.  
  3.  
  4. ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))    OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee    ggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))
  5.  
  6.  
  7.  
  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 )
  15.  
  16.  
  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.      On RRRReeeeaaaalllliiiittttyyyyEEEEnnnnggggiiiinnnneeee, RRRReeeeaaaalllliiiittttyyyyEEEEnnnnggggiiiinnnneeee2222, and VVVVTTTTXXXX systems sharpen texturing may
  47.      not be used with 3D textures or when rendering to pixmaps.
  48.  
  49.  
  50. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  51.      ggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.
  52.  
  53.  
  54.  
  55.  
  56.  
  57.  
  58.  
  59.  
  60.  
  61.  
  62.  
  63.                                                                         PPPPaaaaggggeeee 1111
  64.  
  65.  
  66.  
  67.