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-ftn / fglgetdetailtexfuncsgis.z / fglgetdetailtexfuncsgis
Encoding:
Text File  |  2002-10-03  |  4.4 KB  |  67 lines

  1.  
  2.  
  3.  
  4. ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))    OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee    ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))
  5.  
  6.  
  7.  
  8. NNNNAAAAMMMMEEEE
  9.      ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS - get detail texture scaling function
  10.  
  11.  
  12. FFFFOOOORRRRTTTTRRRRAAAANNNN SSSSPPPPEEEECCCCIIIIFFFFIIIICCCCAAAATTTTIIIIOOOONNNN
  13.      SUBROUTINE ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS( INTEGER*4 _t_a_r_g_e_t,
  14.                                          CHARACTER*8 _p_o_i_n_t_s )
  15.  
  16.  
  17. PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRRSSSS
  18.      _t_a_r_g_e_t  The texture whose detail texture scaling function is to be
  19.              retrieved.  Must be GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____2222DDDD.
  20.  
  21.      _p_o_i_n_t_s  A pointer to a floating-point array which receives the retrieved
  22.              detail texture function.  Each pair of elements in the array
  23.              receives an _L_O_D (level-of-detail) value and a scaling function
  24.              value.
  25.  
  26. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  27.      ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS retrieves the detail texture scaling function
  28.      samples specified by ffffggggllllDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.  See ffffggggllllDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS for
  29.      a discussion of detail texturing.
  30.  
  31. NNNNOOOOTTTTEEEESSSS
  32.      The number of elements in _p_o_i_n_t_s may be queried by calling
  33.      ffffggggllllGGGGeeeettttTTTTeeeexxxxPPPPaaaarrrraaaammmmeeeetttteeeerrrr with _t_a_r_g_e_t set to GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____2222DDDD and _p_n_a_m_e set to
  34.      GGGGLLLL____DDDDEEEETTTTAAAAIIIILLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____FFFFUUUUNNNNCCCC____PPPPOOOOIIIINNNNTTTTSSSS____SSSSGGGGIIIISSSS.
  35.  
  36. EEEERRRRRRRROOOORRRRSSSS
  37.      GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____EEEENNNNUUUUMMMM is generated if _t_a_r_g_e_t is not an allowable value.
  38.  
  39.      GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____OOOOPPPPEEEERRRRAAAATTTTIIIIOOOONNNN is generated if ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS is executed
  40.      between the execution of ffffggggllllBBBBeeeeggggiiiinnnn and the corresponding execution of
  41.      ffffggggllllEEEEnnnndddd.
  42.  
  43.  
  44. MMMMAAAACCCCHHHHIIIINNNNEEEE DDDDEEEEPPPPEEEENNNNDDDDEEEENNNNCCCCIIIIEEEESSSS
  45.      On RealityEngine, RealityEngine2, and VTX systems detail texturing may
  46.      not be used when rendering to pixmaps.
  47.  
  48.      RealityEngine, RealityEngine2, and VTX systems do not support
  49.      ffffggggllllGGGGeeeettttDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS correctly.
  50.  
  51.  
  52. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  53.      ffffggggllllDDDDeeeettttaaaaiiiillllTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.
  54.  
  55.  
  56.  
  57.  
  58.  
  59.  
  60.  
  61.  
  62.  
  63.                                                                         PPPPaaaaggggeeee 1111
  64.  
  65.  
  66.  
  67.