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/ IRIX Base Documentation 1998 November / IRIX 6.5.2 Base Documentation November 1998.img / usr / share / catman / g_man / cat3 / OpenGL-ftn / fglgetsharpentexfuncsgis.z / fglgetsharpentexfuncsgis
Text File  |  1998-10-20  |  5KB  |  67 lines
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  4. ffffggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))   OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee   ffffggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS((((3333GGGG))))
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  8. NNNNAAAAMMMMEEEE
  9.      ffffggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS - get sharpen texture scaling function
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  12. FFFFOOOORRRRTTTTRRRRAAAANNNN SSSSPPPPEEEECCCCIIIIFFFFIIIICCCCAAAATTTTIIIIOOOONNNN
  13.      SUBROUTINE ffffggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS( INTEGER*4 _t_a_r_g_e_t,
  14.                                           CHARACTER*8 _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.
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  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.
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  26. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  27.      ffffggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS retrieves the sharpen texture scaling function
  28.      samples specified by ffffggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.  See ffffggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS
  29.      for 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.      ffffggggllllGGGGeeeettttTTTTeeeexxxxPPPPaaaarrrraaaammmmeeeetttteeeerrrr 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.
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  36. EEEERRRRRRRROOOORRRRSSSS
  37.      GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____EEEENNNNUUUUMMMM is generated if _t_a_r_g_e_t is not one of the allowable
  38.      values.
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  40.      GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____OOOOPPPPEEEERRRRAAAATTTTIIIIOOOONNNN is generated if ffffggggllllGGGGeeeettttSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS is executed
  41.      between the execution of ffffggggllllBBBBeeeeggggiiiinnnn and the corresponding execution of
  42.      ffffggggllllEEEEnnnndddd.
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  45. MMMMAAAACCCCHHHHIIIINNNNEEEE DDDDEEEEPPPPEEEENNNNDDDDEEEENNNNCCCCIIIIEEEESSSS
  46.      On RealityEngine, RealityEngine2, and VTX systems sharpen texturing may
  47.      not be used with 3D textures or when rendering to pixmaps.
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  50. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  51.      ffffggggllllSSSShhhhaaaarrrrppppeeeennnnTTTTeeeexxxxFFFFuuuunnnnccccSSSSGGGGIIIISSSS.
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  63.                                                                         PPPPaaaaggggeeee 1111
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