IndiceTools_GPU.h

   1 #ifndef INDICES_TOOLS_GPU_H_
   2 #define INDICES_TOOLS_GPU_H_
   3
   4 #include "both_define.h"
   5
   6 /*----------------------------------------------------------------------*\
   7  |*                     Declaration                                     *|
   8  \*---------------------------------------------------------------------*/
   9
  10 /*--------------------------------------*\
  11  |*             Public                  *|
  12  \*-------------------------------------*/
  13
  14 namespace gpu
  15     {
  16     class IndiceTools
  17         {
  18
  19             /*--------------------------------------*\
  20             |*          Constructor                 *|
  21              \*--------------------------------------*/
  22
  23         public:
  24
  25             /*--------------------------------------*\
  26             |*          Methodes                    *|
  27              \*--------------------------------------*/
  28
  29         public:
  30
  31             /**
  32              * s[0,W*H[ --> i[0,H[ j[0,W[
  33              * w = largeur
  34              * h = hauteur
  35              */
  36             __BOTH__
  37             static  void toIJ( int s, int w, int* ptrI, int* ptrJ)
  38                 {
  39                 *ptrI = s / w;
  40                 *ptrJ = s - w * (*ptrI);
  41                 }
  42
  43             /**
  44              * i[0,H[ j[0,W[ --> s[0,W*H[
  45              * w = largeur
  46              * h = hauteur
  47              */
  48             __BOTH__
  49             static  int toS(int w, int i, int j)
  50                 {
  51                 return (i * w) + j;
  52                 }
  53
  54             /*-------------------------------------*\
  55              |*         Attributs                   *|
  56              \*-------------------------------------*/
  57
  58         private:
  59
  60         };
  61     }
  62
  63 #endif
  64
  65 /*----------------------------------------------------------------------*\
  66  |*                     End                                             *|
  67  \*---------------------------------------------------------------------*/