WCudaMSE/BilatTools_Cuda/src/core/cudatools/header/device/IndiceTools_GPU.h

   1 #ifndef INDICES_TOOLS_GPU_H_
   2 #define INDICES_TOOLS_GPU_H_
   3
   4 #include "both_define.h"
   5 #include "cudaType_CPU.h"
   6
   7 /*----------------------------------------------------------------------*\
   8  |*                     Declaration                                     *|
   9  \*---------------------------------------------------------------------*/
  10
  11 /*--------------------------------------*\
  12  |*             Public                  *|
  13  \*-------------------------------------*/
  14
  15 namespace gpu
  16     {
  17     class IndiceTools
  18         {
  19
  20             /*--------------------------------------*\
  21             |*          Constructor                 *|
  22              \*--------------------------------------*/
  23
  24         public:
  25
  26             /*--------------------------------------*\
  27             |*          Methodes                    *|
  28              \*--------------------------------------*/
  29
  30         public:
  31
  32             /**
  33              * s[0,W*H[ --> i[0,H[ j[0,W[
  34              * w = largeur
  35              * h = hauteur
  36              */
  37             __BOTH__
  38             static void toIJ( int s, int w, int* ptrI, int* ptrJ)
  39                 {
  40                 *ptrI = s / w;
  41                 *ptrJ = s - w * (*ptrI);
  42                 }
  43
  44             /**
  45              * s[0,W*H[ --> x[0,W[ y[0,H[
  46              */
  47             __BOTH__
  48             static float2 toPixelFloat(int s, int w)
  49                 {
  50                 const int y = s / w;
  51                 const int x = s - w * y;
  52                 const float2 pixel = { (float)x, (float)y };
  53                 return pixel;
  54                 }
  55
  56             /**
  57              * i[0,H[ j[0,W[ --> s[0,W*H[
  58              * w = largeur
  59              * h = hauteur
  60              */
  61             __BOTH__
  62             static  int toS(int w, int i, int j)
  63                 {
  64                 return (i * w) + j;
  65                 }
  66
  67             /*-------------------------------------*\
  68              |*         Attributs                   *|
  69              \*-------------------------------------*/
  70
  71         private:
  72
  73         };
  74     }
  75
  76 #endif
  77
  78 /*----------------------------------------------------------------------*\
  79  |*                     End                                             *|
  80  \*---------------------------------------------------------------------*/