WCudaMSE/Tuto_Image_Cuda/src/cpp/core/02_Damier_Zoomable/moo/device/damierDevice.cu

   1 #include "Indice2D.h"\r
   2 #include "IndiceTools.h"\r
   3 #include "DomaineMath.h"\r
   4 #include "cudaTools.h"\r
   5 #include "Device.h"\r
   6 #include "DamierMath.h"\r
   7 \r
   8 \r
   9 \r
  10 /*----------------------------------------------------------------------*\\r
  11  |*                     Declaration                                     *|\r
  12  \*---------------------------------------------------------------------*/\r
  13 \r
  14 /*--------------------------------------*\\r
  15  |*             Imported                *|\r
  16  \*-------------------------------------*/\r
  17 \r
  18 /*--------------------------------------*\\r
  19  |*             Public                  *|\r
  20  \*-------------------------------------*/\r
  21 \r
  22 __global__ void damier(uchar4* ptrDevPixels,int w, int h,DomaineMath domaineMath, int n,float t);\r
  23 \r
  24 /*--------------------------------------*\\r
  25  |*             Private                 *|\r
  26  \*-------------------------------------*/\r
  27 \r
  28 \r
  29 \r
  30 /*----------------------------------------------------------------------*\\r
  31  |*                     Implementation                                  *|\r
  32  \*---------------------------------------------------------------------*/\r
  33 \r
  34 /*--------------------------------------*\\r
  35  |*             Public                  *|\r
  36  \*-------------------------------------*/\r
  37 \r
  38 /*--------------------------------------*\\r
  39  |*             Private                 *|\r
  40  \*-------------------------------------*/\r
  41 \r
  42 __global__ void damier(uchar4* ptrDevPixels, int w, int h, DomaineMath domaineMath, int n, float t)\r
  43     {\r
  44     DamierMath damierMath = DamierMath(n);\r
  45 \r
  46     const int TID = Indice2D::tid();\r
  47     const int NB_THREAD = Indice2D::nbThread();\r
  48 \r
  49     const int WH=w*h;\r
  50 \r
  51     uchar4 color;\r
  52 \r
  53     double x;\r
  54     double y;\r
  55 \r
  56     int pixelI;\r
  57     int pixelJ;\r
  58 \r
  59     int s = TID;\r
  60     while (s < WH)\r
  61         {\r
  62         IndiceTools::toIJ(s, w, &pixelI, &pixelJ); // update (pixelI, pixelJ)\r
  63 \r
  64         // (i,j) domaine ecran\r
  65         // (x,y) domaine math\r
  66         domaineMath.toXY(pixelI, pixelJ, &x, &y); //  (i,j) -> (x,y)\r
  67 \r
  68         damierMath.colorXY(&color,x, y,t); // update color\r
  69 \r
  70         ptrDevPixels[s] = color;\r
  71 \r
  72         s += NB_THREAD;\r
  73         }\r
  74 \r
  75     }\r
  76 \r
  77 /*----------------------------------------------------------------------*\\r
  78  |*                     End                                             *|\r
  79  \*---------------------------------------------------------------------*/\r
  80 \r