X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/snake_gpu.git/blobdiff_plain/935bdd1c8b99ce5d70b6e4a53ca29f06353e8baa..HEAD:/src/lib_kernels_cumuls.cu

diff --git a/src/lib_kernels_cumuls.cu b/src/lib_kernels_cumuls.cu
index 641a0ff..070a85f 100644
--- a/src/lib_kernels_cumuls.cu
+++ b/src/lib_kernels_cumuls.cu
@@ -1,5 +1,5 @@
 
-
+texture<int, 2, cudaReadModeElementType> tex_img_in ;
 
 __global__ void calcul_cumuls_gpu(unsigned short * img, t_cumul_x * cumul_x, t_cumul_x2 * cumul_x2, uint32 h, uint32 l, uint64 * gsomblocs, unsigned int N_BLOCS_LIGNE, unsigned int baseline, unsigned int nb_lines )
 {
@@ -13,13 +13,15 @@ __global__ void calcul_cumuls_gpu(unsigned short * img, t_cumul_x * cumul_x, t_c
   int pos = num_ligne*l + til ;                     //indice du pixel dans la 'tranche' courante
   int pos_img = pos + baseline*l ;                  //indice correspondant dans l'image originale
   int id, stride=1;
+  unsigned int z ;
   
   extern __shared__ tcumuls sdata[];
   //chargement en smem avec complement de 0  
   id = CFI(tib);
   if (til < l){
-     	    sdata[id].x = img[ pos_img ] ;
-  	    sdata[id].x2 = img[ pos_img ]*img[ pos_img ] ;
+	z = tex2D(tex_img_in, til, num_ligne) ;
+     	    sdata[id].x = z ;
+  	    sdata[id].x2 = z*z ;
 	 } else {
 	   sdata[id].x = 0 ;
 	   sdata[id].x2 = 0 ;