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fix canny crash in bug #2279

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This commit is contained in:
yao 2013-01-24 14:58:41 +08:00
parent 0773ab4d07
commit d574e6dc09
1 changed files with 4 additions and 4 deletions
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8
modules/ocl/src/kernels/imgproc_canny.cl
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@ -691,7 +691,7 @@ __kernel
}
barrier(CLK_LOCAL_MEM_FENCE);
int ind = grp_idy * get_num_groups(0) + grp_idx;
int ind = mad24(grp_idy, (int)get_local_size(0), grp_idx);
if(ind < count)
{
@ -714,10 +714,10 @@ __kernel
}
barrier(CLK_LOCAL_MEM_FENCE);
while (s_counter > 0 && s_counter <= stack_size - get_num_groups(0))
while (s_counter > 0 && s_counter <= stack_size - get_local_size(0))
{
const int subTaskIdx = lidx >> 3;
const int portion = min(s_counter, get_num_groups(0) >> 3);
const int portion = min(s_counter, get_local_size(0)>> 3);
pos.x = pos.y = 0;
@ -757,7 +757,7 @@ __kernel
ind = s_ind;
for (int i = lidx; i < s_counter; i += get_num_groups(0))
for (int i = lidx; i < s_counter; i += get_local_size(0))
{
st2[ind + i] = s_st[i];
}