Merge pull request #6266 from gongzg:master

9 years ago · 97d8ca3464
parent 947307baae 0b08d2559e
commit 97d8ca3464
1 changed files with 1 additions and 0 deletions
--- a/modules/imgproc/src/opencl/canny.cl
+++ b/modules/imgproc/src/opencl/canny.cl
@ -428,6 +428,7 @@ __kernel void stage2_hysteresis(__global uchar *map_ptr, int map_step, int map_o
        int mod = l_counter % LOCAL_TOTAL;
        int pix_per_thr = l_counter / LOCAL_TOTAL + ((lid < mod) ? 1 : 0);

+        barrier(CLK_LOCAL_MEM_FENCE);
        for (int i = 0; i < pix_per_thr; ++i)
        {
            int index = atomic_dec(&l_counter) - 1;