Fixed a missing barrier.

ab2bd58f · Peng Xiao · 4b712eed · ab2bd58f
Commit ab2bd58f authored Oct 28, 2013 by Peng Xiao
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imgproc_canny.cl modules/ocl/src/opencl/imgproc_canny.cl +1 -0

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--- a/modules/ocl/src/opencl/imgproc_canny.cl
+++ b/modules/ocl/src/opencl/imgproc_canny.cl
@@ -553,6 +553,7 @@ edgesHysteresisGlobal
            if (subTaskIdx < portion)
                pos = s_st[s_counter - 1 - subTaskIdx];
+            barrier(CLK_LOCAL_MEM_FENCE);
            if (lidx == 0)
                s_counter -= portion;