Merge pull request #8000 from mshabunin:fix-opencl-clahe

8 years ago · 5b363df2ae
parent 10e639cdb9 8c66531c42
commit 5b363df2ae
1 changed files with 2 additions and 10 deletions
--- a/modules/imgproc/src/opencl/clahe.cl
+++ b/modules/imgproc/src/opencl/clahe.cl
@ -186,21 +186,13 @@ __kernel void calcLut(__global __const uchar * src, const int srcStep,
 #else
        clipped = smem[0];
 #endif
-
-        // broadcast evaluated value
-
-        __local int totalClipped;
-
-        if (tid == 0)
-            totalClipped = clipped;
        barrier(CLK_LOCAL_MEM_FENCE);

        // redistribute clipped samples evenly
-
-        int redistBatch = totalClipped / 256;
+        int redistBatch = clipped / 256;
        tHistVal += redistBatch;

-        int residual = totalClipped - redistBatch * 256;
+        int residual = clipped - redistBatch * 256;
        int rStep = 256 / residual;
        if (rStep < 1)
            rStep = 1;