fixed bug in gpu::Canny

5e1808c7 · Vladislav Vinogradov · 1d1da9c5 · 5e1808c7
Commit 5e1808c7 authored Jan 23, 2012 by Vladislav Vinogradov
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canny.cu modules/gpu/src/cuda/canny.cu +5 -0

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--- a/modules/gpu/src/cuda/canny.cu
+++ b/modules/gpu/src/cuda/canny.cu
@@ -339,6 +339,11 @@ namespace cv { namespace gpu { namespace device

        void edgesHysteresisLocal_gpu(PtrStepi map, ushort2* st1, int rows, int cols)
        {
+            void* counter_ptr;
+            cudaSafeCall( cudaGetSymbolAddress(&counter_ptr, counter) );
+
+            cudaSafeCall( cudaMemset(counter_ptr, 0, sizeof(unsigned int)) );
+
            dim3 block(16, 16, 1);
            dim3 grid(divUp(cols, block.x), divUp(rows, block.y), 1);