added assertion on Compute Capability >= 1.1 to BruteForceMatcher_GPU_base::radiusMatch

modules/gpu/src/brute_force_matcher.cpp

@@ -492,6 +492,10 @@ void cv::gpu::BruteForceMatcher_GPU_base::radiusMatch(const GpuMat& queryDescs,
             radiusMatchL2_gpu<short>, radiusMatchL2_gpu<int>, radiusMatchL2_gpu<float>, 0, 0
         }
     };
+
+    int major, minor;
+    getComputeCapability(getDevice(), major, minor);
+    CV_Assert(100 * major + 10 * minor >= 110); // works onle on device with CC >= 1.1
     
     const int nQuery = queryDescs.rows;
     const int nTrain = trainDescs.rows;

modules/gpu/src/cuda/brute_force_matcher.cu

@@ -1104,6 +1104,8 @@ namespace cv { namespace gpu { namespace bfmatcher
     __global__ void radiusMatch(PtrStep_<T> queryDescs_, DevMem2D_<T> trainDescs_, 
         float maxDistance, Mask mask, DevMem2Di trainIdx_, unsigned int* nMatches, PtrStepf distance)
     {
+        #if defined (__CUDA_ARCH__) && __CUDA_ARCH__ >= 110
+
         __shared__ float sdiff[BLOCK_DIM_X * BLOCK_DIM_Y];
 
         float* sdiff_row = sdiff + BLOCK_DIM_X * threadIdx.y;
@@ -1135,6 +1137,8 @@ namespace cv { namespace gpu { namespace bfmatcher
                 }
             }
         }
+
+        #endif
     }
         
     ///////////////////////////////////////////////////////////////////////////////