added GpuFeature assertion to gpu::Canny

modules/gpu/include/opencv2/gpu/gpu.hpp

@@ -77,6 +77,7 @@ namespace cv
             FEATURE_SET_COMPUTE_20 = 20,
             FEATURE_SET_COMPUTE_21 = 21,
             GLOBAL_ATOMICS = FEATURE_SET_COMPUTE_11,
+            SHARED_ATOMICS = FEATURE_SET_COMPUTE_12,
             NATIVE_DOUBLE = FEATURE_SET_COMPUTE_13
         };
 

modules/gpu/src/brute_force_matcher.cpp

@@ -618,7 +618,7 @@ void cv::gpu::BruteForceMatcher_GPU_base::radiusMatch(const GpuMat& queryDescs,
         }
     };
 
-    CV_Assert(DeviceInfo().supports(GLOBAL_ATOMICS));
+    CV_Assert(TargetArchs::builtWith(GLOBAL_ATOMICS) && DeviceInfo().supports(GLOBAL_ATOMICS));
 
     const int nQuery = queryDescs.rows;
     const int nTrain = trainDescs.rows;

modules/gpu/src/imgproc.cpp

@@ -1782,6 +1782,7 @@ void cv::gpu::Canny(const GpuMat& src, CannyBuf& buf, GpuMat& dst, double low_th
 {
     using namespace cv::gpu::canny;
 
+    CV_Assert(TargetArchs::builtWith(SHARED_ATOMICS) && DeviceInfo().supports(SHARED_ATOMICS));
     CV_Assert(src.type() == CV_8UC1);
 
     if( low_thresh > high_thresh )
@@ -1820,6 +1821,7 @@ void cv::gpu::Canny(const GpuMat& dx, const GpuMat& dy, CannyBuf& buf, GpuMat& d
 {
     using namespace cv::gpu::canny;
 
+    CV_Assert(TargetArchs::builtWith(SHARED_ATOMICS) && DeviceInfo().supports(SHARED_ATOMICS));
     CV_Assert(dx.type() == CV_32SC1 && dy.type() == CV_32SC1 && dx.size() == dy.size());
 
     if( low_thresh > high_thresh )