a minor bug fix for brute force

modules/ocl/src/brute_force_matcher.cpp

@@ -300,7 +300,7 @@ void matchUnrolledCached(const oclMat &query, const oclMat &train, float maxDist
         args.push_back( make_pair( sizeof(cl_int), (void *)&query.cols ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&train.rows ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&train.cols ));
-        args.push_back( make_pair( sizeof(cl_mem), (void *)&trainIdx.cols ));
+        args.push_back( make_pair( sizeof(cl_int), (void *)&trainIdx.cols ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&query.step ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&trainIdx.step ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&distType ));
@@ -338,7 +338,7 @@ void radius_match(const oclMat &query, const oclMat &train, float maxDistance, c
         args.push_back( make_pair( sizeof(cl_int), (void *)&query.cols ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&train.rows ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&train.cols ));
-        args.push_back( make_pair( sizeof(cl_mem), (void *)&trainIdx.cols ));
+        args.push_back( make_pair( sizeof(cl_int), (void *)&trainIdx.cols ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&query.step ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&trainIdx.step ));
         args.push_back( make_pair( sizeof(cl_int), (void *)&distType ));

modules/ocl/src/initialization.cpp

@@ -338,7 +338,8 @@ namespace cv
                                            EXT_LEN, (void *)extends_set, &extends_size));
             CV_Assert(extends_size < EXT_LEN);
             extends_set[EXT_LEN - 1] = 0;
-            //oclinfo.extra_options = NULL;
+            memset(oclinfo.impl->extra_options, 0, 512);
+            oclinfo.impl->double_support = 0;
             int fp64_khr = string(extends_set).find("cl_khr_fp64");
 
             if(fp64_khr >= 0 && fp64_khr < EXT_LEN)