274         UMat &trainIdx,   UMat &distance, UMat &nMatches, float maxDistance, int distType)  in ocl_radiusMatchSingle()  argument
282     ensureSizeIsEnough(1, query_rows, CV_32SC1, nMatches);  in ocl_radiusMatchSingle()
290     nMatches.setTo(Scalar::all(0));  in ocl_radiusMatchSingle()
318     idx = k.set(idx, ocl::KernelArg::PtrWriteOnly(nMatches));  in ocl_radiusMatchSingle()
353         const int nMatches = std::min(nMatches_ptr[queryIdx], trainIdx.cols);  in ocl_radiusMatchConvert()  local
355         if (nMatches == 0)  in ocl_radiusMatchConvert()
362         matches.push_back(std::vector<DMatch>(nMatches));  in ocl_radiusMatchConvert()
365         for (int i = 0; i < nMatches; ++i, ++trainIdx_ptr, ++distance_ptr)  in ocl_radiusMatchConvert()
381 …atic bool ocl_radiusMatchDownload(const UMat &trainIdx, const UMat &distance, const UMat &nMatches,  in ocl_radiusMatchDownload()  argument
384     if (trainIdx.empty() || distance.empty() || nMatches.empty())  in ocl_radiusMatchDownload()
389     Mat nMatchesCPU = nMatches.getMat(ACCESS_READ);  in ocl_radiusMatchDownload()
857     UMat trainIdx, distance, nMatches;  in ocl_radiusMatch()  local
858     if (!ocl_radiusMatchSingle(query, _train, trainIdx, distance, nMatches, maxDistance, dstType))  in ocl_radiusMatch()
860     if (!ocl_radiusMatchDownload(trainIdx, distance, nMatches, matches, compactResult))  in ocl_radiusMatch()