From fadb90c579acf292cf35dfcf67ab10139bb73fb2 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Thu, 17 Oct 2019 00:44:20 +0000
Subject: [PATCH] [move sift.cpp] xfeatures2d: use updated TLS API

original commit: https://github.com/opencv/opencv_contrib/commit/3e4fb8f415ba68c56ba2cded1ab10a75c46d342e
---
 modules/features2d/src/sift.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/features2d/src/sift.cpp b/modules/features2d/src/sift.cpp
index 15334b7735..8a13de7118 100644
--- a/modules/features2d/src/sift.cpp
+++ b/modules/features2d/src/sift.cpp
@@ -74,6 +74,8 @@
 #include <stdarg.h>
 #include <opencv2/core/hal/hal.hpp>
 
+#include <opencv2/core/utils/tls.hpp>
+
 namespace cv
 {
 
@@ -672,7 +674,7 @@ void SIFT_Impl::findScaleSpaceExtrema( const std::vector<Mat>& gauss_pyr, const
     const int threshold = cvFloor(0.5 * contrastThreshold / nOctaveLayers * 255 * SIFT_FIXPT_SCALE);
 
     keypoints.clear();
-    TLSData<std::vector<KeyPoint> > tls_kpts_struct;
+    TLSDataAccumulator<std::vector<KeyPoint> > tls_kpts_struct;
 
     for( int o = 0; o < nOctaves; o++ )
         for( int i = 1; i <= nOctaveLayers; i++ )