From 271f2bcf86d9f35047a51c33aa048bec2fb2e1d1 Mon Sep 17 00:00:00 2001
From: Hamdi Sahloul <hamdisahloul@hotmail.com>
Date: Thu, 23 Aug 2018 18:47:13 +0900
Subject: [PATCH] UMat::getMat(): Utilize `ACCESS_READ` instead of 0

---
 modules/optflow/src/sparse_matching_gpc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/optflow/src/sparse_matching_gpc.cpp b/modules/optflow/src/sparse_matching_gpc.cpp
index d7b920d14..46cfede69 100644
--- a/modules/optflow/src/sparse_matching_gpc.cpp
+++ b/modules/optflow/src/sparse_matching_gpc.cpp
@@ -278,7 +278,7 @@ bool ocl_getAllDCTDescriptorsForImage( const Mat *imgCh, std::vector< GPCPatchDe
            (int)globSize[0], (int)globSize[1], (int)patchRadius )
     .run( 2, globSize, 0, true ) == false )
     return false;
-  Mat cpuOut = out.getMat( 0 );
+  Mat cpuOut = out.getMat( ACCESS_READ );
   for ( int i = 0; i + 2 * patchRadius < sz.height; ++i )
     for ( int j = 0; j + 2 * patchRadius < sz.width; ++j )
       descr.push_back( *cpuOut.ptr< GPCPatchDescriptor >( i * globSize[1] + j ) );