From 9c2dcdaa073cbc8c98fec4f578e51781e294af57 Mon Sep 17 00:00:00 2001
From: WangGuobao <wangguobao@51ias.com>
Date: Fri, 15 Mar 2019 12:52:10 +0800
Subject: [PATCH] fix build error for win

---
 modules/core/src/directx.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/core/src/directx.cpp b/modules/core/src/directx.cpp
index 1ec575a710..9a2251aaac 100644
--- a/modules/core/src/directx.cpp
+++ b/modules/core/src/directx.cpp
@@ -1266,11 +1266,12 @@ void convertToD3D11Texture2D(InputArray src, ID3D11Texture2D* pD3D11Texture2D)
     if(!useCLNVEXT){
         __convertToD3D11Texture2DKHR(src,pD3D11Texture2D);
     }
+#ifdef HAVE_OPENCL_D3D11_NV
     else
     {
         __convertToD3D11Texture2DNV(src,pD3D11Texture2D);
     }
-
+#endif
 #endif
 }
 
@@ -1287,11 +1288,12 @@ void convertFromD3D11Texture2D(ID3D11Texture2D* pD3D11Texture2D, OutputArray dst
     if(!useCLNVEXT){
         __convertFromD3D11Texture2DKHR(pD3D11Texture2D,dst);
     }
+#ifdef HAVE_OPENCL_D3D11_NV
     else
     {
         __convertFromD3D11Texture2DNV(pD3D11Texture2D,dst);
     }
-
+#endif
 #endif
 }