From 0d646490f55fc63d398f6deea3d206615207e4ea Mon Sep 17 00:00:00 2001
From: ltqusst <ltq18@hotmail.com>
Date: Fri, 30 Mar 2018 16:03:04 +0800
Subject: [PATCH] Fix #10557

Fix overflow bugs in conversion from NV12 VA-surface/D3D11texture2D to OpenCL UMat
---
 modules/core/src/opencl/cvtclr_dx.cl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/modules/core/src/opencl/cvtclr_dx.cl b/modules/core/src/opencl/cvtclr_dx.cl
index 5be77e757a..0ca2118c77 100644
--- a/modules/core/src/opencl/cvtclr_dx.cl
+++ b/modules/core/src/opencl/cvtclr_dx.cl
@@ -92,9 +92,9 @@ void YUV2BGR_NV12_8u(
     int x = get_global_id(0);
     int y = get_global_id(1);
 
-    if (x < cols)
+    if (x + 1 < cols)
     {
-        if (y < rows)
+        if (y + 1 < rows)
         {
             __global uchar* pDstRow1 = pBGR + mad24(y, bgrStep, mad24(x, NCHANNELS, 0));
             __global uchar* pDstRow2 = pDstRow1 + bgrStep;
@@ -204,4 +204,4 @@ void BGR2YUV_NV12_8u(
             write_imagef(imgUV, (int2)((x/2), (y/2)), UV);
         }
     }
-}
\ No newline at end of file
+}