From b67a8ef792d3ee40d5b90008a4aa7d4c6be75bf6 Mon Sep 17 00:00:00 2001
From: walbourn_cp <SND\walbourn_cp>
Date: Fri, 14 Feb 2014 12:56:11 -0800
Subject: [PATCH] ScreenGrab: Fixed computing for NV11 which requires width
 multiple of 4, but height can be odd

---
 ScreenGrab/ScreenGrab.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ScreenGrab/ScreenGrab.cpp b/ScreenGrab/ScreenGrab.cpp
index ba2ced1..cc17527 100644
--- a/ScreenGrab/ScreenGrab.cpp
+++ b/ScreenGrab/ScreenGrab.cpp
@@ -507,9 +507,9 @@ static void GetSurfaceInfo( _In_ size_t width,
     }
     else if ( fmt == DXGI_FORMAT_NV11 )
     {
-        rowBytes = ( ( width + 1 ) >> 1 ) * 2;
-        numBytes = rowBytes * ( ( height + 1 ) >> 1 ) * 4;
+        rowBytes = ( ( width + 3 ) >> 2 ) * 4;
         numRows = height * 2; // Direct3D makes this simplifying assumption, although it is larger than the 4:1:1 data
+        numBytes = rowBytes * numRows;
     }
     else if (planar)
     {