From 09341dc11d88de39b2b4fb990ec730b4d57f8b0a Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 29 Aug 2020 16:42:34 -0300
Subject: [PATCH] Fix off by one error in pages count calculation on GPU pool
 (#1511)

---
 Ryujinx.Graphics.Gpu/Image/Pool.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Ryujinx.Graphics.Gpu/Image/Pool.cs b/Ryujinx.Graphics.Gpu/Image/Pool.cs
index 8796894c4e..0abf682434 100644
--- a/Ryujinx.Graphics.Gpu/Image/Pool.cs
+++ b/Ryujinx.Graphics.Gpu/Image/Pool.cs
@@ -1,3 +1,4 @@
+using Ryujinx.Common;
 using Ryujinx.Graphics.Gpu.Memory;
 using System;
 
@@ -49,7 +50,11 @@ namespace Ryujinx.Graphics.Gpu.Image
             Address = address;
             Size    = size;
 
-            _modifiedRanges = new (ulong, ulong)[size / PhysicalMemory.PageSize];
+            ulong endAddress = BitUtils.AlignUp(Address + Size, PhysicalMemory.PageSize);
+
+            ulong pagesCount = (endAddress - BitUtils.AlignDown(Address, PhysicalMemory.PageSize)) / PhysicalMemory.PageSize;
+
+            _modifiedRanges = new (ulong, ulong)[pagesCount];
         }
 
         /// <summary>