From 37e318de6d5c92f3ddf806dc6d869e0e6e2179cb Mon Sep 17 00:00:00 2001
From: Sergio Pedri <sergio0694@live.com>
Date: Sun, 26 Jan 2020 21:38:59 +0100
Subject: [PATCH] Fixed a rollback error

---
 .../Processors/Effects/OilPaintingProcessor{TPixel}.cs         | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor{TPixel}.cs
index 1b350ea8b0..d8e2eec166 100644
--- a/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor{TPixel}.cs
@@ -68,6 +68,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
                 {
                     // Rent the shared buffer only once per parallel item.
                     using IMemoryOwner<float> bins = configuration.MemoryAllocator.Allocate<float>(levels * 4);
+
                     ref float binsRef = ref bins.GetReference();
                     ref int intensityBinRef = ref Unsafe.As<float, int>(ref binsRef);
                     ref float redBinRef = ref Unsafe.Add(ref binsRef, levels);
@@ -128,7 +129,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
                                 float alpha = sourceRow[x].ToVector4().W;
 
                                 ref TPixel pixel = ref targetRow[x];
-                                pixel.FromVector4(new Vector4(red, green, blue, sourceRow[x].ToVector4().W));
+                                pixel.FromVector4(new Vector4(red, green, blue, alpha));
                             }
                         }
                     }