From ff0a6f0518570169c3e9363afdb4e49421c8feb6 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Wed, 9 Sep 2020 10:36:52 +0100
Subject: [PATCH] dispose old layer before creating new one.

---
 src/Avalonia.Visuals/Rendering/RenderLayer.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Visuals/Rendering/RenderLayer.cs b/src/Avalonia.Visuals/Rendering/RenderLayer.cs
index d6676e25ff..ddf5f4e5cf 100644
--- a/src/Avalonia.Visuals/Rendering/RenderLayer.cs
+++ b/src/Avalonia.Visuals/Rendering/RenderLayer.cs
@@ -30,12 +30,13 @@ namespace Avalonia.Rendering
         {
             if (Size != size || Scaling != scaling)
             {
+                Bitmap.Dispose();
                 var resized = RefCountable.Create(drawingContext.CreateLayer(size));
 
                 using (var context = resized.Item.CreateDrawingContext(null))
                 {
                     context.Clear(Colors.Transparent);
-                    Bitmap.Dispose();
+                    
                     Bitmap = resized;
                     Scaling = scaling;
                     Size = size;