From aee0e0482c68b714792b9cd3fc04134da057478c Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Mon, 7 Dec 2020 22:18:55 +0300
Subject: [PATCH] Extra non-pumping lock point

---
 src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs b/src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs
index 61af3efd73..e7d16f731c 100644
--- a/src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs
@@ -366,6 +366,7 @@ namespace Avalonia.Win32
 
                 case WindowsMessage.WM_SIZE:
                     {
+                        using(NonPumpingSyncContext.Use())
                         using (_rendererLock.Lock())
                         {
                             // Do nothing here, just block until the pending frame render is completed on the render thread