From 5a75154bc76f6c5db3c991b28c836ebc52226e27 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Sun, 15 Nov 2020 14:09:04 +0300
Subject: [PATCH] Don't wait for a frame to be rendered when renderer is
 stopped

---
 src/Avalonia.Visuals/Rendering/DeferredRenderer.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs b/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs
index 7a1a2cb4a3..a43fd8cc7c 100644
--- a/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs
+++ b/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs
@@ -187,6 +187,12 @@ namespace Avalonia.Rendering
         {
             if (RenderOnlyOnRenderThread)
             {
+                // Renderer is stopped and doesn't tick on the render thread
+                // This indicates a bug somewhere in our code
+                // (currently happens when a window gets minimized with Show desktop on Windows 10)
+                if(!_running)
+                    return;
+                
                 while (true)
                 {
                     Scene scene;