From b52dd1f684fa959f2897f45de56e885e5cd56510 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Vauchelles?= <fredericv@unity3d.com>
Date: Thu, 17 Sep 2020 09:39:04 +0200
Subject: [PATCH] Close popup window when focus is lost (case 1258571)

---
 com.unity.render-pipelines.core/Editor/FilterWindow.cs  | 2 ++
 com.unity.render-pipelines.high-definition/CHANGELOG.md | 1 +
 2 files changed, 3 insertions(+)

diff --git a/com.unity.render-pipelines.core/Editor/FilterWindow.cs b/com.unity.render-pipelines.core/Editor/FilterWindow.cs
index 44f06c95e32..acce42fe2bc 100644
--- a/com.unity.render-pipelines.core/Editor/FilterWindow.cs
+++ b/com.unity.render-pipelines.core/Editor/FilterWindow.cs
@@ -232,6 +232,8 @@ void OnDisable()
             s_FilterWindow = null;
         }
 
+        void OnLostFocus() => Close();
+
         internal static bool ValidateAddComponentMenuItem()
         {
             return true;
diff --git a/com.unity.render-pipelines.high-definition/CHANGELOG.md b/com.unity.render-pipelines.high-definition/CHANGELOG.md
index 98deeab0605..1c0361ce620 100644
--- a/com.unity.render-pipelines.high-definition/CHANGELOG.md
+++ b/com.unity.render-pipelines.high-definition/CHANGELOG.md
@@ -77,6 +77,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fix for lookdev toggling renderers that are set to non editable or are hidden in the inspector.
 - Fixed issue with mipmap debug mode not properly resetting full screen mode (and viceversa). 
 - Added unsupported message when using tile debug mode with MSAA.
+- Close Add Override popup of Volume Inspector when the popup looses focus (case 1258571)
 
 ### Changed
 - Preparation pass for RTSSShadows to be supported by render graph.