From c29cfaafa4972f02410f0609a84a3e2e5c6375a3 Mon Sep 17 00:00:00 2001
From: Qing Tao <55564570+VickyAtAZ@users.noreply.github.com>
Date: Wed, 23 Jun 2021 16:23:40 -0700
Subject: [PATCH] ATOM-15287 Materials Disappear When Hot Reloading Parent
 Materials (#1532)

The issue was because the material wasn't compiled when creating the draw packet
---
 .../Code/Source/Document/MaterialDocument.cpp             | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Gems/Atom/Tools/MaterialEditor/Code/Source/Document/MaterialDocument.cpp b/Gems/Atom/Tools/MaterialEditor/Code/Source/Document/MaterialDocument.cpp
index f054b67c6b..d541eb7076 100644
--- a/Gems/Atom/Tools/MaterialEditor/Code/Source/Document/MaterialDocument.cpp
+++ b/Gems/Atom/Tools/MaterialEditor/Code/Source/Document/MaterialDocument.cpp
@@ -567,9 +567,11 @@ namespace MaterialEditor
     {
         if (m_compilePending)
         {
-            m_materialInstance->Compile();
-            m_compilePending = false;
-            AZ::TickBus::Handler::BusDisconnect();
+            if (m_materialInstance->Compile())
+            {
+                m_compilePending = false;
+                AZ::TickBus::Handler::BusDisconnect();
+            }
         }
     }