From eed424530d916cf3c91f39529cbe3deaa0bfb79f Mon Sep 17 00:00:00 2001
From: Ben Doherty <benjdoherty15@gmail.com>
Date: Mon, 24 Sep 2018 13:52:36 -0700
Subject: [PATCH] Fix race condition in FilamentPanel (#287)

---
 java/src/java/com/google/android/filament/FilamentPanel.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/java/src/java/com/google/android/filament/FilamentPanel.java b/java/src/java/com/google/android/filament/FilamentPanel.java
index ed36925bff..945f42be38 100644
--- a/java/src/java/com/google/android/filament/FilamentPanel.java
+++ b/java/src/java/com/google/android/filament/FilamentPanel.java
@@ -197,6 +197,11 @@ public class FilamentPanel extends JPanel implements FilamentTarget {
         if (mNativeSurface == null) {
             return;
         }
+
+        // Previous frames using this surface may still be in the pipeline, so we must wait for
+        // them to finish.
+        engine.flushAndWait();
+
         mNativeSurface.dispose();
         engine.destroySwapChain(mSwapChain);
     }