From f4c7ff604de6f269f32d166222a0c9740dfdebb1 Mon Sep 17 00:00:00 2001
From: Dan Bagnell <daniel.p.bagnell@gmail.com>
Date: Mon, 3 Dec 2018 14:24:24 -0500
Subject: [PATCH] Fix texture cache dependencies.

---
 Source/Scene/PostProcessStageTextureCache.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/Scene/PostProcessStageTextureCache.js b/Source/Scene/PostProcessStageTextureCache.js
index c3a57eafa7e4..35879037d134 100644
--- a/Source/Scene/PostProcessStageTextureCache.js
+++ b/Source/Scene/PostProcessStageTextureCache.js
@@ -111,6 +111,9 @@ define([
         } else {
             for (j = 1; j < length; ++j) {
                 name = getLastStageName(composite.get(j));
+                if (!defined(dependencies[name])) {
+                    dependencies[name] = {};
+                }
                 dependencies[name][originalDependency] = true;
             }
         }