From f575c139300a6c53fa13dd0d7cbfbaa739e2b4b0 Mon Sep 17 00:00:00 2001
From: Brad Kittenbrink <brad@lindenlab.com>
Date: Tue, 18 Oct 2022 21:01:38 -0700
Subject: Better fix for mac/xcode compatibility problem in SL-18391.  Keep
 using unordered_map

---
 indra/newview/llgltfmateriallist.cpp | 7 ++++++-
 indra/newview/llgltfmateriallist.h   | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

(limited to 'indra')

diff --git a/indra/newview/llgltfmateriallist.cpp b/indra/newview/llgltfmateriallist.cpp
index 84cf746198..0fd5f37b51 100644
--- a/indra/newview/llgltfmateriallist.cpp
+++ b/indra/newview/llgltfmateriallist.cpp
@@ -175,7 +175,12 @@ void LLGLTFMaterialList::flushMaterials()
     const F64 MAX_INACTIVE_TIME = 30.f;
     F64 cur_time = LLTimer::getTotalSeconds();
 
-    uuid_mat_map_t::iterator iter = mList.upper_bound(mLastUpdateKey);
+    // advance iter one past the last key we updated
+    uuid_mat_map_t::iterator iter = mList.find(mLastUpdateKey);
+    if (iter != mList.end()) {
+        ++iter;
+    }
+
     while (update_count-- > 0)
     {
         if (iter == mList.end())
diff --git a/indra/newview/llgltfmateriallist.h b/indra/newview/llgltfmateriallist.h
index 3d97baf5f8..4b905e32c9 100644
--- a/indra/newview/llgltfmateriallist.h
+++ b/indra/newview/llgltfmateriallist.h
@@ -30,7 +30,7 @@
 #include "llgltfmaterial.h"
 #include "llpointer.h"
 
-#include <map>
+#include <unordered_map>
 
 class LLFetchedGLTFMaterial;
 
@@ -49,7 +49,7 @@ public:
 
     static void registerCallbacks();
 private:
-    typedef std::map<LLUUID, LLPointer<LLFetchedGLTFMaterial > > uuid_mat_map_t;
+    typedef std::unordered_map<LLUUID, LLPointer<LLFetchedGLTFMaterial > > uuid_mat_map_t;
     uuid_mat_map_t mList;
 
     LLUUID mLastUpdateKey;
-- 
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