From 2aaa15fef15243e6b38f46426d8ebb355ccfb807 Mon Sep 17 00:00:00 2001
From: Cosmic Linden <cosmic@lindenlab.com>
Date: Tue, 24 Jan 2023 17:48:18 -0800
Subject: SL-19012: Fix new material IDs sometimes not applying when set via
 LSL

---
 indra/newview/llfetchedgltfmaterial.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'indra/newview/llfetchedgltfmaterial.cpp')

diff --git a/indra/newview/llfetchedgltfmaterial.cpp b/indra/newview/llfetchedgltfmaterial.cpp
index b095b74519..047f1a4965 100644
--- a/indra/newview/llfetchedgltfmaterial.cpp
+++ b/indra/newview/llfetchedgltfmaterial.cpp
@@ -115,3 +115,35 @@ void LLFetchedGLTFMaterial::bind()
     }
 
 }
+
+void LLFetchedGLTFMaterial::materialBegin()
+{
+    llassert(!mFetching);
+    mFetching = true;
+}
+
+void LLFetchedGLTFMaterial::onMaterialComplete(std::function<void()> material_complete)
+{
+    if (!material_complete) { return; }
+
+    if (!mFetching)
+    {
+        material_complete();
+        return;
+    }
+
+    materialCompleteCallbacks.push_back(material_complete);
+}
+
+void LLFetchedGLTFMaterial::materialComplete()
+{
+    llassert(mFetching);
+    mFetching = false;
+
+    for (std::function<void()> material_complete : materialCompleteCallbacks)
+    {
+        material_complete();
+    }
+    materialCompleteCallbacks.clear();
+    materialCompleteCallbacks.shrink_to_fit();
+}
-- 
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