1 files changed, 19 insertions, 0 deletions
diff --git a/indra/newview/gltf/asset.h b/indra/newview/gltf/asset.h
index fd7ea17f05..8f28e5905f 100644
--- a/indra/newview/gltf/asset.h
+++ b/indra/newview/gltf/asset.h
@@ -49,10 +49,26 @@ namespace LL
     {
         class Asset;
 
+        class Extension
+        {
+        public:
+            // true if this extension is present in the gltf file
+            // otherwise false
+            bool mPresent = false;
+        };
+
+
         class Material
         {
         public:
 
+            class Unlit : public Extension // KHR_materials_unlit implementation
+            {
+            public:
+                const Unlit& operator=(const Value& src);
+                void serialize(boost::json::object& dst) const;
+            };
+
             enum class AlphaMode
             {
                 OPAQUE,
@@ -117,6 +133,7 @@ namespace LL
             AlphaMode mAlphaMode = AlphaMode::OPAQUE;
             F32 mAlphaCutoff = 0.5f;
             bool mDoubleSided = false;
+            Unlit mUnlit;
 
             const Material& operator=(const Value& src);
             void serialize(boost::json::object& dst) const;
@@ -300,6 +317,8 @@ namespace LL
             std::vector<Accessor> mAccessors;
             std::vector<Animation> mAnimations;
             std::vector<Skin> mSkins;
+            std::vector<std::string> mExtensionsUsed;
+            std::vector<std::string> mExtensionsRequired;
 
             std::string mVersion;
             std::string mGenerator;