Added stub handler for GLTF LargeGenericMessage as part of work on SL-18105 SL-17697 and SL-17698

indra/newview/llgltfmateriallist.cpp

@@ -28,13 +28,36 @@
 #include "llgltfmateriallist.h"
 
 #include "llassetstorage.h"
+#include "lldispatcher.h"
 #include "llfilesystem.h"
 #include "llsdserialize.h"
 #include "lltinygltfhelper.h"
+#include "llviewergenericmessage.h"
 
 #include "tinygltf/tiny_gltf.h"
 #include <strstream>
 
+namespace
+{
+    class LLGLTFOverrideDispatchHandler : public LLDispatchHandler
+    {
+    public:
+        LLGLTFOverrideDispatchHandler() = default;
+        ~LLGLTFOverrideDispatchHandler() override = default;
+
+        bool operator()(const LLDispatcher* dispatcher, const std::string& key, const LLUUID& invoice, const sparam_t& strings) override
+        {
+            LL_DEBUGS() << "strings: ";
+            for (std::string const & s : strings) {
+                LL_CONT << " " << s;
+            }
+            LL_CONT << LL_ENDL;
+            return true;
+        }
+    };
+    LLGLTFOverrideDispatchHandler handle_gltf_override_message;
+}
+
 LLGLTFMaterialList gGLTFMaterialList;
 
 LLGLTFMaterial* LLGLTFMaterialList::getMaterial(const LLUUID& id)
@@ -128,3 +151,8 @@ void LLGLTFMaterialList::removeMaterial(const LLUUID& id)
     mList.erase(id);
 }
 
+// static
+void LLGLTFMaterialList::registerCallbacks()
+{
+    gGenericDispatcher.addHandler("GLTF", &handle_gltf_override_message);
+}

indra/newview/llgltfmateriallist.h

@@ -44,6 +44,8 @@ public:
     void addMaterial(const LLUUID& id, LLGLTFMaterial* material);
     void removeMaterial(const LLUUID& id);
 
+    static void registerCallbacks();
+
 };
 
 extern LLGLTFMaterialList gGLTFMaterialList;

indra/newview/llstartup.cpp

@@ -60,6 +60,7 @@
 #include "llfloatergridstatus.h"
 #include "llfloaterimsession.h"
 #include "lllocationhistory.h"
+#include "llgltfmateriallist.h"
 #include "llimageworker.h"
 
 #include "llloginflags.h"
@@ -1473,6 +1474,9 @@ bool idle_startup()
 		gXferManager->registerCallbacks(gMessageSystem);
 		display_startup();
 
+		LLGLTFMaterialList::registerCallbacks();
+		display_startup();
+
 		LLStartUp::initNameCache();
 		display_startup();