From 8f47657d646c06dbba8d44497c0f81fd00730cc8 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 26 Oct 2022 16:08:28 -0500
Subject: SL-18443 Allow nulling out of override data and implement new
 override message protocol.

---
 indra/newview/llviewerobject.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

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

diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index ac519970b7..7dbe0652b1 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -7115,6 +7115,20 @@ const LLUUID& LLViewerObject::getRenderMaterialID(U8 te) const
 
 void LLViewerObject::setRenderMaterialID(U8 te, const LLUUID& id, bool update_server)
 {
+    if (update_server)
+    {
+        // clear out any existing override data and render material
+        getTE(te)->setGLTFMaterialOverride(nullptr);
+        getTE(te)->setGLTFRenderMaterial(nullptr);
+
+        LLCoros::instance().launch("modifyMaterialCoro", 
+            std::bind(&LLGLTFMaterialList::modifyMaterialCoro, 
+                gAgent.getRegionCapability("ModifyMaterialParams"), 
+                llsd::map(
+                    "object_id", getID(),
+                    "side", te)));
+    }
+
     if (id.notNull())
     {
         getTE(te)->setGLTFMaterial(gGLTFMaterialList.getMaterial(id));
-- 
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