1 files changed, 52 insertions, 11 deletions

diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index fd3c8de3e9..1c53bddb62 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -4961,6 +4961,22 @@ void LLViewerObject::updateTEMaterialTextures(U8 te)
     if (mat == nullptr && mat_id.notNull())
     {
         mat = (LLFetchedGLTFMaterial*) gGLTFMaterialList.getMaterial(mat_id);
+        if (mat->isFetching())
+        { // material is not loaded yet, rebuild draw info when the object finishes loading
+            mat->onMaterialComplete([id=getID()]
+                {
+                    LLViewerObject* obj = gObjectList.findObject(id);
+                    if (obj)
+                    {
+                        LLViewerRegion* region = obj->getRegion();
+                        if(region)
+                        {
+                            region->loadCacheMiscExtras(obj->getLocalID());
+                        }
+                        obj->markForUpdate(FALSE);
+                    }
+                });
+        }
         getTE(te)->setGLTFMaterial(mat);
     }
     else if (mat_id.isNull() && mat != nullptr)
@@ -5368,24 +5384,30 @@ S32 LLViewerObject::setTEGLTFMaterialOverride(U8 te, LLGLTFMaterial* override_ma
 
     LLFetchedGLTFMaterial* src_mat = (LLFetchedGLTFMaterial*) tep->getGLTFMaterial();
 
+    // if override mat exists, we must also have a source mat
     if (!src_mat)
-    { // we can get into this state if an override has arrived before the viewer has
+    {
+        // we can get into this state if an override has arrived before the viewer has
         // received or handled an update, return TEM_CHANGE_NONE to signal to LLGLTFMaterialList that it
         // should queue the update for later
         return retval;
     }
 
-    tep->setGLTFMaterialOverride(override_mat);
+    if(src_mat->isFetching())
+    {
+        // if still fetching, we need to wait until it is done and try again
+        return retval;
+    }
 
-    // if override mat exists, we must also have a source mat
-    llassert(override_mat ? bool(src_mat) : true);
+    tep->setGLTFMaterialOverride(override_mat);
 
-    if (override_mat && src_mat)
+    if (override_mat)
     {
         LLFetchedGLTFMaterial* render_mat = new LLFetchedGLTFMaterial(*src_mat);
         render_mat->applyOverride(*override_mat);
         tep->setGLTFRenderMaterial(render_mat);
         retval = TEM_CHANGE_TEXTURE;
+
     }
     else if (tep->setGLTFRenderMaterial(nullptr))
     {
@@ -5680,6 +5702,23 @@ void LLViewerObject::setDebugText(const std::string &utf8text)
 	updateText();
 }
 
+void LLViewerObject::appendDebugText(const std::string &utf8text)
+{
+    if (utf8text.empty() && !mText)
+    {
+        return;
+    }
+
+    if (!mText)
+    {
+        initHudText();
+    }
+    mText->addLine(utf8text, LLColor4::white);
+    mText->setZCompare(FALSE);
+    mText->setDoFade(FALSE);
+    updateText();
+}
+
 void LLViewerObject::initHudText()
 {
     mText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
@@ -7242,12 +7281,14 @@ void LLViewerObject::setRenderMaterialID(S32 te_in, const LLUUID& id, bool updat
     }
     else
     {
-        LLPointer<LLViewerObject> this_ptr = this;
-        new_material->onMaterialComplete([this_ptr]() mutable {
-            if (this_ptr->isDead()) { return; }
-
-            this_ptr->rebuildMaterial();
-        });
+        new_material->onMaterialComplete([obj_id = getID()]()
+            {
+                LLViewerObject* obj = gObjectList.findObject(obj_id);
+                if (obj)
+                {
+                    obj->rebuildMaterial();
+                }
+            });
     }
 
     // predictively update LLRenderMaterialParams (don't wait for server)