SL-18458 Make LLVOCache the one source of truth on most recently received overrides. (#147)

1 files changed, 9 insertions, 2 deletions

diff --git a/indra/llprimitive/lltextureentry.cpp b/indra/llprimitive/lltextureentry.cpp
index a665db378b..17b1f4cf5c 100644
--- a/indra/llprimitive/lltextureentry.cpp
+++ b/indra/llprimitive/lltextureentry.cpp
@@ -559,10 +559,17 @@ void LLTextureEntry::setGLTFMaterial(LLGLTFMaterial* material, bool local_origin
     }
 }
 
-void LLTextureEntry::setGLTFMaterialOverride(LLGLTFMaterial* mat)
+S32 LLTextureEntry::setGLTFMaterialOverride(LLGLTFMaterial* mat)
 { 
     llassert(mat == nullptr || getGLTFMaterial() != nullptr); // if override is not null, base material must not be null
-    mGLTFMaterialOverrides = mat; 
+    if (mat == mGLTFMaterialOverrides)
+    {
+        return TEM_CHANGE_NONE;
+    }
+
+    mGLTFMaterialOverrides = mat;
+
+    return TEM_CHANGE_TEXTURE;
 }
 
 S32 LLTextureEntry::setBaseMaterial()