1 files changed, 5 insertions, 0 deletions
diff --git a/extern/draco/dracoenc/src/draco/attributes/attribute_quantization_transform.cc b/extern/draco/dracoenc/src/draco/attributes/attribute_quantization_transform.cc
index 41193f1452f..237becefc61 100644
--- a/extern/draco/dracoenc/src/draco/attributes/attribute_quantization_transform.cc
+++ b/extern/draco/dracoenc/src/draco/attributes/attribute_quantization_transform.cc
@@ -92,6 +92,11 @@ bool AttributeQuantizationTransform::ComputeParameters(
       range_ = dif;
   }
 
+  // In case all values are the same, initialize the range to unit length. This
+  // will ensure that all values are quantized properly to the same value.
+  if (range_ == 0.f)
+    range_ = 1.f;
+
   return true;
 }