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diff --git a/extern/draco/draco/src/draco/compression/attributes/kd_tree_attributes_decoder.h b/extern/draco/draco/src/draco/compression/attributes/kd_tree_attributes_decoder.h
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+++ b/extern/draco/draco/src/draco/compression/attributes/kd_tree_attributes_decoder.h
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+// Copyright 2016 The Draco Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#ifndef DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_DECODER_H_
+#define DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_DECODER_H_
+
+#include "draco/attributes/attribute_quantization_transform.h"
+#include "draco/compression/attributes/attributes_decoder.h"
+
+namespace draco {
+
+// Decodes attributes encoded with the KdTreeAttributesEncoder.
+class KdTreeAttributesDecoder : public AttributesDecoder {
+ public:
+  KdTreeAttributesDecoder();
+
+ protected:
+  bool DecodePortableAttributes(DecoderBuffer *in_buffer) override;
+  bool DecodeDataNeededByPortableTransforms(DecoderBuffer *in_buffer) override;
+  bool TransformAttributesToOriginalFormat() override;
+
+ private:
+  template <typename SignedDataTypeT>
+  bool TransformAttributeBackToSignedType(PointAttribute *att,
+                                          int num_processed_signed_components);
+
+  std::vector<AttributeQuantizationTransform>
+      attribute_quantization_transforms_;
+  std::vector<int32_t> min_signed_values_;
+  std::vector<std::unique_ptr<PointAttribute>> quantized_portable_attributes_;
+};
+
+}  // namespace draco
+
+#endif  // DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_DECODER_H_