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diff --git a/extern/draco/dracoenc/src/draco/io/ply_property_reader.h b/extern/draco/dracoenc/src/draco/io/ply_property_reader.h
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index 00000000000..efb8a3a1f9d
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+++ b/extern/draco/dracoenc/src/draco/io/ply_property_reader.h
@@ -0,0 +1,96 @@
+// 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_IO_PLY_PROPERTY_READER_H_
+#define DRACO_IO_PLY_PROPERTY_READER_H_
+
+#include <functional>
+
+#include "draco/io/ply_reader.h"
+
+namespace draco {
+
+// Class for reading PlyProperty with a given type, performing data conversion
+// if necessary.
+template <typename ReadTypeT>
+class PlyPropertyReader {
+ public:
+  explicit PlyPropertyReader(const PlyProperty *property)
+      : property_(property) {
+    // Find the suitable function for converting values.
+    switch (property->data_type()) {
+      case DT_UINT8:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<uint8_t>(val_id);
+        };
+        break;
+      case DT_INT8:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<int8_t>(val_id);
+        };
+        break;
+      case DT_UINT16:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<uint16_t>(val_id);
+        };
+        break;
+      case DT_INT16:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<int16_t>(val_id);
+        };
+        break;
+      case DT_UINT32:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<uint32_t>(val_id);
+        };
+        break;
+      case DT_INT32:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<int32_t>(val_id);
+        };
+        break;
+      case DT_FLOAT32:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<float>(val_id);
+        };
+        break;
+      case DT_FLOAT64:
+        convert_value_func_ = [=](int val_id) {
+          return this->ConvertValue<double>(val_id);
+        };
+        break;
+      default:
+        break;
+    }
+  }
+
+  ReadTypeT ReadValue(int value_id) const {
+    return convert_value_func_(value_id);
+  }
+
+ private:
+  template <typename SourceTypeT>
+  ReadTypeT ConvertValue(int value_id) const {
+    const void *const address = property_->GetDataEntryAddress(value_id);
+    const SourceTypeT src_val = *reinterpret_cast<const SourceTypeT *>(address);
+    return static_cast<ReadTypeT>(src_val);
+  }
+
+  const PlyProperty *property_;
+  std::function<ReadTypeT(int)> convert_value_func_;
+};
+
+}  // namespace draco
+
+#endif  // DRACO_IO_PLY_PROPERTY_READER_H_