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diff --git a/extern/draco/draco/src/draco/compression/attributes/linear_sequencer.h b/extern/draco/draco/src/draco/compression/attributes/linear_sequencer.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_LINEAR_SEQUENCER_H_
+#define DRACO_COMPRESSION_ATTRIBUTES_LINEAR_SEQUENCER_H_
+
+#include "draco/compression/attributes/points_sequencer.h"
+
+namespace draco {
+
+// A simple sequencer that generates a linear sequence [0, num_points - 1].
+// I.e., the order of the points is preserved for the input data.
+class LinearSequencer : public PointsSequencer {
+ public:
+  explicit LinearSequencer(int32_t num_points) : num_points_(num_points) {}
+
+  bool UpdatePointToAttributeIndexMapping(PointAttribute *attribute) override {
+    attribute->SetIdentityMapping();
+    return true;
+  }
+
+ protected:
+  bool GenerateSequenceInternal() override {
+    if (num_points_ < 0) {
+      return false;
+    }
+    out_point_ids()->resize(num_points_);
+    for (int i = 0; i < num_points_; ++i) {
+      out_point_ids()->at(i) = PointIndex(i);
+    }
+    return true;
+  }
+
+ private:
+  int32_t num_points_;
+};
+
+}  // namespace draco
+
+#endif  // DRACO_COMPRESSION_ATTRIBUTES_LINEAR_SEQUENCER_H_