1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 #ifndef TENSORFLOW_LITE_TOCO_IMPORT_TENSORFLOW_H_ 16 #define TENSORFLOW_LITE_TOCO_IMPORT_TENSORFLOW_H_ 17 18 #include <memory> 19 #include <string> 20 #include "tensorflow/core/framework/graph.pb.h" 21 #include "tensorflow/lite/toco/model.h" 22 #include "tensorflow/lite/toco/model_flags.pb.h" 23 24 namespace toco { 25 26 struct TensorFlowImportFlags { 27 // If true, control dependencies will be dropped immediately 28 // during the import of the TensorFlow GraphDef. 29 bool drop_control_dependency = false; 30 31 // Do not recognize any op and import all ops as 32 // `TensorFlowUnsupportedOperator`. This is used to populated with the 33 // `force_select_tf_ops` flag. 34 bool import_all_ops_as_unsupported = false; 35 }; 36 37 // Converts TOCO model from TensorFlow GraphDef with given flags. 38 std::unique_ptr<Model> ImportTensorFlowGraphDef( 39 const ModelFlags& model_flags, const TensorFlowImportFlags& tf_import_flags, 40 const tensorflow::GraphDef& graph_def); 41 42 // Converts TOCO model from the file content of TensorFlow GraphDef with given 43 // flags. 44 std::unique_ptr<Model> ImportTensorFlowGraphDef( 45 const ModelFlags& model_flags, const TensorFlowImportFlags& tf_import_flags, 46 const std::string& input_file_contents); 47 48 // Gets a list of supported ops by their names. 49 std::vector<std::string> GetPotentiallySupportedOps(); 50 51 } // namespace toco 52 53 #endif // TENSORFLOW_LITE_TOCO_IMPORT_TENSORFLOW_H_ 54