1 /* Copyright 2020 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 16 #ifndef TENSORFLOW_COMPILER_XLA_PYTHON_DLPACK_H_ 17 #define TENSORFLOW_COMPILER_XLA_PYTHON_DLPACK_H_ 18 19 #include "pybind11/pybind11.h" 20 #include "tensorflow/compiler/xla/python/py_buffer.h" 21 #include "tensorflow/compiler/xla/python/py_client.h" 22 23 namespace xla { 24 25 // If take_ownership is true, ownership of the buffer is handed to DLPack, and 26 // the receiver may mutate the buffer as they see fit. Otherwise PjRt retains 27 // ownership of the buffer and it should be immutable. 28 StatusOr<pybind11::capsule> BufferToDLPackManagedTensor(pybind11::handle buffer, 29 bool take_ownership); 30 31 StatusOr<std::unique_ptr<PyBuffer>> DLPackManagedTensorToBuffer( 32 const pybind11::capsule& tensor, std::shared_ptr<PyClient> client); 33 34 } // namespace xla 35 36 #endif // TENSORFLOW_COMPILER_XLA_PYTHON_DLPACK_H_ 37