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_LITE_DELEGATES_GPU_COMMON_TASKS_CONV_WEIGHTS_CONVERTER_H_ 17 #define TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASKS_CONV_WEIGHTS_CONVERTER_H_ 18 19 #include <string> 20 21 #include "tensorflow/lite/delegates/gpu/common/status.h" 22 #include "tensorflow/lite/delegates/gpu/common/task/gpu_operation.h" 23 #include "tensorflow/lite/delegates/gpu/common/task/weights_layout.h" 24 #include "tensorflow/lite/delegates/gpu/common/types.h" 25 26 namespace tflite { 27 namespace gpu { 28 29 class ConverterToConvWeights : public GPUOperation { 30 public: 31 ConverterToConvWeights(const OperationDef& definition, 32 const WeightsDescription& weights_desc, 33 Layout input_layout); 34 absl::Status BindArguments(ArgumentsBinder* args) override; 35 int3 GetGridSize() const override; 36 37 // Move only 38 ConverterToConvWeights(ConverterToConvWeights&& operation) = default; 39 ConverterToConvWeights& operator=(ConverterToConvWeights&& operation) = 40 default; 41 ConverterToConvWeights(const ConverterToConvWeights&) = delete; 42 ConverterToConvWeights& operator=(const ConverterToConvWeights&) = delete; 43 44 private: 45 std::string GetConverterToConvWeightsCode(); 46 47 OHWI GetWeightsSize() const; 48 49 WeightsDescription weights_desc_; 50 51 Layout input_layout_; // Can be only OHWI or HWIO 52 // if input_layout_ is OHWI: reinterpreting weights as OHWI-BHWC tensor 53 // if input_layout_ is HWIO: reinterpreting weights as HWIO-BHWC tensor 54 }; 55 56 ConverterToConvWeights CreateConverterToConvWeights( 57 const OperationDef& definition, const WeightsDescription& weights_desc, 58 Layout input_layout); 59 60 } // namespace gpu 61 } // namespace tflite 62 63 #endif // TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASKS_CONV_WEIGHTS_CONVERTER_H_ 64