Matthew Sloyan | ebe392d | 2023-03-30 10:12:08 +0100 | [diff] [blame^] | 1 | // |
| 2 | // Copyright © 2023 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <armnn/Exceptions.hpp> |
| 9 | |
| 10 | #include <tensorflow/lite/core/c/c_api.h> |
| 11 | #include <tensorflow/lite/kernels/custom_ops_register.h> |
| 12 | #include <tensorflow/lite/kernels/register.h> |
| 13 | |
| 14 | #include <type_traits> |
| 15 | |
| 16 | namespace delegateTestInterpreter |
| 17 | { |
| 18 | |
| 19 | inline TfLiteTensor* GetInputTensorFromInterpreter(TfLiteInterpreter* interpreter, int index) |
| 20 | { |
| 21 | TfLiteTensor* inputTensor = TfLiteInterpreterGetInputTensor(interpreter, index); |
| 22 | if(inputTensor == nullptr) |
| 23 | { |
| 24 | throw armnn::Exception("Input tensor was not found at the given index: " + std::to_string(index)); |
| 25 | } |
| 26 | return inputTensor; |
| 27 | } |
| 28 | |
| 29 | inline const TfLiteTensor* GetOutputTensorFromInterpreter(TfLiteInterpreter* interpreter, int index) |
| 30 | { |
| 31 | const TfLiteTensor* outputTensor = TfLiteInterpreterGetOutputTensor(interpreter, index); |
| 32 | if(outputTensor == nullptr) |
| 33 | { |
| 34 | throw armnn::Exception("Output tensor was not found at the given index: " + std::to_string(index)); |
| 35 | } |
| 36 | return outputTensor; |
| 37 | } |
| 38 | |
| 39 | inline TfLiteModel* CreateTfLiteModel(std::vector<char>& data) |
| 40 | { |
| 41 | TfLiteModel* tfLiteModel = TfLiteModelCreate(data.data(), data.size()); |
| 42 | if(tfLiteModel == nullptr) |
| 43 | { |
| 44 | throw armnn::Exception("An error has occurred when creating the TfLiteModel."); |
| 45 | } |
| 46 | return tfLiteModel; |
| 47 | } |
| 48 | |
| 49 | inline TfLiteInterpreterOptions* CreateTfLiteInterpreterOptions() |
| 50 | { |
| 51 | TfLiteInterpreterOptions* options = TfLiteInterpreterOptionsCreate(); |
| 52 | if(options == nullptr) |
| 53 | { |
| 54 | throw armnn::Exception("An error has occurred when creating the TfLiteInterpreterOptions."); |
| 55 | } |
| 56 | return options; |
| 57 | } |
| 58 | |
| 59 | inline tflite::ops::builtin::BuiltinOpResolver GenerateCustomOpResolver(const std::string& opName) |
| 60 | { |
| 61 | tflite::ops::builtin::BuiltinOpResolver opResolver; |
| 62 | if (opName == "MaxPool3D") |
| 63 | { |
| 64 | opResolver.AddCustom("MaxPool3D", tflite::ops::custom::Register_MAX_POOL_3D()); |
| 65 | } |
| 66 | else if (opName == "AveragePool3D") |
| 67 | { |
| 68 | opResolver.AddCustom("AveragePool3D", tflite::ops::custom::Register_AVG_POOL_3D()); |
| 69 | } |
| 70 | else |
| 71 | { |
| 72 | throw armnn::Exception("The custom op isn't supported by the DelegateTestInterpreter."); |
| 73 | } |
| 74 | return opResolver; |
| 75 | } |
| 76 | |
| 77 | template<typename T> |
| 78 | inline TfLiteStatus CopyFromBufferToTensor(TfLiteTensor* tensor, std::vector<T>& values) |
| 79 | { |
| 80 | // Make sure there is enough bytes allocated to copy into for uint8_t and int16_t case. |
| 81 | if(tensor->bytes < values.size() * sizeof(T)) |
| 82 | { |
| 83 | throw armnn::Exception("Tensor has not been allocated to match number of values."); |
| 84 | } |
| 85 | |
| 86 | // Requires uint8_t and int16_t specific case as the number of bytes is larger than values passed when creating |
| 87 | // TFLite tensors of these types. Otherwise, use generic TfLiteTensorCopyFromBuffer function. |
| 88 | TfLiteStatus status = kTfLiteOk; |
| 89 | if (std::is_same<T, uint8_t>::value) |
| 90 | { |
| 91 | for (unsigned int i = 0; i < values.size(); ++i) |
| 92 | { |
| 93 | tensor->data.uint8[i] = values[i]; |
| 94 | } |
| 95 | } |
| 96 | else if (std::is_same<T, int16_t>::value) |
| 97 | { |
| 98 | for (unsigned int i = 0; i < values.size(); ++i) |
| 99 | { |
| 100 | tensor->data.i16[i] = values[i]; |
| 101 | } |
| 102 | } |
| 103 | else |
| 104 | { |
| 105 | status = TfLiteTensorCopyFromBuffer(tensor, values.data(), values.size() * sizeof(T)); |
| 106 | } |
| 107 | return status; |
| 108 | } |
| 109 | |
| 110 | } // anonymous namespace |