Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
Sadik Armagan | 5d03e31 | 2020-11-17 16:43:56 +0000 | [diff] [blame] | 6 | #pragma once |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 7 | |
| 8 | #include "DelegateOptions.hpp" |
| 9 | |
| 10 | #include <tensorflow/lite/builtin_ops.h> |
| 11 | #include <tensorflow/lite/c/builtin_op_data.h> |
| 12 | #include <tensorflow/lite/c/common.h> |
| 13 | #include <tensorflow/lite/minimal_logging.h> |
Matthew Sloyan | 81ec994 | 2021-10-12 10:26:30 +0100 | [diff] [blame] | 14 | #include <tensorflow/lite/version.h> |
| 15 | |
| 16 | #if TF_MAJOR_VERSION > 2 || (TF_MAJOR_VERSION == 2 && TF_MINOR_VERSION > 3) |
| 17 | #define ARMNN_POST_TFLITE_2_3 |
| 18 | #endif |
| 19 | |
| 20 | #if TF_MAJOR_VERSION > 2 || (TF_MAJOR_VERSION == 2 && TF_MINOR_VERSION > 5) |
| 21 | #define ARMNN_POST_TFLITE_2_5 |
| 22 | #endif |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 23 | |
| 24 | namespace armnnDelegate |
| 25 | { |
| 26 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 27 | struct DelegateData |
| 28 | { |
| 29 | DelegateData(const std::vector<armnn::BackendId>& backends) |
| 30 | : m_Backends(backends) |
| 31 | , m_Network(nullptr, nullptr) |
| 32 | {} |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 33 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 34 | const std::vector<armnn::BackendId> m_Backends; |
| 35 | armnn::INetworkPtr m_Network; |
| 36 | std::vector<armnn::IOutputSlot*> m_OutputSlotForNode; |
| 37 | }; |
| 38 | |
| 39 | // Forward decleration for functions initializing the ArmNN Delegate |
| 40 | DelegateOptions TfLiteArmnnDelegateOptionsDefault(); |
| 41 | |
| 42 | TfLiteDelegate* TfLiteArmnnDelegateCreate(armnnDelegate::DelegateOptions options); |
| 43 | |
| 44 | void TfLiteArmnnDelegateDelete(TfLiteDelegate* tfLiteDelegate); |
| 45 | |
| 46 | TfLiteStatus DoPrepare(TfLiteContext* context, TfLiteDelegate* delegate); |
| 47 | |
| 48 | /// ArmNN Delegate |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 49 | class Delegate |
| 50 | { |
| 51 | friend class ArmnnSubgraph; |
| 52 | public: |
| 53 | explicit Delegate(armnnDelegate::DelegateOptions options); |
| 54 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 55 | TfLiteIntArray* IdentifyOperatorsToDelegate(TfLiteContext* context); |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 56 | |
| 57 | TfLiteDelegate* GetDelegate(); |
| 58 | |
Matthew Sloyan | ac001ee | 2021-02-03 10:43:04 +0000 | [diff] [blame] | 59 | /// Retrieve version in X.Y.Z form |
| 60 | static const std::string GetVersion(); |
| 61 | |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 62 | private: |
| 63 | TfLiteDelegate m_Delegate = { |
| 64 | reinterpret_cast<void*>(this), // .data_ |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 65 | DoPrepare, // .Prepare |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 66 | nullptr, // .CopyFromBufferHandle |
| 67 | nullptr, // .CopyToBufferHandle |
| 68 | nullptr, // .FreeBufferHandle |
| 69 | kTfLiteDelegateFlagsNone, // .flags |
| 70 | }; |
| 71 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 72 | /// ArmNN Runtime pointer |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 73 | armnn::IRuntimePtr m_Runtime; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 74 | /// ArmNN Delegate Options |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 75 | armnnDelegate::DelegateOptions m_Options; |
| 76 | }; |
| 77 | |
| 78 | /// ArmnnSubgraph class where parsing the nodes to ArmNN format and creating the ArmNN Graph |
| 79 | class ArmnnSubgraph |
| 80 | { |
| 81 | public: |
| 82 | static ArmnnSubgraph* Create(TfLiteContext* tfLiteContext, |
| 83 | const TfLiteDelegateParams* parameters, |
| 84 | const Delegate* delegate); |
| 85 | |
| 86 | TfLiteStatus Prepare(TfLiteContext* tfLiteContext); |
| 87 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 88 | TfLiteStatus Invoke(TfLiteContext* tfLiteContext, TfLiteNode* tfLiteNode); |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 89 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 90 | static TfLiteStatus VisitNode(DelegateData& delegateData, |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 91 | TfLiteContext* tfLiteContext, |
| 92 | TfLiteRegistration* tfLiteRegistration, |
| 93 | TfLiteNode* tfLiteNode, |
| 94 | int nodeIndex); |
| 95 | |
| 96 | private: |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 97 | ArmnnSubgraph(armnn::NetworkId networkId, |
| 98 | armnn::IRuntime* runtime, |
| 99 | std::vector<armnn::BindingPointInfo>& inputBindings, |
| 100 | std::vector<armnn::BindingPointInfo>& outputBindings) |
| 101 | : m_NetworkId(networkId), m_Runtime(runtime), m_InputBindings(inputBindings), m_OutputBindings(outputBindings) |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 102 | {} |
| 103 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 104 | static TfLiteStatus AddInputLayer(DelegateData& delegateData, |
| 105 | TfLiteContext* tfLiteContext, |
| 106 | const TfLiteIntArray* inputs, |
| 107 | std::vector<armnn::BindingPointInfo>& inputBindings); |
| 108 | |
| 109 | static TfLiteStatus AddOutputLayer(DelegateData& delegateData, |
| 110 | TfLiteContext* tfLiteContext, |
| 111 | const TfLiteIntArray* outputs, |
| 112 | std::vector<armnn::BindingPointInfo>& outputBindings); |
| 113 | |
| 114 | |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 115 | /// The Network Id |
| 116 | armnn::NetworkId m_NetworkId; |
| 117 | /// ArmNN Rumtime |
| 118 | armnn::IRuntime* m_Runtime; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 119 | |
| 120 | // Binding information for inputs and outputs |
| 121 | std::vector<armnn::BindingPointInfo> m_InputBindings; |
| 122 | std::vector<armnn::BindingPointInfo> m_OutputBindings; |
| 123 | |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 124 | }; |
| 125 | |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 126 | } // armnnDelegate namespace |
| 127 | |
Sadik Armagan | 3c24f43 | 2020-10-19 17:35:30 +0100 | [diff] [blame] | 128 | |