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