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