Kevin May | 93bbf00 | 2024-03-11 09:31:10 +0000 | [diff] [blame^] | 1 | // |
| 2 | // Copyright © 2024 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <OpaqueDelegateUtils.hpp> |
| 9 | |
| 10 | namespace armnnOpaqueDelegate |
| 11 | { |
| 12 | TfLiteStatus ValidateScatterNdOperator(DelegateData& delegateData, |
| 13 | TfLiteOpaqueContext *tfLiteContext, |
| 14 | const armnn::TensorInfo& indicesInfo, |
| 15 | const armnn::TensorInfo& updatesInfo, |
| 16 | const armnn::TensorInfo& shapeInfo, |
| 17 | const armnn::TensorInfo& outputInfo, |
| 18 | const armnn::ScatterNdDescriptor& descriptor) |
| 19 | { |
| 20 | bool isSupported = false; |
| 21 | FORWARD_LAYER_OPAQUE_SUPPORT_FUNC("SCATTER_ND", |
| 22 | tfLiteContext, |
| 23 | IsScatterNdSupported, |
| 24 | delegateData.m_Backends, |
| 25 | isSupported, |
| 26 | armnn::BackendId(), |
| 27 | shapeInfo, |
| 28 | indicesInfo, |
| 29 | updatesInfo, |
| 30 | outputInfo, |
| 31 | descriptor); |
| 32 | return isSupported ? kTfLiteOk : kTfLiteError; |
| 33 | } |
| 34 | |
| 35 | TfLiteStatus VisitScatterNdOperator(DelegateData& delegateData, |
| 36 | TfLiteOpaqueContext* tfLiteContext, |
| 37 | TfLiteOpaqueNode* tfLiteNode, |
| 38 | int nodeIndex, |
| 39 | int32_t scatterNdOperatorCode) |
| 40 | { |
| 41 | TF_LITE_ENSURE_STATUS(ValidateNumInputs(tfLiteContext, tfLiteNode, 3, nodeIndex)); |
| 42 | TF_LITE_ENSURE_STATUS(ValidateNumOutputs(tfLiteContext, tfLiteNode, 1, nodeIndex)); |
| 43 | |
| 44 | // Gather input indices and use to get input tensor. |
| 45 | auto numInputs = TfLiteOpaqueNodeNumberOfInputs(tfLiteNode); |
| 46 | const int* inputTensors; |
| 47 | if (TfLiteOpaqueNodeInputs(tfLiteNode, &inputTensors, &numInputs) != kTfLiteOk) |
| 48 | { |
| 49 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 50 | tfLiteContext, |
| 51 | "TfLiteArmnnOpaqueDelegate: Unable to gather input tensor indices from node #%d: ", |
| 52 | nodeIndex); |
| 53 | return kTfLiteError; |
| 54 | } |
| 55 | |
| 56 | // Gather input indices and use to get output tensor. |
| 57 | int numOutputs = 0; |
| 58 | const int* outputTensors; |
| 59 | if (TfLiteOpaqueNodeOutputs(tfLiteNode, &outputTensors, &numOutputs) != kTfLiteOk) |
| 60 | { |
| 61 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 62 | tfLiteContext, |
| 63 | "TfLiteArmnnOpaqueDelegate: Unable to gather output tensor indices from node #%d: ", |
| 64 | nodeIndex); |
| 65 | return kTfLiteError; |
| 66 | } |
| 67 | |
| 68 | // The indices tensor are the positions the data is updated/scattered into |
| 69 | const TfLiteOpaqueTensor* tfLiteIndicesTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[0]); |
| 70 | if (IsDynamicTensor(tfLiteIndicesTensor)) |
| 71 | { |
| 72 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 73 | tfLiteContext, |
| 74 | "TfLiteArmnnOpaqueDelegate: Dynamic input tensors are not supported in operator #%d node #%d: ", |
| 75 | scatterNdOperatorCode, nodeIndex); |
| 76 | return kTfLiteError; |
| 77 | } |
| 78 | |
| 79 | // The updates tensor provides the data which will be updated/scattered into the relevant indices |
| 80 | const TfLiteOpaqueTensor* tfLiteUpdatesTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[1]); |
| 81 | if (IsDynamicTensor(tfLiteUpdatesTensor)) |
| 82 | { |
| 83 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 84 | tfLiteContext, |
| 85 | "TfLiteArmnnOpaqueDelegate: Dynamic input tensors are not supported in operator #%d node #%d: ", |
| 86 | scatterNdOperatorCode, nodeIndex); |
| 87 | return kTfLiteError; |
| 88 | } |
| 89 | |
| 90 | // For TFLite ScatterNd there is no input tensor |
| 91 | // The shape tensor is a 1D tensor which represents the shape of an input tensor to be filled with zeros |
| 92 | const TfLiteOpaqueTensor* tfLiteShapeTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[2]); |
| 93 | if (IsDynamicTensor(tfLiteShapeTensor)) |
| 94 | { |
| 95 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 96 | tfLiteContext, |
| 97 | "TfLiteArmnnOpaqueDelegate: Dynamic input tensors are not supported in operator #%d node #%d: ", |
| 98 | scatterNdOperatorCode, nodeIndex); |
| 99 | return kTfLiteError; |
| 100 | } |
| 101 | |
| 102 | // The output tensor |
| 103 | const TfLiteOpaqueTensor* tfLiteOutputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, outputTensors[0]); |
| 104 | if (IsDynamicTensor(tfLiteOutputTensor)) |
| 105 | { |
| 106 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 107 | tfLiteContext, |
| 108 | "TfLiteArmnnOpaqueDelegate: Dynamic output tensors are not supported in operator #%d node #%d: ", |
| 109 | scatterNdOperatorCode, nodeIndex); |
| 110 | return kTfLiteError; |
| 111 | } |
| 112 | |
| 113 | const armnn::TensorInfo& shapeTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteShapeTensor); |
| 114 | const armnn::TensorInfo& indicesTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteIndicesTensor); |
| 115 | const armnn::TensorInfo& updatesTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteUpdatesTensor); |
| 116 | const armnn::TensorInfo& outputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteOutputTensor, true); |
| 117 | |
| 118 | armnn::ScatterNdDescriptor scatterNdDescriptor; |
| 119 | scatterNdDescriptor.m_Function = armnn::ScatterNdFunction::Update; |
| 120 | scatterNdDescriptor.m_InputEnabled = false; |
| 121 | scatterNdDescriptor.m_Axis = 0; |
| 122 | scatterNdDescriptor.m_AxisEnabled = false; |
| 123 | |
| 124 | // Check output dimensions |
| 125 | if (shapeTensorInfo.GetShape().GetNumElements() != outputTensorInfo.GetNumDimensions()) |
| 126 | { |
| 127 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 128 | tfLiteContext, |
| 129 | "TfLiteArmnnOpaqueDelegate: Input tensor dimension and output tensor dimension differ", |
| 130 | "Operator: #%d node #%d: ", |
| 131 | scatterNdOperatorCode, nodeIndex); |
| 132 | return kTfLiteError; |
| 133 | } |
| 134 | |
| 135 | // No network pointer indicates that only support for this operator should be checked |
| 136 | if (!delegateData.m_Network) |
| 137 | { |
| 138 | return ValidateScatterNdOperator(delegateData, |
| 139 | tfLiteContext, |
| 140 | indicesTensorInfo, |
| 141 | updatesTensorInfo, |
| 142 | shapeTensorInfo, |
| 143 | outputTensorInfo, |
| 144 | scatterNdDescriptor); |
| 145 | } |
| 146 | |
| 147 | auto layerName = GetName(armnn::LayerType::ScatterNd, nodeIndex); |
| 148 | armnn::IConnectableLayer* layer = delegateData.m_Network->AddScatterNdLayer(scatterNdDescriptor, layerName.c_str()); |
| 149 | |
| 150 | if (layer == nullptr) |
| 151 | { |
| 152 | return kTfLiteError; |
| 153 | } |
| 154 | |
| 155 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 156 | |
| 157 | if (ProcessInputs(layer, delegateData, tfLiteContext, tfLiteNode, nodeIndex) != kTfLiteOk) |
| 158 | { |
| 159 | return kTfLiteError; |
| 160 | } |
| 161 | |
| 162 | delegateData.m_OutputSlotForNode[inputTensors[2]]->Connect(layer->GetInputSlot(0)); |
| 163 | delegateData.m_OutputSlotForNode[inputTensors[0]]->Connect(layer->GetInputSlot(1)); |
| 164 | delegateData.m_OutputSlotForNode[inputTensors[1]]->Connect(layer->GetInputSlot(2)); |
| 165 | |
| 166 | // Prepare output slots |
| 167 | armnn::IOutputSlot& outputSlot = layer->GetOutputSlot(0); |
| 168 | delegateData.m_OutputSlotForNode[static_cast<unsigned long>(outputTensors[0])] = &outputSlot; |
| 169 | |
| 170 | return kTfLiteOk; |
| 171 | } |
| 172 | |
| 173 | } // namespace armnnOpaqueDelegate |