Keith Davis | 0176fd8 | 2021-06-01 17:36:32 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2021 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include "DelegateUtils.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 | #include <numeric> |
| 15 | |
| 16 | namespace armnnDelegate |
| 17 | { |
| 18 | |
| 19 | TfLiteStatus VisitShapeOperator(DelegateData& delegateData, |
| 20 | TfLiteContext* tfLiteContext, |
| 21 | TfLiteNode* tfLiteNode, |
| 22 | int nodeIndex, |
| 23 | int32_t operatorCode) |
| 24 | { |
| 25 | TF_LITE_ENSURE_STATUS(ValidateNumInputs(tfLiteContext, tfLiteNode, 1, nodeIndex)); |
| 26 | TF_LITE_ENSURE_STATUS(ValidateNumOutputs(tfLiteContext, tfLiteNode, 1, nodeIndex)); |
| 27 | |
| 28 | const TfLiteTensor* tfLiteTensors = tfLiteContext->tensors; |
| 29 | const TfLiteTensor& tfLiteInputTensor = tfLiteTensors[tfLiteNode->inputs->data[0]]; |
| 30 | if (!IsValid(tfLiteContext, tfLiteInputTensor, operatorCode, nodeIndex)) |
| 31 | { |
| 32 | return kTfLiteError; |
| 33 | } |
| 34 | |
| 35 | const TfLiteTensor& tfLiteOutputTensor = tfLiteTensors[tfLiteNode->outputs->data[0]]; |
| 36 | if (!IsValid(tfLiteContext, tfLiteOutputTensor, operatorCode, nodeIndex)) |
| 37 | { |
| 38 | return kTfLiteError; |
| 39 | } |
| 40 | |
| 41 | const armnn::TensorInfo& inputTensorInfo = GetTensorInfoForTfLiteTensor(tfLiteInputTensor); |
| 42 | const armnn::TensorInfo& outputTensorInfo = GetTensorInfoForTfLiteTensor(tfLiteOutputTensor); |
| 43 | |
| 44 | auto* shapeParameters = reinterpret_cast<TfLiteShapeParams*>(tfLiteNode->builtin_data); |
| 45 | if ( shapeParameters->out_type != kTfLiteInt32 && shapeParameters->out_type != kTfLiteInt64 ) |
| 46 | { |
| 47 | TF_LITE_MAYBE_KERNEL_LOG( |
| 48 | tfLiteContext, |
| 49 | "TfLiteArmnnDelegate: output_type data type is not supported in operator #%d node #%d: ", |
| 50 | operatorCode, nodeIndex); |
| 51 | return kTfLiteError; |
| 52 | } |
| 53 | |
| 54 | bool isSupported = false; |
| 55 | auto validateFunc = [&](const armnn::TensorInfo& outInfo, bool& isSupported) |
| 56 | { |
Sadik Armagan | bfa767c | 2022-02-09 14:58:03 +0000 | [diff] [blame] | 57 | FORWARD_LAYER_SUPPORT_FUNC("SHAPE", |
Keith Davis | 0176fd8 | 2021-06-01 17:36:32 +0100 | [diff] [blame] | 58 | tfLiteContext, |
| 59 | IsShapeSupported, |
| 60 | delegateData.m_Backends, |
| 61 | isSupported, |
| 62 | inputTensorInfo, |
| 63 | outInfo); |
| 64 | }; |
| 65 | |
| 66 | // If the m_Network is a nullptr, this signals that a prerequisite TfLite callback is required to clarify the |
| 67 | // support for the operator |
| 68 | // If supported, VisitShapeOperator will be called again to add the layer to the network as seen further below |
| 69 | if (!delegateData.m_Network) |
| 70 | { |
| 71 | validateFunc(outputTensorInfo, isSupported); |
| 72 | return isSupported ? kTfLiteOk : kTfLiteError; |
| 73 | } |
| 74 | |
| 75 | // Add a Shape layer |
| 76 | armnn::IConnectableLayer* layer = delegateData.m_Network->AddShapeLayer(); |
| 77 | ARMNN_ASSERT(layer != nullptr); |
| 78 | |
| 79 | armnn::IOutputSlot& outputSlot = layer->GetOutputSlot(0); |
| 80 | outputSlot.SetTensorInfo(outputTensorInfo); |
| 81 | |
| 82 | // Connect |
| 83 | return Connect(layer, tfLiteNode, delegateData); |
| 84 | } |
| 85 | |
| 86 | } // namespace armnnDelegate |