IVGCVSW-8037 Add BROADCAST_TO to tflite classic and opaque delegate.
Signed-off-by: Idriss Chaouch <idriss.chaouch@arm.com>
Change-Id: Ibc145d0ea1ac9414b6a68b5b547bf2ea2852fd36
diff --git a/delegate/opaque/src/BroadcastTo.hpp b/delegate/opaque/src/BroadcastTo.hpp
new file mode 100644
index 0000000..3795875
--- /dev/null
+++ b/delegate/opaque/src/BroadcastTo.hpp
@@ -0,0 +1,141 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <OpaqueDelegateUtils.hpp>
+
+namespace armnnOpaqueDelegate
+{
+ TfLiteStatus ValidateBroadcastToOperator(DelegateData& delegateData,
+ TfLiteOpaqueContext *tfLiteContext,
+ const armnn::TensorInfo& inputInfo,
+ const armnn::TensorInfo& outputInfo,
+ const armnn::BroadcastToDescriptor& descriptor)
+ {
+ bool isSupported = false;
+ FORWARD_LAYER_OPAQUE_SUPPORT_FUNC("BROADCAST_TO",
+ tfLiteContext,
+ IsBroadcastToSupported,
+ delegateData.m_Backends,
+ isSupported,
+ armnn::BackendId(),
+ inputInfo,
+ outputInfo,
+ descriptor);
+ return isSupported ? kTfLiteOk : kTfLiteError;
+ }
+
+ TfLiteStatus VisitBroadcastToOperator(DelegateData& delegateData,
+ TfLiteOpaqueContext* tfLiteContext,
+ TfLiteOpaqueNode* tfLiteNode,
+ int nodeIndex,
+ int32_t broadcastToOperatorCode)
+ {
+ TF_LITE_ENSURE_STATUS(ValidateNumInputs(tfLiteContext, tfLiteNode, 2, nodeIndex));
+ TF_LITE_ENSURE_STATUS(ValidateNumOutputs(tfLiteContext, tfLiteNode, 1, nodeIndex));
+
+ // Gather input tensors
+ auto numInputs = TfLiteOpaqueNodeNumberOfInputs(tfLiteNode);
+ const int* inputTensors;
+ if (TfLiteOpaqueNodeInputs(tfLiteNode, &inputTensors, &numInputs) != kTfLiteOk)
+ {
+ TF_LITE_OPAQUE_MAYBE_KERNEL_LOG(
+ tfLiteContext,
+ "TfLiteArmnnOpaqueDelegate: Unable to gather input tensor indices from node #%d: ",
+ nodeIndex);
+ return kTfLiteError;
+ }
+
+ // Gather output tensors
+ int numOutputs = 0;
+ const int* outputTensors;
+ if (TfLiteOpaqueNodeOutputs(tfLiteNode, &outputTensors,
+ &numOutputs) != kTfLiteOk)
+ {
+ TF_LITE_OPAQUE_MAYBE_KERNEL_LOG(
+ tfLiteContext,
+ "TfLiteArmnnOpaqueDelegate: Unable to gather output tensor indices from node #%d: ",
+ nodeIndex);
+ return kTfLiteError;
+ }
+
+ // The input contains the data
+ const TfLiteOpaqueTensor* tfLiteInputTensor =
+ TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[0]);
+ if (IsDynamicTensor(tfLiteInputTensor))
+ {
+ TF_LITE_OPAQUE_MAYBE_KERNEL_LOG(
+ tfLiteContext,
+ "TfLiteArmnnOpaqueDelegate: Dynamic input tensors are not supported in operator #%d node #%d: ",
+ broadcastToOperatorCode, nodeIndex);
+ return kTfLiteError;
+ }
+
+ // The shape tensor
+ const TfLiteOpaqueTensor* tfLiteShapeTensor =
+ TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[1]);;
+ if (IsDynamicTensor(tfLiteShapeTensor))
+ {
+ TF_LITE_OPAQUE_MAYBE_KERNEL_LOG(
+ tfLiteContext,
+ "TfLiteArmnnOpaqueDelegate: Dynamic input tensors are not supported in operator #%d node #%d: ",
+ broadcastToOperatorCode, nodeIndex);
+ return kTfLiteError;
+ }
+
+ // The output tensor
+ const TfLiteOpaqueTensor* tfLiteOutputTensor =
+ TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, outputTensors[0]);
+ if (IsDynamicTensor(tfLiteOutputTensor))
+ {
+ TF_LITE_OPAQUE_MAYBE_KERNEL_LOG(
+ tfLiteContext,
+ "TfLiteArmnnOpaqueDelegate: Dynamic output tensors are not supported in operator #%d node #%d: ",
+ broadcastToOperatorCode, nodeIndex);
+ return kTfLiteError;
+ }
+
+ const armnn::TensorInfo& inputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteInputTensor);
+ const armnn::TensorInfo& outputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteOutputTensor,
+ true);
+
+ auto* shapeData = static_cast<int32_t*>(TfLiteOpaqueTensorData(tfLiteShapeTensor));
+ int32_t shapeTensorNum = TfLiteOpaqueTensorDim(tfLiteShapeTensor, 0);
+
+ armnn::BroadcastToDescriptor broadcastToDescriptor;
+ broadcastToDescriptor.m_BroadcastToShape = armnn::TensorShape(shapeTensorNum,
+ shapeData);
+
+ // No network pointer indicates that only support for this operator should be checked
+ if (!delegateData.m_Network)
+ {
+ return ValidateBroadcastToOperator(delegateData,
+ tfLiteContext,
+ inputTensorInfo,
+ outputTensorInfo,
+ broadcastToDescriptor);
+ }
+
+ std::string layerName("BroadcastTo");
+ armnn::IConnectableLayer* layer = delegateData.m_Network->AddBroadcastToLayer(broadcastToDescriptor,
+ layerName.c_str());
+
+ if (layer == nullptr)
+ {
+ return kTfLiteError;
+ }
+
+ layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo);
+
+ if (ProcessInputs(layer, delegateData, tfLiteContext, tfLiteNode, nodeIndex) != kTfLiteOk)
+ {
+ return kTfLiteError;
+ }
+
+ return Connect(layer, tfLiteContext, tfLiteNode, delegateData);
+ }
+
+} // namespace armnnOpaqueDelegate
\ No newline at end of file