From c4fb0dd4145e05123c546458ba5d281abfcc2b28 Mon Sep 17 00:00:00 2001
From: Francis Murtagh <francis.murtagh@arm.com>
Date: Thu, 16 Mar 2023 17:01:56 +0000
Subject: IVGCVSW-7556 Introduce Opaque Delegate API

 * Also added cmake for the new layers to reduce merge conflicts.

Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
Change-Id: Ieb59aa2b7e2a18c57c9357b8d5b5cd63d8211c85
---
 delegate/opaque/src/armnn_delegate.cpp | 136 +++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 delegate/opaque/src/armnn_delegate.cpp

(limited to 'delegate/opaque/src/armnn_delegate.cpp')

diff --git a/delegate/opaque/src/armnn_delegate.cpp b/delegate/opaque/src/armnn_delegate.cpp
new file mode 100644
index 0000000000..190c386666
--- /dev/null
+++ b/delegate/opaque/src/armnn_delegate.cpp
@@ -0,0 +1,136 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include <armnn_delegate.hpp>
+
+#include <Version.hpp>
+
+#include "Activation.hpp"
+#include "ArgMinMax.hpp"
+#include "BatchMatMul.hpp"
+#include "BatchSpace.hpp"
+#include "Comparison.hpp"
+#include "Convolution.hpp"
+#include "Control.hpp"
+#include "ElementwiseBinary.hpp"
+#include "ElementwiseUnary.hpp"
+#include "Fill.hpp"
+#include "FullyConnected.hpp"
+#include "Gather.hpp"
+#include "GatherNd.hpp"
+#include "LogicalBinary.hpp"
+#include "Lstm.hpp"
+#include "Normalization.hpp"
+#include "Pack.hpp"
+#include "Pad.hpp"
+#include "Pooling.hpp"
+#include "Prelu.hpp"
+#include "Quantization.hpp"
+#include "Redefine.hpp"
+#include "Reduce.hpp"
+#include "Resize.hpp"
+#include "Round.hpp"
+#include "Shape.hpp"
+#include "Slice.hpp"
+#include "StridedSlice.hpp"
+#include "Softmax.hpp"
+#include "SpaceDepth.hpp"
+#include "Split.hpp"
+#include "Transpose.hpp"
+#include "UnidirectionalSequenceLstm.hpp"
+#include "Unpack.hpp"
+
+#include <armnn/utility/IgnoreUnused.hpp>
+#include <armnnUtils/Filesystem.hpp>
+#include <armnn/utility/Timer.hpp>
+#include <flatbuffers/flatbuffers.h>
+#include <tensorflow/lite/context_util.h>
+#include <tensorflow/lite/schema/schema_generated.h>
+#include <tensorflow/lite/minimal_logging.h>
+#include <tensorflow/lite/logger.h>
+
+#include <algorithm>
+#include <iostream>
+#include <sstream>
+
+namespace armnnOpaqueDelegate
+{
+
+ArmnnOpaqueDelegate::ArmnnOpaqueDelegate(armnnDelegate::DelegateOptions options)
+    : m_Options(std::move(options))
+{
+    // Configures logging for ARMNN
+    if (m_Options.IsLoggingEnabled())
+    {
+        armnn::ConfigureLogging(true, true, m_Options.GetLoggingSeverity());
+    }
+    // Create/Get the static ArmNN Runtime. Note that the m_Runtime will be shared by all armnn_delegate
+    // instances so the RuntimeOptions cannot be altered for different armnn_delegate instances.
+    m_Runtime = GetRuntime(m_Options.GetRuntimeOptions());
+    std::vector<armnn::BackendId> backends;
+    if (m_Runtime)
+    {
+        const armnn::BackendIdSet supportedDevices = m_Runtime->GetDeviceSpec().GetSupportedBackends();
+        for (auto& backend : m_Options.GetBackends())
+        {
+            if (std::find(supportedDevices.cbegin(), supportedDevices.cend(), backend) == supportedDevices.cend())
+            {
+                TFLITE_LOG_PROD(tflite::TFLITE_LOG_INFO,
+                                "TfLiteArmnnDelegate: Requested unknown backend %s", backend.Get().c_str());
+            }
+            else
+            {
+                backends.push_back(backend);
+            }
+        }
+    }
+
+    if (backends.empty())
+    {
+        // No known backend specified
+        throw armnn::InvalidArgumentException("TfLiteArmnnOpaqueDelegate: No known backend specified.");
+    }
+    m_Options.SetBackends(backends);
+
+    TFLITE_LOG_PROD_ONCE(tflite::TFLITE_LOG_INFO, "TfLiteArmnnOpaqueDelegate: Created TfLite ArmNN delegate.");
+}
+
+TfLiteOpaqueDelegate* TfLiteArmnnOpaqueDelegateCreate(const void* settings)
+{
+    // This method will always create Opaque Delegate with default settings until
+    // we have a DelegateOptions Constructor which can parse the void* settings
+    armnn::IgnoreUnused(settings);
+    auto options = TfLiteArmnnDelegateOptionsDefault();
+    auto* armnnDelegate = new ::armnnOpaqueDelegate::ArmnnOpaqueDelegate(options);
+    return TfLiteOpaqueDelegateCreate(armnnDelegate->GetDelegateBuilder());
+}
+
+::armnnDelegate::DelegateOptions TfLiteArmnnDelegateOptionsDefault()
+{
+    ::armnnDelegate::DelegateOptions options(armnn::Compute::CpuRef);
+    return options;
+}
+
+void TfLiteArmnnOpaqueDelegateDelete(TfLiteOpaqueDelegate* tfLiteDelegate)
+{
+    if (tfLiteDelegate != nullptr)
+    {
+        delete static_cast<::armnnOpaqueDelegate::ArmnnOpaqueDelegate*>(TfLiteOpaqueDelegateGetData(tfLiteDelegate));
+        TfLiteOpaqueDelegateDelete(tfLiteDelegate);
+    }
+}
+
+const TfLiteOpaqueDelegatePlugin* GetArmnnDelegatePluginApi()
+{
+    static constexpr TfLiteOpaqueDelegatePlugin armnnPlugin{
+            TfLiteArmnnOpaqueDelegateCreate, TfLiteArmnnOpaqueDelegateDelete, TfLiteArmnnOpaqueDelegateErrno};
+    return &armnnPlugin;
+}
+
+const std::string ArmnnOpaqueDelegate::GetVersion() {
+    return OPAQUE_DELEGATE_VERSION;
+}
+
+} // armnnOpaqueDelegate namespace
\ No newline at end of file
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