IVGCVSW-1897 : build infrastructure for the src/backends folder

Change-Id: I7ebafb675ccc77ad54d1deb01412a8379a5356bb

1 files changed, 57 insertions, 0 deletions

diff --git a/src/backends/NeonWorkloads/NeonActivationFloatWorkload.cpp b/src/backends/NeonWorkloads/NeonActivationFloatWorkload.cpp
new file mode 100644
index 0000000000..bedf3dcb02
--- /dev/null
+++ b/src/backends/NeonWorkloads/NeonActivationFloatWorkload.cpp
@@ -0,0 +1,57 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "NeonActivationFloatWorkload.hpp"
+#include "backends/ArmComputeUtils.hpp"
+
+
+namespace armnn
+{
+
+arm_compute::Status NeonActivationWorkloadValidate(const TensorInfo& input,
+                                                   const TensorInfo& output,
+                                                   const ActivationDescriptor& descriptor)
+{
+    const arm_compute::TensorInfo aclInput = armcomputetensorutils::BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclOutput = armcomputetensorutils::BuildArmComputeTensorInfo(output);
+
+    const arm_compute::ActivationLayerInfo activationLayerInfo =
+        ConvertActivationDescriptorToAclActivationLayerInfo(descriptor);
+
+    if (input.GetDataType() == DataType::QuantisedAsymm8 &&
+        activationLayerInfo.activation() == arm_compute::ActivationLayerInfo::ActivationFunction::LOGISTIC)
+    {
+        return arm_compute::Status{arm_compute::ErrorCode::RUNTIME_ERROR,
+                                   "Neon: Logistic Activations unsupported with QAsymm8 data type."};
+    }
+
+    return arm_compute::NEActivationLayer::validate(&aclInput,
+                                                    &aclOutput,
+                                                    activationLayerInfo);
+}
+
+NeonActivationFloatWorkload::NeonActivationFloatWorkload(const ActivationQueueDescriptor& descriptor,
+                                                         const WorkloadInfo&              info)
+    : FloatWorkload<ActivationQueueDescriptor>(descriptor, info)
+{
+    m_Data.ValidateInputsOutputs("NeonActivationFloatWorkload", 1, 1);
+
+    const arm_compute::ActivationLayerInfo activationLayerInfo =
+        ConvertActivationDescriptorToAclActivationLayerInfo(m_Data.m_Parameters);
+
+    arm_compute::ITensor& input = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ITensor& output = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+
+    m_ActivationLayer.configure(&input, &output, activationLayerInfo);
+}
+
+void NeonActivationFloatWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_NEON("NeonActivationFloatWorkload_Execute");
+    m_ActivationLayer.run();
+}
+
+} //namespace armnn
+