IVGCVSW-3293 Add CL backend support for PReLU

Change-Id: I1bb187db89bb3eb883b8f0aca4c3439d82b56583
Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/backends/cl/workloads/ClPreluWorkload.cpp b/src/backends/cl/workloads/ClPreluWorkload.cpp
new file mode 100644
index 0000000000..1813105c21
--- /dev/null
+++ b/src/backends/cl/workloads/ClPreluWorkload.cpp
@@ -0,0 +1,48 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClPreluWorkload.hpp"
+#include "ClWorkloadUtils.hpp"
+#include <backendsCommon/CpuTensorHandle.hpp>
+#include <aclCommon/ArmComputeUtils.hpp>
+#include <cl/ClLayerSupport.hpp>
+#include <cl/ClTensorHandle.hpp>
+
+namespace armnn
+{
+
+arm_compute::Status ClPreluWorkloadValidate(const TensorInfo& input,
+                                            const TensorInfo& alpha,
+                                            const TensorInfo& output)
+{
+    const arm_compute::TensorInfo aclInput = armcomputetensorutils::BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclAlpha = armcomputetensorutils::BuildArmComputeTensorInfo(alpha);
+    const arm_compute::TensorInfo aclOutput = armcomputetensorutils::BuildArmComputeTensorInfo(output);
+
+    return arm_compute::CLPReluLayer::validate(&aclInput,
+                                               &aclAlpha,
+                                               &aclOutput);
+}
+
+ClPreluWorkload::ClPreluWorkload(const PreluQueueDescriptor& descriptor,
+                                 const WorkloadInfo& info)
+    : BaseWorkload<PreluQueueDescriptor>(descriptor, info)
+{
+    m_Data.ValidateInputsOutputs("ClPreluWorkload", 1, 1);
+
+    arm_compute::ICLTensor& input = static_cast<IClTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ICLTensor& alpha = static_cast<IClTensorHandle*>(m_Data.m_Inputs[1])->GetTensor();
+    arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+
+    m_PreluLayer.configure(&input, &alpha, &output);
+}
+
+void ClPreluWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClPreluWorkload_Execute");
+    RunClFunction(m_PreluLayer, CHECK_LOCATION());
+}
+
+} //namespace armnn