From 0a710c4c44be908a93a318e1fbd5c3535e849293 Mon Sep 17 00:00:00 2001
From: David Beck <david.beck@arm.com>
Date: Tue, 11 Sep 2018 15:21:14 +0100
Subject: IVGCVSW-1843 : refactor ClAdditionWorkload and ClSubtractionWorkload

Change-Id: I0ca9f16217f8e32bb57a49b841611f10dabf021a
---
 .../backends/ClWorkloads/ClSubtractionWorkload.cpp | 64 ++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 src/armnn/backends/ClWorkloads/ClSubtractionWorkload.cpp

(limited to 'src/armnn/backends/ClWorkloads/ClSubtractionWorkload.cpp')

diff --git a/src/armnn/backends/ClWorkloads/ClSubtractionWorkload.cpp b/src/armnn/backends/ClWorkloads/ClSubtractionWorkload.cpp
new file mode 100644
index 0000000000..ec8bfc6351
--- /dev/null
+++ b/src/armnn/backends/ClWorkloads/ClSubtractionWorkload.cpp
@@ -0,0 +1,64 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClSubtractionWorkload.hpp"
+
+#include "backends/ClTensorHandle.hpp"
+#include "backends/CpuTensorHandle.hpp"
+#include "backends/ArmComputeTensorUtils.hpp"
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+static constexpr arm_compute::ConvertPolicy g_AclConvertPolicy = arm_compute::ConvertPolicy::SATURATE;
+
+template <armnn::DataType... T>
+ClSubtractionWorkload<T...>::ClSubtractionWorkload(const SubtractionQueueDescriptor& descriptor,
+                                                           const WorkloadInfo& info)
+    : TypedWorkload<SubtractionQueueDescriptor, T...>(descriptor, info)
+{
+    this->m_Data.ValidateInputsOutputs("ClSubtractionWorkload", 2, 1);
+
+    arm_compute::ICLTensor& input0 = static_cast<IClTensorHandle*>(this->m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ICLTensor& input1 = static_cast<IClTensorHandle*>(this->m_Data.m_Inputs[1])->GetTensor();
+    arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(this->m_Data.m_Outputs[0])->GetTensor();
+    m_Layer.configure(&input0, &input1, &output, g_AclConvertPolicy);
+}
+
+template <armnn::DataType... T>
+void ClSubtractionWorkload<T...>::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClSubtractionWorkload_Execute");
+    m_Layer.run();
+}
+
+bool ClSubtractionValidate(const TensorInfo& input0,
+                           const TensorInfo& input1,
+                           const TensorInfo& output,
+                           std::string* reasonIfUnsupported)
+{
+    const arm_compute::TensorInfo aclInput0Info = BuildArmComputeTensorInfo(input0);
+    const arm_compute::TensorInfo aclInput1Info = BuildArmComputeTensorInfo(input1);
+    const arm_compute::TensorInfo aclOutputInfo = BuildArmComputeTensorInfo(output);
+
+    const arm_compute::Status aclStatus = arm_compute::CLArithmeticSubtraction::validate(&aclInput0Info,
+                                                                                         &aclInput1Info,
+                                                                                         &aclOutputInfo,
+                                                                                         g_AclConvertPolicy);
+
+    const bool supported = (aclStatus.error_code() == arm_compute::ErrorCode::OK);
+    if (!supported && reasonIfUnsupported)
+    {
+        *reasonIfUnsupported = aclStatus.error_description();
+    }
+
+    return supported;
+}
+
+} //namespace armnn
+
+template class armnn::ClSubtractionWorkload<armnn::DataType::Float16, armnn::DataType::Float32>;
+template class armnn::ClSubtractionWorkload<armnn::DataType::QuantisedAsymm8>;
-- 
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