IVGCVSW-3073 Refactor reference DepthwiseConvolution2d workloads

Change-Id: I3cf8d9dbc4f8c95e0e2311505dd7e9f9069f1ab5
Signed-off-by: Ruomei Yan <ruomei.yan@arm.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/backends/reference/workloads/RefDepthwiseConvolution2dWorkload.cpp b/src/backends/reference/workloads/RefDepthwiseConvolution2dWorkload.cpp
new file mode 100644
index 0000000000..c7dc4afb81
--- /dev/null
+++ b/src/backends/reference/workloads/RefDepthwiseConvolution2dWorkload.cpp
@@ -0,0 +1,59 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "RefDepthwiseConvolution2dWorkload.hpp"
+
+#include "ConvImpl.hpp"
+#include "RefWorkloadUtils.hpp"
+#include "Decoders.hpp"
+#include "Encoders.hpp"
+#include "Profiling.hpp"
+#include <ResolveType.hpp>
+
+namespace armnn
+{
+
+RefDepthwiseConvolution2dWorkload::RefDepthwiseConvolution2dWorkload(
+        const DepthwiseConvolution2dQueueDescriptor& descriptor, const WorkloadInfo& info)
+        : BaseWorkload<DepthwiseConvolution2dQueueDescriptor>(descriptor, info)
+{
+    m_Weight = std::make_unique<ScopedCpuTensorHandle>(*(descriptor.m_Weight));
+    const TensorInfo& rFilterInfo = GetTensorInfo(m_Weight.get());
+    m_FilterShape = rFilterInfo.GetShape();
+    m_FilterDecoder = MakeDecoder<float>(rFilterInfo, m_Weight.get()->Map(true));
+
+    if (descriptor.m_Parameters.m_BiasEnabled)
+    {
+        m_Bias = std::make_unique<ScopedCpuTensorHandle>(*(descriptor.m_Bias));
+        const TensorInfo& biasInfo = GetTensorInfo(m_Bias.get());
+        m_BiasDecoder = MakeDecoder<float>(biasInfo, m_Bias.get()->Map(true));
+    }
+}
+
+void RefDepthwiseConvolution2dWorkload::PostAllocationConfigure()
+{
+    const TensorInfo& inputInfo = GetTensorInfo(m_Data.m_Inputs[0]);
+    m_InputShape = inputInfo.GetShape();
+    m_InputDecoder = MakeDecoder<float>(inputInfo, m_Data.m_Inputs[0]->Map());
+
+    const TensorInfo& outputInfo = GetTensorInfo(m_Data.m_Outputs[0]);
+    m_OutputShape = outputInfo.GetShape();
+    m_OutputEncoder = MakeEncoder<float>(outputInfo, m_Data.m_Outputs[0]->Map());
+}
+
+void RefDepthwiseConvolution2dWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefDepthwiseConvolution2dWorkload_Execute");
+    std::unique_ptr<Decoder<float>> pBiasDecoder{};
+
+    Convolve(m_InputShape, *m_InputDecoder, m_OutputShape, *m_OutputEncoder,
+             m_FilterShape, *m_FilterDecoder, m_Data.m_Parameters.m_BiasEnabled, m_BiasDecoder.get(),
+             m_Data.m_Parameters.m_DataLayout, m_Data.m_Parameters.m_PadTop, m_Data.m_Parameters.m_PadLeft,
+             m_Data.m_Parameters.m_StrideX, m_Data.m_Parameters.m_StrideY,
+             m_Data.m_Parameters.m_DilationX,
+             m_Data.m_Parameters.m_DilationY, true);
+}
+
+} //namespace armnn