IVGCVSW-1882: Added ClPadWorkload

* added ClPadWorkload class
* Updated ClWorkloadFactory
* added IsPadSupportedCl function
* Updated build files

Change-Id: Iadccc340a0eae1ff30fab6441854acac7f8edc92

8 files changed, 114 insertions, 1 deletions

diff --git a/src/backends/ClLayerSupport.cpp b/src/backends/ClLayerSupport.cpp
index 30a1330706..8c9ba6e3fe 100644
--- a/src/backends/ClLayerSupport.cpp
+++ b/src/backends/ClLayerSupport.cpp
@@ -25,6 +25,7 @@
 #include "ClWorkloads/ClL2NormalizationFloatWorkload.hpp"
 #include "ClWorkloads/ClMultiplicationFloatWorkload.hpp"
 #include "ClWorkloads/ClFullyConnectedWorkload.hpp"
+#include "ClWorkloads/ClPadWorkload.hpp"
 #include "ClWorkloads/ClPooling2dBaseWorkload.hpp"
 #include "ClWorkloads/ClPermuteWorkload.hpp"
 #include "ClWorkloads/ClNormalizationFloatWorkload.hpp"
@@ -334,6 +335,14 @@ bool IsOutputSupportedCl(const TensorInfo& output,
                                     &TrueFunc<>);
 }
 
+bool IsPadSupportedCl(const TensorInfo& input,
+                      const TensorInfo& output,
+                      const PadDescriptor& descriptor,
+                      std::string* reasonIfUnsupported)
+{
+    return FORWARD_CL_LAYER_SUPPORT_FUNC(ClPadValidate(input, output, descriptor, reasonIfUnsupported));
+}
+
 bool IsPermuteSupportedCl(const TensorInfo& input,
                           const TensorInfo& output,
                           const PermuteDescriptor& descriptor,
diff --git a/src/backends/ClLayerSupport.hpp b/src/backends/ClLayerSupport.hpp
index f5c1226e56..69c9b646f4 100644
--- a/src/backends/ClLayerSupport.hpp
+++ b/src/backends/ClLayerSupport.hpp
@@ -109,6 +109,11 @@ bool IsNormalizationSupportedCl(const TensorInfo& input,
 bool IsOutputSupportedCl(const TensorInfo& output,
                          std::string* reasonIfUnsupported = nullptr);
 
+bool IsPadSupportedCl(const TensorInfo& input,
+                      const TensorInfo& output,
+                      const PadDescriptor& descriptor,
+                      std::string* reasonIfUnsupported = nullptr);
+
 bool IsPermuteSupportedCl(const TensorInfo& input,
                           const TensorInfo& output,
                           const PermuteDescriptor& descriptor,
diff --git a/src/backends/ClWorkloadFactory.cpp b/src/backends/ClWorkloadFactory.cpp
index 6aee233ca4..6d7ff3d4e3 100644
--- a/src/backends/ClWorkloadFactory.cpp
+++ b/src/backends/ClWorkloadFactory.cpp
@@ -270,7 +270,8 @@ std::unique_ptr<IWorkload> ClWorkloadFactory::CreateMean(const MeanQueueDescript
 std::unique_ptr<IWorkload> ClWorkloadFactory::CreatePad(const PadQueueDescriptor& descriptor,
                                                         const WorkloadInfo& info) const
 {
-    return MakeWorkload<NullWorkload, NullWorkload>(descriptor, info);
+    return MakeWorkload<ClPadWorkload<armnn::DataType::Float16, armnn::DataType::Float32>,
+                        ClPadWorkload<armnn::DataType::QuantisedAsymm8>>(descriptor, info);
 }
 
 void ClWorkloadFactory::Finalize()
diff --git a/src/backends/ClWorkloads.hpp b/src/backends/ClWorkloads.hpp
index 2bbda8a62b..272f1b03ff 100644
--- a/src/backends/ClWorkloads.hpp
+++ b/src/backends/ClWorkloads.hpp
@@ -25,6 +25,7 @@
 #include "backends/ClWorkloads/ClMergerUint8Workload.hpp"
 #include "backends/ClWorkloads/ClMultiplicationFloatWorkload.hpp"
 #include "backends/ClWorkloads/ClNormalizationFloatWorkload.hpp"
+#include "backends/ClWorkloads/ClPadWorkload.hpp"
 #include "backends/ClWorkloads/ClPermuteWorkload.hpp"
 #include "backends/ClWorkloads/ClPooling2dFloatWorkload.hpp"
 #include "backends/ClWorkloads/ClPooling2dUint8Workload.hpp"
diff --git a/src/backends/ClWorkloads/CMakeLists.txt b/src/backends/ClWorkloads/CMakeLists.txt
index ac935b5cf7..ec61d534f0 100644
--- a/src/backends/ClWorkloads/CMakeLists.txt
+++ b/src/backends/ClWorkloads/CMakeLists.txt
@@ -54,6 +54,8 @@ list(APPEND armnnClBackend_sources
     ClMultiplicationFloatWorkload.hpp
     ClNormalizationFloatWorkload.cpp
     ClNormalizationFloatWorkload.hpp
+    ClPadWorkload.cpp
+    ClPadWorkload.hpp
     ClPermuteWorkload.cpp
     ClPermuteWorkload.hpp
     ClPooling2dBaseWorkload.cpp
diff --git a/src/backends/ClWorkloads/ClPadWorkload.cpp b/src/backends/ClWorkloads/ClPadWorkload.cpp
new file mode 100644
index 0000000000..45a9d0dc44
--- /dev/null
+++ b/src/backends/ClWorkloads/ClPadWorkload.cpp
@@ -0,0 +1,62 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClPadWorkload.hpp"
+
+#include "backends/ClTensorHandle.hpp"
+#include "backends/aclCommon/ArmComputeTensorUtils.hpp"
+#include "ClWorkloadUtils.hpp"
+#include <arm_compute/core/Types.h>
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+template <armnn::DataType... T>
+ClPadWorkload<T...>::ClPadWorkload(const PadQueueDescriptor& descriptor, const WorkloadInfo& info)
+: TypedWorkload<PadQueueDescriptor, T...>(descriptor, info)
+{
+    this->m_Data.ValidateInputsOutputs("ClPadWorkload", 1, 1);
+
+    arm_compute::ICLTensor& input = static_cast<IClTensorHandle*>(this->m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(this->m_Data.m_Outputs[0])->GetTensor();
+    arm_compute::PaddingList padList = static_cast<arm_compute::PaddingList>(descriptor.m_Parameters.m_PadList);
+
+    m_Layer.configure(&input, &output, padList);
+}
+
+template <armnn::DataType... T>
+void ClPadWorkload<T...>::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClPadWorkload_Execute");
+    m_Layer.run();
+}
+
+bool ClPadValidate(const TensorInfo& input,
+                   const TensorInfo& output,
+                   const PadDescriptor& descriptor,
+                   std::string* reasonIfUnsupported)
+{
+    const arm_compute::TensorInfo aclInputInfo = BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclOutputInfo = BuildArmComputeTensorInfo(output);
+    arm_compute::PaddingList padList = static_cast<arm_compute::PaddingList>(descriptor.m_PadList);
+
+    const arm_compute::Status aclStatus = arm_compute::CLPadLayer::validate(&aclInputInfo,
+                                                                            &aclOutputInfo,
+                                                                            padList);
+
+    const bool supported = (aclStatus.error_code() == arm_compute::ErrorCode::OK);
+    if (!supported && reasonIfUnsupported)
+    {
+        *reasonIfUnsupported = aclStatus.error_description();
+    }
+
+    return supported;
+}
+
+} // namespace armnn
+
+template class armnn::ClPadWorkload<armnn::DataType::Float16, armnn::DataType::Float32>;
+template class armnn::ClPadWorkload<armnn::DataType::QuantisedAsymm8>;
diff --git a/src/backends/ClWorkloads/ClPadWorkload.hpp b/src/backends/ClWorkloads/ClPadWorkload.hpp
new file mode 100644
index 0000000000..0ec560d545
--- /dev/null
+++ b/src/backends/ClWorkloads/ClPadWorkload.hpp
@@ -0,0 +1,32 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "backends/WorkloadData.hpp"
+#include "backends/Workload.hpp"
+#include <arm_compute/runtime/CL/functions/CLPadLayer.h>
+
+namespace armnn {
+
+template <armnn::DataType... dataTypes>
+class ClPadWorkload : public TypedWorkload<PadQueueDescriptor, dataTypes...>
+{
+public:
+    ClPadWorkload(const PadQueueDescriptor& descriptor, const WorkloadInfo& info);
+
+    void Execute() const override;
+
+private:
+    mutable arm_compute::CLPadLayer m_Layer;
+};
+
+bool ClPadValidate(const TensorInfo& input,
+                   const TensorInfo& output,
+                   const PadDescriptor& descriptor,
+                   std::string* reasonIfUnsupported);
+
+} //namespace armnn
+
diff --git a/src/backends/ClWorkloads/backend.mk b/src/backends/ClWorkloads/backend.mk
index 9a20961287..9ac5004f64 100644
--- a/src/backends/ClWorkloads/backend.mk
+++ b/src/backends/ClWorkloads/backend.mk
@@ -33,6 +33,7 @@ BACKEND_SOURCES := \
         ClMergerUint8Workload.cpp \
         ClMultiplicationFloatWorkload.cpp \
         ClNormalizationFloatWorkload.cpp \
+        ClPadWorkload.cpp \
         ClPermuteWorkload.cpp \
         ClPooling2dBaseWorkload.cpp \
         ClPooling2dFloatWorkload.cpp \