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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once

#include <armnnUtils/Half.hpp>

#include <backends/aclCommon/ArmComputeTensorUtils.hpp>
#include <backends/cl/OpenClTimer.hpp>
#include <backends/CpuTensorHandle.hpp>

#include <arm_compute/runtime/CL/CLFunctions.h>

#include <sstream>

#define ARMNN_SCOPED_PROFILING_EVENT_CL(name) \
    ARMNN_SCOPED_PROFILING_EVENT_WITH_INSTRUMENTS(armnn::Compute::GpuAcc, \
                                                  name, \
                                                  armnn::OpenClTimer(), \
                                                  armnn::WallClockTimer())

namespace armnn
{

template <typename T>
void CopyArmComputeClTensorData(arm_compute::CLTensor& dstTensor, const T* srcData)
{
    {
        ARMNN_SCOPED_PROFILING_EVENT_CL("MapClTensorForWriting");
        dstTensor.map(true);
    }

    {
        ARMNN_SCOPED_PROFILING_EVENT_CL("CopyToClTensor");
        armcomputetensorutils::CopyArmComputeITensorData<T>(srcData, dstTensor);
    }

    dstTensor.unmap();
}

inline void InitializeArmComputeClTensorData(arm_compute::CLTensor& clTensor,
                                             const ConstCpuTensorHandle* handle)
{
    BOOST_ASSERT(handle);

    armcomputetensorutils::InitialiseArmComputeTensorEmpty(clTensor);
    switch(handle->GetTensorInfo().GetDataType())
    {
        case DataType::Float16:
            CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<armnn::Half>());
            break;
        case DataType::Float32:
            CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<float>());
            break;
        case DataType::QuantisedAsymm8:
            CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<uint8_t>());
            break;
        case DataType::Signed32:
            CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<int32_t>());
            break;
        default:
            BOOST_ASSERT_MSG(false, "Unexpected tensor type.");
    }
};

inline RuntimeException WrapClError(const cl::Error& clError, const CheckLocation& location)
{
    std::stringstream message;
    message << "CL error: " << clError.what() << ". Error code: " << clError.err();

    return RuntimeException(message.str(), location);
}

inline void RunClFunction(arm_compute::IFunction& function, const CheckLocation& location)
{
    try
    {
        function.run();
    }
    catch (cl::Error& error)
    {
        throw WrapClError(error, location);
    }
}

} //namespace armnn