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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <backends/OutputHandler.hpp>
#include <backends/aclCommon/ArmComputeTensorUtils.hpp>
#include <arm_compute/runtime/CL/CLTensor.h>
#include <arm_compute/runtime/CL/CLSubTensor.h>
#include <arm_compute/runtime/CL/CLMemoryGroup.h>
#include <arm_compute/runtime/IMemoryGroup.h>
#include <arm_compute/core/TensorShape.h>
#include <arm_compute/core/Coordinates.h>
#include <boost/polymorphic_pointer_cast.hpp>
namespace armnn
{
class IClTensorHandle : public ITensorHandle
{
public:
virtual arm_compute::ICLTensor& GetTensor() = 0;
virtual arm_compute::ICLTensor const& GetTensor() const = 0;
virtual arm_compute::DataType GetDataType() const = 0;
virtual void SetMemoryGroup(const std::shared_ptr<arm_compute::IMemoryGroup>& memoryGroup) = 0;
};
class ClTensorHandle : public IClTensorHandle
{
public:
ClTensorHandle(const TensorInfo& tensorInfo)
{
armnn::armcomputetensorutils::BuildArmComputeTensor(m_Tensor, tensorInfo);
}
ClTensorHandle(const TensorInfo& tensorInfo, DataLayout dataLayout)
{
armnn::armcomputetensorutils::BuildArmComputeTensor(m_Tensor, tensorInfo, dataLayout);
}
arm_compute::CLTensor& GetTensor() override { return m_Tensor; }
arm_compute::CLTensor const& GetTensor() const override { return m_Tensor; }
virtual void Allocate() override {armnn::armcomputetensorutils::InitialiseArmComputeTensorEmpty(m_Tensor);}
virtual void Manage() override
{
assert(m_MemoryGroup != nullptr);
m_MemoryGroup->manage(&m_Tensor);
}
virtual const void* Map(bool blocking = true) const override
{
const_cast<arm_compute::CLTensor*>(&m_Tensor)->map(blocking);
return static_cast<const void*>(m_Tensor.buffer() + m_Tensor.info()->offset_first_element_in_bytes());
}
virtual void Unmap() const override { const_cast<arm_compute::CLTensor*>(&m_Tensor)->unmap(); }
virtual ITensorHandle::Type GetType() const override { return ITensorHandle::CL; }
virtual ITensorHandle* GetParent() const override { return nullptr; }
virtual arm_compute::DataType GetDataType() const override
{
return m_Tensor.info()->data_type();
}
virtual void SetMemoryGroup(const std::shared_ptr<arm_compute::IMemoryGroup>& memoryGroup) override
{
m_MemoryGroup = boost::polymorphic_pointer_downcast<arm_compute::CLMemoryGroup>(memoryGroup);
}
TensorShape GetStrides() const override
{
return armcomputetensorutils::GetStrides(m_Tensor.info()->strides_in_bytes());
}
TensorShape GetShape() const override
{
return armcomputetensorutils::GetShape(m_Tensor.info()->tensor_shape());
}
private:
arm_compute::CLTensor m_Tensor;
std::shared_ptr<arm_compute::CLMemoryGroup> m_MemoryGroup;
};
class ClSubTensorHandle : public IClTensorHandle
{
public:
ClSubTensorHandle(IClTensorHandle* parent,
const arm_compute::TensorShape& shape,
const arm_compute::Coordinates& coords)
: m_Tensor(&parent->GetTensor(), shape, coords)
{
parentHandle = parent;
}
arm_compute::CLSubTensor& GetTensor() override { return m_Tensor; }
arm_compute::CLSubTensor const& GetTensor() const override { return m_Tensor; }
virtual void Allocate() override {}
virtual void Manage() override {}
virtual const void* Map(bool blocking = true) const override
{
const_cast<arm_compute::CLSubTensor*>(&m_Tensor)->map(blocking);
return static_cast<const void*>(m_Tensor.buffer() + m_Tensor.info()->offset_first_element_in_bytes());
}
virtual void Unmap() const override { const_cast<arm_compute::CLSubTensor*>(&m_Tensor)->unmap(); }
virtual ITensorHandle::Type GetType() const override { return ITensorHandle::CL; }
virtual ITensorHandle* GetParent() const override { return parentHandle; }
virtual arm_compute::DataType GetDataType() const override
{
return m_Tensor.info()->data_type();
}
virtual void SetMemoryGroup(const std::shared_ptr<arm_compute::IMemoryGroup>&) override {}
TensorShape GetStrides() const override
{
return armcomputetensorutils::GetStrides(m_Tensor.info()->strides_in_bytes());
}
TensorShape GetShape() const override
{
return armcomputetensorutils::GetShape(m_Tensor.info()->tensor_shape());
}
private:
mutable arm_compute::CLSubTensor m_Tensor;
ITensorHandle* parentHandle = nullptr;
};
}
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