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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "OffsetMemoryPool.hpp"
#include <boost/assert.hpp>
#include <algorithm>
namespace armnn
{
OffsetMemoryPool::OffsetMemoryPool(arm_compute::IAllocator* allocator, size_t blobSize)
: m_Allocator(allocator)
, m_Blob()
, m_BlobSize(blobSize)
, m_MemoryAllocated(false)
{
AllocatePool();
}
OffsetMemoryPool::~OffsetMemoryPool()
{
ReleasePool();
}
void OffsetMemoryPool::acquire(arm_compute::MemoryMappings& handles)
{
BOOST_ASSERT(m_Blob);
// Set memory to handlers
for(auto& handle : handles)
{
BOOST_ASSERT(handle.first);
*handle.first = reinterpret_cast<uint8_t*>(m_Blob) + handle.second;
}
}
void OffsetMemoryPool::release(arm_compute::MemoryMappings &handles)
{
for(auto& handle : handles)
{
BOOST_ASSERT(handle.first);
*handle.first = nullptr;
}
}
arm_compute::MappingType OffsetMemoryPool::mapping_type() const
{
return arm_compute::MappingType::OFFSETS;
}
std::unique_ptr<arm_compute::IMemoryPool> OffsetMemoryPool::duplicate()
{
BOOST_ASSERT(m_Allocator);
return std::make_unique<OffsetMemoryPool>(m_Allocator, m_BlobSize);
}
void OffsetMemoryPool::AllocatePool()
{
if (!m_MemoryAllocated)
{
BOOST_ASSERT(m_Allocator);
m_Blob = m_Allocator->allocate(m_BlobSize, 0);
m_MemoryAllocated = true;
}
}
void OffsetMemoryPool::ReleasePool()
{
if (m_MemoryAllocated)
{
BOOST_ASSERT(m_Allocator);
m_Allocator->free(m_Blob);
m_Blob = nullptr;
m_MemoryAllocated = false;
}
}
} // namespace armnn
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