| /* |
| * Copyright (c) 2017-2020 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include <algorithm> |
| |
| #include "arm_compute/runtime/OffsetMemoryPool.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/runtime/IAllocator.h" |
| #include "arm_compute/runtime/IMemoryPool.h" |
| #include "arm_compute/runtime/MemoryRegion.h" |
| #include "arm_compute/runtime/Types.h" |
| |
| namespace arm_compute |
| { |
| OffsetMemoryPool::OffsetMemoryPool(IAllocator *allocator, BlobInfo blob_info) |
| : _allocator(allocator), _blob(), _blob_info(blob_info) |
| { |
| ARM_COMPUTE_ERROR_ON(!allocator); |
| _blob = _allocator->make_region(blob_info.size, blob_info.alignment); |
| } |
| |
| const BlobInfo &OffsetMemoryPool::info() const |
| { |
| return _blob_info; |
| } |
| |
| void OffsetMemoryPool::acquire(MemoryMappings &handles) |
| { |
| ARM_COMPUTE_ERROR_ON(_blob == nullptr); |
| |
| // Set memory to handlers |
| for(auto &handle : handles) |
| { |
| ARM_COMPUTE_ERROR_ON(handle.first == nullptr); |
| handle.first->set_owned_region(_blob->extract_subregion(handle.second, _blob_info.size - handle.second)); |
| } |
| } |
| |
| void OffsetMemoryPool::release(MemoryMappings &handles) |
| { |
| for(auto &handle : handles) |
| { |
| ARM_COMPUTE_ERROR_ON(handle.first == nullptr); |
| handle.first->set_region(nullptr); |
| } |
| } |
| |
| MappingType OffsetMemoryPool::mapping_type() const |
| { |
| return MappingType::OFFSETS; |
| } |
| |
| std::unique_ptr<IMemoryPool> OffsetMemoryPool::duplicate() |
| { |
| ARM_COMPUTE_ERROR_ON(!_allocator); |
| return std::make_unique<OffsetMemoryPool>(_allocator, _blob_info); |
| } |
| } // namespace arm_compute |