Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/runtime/Lut.h" |
| 25 | |
| 26 | #include <cstring> |
| 27 | |
| 28 | using namespace arm_compute; |
| 29 | |
| 30 | Lut::Lut() |
| 31 | : _allocator() |
| 32 | { |
| 33 | } |
| 34 | |
| 35 | Lut::Lut(size_t num_elements, DataType data_type) |
| 36 | : _allocator() |
| 37 | { |
| 38 | _allocator.init(num_elements, data_type); |
| 39 | } |
| 40 | |
| 41 | size_t Lut::num_elements() const |
| 42 | { |
| 43 | return _allocator.num_elements(); |
| 44 | } |
| 45 | |
| 46 | uint32_t Lut::index_offset() const |
| 47 | { |
| 48 | return (DataType::S16 == _allocator.type()) ? num_elements() / 2 : 0; |
| 49 | } |
| 50 | |
| 51 | size_t Lut::size_in_bytes() const |
| 52 | { |
| 53 | return _allocator.size(); |
| 54 | } |
| 55 | |
| 56 | DataType Lut::type() const |
| 57 | { |
| 58 | return _allocator.type(); |
| 59 | } |
| 60 | |
| 61 | uint8_t *Lut::buffer() const |
| 62 | { |
| 63 | return _allocator.data(); |
| 64 | } |
| 65 | |
| 66 | void Lut::clear() |
| 67 | { |
| 68 | ARM_COMPUTE_ERROR_ON(this->buffer() == nullptr); |
| 69 | std::memset(this->buffer(), 0, this->size_in_bytes()); |
| 70 | } |
| 71 | |
| 72 | ILutAllocator *Lut::allocator() |
| 73 | { |
| 74 | return &_allocator; |
| 75 | } |