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/CL/CLLut.h"
25
26 #include "arm_compute/runtime/CL/CLScheduler.h"
27
28 #include <cstring>
29
30 using namespace arm_compute;
31
CLLut()32 CLLut::CLLut()
33 : _allocator()
34 {
35 }
36
CLLut(size_t num_elements,DataType data_type)37 CLLut::CLLut(size_t num_elements, DataType data_type)
38 : _allocator()
39 {
40 _allocator.init(num_elements, data_type);
41 }
42
num_elements() const43 size_t CLLut::num_elements() const
44 {
45 return _allocator.num_elements();
46 }
47
index_offset() const48 uint32_t CLLut::index_offset() const
49 {
50 return (DataType::S16 == _allocator.type()) ? num_elements() / 2 : 0;
51 }
52
size_in_bytes() const53 size_t CLLut::size_in_bytes() const
54 {
55 return _allocator.size();
56 }
57
type() const58 DataType CLLut::type() const
59 {
60 return _allocator.type();
61 }
62
cl_buffer() const63 const cl::Buffer &CLLut::cl_buffer() const
64 {
65 return _allocator.cl_data();
66 }
67
clear()68 void CLLut::clear()
69 {
70 cl::CommandQueue &q = CLScheduler::get().queue();
71 uint8_t *data = _allocator.map(q, true /* blocking */);
72 std::memset(data, 0, size_in_bytes());
73 _allocator.unmap(q, data);
74 }
75
allocator()76 ILutAllocator *CLLut::allocator()
77 {
78 return &_allocator;
79 }
80
map(bool blocking)81 void CLLut::map(bool blocking)
82 {
83 ICLLut::map(CLScheduler::get().queue(), blocking);
84 }
85
unmap()86 void CLLut::unmap()
87 {
88 ICLLut::unmap(CLScheduler::get().queue());
89 }
90
do_map(cl::CommandQueue & q,bool blocking)91 uint8_t *CLLut::do_map(cl::CommandQueue &q, bool blocking)
92 {
93 return _allocator.map(q, blocking);
94 }
95
do_unmap(cl::CommandQueue & q)96 void CLLut::do_unmap(cl::CommandQueue &q)
97 {
98 _allocator.unmap(q, buffer());
99 }
100