1 /*
2 * Copyright (c) 2016-2020 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/NEON/functions/NESobel5x5.h"
25
26 #include "arm_compute/core/ITensor.h"
27 #include "arm_compute/core/PixelValue.h"
28 #include "arm_compute/core/TensorInfo.h"
29 #include "arm_compute/core/Validate.h"
30 #include "arm_compute/runtime/NEON/NEScheduler.h"
31 #include "arm_compute/runtime/TensorAllocator.h"
32 #include "src/core/NEON/kernels/NEFillBorderKernel.h"
33 #include "src/core/NEON/kernels/NESobel5x5Kernel.h"
34 #include "support/MemorySupport.h"
35
36 namespace arm_compute
37 {
38 NESobel5x5::~NESobel5x5() = default;
39
NESobel5x5(std::shared_ptr<IMemoryManager> memory_manager)40 NESobel5x5::NESobel5x5(std::shared_ptr<IMemoryManager> memory_manager)
41 : _memory_group(std::move(memory_manager)), _sobel_hor(), _sobel_vert(), _tmp_x(), _tmp_y(), _border_handler()
42 {
43 }
44
configure(ITensor * input,ITensor * output_x,ITensor * output_y,BorderMode border_mode,uint8_t constant_border_value)45 void NESobel5x5::configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value)
46 {
47 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
48
49 const bool run_sobel_x = output_x != nullptr;
50 const bool run_sobel_y = output_y != nullptr;
51
52 TensorInfo tensor_info(input->info()->tensor_shape(), Format::S16);
53
54 _sobel_hor = arm_compute::support::cpp14::make_unique<NESobel5x5HorKernel>();
55 _sobel_vert = arm_compute::support::cpp14::make_unique<NESobel5x5VertKernel>();
56 _border_handler = arm_compute::support::cpp14::make_unique<NEFillBorderKernel>();
57
58 if(run_sobel_x && run_sobel_y)
59 {
60 _tmp_x.allocator()->init(tensor_info);
61 _tmp_y.allocator()->init(tensor_info);
62 _memory_group.manage(&_tmp_x);
63 _memory_group.manage(&_tmp_y);
64 _sobel_hor->configure(input, &_tmp_x, &_tmp_y, border_mode == BorderMode::UNDEFINED);
65 _sobel_vert->configure(&_tmp_x, &_tmp_y, output_x, output_y, border_mode == BorderMode::UNDEFINED);
66 _tmp_x.allocator()->allocate();
67 _tmp_y.allocator()->allocate();
68 }
69 else if(run_sobel_x)
70 {
71 _tmp_x.allocator()->init(tensor_info);
72 _memory_group.manage(&_tmp_x);
73 _sobel_hor->configure(input, &_tmp_x, nullptr, border_mode == BorderMode::UNDEFINED);
74 _sobel_vert->configure(&_tmp_x, nullptr, output_x, nullptr, border_mode == BorderMode::UNDEFINED);
75 _tmp_x.allocator()->allocate();
76 }
77 else if(run_sobel_y)
78 {
79 _tmp_y.allocator()->init(tensor_info);
80 _memory_group.manage(&_tmp_y);
81 _sobel_hor->configure(input, nullptr, &_tmp_y, border_mode == BorderMode::UNDEFINED);
82 _sobel_vert->configure(nullptr, &_tmp_y, nullptr, output_y, border_mode == BorderMode::UNDEFINED);
83 _tmp_y.allocator()->allocate();
84 }
85
86 _border_handler->configure(input, _sobel_hor->border_size(), border_mode, PixelValue(constant_border_value));
87 }
88
run()89 void NESobel5x5::run()
90 {
91 NEScheduler::get().schedule(_border_handler.get(), Window::DimZ);
92
93 MemoryGroupResourceScope scope_mg(_memory_group);
94
95 NEScheduler::get().schedule(_sobel_hor.get(), Window::DimY);
96 NEScheduler::get().schedule(_sobel_vert.get(), Window::DimY);
97 }
98 } // namespace arm_compute
99