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/CL/functions/CLSobel5x5.h"
25
26 #include "arm_compute/core/CL/ICLTensor.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/CL/CLScheduler.h"
31 #include "arm_compute/runtime/ITensorAllocator.h"
32 #include "src/core/CL/kernels/CLFillBorderKernel.h"
33 #include "src/core/CL/kernels/CLSobel5x5Kernel.h"
34 #include "support/MemorySupport.h"
35
36 using namespace arm_compute;
37
CLSobel5x5(std::shared_ptr<IMemoryManager> memory_manager)38 CLSobel5x5::CLSobel5x5(std::shared_ptr<IMemoryManager> memory_manager)
39 : _memory_group(std::move(memory_manager)),
40 _sobel_hor(support::cpp14::make_unique<CLSobel5x5HorKernel>()),
41 _sobel_vert(support::cpp14::make_unique<CLSobel5x5VertKernel>()),
42 _border_handler(support::cpp14::make_unique<CLFillBorderKernel>()),
43 _tmp_x(),
44 _tmp_y()
45 {
46 }
47
48 CLSobel5x5::~CLSobel5x5() = default;
49
configure(ICLTensor * input,ICLTensor * output_x,ICLTensor * output_y,BorderMode border_mode,uint8_t constant_border_value)50 void CLSobel5x5::configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value)
51 {
52 configure(CLKernelLibrary::get().get_compile_context(), input, output_x, output_y, border_mode, constant_border_value);
53 }
54
configure(const CLCompileContext & compile_context,ICLTensor * input,ICLTensor * output_x,ICLTensor * output_y,BorderMode border_mode,uint8_t constant_border_value)55 void CLSobel5x5::configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value)
56 {
57 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
58
59 const bool run_sobel_x = output_x != nullptr;
60 const bool run_sobel_y = output_y != nullptr;
61
62 TensorInfo tensor_info(input->info()->tensor_shape(), 1, DataType::S16);
63
64 if(run_sobel_x && run_sobel_y)
65 {
66 _tmp_x.allocator()->init(tensor_info);
67 _tmp_y.allocator()->init(tensor_info);
68 _memory_group.manage(&_tmp_x);
69 _memory_group.manage(&_tmp_y);
70 _sobel_hor->configure(compile_context, input, &_tmp_x, &_tmp_y, border_mode == BorderMode::UNDEFINED);
71 _sobel_vert->configure(compile_context, &_tmp_x, &_tmp_y, output_x, output_y, border_mode == BorderMode::UNDEFINED);
72 _tmp_x.allocator()->allocate();
73 _tmp_y.allocator()->allocate();
74 }
75 else if(run_sobel_x)
76 {
77 _tmp_x.allocator()->init(tensor_info);
78 _memory_group.manage(&_tmp_x);
79 _sobel_hor->configure(compile_context, input, &_tmp_x, nullptr, border_mode == BorderMode::UNDEFINED);
80 _sobel_vert->configure(compile_context, &_tmp_x, nullptr, output_x, nullptr, border_mode == BorderMode::UNDEFINED);
81 _tmp_x.allocator()->allocate();
82 }
83 else if(run_sobel_y)
84 {
85 _tmp_y.allocator()->init(tensor_info);
86 _memory_group.manage(&_tmp_y);
87 _sobel_hor->configure(compile_context, input, nullptr, &_tmp_y, border_mode == BorderMode::UNDEFINED);
88 _sobel_vert->configure(compile_context, nullptr, &_tmp_y, nullptr, output_y, border_mode == BorderMode::UNDEFINED);
89 _tmp_y.allocator()->allocate();
90 }
91 _border_handler->configure(compile_context, input, _sobel_hor->border_size(), border_mode, PixelValue(constant_border_value));
92 }
93
run()94 void CLSobel5x5::run()
95 {
96 CLScheduler::get().enqueue(*_border_handler, false);
97
98 MemoryGroupResourceScope scope_mg(_memory_group);
99
100 CLScheduler::get().enqueue(*_sobel_hor, false);
101 CLScheduler::get().enqueue(*_sobel_vert);
102 }
103