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/NEHOGGradient.h"
25
26 #include "arm_compute/core/Validate.h"
27 #include "arm_compute/runtime/NEON/NEScheduler.h"
28 #include "src/core/NEON/kernels/NEDerivativeKernel.h"
29 #include "src/core/NEON/kernels/NEFillBorderKernel.h"
30 #include "src/core/NEON/kernels/NEMagnitudePhaseKernel.h"
31 #include "support/MemorySupport.h"
32
33 namespace arm_compute
34 {
35 NEHOGGradient::~NEHOGGradient() = default;
36
NEHOGGradient(std::shared_ptr<IMemoryManager> memory_manager)37 NEHOGGradient::NEHOGGradient(std::shared_ptr<IMemoryManager> memory_manager) // NOLINT
38 : _memory_group(std::move(memory_manager)),
39 _derivative(),
40 _mag_phase(nullptr),
41 _gx(),
42 _gy()
43 {
44 }
45
configure(ITensor * input,ITensor * output_magnitude,ITensor * output_phase,PhaseType phase_type,BorderMode border_mode,uint8_t constant_border_value)46 void NEHOGGradient::configure(ITensor *input, ITensor *output_magnitude, ITensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value)
47 {
48 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
49 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_magnitude, 1, DataType::S16);
50 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_phase, 1, DataType::U8);
51
52 const TensorShape &shape_img = input->info()->tensor_shape();
53
54 // Allocate image memory
55 TensorInfo info(shape_img, Format::S16);
56 _gx.allocator()->init(info);
57 _gy.allocator()->init(info);
58
59 // Manage intermediate buffers
60 _memory_group.manage(&_gx);
61 _memory_group.manage(&_gy);
62
63 // Initialise derivate kernel
64 _derivative.configure(input, &_gx, &_gy, border_mode, constant_border_value);
65
66 // Initialise magnitude/phase kernel
67 if(PhaseType::UNSIGNED == phase_type)
68 {
69 auto k = arm_compute::support::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::UNSIGNED>>();
70 k->configure(&_gx, &_gy, output_magnitude, output_phase);
71 _mag_phase = std::move(k);
72 }
73 else
74 {
75 auto k = arm_compute::support::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::SIGNED>>();
76 k->configure(&_gx, &_gy, output_magnitude, output_phase);
77 _mag_phase = std::move(k);
78 }
79
80 // Allocate intermediate tensors
81 _gx.allocator()->allocate();
82 _gy.allocator()->allocate();
83 }
84
run()85 void NEHOGGradient::run()
86 {
87 MemoryGroupResourceScope scope_mg(_memory_group);
88
89 // Run derivative
90 _derivative.run();
91
92 // Run magnitude/phase kernel
93 NEScheduler::get().schedule(_mag_phase.get(), Window::DimY);
94 }
95 } // namespace arm_compute
96