1 /*
2 * Copyright (c) 2018-2021 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 "src/cpu/kernels/crop/generic/neon/impl.h"
25 #include "arm_compute/core/Helpers.h"
26 #include "arm_compute/core/TensorInfo.h"
27 #include "src/core/NEON/wrapper/wrapper.h"
28 #include "src/core/common/Registrars.h"
29 #include "src/cpu/kernels/crop/generic/neon/crop_helper.h"
30
31 namespace arm_compute
32 {
33 namespace cpu
34 {
35 template <typename T>
in_bounds_crop_window(const ITensor * input,const ITensor * output,float * output_ptr,Coordinates input_offset,int32_t window_step_x,int32_t output_width_start,int32_t output_width_limit,bool input_has_single_channel,bool is_width_flipped)36 void in_bounds_crop_window(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
37 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
38 {
39 // Reverse elements if width flipped.
40 if(is_width_flipped)
41 {
42 // Collapse first dimension if possible.
43 if(input_has_single_channel)
44 {
45 int32_t x = output_width_start;
46 Coordinates negative_offset(input_offset);
47 negative_offset.set(1, negative_offset[1] - window_step_x + 1);
48 for(; x <= output_width_limit - window_step_x; x += window_step_x, negative_offset[1] -= window_step_x)
49 {
50 auto in = load_as_f32(reinterpret_cast<T *>(input->ptr_to_element(negative_offset)));
51
52 in = wrapper::vrev64(in);
53 in = wrapper::vcombine(wrapper::vgethigh(in), wrapper::vgetlow(in));
54
55 wrapper::vstore(output_ptr + x, in);
56 }
57 input_offset[1] = negative_offset[1] + window_step_x - 1;
58 for(; x < output_width_limit; ++x, --input_offset[1])
59 {
60 *(output_ptr + x) = static_cast<float>(*reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
61 }
62 }
63 else
64 {
65 for(int32_t x = output_width_start; x < output_width_limit; ++x, --input_offset[1])
66 {
67 input_offset.set(0, 0);
68 int32_t c = 0;
69 for(; c <= static_cast<int32_t>(input->info()->dimension(0)) - window_step_x; c += window_step_x, input_offset[0] += window_step_x)
70 {
71 auto in = load_as_f32(reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
72 wrapper::vstore(output_ptr + x * output->info()->dimension(0) + c, in);
73 }
74 for(; c < static_cast<int32_t>(input->info()->dimension(0)); ++c, ++input_offset[0])
75 {
76 *(output_ptr + x * output->info()->dimension(0) + c) = static_cast<float>(*reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
77 }
78 }
79 }
80 }
81 else
82 {
83 // Use memcpy if the elements don't need converting to float.
84 if(std::is_same<T, float>::value)
85 {
86 memcpy(static_cast<void *>(output_ptr + output_width_start * output->info()->dimension(0)),
87 reinterpret_cast<const void *>(input->ptr_to_element(input_offset)),
88 (output_width_limit - output_width_start) * output->info()->dimension(0) * output->info()->element_size());
89 }
90 else
91 {
92 int32_t x = 0;
93 int32_t limit = (output_width_limit - output_width_start) * static_cast<int32_t>(output->info()->dimension(0));
94 float *output_start_ptr = output_ptr + output_width_start * output->info()->dimension(0);
95 for(; x <= limit - window_step_x; x += window_step_x, input_offset[0] += window_step_x)
96 {
97 auto in = load_as_f32(reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
98 wrapper::vstore(output_start_ptr + x, in);
99 }
100 for(; x < limit; ++x, ++input_offset[0])
101 {
102 *(output_start_ptr + x) = static_cast<float>(*reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
103 }
104 }
105 }
106 }
107
108 #if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS)
109 template void in_bounds_crop_window<float16_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
110 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
111 #endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */
112 template void in_bounds_crop_window<float32_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
113 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
114 template void in_bounds_crop_window<uint8_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
115 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
116 template void in_bounds_crop_window<uint16_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
117 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
118 template void in_bounds_crop_window<uint32_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
119 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
120 template void in_bounds_crop_window<int8_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
121 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
122 template void in_bounds_crop_window<int16_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
123 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
124 template void in_bounds_crop_window<int32_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
125 int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
126 }
127 } // namespace arm_compute
128