KleidiCV Coverage Report

Directory: ./
File: kleidicv/include/kleidicv/transform/remap.h
Date: 2025-09-25 14:13:34
Exec Total Coverage
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1 // SPDX-FileCopyrightText: 2024 - 2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
2 //
3 // SPDX-License-Identifier: Apache-2.0
4
5 #ifndef KLEIDICV_REMAP_REMAP_H
6 #define KLEIDICV_REMAP_REMAP_H
7
8 #include <limits>
9 #include <type_traits>
10
11 #include "kleidicv/ctypes.h"
12
13 namespace kleidicv {
14
15 template <typename T>
16 1158 inline bool remap_s16_is_implemented(size_t src_stride, size_t src_width,
17 size_t src_height, size_t dst_width,
18 kleidicv_border_type_t border_type,
19 size_t channels) KLEIDICV_STREAMING {
20 if constexpr (std::is_same<T, uint8_t>::value ||
21 std::is_same<T, uint16_t>::value) {
22
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 2310 return (src_stride / sizeof(T) <= std::numeric_limits<uint16_t>::max() &&
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 1152 dst_width >= 8 &&
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 1134 src_width <= std::numeric_limits<int16_t>::max() + 1 &&
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 1128 src_height <= std::numeric_limits<int16_t>::max() + 1 &&
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 1122 (border_type == KLEIDICV_BORDER_TYPE_REPLICATE ||
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 558 border_type == KLEIDICV_BORDER_TYPE_CONSTANT) &&
28 1110 channels == 1);
29 } else {
30 return false;
31 }
32 }
33
34 template <typename T>
35 2262 inline bool remap_s16point5_is_implemented(size_t src_stride, size_t src_width,
36 size_t src_height, size_t dst_width,
37 kleidicv_border_type_t border_type,
38 size_t channels) KLEIDICV_STREAMING {
39 if constexpr (std::is_same<T, uint8_t>::value ||
40 std::is_same<T, uint16_t>::value) {
41 6774 return (src_stride / sizeof(T) <=
42
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 4524 (std::numeric_limits<uint16_t>::max() / channels) &&
43
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 2250 dst_width >= 8 &&
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 2232 src_width <= std::numeric_limits<int16_t>::max() + 1 &&
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 2226 src_height <= std::numeric_limits<int16_t>::max() + 1 &&
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 2220 (border_type == KLEIDICV_BORDER_TYPE_REPLICATE ||
47
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 1104 border_type == KLEIDICV_BORDER_TYPE_CONSTANT) &&
48
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 2208 (channels == 1 || channels == 4));
49 } else {
50 return false;
51 }
52 }
53
54 template <typename T>
55 2424 inline bool remap_f32_is_implemented(
56 size_t src_stride, size_t src_width, size_t src_height, size_t dst_width,
57 size_t dst_height, kleidicv_border_type_t border_type, size_t channels,
58 kleidicv_interpolation_type_t interpolation) KLEIDICV_STREAMING {
59 if constexpr (std::is_same<T, uint8_t>::value ||
60 std::is_same<T, uint16_t>::value) {
61
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 4842 return (src_stride <= std::numeric_limits<uint32_t>::max() &&
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 2418 dst_width >= 4 && src_width < (1ULL << 24) &&
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 2400 src_height < (1ULL << 24) && dst_width < (1ULL << 24) &&
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 2382 dst_height < (1ULL << 24) && src_width > 0 && src_height > 0 &&
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 2370 (border_type == KLEIDICV_BORDER_TYPE_REPLICATE ||
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 1182 border_type == KLEIDICV_BORDER_TYPE_CONSTANT) &&
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 2352 (channels == 1 || channels == 2) &&
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 2352 (interpolation == KLEIDICV_INTERPOLATION_LINEAR ||
69 132 interpolation == KLEIDICV_INTERPOLATION_NEAREST));
70 } else {
71 return false;
72 }
73 }
74
75 // Constants for Remap16Point5
76 static const uint16_t REMAP16POINT5_FRAC_BITS = 5;
77 static const uint16_t REMAP16POINT5_FRAC_MAX = 1 << REMAP16POINT5_FRAC_BITS;
78 static const uint16_t REMAP16POINT5_FRAC_MAX_SQUARE =
79 REMAP16POINT5_FRAC_MAX * REMAP16POINT5_FRAC_MAX;
80
81 namespace neon {
82
83 template <typename T>
84 kleidicv_error_t remap_s16(const T *src, size_t src_stride, size_t src_width,
85 size_t src_height, T *dst, size_t dst_stride,
86 size_t dst_width, size_t dst_height, size_t channels,
87 const int16_t *mapxy, size_t mapxy_stride,
88 kleidicv_border_type_t border_type,
89 const T *border_value);
90
91 template <typename T>
92 kleidicv_error_t remap_s16point5(const T *src, size_t src_stride,
93 size_t src_width, size_t src_height, T *dst,
94 size_t dst_stride, size_t dst_width,
95 size_t dst_height, size_t channels,
96 const int16_t *mapxy, size_t mapxy_stride,
97 const uint16_t *mapfrac, size_t mapfrac_stride,
98 kleidicv_border_type_t border_type,
99 const T *border_value);
100
101 template <typename T>
102 kleidicv_error_t remap_f32(const T *src, size_t src_stride, size_t src_width,
103 size_t src_height, T *dst, size_t dst_stride,
104 size_t dst_width, size_t dst_height, size_t channels,
105 const float *mapx, size_t mapx_stride,
106 const float *mapy, size_t mapy_stride,
107 kleidicv_interpolation_type_t interpolation,
108 kleidicv_border_type_t border_type,
109 const T *border_value);
110
111 } // namespace neon
112
113 namespace sve2 {
114
115 template <typename T>
116 kleidicv_error_t remap_s16(const T *src, size_t src_stride, size_t src_width,
117 size_t src_height, T *dst, size_t dst_stride,
118 size_t dst_width, size_t dst_height, size_t channels,
119 const int16_t *mapxy, size_t mapxy_stride,
120 kleidicv_border_type_t border_type,
121 const T *border_value);
122
123 template <typename T>
124 kleidicv_error_t remap_s16point5(const T *src, size_t src_stride,
125 size_t src_width, size_t src_height, T *dst,
126 size_t dst_stride, size_t dst_width,
127 size_t dst_height, size_t channels,
128 const int16_t *mapxy, size_t mapxy_stride,
129 const uint16_t *mapfrac, size_t mapfrac_stride,
130 kleidicv_border_type_t border_type,
131 const T *border_value);
132
133 template <typename T>
134 kleidicv_error_t remap_f32(const T *src, size_t src_stride, size_t src_width,
135 size_t src_height, T *dst, size_t dst_stride,
136 size_t dst_width, size_t dst_height, size_t channels,
137 const float *mapx, size_t mapx_stride,
138 const float *mapy, size_t mapy_stride,
139 kleidicv_interpolation_type_t interpolation,
140 kleidicv_border_type_t border_type,
141 const T *border_value);
142 } // namespace sve2
143
144 } // namespace kleidicv
145
146 #endif // KLEIDICV_REMAP_REMAP_H
147