1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
|
/*
* Copyright (c) 2016-2021, 2023 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_PIXELVALUE_H
#define ARM_COMPUTE_PIXELVALUE_H
#include "arm_compute/core/QuantizationInfo.h"
#include "arm_compute/core/Types.h"
#include <cstdint>
namespace arm_compute
{
/** Class describing the value of a pixel for any image format. */
class PixelValue
{
public:
/** Default constructor: value initialized to 0 */
PixelValue() noexcept : value{int64_t(0)}
{
}
/** Initialize the union with a pixel value of chosen datatype
*
* @param[in] v value.
* @param[in] datatype DataType that @p v have to be stored
* @param[in] qinfo (Optional) QuantizationInfo to apply in case of quantized data types to @p v
*/
PixelValue(double v, DataType datatype, QuantizationInfo qinfo = QuantizationInfo()) : PixelValue()
{
switch (datatype)
{
case DataType::U8:
value.u8 = static_cast<uint8_t>(v);
break;
case DataType::S8:
value.s8 = static_cast<int8_t>(v);
break;
case DataType::QASYMM8:
value.u8 = quantize_qasymm8(static_cast<float>(v), qinfo);
break;
case DataType::QASYMM8_SIGNED:
value.s8 = quantize_qasymm8_signed(static_cast<float>(v), qinfo);
break;
case DataType::QSYMM8:
value.s8 = quantize_qsymm8(static_cast<float>(v), qinfo);
break;
case DataType::U16:
value.u16 = static_cast<uint16_t>(v);
break;
case DataType::S16:
value.s16 = static_cast<int16_t>(v);
break;
case DataType::QASYMM16:
value.u16 = quantize_qasymm16(static_cast<float>(v), qinfo);
break;
case DataType::QSYMM16:
value.s16 = quantize_qsymm16(static_cast<float>(v), qinfo);
break;
case DataType::U32:
value.u32 = static_cast<uint32_t>(v);
break;
case DataType::S32:
value.s32 = static_cast<int32_t>(v);
break;
case DataType::U64:
value.u64 = static_cast<uint64_t>(v);
break;
case DataType::S64:
value.s64 = static_cast<int64_t>(v);
break;
case DataType::BFLOAT16:
value.bf16 = static_cast<bfloat16>(v);
break;
case DataType::F16:
value.f16 = static_cast<half>(v);
break;
case DataType::F32:
value.f32 = static_cast<float>(v);
break;
case DataType::F64:
default:
value.f64 = v;
break;
}
}
/** Initialize the union with a S8 pixel value
*
* @param[in] v S8 value.
*/
PixelValue(int8_t v) : PixelValue()
{
value.s8 = v;
}
/** Initialize the union with a U8 pixel value
*
* @param[in] v U8 value.
*/
PixelValue(uint8_t v) : PixelValue()
{
value.u8 = v;
}
/** Initialize the union with a U16 pixel value
*
* @param[in] v U16 value.
*/
PixelValue(uint16_t v) : PixelValue()
{
value.u16 = v;
}
/** Initialize the union with a S16 pixel value
*
* @param[in] v S16 value.
*/
PixelValue(int16_t v) : PixelValue()
{
value.s16 = v;
}
/** Initialize the union with a U32 pixel value
*
* @param[in] v U32 value.
*/
PixelValue(uint32_t v) : PixelValue()
{
value.u32 = v;
}
/** Initialize the union with a S32 pixel value
*
* @param[in] v S32 value.
*/
PixelValue(int32_t v) : PixelValue()
{
value.s32 = v;
}
/** Initialize the union with a U64 pixel value
*
* @param[in] v U64 value.
*/
PixelValue(uint64_t v) : PixelValue()
{
value.u64 = v;
}
/** Initialize the union with a S64 pixel value
*
* @param[in] v S64 value.
*/
PixelValue(int64_t v) : PixelValue()
{
value.s64 = v;
}
/** Initialize the union with a BFLOAT16 pixel value
*
* @param[in] v F16 value.
*/
PixelValue(bfloat16 v) : PixelValue()
{
value.bf16 = v;
}
/** Initialize the union with a F16 pixel value
*
* @param[in] v F16 value.
*/
PixelValue(half v) : PixelValue()
{
value.f16 = v;
}
/** Initialize the union with a F32 pixel value
*
* @param[in] v F32 value.
*/
PixelValue(float v) : PixelValue()
{
value.f32 = v;
}
/** Initialize the union with a F64 pixel value
*
* @param[in] v F64 value.
*/
PixelValue(double v) : PixelValue()
{
value.f64 = v;
}
/** Union which describes the value of a pixel for any image format.
* Use the field corresponding to the image format
*/
union
{
uint64_t u64; /**< Single channel U64 */
int64_t s64; /**< Single channel S64 */
uint8_t rgb[3]; /**< 3 channels: RGB888 */
uint8_t yuv[3]; /**< 3 channels: Any YUV format */
uint8_t rgbx[4]; /**< 4 channels: RGBX8888 */
double f64; /**< Single channel double */
float f32; /**< Single channel float 32 */
half f16; /**< Single channel F16 */
bfloat16 bf16; /**< Single channel brain floating-point number */
uint8_t u8; /**< Single channel U8 */
int8_t s8; /**< Single channel S8 */
uint16_t u16; /**< Single channel U16 */
int16_t s16; /**< Single channel S16 */
uint32_t u32; /**< Single channel U32 */
int32_t s32; /**< Single channel S32 */
} value;
/** Interpret the pixel value as a U8
*
* @param[out] v Returned value
*/
void get(uint8_t &v) const
{
v = value.u8;
}
/** Interpret the pixel value as a S8
*
* @param[out] v Returned value
*/
void get(int8_t &v) const
{
v = value.s8;
}
/** Interpret the pixel value as a U16
*
* @param[out] v Returned value
*/
void get(uint16_t &v) const
{
v = value.u16;
}
/** Interpret the pixel value as a S16
*
* @param[out] v Returned value
*/
void get(int16_t &v) const
{
v = value.s16;
}
/** Interpret the pixel value as a U32
*
* @param[out] v Returned value
*/
void get(uint32_t &v) const
{
v = value.u32;
}
/** Interpret the pixel value as a S32
*
* @param[out] v Returned value
*/
void get(int32_t &v) const
{
v = value.s32;
}
/** Interpret the pixel value as a U64
*
* @param[out] v Returned value
*/
void get(uint64_t &v) const
{
v = value.u64;
}
/** Interpret the pixel value as a S64
*
* @param[out] v Returned value
*/
void get(int64_t &v) const
{
v = value.s64;
}
/** Interpret the pixel value as a BFLOAT16
*
* @param[out] v Returned value
*/
void get(bfloat16 &v) const
{
v = value.bf16;
}
/** Interpret the pixel value as a F16
*
* @param[out] v Returned value
*/
void get(half &v) const
{
v = value.f16;
}
/** Interpret the pixel value as a F32
*
* @param[out] v Returned value
*/
void get(float &v) const
{
v = value.f32;
}
/** Interpret the pixel value as a double
*
* @param[out] v Returned value
*/
void get(double &v) const
{
v = value.f64;
}
/** Get the pixel value
*
* @return Pixel value
*/
template <typename T>
T get() const
{
T val;
get(val);
return val;
}
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_PIXELVALUE_H */
|
