1 // SPDX-License-Identifier: Apache-2.0
2 // ----------------------------------------------------------------------------
3 // Copyright 2011-2022 Arm Limited
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
6 // use this file except in compliance with the License. You may obtain a copy
7 // of the License at:
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 // License for the specific language governing permissions and limitations
15 // under the License.
16 // ----------------------------------------------------------------------------
17
18 /**
19 * @brief Percentile data tables for different block encodings.
20 *
21 * To reduce binary size the tables are stored using a packed differential encoding.
22 */
23
24 #include "astcenc_internal.h"
25
26 #if !defined(ASTCENC_DECOMPRESS_ONLY)
27 /**
28 * @brief Structure containing packed percentile metadata.
29 *
30 * Note that percentile tables do not exist for 3D textures, so no zdim is stored.
31 */
32 struct packed_percentile_table
33 {
34 /** The block X dimension. */
35 uint8_t xdim;
36
37 /** The block Y dimension. */
38 uint8_t ydim;
39
40 /** The number of packed items in the 1 and 2 plane data. */
41 uint16_t item_count[2];
42
43 /** The accumulator divisor for 1 and 2 plane data. */
44 uint16_t difscales[2];
45
46 /** The initial accumulator values for 1 and 2 plane data. */
47 uint16_t initial_percs[2];
48
49 /** The packed data for the 1 and 2 plane data. */
50 const uint16_t *items[2];
51 };
52
53 #if ASTCENC_BLOCK_MAX_TEXELS >= (4 * 4)
54 static const uint16_t percentile_arr_4x4_0[61] {
55 0x0242, 0x7243, 0x6A51, 0x6A52, 0x5A41, 0x4A53, 0x8851, 0x3842,
56 0x3852, 0x3853, 0x3043, 0xFA33, 0x1BDF, 0x2022, 0x1032, 0x29CE,
57 0x21DE, 0x2823, 0x0813, 0x0A13, 0x0A31, 0x0A23, 0x09CF, 0x0833,
58 0x0A32, 0x01DF, 0x0BDD, 0x0BCF, 0x0221, 0x095F, 0x0A01, 0x0BDE,
59 0x0BCD, 0x0A22, 0x09AF, 0x0B5F, 0x0B4D, 0x0BCE, 0x0BBF, 0x0A11,
60 0x01BF, 0x0202, 0x0B5D, 0x1203, 0x034E, 0x0B8E, 0x035E, 0x0212,
61 0x032E, 0x0B4F, 0x03AF, 0x03AD, 0x03BD, 0x0BBE, 0x03AE, 0x039F,
62 0x039E, 0x033E, 0x033F, 0x038F, 0x032F
63 };
64
65 static const uint16_t percentile_arr_4x4_1[84] {
66 0x0452, 0xFFAE, 0x2433, 0x1DDF, 0x17CD, 0x1E21, 0x1C43, 0x1442,
67 0x3FBE, 0x1FDD, 0x0E31, 0x0F4F, 0x1423, 0x0FBD, 0x1451, 0x0E03,
68 0x05CF, 0x0C32, 0x0DDE, 0x27AD, 0x274E, 0x0E02, 0x0F5E, 0x07AF,
69 0x0F5F, 0x0DCE, 0x0C41, 0x0422, 0x0613, 0x0E12, 0x0611, 0x0F3F,
70 0x0601, 0x0DBF, 0x05DD, 0x075D, 0x0C02, 0x054E, 0x0431, 0x0413,
71 0x079F, 0x05BE, 0x0F4D, 0x0403, 0x05AF, 0x055F, 0x05AE, 0x054F,
72 0x0421, 0x05BD, 0x0DCD, 0x0411, 0x0412, 0x055E, 0x055D, 0x073D,
73 0x058E, 0x072F, 0x072D, 0x079D, 0x0D2E, 0x0453, 0x078D, 0x053E,
74 0x053F, 0x059E, 0x052F, 0x058F, 0x072E, 0x078F, 0x059F, 0x078E,
75 0x071F, 0x073E, 0x051F, 0x070D, 0x079E, 0x070E, 0x071D, 0x0622,
76 0x070F, 0x071E, 0x07BF, 0x07CE
77 };
78
79 static const packed_percentile_table block_pcd_4x4 {
80 4, 4,
81 { 61, 84 },
82 { 184, 141 },
83 { 0, 53 },
84 { percentile_arr_4x4_0, percentile_arr_4x4_1 }
85 };
86 #endif
87
88 #if ASTCENC_BLOCK_MAX_TEXELS >= (5 * 4)
89 static const uint16_t percentile_arr_5x4_0[91] {
90 0x02C1, 0xFAD1, 0xE8D3, 0xDAC2, 0xA8D2, 0x70D1, 0x50C2, 0x80C3,
91 0xD2C3, 0x4AA2, 0x2AD2, 0x2242, 0x2251, 0x42A3, 0x1A43, 0x4A52,
92 0x32B3, 0x2A41, 0x1042, 0x1851, 0x5892, 0x10A2, 0x2253, 0x10B2,
93 0x10B3, 0x13DF, 0x3083, 0x08B1, 0x1043, 0x12B1, 0x0AB2, 0x1A93,
94 0x1852, 0x1A33, 0x09CE, 0x08A3, 0x1022, 0x1283, 0x0853, 0x1AA1,
95 0x1093, 0x11DE, 0x135F, 0x1832, 0x195F, 0x0A81, 0x11CF, 0x0A31,
96 0x09DF, 0x0B4D, 0x09AF, 0x03CF, 0x0813, 0x03DD, 0x0A92, 0x0A82,
97 0x03CD, 0x0023, 0x0BDE, 0x0BBF, 0x1232, 0x0221, 0x0291, 0x0A23,
98 0x0833, 0x035D, 0x0BCE, 0x01BF, 0x0222, 0x134E, 0x0213, 0x0A01,
99 0x0B4F, 0x0B5E, 0x038E, 0x032E, 0x03AF, 0x0A11, 0x03AD, 0x0203,
100 0x0202, 0x0BBD, 0x033E, 0x03AE, 0x03BE, 0x0212, 0x033F, 0x039E,
101 0x039F, 0x032F, 0x038F
102 };
103
104 static const uint16_t percentile_arr_5x4_1[104] {
105 0x0433, 0xB621, 0x5452, 0x4443, 0x7FAE, 0xFCA3, 0x7CC2, 0x24B2,
106 0x45DF, 0x44B3, 0x7631, 0x27CD, 0x1CD1, 0x1E03, 0x4FBE, 0x774F,
107 0x1C42, 0x7691, 0x24A2, 0x2681, 0x3C23, 0x3C93, 0x0FBD, 0x1C32,
108 0x1E82, 0x1E12, 0x0F4E, 0x1602, 0x0FAD, 0x0C51, 0x1FDD, 0x0E13,
109 0x0DCF, 0x175E, 0x0C22, 0x175F, 0x15DE, 0x0CB1, 0x17AF, 0x1CC1,
110 0x1F3F, 0x1483, 0x0441, 0x0C91, 0x04D2, 0x0DCE, 0x154E, 0x079F,
111 0x0CA1, 0x0F5D, 0x0431, 0x15DD, 0x05BF, 0x0C92, 0x0611, 0x0C82,
112 0x0402, 0x074D, 0x0DBD, 0x055E, 0x05BE, 0x0DCD, 0x0421, 0x05AF,
113 0x0403, 0x0D4F, 0x055F, 0x05AE, 0x0413, 0x0E01, 0x055D, 0x073D,
114 0x0C12, 0x0692, 0x0411, 0x072D, 0x078D, 0x079D, 0x058E, 0x0D2E,
115 0x0453, 0x072F, 0x059E, 0x052F, 0x071F, 0x053F, 0x053E, 0x078F,
116 0x058F, 0x051F, 0x0F2E, 0x059F, 0x078E, 0x073E, 0x071D, 0x070D,
117 0x070E, 0x079E, 0x0622, 0x0683, 0x070F, 0x071E, 0x07BF, 0x07CE
118 };
119
120 static const packed_percentile_table block_pcd_5x4 {
121 5, 4,
122 { 91, 104 },
123 { 322, 464 },
124 { 0, 202 },
125 { percentile_arr_5x4_0, percentile_arr_5x4_1 }
126 };
127 #endif
128
129 #if ASTCENC_BLOCK_MAX_TEXELS >= (5 * 5)
130 static const uint16_t percentile_arr_5x5_0[129] {
131 0x00F3, 0xF8F2, 0x70E3, 0x62E1, 0x60E1, 0x4AC1, 0x3261, 0x38D3,
132 0x3271, 0x5AF1, 0x5873, 0x2AD1, 0x28E2, 0x28F1, 0x2262, 0x9AC2,
133 0x18D2, 0x1072, 0x1071, 0x22A2, 0x2062, 0x1A51, 0x10C2, 0x0892,
134 0x08D1, 0x1AA3, 0x23EE, 0x08C3, 0x0BEF, 0x2242, 0x0863, 0x0AB3,
135 0x0BFF, 0x0A93, 0x08A2, 0x0A41, 0x1083, 0x0842, 0x10B3, 0x21EE,
136 0x10B2, 0x00B1, 0x1263, 0x12C3, 0x0A83, 0x0851, 0x11FE, 0x0253,
137 0x09FD, 0x0A72, 0x09FF, 0x1AB2, 0x0BDF, 0x0A33, 0x0243, 0x0B7F,
138 0x0AB1, 0x12D2, 0x0252, 0x096F, 0x00A3, 0x0893, 0x0822, 0x0843,
139 0x097E, 0x097F, 0x01EF, 0x09CE, 0x03FE, 0x0A81, 0x036F, 0x0052,
140 0x13FD, 0x0AA1, 0x1853, 0x036D, 0x0A92, 0x0832, 0x01DE, 0x0A82,
141 0x0BED, 0x0231, 0x0BBF, 0x03DD, 0x0B6E, 0x01AF, 0x0813, 0x0023,
142 0x0A91, 0x015F, 0x037E, 0x01CF, 0x0232, 0x0BCD, 0x0221, 0x0BDE,
143 0x0213, 0x035F, 0x0B7D, 0x0223, 0x01BF, 0x0BCF, 0x01DF, 0x0033,
144 0x0222, 0x03CE, 0x0A01, 0x03AF, 0x034D, 0x0B8E, 0x032E, 0x0203,
145 0x0211, 0x0202, 0x0B5D, 0x03AD, 0x034E, 0x03AE, 0x034F, 0x033F,
146 0x039F, 0x03BD, 0x03BE, 0x035E, 0x0212, 0x033E, 0x039E, 0x032F,
147 0x038F
148 };
149
150 static const uint16_t percentile_arr_5x5_1[126] {
151 0x0443, 0x6452, 0xFE21, 0x27AE, 0x2433, 0x1FCD, 0x25DF, 0x6CC2,
152 0x2C62, 0x1F4F, 0x4C42, 0x1FBE, 0x0DEF, 0x34A3, 0x0E03, 0x54B2,
153 0x1F7D, 0x17DD, 0x0DFF, 0x0CD1, 0x0E31, 0x0C71, 0x1CF1, 0x15FE,
154 0x1691, 0x1681, 0x24B3, 0x174E, 0x0F6E, 0x0493, 0x175E, 0x1C51,
155 0x17BD, 0x076D, 0x2CA2, 0x05EE, 0x1472, 0x2423, 0x0DCF, 0x0432,
156 0x15DE, 0x0612, 0x0CD2, 0x0682, 0x0F5F, 0x07AD, 0x0602, 0x0CE1,
157 0x0C91, 0x0FAF, 0x073F, 0x0E13, 0x0D7F, 0x0DCE, 0x0422, 0x0D7D,
158 0x0441, 0x05FD, 0x0CB1, 0x0C83, 0x04C1, 0x0461, 0x0F9F, 0x0DDD,
159 0x056E, 0x0C92, 0x0482, 0x0431, 0x05ED, 0x0D6F, 0x075D, 0x0402,
160 0x057E, 0x0DBF, 0x04A1, 0x054E, 0x0F4D, 0x0403, 0x05CD, 0x0453,
161 0x05AE, 0x0421, 0x0F1F, 0x05BE, 0x0601, 0x0611, 0x05BD, 0x05AF,
162 0x078D, 0x072D, 0x073D, 0x055E, 0x0F9D, 0x0411, 0x0413, 0x0412,
163 0x055F, 0x077E, 0x055D, 0x052E, 0x054F, 0x053E, 0x058E, 0x078F,
164 0x059E, 0x071D, 0x0E92, 0x053F, 0x059F, 0x051F, 0x072F, 0x052F,
165 0x070D, 0x079E, 0x058F, 0x072E, 0x070E, 0x078E, 0x070F, 0x073E,
166 0x0622, 0x0683, 0x071E, 0x076F, 0x07BF, 0x07CE
167 };
168
169 static const packed_percentile_table block_pcd_5x5 {
170 5, 5,
171 { 129, 126 },
172 { 258, 291 },
173 { 0, 116 },
174 { percentile_arr_5x5_0, percentile_arr_5x5_1 }
175 };
176 #endif
177
178 #if ASTCENC_BLOCK_MAX_TEXELS >= (6 * 5)
179 static const uint16_t percentile_arr_6x5_0[165] {
180 0x0163, 0xF8F3, 0x9962, 0x8972, 0x7961, 0x7173, 0x6953, 0x5943,
181 0x4B41, 0x3AE1, 0x38E3, 0x6971, 0x32C1, 0x28D3, 0x2A61, 0xC8F2,
182 0x2271, 0x4873, 0x5B21, 0x3AD1, 0x1B13, 0x1952, 0x1B51, 0x12F1,
183 0x1A62, 0x1322, 0x1951, 0x10E2, 0x1B31, 0x20F1, 0x2102, 0x2072,
184 0x10D2, 0x1142, 0x2912, 0x3871, 0x2BEE, 0x0862, 0x1123, 0x0AC2,
185 0x12A2, 0x0A51, 0x1922, 0x0941, 0x1BEF, 0x0B42, 0x08D1, 0x13FF,
186 0x1933, 0x08C3, 0x08C2, 0x1131, 0x08E1, 0x2903, 0x0863, 0x0B32,
187 0x1132, 0x1AC3, 0x0A42, 0x1A41, 0x0042, 0x21EE, 0x09FF, 0x03DF,
188 0x0AA3, 0x11FE, 0x02B3, 0x0B11, 0x10B3, 0x0B03, 0x11FD, 0x0913,
189 0x0A53, 0x037F, 0x1263, 0x0051, 0x0A33, 0x0B01, 0x016F, 0x0A72,
190 0x1312, 0x08A2, 0x10B1, 0x0BFE, 0x11EF, 0x0B02, 0x0A52, 0x0043,
191 0x0822, 0x01CE, 0x0A43, 0x097F, 0x036F, 0x08B2, 0x03FD, 0x0A83,
192 0x0B33, 0x0AB1, 0x017E, 0x0B23, 0x0852, 0x02D2, 0x0BBF, 0x0BDD,
193 0x03ED, 0x0AB2, 0x02A1, 0x0853, 0x036D, 0x0892, 0x0032, 0x0A31,
194 0x0083, 0x09DE, 0x0A93, 0x08A3, 0x1213, 0x0BDE, 0x03CD, 0x036E,
195 0x037E, 0x0A21, 0x0023, 0x0BCF, 0x01CF, 0x0013, 0x01AF, 0x0A92,
196 0x0232, 0x035F, 0x0093, 0x0B7D, 0x015F, 0x0282, 0x01BF, 0x09DF,
197 0x03CE, 0x0223, 0x0833, 0x0222, 0x03AF, 0x0A01, 0x0291, 0x0B4D,
198 0x032E, 0x038E, 0x0203, 0x0281, 0x035D, 0x03AD, 0x0B9F, 0x0202,
199 0x034F, 0x03BE, 0x0211, 0x03AE, 0x03BD, 0x0212, 0x034E, 0x033F,
200 0x033E, 0x035E, 0x039E, 0x032F, 0x038F
201 };
202
203 static const uint16_t percentile_arr_6x5_1[145] {
204 0x0443, 0xEFAE, 0x2CC2, 0x2E21, 0x2C52, 0x7C33, 0x47CD, 0x25DF,
205 0x3CA3, 0xFFBE, 0x2551, 0x24B3, 0x474F, 0x1513, 0x2691, 0x1603,
206 0x1462, 0x1D32, 0x14B2, 0x5442, 0x2CD2, 0x35EF, 0x0CD1, 0x3D22,
207 0x17BD, 0x0FDD, 0x0DFF, 0x2631, 0x177D, 0x0CF1, 0x1E81, 0x0E82,
208 0x1DFE, 0x0F5E, 0x0701, 0x2CA2, 0x1D03, 0x0F4E, 0x1471, 0x0C51,
209 0x1F6E, 0x2FAF, 0x0561, 0x0C72, 0x176D, 0x0FAD, 0x0DEE, 0x05CF,
210 0x0E13, 0x0F5F, 0x0E12, 0x0C23, 0x1E02, 0x1D12, 0x0CB1, 0x0C32,
211 0x0C93, 0x15DE, 0x0F9F, 0x0F3F, 0x0D41, 0x0C41, 0x0CC1, 0x0D31,
212 0x0C22, 0x05FD, 0x057F, 0x0D01, 0x0461, 0x04E1, 0x0D7D, 0x05CE,
213 0x0502, 0x0C31, 0x05ED, 0x05DD, 0x0511, 0x0F11, 0x0491, 0x0D6F,
214 0x0521, 0x056E, 0x0C83, 0x0D23, 0x04A1, 0x0C02, 0x075D, 0x05BF,
215 0x0C21, 0x079D, 0x0482, 0x05BD, 0x0DBE, 0x05CD, 0x054E, 0x057E,
216 0x0DAE, 0x074D, 0x078D, 0x0542, 0x0492, 0x05AF, 0x0611, 0x0F3D,
217 0x0601, 0x071F, 0x055E, 0x059E, 0x0571, 0x054F, 0x0412, 0x0453,
218 0x058E, 0x0413, 0x0D3E, 0x077E, 0x072D, 0x052E, 0x059F, 0x055D,
219 0x072F, 0x0403, 0x0411, 0x058F, 0x055F, 0x0692, 0x078E, 0x053F,
220 0x0D2F, 0x078F, 0x070D, 0x071D, 0x051F, 0x072E, 0x079E, 0x070E,
221 0x070F, 0x073E, 0x0622, 0x0683, 0x0702, 0x071E, 0x076F, 0x07BF,
222 0x07CE
223 };
224
225 static const packed_percentile_table block_pcd_6x5 {
226 6, 5,
227 { 165, 145 },
228 { 388, 405 },
229 { 0, 156 },
230 { percentile_arr_6x5_0, percentile_arr_6x5_1 }
231 };
232 #endif
233
234 #if ASTCENC_BLOCK_MAX_TEXELS >= (6 * 6)
235 static const uint16_t percentile_arr_6x6_0[206] {
236 0x006F, 0xF908, 0xF104, 0xE918, 0xE963, 0xD114, 0xB0F3, 0xA07E,
237 0x7972, 0x705F, 0x687F, 0x6162, 0x5953, 0x586E, 0x610C, 0x524D,
238 0x5973, 0x9943, 0x98E3, 0x904F, 0x8341, 0x7AC1, 0x3A61, 0x70D3,
239 0xA073, 0x6AE1, 0x30F2, 0x3313, 0x2B21, 0x9A2E, 0x4322, 0x225D,
240 0x2331, 0x2271, 0x22D1, 0x1A2D, 0x221F, 0x22F1, 0x1971, 0x6952,
241 0x1951, 0x187D, 0x18F1, 0x1902, 0x185E, 0x1B51, 0x105D, 0x1A3D,
242 0x30E2, 0x10D2, 0x1961, 0x12A2, 0x6072, 0x3942, 0x386D, 0x33EE,
243 0x104E, 0x4923, 0x101E, 0x2122, 0x1251, 0x1141, 0x182F, 0x3133,
244 0x080E, 0x1262, 0x123E, 0x1B32, 0x102E, 0x1931, 0x10D1, 0x1912,
245 0x0871, 0x12C2, 0x08C2, 0x1103, 0x0B03, 0x1062, 0x083D, 0x08E1,
246 0x1132, 0x184D, 0x0863, 0x08C3, 0x303F, 0x083E, 0x10B3, 0x12A3,
247 0x0BEF, 0x0B11, 0x1A42, 0x2233, 0x13FF, 0x080F, 0x0A41, 0x0AC3,
248 0x0842, 0x1A63, 0x0BDF, 0x09FF, 0x12B3, 0x124E, 0x0B12, 0x0B42,
249 0x0A2F, 0x1253, 0x0913, 0x1051, 0x0B01, 0x120F, 0x0B02, 0x08A2,
250 0x0BBF, 0x00B1, 0x22B1, 0x01EE, 0x1B33, 0x0B23, 0x0283, 0x13FD,
251 0x0AB2, 0x11FD, 0x09FE, 0x0A43, 0x08B2, 0x0A1D, 0x0A52, 0x023F,
252 0x101F, 0x01CE, 0x0A31, 0x0BDD, 0x0293, 0x1822, 0x12A1, 0x03FE,
253 0x121E, 0x0843, 0x0272, 0x0B6F, 0x0052, 0x0A0D, 0x0BED, 0x12D2,
254 0x1B7F, 0x1053, 0x0032, 0x01DE, 0x08A3, 0x020E, 0x0883, 0x09EF,
255 0x0892, 0x0A21, 0x03CD, 0x0B5F, 0x0213, 0x0A32, 0x016F, 0x1292,
256 0x03DE, 0x017E, 0x0BAF, 0x0223, 0x1093, 0x0BCF, 0x037E, 0x01DF,
257 0x09CF, 0x015F, 0x09AF, 0x0023, 0x01BF, 0x0222, 0x0282, 0x03CE,
258 0x1013, 0x036E, 0x097F, 0x0033, 0x0A01, 0x0B6D, 0x03BE, 0x037D,
259 0x0281, 0x0BAE, 0x0203, 0x032E, 0x034D, 0x034F, 0x0291, 0x0211,
260 0x038E, 0x03BD, 0x039E, 0x0BAD, 0x033E, 0x034E, 0x039F, 0x0202,
261 0x035D, 0x0212, 0x033F, 0x035E, 0x038F, 0x032F
262 };
263
264 static const uint16_t percentile_arr_6x6_1[164] {
265 0x07AE, 0x8443, 0x7E21, 0x77CD, 0x6C62, 0x9433, 0x6452, 0x34C2,
266 0x5DDF, 0xC7BE, 0x25EF, 0x24A3, 0x3CF1, 0xFDFF, 0x177D, 0x1F4F,
267 0xC551, 0x5CB3, 0x1532, 0x1513, 0x143E, 0x245D, 0x14B2, 0x2472,
268 0x14D2, 0x1FBD, 0x1631, 0x2DFE, 0x1691, 0x17DD, 0x2E03, 0x376E,
269 0x2442, 0x0F6D, 0x3C71, 0x2CD1, 0x2522, 0x6C51, 0x260D, 0x17AF,
270 0x0DEE, 0x1C1F, 0x2F01, 0x142E, 0x0CA2, 0x0FAD, 0x3D03, 0x275E,
271 0x1681, 0x274E, 0x1682, 0x1C23, 0x273F, 0x0F5F, 0x05DE, 0x15FD,
272 0x0DCF, 0x1E02, 0x04B1, 0x144D, 0x0E12, 0x0D12, 0x1CC1, 0x0E13,
273 0x1C6D, 0x0C32, 0x043D, 0x0C61, 0x0F9F, 0x04E1, 0x0DCE, 0x0D41,
274 0x1C93, 0x0C22, 0x061D, 0x0D7F, 0x0C41, 0x0561, 0x0531, 0x0D21,
275 0x0711, 0x0C91, 0x0501, 0x0C1E, 0x040F, 0x15DD, 0x0431, 0x0C2F,
276 0x057D, 0x0C2D, 0x0DBE, 0x040E, 0x0D02, 0x0D11, 0x054E, 0x040D,
277 0x0D23, 0x0DBF, 0x04A1, 0x05ED, 0x0C1D, 0x05BD, 0x072D, 0x056E,
278 0x0483, 0x0F3D, 0x0482, 0x078D, 0x0F5D, 0x0453, 0x0D9E, 0x0C4E,
279 0x05CD, 0x079D, 0x0402, 0x05AE, 0x0F1F, 0x0542, 0x074D, 0x056F,
280 0x0421, 0x0D4F, 0x0601, 0x0571, 0x0492, 0x059F, 0x053F, 0x05AF,
281 0x0611, 0x055E, 0x0D8E, 0x053E, 0x055D, 0x047D, 0x0411, 0x052E,
282 0x058F, 0x051F, 0x055F, 0x0D7E, 0x072F, 0x052F, 0x0412, 0x078F,
283 0x0403, 0x077E, 0x070D, 0x070E, 0x078E, 0x0F1D, 0x072E, 0x0413,
284 0x070F, 0x0692, 0x079E, 0x060E, 0x0622, 0x0683, 0x0702, 0x071E,
285 0x073E, 0x076F, 0x07BF, 0x07CE
286 };
287
288 static const packed_percentile_table block_pcd_6x6 {
289 6, 6,
290 { 206, 164 },
291 { 769, 644 },
292 { 0, 256 },
293 { percentile_arr_6x6_0, percentile_arr_6x6_1 }
294 };
295 #endif
296
297 #if ASTCENC_BLOCK_MAX_TEXELS >= (8 * 5)
298 static const uint16_t percentile_arr_8x5_0[226] {
299 0x0066, 0xF865, 0xE963, 0xA856, 0xA1F2, 0x9875, 0x91C3, 0x91E2,
300 0x80F3, 0x8076, 0x61E3, 0x6153, 0x5172, 0x59D2, 0x51D3, 0x5047,
301 0xA943, 0x49B3, 0x4846, 0x4962, 0xC037, 0x4173, 0x39F1, 0x7027,
302 0xA2C1, 0x3AE1, 0x9341, 0x30D3, 0x5225, 0x2A61, 0x33C1, 0x28E3,
303 0x53A1, 0x49C2, 0x2A06, 0x4055, 0x2006, 0x21D1, 0x2271, 0x4321,
304 0x3873, 0x18F2, 0x2015, 0x1A15, 0x1857, 0x52D1, 0x3045, 0x4835,
305 0x1952, 0x29E1, 0x3207, 0x1036, 0x1816, 0x2A16, 0x2971, 0x13B1,
306 0x2A17, 0x2351, 0x1025, 0x1826, 0x30E2, 0x1262, 0x20F1, 0x1007,
307 0x1072, 0x1151, 0x10D2, 0x1235, 0x1205, 0x1062, 0x4AF1, 0x1251,
308 0x0B31, 0x1381, 0x13EE, 0x1B92, 0x13EF, 0x0942, 0x1AA2, 0x13FF,
309 0x1161, 0x0B93, 0x19A2, 0x11B1, 0x08D1, 0x12C2, 0x0B13, 0x1B22,
310 0x2123, 0x09A3, 0x2071, 0x1B7F, 0x1817, 0x0A42, 0x10C2, 0x1233,
311 0x08C3, 0x0A41, 0x0B42, 0x09C1, 0x0933, 0x1AB3, 0x1382, 0x1BDF,
312 0x2122, 0x0A53, 0x0AC3, 0x20E1, 0x0941, 0x0931, 0x0042, 0x0BA2,
313 0x0AA3, 0x0992, 0x0863, 0x08B3, 0x11B2, 0x0902, 0x1283, 0x09FF,
314 0x0B83, 0x0982, 0x0932, 0x0BFE, 0x0B32, 0x0BBF, 0x11FE, 0x036F,
315 0x0851, 0x08B1, 0x18A2, 0x11EE, 0x0A52, 0x0BB2, 0x01FD, 0x0A43,
316 0x1A63, 0x1193, 0x0B91, 0x0043, 0x1231, 0x0A26, 0x0AB1, 0x03FD,
317 0x096F, 0x00B2, 0x0983, 0x0A72, 0x01CE, 0x0BDD, 0x0022, 0x0B11,
318 0x1213, 0x0B6D, 0x017E, 0x1333, 0x0112, 0x0852, 0x02D2, 0x097F,
319 0x01EF, 0x0AB2, 0x0293, 0x0853, 0x0BED, 0x0B12, 0x1303, 0x02A1,
320 0x0892, 0x0032, 0x0883, 0x0B6E, 0x0292, 0x0A32, 0x037E, 0x0B23,
321 0x0103, 0x0A21, 0x0B01, 0x0302, 0x0BCD, 0x00A3, 0x0BCF, 0x0BDE,
322 0x0113, 0x01DE, 0x0B5F, 0x0013, 0x0BAF, 0x0223, 0x0222, 0x0A82,
323 0x0833, 0x0023, 0x09CF, 0x037D, 0x01AF, 0x095F, 0x03CE, 0x09DF,
324 0x01BF, 0x0893, 0x0203, 0x0201, 0x0B4D, 0x03BE, 0x032E, 0x03AE,
325 0x0291, 0x0A02, 0x0211, 0x039F, 0x0281, 0x038E, 0x03AD, 0x033F,
326 0x035D, 0x033E, 0x034E, 0x034F, 0x0212, 0x03BD, 0x032F, 0x035E,
327 0x038F, 0x039E
328 };
329
330 static const uint16_t percentile_arr_8x5_1[167] {
331 0x0621, 0xFCC2, 0x3443, 0xA433, 0x5532, 0x2551, 0x6CA3, 0x27AE,
332 0x6452, 0x8E03, 0x3CB3, 0x4DA2, 0x6DDF, 0x37CD, 0x6F01, 0x1691,
333 0x2E82, 0x27BE, 0x1513, 0x34D2, 0x1D22, 0x3E31, 0x2593, 0x2CB2,
334 0x1C16, 0x374F, 0x0DD1, 0x2583, 0x6613, 0x0CD1, 0x0C35, 0x1462,
335 0x3E81, 0x2612, 0x2C42, 0x3407, 0x14A2, 0x0E02, 0x1CF1, 0x0C06,
336 0x17BD, 0x0F7D, 0x1D23, 0x35B1, 0x179F, 0x0D92, 0x0F5E, 0x1451,
337 0x04B1, 0x1F6E, 0x0DEF, 0x0D31, 0x374E, 0x15C1, 0x0541, 0x2405,
338 0x17AD, 0x0471, 0x1472, 0x0DFE, 0x0711, 0x0FDD, 0x0DFF, 0x0432,
339 0x1D82, 0x0423, 0x0F6D, 0x07AF, 0x0F5F, 0x04C1, 0x1542, 0x0561,
340 0x0DCF, 0x1D03, 0x1493, 0x0422, 0x0445, 0x0D12, 0x0C25, 0x0415,
341 0x0DA1, 0x1591, 0x0DEE, 0x05DE, 0x0C31, 0x0491, 0x0441, 0x0D21,
342 0x078D, 0x057D, 0x0C61, 0x0F3F, 0x0581, 0x0D6E, 0x0501, 0x0CA1,
343 0x04E1, 0x0DFD, 0x057F, 0x0502, 0x0511, 0x0C82, 0x0483, 0x0C03,
344 0x079D, 0x0402, 0x0DDD, 0x0611, 0x05AE, 0x0DCE, 0x056F, 0x0421,
345 0x057E, 0x071F, 0x0DBF, 0x05BE, 0x0412, 0x059F, 0x054E, 0x077E,
346 0x0C26, 0x05ED, 0x073D, 0x0601, 0x0492, 0x0453, 0x075D, 0x058E,
347 0x0F2D, 0x05CD, 0x0571, 0x053E, 0x0692, 0x05BD, 0x054F, 0x055E,
348 0x0411, 0x0F1D, 0x074D, 0x059E, 0x05AF, 0x070D, 0x053F, 0x058F,
349 0x0413, 0x070F, 0x055D, 0x070E, 0x078F, 0x052E, 0x072F, 0x055F,
350 0x078E, 0x0F2E, 0x052F, 0x051F, 0x0417, 0x071E, 0x0781, 0x0622,
351 0x0683, 0x0702, 0x073E, 0x076F, 0x079E, 0x07BF, 0x07CE
352 };
353
354 static const packed_percentile_table block_pcd_8x5 {
355 8, 5,
356 { 226, 167 },
357 { 763, 517 },
358 { 0, 178 },
359 { percentile_arr_8x5_0, percentile_arr_8x5_1 }
360 };
361 #endif
362
363 #if ASTCENC_BLOCK_MAX_TEXELS >= (8 * 6)
364 static const uint16_t percentile_arr_8x6_0[273] {
365 0x0154, 0xF944, 0xE066, 0xA128, 0x9963, 0x8118, 0x806F, 0x79F2,
366 0x79E2, 0x7108, 0xD934, 0x6056, 0x69C3, 0x60F3, 0x5972, 0x59E3,
367 0x5075, 0x91B3, 0xC9D2, 0x807E, 0x385F, 0x4153, 0x3943, 0x4162,
368 0x3837, 0x3847, 0x7173, 0x31D3, 0x6948, 0x3046, 0x307F, 0x5827,
369 0x3114, 0x32C1, 0x3076, 0x2A4D, 0x58E3, 0x306E, 0x2924, 0x2A61,
370 0x29F1, 0x50D3, 0x704F, 0x210C, 0x2BA1, 0x2225, 0x2873, 0x4865,
371 0x2206, 0x8341, 0x2006, 0x3B21, 0x18F2, 0x21C2, 0x1A1F, 0x23C1,
372 0x3AE1, 0x1855, 0x19D1, 0x1A15, 0x3815, 0x1207, 0x1835, 0x2A2E,
373 0x1A16, 0x1836, 0x2271, 0x2845, 0x1A2D, 0x11E1, 0x1816, 0x1171,
374 0x2217, 0x1952, 0x12D1, 0x3904, 0x125D, 0x4BB1, 0x207D, 0x10E2,
375 0x1026, 0x2025, 0x12F1, 0x28F1, 0x105D, 0x1235, 0x12A2, 0x1007,
376 0x123D, 0x1A05, 0x1072, 0x1331, 0x101E, 0x0951, 0x10D2, 0x1057,
377 0x1B92, 0x185E, 0x1251, 0x19A2, 0x186D, 0x0B81, 0x2BEE, 0x080E,
378 0x1A33, 0x1942, 0x0B13, 0x0B51, 0x11A3, 0x0923, 0x2322, 0x09B1,
379 0x184E, 0x1161, 0x18D1, 0x0933, 0x0B93, 0x4A62, 0x1017, 0x082F,
380 0x0A42, 0x0B82, 0x0AA3, 0x0A41, 0x08C2, 0x08B3, 0x0A3E, 0x22B3,
381 0x0871, 0x1BBF, 0x09C1, 0x0AC2, 0x09B2, 0x0BEF, 0x082E, 0x1062,
382 0x0922, 0x08C3, 0x1063, 0x0A53, 0x0BDF, 0x080F, 0x0B42, 0x0A83,
383 0x084D, 0x103F, 0x0931, 0x08E1, 0x0A0F, 0x1BA2, 0x09FF, 0x1332,
384 0x03FF, 0x0941, 0x12C3, 0x0A63, 0x003D, 0x0842, 0x083E, 0x0B83,
385 0x0BB2, 0x0A31, 0x0932, 0x1102, 0x0992, 0x0982, 0x1051, 0x08B1,
386 0x0A2F, 0x121E, 0x02B1, 0x0A4E, 0x11EE, 0x00A2, 0x1022, 0x0043,
387 0x0A52, 0x0A1D, 0x0226, 0x1193, 0x03DD, 0x08B2, 0x0BFD, 0x0A43,
388 0x0A13, 0x0AB2, 0x01FD, 0x09FE, 0x020D, 0x081F, 0x0B33, 0x0053,
389 0x0B91, 0x0293, 0x0B11, 0x0B7F, 0x0AA1, 0x0B03, 0x0A0E, 0x03FE,
390 0x01CE, 0x0B6F, 0x0183, 0x0912, 0x023F, 0x0852, 0x0A21, 0x0323,
391 0x03ED, 0x0A32, 0x13AF, 0x0272, 0x08A3, 0x0B12, 0x0083, 0x0832,
392 0x13CD, 0x0223, 0x0A92, 0x0092, 0x0AD2, 0x0301, 0x0302, 0x0BDE,
393 0x0A22, 0x01EF, 0x0B5F, 0x0103, 0x0BCF, 0x096F, 0x017E, 0x0113,
394 0x01DE, 0x0823, 0x0282, 0x0B6E, 0x015F, 0x0813, 0x01AF, 0x01CF,
395 0x0B7E, 0x0033, 0x01DF, 0x0BCE, 0x01BF, 0x036D, 0x0A03, 0x017F,
396 0x03BE, 0x0201, 0x0893, 0x038E, 0x034D, 0x03AE, 0x0202, 0x039F,
397 0x0291, 0x0A11, 0x032E, 0x033F, 0x034F, 0x0281, 0x037D, 0x03BD,
398 0x0212, 0x033E, 0x035E, 0x034E, 0x035D, 0x03AD, 0x032F, 0x038F,
399 0x039E
400 };
401
402 static const uint16_t percentile_arr_8x6_1[186] {
403 0x0621, 0xFC33, 0x37AE, 0x1CC2, 0x2C43, 0xAD32, 0x34A3, 0x4551,
404 0x6452, 0x5C62, 0x1FCD, 0x14F1, 0x4CB3, 0x24D2, 0x15DF, 0x0FBE,
405 0x2603, 0x3DA2, 0x2E31, 0x25D1, 0x25EF, 0x0D22, 0x2E91, 0x1E82,
406 0x0FBD, 0x1513, 0x0CB2, 0x0CD1, 0x0F4F, 0x1F7D, 0x1701, 0x0C16,
407 0x2593, 0x2C42, 0x0C72, 0x14A2, 0x0F6E, 0x0C35, 0x0C71, 0x0D83,
408 0x0C07, 0x1DFF, 0x043E, 0x1613, 0x07DD, 0x0FAD, 0x1451, 0x076D,
409 0x0E81, 0x05FE, 0x0406, 0x0E0D, 0x045D, 0x2612, 0x0E02, 0x07AF,
410 0x0DB1, 0x0F5E, 0x15C1, 0x0C23, 0x1523, 0x0C1F, 0x0D92, 0x04B1,
411 0x0D31, 0x0432, 0x0D61, 0x0F4E, 0x0D41, 0x0DEE, 0x0D42, 0x04C1,
412 0x0CE1, 0x079F, 0x0C2E, 0x0405, 0x0C22, 0x0461, 0x0E1D, 0x0582,
413 0x073F, 0x0571, 0x0C4D, 0x0DFD, 0x05CE, 0x0C6D, 0x05DE, 0x0415,
414 0x0C45, 0x075F, 0x0C41, 0x0D03, 0x05A1, 0x0711, 0x05CF, 0x0425,
415 0x0C93, 0x0D21, 0x0591, 0x043D, 0x0D12, 0x0501, 0x040F, 0x0511,
416 0x0431, 0x0C03, 0x04A1, 0x078D, 0x0581, 0x041E, 0x040D, 0x0C02,
417 0x040E, 0x05DD, 0x057F, 0x079D, 0x042D, 0x0D9F, 0x0502, 0x056E,
418 0x0412, 0x071F, 0x044E, 0x05BF, 0x0C1D, 0x0482, 0x05AE, 0x042F,
419 0x057D, 0x0491, 0x054E, 0x047D, 0x0DBE, 0x0611, 0x0492, 0x0601,
420 0x05BD, 0x05CD, 0x0426, 0x05ED, 0x072D, 0x073D, 0x0483, 0x0F5D,
421 0x0421, 0x056F, 0x053F, 0x058E, 0x054F, 0x078F, 0x053E, 0x059E,
422 0x057E, 0x051F, 0x055D, 0x0413, 0x070D, 0x05AF, 0x0411, 0x0453,
423 0x0D5E, 0x077E, 0x052F, 0x070F, 0x074D, 0x0692, 0x070E, 0x072F,
424 0x072E, 0x058F, 0x071D, 0x052E, 0x0417, 0x073E, 0x0781, 0x078E,
425 0x055F, 0x060E, 0x0622, 0x0683, 0x0702, 0x071E, 0x076F, 0x079E,
426 0x07BF, 0x07CE
427 };
428
429 static const packed_percentile_table block_pcd_8x6 {
430 8, 6,
431 { 273, 186 },
432 { 880, 300 },
433 { 0, 64 },
434 { percentile_arr_8x6_0, percentile_arr_8x6_1 }
435 };
436 #endif
437
438 #if ASTCENC_BLOCK_MAX_TEXELS >= (8 * 8)
439 static const uint16_t percentile_arr_8x8_0[347] {
440 0x0334, 0xFD44, 0xDD14, 0x9154, 0x9B08, 0x906A, 0x8928, 0x8108,
441 0xE866, 0xC918, 0x606F, 0xC0FE, 0x5963, 0x58EE, 0x6534, 0x505A,
442 0x51E2, 0xA8CF, 0x5354, 0x5314, 0x5134, 0x5524, 0x48F3, 0x504B,
443 0x487E, 0x5344, 0x49C3, 0x4972, 0x49F2, 0x4856, 0xD0EF, 0x81D2,
444 0x78DE, 0x4261, 0x3AC1, 0x71E3, 0x6879, 0x390C, 0x3143, 0x31B3,
445 0x385F, 0x3153, 0x306E, 0x3037, 0x30DF, 0x3162, 0x304F, 0x3075,
446 0xB03B, 0x2847, 0x28E3, 0x2914, 0x507F, 0x28BF, 0x5173, 0x5073,
447 0x20D3, 0x2A06, 0x2827, 0x2508, 0x2229, 0x29D3, 0x204A, 0x207A,
448 0x2046, 0x4148, 0x20FD, 0x4225, 0x23A1, 0x3944, 0x2065, 0x1924,
449 0x2324, 0x1806, 0x19F1, 0x2215, 0x1876, 0x22AD, 0x502B, 0x1B04,
450 0x18F2, 0x3A4D, 0x3216, 0x3504, 0x18DD, 0x1B21, 0x10CE, 0x1869,
451 0x1B41, 0x1855, 0x1207, 0x1AE1, 0x2845, 0x19D1, 0x2A0A, 0x1A2D,
452 0x2A1A, 0x11C2, 0x1A0B, 0x1217, 0x2816, 0x121B, 0x1271, 0x2AD1,
453 0x1035, 0x1015, 0x287D, 0x12F1, 0x43C1, 0x1171, 0x1A05, 0x08E2,
454 0x11E1, 0x3251, 0x2049, 0x20F1, 0x12CD, 0x0A39, 0x1219, 0x1059,
455 0x1104, 0x1036, 0x1872, 0x3007, 0x08ED, 0x205E, 0x1026, 0x0952,
456 0x1392, 0x1019, 0x0951, 0x100A, 0x13EE, 0x08D2, 0x1242, 0x0ABD,
457 0x22A2, 0x0BDF, 0x2B81, 0x0A35, 0x13B1, 0x0839, 0x13BF, 0x0A33,
458 0x1B31, 0x205D, 0x1241, 0x183A, 0x2025, 0x0B93, 0x0A3D, 0x1017,
459 0x1313, 0x1253, 0x082A, 0x204E, 0x09A2, 0x080B, 0x0A1F, 0x125D,
460 0x0A2E, 0x081A, 0x08D1, 0x082F, 0x086D, 0x1B82, 0x0A09, 0x0B22,
461 0x1062, 0x11A3, 0x2161, 0x0923, 0x129F, 0x1A62, 0x0871, 0x0942,
462 0x081B, 0x1133, 0x18AE, 0x0A9E, 0x0863, 0x09FF, 0x18C2, 0x0B51,
463 0x08BD, 0x0AA3, 0x09B1, 0x1AC2, 0x08B3, 0x0829, 0x0BEF, 0x0B83,
464 0x0AAE, 0x0A8D, 0x1857, 0x185B, 0x08AF, 0x103F, 0x08C3, 0x09B2,
465 0x0A4E, 0x11C1, 0x0A31, 0x0B42, 0x0A83, 0x0BFF, 0x13DD, 0x00CD,
466 0x0AB3, 0x0842, 0x08BE, 0x0922, 0x1A8E, 0x08E1, 0x002E, 0x0BA2,
467 0x0A8F, 0x2263, 0x0252, 0x0B32, 0x0AC3, 0x0941, 0x0A43, 0x083D,
468 0x083E, 0x0A3E, 0x084D, 0x1131, 0x136F, 0x0AB1, 0x0193, 0x0BFD,
469 0x0391, 0x0851, 0x13AF, 0x0843, 0x0213, 0x1226, 0x0932, 0x03B2,
470 0x0902, 0x0BCD, 0x0221, 0x089E, 0x00B1, 0x0BDE, 0x03FE, 0x02A1,
471 0x0982, 0x009F, 0x080E, 0x0B5F, 0x02BE, 0x0A32, 0x0A2A, 0x01EE,
472 0x0053, 0x0AB2, 0x0192, 0x09FD, 0x0052, 0x0B03, 0x0293, 0x00A2,
473 0x0B7F, 0x0BED, 0x0311, 0x08B2, 0x0A72, 0x088E, 0x0333, 0x0B12,
474 0x0A23, 0x0822, 0x0083, 0x11CE, 0x021D, 0x08A3, 0x088F, 0x029D,
475 0x0A22, 0x0A3F, 0x01FE, 0x020F, 0x0983, 0x02D2, 0x0292, 0x0B23,
476 0x001E, 0x0BCF, 0x03CE, 0x09AF, 0x0B02, 0x0301, 0x022F, 0x137E,
477 0x021E, 0x09EF, 0x016F, 0x0112, 0x097E, 0x080F, 0x020D, 0x0092,
478 0x01DE, 0x09DF, 0x0032, 0x0033, 0x0A82, 0x03BE, 0x0B6E, 0x001F,
479 0x020E, 0x0023, 0x09CF, 0x0113, 0x0103, 0x0013, 0x0BAE, 0x0203,
480 0x0BAD, 0x01BF, 0x034F, 0x095F, 0x036D, 0x0202, 0x017F, 0x0093,
481 0x0201, 0x034D, 0x0212, 0x035D, 0x03BD, 0x0B3F, 0x035E, 0x0211,
482 0x0281, 0x0291, 0x032E, 0x037D, 0x034E, 0x038E, 0x039F, 0x032F,
483 0x033E, 0x038F, 0x039E
484 };
485
486 static const uint16_t percentile_arr_8x8_1[208] {
487 0x0621, 0x3443, 0x47CD, 0x97AE, 0xFC62, 0x14F1, 0x24C2, 0x25DF,
488 0x3C33, 0x1C52, 0x9C72, 0x0FBE, 0x0C5D, 0x343E, 0x24A3, 0x1551,
489 0x5D32, 0x1CD2, 0x15EF, 0x4E31, 0x04DD, 0x1FDD, 0x174F, 0x0DD1,
490 0x3E0D, 0x15FF, 0x0DA2, 0x1E03, 0x17BD, 0x177D, 0x14B3, 0x0471,
491 0x0CAE, 0x1C1F, 0x04D1, 0x0F6E, 0x0DFE, 0x1C42, 0x0C16, 0x0D22,
492 0x0C9F, 0x2C2E, 0x0FAD, 0x0571, 0x147D, 0x0C07, 0x04B2, 0x0F6D,
493 0x0F5E, 0x07AF, 0x146D, 0x0C51, 0x0593, 0x2583, 0x0C4E, 0x040B,
494 0x0C35, 0x0513, 0x0E91, 0x0406, 0x073F, 0x144D, 0x0561, 0x048F,
495 0x0F01, 0x0F4E, 0x0CA2, 0x075F, 0x1682, 0x04E1, 0x0C1A, 0x04BD,
496 0x0542, 0x0D41, 0x0DEE, 0x04CD, 0x0DCF, 0x04B1, 0x0C15, 0x0C3D,
497 0x0423, 0x0592, 0x0DDE, 0x0422, 0x0432, 0x05FD, 0x0DC1, 0x05B1,
498 0x0DCE, 0x0612, 0x0C2F, 0x0445, 0x0602, 0x0531, 0x0439, 0x0E81,
499 0x0582, 0x0C61, 0x061D, 0x049E, 0x0405, 0x0409, 0x0DBE, 0x079F,
500 0x0D21, 0x04C1, 0x0C0A, 0x0E13, 0x04AD, 0x040E, 0x0581, 0x0419,
501 0x05DD, 0x0D03, 0x049D, 0x0449, 0x0429, 0x048E, 0x0DA1, 0x0425,
502 0x0512, 0x0501, 0x0431, 0x0523, 0x0441, 0x042D, 0x040F, 0x0D7D,
503 0x0511, 0x0502, 0x05BF, 0x04A1, 0x0C03, 0x0402, 0x079D, 0x05AE,
504 0x075D, 0x057F, 0x041D, 0x048D, 0x042A, 0x0453, 0x05AF, 0x078D,
505 0x0C0D, 0x073D, 0x0491, 0x0591, 0x05BD, 0x072D, 0x057E, 0x051F,
506 0x0482, 0x0492, 0x041E, 0x0412, 0x0D9F, 0x0421, 0x0493, 0x0711,
507 0x056E, 0x059E, 0x054E, 0x0611, 0x05ED, 0x074D, 0x070F, 0x056F,
508 0x052F, 0x053F, 0x071F, 0x054F, 0x05CD, 0x0483, 0x055E, 0x072F,
509 0x0E01, 0x0426, 0x058F, 0x0413, 0x078F, 0x071D, 0x055F, 0x058E,
510 0x0411, 0x053E, 0x071E, 0x055D, 0x077E, 0x052E, 0x0692, 0x0417,
511 0x070D, 0x078E, 0x070E, 0x072E, 0x041B, 0x060E, 0x0622, 0x0683,
512 0x068D, 0x0702, 0x073E, 0x076F, 0x0781, 0x079E, 0x07BF, 0x07CE
513 };
514
515 static const packed_percentile_table block_pcd_8x8 {
516 8, 8,
517 { 347, 208 },
518 { 1144, 267 },
519 { 0, 38 },
520 { percentile_arr_8x8_0, percentile_arr_8x8_1 }
521 };
522 #endif
523
524 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 5)
525 static const uint16_t percentile_arr_10x5_0[274] {
526 0x0165, 0xF975, 0xD866, 0xC056, 0xA946, 0x90C6, 0x90F5, 0x8963,
527 0x80D6, 0x80E6, 0x60F3, 0x61C3, 0x59F2, 0xA927, 0x5075, 0x4847,
528 0x5153, 0x4955, 0x49E2, 0x48B6, 0x41D2, 0x4943, 0x8305, 0x8172,
529 0x4046, 0x4037, 0x40A7, 0x70B7, 0x7AC1, 0x31E3, 0x7027, 0x30E5,
530 0x69D3, 0x99B3, 0x3315, 0x6115, 0x3136, 0x3076, 0x3173, 0x30D5,
531 0x3106, 0x8962, 0x2916, 0x30C7, 0x5126, 0x30D3, 0x2956, 0x5117,
532 0x2B41, 0x2AE1, 0x2A61, 0x29F1, 0x2306, 0x2145, 0x4A85, 0x2057,
533 0x40E3, 0x4137, 0x3B21, 0x23C1, 0x2065, 0x1925, 0x51C2, 0x5225,
534 0x4935, 0x1AD1, 0x23A1, 0x19D1, 0x1A71, 0x4055, 0x1873, 0x1A86,
535 0x1295, 0x18F2, 0x28A6, 0x1952, 0x4AA5, 0x20B5, 0x10C5, 0x2AA2,
536 0x11E1, 0x1107, 0x10D2, 0x2171, 0x1351, 0x3036, 0x1331, 0x1BEE,
537 0x2035, 0x1045, 0x1313, 0x0A15, 0x1087, 0x1296, 0x13EF, 0x18E2,
538 0x1151, 0x1086, 0x10F1, 0x08A5, 0x12C2, 0x1BFF, 0x1095, 0x1A62,
539 0x1322, 0x0942, 0x1026, 0x1872, 0x1062, 0x0897, 0x1123, 0x08D1,
540 0x1A06, 0x0806, 0x137F, 0x13B1, 0x13DF, 0x1A51, 0x09B1, 0x0A83,
541 0x1015, 0x22F1, 0x0961, 0x0B81, 0x12B3, 0x0A35, 0x0AA3, 0x20B3,
542 0x08C3, 0x2342, 0x0933, 0x0A33, 0x09A2, 0x10C2, 0x0896, 0x2205,
543 0x0825, 0x20E1, 0x0922, 0x1242, 0x0B16, 0x0B32, 0x09A3, 0x0AC3,
544 0x0BBF, 0x0B93, 0x0071, 0x0931, 0x0A41, 0x2392, 0x13FE, 0x09C1,
545 0x0B07, 0x0016, 0x1182, 0x09B2, 0x0A26, 0x0132, 0x0941, 0x0A93,
546 0x0992, 0x1063, 0x1217, 0x01FF, 0x11EE, 0x1216, 0x0B23, 0x0B82,
547 0x0042, 0x1102, 0x0213, 0x0B6F, 0x09FE, 0x1207, 0x0807, 0x18B1,
548 0x0253, 0x0AB1, 0x08A2, 0x13FD, 0x01FD, 0x1983, 0x0AB2, 0x0A31,
549 0x016F, 0x0B11, 0x00B2, 0x0851, 0x0AD2, 0x0993, 0x0BDD, 0x12A1,
550 0x017F, 0x0A97, 0x1022, 0x0383, 0x0843, 0x0A52, 0x03A2, 0x097E,
551 0x0817, 0x03B2, 0x0A43, 0x09EF, 0x0A63, 0x0B33, 0x0B03, 0x0292,
552 0x0272, 0x09CE, 0x0287, 0x136D, 0x0053, 0x0B12, 0x0083, 0x0892,
553 0x0112, 0x1282, 0x03ED, 0x0852, 0x0301, 0x1391, 0x0232, 0x0B7E,
554 0x0221, 0x08A3, 0x0BCD, 0x0BCF, 0x036E, 0x09DE, 0x0103, 0x03DE,
555 0x0832, 0x0BAF, 0x0302, 0x13CE, 0x035F, 0x0093, 0x0A23, 0x01DF,
556 0x0013, 0x0A22, 0x0023, 0x0113, 0x09AF, 0x01BF, 0x0033, 0x095F,
557 0x0203, 0x0281, 0x09CF, 0x037D, 0x0201, 0x0B4D, 0x03AE, 0x03BE,
558 0x0291, 0x035E, 0x038E, 0x0B9F, 0x03AD, 0x0202, 0x034F, 0x0211,
559 0x035D, 0x0212, 0x032E, 0x039E, 0x033F, 0x034E, 0x03BD, 0x032F,
560 0x033E, 0x038F
561 };
562
563 static const uint16_t percentile_arr_10x5_1[180] {
564 0x0532, 0xFCA3, 0x3621, 0x6E82, 0x2CC2, 0x3D51, 0x3F01, 0x2691,
565 0x17AE, 0x35A2, 0x74B3, 0x1603, 0x4433, 0x3C43, 0x6C35, 0x25D1,
566 0x1D13, 0x15DF, 0x37CD, 0x0D93, 0x1D22, 0x0E81, 0x1452, 0x0CD2,
567 0x37BE, 0x0CB2, 0x3407, 0x1523, 0x0C16, 0x0CB5, 0x0C96, 0x1486,
568 0x2631, 0x1506, 0x0F4F, 0x1583, 0x0CD1, 0x2CA2, 0x2612, 0x1613,
569 0x1602, 0x1F11, 0x179F, 0x17BD, 0x15B1, 0x0406, 0x1D41, 0x0CF1,
570 0x0D31, 0x0442, 0x1C62, 0x0F6E, 0x077D, 0x0C51, 0x0445, 0x0D15,
571 0x2592, 0x0CB1, 0x05EF, 0x0542, 0x17AF, 0x1425, 0x075E, 0x0FAD,
572 0x0CC1, 0x0503, 0x0512, 0x15C1, 0x0C95, 0x0415, 0x0505, 0x0F4E,
573 0x04A5, 0x0493, 0x0C32, 0x0F5F, 0x04E1, 0x0521, 0x0C85, 0x07DD,
574 0x0582, 0x15FF, 0x05CF, 0x0405, 0x0D91, 0x05A1, 0x05FE, 0x0C23,
575 0x0561, 0x0472, 0x0471, 0x0C22, 0x0DEE, 0x076D, 0x0502, 0x0426,
576 0x0C61, 0x0D7D, 0x0525, 0x05DE, 0x0DCE, 0x079D, 0x0692, 0x0441,
577 0x0C91, 0x05DD, 0x0511, 0x057F, 0x0611, 0x0DFD, 0x078D, 0x056E,
578 0x0492, 0x04A1, 0x073F, 0x0C31, 0x05BE, 0x0483, 0x0571, 0x056F,
579 0x0D9F, 0x0581, 0x0501, 0x057E, 0x05BF, 0x078F, 0x0516, 0x05ED,
580 0x0402, 0x0F7E, 0x0482, 0x054E, 0x075D, 0x071F, 0x05CD, 0x0535,
581 0x05AE, 0x0C11, 0x058F, 0x05AF, 0x0421, 0x0413, 0x0601, 0x054F,
582 0x073D, 0x059E, 0x0487, 0x070F, 0x078E, 0x0781, 0x053E, 0x0403,
583 0x072D, 0x055D, 0x05BD, 0x079E, 0x0D8E, 0x0412, 0x052E, 0x074D,
584 0x053F, 0x051F, 0x070E, 0x055F, 0x072F, 0x052F, 0x070D, 0x055E,
585 0x0417, 0x0453, 0x072E, 0x0622, 0x0683, 0x0702, 0x071D, 0x071E,
586 0x073E, 0x076F, 0x07BF, 0x07CE
587 };
588
589 static const packed_percentile_table block_pcd_10x5 {
590 10, 5,
591 { 274, 180 },
592 { 954, 324 },
593 { 0, 79 },
594 { percentile_arr_10x5_0, percentile_arr_10x5_1 }
595 };
596 #endif
597
598 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 6)
599 static const uint16_t percentile_arr_10x6_0[325] {
600 0x01A4, 0xF954, 0xA066, 0x9975, 0x80F5, 0x7056, 0x6918, 0x6963,
601 0x58C6, 0x5946, 0x5928, 0x5174, 0x586F, 0xA0E6, 0x5108, 0x48D6,
602 0x49E2, 0x40F3, 0x9172, 0x41F2, 0xB875, 0x3927, 0x39C3, 0xA953,
603 0x3934, 0x3305, 0x30B6, 0x6943, 0x31D2, 0x3876, 0x3037, 0x2955,
604 0x30A7, 0x32C1, 0x29B3, 0x3027, 0x287E, 0x30B7, 0x29E3, 0x5846,
605 0x2B15, 0x2847, 0x3162, 0x5173, 0x4936, 0x285F, 0x48D3, 0x2164,
606 0x4906, 0x20E5, 0x2915, 0x2116, 0x407F, 0x20D5, 0x2A61, 0x4117,
607 0x20E3, 0x2126, 0x4148, 0x206E, 0x39D3, 0x2145, 0x41B4, 0x1B06,
608 0x2114, 0x2165, 0x5321, 0x5A85, 0x1A4D, 0x1A1F, 0x19F1, 0x3341,
609 0x184F, 0x1956, 0x3125, 0x30C7, 0x28F2, 0x1937, 0x1AE1, 0x1073,
610 0x1BA1, 0x1935, 0x110C, 0x1BC1, 0x3A25, 0x19C2, 0x1295, 0x122E,
611 0x1944, 0x11D1, 0x1124, 0x1857, 0x22D1, 0x2286, 0x1A2D, 0x12A2,
612 0x2107, 0x1055, 0x2065, 0x0A71, 0x2152, 0x10C5, 0x10D2, 0x1331,
613 0x08B5, 0x1171, 0x2836, 0x10A6, 0x0904, 0x123D, 0x20F1, 0x12A5,
614 0x10E2, 0x107D, 0x1AF1, 0x1313, 0x0951, 0x11E1, 0x1B22, 0x1B51,
615 0x0835, 0x101E, 0x0A5D, 0x0A15, 0x3045, 0x0A96, 0x08A5, 0x1142,
616 0x12A3, 0x1872, 0x085D, 0x09B1, 0x100E, 0x0887, 0x0886, 0x086D,
617 0x0933, 0x12B3, 0x0897, 0x08B3, 0x0A33, 0x0923, 0x1095, 0x0BEE,
618 0x2BB1, 0x085E, 0x1283, 0x0A51, 0x1026, 0x0A06, 0x12C2, 0x08D1,
619 0x11A2, 0x13BF, 0x08C3, 0x10C2, 0x0A3E, 0x0BDF, 0x0B81, 0x13EF,
620 0x0A35, 0x0B16, 0x082F, 0x2161, 0x1B32, 0x0806, 0x084E, 0x11A3,
621 0x1015, 0x1122, 0x2931, 0x0342, 0x0825, 0x0A0F, 0x0896, 0x0A05,
622 0x0241, 0x09C1, 0x083F, 0x0A42, 0x0071, 0x0B07, 0x082E, 0x0393,
623 0x12B1, 0x0A62, 0x0226, 0x0A2F, 0x0B92, 0x0063, 0x0932, 0x0862,
624 0x09FF, 0x0A31, 0x00E1, 0x12B2, 0x09B2, 0x0AC3, 0x0941, 0x0293,
625 0x1323, 0x104D, 0x003E, 0x083D, 0x0992, 0x1382, 0x03FF, 0x0A13,
626 0x1016, 0x0A53, 0x0182, 0x1007, 0x0AA1, 0x080F, 0x0A16, 0x0A1E,
627 0x0042, 0x0902, 0x13DD, 0x0BB2, 0x0A63, 0x00A2, 0x08B1, 0x03FE,
628 0x1207, 0x08B2, 0x0B83, 0x09EE, 0x0311, 0x0A87, 0x0BAF, 0x03A2,
629 0x09FD, 0x0051, 0x0B33, 0x020D, 0x09CE, 0x0217, 0x021D, 0x0817,
630 0x020E, 0x0A4E, 0x001F, 0x0BFD, 0x0297, 0x0983, 0x0A92, 0x0252,
631 0x0243, 0x0B03, 0x0193, 0x036F, 0x0B12, 0x0043, 0x0822, 0x0A21,
632 0x01FE, 0x0853, 0x037F, 0x023F, 0x0BED, 0x02D2, 0x0B91, 0x0232,
633 0x0282, 0x0912, 0x08A3, 0x0852, 0x0223, 0x0BCD, 0x0083, 0x0301,
634 0x0832, 0x01EF, 0x0892, 0x0302, 0x0A72, 0x03DE, 0x0893, 0x0BCF,
635 0x09DE, 0x03CE, 0x035F, 0x0833, 0x0023, 0x0103, 0x017E, 0x0813,
636 0x01CF, 0x01BF, 0x016F, 0x0A22, 0x037E, 0x0113, 0x01AF, 0x0B6E,
637 0x03BE, 0x0201, 0x0A03, 0x01DF, 0x036D, 0x03AE, 0x015F, 0x0281,
638 0x033E, 0x0A02, 0x038E, 0x017F, 0x0291, 0x034D, 0x03BD, 0x0B7D,
639 0x03AD, 0x0211, 0x0212, 0x034F, 0x032E, 0x039F, 0x034E, 0x035D,
640 0x035E, 0x033F, 0x039E, 0x032F, 0x038F
641 };
642
643 static const uint16_t percentile_arr_10x6_1[199] {
644 0x0621, 0xBD32, 0x5CA3, 0x1FAE, 0x64C2, 0x1D51, 0x6C33, 0xFC43,
645 0x5CB3, 0x25A2, 0x2E82, 0x35D1, 0x4F01, 0x3FBE, 0x3691, 0x2DDF,
646 0x2E03, 0x3FCD, 0x14D2, 0x1CF1, 0x0C52, 0x3C35, 0x2D22, 0x1513,
647 0x1462, 0x54B2, 0x0E31, 0x4E81, 0x1593, 0x1D23, 0x1CD1, 0x14B5,
648 0x2FBD, 0x0C07, 0x1D06, 0x0DEF, 0x14A2, 0x1612, 0x1F4F, 0x0C16,
649 0x1F7D, 0x0C96, 0x0486, 0x1F9F, 0x0D42, 0x4583, 0x0E02, 0x0472,
650 0x0DB1, 0x1613, 0x0FAD, 0x0D41, 0x0F11, 0x0E0D, 0x1C42, 0x143E,
651 0x076E, 0x04B1, 0x0FAF, 0x0D61, 0x0531, 0x0C71, 0x0DFF, 0x0DFE,
652 0x0406, 0x0C45, 0x0451, 0x0D15, 0x05C1, 0x2CC1, 0x141F, 0x0CE1,
653 0x0FDD, 0x0C22, 0x0582, 0x0D92, 0x0571, 0x0F6D, 0x0C93, 0x045D,
654 0x0F5E, 0x044D, 0x0423, 0x0D05, 0x0425, 0x0C95, 0x04A5, 0x0DCE,
655 0x075F, 0x0E1D, 0x0503, 0x042E, 0x0D91, 0x0512, 0x0DDE, 0x05A1,
656 0x074E, 0x0C32, 0x0431, 0x0415, 0x0D21, 0x05EE, 0x040E, 0x0DDD,
657 0x0485, 0x1525, 0x0491, 0x0C26, 0x046D, 0x0C05, 0x05CF, 0x05FD,
658 0x0E92, 0x073F, 0x0C0D, 0x043D, 0x0502, 0x0C1E, 0x041D, 0x0461,
659 0x04A1, 0x0511, 0x0581, 0x05BD, 0x0C41, 0x059F, 0x05BF, 0x040F,
660 0x0C7D, 0x0402, 0x054E, 0x057D, 0x0403, 0x078D, 0x05AE, 0x042D,
661 0x0483, 0x079D, 0x0D7F, 0x0482, 0x0611, 0x056E, 0x0516, 0x05BE,
662 0x0535, 0x044E, 0x05AF, 0x0DED, 0x042F, 0x0492, 0x058E, 0x078F,
663 0x0412, 0x057E, 0x053E, 0x0F1F, 0x073D, 0x0601, 0x0501, 0x075D,
664 0x059E, 0x05CD, 0x053F, 0x054F, 0x055E, 0x055D, 0x0421, 0x074D,
665 0x051F, 0x072F, 0x0781, 0x0411, 0x0D6F, 0x077E, 0x0487, 0x070E,
666 0x070F, 0x072D, 0x058F, 0x078E, 0x079E, 0x052E, 0x0413, 0x072E,
667 0x071D, 0x052F, 0x055F, 0x073E, 0x0417, 0x0453, 0x060E, 0x0622,
668 0x0683, 0x0702, 0x070D, 0x071E, 0x076F, 0x07BF, 0x07CE
669 };
670
671 static const packed_percentile_table block_pcd_10x6 {
672 10, 6,
673 { 325, 199 },
674 { 922, 381 },
675 { 0, 78 },
676 { percentile_arr_10x6_0, percentile_arr_10x6_1 }
677 };
678 #endif
679
680 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 8)
681 static const uint16_t percentile_arr_10x8_0[400] {
682 0x0154, 0xAB34, 0xAD44, 0x8308, 0x7866, 0x7B64, 0x79A4, 0x7975,
683 0x686A, 0x6908, 0xC514, 0x6174, 0x6128, 0x6118, 0x5B54, 0x5163,
684 0xF856, 0x50F5, 0x986F, 0xDD34, 0x48FE, 0x4972, 0x48E6, 0x4146,
685 0x48EE, 0x40F3, 0x4AC1, 0x38C6, 0x41E2, 0xBB05, 0x707E, 0x38D6,
686 0x3927, 0x6B14, 0x384B, 0x3948, 0x3153, 0x385A, 0x3134, 0x6B15,
687 0x39F2, 0x30CF, 0x3143, 0x91D2, 0x31C3, 0x60EF, 0x5973, 0x3076,
688 0x28D3, 0x3261, 0x2875, 0x28DE, 0x290C, 0x51E3, 0x28A7, 0x20E3,
689 0x2962, 0x2B06, 0x2917, 0x483B, 0x20B6, 0x2D24, 0x206E, 0x285F,
690 0x20B7, 0x2936, 0x4047, 0x2037, 0x20DF, 0x28BF, 0x21B4, 0x21B3,
691 0x1D08, 0x2027, 0x404F, 0x3846, 0x2116, 0x187F, 0x1879, 0x2285,
692 0x1A29, 0x3915, 0x4873, 0x1955, 0x3114, 0x1B44, 0x2165, 0x107A,
693 0x1956, 0x6137, 0x1106, 0x3145, 0x1B21, 0x19D3, 0x12AD, 0x1B41,
694 0x1AD1, 0x1126, 0x18F2, 0x282B, 0x40E5, 0x20D5, 0x2A0A, 0x284A,
695 0x1286, 0x1295, 0x121A, 0x2A0B, 0x321B, 0x122D, 0x10FD, 0x13A1,
696 0x32A2, 0x12E1, 0x1164, 0x13C1, 0x124D, 0x1239, 0x4504, 0x10C7,
697 0x22F1, 0x11F1, 0x0AC2, 0x2125, 0x1225, 0x0B04, 0x1107, 0x1069,
698 0x1A19, 0x13BF, 0x2A96, 0x08D2, 0x1271, 0x0952, 0x2BDF, 0x0B31,
699 0x1251, 0x2124, 0x0B13, 0x12BD, 0x1233, 0x13EE, 0x2144, 0x0B16,
700 0x0A15, 0x18E2, 0x08DD, 0x1097, 0x0857, 0x0B24, 0x0AA5, 0x12A3,
701 0x11C2, 0x11D1, 0x10CE, 0x0865, 0x123D, 0x08B3, 0x0B51, 0x1971,
702 0x0A41, 0x0A06, 0x1039, 0x080A, 0x0B22, 0x0923, 0x0836, 0x08C3,
703 0x0A1F, 0x1072, 0x080B, 0x0935, 0x0855, 0x18A6, 0x0A42, 0x1133,
704 0x0A83, 0x0A09, 0x0ACD, 0x0A2E, 0x0887, 0x083A, 0x10C5, 0x085E,
705 0x13B1, 0x087D, 0x0819, 0x0A9F, 0x0049, 0x08F1, 0x0BEF, 0x1161,
706 0x0B42, 0x09E1, 0x0A05, 0x0904, 0x12AE, 0x029E, 0x0A31, 0x09FF,
707 0x0951, 0x0859, 0x001A, 0x082F, 0x0B81, 0x08B5, 0x0A35, 0x082A,
708 0x08ED, 0x1142, 0x1262, 0x0B32, 0x08A5, 0x12D2, 0x03DD, 0x0B07,
709 0x18AE, 0x083F, 0x00AF, 0x0AB3, 0x086D, 0x0287, 0x0A93, 0x025D,
710 0x0816, 0x13FF, 0x0A8D, 0x005D, 0x08D1, 0x0392, 0x0845, 0x0AC3,
711 0x08C2, 0x01A3, 0x0AB1, 0x09A2, 0x005B, 0x0B93, 0x02B2, 0x1086,
712 0x001B, 0x0863, 0x0216, 0x0AA1, 0x0896, 0x0A8F, 0x084E, 0x0A8E,
713 0x0A53, 0x0026, 0x0A26, 0x0382, 0x0807, 0x0862, 0x0029, 0x0871,
714 0x00BD, 0x0835, 0x024E, 0x0806, 0x0941, 0x0895, 0x03AF, 0x0A13,
715 0x0932, 0x03ED, 0x0BFD, 0x0207, 0x0B83, 0x0993, 0x09B1, 0x03CD,
716 0x0A3E, 0x03FE, 0x0A21, 0x0015, 0x0B11, 0x0A43, 0x00E1, 0x136F,
717 0x00BE, 0x00A2, 0x0842, 0x0043, 0x0825, 0x082E, 0x0A2A, 0x03DE,
718 0x0BA2, 0x0122, 0x0BCF, 0x004D, 0x0323, 0x09C1, 0x0292, 0x083E,
719 0x0252, 0x0017, 0x0A72, 0x00CD, 0x0182, 0x0A63, 0x0131, 0x09B2,
720 0x0303, 0x0902, 0x0053, 0x035F, 0x0A32, 0x003D, 0x0992, 0x0A2F,
721 0x03B2, 0x0ABE, 0x009F, 0x0183, 0x0312, 0x08B1, 0x0B02, 0x0A17,
722 0x0B7F, 0x0333, 0x0297, 0x0A23, 0x020F, 0x0282, 0x0851, 0x0822,
723 0x03CE, 0x01EE, 0x000E, 0x08B2, 0x0083, 0x0A1D, 0x00A3, 0x0222,
724 0x088F, 0x0112, 0x029D, 0x0092, 0x0A3F, 0x0391, 0x089E, 0x0301,
725 0x01FD, 0x09BF, 0x01CE, 0x0852, 0x01FE, 0x0013, 0x0903, 0x088E,
726 0x037E, 0x021E, 0x01EF, 0x095F, 0x016F, 0x09DE, 0x03BE, 0x020E,
727 0x0113, 0x01DF, 0x080F, 0x020D, 0x0833, 0x03AE, 0x0032, 0x03BD,
728 0x0823, 0x001E, 0x01AF, 0x0203, 0x034F, 0x0093, 0x0A81, 0x036E,
729 0x0291, 0x038E, 0x0A01, 0x001F, 0x017F, 0x01CF, 0x017E, 0x0202,
730 0x0BAD, 0x0211, 0x035D, 0x035E, 0x039F, 0x0212, 0x032E, 0x033F,
731 0x034D, 0x034E, 0x036D, 0x032F, 0x033E, 0x037D, 0x038F, 0x039E
732 };
733
734 static const uint16_t percentile_arr_10x8_1[221] {
735 0x0621, 0xDFAE, 0x2443, 0x54C2, 0x37CD, 0x1CF1, 0xFCA3, 0x14D2,
736 0x2D32, 0x5551, 0x7DDF, 0x5C33, 0x15D1, 0x3462, 0x24B3, 0x7452,
737 0x5FBE, 0x6472, 0x65A2, 0x1D06, 0x445D, 0x15EF, 0x0E31, 0x1D71,
738 0x343E, 0x0D42, 0x0CDD, 0x1F01, 0x4691, 0x1435, 0x0E82, 0x0DFF,
739 0x17DD, 0x0D22, 0x24B2, 0x1603, 0x04B5, 0x24AE, 0x060D, 0x2D13,
740 0x0C7D, 0x0496, 0x17BD, 0x1F4F, 0x1F7D, 0x1486, 0x0593, 0x1C16,
741 0x0C07, 0x15FE, 0x041F, 0x14D1, 0x0C9F, 0x0E81, 0x0D15, 0x27AF,
742 0x0C2E, 0x0D23, 0x176E, 0x0FAD, 0x1C06, 0x1561, 0x0DB1, 0x040B,
743 0x1C4E, 0x0D83, 0x1711, 0x0C42, 0x0C71, 0x1C1A, 0x0D25, 0x04A2,
744 0x0C45, 0x076D, 0x0F9F, 0x075F, 0x0E12, 0x046D, 0x048F, 0x1D92,
745 0x0602, 0x0C39, 0x174E, 0x0C51, 0x0CA1, 0x075E, 0x05C1, 0x14BD,
746 0x0D31, 0x0423, 0x0F3F, 0x0495, 0x0C93, 0x049E, 0x0D05, 0x04E1,
747 0x0DEE, 0x0415, 0x04B1, 0x0503, 0x0CCD, 0x042F, 0x0DCF, 0x044D,
748 0x0541, 0x1582, 0x05DE, 0x0D01, 0x0487, 0x040A, 0x0516, 0x0CA5,
749 0x05FD, 0x05BF, 0x057D, 0x0DA1, 0x0426, 0x040F, 0x071F, 0x0613,
750 0x0432, 0x0D12, 0x043D, 0x0425, 0x0461, 0x061D, 0x0D21, 0x0591,
751 0x079D, 0x048D, 0x0429, 0x0C49, 0x04C1, 0x042A, 0x040E, 0x0485,
752 0x0511, 0x0405, 0x0502, 0x0441, 0x0C19, 0x0692, 0x0535, 0x058F,
753 0x041D, 0x059F, 0x072D, 0x04AD, 0x049D, 0x05CE, 0x048E, 0x0C31,
754 0x057F, 0x078D, 0x0409, 0x041E, 0x05AE, 0x0611, 0x058E, 0x05DD,
755 0x05CD, 0x056E, 0x0483, 0x073D, 0x054E, 0x0D9E, 0x0402, 0x0491,
756 0x040D, 0x056F, 0x042D, 0x0581, 0x0421, 0x057E, 0x0781, 0x053E,
757 0x0482, 0x078F, 0x0413, 0x052E, 0x0601, 0x0422, 0x0492, 0x055E,
758 0x05BE, 0x0F9E, 0x072F, 0x074D, 0x0412, 0x070F, 0x075D, 0x05BD,
759 0x051F, 0x071D, 0x073E, 0x077E, 0x0403, 0x0411, 0x078E, 0x055D,
760 0x05AF, 0x05ED, 0x052F, 0x053F, 0x070D, 0x070E, 0x072E, 0x054F,
761 0x0417, 0x041B, 0x0453, 0x055F, 0x060E, 0x0622, 0x0683, 0x068D,
762 0x0702, 0x071E, 0x076F, 0x07BF, 0x07CE
763 };
764
765 static const packed_percentile_table block_pcd_10x8 =
766 {
767 10, 8,
768 { 400, 221 },
769 { 1119, 376 },
770 { 0, 52 },
771 { percentile_arr_10x8_0, percentile_arr_10x8_1 }
772 };
773 #endif
774
775 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 10)
776 static const uint16_t percentile_arr_10x10_0[453] {
777 0x0334, 0x9514, 0x8954, 0x806A, 0x6F14, 0x6724, 0x6108, 0x6364,
778 0x5175, 0x5D44, 0x5866, 0x5118, 0x5308, 0xA179, 0x5128, 0xF534,
779 0x49A4, 0x5354, 0x9174, 0x486F, 0x48EA, 0x40F3, 0x4963, 0x414A,
780 0xF8F9, 0x3984, 0x4172, 0x387E, 0x405A, 0x38DA, 0x38F5, 0x9B05,
781 0x30EE, 0x32C1, 0x3261, 0x3D08, 0x31E2, 0x3056, 0x292B, 0x3146,
782 0x3127, 0x3315, 0x58CA, 0x58E6, 0x290C, 0x3314, 0x8134, 0x28E3,
783 0x28FE, 0x2948, 0x28C6, 0x78DE, 0x28BB, 0x68D6, 0x286E, 0x2173,
784 0x2962, 0x21D2, 0x205F, 0x49F2, 0x2917, 0x2306, 0x207F, 0x404F,
785 0x2153, 0x2943, 0x20CF, 0x21C3, 0x2073, 0x20D3, 0x2136, 0x183B,
786 0x430A, 0x40A7, 0x18B6, 0x2079, 0x2309, 0x2075, 0x184B, 0x20EF,
787 0x187A, 0x7837, 0x1B19, 0x20AB, 0x18BA, 0x20B7, 0x1994, 0x19E3,
788 0x21B4, 0x49B3, 0x38BF, 0x193B, 0x1876, 0x182B, 0x30F2, 0x193A,
789 0x1827, 0x1965, 0x1914, 0x184A, 0x4047, 0x1916, 0x1285, 0x1937,
790 0x122D, 0x1915, 0x1321, 0x1955, 0x1046, 0x191B, 0x2106, 0x2919,
791 0x1344, 0x1524, 0x12E1, 0x3926, 0x10E5, 0x2295, 0x1159, 0x1145,
792 0x10DF, 0x124D, 0x1271, 0x092A, 0x2169, 0x1704, 0x22A2, 0x1164,
793 0x13EE, 0x12F1, 0x0AD1, 0x128A, 0x110A, 0x11D3, 0x1286, 0x115A,
794 0x2BA1, 0x0BBF, 0x3956, 0x2A89, 0x12AD, 0x10E9, 0x0B41, 0x1A29,
795 0x2225, 0x08FD, 0x1107, 0x08D5, 0x191A, 0x1125, 0x1A96, 0x0B04,
796 0x18D9, 0x2B16, 0x11F1, 0x0A33, 0x0924, 0x131A, 0x1149, 0x1324,
797 0x0BEF, 0x0A99, 0x08CB, 0x123D, 0x1331, 0x0BDF, 0x0872, 0x22A3,
798 0x0AC2, 0x1144, 0x0D04, 0x08D2, 0x08CE, 0x0AA9, 0x0A9A, 0x0B13,
799 0x1251, 0x0865, 0x1069, 0x0897, 0x1215, 0x18B3, 0x1A62, 0x08C7,
800 0x185E, 0x10E2, 0x0AA5, 0x21FF, 0x090B, 0x0952, 0x09E1, 0x0A42,
801 0x08F1, 0x0A06, 0x0B22, 0x087D, 0x1139, 0x021F, 0x122E, 0x082F,
802 0x09C2, 0x0887, 0x0A0A, 0x03C1, 0x0929, 0x0A5D, 0x0A83, 0x0BFF,
803 0x0935, 0x085B, 0x0104, 0x08DD, 0x0923, 0x083F, 0x0241, 0x09D1,
804 0x0A39, 0x0863, 0x0A8B, 0x08A6, 0x008B, 0x1133, 0x13B1, 0x089B,
805 0x0AB3, 0x0036, 0x0BDD, 0x08ED, 0x0857, 0x0971, 0x0219, 0x1235,
806 0x0AB1, 0x0ACD, 0x036F, 0x0A31, 0x08AA, 0x003A, 0x08C3, 0x0A05,
807 0x02BD, 0x0B92, 0x0B07, 0x12B2, 0x08C5, 0x0B51, 0x0381, 0x0A8D,
808 0x01A3, 0x0896, 0x0855, 0x0BFD, 0x005D, 0x0BFE, 0x023E, 0x08AF,
809 0x00B9, 0x0A93, 0x00B5, 0x0862, 0x0A0B, 0x0A09, 0x0A72, 0x0332,
810 0x0AA1, 0x08C9, 0x024E, 0x1382, 0x0951, 0x00A5, 0x0A2A, 0x0059,
811 0x0A9E, 0x0B42, 0x004E, 0x0942, 0x03ED, 0x09B2, 0x02D2, 0x0849,
812 0x0035, 0x0216, 0x0961, 0x0BAF, 0x00AE, 0x0826, 0x0287, 0x0A1A,
813 0x0393, 0x0221, 0x09A2, 0x086D, 0x0226, 0x0871, 0x0039, 0x082A,
814 0x08C2, 0x08E1, 0x0845, 0x0207, 0x0B23, 0x0015, 0x00D1, 0x0B83,
815 0x037F, 0x0252, 0x08A9, 0x0099, 0x0A13, 0x0053, 0x0807, 0x03CD,
816 0x0BDE, 0x0016, 0x089A, 0x0232, 0x035F, 0x0A8E, 0x0AC3, 0x022F,
817 0x0263, 0x0829, 0x004D, 0x0132, 0x0806, 0x0311, 0x01B1, 0x0941,
818 0x0086, 0x000B, 0x1122, 0x0025, 0x0842, 0x00BD, 0x0BCF, 0x03A2,
819 0x0043, 0x0B03, 0x0895, 0x0A8F, 0x008A, 0x09EF, 0x0253, 0x0A1B,
820 0x0182, 0x0243, 0x0A92, 0x00CD, 0x083E, 0x030B, 0x0223, 0x081A,
821 0x0A9F, 0x0193, 0x00BE, 0x0017, 0x0931, 0x0391, 0x037E, 0x09C1,
822 0x0312, 0x0333, 0x03B2, 0x083D, 0x08B1, 0x00B2, 0x002E, 0x021D,
823 0x0A9D, 0x0192, 0x02AE, 0x0102, 0x0022, 0x081B, 0x0222, 0x009E,
824 0x021E, 0x000A, 0x089F, 0x0217, 0x0BCE, 0x0052, 0x020F, 0x0A97,
825 0x0282, 0x008E, 0x0A3F, 0x01FD, 0x00A3, 0x0019, 0x08A2, 0x0301,
826 0x036E, 0x01FE, 0x03BE, 0x0ABE, 0x01CE, 0x0302, 0x029B, 0x0051,
827 0x0883, 0x008F, 0x0BAE, 0x01DF, 0x0183, 0x0912, 0x000E, 0x020D,
828 0x01EE, 0x0B4F, 0x0033, 0x0103, 0x020E, 0x0832, 0x01AF, 0x0913,
829 0x01DE, 0x0203, 0x001E, 0x0092, 0x0093, 0x000F, 0x015F, 0x0291,
830 0x0281, 0x0813, 0x001F, 0x01CF, 0x033F, 0x0023, 0x01BF, 0x0202,
831 0x016F, 0x017E, 0x03AD, 0x0201, 0x034E, 0x0BBD, 0x036D, 0x017F,
832 0x0211, 0x038E, 0x0212, 0x032E, 0x034D, 0x035E, 0x037D, 0x039E,
833 0x032F, 0x033E, 0x035D, 0x038F, 0x039F
834 };
835
836 static const uint16_t percentile_arr_10x10_1[234] {
837 0x07CD, 0x6E21, 0x24F1, 0x8443, 0xD7AE, 0x24C2, 0x1C62, 0xCCA3,
838 0x1C33, 0xFDEF, 0x2532, 0x55DF, 0x1472, 0x6C3E, 0x14D2, 0x34DD,
839 0x1452, 0x745D, 0x4D51, 0x8DD1, 0x247D, 0x75FF, 0x0CB3, 0x17BE,
840 0x6CAE, 0x17DD, 0x1571, 0x3D06, 0x4E31, 0x0DA2, 0x67BD, 0x160D,
841 0x2C4E, 0x0D22, 0x176E, 0x3CB2, 0x142E, 0x4DFE, 0x0F4F, 0x1435,
842 0x0F01, 0x0D42, 0x0F7D, 0x0CB5, 0x1E03, 0x149F, 0x1C96, 0x141F,
843 0x14B9, 0x0FAF, 0x0439, 0x0E91, 0x2682, 0x1D13, 0x1FAD, 0x0407,
844 0x3471, 0x0C86, 0x0F6D, 0x0D15, 0x0D61, 0x040B, 0x0C6D, 0x0C16,
845 0x0C9A, 0x0D0A, 0x0593, 0x0CD1, 0x248F, 0x0C2F, 0x3C42, 0x1523,
846 0x0445, 0x0E81, 0x0CA2, 0x1525, 0x0406, 0x1C8A, 0x0C1A, 0x04BD,
847 0x0F5E, 0x0F3F, 0x1F4E, 0x0E1D, 0x0423, 0x0DCF, 0x044D, 0x0D92,
848 0x0583, 0x0DB1, 0x1449, 0x15EE, 0x0F5F, 0x079F, 0x0D19, 0x0409,
849 0x04CD, 0x05FD, 0x143D, 0x0612, 0x0D03, 0x0D82, 0x04B1, 0x0C95,
850 0x0C2A, 0x049E, 0x05AF, 0x0D31, 0x05BE, 0x04E1, 0x0D05, 0x0516,
851 0x0711, 0x05C1, 0x0509, 0x0D41, 0x0493, 0x048E, 0x0602, 0x05BF,
852 0x0CA5, 0x0529, 0x0535, 0x0D12, 0x0539, 0x0451, 0x0C29, 0x071F,
853 0x040A, 0x0F3D, 0x0432, 0x059F, 0x0425, 0x0C99, 0x05DE, 0x05CE,
854 0x0C0F, 0x0489, 0x051A, 0x0501, 0x0415, 0x057F, 0x0431, 0x0E13,
855 0x040D, 0x041D, 0x075D, 0x0C53, 0x0502, 0x04C1, 0x049D, 0x0426,
856 0x040E, 0x05A1, 0x055F, 0x0781, 0x0591, 0x04A9, 0x048B, 0x0D8E,
857 0x052E, 0x0412, 0x0521, 0x0405, 0x04AD, 0x074D, 0x0611, 0x077E,
858 0x078F, 0x078D, 0x048D, 0x041E, 0x0487, 0x0461, 0x0C85, 0x05ED,
859 0x0402, 0x0483, 0x0419, 0x0511, 0x0491, 0x0482, 0x059E, 0x068D,
860 0x055D, 0x072E, 0x05DD, 0x054E, 0x0441, 0x0422, 0x052F, 0x057D,
861 0x072D, 0x079D, 0x0CA1, 0x072F, 0x079E, 0x0581, 0x042D, 0x055E,
862 0x0601, 0x0413, 0x0692, 0x0403, 0x051F, 0x053F, 0x054F, 0x05CD,
863 0x070F, 0x071D, 0x05AE, 0x05BD, 0x0492, 0x056E, 0x0411, 0x0417,
864 0x041B, 0x0421, 0x053E, 0x056F, 0x057E, 0x058F, 0x060E, 0x0622,
865 0x0683, 0x0702, 0x070D, 0x070E, 0x071E, 0x073E, 0x076F, 0x078E,
866 0x07BF, 0x07CE
867 };
868
869 static const packed_percentile_table block_pcd_10x10 {
870 10, 10,
871 { 453, 234 },
872 { 1095, 472 },
873 { 0, 70 },
874 { percentile_arr_10x10_0, percentile_arr_10x10_1 }
875 };
876 #endif
877
878 #if ASTCENC_BLOCK_MAX_TEXELS >= (12 * 10)
879 static const uint16_t percentile_arr_12x10_0[491] {
880 0x0334, 0x9954, 0x8514, 0x7128, 0x6364, 0xC174, 0x5D34, 0x5866,
881 0x5975, 0x5354, 0xAF14, 0x506A, 0x5108, 0x5724, 0x5308, 0x4544,
882 0x4918, 0x4064, 0x49E2, 0x4179, 0x8163, 0x4054, 0xF81C, 0x394A,
883 0x38F3, 0x4172, 0x38F5, 0xA06F, 0x68EA, 0x69F2, 0x3134, 0x31A4,
884 0x305A, 0x68DA, 0x3056, 0x3146, 0x31F5, 0x3148, 0x5A61, 0x32C1,
885 0x31D2, 0x307E, 0x29E3, 0x30E6, 0x59C3, 0x2984, 0x29B6, 0x28F9,
886 0x5204, 0x28EE, 0x50CA, 0x2997, 0x48C6, 0x4838, 0x2953, 0x200C,
887 0x2943, 0x2173, 0x2D08, 0x4162, 0x29B4, 0x2314, 0x21B3, 0x212B,
888 0x210C, 0x48E3, 0x60DE, 0x205F, 0x20FE, 0x2028, 0x21A6, 0x404F,
889 0x20D6, 0x2214, 0x2127, 0x1873, 0x40CF, 0x206E, 0x1B09, 0x21C6,
890 0x2075, 0x19D5, 0x2305, 0x18D3, 0x2076, 0x1804, 0x230A, 0x304B,
891 0x20BB, 0x18B6, 0x1936, 0x1B19, 0x3037, 0x187F, 0x18A7, 0x1B85,
892 0x30BA, 0x183B, 0x1027, 0x18EF, 0x1B21, 0x1879, 0x10AB, 0x1917,
893 0x1114, 0x18BF, 0x1074, 0x1994, 0x2847, 0x111B, 0x28F2, 0x11E5,
894 0x19A7, 0x113A, 0x1046, 0x28B7, 0x207A, 0x182B, 0x1155, 0x104A,
895 0x1344, 0x293B, 0x11D3, 0x2014, 0x1044, 0x1018, 0x13A1, 0x1315,
896 0x2524, 0x20DF, 0x10E5, 0x1126, 0x12A2, 0x1824, 0x2271, 0x11F1,
897 0x2964, 0x12D1, 0x115A, 0x092A, 0x2341, 0x1A2D, 0x12E1, 0x090A,
898 0x13BF, 0x0A4D, 0x2119, 0x0BC1, 0x1233, 0x1A8A, 0x2008, 0x1159,
899 0x1A89, 0x08D5, 0x1156, 0x0834, 0x13EE, 0x1169, 0x1187, 0x1AA3,
900 0x1229, 0x1331, 0x0A85, 0x0937, 0x1704, 0x08FD, 0x2124, 0x0B13,
901 0x1251, 0x0AAD, 0x082C, 0x091A, 0x18D9, 0x0A99, 0x1848, 0x18E9,
902 0x0B95, 0x1144, 0x0AF1, 0x1A25, 0x131A, 0x09C5, 0x0986, 0x1BDF,
903 0x0B24, 0x0965, 0x1262, 0x0949, 0x0872, 0x09C2, 0x12C2, 0x0916,
904 0x085E, 0x0B06, 0x08CB, 0x08C7, 0x1242, 0x1BEF, 0x0A9A, 0x1152,
905 0x08B3, 0x0AA9, 0x090B, 0x08D2, 0x1B22, 0x0B04, 0x0865, 0x0A15,
906 0x1286, 0x0A83, 0x0A95, 0x09D1, 0x0A06, 0x0196, 0x1139, 0x0A3D,
907 0x0933, 0x13B1, 0x0123, 0x0D04, 0x08E2, 0x122E, 0x08A6, 0x00CE,
908 0x0A31, 0x1241, 0x0B51, 0x1057, 0x1171, 0x007D, 0x1145, 0x0A0A,
909 0x0129, 0x09FF, 0x089B, 0x085B, 0x0063, 0x0AB1, 0x0A1F, 0x0A5D,
910 0x0AA5, 0x0036, 0x0904, 0x0B86, 0x0A8B, 0x0897, 0x11E1, 0x0332,
911 0x083F, 0x0A19, 0x02B3, 0x0859, 0x08C3, 0x0855, 0x11B5, 0x01A5,
912 0x0AB2, 0x0392, 0x10DD, 0x09A3, 0x00ED, 0x0907, 0x1161, 0x002F,
913 0x0887, 0x0216, 0x0ABD, 0x0B81, 0x0A93, 0x0A21, 0x003A, 0x0ACD,
914 0x0AA1, 0x0A35, 0x0272, 0x0BDD, 0x03FE, 0x0BAF, 0x0869, 0x0213,
915 0x088B, 0x020B, 0x00B5, 0x1035, 0x08F1, 0x0151, 0x0A4E, 0x0239,
916 0x0BA2, 0x00AA, 0x0896, 0x0382, 0x0A08, 0x0A05, 0x0A09, 0x0142,
917 0x086D, 0x004E, 0x0B23, 0x0106, 0x0807, 0x036F, 0x0995, 0x03FD,
918 0x08AF, 0x08C5, 0x0062, 0x0053, 0x0B42, 0x0826, 0x021A, 0x01A2,
919 0x09B1, 0x00C9, 0x09B2, 0x0045, 0x0207, 0x08B9, 0x00A5, 0x0AD2,
920 0x0095, 0x003E, 0x0A32, 0x0383, 0x0849, 0x0135, 0x029E, 0x0A26,
921 0x023E, 0x0BFF, 0x0A52, 0x0311, 0x001B, 0x0915, 0x0A8D, 0x0223,
922 0x022A, 0x0BED, 0x0086, 0x0A96, 0x0222, 0x035F, 0x0A43, 0x085D,
923 0x0303, 0x0393, 0x0A63, 0x082A, 0x037F, 0x0932, 0x0043, 0x0292,
924 0x03CD, 0x0BDE, 0x009F, 0x0125, 0x08A9, 0x0253, 0x0015, 0x0192,
925 0x0A17, 0x08C2, 0x0316, 0x00D1, 0x0282, 0x0871, 0x0312, 0x0122,
926 0x0A9F, 0x02AE, 0x0006, 0x0A8E, 0x08E1, 0x0016, 0x0B0B, 0x00AE,
927 0x0025, 0x0193, 0x0AC3, 0x0017, 0x0307, 0x00BD, 0x08BE, 0x0039,
928 0x0BB2, 0x021B, 0x01FD, 0x084D, 0x03CE, 0x00A3, 0x0302, 0x0BCF,
929 0x0033, 0x0391, 0x028F, 0x0852, 0x0287, 0x008A, 0x0333, 0x080B,
930 0x0131, 0x01C1, 0x037E, 0x0A0F, 0x00B1, 0x002E, 0x0099, 0x0902,
931 0x009A, 0x003D, 0x0982, 0x0301, 0x00CD, 0x0941, 0x0042, 0x0183,
932 0x029D, 0x08A2, 0x021D, 0x001A, 0x0A97, 0x01EF, 0x01CE, 0x0051,
933 0x0BAE, 0x022F, 0x03BE, 0x021E, 0x000A, 0x09DF, 0x0029, 0x020D,
934 0x02BE, 0x029B, 0x09EE, 0x00B2, 0x0912, 0x036E, 0x009E, 0x0022,
935 0x0019, 0x0892, 0x0032, 0x01FE, 0x0083, 0x023F, 0x0B96, 0x000E,
936 0x008F, 0x0113, 0x0103, 0x001E, 0x0A0E, 0x0013, 0x008E, 0x0281,
937 0x09AF, 0x017E, 0x0203, 0x016F, 0x0291, 0x0023, 0x0093, 0x03BD,
938 0x001F, 0x01CF, 0x01DE, 0x0201, 0x01BF, 0x0B4F, 0x000F, 0x0202,
939 0x037D, 0x038E, 0x0211, 0x0212, 0x034E, 0x039F, 0x03AD, 0x015F,
940 0x017F, 0x032E, 0x033F, 0x034D, 0x035E, 0x036D, 0x032F, 0x033E,
941 0x035D, 0x038F, 0x039E
942 };
943
944 static const uint16_t percentile_arr_12x10_1[240] {
945 0x0621, 0xA443, 0xFCC2, 0x3CA3, 0x1D32, 0x14F1, 0x7462, 0x1433,
946 0x27CD, 0x2571, 0x57AE, 0x5DD1, 0x64B3, 0x44D2, 0x2C72, 0x25A2,
947 0x1E31, 0x55DF, 0x4C52, 0x1DEF, 0x0D51, 0x3C5D, 0x3C3E, 0x74DD,
948 0x347D, 0x27BE, 0x5CB5, 0x17DD, 0x2C14, 0x0CAE, 0x24B2, 0x15FF,
949 0x2701, 0x0D42, 0x1FBD, 0x0C35, 0x1603, 0x060D, 0x1D93, 0x0C96,
950 0x1C07, 0x1522, 0x0D06, 0x0F4F, 0x0C9F, 0x1F6E, 0x0D86, 0x0C2E,
951 0x1DFE, 0x0682, 0x1E91, 0x0F7D, 0x0C86, 0x040B, 0x1513, 0x044E,
952 0x14D1, 0x0C39, 0x14B9, 0x1C71, 0x05B1, 0x0C1F, 0x0681, 0x1445,
953 0x0C16, 0x0D95, 0x1583, 0x0D61, 0x0FAD, 0x1442, 0x048F, 0x0D0A,
954 0x049A, 0x0F6D, 0x146D, 0x0C2F, 0x0D25, 0x0406, 0x0C1A, 0x0D23,
955 0x0612, 0x0FAF, 0x0F11, 0x0592, 0x0515, 0x14E1, 0x0602, 0x048A,
956 0x0E1D, 0x0CBD, 0x0F9F, 0x0423, 0x075E, 0x174E, 0x0426, 0x0404,
957 0x0C22, 0x0CA2, 0x0DEE, 0x0CA5, 0x0F3F, 0x05C1, 0x0CCD, 0x0503,
958 0x044D, 0x0D16, 0x0449, 0x0D82, 0x0613, 0x0585, 0x0519, 0x0C95,
959 0x075F, 0x0D35, 0x04B1, 0x0509, 0x0531, 0x0DA1, 0x049E, 0x040A,
960 0x05CF, 0x0D41, 0x0415, 0x0692, 0x05FD, 0x0C25, 0x04A1, 0x0529,
961 0x0591, 0x0C93, 0x057F, 0x04C1, 0x0512, 0x051A, 0x078D, 0x0451,
962 0x0C0F, 0x0487, 0x0611, 0x0432, 0x042A, 0x05AF, 0x0461, 0x072D,
963 0x0409, 0x0405, 0x0D39, 0x05DE, 0x048E, 0x0499, 0x0483, 0x04A9,
964 0x0491, 0x042D, 0x049D, 0x0429, 0x040E, 0x05AE, 0x0521, 0x043D,
965 0x0581, 0x05DD, 0x0492, 0x0CAD, 0x041E, 0x058F, 0x071F, 0x072F,
966 0x0419, 0x073D, 0x057D, 0x0511, 0x05CE, 0x041D, 0x0485, 0x056E,
967 0x0412, 0x0431, 0x05BF, 0x0441, 0x054E, 0x0489, 0x0421, 0x0502,
968 0x0408, 0x040D, 0x051F, 0x059F, 0x073E, 0x078F, 0x0482, 0x079D,
969 0x0C02, 0x05BE, 0x048B, 0x0411, 0x0505, 0x057E, 0x052E, 0x074D,
970 0x077E, 0x054F, 0x0601, 0x055F, 0x068D, 0x070D, 0x070F, 0x071E,
971 0x072E, 0x05CD, 0x0403, 0x0501, 0x055D, 0x059E, 0x0781, 0x0413,
972 0x0417, 0x041B, 0x0453, 0x048D, 0x052F, 0x053E, 0x053F, 0x055E,
973 0x056F, 0x058E, 0x05BD, 0x05ED, 0x060E, 0x0622, 0x0683, 0x0702,
974 0x070E, 0x071D, 0x075D, 0x076F, 0x078E, 0x079E, 0x07BF, 0x07CE
975 };
976
977 static const packed_percentile_table block_pcd_12x10 =
978 {
979 12, 10,
980 { 491, 240 },
981 { 1099, 341 },
982 { 0, 23 },
983 { percentile_arr_12x10_0, percentile_arr_12x10_1 }
984 };
985 #endif
986
987 #if ASTCENC_BLOCK_MAX_TEXELS >= (12 * 12)
988 static const uint16_t percentile_arr_12x12_0[529] {
989 0x0334, 0xF534, 0x8514, 0x8954, 0x7F14, 0xFB54, 0x7B08, 0x7128,
990 0x7974, 0x6179, 0x6B64, 0x6908, 0x606A, 0x6724, 0xB544, 0xB066,
991 0xA14A, 0x5118, 0x9975, 0x51F9, 0x981C, 0x49CA, 0x4854, 0x886F,
992 0x88D4, 0x48EE, 0x41E2, 0x4163, 0x40F3, 0x4261, 0x4064, 0x407E,
993 0x385A, 0x42C1, 0x4172, 0x38EA, 0x3946, 0x78CF, 0xA056, 0x38DE,
994 0x3D08, 0x38F9, 0x3B14, 0x38FE, 0xA134, 0x38B8, 0x31A4, 0x71D2,
995 0x60DA, 0x39C3, 0x99BA, 0x60CA, 0x39F2, 0x30F5, 0x304F, 0x31B6,
996 0x31F5, 0x3204, 0x3148, 0x305F, 0x2953, 0x3194, 0x3184, 0x310C,
997 0x889C, 0x300C, 0x2943, 0x30EF, 0x28C6, 0x2997, 0x2838, 0x58E6,
998 0x20E4, 0x28E3, 0x2873, 0x29E3, 0x2A84, 0x28D3, 0x492B, 0x2962,
999 0x286E, 0x20BF, 0x21AA, 0x29A6, 0x6A14, 0x2828, 0x89C6, 0x21B3,
1000 0x2305, 0x29B4, 0x2173, 0x2127, 0x20D6, 0x407F, 0x2294, 0x21D9,
1001 0x21D5, 0x2004, 0x404B, 0x18DF, 0x2079, 0x219B, 0x18A8, 0x2385,
1002 0x1936, 0x21AB, 0x188C, 0x1B09, 0x18BA, 0x203B, 0x187A, 0x1875,
1003 0x2344, 0x18BB, 0x18B6, 0x193A, 0x1837, 0x1914, 0x1846, 0x1876,
1004 0x1884, 0x1D24, 0x182B, 0x284A, 0x18A7, 0x18AB, 0x1917, 0x322D,
1005 0x1047, 0x1874, 0x1818, 0x18F2, 0x1164, 0x1B89, 0x2959, 0x1B21,
1006 0x39E5, 0x1827, 0x10F4, 0x18B7, 0x11D3, 0x1A4D, 0x1315, 0x12AD,
1007 0x1AD1, 0x3A71, 0x1319, 0x11A7, 0x2044, 0x2F04, 0x2341, 0x10E5,
1008 0x1155, 0x195A, 0x1024, 0x111B, 0x1251, 0x1233, 0x12E1, 0x13A1,
1009 0x13BF, 0x212A, 0x22A2, 0x113B, 0x23DF, 0x10D5, 0x2399, 0x0814,
1010 0x1126, 0x13EE, 0x1285, 0x10C4, 0x18FD, 0x20D9, 0x0987, 0x1242,
1011 0x29C5, 0x2313, 0x0898, 0x13C1, 0x08C8, 0x11F1, 0x1034, 0x1B24,
1012 0x0B0A, 0x11E9, 0x0808, 0x125D, 0x18E9, 0x0848, 0x1395, 0x0965,
1013 0x123D, 0x2186, 0x1295, 0x18CE, 0x098B, 0x0BEF, 0x1504, 0x082C,
1014 0x0A41, 0x1144, 0x0A89, 0x0956, 0x1331, 0x085E, 0x0B04, 0x128A,
1015 0x12A3, 0x1937, 0x19C2, 0x0952, 0x0872, 0x08B4, 0x1262, 0x1124,
1016 0x1969, 0x1063, 0x0AF1, 0x1225, 0x0894, 0x11C9, 0x18D2, 0x0ACD,
1017 0x0A29, 0x0B06, 0x09B5, 0x18C7, 0x0916, 0x1088, 0x09FF, 0x2206,
1018 0x0A15, 0x08B3, 0x0B51, 0x0A1F, 0x18CB, 0x0AC2, 0x0A2E, 0x1865,
1019 0x08AC, 0x0A31, 0x08A4, 0x138A, 0x0A99, 0x09D1, 0x0A86, 0x189B,
1020 0x0283, 0x0BDD, 0x0ABD, 0x1933, 0x083F, 0x1386, 0x0923, 0x0322,
1021 0x0869, 0x10DD, 0x13B1, 0x082F, 0x087D, 0x11B9, 0x085B, 0x08ED,
1022 0x00C3, 0x08E2, 0x084E, 0x0887, 0x0855, 0x0A0A, 0x0857, 0x0B92,
1023 0x1036, 0x12A5, 0x0293, 0x0945, 0x08A6, 0x0196, 0x19A3, 0x036F,
1024 0x0904, 0x1205, 0x09E1, 0x0381, 0x0971, 0x1219, 0x0BAF, 0x0949,
1025 0x00AF, 0x0AA9, 0x018A, 0x0907, 0x0BFD, 0x003A, 0x0BCD, 0x0AB2,
1026 0x088B, 0x0252, 0x0A4E, 0x03FF, 0x0845, 0x0897, 0x0059, 0x090B,
1027 0x0B42, 0x0807, 0x0A16, 0x0853, 0x0A8D, 0x01B2, 0x0AB1, 0x091A,
1028 0x0195, 0x0A35, 0x00B5, 0x10AA, 0x0115, 0x0A21, 0x0096, 0x0A08,
1029 0x03FE, 0x0B7F, 0x08B9, 0x12B3, 0x023E, 0x0A23, 0x029E, 0x08F1,
1030 0x01A9, 0x0BDE, 0x0843, 0x02D2, 0x0A1A, 0x08C5, 0x0151, 0x0A43,
1031 0x0332, 0x0383, 0x0826, 0x0BED, 0x10C2, 0x00AE, 0x0B82, 0x0213,
1032 0x0232, 0x085D, 0x02A1, 0x101B, 0x035F, 0x0303, 0x0A39, 0x0207,
1033 0x0A53, 0x0142, 0x01A5, 0x082A, 0x0099, 0x0A17, 0x03CF, 0x0906,
1034 0x0125, 0x0A96, 0x0A9A, 0x0209, 0x0393, 0x0961, 0x0131, 0x0A88,
1035 0x0139, 0x099A, 0x0292, 0x0272, 0x0862, 0x08BE, 0x0141, 0x02C3,
1036 0x0886, 0x0039, 0x08A9, 0x01A2, 0x01B1, 0x0851, 0x020B, 0x086D,
1037 0x0312, 0x08CD, 0x020F, 0x0311, 0x0BCE, 0x0135, 0x0006, 0x0849,
1038 0x0132, 0x0A8F, 0x022F, 0x022A, 0x0AAE, 0x0A8E, 0x0263, 0x03A2,
1039 0x083E, 0x009A, 0x021B, 0x0835, 0x0323, 0x0871, 0x0993, 0x0226,
1040 0x0302, 0x0922, 0x0119, 0x0222, 0x021D, 0x0B07, 0x08C9, 0x037E,
1041 0x08BD, 0x0042, 0x00D1, 0x0B33, 0x01C1, 0x0B9A, 0x0282, 0x088A,
1042 0x0182, 0x083D, 0x004D, 0x010A, 0x0A1E, 0x0019, 0x00B2, 0x0999,
1043 0x00A5, 0x0095, 0x0817, 0x0022, 0x031A, 0x0902, 0x00A3, 0x01BF,
1044 0x029F, 0x0816, 0x03B2, 0x0015, 0x0391, 0x0BBE, 0x01FE, 0x1129,
1045 0x002E, 0x01DF, 0x0301, 0x0033, 0x0B6E, 0x00E1, 0x0297, 0x00B1,
1046 0x009F, 0x0B16, 0x000A, 0x001A, 0x0052, 0x080B, 0x030B, 0x029D,
1047 0x0BAE, 0x01FD, 0x020E, 0x00A2, 0x0A3F, 0x0192, 0x0ABE, 0x020D,
1048 0x008F, 0x028B, 0x0083, 0x0025, 0x09EE, 0x01EF, 0x0029, 0x0291,
1049 0x0B4F, 0x0396, 0x0287, 0x008E, 0x0092, 0x0B4E, 0x017E, 0x001E,
1050 0x009E, 0x0103, 0x080F, 0x000E, 0x0113, 0x0203, 0x01CF, 0x0183,
1051 0x01CE, 0x001F, 0x0112, 0x01DE, 0x038E, 0x0832, 0x033E, 0x0212,
1052 0x029B, 0x0023, 0x016F, 0x0201, 0x09AF, 0x0202, 0x0281, 0x035E,
1053 0x034D, 0x037D, 0x03AD, 0x0013, 0x0093, 0x015F, 0x0211, 0x033F,
1054 0x036D, 0x039F, 0x03BD, 0x017F, 0x032E, 0x032F, 0x035D, 0x038F,
1055 0x039E
1056 };
1057
1058 static const uint16_t percentile_arr_12x12_1[246] {
1059 0x0443, 0xFFCD, 0x2C62, 0x2E21, 0x3CF1, 0x34C2, 0x4CDD, 0x2452,
1060 0xD5DF, 0x1DD1, 0x0FAE, 0x64A3, 0x0C7D, 0x3433, 0x1CD2, 0x2DEF,
1061 0x0C3E, 0x1D71, 0xA472, 0x0D32, 0x54B3, 0x4D51, 0x445D, 0x0E31,
1062 0x1FDD, 0x0DFF, 0x0CAE, 0x45A2, 0x2FBE, 0xA4B9, 0x1C4E, 0x2C9F,
1063 0x160D, 0x0D42, 0x342E, 0x074F, 0x1414, 0x0F6E, 0x0CB2, 0x34B5,
1064 0x0DFE, 0x0D86, 0x1496, 0x1D22, 0x0691, 0x140B, 0x041F, 0x0C35,
1065 0x1D93, 0x1506, 0x1439, 0x0C9A, 0x0F01, 0x2442, 0x0C8F, 0x04D1,
1066 0x1486, 0x0C6D, 0x0513, 0x0C71, 0x0E82, 0x177D, 0x0E03, 0x07BD,
1067 0x0C2F, 0x0D83, 0x07AF, 0x0D61, 0x1407, 0x0DB1, 0x050A, 0x0C94,
1068 0x07AD, 0x0D8A, 0x0C04, 0x0416, 0x0C49, 0x0445, 0x15C1, 0x0C1A,
1069 0x0525, 0x0595, 0x0C8A, 0x075E, 0x0CBD, 0x0681, 0x0F4E, 0x075F,
1070 0x061D, 0x1541, 0x0CB1, 0x0F3F, 0x0406, 0x076D, 0x0DCF, 0x05EE,
1071 0x0D23, 0x0599, 0x0CCD, 0x0711, 0x0C23, 0x079F, 0x0D15, 0x0585,
1072 0x04A2, 0x042A, 0x0D31, 0x05BF, 0x0D92, 0x0C26, 0x043D, 0x0C93,
1073 0x0502, 0x0C15, 0x048B, 0x0D03, 0x0613, 0x0516, 0x0495, 0x0C29,
1074 0x04A5, 0x040F, 0x0425, 0x0539, 0x0D19, 0x04E1, 0x05BE, 0x0422,
1075 0x0432, 0x0C0A, 0x0431, 0x041E, 0x0492, 0x04A9, 0x0582, 0x0529,
1076 0x0487, 0x0C4D, 0x0512, 0x049E, 0x0505, 0x0451, 0x0D7F, 0x0489,
1077 0x0602, 0x05DE, 0x0591, 0x0535, 0x074D, 0x055E, 0x04C1, 0x0612,
1078 0x05DD, 0x05FD, 0x0C61, 0x0521, 0x0484, 0x05CE, 0x0581, 0x0491,
1079 0x051A, 0x04A1, 0x048E, 0x040D, 0x0499, 0x071F, 0x072E, 0x075D,
1080 0x0441, 0x0589, 0x057E, 0x0CAD, 0x0501, 0x054F, 0x0692, 0x0511,
1081 0x049D, 0x0509, 0x056E, 0x040E, 0x0409, 0x0601, 0x048D, 0x0413,
1082 0x053E, 0x0419, 0x072D, 0x0408, 0x0485, 0x042D, 0x041D, 0x05A1,
1083 0x0781, 0x0402, 0x05ED, 0x0C82, 0x0403, 0x057D, 0x05CD, 0x0611,
1084 0x0488, 0x0411, 0x054E, 0x051F, 0x053F, 0x056F, 0x059F, 0x070F,
1085 0x071D, 0x073D, 0x073E, 0x077E, 0x078F, 0x0405, 0x079D, 0x079E,
1086 0x058E, 0x0412, 0x055D, 0x05AE, 0x041B, 0x0421, 0x0453, 0x0417,
1087 0x0483, 0x052E, 0x052F, 0x055F, 0x058F, 0x059E, 0x05AF, 0x05BD,
1088 0x060E, 0x0622, 0x0683, 0x068D, 0x0702, 0x070D, 0x070E, 0x071E,
1089 0x072F, 0x076F, 0x078D, 0x078E, 0x07BF, 0x07CE
1090 };
1091
1092 static const packed_percentile_table block_pcd_12x12 {
1093 12, 12,
1094 { 529, 246 },
1095 { 1435, 335 },
1096 { 0, 22 },
1097 { percentile_arr_12x12_0, percentile_arr_12x12_1 }
1098 };
1099 #endif
1100
1101 /**
1102 * @brief Fetch the packed percentile table for the given 2D block size.
1103 *
1104 * @param xdim The block x size.
1105 * @param ydim The block y size.
1106 *
1107 * @return The packed table.
1108 */
get_packed_table(int xdim,int ydim)1109 static const packed_percentile_table *get_packed_table(
1110 int xdim,
1111 int ydim
1112 ) {
1113 int idx = (ydim << 8) | xdim;
1114 switch (idx)
1115 {
1116 #if ASTCENC_BLOCK_MAX_TEXELS >= (4 * 4)
1117 case 0x0404: return &block_pcd_4x4;
1118 #endif
1119 #if ASTCENC_BLOCK_MAX_TEXELS >= (5 * 4)
1120 case 0x0405: return &block_pcd_5x4;
1121 #endif
1122 #if ASTCENC_BLOCK_MAX_TEXELS >= (5 * 5)
1123 case 0x0505: return &block_pcd_5x5;
1124 #endif
1125 #if ASTCENC_BLOCK_MAX_TEXELS >= (6 * 5)
1126 case 0x0506: return &block_pcd_6x5;
1127 #endif
1128 #if ASTCENC_BLOCK_MAX_TEXELS >= (6 * 6)
1129 case 0x0606: return &block_pcd_6x6;
1130 #endif
1131 #if ASTCENC_BLOCK_MAX_TEXELS >= (8 * 5)
1132 case 0x0508: return &block_pcd_8x5;
1133 #endif
1134 #if ASTCENC_BLOCK_MAX_TEXELS >= (8 * 6)
1135 case 0x0608: return &block_pcd_8x6;
1136 #endif
1137 #if ASTCENC_BLOCK_MAX_TEXELS >= (8 * 8)
1138 case 0x0808: return &block_pcd_8x8;
1139 #endif
1140 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 5)
1141 case 0x050A: return &block_pcd_10x5;
1142 #endif
1143 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 6)
1144 case 0x060A: return &block_pcd_10x6;
1145 #endif
1146 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 8)
1147 case 0x080A: return &block_pcd_10x8;
1148 #endif
1149 #if ASTCENC_BLOCK_MAX_TEXELS >= (10 * 10)
1150 case 0x0A0A: return &block_pcd_10x10;
1151 #endif
1152 #if ASTCENC_BLOCK_MAX_TEXELS >= (12 * 10)
1153 case 0x0A0C: return &block_pcd_12x10;
1154 #endif
1155 #if ASTCENC_BLOCK_MAX_TEXELS >= (12 * 12)
1156 case 0x0C0C: return &block_pcd_12x12;
1157 #endif
1158 }
1159
1160 // Should never hit this with a valid 2D block size
1161 return nullptr;
1162 }
1163
1164 /* See header for documentation. */
get_2d_percentile_table(unsigned int xdim,unsigned int ydim)1165 const float *get_2d_percentile_table(
1166 unsigned int xdim,
1167 unsigned int ydim
1168 ) {
1169 float* unpacked_table = new float[WEIGHTS_MAX_BLOCK_MODES];
1170 const packed_percentile_table *apt = get_packed_table(xdim, ydim);
1171
1172 // Set the default percentile
1173 for (unsigned int i = 0; i < WEIGHTS_MAX_BLOCK_MODES; i++)
1174 {
1175 unpacked_table[i] = 1.0f;
1176 }
1177
1178 // Populate the unpacked percentile values
1179 for (int i = 0; i < 2; i++)
1180 {
1181 unsigned int itemcount = apt->item_count[i];
1182 unsigned int difscale = apt->difscales[i];
1183 unsigned int accum = apt->initial_percs[i];
1184 const uint16_t *item_ptr = apt->items[i];
1185
1186 for (unsigned int j = 0; j < itemcount; j++)
1187 {
1188 uint16_t item = item_ptr[j];
1189 unsigned int idx = item & 0x7FF;
1190 unsigned int weight = (item >> 11) & 0x1F;
1191 accum += weight;
1192 unpacked_table[idx] = static_cast<float>(accum) / static_cast<float>(difscale);
1193 }
1194 }
1195
1196 return unpacked_table;
1197 }
1198 #endif
1199
1200 /* See header for documentation. */
is_legal_2d_block_size(unsigned int xdim,unsigned int ydim)1201 bool is_legal_2d_block_size(
1202 unsigned int xdim,
1203 unsigned int ydim
1204 ) {
1205 unsigned int idx = (xdim << 8) | ydim;
1206 switch (idx)
1207 {
1208 case 0x0404:
1209 case 0x0504:
1210 case 0x0505:
1211 case 0x0605:
1212 case 0x0606:
1213 case 0x0805:
1214 case 0x0806:
1215 case 0x0808:
1216 case 0x0A05:
1217 case 0x0A06:
1218 case 0x0A08:
1219 case 0x0A0A:
1220 case 0x0C0A:
1221 case 0x0C0C:
1222 return true;
1223 }
1224
1225 return false;
1226 }
1227
1228 /* See header for documentation. */
is_legal_3d_block_size(unsigned int xdim,unsigned int ydim,unsigned int zdim)1229 bool is_legal_3d_block_size(
1230 unsigned int xdim,
1231 unsigned int ydim,
1232 unsigned int zdim
1233 ) {
1234 unsigned int idx = (xdim << 16) | (ydim << 8) | zdim;
1235 switch (idx)
1236 {
1237 case 0x030303:
1238 case 0x040303:
1239 case 0x040403:
1240 case 0x040404:
1241 case 0x050404:
1242 case 0x050504:
1243 case 0x050505:
1244 case 0x060505:
1245 case 0x060605:
1246 case 0x060606:
1247 return true;
1248 }
1249
1250 return false;
1251 }
1252