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 */
32struct 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)
54static 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
65static 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
79static 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)
89static 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
104static 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
120static 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)
130static 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
150static 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
169static 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)
179static 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
203static 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
225static 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)
235static 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
264static 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
288static 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)
298static 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
330static 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
354static 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)
364static 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
402static 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
429static 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)
439static 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
486static 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
515static 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)
525static 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
563static 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
589static 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)
599static 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
643static 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
671static 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)
681static 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
734static 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
765static 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)
776static 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
836static 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
869static 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)
879static 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
944static 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
977static 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)
988static 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
1058static 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
1092static 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 */
1109static 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. */
1165const 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. */
1201bool 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. */
1229bool 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