Chia-I Wu | b5a1add | 2014-08-16 12:46:32 +0800 | [diff] [blame] | 1 | /* |
Chia-I Wu | 44e4236 | 2014-09-02 08:32:09 +0800 | [diff] [blame] | 2 | * XGL |
Chia-I Wu | b5a1add | 2014-08-16 12:46:32 +0800 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2014 LunarG, Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included |
| 14 | * in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 22 | * DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: |
| 25 | * Chia-I Wu <olv@lunarg.com> |
| 26 | */ |
| 27 | |
Chia-I Wu | 92096a9 | 2014-12-21 23:07:08 +0800 | [diff] [blame] | 28 | #include <string.h> /* for memcpy */ |
| 29 | #include "icd-utils.h" |
Chia-I Wu | b5a1add | 2014-08-16 12:46:32 +0800 | [diff] [blame] | 30 | #include "icd-format.h" |
| 31 | |
| 32 | static const struct icd_format_info { |
| 33 | XGL_SIZE size; |
Chia-I Wu | 40ee55b | 2014-10-08 09:12:58 +0800 | [diff] [blame] | 34 | XGL_UINT channel_count; |
Chia-I Wu | b5a1add | 2014-08-16 12:46:32 +0800 | [diff] [blame] | 35 | } icd_format_table[XGL_MAX_CH_FMT + 1] = { |
Chia-I Wu | 40ee55b | 2014-10-08 09:12:58 +0800 | [diff] [blame] | 36 | [XGL_CH_FMT_UNDEFINED] = { 0, 0 }, |
| 37 | [XGL_CH_FMT_R4G4] = { 1, 2 }, |
| 38 | [XGL_CH_FMT_R4G4B4A4] = { 2, 4 }, |
| 39 | [XGL_CH_FMT_R5G6B5] = { 2, 3 }, |
| 40 | [XGL_CH_FMT_B5G6R5] = { 2, 3 }, |
| 41 | [XGL_CH_FMT_R5G5B5A1] = { 2, 4 }, |
| 42 | [XGL_CH_FMT_R8] = { 1, 1 }, |
| 43 | [XGL_CH_FMT_R8G8] = { 2, 2 }, |
| 44 | [XGL_CH_FMT_R8G8B8A8] = { 4, 4 }, |
| 45 | [XGL_CH_FMT_B8G8R8A8] = { 4, 4 }, |
| 46 | [XGL_CH_FMT_R10G11B11] = { 4, 3 }, |
| 47 | [XGL_CH_FMT_R11G11B10] = { 4, 3 }, |
| 48 | [XGL_CH_FMT_R10G10B10A2] = { 4, 4 }, |
| 49 | [XGL_CH_FMT_R16] = { 2, 1 }, |
| 50 | [XGL_CH_FMT_R16G16] = { 4, 2 }, |
| 51 | [XGL_CH_FMT_R16G16B16A16] = { 8, 4 }, |
| 52 | [XGL_CH_FMT_R32] = { 4, 1 }, |
| 53 | [XGL_CH_FMT_R32G32] = { 8, 2 }, |
| 54 | [XGL_CH_FMT_R32G32B32] = { 12, 3 }, |
| 55 | [XGL_CH_FMT_R32G32B32A32] = { 16, 4 }, |
| 56 | [XGL_CH_FMT_R16G8] = { 3, 2 }, |
| 57 | [XGL_CH_FMT_R32G8] = { 5, 2 }, |
| 58 | [XGL_CH_FMT_R9G9B9E5] = { 4, 3 }, |
| 59 | [XGL_CH_FMT_BC1] = { 8, 4 }, |
| 60 | [XGL_CH_FMT_BC2] = { 16, 4 }, |
| 61 | [XGL_CH_FMT_BC3] = { 16, 4 }, |
| 62 | [XGL_CH_FMT_BC4] = { 8, 4 }, |
| 63 | [XGL_CH_FMT_BC5] = { 16, 4 }, |
| 64 | [XGL_CH_FMT_BC6U] = { 16, 4 }, |
| 65 | [XGL_CH_FMT_BC6S] = { 16, 4 }, |
| 66 | [XGL_CH_FMT_BC7] = { 16, 4 }, |
Chia-I Wu | c581bd5 | 2015-01-18 14:51:02 +0800 | [diff] [blame^] | 67 | [XGL_CH_FMT_R8G8B8] = { 3, 3 }, |
| 68 | [XGL_CH_FMT_R16G16B16] = { 6, 3 }, |
| 69 | [XGL_CH_FMT_B10G10R10A2] = { 4, 4 }, |
| 70 | [XGL_CH_FMT_R64] = { 8, 1 }, |
| 71 | [XGL_CH_FMT_R64G64] = { 16, 2 }, |
| 72 | [XGL_CH_FMT_R64G64B64] = { 24, 3 }, |
| 73 | [XGL_CH_FMT_R64G64B64A64] = { 32, 4 }, |
Chia-I Wu | b5a1add | 2014-08-16 12:46:32 +0800 | [diff] [blame] | 74 | }; |
| 75 | |
Chia-I Wu | 54ed079 | 2014-12-27 14:14:50 +0800 | [diff] [blame] | 76 | size_t icd_format_get_size(XGL_FORMAT format) |
Chia-I Wu | b5a1add | 2014-08-16 12:46:32 +0800 | [diff] [blame] | 77 | { |
| 78 | return icd_format_table[format.channelFormat].size; |
| 79 | } |
Chia-I Wu | 40ee55b | 2014-10-08 09:12:58 +0800 | [diff] [blame] | 80 | |
| 81 | unsigned int icd_format_get_channel_count(XGL_FORMAT format) |
| 82 | { |
| 83 | return icd_format_table[format.channelFormat].channel_count; |
| 84 | } |
Chia-I Wu | 92096a9 | 2014-12-21 23:07:08 +0800 | [diff] [blame] | 85 | |
| 86 | /** |
| 87 | * Convert a raw RGBA color to a raw value. \p value must have at least |
| 88 | * icd_format_get_size(format) bytes. |
| 89 | */ |
| 90 | void icd_format_get_raw_value(XGL_FORMAT format, |
| 91 | const XGL_UINT32 color[4], |
| 92 | void *value) |
| 93 | { |
| 94 | /* assume little-endian */ |
| 95 | switch (format.channelFormat) { |
| 96 | case XGL_CH_FMT_UNDEFINED: |
| 97 | break; |
| 98 | case XGL_CH_FMT_R4G4: |
| 99 | ((uint8_t *) value)[0] = (color[0] & 0xf) << 0 | |
| 100 | (color[1] & 0xf) << 4; |
| 101 | break; |
| 102 | case XGL_CH_FMT_R4G4B4A4: |
| 103 | ((uint16_t *) value)[0] = (color[0] & 0xf) << 0 | |
| 104 | (color[1] & 0xf) << 4 | |
| 105 | (color[2] & 0xf) << 8 | |
| 106 | (color[3] & 0xf) << 12; |
| 107 | break; |
| 108 | case XGL_CH_FMT_R5G6B5: |
| 109 | ((uint16_t *) value)[0] = (color[0] & 0x1f) << 0 | |
| 110 | (color[1] & 0x3f) << 5 | |
| 111 | (color[2] & 0x1f) << 11; |
| 112 | break; |
| 113 | case XGL_CH_FMT_B5G6R5: |
| 114 | ((uint16_t *) value)[0] = (color[2] & 0x1f) << 0 | |
| 115 | (color[1] & 0x3f) << 5 | |
| 116 | (color[0] & 0x1f) << 11; |
| 117 | break; |
| 118 | case XGL_CH_FMT_R5G5B5A1: |
| 119 | ((uint16_t *) value)[0] = (color[0] & 0x1f) << 0 | |
| 120 | (color[1] & 0x1f) << 5 | |
| 121 | (color[2] & 0x1f) << 10 | |
| 122 | (color[3] & 0x1) << 15; |
| 123 | break; |
| 124 | case XGL_CH_FMT_R8: |
| 125 | ((uint8_t *) value)[0] = (uint8_t) color[0]; |
| 126 | break; |
| 127 | case XGL_CH_FMT_R8G8: |
| 128 | ((uint8_t *) value)[0] = (uint8_t) color[0]; |
| 129 | ((uint8_t *) value)[1] = (uint8_t) color[1]; |
| 130 | break; |
| 131 | case XGL_CH_FMT_R8G8B8A8: |
| 132 | ((uint8_t *) value)[0] = (uint8_t) color[0]; |
| 133 | ((uint8_t *) value)[1] = (uint8_t) color[1]; |
| 134 | ((uint8_t *) value)[2] = (uint8_t) color[2]; |
| 135 | ((uint8_t *) value)[3] = (uint8_t) color[3]; |
| 136 | break; |
| 137 | case XGL_CH_FMT_B8G8R8A8: |
| 138 | ((uint8_t *) value)[0] = (uint8_t) color[2]; |
| 139 | ((uint8_t *) value)[1] = (uint8_t) color[1]; |
| 140 | ((uint8_t *) value)[2] = (uint8_t) color[0]; |
| 141 | ((uint8_t *) value)[3] = (uint8_t) color[3]; |
| 142 | break; |
| 143 | case XGL_CH_FMT_R10G11B11: |
| 144 | ((uint32_t *) value)[0] = (color[0] & 0x3ff) << 0 | |
| 145 | (color[1] & 0x7ff) << 10 | |
| 146 | (color[2] & 0x7ff) << 21; |
| 147 | break; |
| 148 | case XGL_CH_FMT_R11G11B10: |
| 149 | ((uint32_t *) value)[0] = (color[0] & 0x7ff) << 0 | |
| 150 | (color[1] & 0x7ff) << 11 | |
| 151 | (color[2] & 0x3ff) << 22; |
| 152 | break; |
| 153 | case XGL_CH_FMT_R10G10B10A2: |
| 154 | ((uint32_t *) value)[0] = (color[0] & 0x3ff) << 0 | |
| 155 | (color[1] & 0x3ff) << 10 | |
| 156 | (color[2] & 0x3ff) << 20 | |
| 157 | (color[3] & 0x3) << 30; |
| 158 | break; |
| 159 | case XGL_CH_FMT_R16: |
| 160 | ((uint16_t *) value)[0] = (uint16_t) color[0]; |
| 161 | break; |
| 162 | case XGL_CH_FMT_R16G16: |
| 163 | ((uint16_t *) value)[0] = (uint16_t) color[0]; |
| 164 | ((uint16_t *) value)[1] = (uint16_t) color[1]; |
| 165 | break; |
| 166 | case XGL_CH_FMT_R16G16B16A16: |
| 167 | ((uint16_t *) value)[0] = (uint16_t) color[0]; |
| 168 | ((uint16_t *) value)[1] = (uint16_t) color[1]; |
| 169 | ((uint16_t *) value)[2] = (uint16_t) color[2]; |
| 170 | ((uint16_t *) value)[3] = (uint16_t) color[3]; |
| 171 | break; |
| 172 | case XGL_CH_FMT_R32: |
| 173 | ((uint32_t *) value)[0] = color[0]; |
| 174 | break; |
| 175 | case XGL_CH_FMT_R32G32: |
| 176 | ((uint32_t *) value)[0] = color[0]; |
| 177 | ((uint32_t *) value)[1] = color[1]; |
| 178 | break; |
| 179 | case XGL_CH_FMT_R32G32B32: |
| 180 | ((uint32_t *) value)[0] = color[0]; |
| 181 | ((uint32_t *) value)[1] = color[1]; |
| 182 | ((uint32_t *) value)[2] = color[2]; |
| 183 | break; |
| 184 | case XGL_CH_FMT_R32G32B32A32: |
| 185 | ((uint32_t *) value)[0] = color[0]; |
| 186 | ((uint32_t *) value)[1] = color[1]; |
| 187 | ((uint32_t *) value)[2] = color[2]; |
| 188 | ((uint32_t *) value)[3] = color[3]; |
| 189 | break; |
| 190 | case XGL_CH_FMT_R16G8: |
| 191 | ((uint16_t *) value)[0] = (uint16_t) color[0]; |
| 192 | ((char *) value)[2] = (uint8_t) color[1]; |
| 193 | break; |
| 194 | case XGL_CH_FMT_R32G8: |
| 195 | ((uint32_t *) value)[0] = (uint32_t) color[0]; |
| 196 | ((char *) value)[4] = (uint8_t) color[1]; |
| 197 | break; |
| 198 | case XGL_CH_FMT_R9G9B9E5: |
| 199 | ((uint32_t *) value)[0] = (color[0] & 0x1ff) << 0 | |
| 200 | (color[1] & 0x1ff) << 9 | |
| 201 | (color[2] & 0x1ff) << 18 | |
| 202 | (color[3] & 0x1f) << 27; |
| 203 | break; |
| 204 | case XGL_CH_FMT_BC1: |
| 205 | case XGL_CH_FMT_BC4: |
| 206 | memcpy(value, color, 8); |
| 207 | break; |
| 208 | case XGL_CH_FMT_BC2: |
| 209 | case XGL_CH_FMT_BC3: |
| 210 | case XGL_CH_FMT_BC5: |
| 211 | case XGL_CH_FMT_BC6U: |
| 212 | case XGL_CH_FMT_BC6S: |
| 213 | case XGL_CH_FMT_BC7: |
| 214 | memcpy(value, color, 16); |
| 215 | break; |
Chia-I Wu | c581bd5 | 2015-01-18 14:51:02 +0800 | [diff] [blame^] | 216 | case XGL_CH_FMT_R8G8B8: |
| 217 | ((uint8_t *) value)[0] = (uint8_t) color[0]; |
| 218 | ((uint8_t *) value)[1] = (uint8_t) color[1]; |
| 219 | ((uint8_t *) value)[2] = (uint8_t) color[2]; |
| 220 | break; |
| 221 | case XGL_CH_FMT_R16G16B16: |
| 222 | ((uint16_t *) value)[0] = (uint16_t) color[0]; |
| 223 | ((uint16_t *) value)[1] = (uint16_t) color[1]; |
| 224 | ((uint16_t *) value)[2] = (uint16_t) color[2]; |
| 225 | break; |
| 226 | case XGL_CH_FMT_B10G10R10A2: |
| 227 | ((uint32_t *) value)[0] = (color[2] & 0x3ff) << 0 | |
| 228 | (color[1] & 0x3ff) << 10 | |
| 229 | (color[0] & 0x3ff) << 20 | |
| 230 | (color[3] & 0x3) << 30; |
| 231 | break; |
| 232 | case XGL_CH_FMT_R64: |
| 233 | /* higher 32 bits always 0 */ |
| 234 | ((uint64_t *) value)[0] = color[0]; |
| 235 | break; |
| 236 | case XGL_CH_FMT_R64G64: |
| 237 | ((uint64_t *) value)[0] = color[0]; |
| 238 | ((uint64_t *) value)[1] = color[1]; |
| 239 | break; |
| 240 | case XGL_CH_FMT_R64G64B64: |
| 241 | ((uint64_t *) value)[0] = color[0]; |
| 242 | ((uint64_t *) value)[1] = color[1]; |
| 243 | ((uint64_t *) value)[2] = color[2]; |
| 244 | break; |
| 245 | case XGL_CH_FMT_R64G64B64A64: |
| 246 | ((uint64_t *) value)[0] = color[0]; |
| 247 | ((uint64_t *) value)[1] = color[1]; |
| 248 | ((uint64_t *) value)[2] = color[2]; |
| 249 | ((uint64_t *) value)[3] = color[3]; |
| 250 | break; |
Chia-I Wu | 92096a9 | 2014-12-21 23:07:08 +0800 | [diff] [blame] | 251 | default: |
| 252 | assert(!"unknown format"); |
| 253 | break; |
| 254 | } |
| 255 | } |