1 /* 2 * Copyright 2007-2014, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 7 #include <create_display_modes.h> 8 9 #include <math.h> 10 #include <stdlib.h> 11 #include <string.h> 12 13 #include <compute_display_timing.h> 14 #include <video_overlay.h> 15 16 17 #define POSITIVE_SYNC \ 18 (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC) 19 #define MODE_FLAGS \ 20 (B_8_BIT_DAC | B_HARDWARE_CURSOR | B_PARALLEL_ACCESS | B_DPMS \ 21 | B_SUPPORTS_OVERLAYS) 22 23 // TODO: move this list into the app_server 24 static const display_mode kBaseModeList[] = { 25 {{25175, 640, 656, 752, 800, 350, 387, 389, 449, B_POSITIVE_HSYNC}, B_CMAP8, 640, 350, 0, 0, MODE_FLAGS}, /* 640x350 - www.epanorama.net/documents/pc/vga_timing.html) */ 26 27 {{25175, 640, 656, 752, 800, 400, 412, 414, 449, B_POSITIVE_VSYNC}, B_CMAP8, 640, 400, 0, 0, MODE_FLAGS}, /* 640x400 - www.epanorama.net/documents/pc/vga_timing.html) */ 28 29 {{25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 30 {{31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 31 {{31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 32 {{36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 33 34 {{29580, 800, 816, 896, 992, 480, 481, 484, 497, B_POSITIVE_VSYNC}, B_CMAP8, 800, 480, 0, 0, MODE_FLAGS}, /* 800x480x60Hz */ 35 36 {{38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ 37 {{40000, 800, 840, 968, 1056, 600, 601, 605, 628, POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X600X8.Z1) */ 38 {{49500, 800, 816, 896, 1056, 600, 601, 604, 625, POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(800X600X8.Z1) */ 39 {{50000, 800, 856, 976, 1040, 600, 637, 643, 666, POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(800X600X8.Z1) */ 40 {{56250, 800, 832, 896, 1048, 600, 601, 604, 631, POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(800X600X8.Z1) */ 41 42 {{65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) */ 43 {{75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(1024X768X8.Z1) */ 44 {{78750, 1024, 1040, 1136, 1312, 768, 769, 772, 800, POSITIVE_SYNC}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1024X768X8.Z1) */ 45 {{94500, 1024, 1072, 1168, 1376, 768, 769, 772, 808, POSITIVE_SYNC}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1024X768X8.Z1) */ 46 47 {{81640, 1152, 1216, 1336, 1520, 864, 865, 868, 895, POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* 1152x864x60Hz */ 48 {{94200, 1152, 1184, 1280, 1472, 864, 865, 868, 914, POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1152X864X8.Z1) */ 49 {{108000, 1152, 1216, 1344, 1600, 864, 865, 868, 900, POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1152X864X8.Z1) */ 50 {{121500, 1152, 1216, 1344, 1568, 864, 865, 868, 911, POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1152X864X8.Z1) */ 51 52 {{74520, 1280, 1368, 1424, 1656, 720, 724, 730, 750, POSITIVE_SYNC}, B_CMAP8, 1280, 720, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X720) */ 53 54 {{83460, 1280, 1344, 1480, 1680, 800, 801, 804, 828, B_POSITIVE_VSYNC}, B_CMAP8, 1280, 800, 0, 0, MODE_FLAGS}, /* WXGA (1280x800x60) */ 55 56 {{108000, 1280, 1328, 1440, 1688, 1024, 1025, 1028, 1066, POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X1024X8.Z1) */ 57 {{135000, 1280, 1296, 1440, 1688, 1024, 1025, 1028, 1066, POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1280X1024X8.Z1) */ 58 {{157500, 1280, 1344, 1504, 1728, 1024, 1025, 1028, 1072, POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1280X1024X8.Z1) */ 59 60 {{149400, 1366, 1494, 1624, 1798, 768, 770, 776, 795, POSITIVE_SYNC}, B_CMAP8, 1366, 768, 0, 0, MODE_FLAGS}, /* 1366x768 60Hz */ 61 62 {{122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ 63 {{155800, 1400, 1464, 1784, 1912, 1050, 1052, 1064, 1090, POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1400X1050) */ 64 65 {{106500, 1440, 1520, 1672, 1904, 900, 901, 904, 932, POSITIVE_SYNC}, B_CMAP8, 1440, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1440X900) */ 66 67 {{120420, 1600, 1632, 2088, 2120, 900, 918, 927, 946, POSITIVE_SYNC}, B_CMAP8, 1600, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1600X900) */ 68 69 {{162000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1600X1200X8.Z1) */ 70 {{175500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@65Hz_(1600X1200X8.Z1) */ 71 {{189000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1600X1200X8.Z1) */ 72 {{202500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1600X1200X8.Z1) */ 73 {{216000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@80Hz_(1600X1200X8.Z1) */ 74 {{229500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1600X1200X8.Z1) */ 75 76 {{147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */ 77 78 {{172000, 1920, 2040, 2248, 2576, 1080, 1081, 1084, 1118, POSITIVE_SYNC}, B_CMAP8, 1920, 1080, 0, 0, MODE_FLAGS}, /* 1920x1080 60Hz */ 79 //{{160000, 1920, 2010, 2060, 2110, 1200, 1202, 1208, 1235, POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 80 {{193160, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 81 }; 82 static const uint32 kNumBaseModes = sizeof(kBaseModeList) / sizeof(display_mode); 83 84 85 namespace BPrivate { 86 87 class ModeList { 88 public: 89 ModeList(); 90 ~ModeList(); 91 92 bool AddModes(edid1_info* info); 93 bool AddModes(const display_mode* modes, 94 uint32 count); 95 96 bool CreateColorSpaces(const color_space* spaces, 97 uint32 count); 98 void Filter(check_display_mode_hook hook); 99 void Clean(); 100 101 const display_mode* Modes() const { return fModes; } 102 uint32 Count() const { return fCount; } 103 104 private: 105 bool _MakeSpace(uint32 count); 106 bool _AddMode(const display_mode& mode); 107 void _RemoveModeAt(uint32 index); 108 void _AddBaseMode(uint16 width, uint16 height, 109 uint32 refresh); 110 display_mode* _FindMode(uint16 width, uint16 height) const; 111 112 private: 113 display_mode* fModes; 114 uint32 fCount; 115 uint32 fCapacity; 116 }; 117 118 } // namespace BPrivate 119 120 using namespace BPrivate; 121 122 123 static float 124 get_refresh_rate(const display_mode& mode) 125 { 126 return float(mode.timing.pixel_clock * 1000) 127 / float(mode.timing.h_total * mode.timing.v_total); 128 } 129 130 131 static int 132 compare_mode(const void* _mode1, const void* _mode2) 133 { 134 display_mode *mode1 = (display_mode *)_mode1; 135 display_mode *mode2 = (display_mode *)_mode2; 136 uint16 width1, width2, height1, height2; 137 138 width1 = mode1->virtual_width; 139 height1 = mode1->virtual_height; 140 width2 = mode2->virtual_width; 141 height2 = mode2->virtual_height; 142 143 if (width1 != width2) 144 return width1 - width2; 145 146 if (height1 != height2) 147 return height1 - height2; 148 149 if (mode1->space != mode2->space) 150 return mode1->space - mode2->space; 151 152 return (int)(100 * (get_refresh_rate(*mode1) - get_refresh_rate(*mode2))); 153 } 154 155 156 // #pragma mark - 157 158 159 ModeList::ModeList() 160 : 161 fModes(NULL), 162 fCount(0), 163 fCapacity(0) 164 { 165 } 166 167 168 ModeList::~ModeList() 169 { 170 free(fModes); 171 } 172 173 174 bool 175 ModeList::AddModes(edid1_info* info) 176 { 177 if (info->established_timing.res_720x400x70) 178 _AddBaseMode(720, 400, 70); 179 if (info->established_timing.res_720x400x88) 180 _AddBaseMode(720, 400, 88); 181 182 if (info->established_timing.res_640x480x60) 183 _AddBaseMode(640, 480, 60); 184 if (info->established_timing.res_640x480x67) 185 _AddBaseMode(640, 480, 67); 186 if (info->established_timing.res_640x480x72) 187 _AddBaseMode(640, 480, 72); 188 if (info->established_timing.res_640x480x75) 189 _AddBaseMode(640, 480, 75); 190 191 if (info->established_timing.res_800x600x56) 192 _AddBaseMode(800, 600, 56); 193 if (info->established_timing.res_800x600x60) 194 _AddBaseMode(800, 600, 60); 195 if (info->established_timing.res_800x600x72) 196 _AddBaseMode(800, 600, 72); 197 if (info->established_timing.res_800x600x75) 198 _AddBaseMode(800, 600, 75); 199 200 #if 0 201 if (info->established_timing.res_832x624x75) 202 _AddBaseMode(832, 624, 75); 203 204 if (info->established_timing.res_1024x768x87i) 205 _AddBaseMode(1024, 768, 87); 206 #endif 207 if (info->established_timing.res_1024x768x60) 208 _AddBaseMode(1024, 768, 60); 209 if (info->established_timing.res_1024x768x70) 210 _AddBaseMode(1024, 768, 70); 211 if (info->established_timing.res_1024x768x75) 212 _AddBaseMode(1024, 768, 75); 213 214 if (info->established_timing.res_1152x870x75) 215 _AddBaseMode(1152, 870, 75); 216 if (info->established_timing.res_1280x1024x75) 217 _AddBaseMode(1280, 1024, 75); 218 219 for (uint32 i = 0; i < EDID1_NUM_STD_TIMING; ++i) { 220 if (info->std_timing[i].h_size <= 256) 221 continue; 222 223 _AddBaseMode(info->std_timing[i].h_size, info->std_timing[i].v_size, 224 info->std_timing[i].refresh); 225 } 226 227 bool hasRanges = false; 228 uint32 minHorizontalFrequency = 0; 229 uint32 maxHorizontalFrequency = 0; 230 uint32 minVerticalFrequency = 0; 231 uint32 maxVerticalFrequency = 0; 232 uint32 maxPixelClock = 0; 233 234 for (uint32 i = 0; i < EDID1_NUM_DETAILED_MONITOR_DESC; ++i) { 235 if (info->detailed_monitor[i].monitor_desc_type 236 == EDID1_MONITOR_RANGES) { 237 edid1_monitor_range& range 238 = info->detailed_monitor[i].data.monitor_range; 239 240 hasRanges = true; 241 minHorizontalFrequency = range.min_h; 242 maxHorizontalFrequency = range.max_h; 243 minVerticalFrequency = range.min_v; 244 maxVerticalFrequency = range.max_v; 245 maxPixelClock = range.max_clock * 10000; 246 continue; 247 } else if (info->detailed_monitor[i].monitor_desc_type 248 != EDID1_IS_DETAILED_TIMING) 249 continue; 250 251 // TODO: handle flags correctly! 252 const edid1_detailed_timing& timing 253 = info->detailed_monitor[i].data.detailed_timing; 254 display_mode mode; 255 256 if (timing.pixel_clock <= 0/* || timing.sync != 3*/) 257 continue; 258 259 mode.timing.pixel_clock = timing.pixel_clock * 10; 260 mode.timing.h_display = timing.h_active; 261 mode.timing.h_sync_start = timing.h_active + timing.h_sync_off; 262 mode.timing.h_sync_end = mode.timing.h_sync_start + timing.h_sync_width; 263 mode.timing.h_total = timing.h_active + timing.h_blank; 264 mode.timing.v_display = timing.v_active; 265 mode.timing.v_sync_start = timing.v_active + timing.v_sync_off; 266 mode.timing.v_sync_end = mode.timing.v_sync_start + timing.v_sync_width; 267 mode.timing.v_total = timing.v_active + timing.v_blank; 268 mode.timing.flags = 0; 269 if (timing.sync == 3) { 270 if (timing.misc & 1) 271 mode.timing.flags |= B_POSITIVE_HSYNC; 272 if (timing.misc & 2) 273 mode.timing.flags |= B_POSITIVE_VSYNC; 274 } 275 if (timing.interlaced) 276 mode.timing.flags |= B_TIMING_INTERLACED; 277 mode.space = B_RGB32; 278 mode.virtual_width = timing.h_active; 279 mode.virtual_height = timing.v_active; 280 mode.h_display_start = 0; 281 mode.v_display_start = 0; 282 mode.flags = MODE_FLAGS; 283 284 _AddMode(mode); 285 } 286 287 // Add other modes from the base list that satisfy the display's 288 // requirements 289 290 for (uint32 i = 0; i < kNumBaseModes; i++) { 291 const display_mode& mode = kBaseModeList[i]; 292 293 // Check if a mode with this resolution already exists 294 295 if (_FindMode(mode.timing.h_display, mode.timing.v_display) != NULL) 296 continue; 297 298 // Check monitor limits 299 300 if (hasRanges) { 301 uint32 verticalFrequency = 1000 * mode.timing.pixel_clock 302 / (mode.timing.h_total * mode.timing.v_total); 303 uint32 horizontalFrequency = mode.timing.h_total * verticalFrequency 304 / 1000; 305 306 if (minHorizontalFrequency > horizontalFrequency 307 || maxHorizontalFrequency < horizontalFrequency 308 || minVerticalFrequency > verticalFrequency 309 || maxVerticalFrequency < verticalFrequency 310 || maxPixelClock < mode.timing.pixel_clock) 311 continue; 312 } 313 314 _AddMode(mode); 315 } 316 317 return true; 318 } 319 320 321 bool 322 ModeList::AddModes(const display_mode* modes, uint32 count) 323 { 324 if (!_MakeSpace(count)) 325 return false; 326 327 for (uint32 i = 0; i < count; i++) { 328 fModes[fCount++] = modes[i]; 329 } 330 331 return true; 332 } 333 334 335 bool 336 ModeList::CreateColorSpaces(const color_space* spaces, uint32 count) 337 { 338 uint32 baseModeCount = fCount; 339 size_t baseModesSize = baseModeCount * sizeof(display_mode); 340 display_mode* baseModes = (display_mode*)malloc(baseModesSize); 341 if (baseModes == NULL) 342 return false; 343 344 memcpy(baseModes, fModes, baseModesSize); 345 346 for (uint32 i = 0; i < count; i++) { 347 if (i > 0 && !AddModes(baseModes, baseModeCount)) { 348 free(baseModes); 349 return false; 350 } 351 352 for (uint32 j = 0; j < baseModeCount; j++) { 353 fModes[j + fCount - baseModeCount].space = spaces[i]; 354 } 355 } 356 357 free(baseModes); 358 return true; 359 } 360 361 362 void 363 ModeList::Filter(check_display_mode_hook hook) 364 { 365 if (hook == NULL) 366 return; 367 368 for (uint32 i = fCount; i-- > 0;) { 369 if (!hook(&fModes[i])) 370 _RemoveModeAt(i); 371 } 372 } 373 374 375 void 376 ModeList::Clean() 377 { 378 // sort mode list 379 qsort(fModes, fCount, sizeof(display_mode), compare_mode); 380 381 // remove duplicates 382 for (uint32 i = fCount; i-- > 1;) { 383 if (compare_mode(&fModes[i], &fModes[i - 1]) == 0) 384 _RemoveModeAt(i); 385 } 386 } 387 388 389 void 390 ModeList::_AddBaseMode(uint16 width, uint16 height, uint32 refresh) 391 { 392 // Check the manually tweaked list first 393 394 for (uint32 i = 0; i < kNumBaseModes; i++) { 395 const display_mode& mode = kBaseModeList[i]; 396 397 // Add mode if width and height match, and the computed refresh rate of 398 // the mode is within 1.2 percent of the refresh rate specified by the 399 // caller. Note that refresh rates computed from mode parameters is 400 // not exact; thus, the tolerance of 1.2% was obtained by testing the 401 // various established modes that can be selected by the EDID info. 402 403 if (mode.timing.h_display == width && mode.timing.v_display == height 404 && fabs(get_refresh_rate(mode) - refresh) < refresh * 0.012) { 405 _AddMode(mode); 406 return; 407 } 408 } 409 410 // If that didn't have any entries, compute the entry 411 display_mode mode; 412 if (compute_display_timing(width, height, refresh, false, &mode.timing) 413 != B_OK) 414 return; 415 416 fill_display_mode(width, height, &mode); 417 418 _AddMode(mode); 419 } 420 421 422 display_mode* 423 ModeList::_FindMode(uint16 width, uint16 height) const 424 { 425 for (uint32 i = 0; i < fCount; i++) { 426 const display_mode& mode = fModes[i]; 427 428 if (mode.timing.h_display == width && mode.timing.v_display == height) 429 return &fModes[i]; 430 } 431 432 return NULL; 433 } 434 435 436 bool 437 ModeList::_MakeSpace(uint32 count) 438 { 439 if (fCount + count <= fCapacity) 440 return true; 441 442 uint32 capacity = (fCapacity + count + 0xf) & ~0xf; 443 display_mode* modes = (display_mode*)realloc(fModes, 444 capacity * sizeof(display_mode)); 445 if (modes == NULL) 446 return false; 447 448 fModes = modes; 449 fCapacity = capacity; 450 return true; 451 } 452 453 454 bool 455 ModeList::_AddMode(const display_mode& mode) 456 { 457 // TODO: filter by monitor timing constraints! 458 // TODO: remove double entries 459 if (!_MakeSpace(1)) 460 return false; 461 462 fModes[fCount++] = mode; 463 return true; 464 } 465 466 467 void 468 ModeList::_RemoveModeAt(uint32 index) 469 { 470 if (index < fCount - 1) { 471 memmove(&fModes[index], &fModes[index + 1], 472 (fCount - 1 - index) * sizeof(display_mode)); 473 } 474 475 fCount--; 476 } 477 478 479 // #pragma mark - 480 481 482 extern "C" area_id 483 create_display_modes(const char* name, edid1_info* edid, 484 const display_mode* initialModes, uint32 initialModeCount, 485 const color_space *spaces, uint32 spacesCount, 486 check_display_mode_hook hook, display_mode** _modes, uint32* _count) 487 { 488 if (_modes == NULL || _count == NULL) 489 return B_BAD_VALUE; 490 491 // compile initial mode list from the different sources 492 493 ModeList modes; 494 if (initialModes != NULL) 495 modes.AddModes(initialModes, initialModeCount); 496 497 if (edid != NULL) 498 modes.AddModes(edid); 499 else 500 modes.AddModes(kBaseModeList, kNumBaseModes); 501 502 // filter out modes the caller doesn't like, and multiply modes for 503 // every color space 504 505 if (spaces == NULL) { 506 const color_space kDefaultSpaces[] = {B_RGB32_LITTLE, B_RGB16_LITTLE, 507 B_RGB15_LITTLE, B_CMAP8}; 508 modes.CreateColorSpaces(kDefaultSpaces, 509 sizeof(kDefaultSpaces) / sizeof(kDefaultSpaces[0])); 510 } else 511 modes.CreateColorSpaces(spaces, spacesCount); 512 513 modes.Filter(hook); 514 modes.Clean(); 515 516 // create area for output modes 517 518 size_t size = (sizeof(display_mode) * modes.Count() + B_PAGE_SIZE - 1) 519 & ~(B_PAGE_SIZE - 1); 520 display_mode *list; 521 area_id area = create_area(name, (void **)&list, B_ANY_ADDRESS, 522 size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); 523 if (area < B_OK) 524 return area; 525 526 memcpy(list, modes.Modes(), sizeof(display_mode) * modes.Count()); 527 *_modes = list; 528 *_count = modes.Count(); 529 530 return area; 531 } 532 533 534 void 535 fill_display_mode(uint32 width, uint32 height, display_mode* mode) 536 { 537 mode->space = B_CMAP8; 538 mode->virtual_width = width; 539 mode->virtual_height = height; 540 mode->h_display_start = 0; 541 mode->v_display_start = 0; 542 mode->flags = MODE_FLAGS; 543 } 544