| 1 | /* |
| 2 | * Copyright © 1999 Keith Packard |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation, and that the name of Keith Packard not be used in |
| 9 | * advertising or publicity pertaining to distribution of the software without |
| 10 | * specific, written prior permission. Keith Packard makes no |
| 11 | * representations about the suitability of this software for any purpose. It |
| 12 | * is provided "as is" without express or implied warranty. |
| 13 | * |
| 14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 20 | * PERFORMANCE OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_CONFIG_H |
| 24 | #include <kdrive-config.h> |
| 25 | #endif |
| 26 | #include "kdrive.h" |
| 27 | #include <mivalidate.h> |
| 28 | #include <dixstruct.h> |
| 29 | #include "privates.h" |
| 30 | #ifdef RANDR |
| 31 | #include <randrstr.h> |
| 32 | #endif |
| 33 | |
| 34 | #ifdef XV |
| 35 | #include "kxv.h" |
| 36 | #endif |
| 37 | |
| 38 | #ifdef DPMSExtension |
| 39 | #include "dpmsproc.h" |
| 40 | #endif |
| 41 | |
| 42 | #ifdef HAVE_EXECINFO_H |
| 43 | #include <execinfo.h> |
| 44 | #endif |
| 45 | |
| 46 | #include <signal.h> |
| 47 | |
| 48 | typedef struct _kdDepths { |
| 49 | CARD8 depth; |
| 50 | CARD8 bpp; |
| 51 | } KdDepths; |
| 52 | |
| 53 | KdDepths kdDepths[] = { |
| 54 | {1, 1}, |
| 55 | {4, 4}, |
| 56 | {8, 8}, |
| 57 | {15, 16}, |
| 58 | {16, 16}, |
| 59 | {24, 32}, |
| 60 | {32, 32} |
| 61 | }; |
| 62 | |
| 63 | #define NUM_KD_DEPTHS (sizeof (kdDepths) / sizeof (kdDepths[0])) |
| 64 | |
| 65 | #define KD_DEFAULT_BUTTONS 5 |
| 66 | |
| 67 | DevPrivateKeyRec kdScreenPrivateKeyRec; |
| 68 | unsigned long kdGeneration; |
| 69 | |
| 70 | Bool kdVideoTest; |
| 71 | unsigned long kdVideoTestTime; |
| 72 | Bool kdEmulateMiddleButton; |
| 73 | Bool kdRawPointerCoordinates; |
| 74 | Bool kdDisableZaphod; |
| 75 | Bool kdAllowZap; |
| 76 | Bool kdEnabled; |
| 77 | int kdSubpixelOrder; |
| 78 | int kdVirtualTerminal = -1; |
| 79 | Bool kdSwitchPending; |
| 80 | char *kdSwitchCmd; |
| 81 | DDXPointRec kdOrigin; |
| 82 | Bool kdHasPointer = FALSE; |
| 83 | Bool kdHasKbd = FALSE; |
| 84 | |
| 85 | static Bool kdCaughtSignal = FALSE; |
| 86 | |
| 87 | /* |
| 88 | * Carry arguments from InitOutput through driver initialization |
| 89 | * to KdScreenInit |
| 90 | */ |
| 91 | |
| 92 | KdOsFuncs *kdOsFuncs; |
| 93 | |
| 94 | void |
| 95 | KdDisableScreen(ScreenPtr pScreen) |
| 96 | { |
| 97 | KdScreenPriv(pScreen); |
| 98 | |
| 99 | if (!pScreenPriv->enabled) |
| 100 | return; |
| 101 | if (!pScreenPriv->closed) |
| 102 | SetRootClip(pScreen, FALSE); |
| 103 | KdDisableColormap(pScreen); |
| 104 | if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->disableAccel) |
| 105 | (*pScreenPriv->card->cfuncs->disableAccel) (pScreen); |
| 106 | if (!pScreenPriv->screen->softCursor && |
| 107 | pScreenPriv->card->cfuncs->disableCursor) |
| 108 | (*pScreenPriv->card->cfuncs->disableCursor) (pScreen); |
| 109 | if (pScreenPriv->card->cfuncs->dpms) |
| 110 | (*pScreenPriv->card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL); |
| 111 | pScreenPriv->enabled = FALSE; |
| 112 | if (pScreenPriv->card->cfuncs->disable) |
| 113 | (*pScreenPriv->card->cfuncs->disable) (pScreen); |
| 114 | } |
| 115 | |
| 116 | static void |
| 117 | KdDoSwitchCmd(const char *reason) |
| 118 | { |
| 119 | if (kdSwitchCmd) { |
| 120 | char *command; |
| 121 | |
| 122 | if (asprintf(&command, "%s %s", kdSwitchCmd, reason) == -1) |
| 123 | return; |
| 124 | system(command); |
| 125 | free(command); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | void |
| 130 | KdSuspend(void) |
| 131 | { |
| 132 | KdCardInfo *card; |
| 133 | KdScreenInfo *screen; |
| 134 | |
| 135 | if (kdEnabled) { |
| 136 | for (card = kdCardInfo; card; card = card->next) { |
| 137 | for (screen = card->screenList; screen; screen = screen->next) |
| 138 | if (screen->mynum == card->selected && screen->pScreen) |
| 139 | KdDisableScreen(screen->pScreen); |
| 140 | if (card->driver && card->cfuncs->restore) |
| 141 | (*card->cfuncs->restore) (card); |
| 142 | } |
| 143 | KdDisableInput(); |
| 144 | KdDoSwitchCmd("suspend"); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | void |
| 149 | KdDisableScreens(void) |
| 150 | { |
| 151 | KdSuspend(); |
| 152 | if (kdEnabled) { |
| 153 | if (kdOsFuncs->Disable) |
| 154 | (*kdOsFuncs->Disable) (); |
| 155 | kdEnabled = FALSE; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | Bool |
| 160 | KdEnableScreen(ScreenPtr pScreen) |
| 161 | { |
| 162 | KdScreenPriv(pScreen); |
| 163 | |
| 164 | if (pScreenPriv->enabled) |
| 165 | return TRUE; |
| 166 | if (pScreenPriv->card->cfuncs->enable) |
| 167 | if (!(*pScreenPriv->card->cfuncs->enable) (pScreen)) |
| 168 | return FALSE; |
| 169 | pScreenPriv->enabled = TRUE; |
| 170 | pScreenPriv->dpmsState = KD_DPMS_NORMAL; |
| 171 | pScreenPriv->card->selected = pScreenPriv->screen->mynum; |
| 172 | if (!pScreenPriv->screen->softCursor && |
| 173 | pScreenPriv->card->cfuncs->enableCursor) |
| 174 | (*pScreenPriv->card->cfuncs->enableCursor) (pScreen); |
| 175 | if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->enableAccel) |
| 176 | (*pScreenPriv->card->cfuncs->enableAccel) (pScreen); |
| 177 | KdEnableColormap(pScreen); |
| 178 | SetRootClip(pScreen, TRUE); |
| 179 | if (pScreenPriv->card->cfuncs->dpms) |
| 180 | (*pScreenPriv->card->cfuncs->dpms) (pScreen, pScreenPriv->dpmsState); |
| 181 | return TRUE; |
| 182 | } |
| 183 | |
| 184 | void |
| 185 | KdResume(void) |
| 186 | { |
| 187 | KdCardInfo *card; |
| 188 | KdScreenInfo *screen; |
| 189 | |
| 190 | if (kdEnabled) { |
| 191 | KdDoSwitchCmd("resume"); |
| 192 | for (card = kdCardInfo; card; card = card->next) { |
| 193 | if (card->cfuncs->preserve) |
| 194 | (*card->cfuncs->preserve) (card); |
| 195 | for (screen = card->screenList; screen; screen = screen->next) |
| 196 | if (screen->mynum == card->selected && screen->pScreen) |
| 197 | KdEnableScreen(screen->pScreen); |
| 198 | } |
| 199 | KdEnableInput(); |
| 200 | KdReleaseAllKeys(); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | void |
| 205 | KdEnableScreens(void) |
| 206 | { |
| 207 | if (!kdEnabled) { |
| 208 | kdEnabled = TRUE; |
| 209 | if (kdOsFuncs->Enable) |
| 210 | (*kdOsFuncs->Enable) (); |
| 211 | } |
| 212 | KdResume(); |
| 213 | } |
| 214 | |
| 215 | void |
| 216 | KdProcessSwitch(void) |
| 217 | { |
| 218 | if (kdEnabled) |
| 219 | KdDisableScreens(); |
| 220 | else |
| 221 | KdEnableScreens(); |
| 222 | } |
| 223 | |
| 224 | void |
| 225 | AbortDDX(enum ExitCode error) |
| 226 | { |
| 227 | KdDisableScreens(); |
| 228 | if (kdOsFuncs) { |
| 229 | if (kdEnabled && kdOsFuncs->Disable) |
| 230 | (*kdOsFuncs->Disable) (); |
| 231 | if (kdOsFuncs->Fini) |
| 232 | (*kdOsFuncs->Fini) (); |
| 233 | KdDoSwitchCmd("stop"); |
| 234 | } |
| 235 | |
| 236 | if (kdCaughtSignal) |
| 237 | OsAbort(); |
| 238 | } |
| 239 | |
| 240 | void |
| 241 | ddxGiveUp(enum ExitCode error) |
| 242 | { |
| 243 | AbortDDX(error); |
| 244 | } |
| 245 | |
| 246 | Bool kdDumbDriver; |
| 247 | Bool kdSoftCursor; |
| 248 | |
| 249 | const char * |
| 250 | KdParseFindNext(const char *cur, const char *delim, char *save, char *last) |
| 251 | { |
| 252 | while (*cur && !strchr(delim, *cur)) { |
| 253 | *save++ = *cur++; |
| 254 | } |
| 255 | *save = 0; |
| 256 | *last = *cur; |
| 257 | if (*cur) |
| 258 | cur++; |
| 259 | return cur; |
| 260 | } |
| 261 | |
| 262 | Rotation |
| 263 | KdAddRotation(Rotation a, Rotation b) |
| 264 | { |
| 265 | Rotation rotate = (a & RR_Rotate_All) * (b & RR_Rotate_All); |
| 266 | Rotation reflect = (a & RR_Reflect_All) ^ (b & RR_Reflect_All); |
| 267 | |
| 268 | if (rotate > RR_Rotate_270) |
| 269 | rotate /= (RR_Rotate_270 * RR_Rotate_90); |
| 270 | return reflect | rotate; |
| 271 | } |
| 272 | |
| 273 | Rotation |
| 274 | KdSubRotation(Rotation a, Rotation b) |
| 275 | { |
| 276 | Rotation rotate = (a & RR_Rotate_All) * 16 / (b & RR_Rotate_All); |
| 277 | Rotation reflect = (a & RR_Reflect_All) ^ (b & RR_Reflect_All); |
| 278 | |
| 279 | if (rotate > RR_Rotate_270) |
| 280 | rotate /= (RR_Rotate_270 * RR_Rotate_90); |
| 281 | return reflect | rotate; |
| 282 | } |
| 283 | |
| 284 | void |
| 285 | KdParseScreen(KdScreenInfo * screen, const char *arg) |
| 286 | { |
| 287 | char delim; |
| 288 | char save[1024]; |
| 289 | int i; |
| 290 | int pixels, mm; |
| 291 | |
| 292 | screen->dumb = kdDumbDriver; |
| 293 | screen->softCursor = kdSoftCursor; |
| 294 | screen->origin = kdOrigin; |
| 295 | screen->randr = RR_Rotate_0; |
| 296 | screen->width = 0; |
| 297 | screen->height = 0; |
| 298 | screen->width_mm = 0; |
| 299 | screen->height_mm = 0; |
| 300 | screen->subpixel_order = kdSubpixelOrder; |
| 301 | screen->rate = 0; |
| 302 | screen->fb.depth = 0; |
| 303 | if (!arg) |
| 304 | return; |
| 305 | if (strlen(arg) >= sizeof(save)) |
| 306 | return; |
| 307 | |
| 308 | for (i = 0; i < 2; i++) { |
| 309 | arg = KdParseFindNext(arg, "x/@XY", save, &delim); |
| 310 | if (!save[0]) |
| 311 | return; |
| 312 | |
| 313 | pixels = atoi(save); |
| 314 | mm = 0; |
| 315 | |
| 316 | if (delim == '/') { |
| 317 | arg = KdParseFindNext(arg, "x@XY", save, &delim); |
| 318 | if (!save[0]) |
| 319 | return; |
| 320 | mm = atoi(save); |
| 321 | } |
| 322 | |
| 323 | if (i == 0) { |
| 324 | screen->width = pixels; |
| 325 | screen->width_mm = mm; |
| 326 | } |
| 327 | else { |
| 328 | screen->height = pixels; |
| 329 | screen->height_mm = mm; |
| 330 | } |
| 331 | if (delim != 'x' && delim != '@' && delim != 'X' && delim != 'Y' && |
| 332 | (delim != '\0' || i == 0)) |
| 333 | return; |
| 334 | } |
| 335 | |
| 336 | kdOrigin.x += screen->width; |
| 337 | kdOrigin.y = 0; |
| 338 | kdDumbDriver = FALSE; |
| 339 | kdSoftCursor = FALSE; |
| 340 | kdSubpixelOrder = SubPixelUnknown; |
| 341 | |
| 342 | if (delim == '@') { |
| 343 | arg = KdParseFindNext(arg, "xXY", save, &delim); |
| 344 | if (save[0]) { |
| 345 | int rotate = atoi(save); |
| 346 | |
| 347 | if (rotate < 45) |
| 348 | screen->randr = RR_Rotate_0; |
| 349 | else if (rotate < 135) |
| 350 | screen->randr = RR_Rotate_90; |
| 351 | else if (rotate < 225) |
| 352 | screen->randr = RR_Rotate_180; |
| 353 | else if (rotate < 315) |
| 354 | screen->randr = RR_Rotate_270; |
| 355 | else |
| 356 | screen->randr = RR_Rotate_0; |
| 357 | } |
| 358 | } |
| 359 | if (delim == 'X') { |
| 360 | arg = KdParseFindNext(arg, "xY", save, &delim); |
| 361 | screen->randr |= RR_Reflect_X; |
| 362 | } |
| 363 | |
| 364 | if (delim == 'Y') { |
| 365 | arg = KdParseFindNext(arg, "xY", save, &delim); |
| 366 | screen->randr |= RR_Reflect_Y; |
| 367 | } |
| 368 | |
| 369 | arg = KdParseFindNext(arg, "x/,", save, &delim); |
| 370 | if (save[0]) { |
| 371 | screen->fb.depth = atoi(save); |
| 372 | if (delim == '/') { |
| 373 | arg = KdParseFindNext(arg, "x,", save, &delim); |
| 374 | if (save[0]) |
| 375 | screen->fb.bitsPerPixel = atoi(save); |
| 376 | } |
| 377 | else |
| 378 | screen->fb.bitsPerPixel = 0; |
| 379 | } |
| 380 | |
| 381 | if (delim == 'x') { |
| 382 | arg = KdParseFindNext(arg, "x", save, &delim); |
| 383 | if (save[0]) |
| 384 | screen->rate = atoi(save); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | /* |
| 389 | * Mouse argument syntax: |
| 390 | * |
| 391 | * device,protocol,options... |
| 392 | * |
| 393 | * Options are any of: |
| 394 | * 1-5 n button mouse |
| 395 | * 2button emulate middle button |
| 396 | * {NMO} Reorder buttons |
| 397 | */ |
| 398 | |
| 399 | void |
| 400 | KdParseRgba(char *rgba) |
| 401 | { |
| 402 | if (!strcmp(rgba, "rgb")) |
| 403 | kdSubpixelOrder = SubPixelHorizontalRGB; |
| 404 | else if (!strcmp(rgba, "bgr")) |
| 405 | kdSubpixelOrder = SubPixelHorizontalBGR; |
| 406 | else if (!strcmp(rgba, "vrgb")) |
| 407 | kdSubpixelOrder = SubPixelVerticalRGB; |
| 408 | else if (!strcmp(rgba, "vbgr")) |
| 409 | kdSubpixelOrder = SubPixelVerticalBGR; |
| 410 | else if (!strcmp(rgba, "none")) |
| 411 | kdSubpixelOrder = SubPixelNone; |
| 412 | else |
| 413 | kdSubpixelOrder = SubPixelUnknown; |
| 414 | } |
| 415 | |
| 416 | void |
| 417 | KdUseMsg(void) |
| 418 | { |
| 419 | ErrorF("\nTinyX Device Dependent Usage:\n"); |
| 420 | ErrorF |
| 421 | ("-screen WIDTH[/WIDTHMM]xHEIGHT[/HEIGHTMM][@ROTATION][X][Y][xDEPTH/BPP[xFREQ]] Specify screen characteristics\n"); |
| 422 | ErrorF |
| 423 | ("-rgba rgb/bgr/vrgb/vbgr/none Specify subpixel ordering for LCD panels\n"); |
| 424 | ErrorF |
| 425 | ("-mouse driver [,n,,options] Specify the pointer driver and its options (n is the number of buttons)\n"); |
| 426 | ErrorF |
| 427 | ("-keybd driver [,,options] Specify the keyboard driver and its options\n"); |
| 428 | ErrorF("-zaphod Disable cursor screen switching\n"); |
| 429 | ErrorF("-2button Emulate 3 button mouse\n"); |
| 430 | ErrorF("-3button Disable 3 button mouse emulation\n"); |
| 431 | ErrorF |
| 432 | ("-rawcoord Don't transform pointer coordinates on rotation\n"); |
| 433 | ErrorF("-dumb Disable hardware acceleration\n"); |
| 434 | ErrorF("-softCursor Force software cursor\n"); |
| 435 | ErrorF("-videoTest Start the server, pause momentarily and exit\n"); |
| 436 | ErrorF |
| 437 | ("-origin X,Y Locates the next screen in the the virtual screen (Xinerama)\n"); |
| 438 | ErrorF("-switchCmd Command to execute on vt switch\n"); |
| 439 | ErrorF("-zap Terminate server on Ctrl+Alt+Backspace\n"); |
| 440 | ErrorF |
| 441 | ("vtxx Use virtual terminal xx instead of the next available\n"); |
| 442 | } |
| 443 | |
| 444 | int |
| 445 | KdProcessArgument(int argc, char **argv, int i) |
| 446 | { |
| 447 | KdCardInfo *card; |
| 448 | KdScreenInfo *screen; |
| 449 | |
| 450 | if (!strcmp(argv[i], "-screen")) { |
| 451 | if ((i + 1) < argc) { |
| 452 | card = KdCardInfoLast(); |
| 453 | if (!card) { |
| 454 | InitCard(0); |
| 455 | card = KdCardInfoLast(); |
| 456 | } |
| 457 | if (card) { |
| 458 | screen = KdScreenInfoAdd(card); |
| 459 | KdParseScreen(screen, argv[i + 1]); |
| 460 | } |
| 461 | else |
| 462 | ErrorF("No matching card found!\n"); |
| 463 | } |
| 464 | else |
| 465 | UseMsg(); |
| 466 | return 2; |
| 467 | } |
| 468 | if (!strcmp(argv[i], "-zaphod")) { |
| 469 | kdDisableZaphod = TRUE; |
| 470 | return 1; |
| 471 | } |
| 472 | if (!strcmp(argv[i], "-zap")) { |
| 473 | kdAllowZap = TRUE; |
| 474 | return 1; |
| 475 | } |
| 476 | if (!strcmp(argv[i], "-3button")) { |
| 477 | kdEmulateMiddleButton = FALSE; |
| 478 | return 1; |
| 479 | } |
| 480 | if (!strcmp(argv[i], "-2button")) { |
| 481 | kdEmulateMiddleButton = TRUE; |
| 482 | return 1; |
| 483 | } |
| 484 | if (!strcmp(argv[i], "-rawcoord")) { |
| 485 | kdRawPointerCoordinates = 1; |
| 486 | return 1; |
| 487 | } |
| 488 | if (!strcmp(argv[i], "-dumb")) { |
| 489 | kdDumbDriver = TRUE; |
| 490 | return 1; |
| 491 | } |
| 492 | if (!strcmp(argv[i], "-softCursor")) { |
| 493 | kdSoftCursor = TRUE; |
| 494 | return 1; |
| 495 | } |
| 496 | if (!strcmp(argv[i], "-videoTest")) { |
| 497 | kdVideoTest = TRUE; |
| 498 | return 1; |
| 499 | } |
| 500 | if (!strcmp(argv[i], "-origin")) { |
| 501 | if ((i + 1) < argc) { |
| 502 | char *x = argv[i + 1]; |
| 503 | char *y = strchr(x, ','); |
| 504 | |
| 505 | if (x) |
| 506 | kdOrigin.x = atoi(x); |
| 507 | else |
| 508 | kdOrigin.x = 0; |
| 509 | if (y) |
| 510 | kdOrigin.y = atoi(y + 1); |
| 511 | else |
| 512 | kdOrigin.y = 0; |
| 513 | } |
| 514 | else |
| 515 | UseMsg(); |
| 516 | return 2; |
| 517 | } |
| 518 | if (!strcmp(argv[i], "-rgba")) { |
| 519 | if ((i + 1) < argc) |
| 520 | KdParseRgba(argv[i + 1]); |
| 521 | else |
| 522 | UseMsg(); |
| 523 | return 2; |
| 524 | } |
| 525 | if (!strcmp(argv[i], "-switchCmd")) { |
| 526 | if ((i + 1) < argc) |
| 527 | kdSwitchCmd = argv[i + 1]; |
| 528 | else |
| 529 | UseMsg(); |
| 530 | return 2; |
| 531 | } |
| 532 | if (!strncmp(argv[i], "vt", 2) && |
| 533 | sscanf(argv[i], "vt%2d", &kdVirtualTerminal) == 1) { |
| 534 | return 1; |
| 535 | } |
| 536 | if (!strcmp(argv[i], "-mouse") || !strcmp(argv[i], "-pointer")) { |
| 537 | if (i + 1 >= argc) |
| 538 | UseMsg(); |
| 539 | KdAddConfigPointer(argv[i + 1]); |
| 540 | kdHasPointer = TRUE; |
| 541 | return 2; |
| 542 | } |
| 543 | if (!strcmp(argv[i], "-keybd")) { |
| 544 | if (i + 1 >= argc) |
| 545 | UseMsg(); |
| 546 | KdAddConfigKeyboard(argv[i + 1]); |
| 547 | kdHasKbd = TRUE; |
| 548 | return 2; |
| 549 | } |
| 550 | |
| 551 | return 0; |
| 552 | } |
| 553 | |
| 554 | /* |
| 555 | * These are getting tossed in here until I can think of where |
| 556 | * they really belong |
| 557 | */ |
| 558 | |
| 559 | void |
| 560 | KdOsInit(KdOsFuncs * pOsFuncs) |
| 561 | { |
| 562 | kdOsFuncs = pOsFuncs; |
| 563 | if (pOsFuncs) { |
| 564 | if (serverGeneration == 1) { |
| 565 | KdDoSwitchCmd("start"); |
| 566 | if (pOsFuncs->Init) |
| 567 | (*pOsFuncs->Init) (); |
| 568 | } |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | Bool |
| 573 | KdAllocatePrivates(ScreenPtr pScreen) |
| 574 | { |
| 575 | KdPrivScreenPtr pScreenPriv; |
| 576 | |
| 577 | if (kdGeneration != serverGeneration) |
| 578 | kdGeneration = serverGeneration; |
| 579 | |
| 580 | if (!dixRegisterPrivateKey(&kdScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) |
| 581 | return FALSE; |
| 582 | |
| 583 | pScreenPriv = calloc(1, sizeof(*pScreenPriv)); |
| 584 | if (!pScreenPriv) |
| 585 | return FALSE; |
| 586 | KdSetScreenPriv(pScreen, pScreenPriv); |
| 587 | return TRUE; |
| 588 | } |
| 589 | |
| 590 | Bool |
| 591 | KdCreateScreenResources(ScreenPtr pScreen) |
| 592 | { |
| 593 | KdScreenPriv(pScreen); |
| 594 | KdCardInfo *card = pScreenPriv->card; |
| 595 | Bool ret; |
| 596 | |
| 597 | pScreen->CreateScreenResources = pScreenPriv->CreateScreenResources; |
| 598 | if (pScreen->CreateScreenResources) |
| 599 | ret = (*pScreen->CreateScreenResources) (pScreen); |
| 600 | else |
| 601 | ret = -1; |
| 602 | pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources; |
| 603 | pScreen->CreateScreenResources = KdCreateScreenResources; |
| 604 | if (ret && card->cfuncs->createRes) |
| 605 | ret = (*card->cfuncs->createRes) (pScreen); |
| 606 | return ret; |
| 607 | } |
| 608 | |
| 609 | Bool |
| 610 | KdCloseScreen(ScreenPtr pScreen) |
| 611 | { |
| 612 | KdScreenPriv(pScreen); |
| 613 | KdScreenInfo *screen = pScreenPriv->screen; |
| 614 | KdCardInfo *card = pScreenPriv->card; |
| 615 | Bool ret; |
| 616 | |
| 617 | pScreenPriv->closed = TRUE; |
| 618 | pScreen->CloseScreen = pScreenPriv->CloseScreen; |
| 619 | if (pScreen->CloseScreen) |
| 620 | ret = (*pScreen->CloseScreen) (pScreen); |
| 621 | else |
| 622 | ret = TRUE; |
| 623 | |
| 624 | if (pScreenPriv->dpmsState != KD_DPMS_NORMAL) |
| 625 | (*card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL); |
| 626 | |
| 627 | if (screen->mynum == card->selected) |
| 628 | KdDisableScreen(pScreen); |
| 629 | |
| 630 | /* |
| 631 | * Restore video hardware when last screen is closed |
| 632 | */ |
| 633 | if (screen == card->screenList) { |
| 634 | if (kdEnabled && card->cfuncs->restore) |
| 635 | (*card->cfuncs->restore) (card); |
| 636 | } |
| 637 | |
| 638 | if (!pScreenPriv->screen->dumb && card->cfuncs->finiAccel) |
| 639 | (*card->cfuncs->finiAccel) (pScreen); |
| 640 | |
| 641 | if (!pScreenPriv->screen->softCursor && card->cfuncs->finiCursor) |
| 642 | (*card->cfuncs->finiCursor) (pScreen); |
| 643 | |
| 644 | if (card->cfuncs->scrfini) |
| 645 | (*card->cfuncs->scrfini) (screen); |
| 646 | |
| 647 | /* |
| 648 | * Clean up card when last screen is closed, DIX closes them in |
| 649 | * reverse order, thus we check for when the first in the list is closed |
| 650 | */ |
| 651 | if (screen == card->screenList) { |
| 652 | if (card->cfuncs->cardfini) |
| 653 | (*card->cfuncs->cardfini) (card); |
| 654 | /* |
| 655 | * Clean up OS when last card is closed |
| 656 | */ |
| 657 | if (card == kdCardInfo) { |
| 658 | if (kdEnabled) { |
| 659 | kdEnabled = FALSE; |
| 660 | if (kdOsFuncs->Disable) |
| 661 | (*kdOsFuncs->Disable) (); |
| 662 | } |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | pScreenPriv->screen->pScreen = 0; |
| 667 | |
| 668 | free((pointer) pScreenPriv); |
| 669 | return ret; |
| 670 | } |
| 671 | |
| 672 | Bool |
| 673 | KdSaveScreen(ScreenPtr pScreen, int on) |
| 674 | { |
| 675 | KdScreenPriv(pScreen); |
| 676 | int dpmsState; |
| 677 | |
| 678 | if (!pScreenPriv->card->cfuncs->dpms) |
| 679 | return FALSE; |
| 680 | |
| 681 | dpmsState = pScreenPriv->dpmsState; |
| 682 | switch (on) { |
| 683 | case SCREEN_SAVER_OFF: |
| 684 | dpmsState = KD_DPMS_NORMAL; |
| 685 | break; |
| 686 | case SCREEN_SAVER_ON: |
| 687 | if (dpmsState == KD_DPMS_NORMAL) |
| 688 | dpmsState = KD_DPMS_NORMAL + 1; |
| 689 | break; |
| 690 | case SCREEN_SAVER_CYCLE: |
| 691 | if (dpmsState < KD_DPMS_MAX) |
| 692 | dpmsState++; |
| 693 | break; |
| 694 | case SCREEN_SAVER_FORCER: |
| 695 | break; |
| 696 | } |
| 697 | if (dpmsState != pScreenPriv->dpmsState) { |
| 698 | if (pScreenPriv->enabled) |
| 699 | (*pScreenPriv->card->cfuncs->dpms) (pScreen, dpmsState); |
| 700 | pScreenPriv->dpmsState = dpmsState; |
| 701 | } |
| 702 | return TRUE; |
| 703 | } |
| 704 | |
| 705 | static Bool |
| 706 | KdCreateWindow(WindowPtr pWin) |
| 707 | { |
| 708 | #ifndef PHOENIX |
| 709 | if (!pWin->parent) { |
| 710 | KdScreenPriv(pWin->drawable.pScreen); |
| 711 | |
| 712 | if (!pScreenPriv->enabled) { |
| 713 | RegionEmpty(&pWin->borderClip); |
| 714 | RegionBreak(&pWin->clipList); |
| 715 | } |
| 716 | } |
| 717 | #endif |
| 718 | return fbCreateWindow(pWin); |
| 719 | } |
| 720 | |
| 721 | void |
| 722 | KdSetSubpixelOrder(ScreenPtr pScreen, Rotation randr) |
| 723 | { |
| 724 | KdScreenPriv(pScreen); |
| 725 | KdScreenInfo *screen = pScreenPriv->screen; |
| 726 | int subpixel_order = screen->subpixel_order; |
| 727 | Rotation subpixel_dir; |
| 728 | int i; |
| 729 | |
| 730 | static struct { |
| 731 | int subpixel_order; |
| 732 | Rotation direction; |
| 733 | } orders[] = { |
| 734 | {SubPixelHorizontalRGB, RR_Rotate_0}, |
| 735 | {SubPixelHorizontalBGR, RR_Rotate_180}, |
| 736 | {SubPixelVerticalRGB, RR_Rotate_270}, |
| 737 | {SubPixelVerticalBGR, RR_Rotate_90}, |
| 738 | }; |
| 739 | |
| 740 | static struct { |
| 741 | int bit; |
| 742 | int normal; |
| 743 | int reflect; |
| 744 | } reflects[] = { |
| 745 | {RR_Reflect_X, SubPixelHorizontalRGB, SubPixelHorizontalBGR}, |
| 746 | {RR_Reflect_X, SubPixelHorizontalBGR, SubPixelHorizontalRGB}, |
| 747 | {RR_Reflect_Y, SubPixelVerticalRGB, SubPixelVerticalBGR}, |
| 748 | {RR_Reflect_Y, SubPixelVerticalRGB, SubPixelVerticalRGB}, |
| 749 | }; |
| 750 | |
| 751 | /* map subpixel to direction */ |
| 752 | for (i = 0; i < 4; i++) |
| 753 | if (orders[i].subpixel_order == subpixel_order) |
| 754 | break; |
| 755 | if (i < 4) { |
| 756 | subpixel_dir = |
| 757 | KdAddRotation(randr & RR_Rotate_All, orders[i].direction); |
| 758 | |
| 759 | /* map back to subpixel order */ |
| 760 | for (i = 0; i < 4; i++) |
| 761 | if (orders[i].direction & subpixel_dir) { |
| 762 | subpixel_order = orders[i].subpixel_order; |
| 763 | break; |
| 764 | } |
| 765 | /* reflect */ |
| 766 | for (i = 0; i < 4; i++) |
| 767 | if ((randr & reflects[i].bit) && |
| 768 | reflects[i].normal == subpixel_order) { |
| 769 | subpixel_order = reflects[i].reflect; |
| 770 | break; |
| 771 | } |
| 772 | } |
| 773 | PictureSetSubpixelOrder(pScreen, subpixel_order); |
| 774 | } |
| 775 | |
| 776 | /* Pass through AddScreen, which doesn't take any closure */ |
| 777 | static KdScreenInfo *kdCurrentScreen; |
| 778 | |
| 779 | Bool |
| 780 | KdScreenInit(ScreenPtr pScreen, int argc, char **argv) |
| 781 | { |
| 782 | KdScreenInfo *screen = kdCurrentScreen; |
| 783 | KdCardInfo *card = screen->card; |
| 784 | KdPrivScreenPtr pScreenPriv; |
| 785 | |
| 786 | /* |
| 787 | * note that screen->fb is set up for the nominal orientation |
| 788 | * of the screen; that means if randr is rotated, the values |
| 789 | * there should reflect a rotated frame buffer (or shadow). |
| 790 | */ |
| 791 | Bool rotated = (screen->randr & (RR_Rotate_90 | RR_Rotate_270)) != 0; |
| 792 | int width, height, *width_mmp, *height_mmp; |
| 793 | |
| 794 | KdAllocatePrivates(pScreen); |
| 795 | |
| 796 | pScreenPriv = KdGetScreenPriv(pScreen); |
| 797 | |
| 798 | if (!rotated) { |
| 799 | width = screen->width; |
| 800 | height = screen->height; |
| 801 | width_mmp = &screen->width_mm; |
| 802 | height_mmp = &screen->height_mm; |
| 803 | } |
| 804 | else { |
| 805 | width = screen->height; |
| 806 | height = screen->width; |
| 807 | width_mmp = &screen->height_mm; |
| 808 | height_mmp = &screen->width_mm; |
| 809 | } |
| 810 | screen->pScreen = pScreen; |
| 811 | pScreenPriv->screen = screen; |
| 812 | pScreenPriv->card = card; |
| 813 | pScreenPriv->bytesPerPixel = screen->fb.bitsPerPixel >> 3; |
| 814 | pScreenPriv->dpmsState = KD_DPMS_NORMAL; |
| 815 | pScreen->x = screen->origin.x; |
| 816 | pScreen->y = screen->origin.y; |
| 817 | |
| 818 | if (!monitorResolution) |
| 819 | monitorResolution = 75; |
| 820 | /* |
| 821 | * This is done in this order so that backing store wraps |
| 822 | * our GC functions; fbFinishScreenInit initializes MI |
| 823 | * backing store |
| 824 | */ |
| 825 | if (!fbSetupScreen(pScreen, |
| 826 | screen->fb.frameBuffer, |
| 827 | width, height, |
| 828 | monitorResolution, monitorResolution, |
| 829 | screen->fb.pixelStride, screen->fb.bitsPerPixel)) { |
| 830 | return FALSE; |
| 831 | } |
| 832 | |
| 833 | /* |
| 834 | * Set colormap functions |
| 835 | */ |
| 836 | pScreen->InstallColormap = KdInstallColormap; |
| 837 | pScreen->UninstallColormap = KdUninstallColormap; |
| 838 | pScreen->ListInstalledColormaps = KdListInstalledColormaps; |
| 839 | pScreen->StoreColors = KdStoreColors; |
| 840 | |
| 841 | pScreen->SaveScreen = KdSaveScreen; |
| 842 | pScreen->CreateWindow = KdCreateWindow; |
| 843 | |
| 844 | if (!fbFinishScreenInit(pScreen, |
| 845 | screen->fb.frameBuffer, |
| 846 | width, height, |
| 847 | monitorResolution, monitorResolution, |
| 848 | screen->fb.pixelStride, screen->fb.bitsPerPixel)) { |
| 849 | return FALSE; |
| 850 | } |
| 851 | |
| 852 | /* |
| 853 | * Fix screen sizes; for some reason mi takes dpi instead of mm. |
| 854 | * Rounding errors are annoying |
| 855 | */ |
| 856 | if (*width_mmp) |
| 857 | pScreen->mmWidth = *width_mmp; |
| 858 | else |
| 859 | *width_mmp = pScreen->mmWidth; |
| 860 | if (*height_mmp) |
| 861 | pScreen->mmHeight = *height_mmp; |
| 862 | else |
| 863 | *height_mmp = pScreen->mmHeight; |
| 864 | |
| 865 | /* |
| 866 | * Plug in our own block/wakeup handlers. |
| 867 | * miScreenInit installs NoopDDA in both places |
| 868 | */ |
| 869 | pScreen->BlockHandler = KdBlockHandler; |
| 870 | pScreen->WakeupHandler = KdWakeupHandler; |
| 871 | |
| 872 | if (!fbPictureInit(pScreen, 0, 0)) |
| 873 | return FALSE; |
| 874 | if (card->cfuncs->initScreen) |
| 875 | if (!(*card->cfuncs->initScreen) (pScreen)) |
| 876 | return FALSE; |
| 877 | |
| 878 | if (!screen->dumb && card->cfuncs->initAccel) |
| 879 | if (!(*card->cfuncs->initAccel) (pScreen)) |
| 880 | screen->dumb = TRUE; |
| 881 | |
| 882 | if (card->cfuncs->finishInitScreen) |
| 883 | if (!(*card->cfuncs->finishInitScreen) (pScreen)) |
| 884 | return FALSE; |
| 885 | |
| 886 | #if 0 |
| 887 | fbInitValidateTree(pScreen); |
| 888 | #endif |
| 889 | |
| 890 | /* |
| 891 | * Wrap CloseScreen, the order now is: |
| 892 | * KdCloseScreen |
| 893 | * miBSCloseScreen |
| 894 | * fbCloseScreen |
| 895 | */ |
| 896 | pScreenPriv->CloseScreen = pScreen->CloseScreen; |
| 897 | pScreen->CloseScreen = KdCloseScreen; |
| 898 | |
| 899 | pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources; |
| 900 | pScreen->CreateScreenResources = KdCreateScreenResources; |
| 901 | |
| 902 | if (screen->softCursor || |
| 903 | !card->cfuncs->initCursor || !(*card->cfuncs->initCursor) (pScreen)) { |
| 904 | /* Use MI for cursor display and event queueing. */ |
| 905 | screen->softCursor = TRUE; |
| 906 | miDCInitialize(pScreen, &kdPointerScreenFuncs); |
| 907 | } |
| 908 | |
| 909 | if (!fbCreateDefColormap(pScreen)) { |
| 910 | return FALSE; |
| 911 | } |
| 912 | |
| 913 | KdSetSubpixelOrder(pScreen, screen->randr); |
| 914 | |
| 915 | /* |
| 916 | * Enable the hardware |
| 917 | */ |
| 918 | if (!kdEnabled) { |
| 919 | kdEnabled = TRUE; |
| 920 | if (kdOsFuncs->Enable) |
| 921 | (*kdOsFuncs->Enable) (); |
| 922 | } |
| 923 | |
| 924 | if (screen->mynum == card->selected) { |
| 925 | if (card->cfuncs->preserve) |
| 926 | (*card->cfuncs->preserve) (card); |
| 927 | if (card->cfuncs->enable) |
| 928 | if (!(*card->cfuncs->enable) (pScreen)) |
| 929 | return FALSE; |
| 930 | pScreenPriv->enabled = TRUE; |
| 931 | if (!screen->softCursor && card->cfuncs->enableCursor) |
| 932 | (*card->cfuncs->enableCursor) (pScreen); |
| 933 | KdEnableColormap(pScreen); |
| 934 | if (!screen->dumb && card->cfuncs->enableAccel) |
| 935 | (*card->cfuncs->enableAccel) (pScreen); |
| 936 | } |
| 937 | |
| 938 | return TRUE; |
| 939 | } |
| 940 | |
| 941 | void |
| 942 | KdInitScreen(ScreenInfo * pScreenInfo, |
| 943 | KdScreenInfo * screen, int argc, char **argv) |
| 944 | { |
| 945 | KdCardInfo *card = screen->card; |
| 946 | |
| 947 | if (!(*card->cfuncs->scrinit) (screen)) |
| 948 | FatalError("Screen initialization failed!\n"); |
| 949 | |
| 950 | if (!card->cfuncs->initAccel) |
| 951 | screen->dumb = TRUE; |
| 952 | if (!card->cfuncs->initCursor) |
| 953 | screen->softCursor = TRUE; |
| 954 | } |
| 955 | |
| 956 | static Bool |
| 957 | KdSetPixmapFormats(ScreenInfo * pScreenInfo) |
| 958 | { |
| 959 | CARD8 depthToBpp[33]; /* depth -> bpp map */ |
| 960 | KdCardInfo *card; |
| 961 | KdScreenInfo *screen; |
| 962 | int i; |
| 963 | int bpp; |
| 964 | PixmapFormatRec *format; |
| 965 | |
| 966 | for (i = 1; i <= 32; i++) |
| 967 | depthToBpp[i] = 0; |
| 968 | |
| 969 | /* |
| 970 | * Generate mappings between bitsPerPixel and depth, |
| 971 | * also ensure that all screens comply with protocol |
| 972 | * restrictions on equivalent formats for the same |
| 973 | * depth on different screens |
| 974 | */ |
| 975 | for (card = kdCardInfo; card; card = card->next) { |
| 976 | for (screen = card->screenList; screen; screen = screen->next) { |
| 977 | bpp = screen->fb.bitsPerPixel; |
| 978 | if (bpp == 24) |
| 979 | bpp = 32; |
| 980 | if (!depthToBpp[screen->fb.depth]) |
| 981 | depthToBpp[screen->fb.depth] = bpp; |
| 982 | else if (depthToBpp[screen->fb.depth] != bpp) |
| 983 | return FALSE; |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | /* |
| 988 | * Fill in additional formats |
| 989 | */ |
| 990 | for (i = 0; i < NUM_KD_DEPTHS; i++) |
| 991 | if (!depthToBpp[kdDepths[i].depth]) |
| 992 | depthToBpp[kdDepths[i].depth] = kdDepths[i].bpp; |
| 993 | |
| 994 | pScreenInfo->imageByteOrder = IMAGE_BYTE_ORDER; |
| 995 | pScreenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT; |
| 996 | pScreenInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD; |
| 997 | pScreenInfo->bitmapBitOrder = BITMAP_BIT_ORDER; |
| 998 | |
| 999 | pScreenInfo->numPixmapFormats = 0; |
| 1000 | |
| 1001 | for (i = 1; i <= 32; i++) { |
| 1002 | if (depthToBpp[i]) { |
| 1003 | format = &pScreenInfo->formats[pScreenInfo->numPixmapFormats++]; |
| 1004 | format->depth = i; |
| 1005 | format->bitsPerPixel = depthToBpp[i]; |
| 1006 | format->scanlinePad = BITMAP_SCANLINE_PAD; |
| 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | return TRUE; |
| 1011 | } |
| 1012 | |
| 1013 | static void |
| 1014 | KdAddScreen(ScreenInfo * pScreenInfo, |
| 1015 | KdScreenInfo * screen, int argc, char **argv) |
| 1016 | { |
| 1017 | int i; |
| 1018 | |
| 1019 | /* |
| 1020 | * Fill in fb visual type masks for this screen |
| 1021 | */ |
| 1022 | for (i = 0; i < pScreenInfo->numPixmapFormats; i++) { |
| 1023 | unsigned long visuals; |
| 1024 | Pixel rm, gm, bm; |
| 1025 | |
| 1026 | visuals = 0; |
| 1027 | rm = gm = bm = 0; |
| 1028 | if (pScreenInfo->formats[i].depth == screen->fb.depth) { |
| 1029 | visuals = screen->fb.visuals; |
| 1030 | rm = screen->fb.redMask; |
| 1031 | gm = screen->fb.greenMask; |
| 1032 | bm = screen->fb.blueMask; |
| 1033 | } |
| 1034 | fbSetVisualTypesAndMasks(pScreenInfo->formats[i].depth, |
| 1035 | visuals, 8, rm, gm, bm); |
| 1036 | } |
| 1037 | |
| 1038 | kdCurrentScreen = screen; |
| 1039 | |
| 1040 | AddScreen(KdScreenInit, argc, argv); |
| 1041 | } |
| 1042 | |
| 1043 | #if 0 /* This function is not used currently */ |
| 1044 | |
| 1045 | int |
| 1046 | KdDepthToFb(ScreenPtr pScreen, int depth) |
| 1047 | { |
| 1048 | KdScreenPriv(pScreen); |
| 1049 | |
| 1050 | for (fb = 0; fb <= KD_MAX_FB && pScreenPriv->screen->fb.frameBuffer; fb++) |
| 1051 | if (pScreenPriv->screen->fb.depth == depth) |
| 1052 | return fb; |
| 1053 | } |
| 1054 | |
| 1055 | #endif |
| 1056 | |
| 1057 | static int |
| 1058 | KdSignalWrapper(int signum) |
| 1059 | { |
| 1060 | kdCaughtSignal = TRUE; |
| 1061 | return 1; /* use generic OS layer cleanup & abort */ |
| 1062 | } |
| 1063 | |
| 1064 | void |
| 1065 | KdInitOutput(ScreenInfo * pScreenInfo, int argc, char **argv) |
| 1066 | { |
| 1067 | KdCardInfo *card; |
| 1068 | KdScreenInfo *screen; |
| 1069 | |
| 1070 | if (!kdCardInfo) { |
| 1071 | InitCard(0); |
| 1072 | if (!(card = KdCardInfoLast())) |
| 1073 | FatalError("No matching cards found!\n"); |
| 1074 | screen = KdScreenInfoAdd(card); |
| 1075 | KdParseScreen(screen, 0); |
| 1076 | } |
| 1077 | /* |
| 1078 | * Initialize all of the screens for all of the cards |
| 1079 | */ |
| 1080 | for (card = kdCardInfo; card; card = card->next) { |
| 1081 | int ret = 1; |
| 1082 | |
| 1083 | if (card->cfuncs->cardinit) |
| 1084 | ret = (*card->cfuncs->cardinit) (card); |
| 1085 | if (ret) { |
| 1086 | for (screen = card->screenList; screen; screen = screen->next) |
| 1087 | KdInitScreen(pScreenInfo, screen, argc, argv); |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | /* |
| 1092 | * Merge the various pixmap formats together, this can fail |
| 1093 | * when two screens share depth but not bitsPerPixel |
| 1094 | */ |
| 1095 | if (!KdSetPixmapFormats(pScreenInfo)) |
| 1096 | return; |
| 1097 | |
| 1098 | /* |
| 1099 | * Add all of the screens |
| 1100 | */ |
| 1101 | for (card = kdCardInfo; card; card = card->next) |
| 1102 | for (screen = card->screenList; screen; screen = screen->next) |
| 1103 | KdAddScreen(pScreenInfo, screen, argc, argv); |
| 1104 | |
| 1105 | OsRegisterSigWrapper(KdSignalWrapper); |
| 1106 | } |
| 1107 | |
| 1108 | void |
| 1109 | OsVendorFatalError(const char *f, va_list args) |
| 1110 | { |
| 1111 | } |
| 1112 | |
| 1113 | int |
| 1114 | DPMSSet(ClientPtr client, int level) |
| 1115 | { |
| 1116 | return Success; |
| 1117 | } |
| 1118 | |
| 1119 | Bool |
| 1120 | DPMSSupported(void) |
| 1121 | { |
| 1122 | return FALSE; |
| 1123 | } |