| 1 | /***************************************************************** |
| 2 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
| 3 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 | of this software and associated documentation files (the "Software"), to deal |
| 5 | in the Software without restriction, including without limitation the rights |
| 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 7 | copies of the Software. |
| 8 | |
| 9 | The above copyright notice and this permission notice shall be included in |
| 10 | all copies or substantial portions of the Software. |
| 11 | |
| 12 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 13 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 14 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 15 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
| 16 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
| 17 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
| 18 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 19 | |
| 20 | Except as contained in this notice, the name of Digital Equipment Corporation |
| 21 | shall not be used in advertising or otherwise to promote the sale, use or other |
| 22 | dealings in this Software without prior written authorization from Digital |
| 23 | Equipment Corporation. |
| 24 | ******************************************************************/ |
| 25 | |
| 26 | #ifdef HAVE_DIX_CONFIG_H |
| 27 | #include <dix-config.h> |
| 28 | #endif |
| 29 | |
| 30 | #ifdef HAVE_DMX_CONFIG_H |
| 31 | #include <dmx-config.h> |
| 32 | #endif |
| 33 | |
| 34 | #include <stdio.h> |
| 35 | #include <X11/X.h> |
| 36 | #include <X11/Xproto.h> |
| 37 | #include <X11/Xarch.h> |
| 38 | #include "misc.h" |
| 39 | #include "cursor.h" |
| 40 | #include "cursorstr.h" |
| 41 | #include "extnsionst.h" |
| 42 | #include "dixstruct.h" |
| 43 | #include "gc.h" |
| 44 | #include "gcstruct.h" |
| 45 | #include "scrnintstr.h" |
| 46 | #include "window.h" |
| 47 | #include "windowstr.h" |
| 48 | #include "pixmapstr.h" |
| 49 | #include "panoramiX.h" |
| 50 | #include <X11/extensions/panoramiXproto.h> |
| 51 | #include "panoramiXsrv.h" |
| 52 | #include "globals.h" |
| 53 | #include "servermd.h" |
| 54 | #include "resource.h" |
| 55 | #include "picturestr.h" |
| 56 | #include "xfixesint.h" |
| 57 | #include "damageextint.h" |
| 58 | #ifdef COMPOSITE |
| 59 | #include "compint.h" |
| 60 | #endif |
| 61 | #include "extinit.h" |
| 62 | #include "protocol-versions.h" |
| 63 | |
| 64 | #ifdef GLXPROXY |
| 65 | extern VisualPtr glxMatchVisual(ScreenPtr pScreen, |
| 66 | VisualPtr pVisual, ScreenPtr pMatchScreen); |
| 67 | #endif |
| 68 | |
| 69 | /* |
| 70 | * PanoramiX data declarations |
| 71 | */ |
| 72 | |
| 73 | int PanoramiXPixWidth = 0; |
| 74 | int PanoramiXPixHeight = 0; |
| 75 | int PanoramiXNumScreens = 0; |
| 76 | |
| 77 | _X_EXPORT RegionRec PanoramiXScreenRegion = { {0, 0, 0, 0}, NULL }; |
| 78 | |
| 79 | static int PanoramiXNumDepths; |
| 80 | static DepthPtr PanoramiXDepths; |
| 81 | static int PanoramiXNumVisuals; |
| 82 | static VisualPtr PanoramiXVisuals; |
| 83 | |
| 84 | RESTYPE XRC_DRAWABLE; |
| 85 | RESTYPE XRT_WINDOW; |
| 86 | RESTYPE XRT_PIXMAP; |
| 87 | RESTYPE XRT_GC; |
| 88 | RESTYPE XRT_COLORMAP; |
| 89 | |
| 90 | static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr); |
| 91 | XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual; |
| 92 | |
| 93 | /* |
| 94 | * Function prototypes |
| 95 | */ |
| 96 | |
| 97 | static int panoramiXGeneration; |
| 98 | static int ProcPanoramiXDispatch(ClientPtr client); |
| 99 | |
| 100 | static void PanoramiXResetProc(ExtensionEntry *); |
| 101 | |
| 102 | /* |
| 103 | * External references for functions and data variables |
| 104 | */ |
| 105 | |
| 106 | #include "panoramiXh.h" |
| 107 | |
| 108 | int (*SavedProcVector[256]) (ClientPtr client) = { |
| 109 | NULL,}; |
| 110 | |
| 111 | static DevPrivateKeyRec PanoramiXGCKeyRec; |
| 112 | |
| 113 | #define PanoramiXGCKey (&PanoramiXGCKeyRec) |
| 114 | static DevPrivateKeyRec PanoramiXScreenKeyRec; |
| 115 | |
| 116 | #define PanoramiXScreenKey (&PanoramiXScreenKeyRec) |
| 117 | |
| 118 | typedef struct { |
| 119 | DDXPointRec clipOrg; |
| 120 | DDXPointRec patOrg; |
| 121 | GCFuncs *wrapFuncs; |
| 122 | } PanoramiXGCRec, *PanoramiXGCPtr; |
| 123 | |
| 124 | typedef struct { |
| 125 | CreateGCProcPtr CreateGC; |
| 126 | CloseScreenProcPtr CloseScreen; |
| 127 | } PanoramiXScreenRec, *PanoramiXScreenPtr; |
| 128 | |
| 129 | static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr); |
| 130 | static void XineramaChangeGC(GCPtr, unsigned long); |
| 131 | static void XineramaCopyGC(GCPtr, unsigned long, GCPtr); |
| 132 | static void XineramaDestroyGC(GCPtr); |
| 133 | static void XineramaChangeClip(GCPtr, int, pointer, int); |
| 134 | static void XineramaDestroyClip(GCPtr); |
| 135 | static void XineramaCopyClip(GCPtr, GCPtr); |
| 136 | |
| 137 | static GCFuncs XineramaGCFuncs = { |
| 138 | XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC, |
| 139 | XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip |
| 140 | }; |
| 141 | |
| 142 | #define Xinerama_GC_FUNC_PROLOGUE(pGC)\ |
| 143 | PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \ |
| 144 | dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \ |
| 145 | (pGC)->funcs = pGCPriv->wrapFuncs; |
| 146 | |
| 147 | #define Xinerama_GC_FUNC_EPILOGUE(pGC)\ |
| 148 | pGCPriv->wrapFuncs = (pGC)->funcs;\ |
| 149 | (pGC)->funcs = &XineramaGCFuncs; |
| 150 | |
| 151 | static Bool |
| 152 | XineramaCloseScreen(ScreenPtr pScreen) |
| 153 | { |
| 154 | PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) |
| 155 | dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); |
| 156 | |
| 157 | pScreen->CloseScreen = pScreenPriv->CloseScreen; |
| 158 | pScreen->CreateGC = pScreenPriv->CreateGC; |
| 159 | |
| 160 | if (pScreen->myNum == 0) |
| 161 | RegionUninit(&PanoramiXScreenRegion); |
| 162 | |
| 163 | free((pointer) pScreenPriv); |
| 164 | |
| 165 | return (*pScreen->CloseScreen) (pScreen); |
| 166 | } |
| 167 | |
| 168 | static Bool |
| 169 | XineramaCreateGC(GCPtr pGC) |
| 170 | { |
| 171 | ScreenPtr pScreen = pGC->pScreen; |
| 172 | PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) |
| 173 | dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); |
| 174 | Bool ret; |
| 175 | |
| 176 | pScreen->CreateGC = pScreenPriv->CreateGC; |
| 177 | if ((ret = (*pScreen->CreateGC) (pGC))) { |
| 178 | PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) |
| 179 | dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey); |
| 180 | |
| 181 | pGCPriv->wrapFuncs = pGC->funcs; |
| 182 | pGC->funcs = &XineramaGCFuncs; |
| 183 | |
| 184 | pGCPriv->clipOrg.x = pGC->clipOrg.x; |
| 185 | pGCPriv->clipOrg.y = pGC->clipOrg.y; |
| 186 | pGCPriv->patOrg.x = pGC->patOrg.x; |
| 187 | pGCPriv->patOrg.y = pGC->patOrg.y; |
| 188 | } |
| 189 | pScreen->CreateGC = XineramaCreateGC; |
| 190 | |
| 191 | return ret; |
| 192 | } |
| 193 | |
| 194 | static void |
| 195 | XineramaValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDraw) |
| 196 | { |
| 197 | Xinerama_GC_FUNC_PROLOGUE(pGC); |
| 198 | |
| 199 | if ((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr) pDraw)->parent)) { |
| 200 | /* the root window */ |
| 201 | int x_off = pGC->pScreen->x; |
| 202 | int y_off = pGC->pScreen->y; |
| 203 | int new_val; |
| 204 | |
| 205 | new_val = pGCPriv->clipOrg.x - x_off; |
| 206 | if (pGC->clipOrg.x != new_val) { |
| 207 | pGC->clipOrg.x = new_val; |
| 208 | changes |= GCClipXOrigin; |
| 209 | } |
| 210 | new_val = pGCPriv->clipOrg.y - y_off; |
| 211 | if (pGC->clipOrg.y != new_val) { |
| 212 | pGC->clipOrg.y = new_val; |
| 213 | changes |= GCClipYOrigin; |
| 214 | } |
| 215 | new_val = pGCPriv->patOrg.x - x_off; |
| 216 | if (pGC->patOrg.x != new_val) { |
| 217 | pGC->patOrg.x = new_val; |
| 218 | changes |= GCTileStipXOrigin; |
| 219 | } |
| 220 | new_val = pGCPriv->patOrg.y - y_off; |
| 221 | if (pGC->patOrg.y != new_val) { |
| 222 | pGC->patOrg.y = new_val; |
| 223 | changes |= GCTileStipYOrigin; |
| 224 | } |
| 225 | } |
| 226 | else { |
| 227 | if (pGC->clipOrg.x != pGCPriv->clipOrg.x) { |
| 228 | pGC->clipOrg.x = pGCPriv->clipOrg.x; |
| 229 | changes |= GCClipXOrigin; |
| 230 | } |
| 231 | if (pGC->clipOrg.y != pGCPriv->clipOrg.y) { |
| 232 | pGC->clipOrg.y = pGCPriv->clipOrg.y; |
| 233 | changes |= GCClipYOrigin; |
| 234 | } |
| 235 | if (pGC->patOrg.x != pGCPriv->patOrg.x) { |
| 236 | pGC->patOrg.x = pGCPriv->patOrg.x; |
| 237 | changes |= GCTileStipXOrigin; |
| 238 | } |
| 239 | if (pGC->patOrg.y != pGCPriv->patOrg.y) { |
| 240 | pGC->patOrg.y = pGCPriv->patOrg.y; |
| 241 | changes |= GCTileStipYOrigin; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | (*pGC->funcs->ValidateGC) (pGC, changes, pDraw); |
| 246 | Xinerama_GC_FUNC_EPILOGUE(pGC); |
| 247 | } |
| 248 | |
| 249 | static void |
| 250 | XineramaDestroyGC(GCPtr pGC) |
| 251 | { |
| 252 | Xinerama_GC_FUNC_PROLOGUE(pGC); |
| 253 | (*pGC->funcs->DestroyGC) (pGC); |
| 254 | Xinerama_GC_FUNC_EPILOGUE(pGC); |
| 255 | } |
| 256 | |
| 257 | static void |
| 258 | XineramaChangeGC(GCPtr pGC, unsigned long mask) |
| 259 | { |
| 260 | Xinerama_GC_FUNC_PROLOGUE(pGC); |
| 261 | |
| 262 | if (mask & GCTileStipXOrigin) |
| 263 | pGCPriv->patOrg.x = pGC->patOrg.x; |
| 264 | if (mask & GCTileStipYOrigin) |
| 265 | pGCPriv->patOrg.y = pGC->patOrg.y; |
| 266 | if (mask & GCClipXOrigin) |
| 267 | pGCPriv->clipOrg.x = pGC->clipOrg.x; |
| 268 | if (mask & GCClipYOrigin) |
| 269 | pGCPriv->clipOrg.y = pGC->clipOrg.y; |
| 270 | |
| 271 | (*pGC->funcs->ChangeGC) (pGC, mask); |
| 272 | Xinerama_GC_FUNC_EPILOGUE(pGC); |
| 273 | } |
| 274 | |
| 275 | static void |
| 276 | XineramaCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) |
| 277 | { |
| 278 | PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr) |
| 279 | dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey); |
| 280 | |
| 281 | Xinerama_GC_FUNC_PROLOGUE(pGCDst); |
| 282 | |
| 283 | if (mask & GCTileStipXOrigin) |
| 284 | pGCPriv->patOrg.x = pSrcPriv->patOrg.x; |
| 285 | if (mask & GCTileStipYOrigin) |
| 286 | pGCPriv->patOrg.y = pSrcPriv->patOrg.y; |
| 287 | if (mask & GCClipXOrigin) |
| 288 | pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x; |
| 289 | if (mask & GCClipYOrigin) |
| 290 | pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y; |
| 291 | |
| 292 | (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); |
| 293 | Xinerama_GC_FUNC_EPILOGUE(pGCDst); |
| 294 | } |
| 295 | |
| 296 | static void |
| 297 | XineramaChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects) |
| 298 | { |
| 299 | Xinerama_GC_FUNC_PROLOGUE(pGC); |
| 300 | (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); |
| 301 | Xinerama_GC_FUNC_EPILOGUE(pGC); |
| 302 | } |
| 303 | |
| 304 | static void |
| 305 | XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc) |
| 306 | { |
| 307 | Xinerama_GC_FUNC_PROLOGUE(pgcDst); |
| 308 | (*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc); |
| 309 | Xinerama_GC_FUNC_EPILOGUE(pgcDst); |
| 310 | } |
| 311 | |
| 312 | static void |
| 313 | XineramaDestroyClip(GCPtr pGC) |
| 314 | { |
| 315 | Xinerama_GC_FUNC_PROLOGUE(pGC); |
| 316 | (*pGC->funcs->DestroyClip) (pGC); |
| 317 | Xinerama_GC_FUNC_EPILOGUE(pGC); |
| 318 | } |
| 319 | |
| 320 | int |
| 321 | XineramaDeleteResource(pointer data, XID id) |
| 322 | { |
| 323 | free(data); |
| 324 | return 1; |
| 325 | } |
| 326 | |
| 327 | typedef struct { |
| 328 | int screen; |
| 329 | int id; |
| 330 | } PanoramiXSearchData; |
| 331 | |
| 332 | static Bool |
| 333 | XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata) |
| 334 | { |
| 335 | PanoramiXRes *res = (PanoramiXRes *) resource; |
| 336 | PanoramiXSearchData *data = (PanoramiXSearchData *) privdata; |
| 337 | |
| 338 | return res->info[data->screen].id == data->id; |
| 339 | } |
| 340 | |
| 341 | PanoramiXRes * |
| 342 | PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen) |
| 343 | { |
| 344 | PanoramiXSearchData data; |
| 345 | pointer val; |
| 346 | |
| 347 | if (!screen) { |
| 348 | dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess); |
| 349 | return val; |
| 350 | } |
| 351 | |
| 352 | data.screen = screen; |
| 353 | data.id = id; |
| 354 | |
| 355 | return LookupClientResourceComplex(clients[CLIENT_ID(id)], type, |
| 356 | XineramaFindIDByScrnum, &data); |
| 357 | } |
| 358 | |
| 359 | typedef struct _connect_callback_list { |
| 360 | void (*func) (void); |
| 361 | struct _connect_callback_list *next; |
| 362 | } XineramaConnectionCallbackList; |
| 363 | |
| 364 | static XineramaConnectionCallbackList *ConnectionCallbackList = NULL; |
| 365 | |
| 366 | Bool |
| 367 | XineramaRegisterConnectionBlockCallback(void (*func) (void)) |
| 368 | { |
| 369 | XineramaConnectionCallbackList *newlist; |
| 370 | |
| 371 | if (!(newlist = malloc(sizeof(XineramaConnectionCallbackList)))) |
| 372 | return FALSE; |
| 373 | |
| 374 | newlist->next = ConnectionCallbackList; |
| 375 | newlist->func = func; |
| 376 | ConnectionCallbackList = newlist; |
| 377 | |
| 378 | return TRUE; |
| 379 | } |
| 380 | |
| 381 | static void |
| 382 | XineramaInitData(void) |
| 383 | { |
| 384 | int i, w, h; |
| 385 | |
| 386 | RegionNull(&PanoramiXScreenRegion); |
| 387 | FOR_NSCREENS(i) { |
| 388 | BoxRec TheBox; |
| 389 | RegionRec ScreenRegion; |
| 390 | |
| 391 | ScreenPtr pScreen = screenInfo.screens[i]; |
| 392 | |
| 393 | TheBox.x1 = pScreen->x; |
| 394 | TheBox.x2 = TheBox.x1 + pScreen->width; |
| 395 | TheBox.y1 = pScreen->y; |
| 396 | TheBox.y2 = TheBox.y1 + pScreen->height; |
| 397 | |
| 398 | RegionInit(&ScreenRegion, &TheBox, 1); |
| 399 | RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion, |
| 400 | &ScreenRegion); |
| 401 | RegionUninit(&ScreenRegion); |
| 402 | } |
| 403 | |
| 404 | PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width; |
| 405 | PanoramiXPixHeight = |
| 406 | screenInfo.screens[0]->y + screenInfo.screens[0]->height; |
| 407 | |
| 408 | FOR_NSCREENS_FORWARD_SKIP(i) { |
| 409 | ScreenPtr pScreen = screenInfo.screens[i]; |
| 410 | |
| 411 | w = pScreen->x + pScreen->width; |
| 412 | h = pScreen->y + pScreen->height; |
| 413 | |
| 414 | if (PanoramiXPixWidth < w) |
| 415 | PanoramiXPixWidth = w; |
| 416 | if (PanoramiXPixHeight < h) |
| 417 | PanoramiXPixHeight = h; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | void |
| 422 | XineramaReinitData(void) |
| 423 | { |
| 424 | RegionUninit(&PanoramiXScreenRegion); |
| 425 | XineramaInitData(); |
| 426 | } |
| 427 | |
| 428 | /* |
| 429 | * PanoramiXExtensionInit(): |
| 430 | * Called from InitExtensions in main(). |
| 431 | * Register PanoramiXeen Extension |
| 432 | * Initialize global variables. |
| 433 | */ |
| 434 | |
| 435 | void |
| 436 | PanoramiXExtensionInit(void) |
| 437 | { |
| 438 | int i; |
| 439 | Bool success = FALSE; |
| 440 | ExtensionEntry *extEntry; |
| 441 | ScreenPtr pScreen = screenInfo.screens[0]; |
| 442 | PanoramiXScreenPtr pScreenPriv; |
| 443 | |
| 444 | if (noPanoramiXExtension) |
| 445 | return; |
| 446 | |
| 447 | if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) { |
| 448 | noPanoramiXExtension = TRUE; |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | if (!dixRegisterPrivateKey |
| 453 | (&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) { |
| 454 | noPanoramiXExtension = TRUE; |
| 455 | return; |
| 456 | } |
| 457 | |
| 458 | PanoramiXNumScreens = screenInfo.numScreens; |
| 459 | if (PanoramiXNumScreens == 1) { /* Only 1 screen */ |
| 460 | noPanoramiXExtension = TRUE; |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | while (panoramiXGeneration != serverGeneration) { |
| 465 | extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0, 0, |
| 466 | ProcPanoramiXDispatch, |
| 467 | SProcPanoramiXDispatch, PanoramiXResetProc, |
| 468 | StandardMinorOpcode); |
| 469 | if (!extEntry) |
| 470 | break; |
| 471 | |
| 472 | /* |
| 473 | * First make sure all the basic allocations succeed. If not, |
| 474 | * run in non-PanoramiXeen mode. |
| 475 | */ |
| 476 | |
| 477 | FOR_NSCREENS(i) { |
| 478 | pScreen = screenInfo.screens[i]; |
| 479 | pScreenPriv = malloc(sizeof(PanoramiXScreenRec)); |
| 480 | dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey, |
| 481 | pScreenPriv); |
| 482 | if (!pScreenPriv) { |
| 483 | noPanoramiXExtension = TRUE; |
| 484 | return; |
| 485 | } |
| 486 | |
| 487 | pScreenPriv->CreateGC = pScreen->CreateGC; |
| 488 | pScreenPriv->CloseScreen = pScreen->CloseScreen; |
| 489 | |
| 490 | pScreen->CreateGC = XineramaCreateGC; |
| 491 | pScreen->CloseScreen = XineramaCloseScreen; |
| 492 | } |
| 493 | |
| 494 | XRC_DRAWABLE = CreateNewResourceClass(); |
| 495 | XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource, |
| 496 | "XineramaWindow"); |
| 497 | if (XRT_WINDOW) |
| 498 | XRT_WINDOW |= XRC_DRAWABLE; |
| 499 | XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource, |
| 500 | "XineramaPixmap"); |
| 501 | if (XRT_PIXMAP) |
| 502 | XRT_PIXMAP |= XRC_DRAWABLE; |
| 503 | XRT_GC = CreateNewResourceType(XineramaDeleteResource, "XineramaGC"); |
| 504 | XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource, |
| 505 | "XineramaColormap"); |
| 506 | |
| 507 | if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) { |
| 508 | panoramiXGeneration = serverGeneration; |
| 509 | success = TRUE; |
| 510 | } |
| 511 | SetResourceTypeErrorValue(XRT_WINDOW, BadWindow); |
| 512 | SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap); |
| 513 | SetResourceTypeErrorValue(XRT_GC, BadGC); |
| 514 | SetResourceTypeErrorValue(XRT_COLORMAP, BadColor); |
| 515 | } |
| 516 | |
| 517 | if (!success) { |
| 518 | noPanoramiXExtension = TRUE; |
| 519 | ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n"); |
| 520 | return; |
| 521 | } |
| 522 | |
| 523 | XineramaInitData(); |
| 524 | |
| 525 | /* |
| 526 | * Put our processes into the ProcVector |
| 527 | */ |
| 528 | |
| 529 | for (i = 256; i--;) |
| 530 | SavedProcVector[i] = ProcVector[i]; |
| 531 | |
| 532 | ProcVector[X_CreateWindow] = PanoramiXCreateWindow; |
| 533 | ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes; |
| 534 | ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow; |
| 535 | ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows; |
| 536 | ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet; |
| 537 | ProcVector[X_ReparentWindow] = PanoramiXReparentWindow; |
| 538 | ProcVector[X_MapWindow] = PanoramiXMapWindow; |
| 539 | ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows; |
| 540 | ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow; |
| 541 | ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows; |
| 542 | ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow; |
| 543 | ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow; |
| 544 | ProcVector[X_GetGeometry] = PanoramiXGetGeometry; |
| 545 | ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords; |
| 546 | ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap; |
| 547 | ProcVector[X_FreePixmap] = PanoramiXFreePixmap; |
| 548 | ProcVector[X_CreateGC] = PanoramiXCreateGC; |
| 549 | ProcVector[X_ChangeGC] = PanoramiXChangeGC; |
| 550 | ProcVector[X_CopyGC] = PanoramiXCopyGC; |
| 551 | ProcVector[X_SetDashes] = PanoramiXSetDashes; |
| 552 | ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles; |
| 553 | ProcVector[X_FreeGC] = PanoramiXFreeGC; |
| 554 | ProcVector[X_ClearArea] = PanoramiXClearToBackground; |
| 555 | ProcVector[X_CopyArea] = PanoramiXCopyArea; |
| 556 | ProcVector[X_CopyPlane] = PanoramiXCopyPlane; |
| 557 | ProcVector[X_PolyPoint] = PanoramiXPolyPoint; |
| 558 | ProcVector[X_PolyLine] = PanoramiXPolyLine; |
| 559 | ProcVector[X_PolySegment] = PanoramiXPolySegment; |
| 560 | ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle; |
| 561 | ProcVector[X_PolyArc] = PanoramiXPolyArc; |
| 562 | ProcVector[X_FillPoly] = PanoramiXFillPoly; |
| 563 | ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle; |
| 564 | ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc; |
| 565 | ProcVector[X_PutImage] = PanoramiXPutImage; |
| 566 | ProcVector[X_GetImage] = PanoramiXGetImage; |
| 567 | ProcVector[X_PolyText8] = PanoramiXPolyText8; |
| 568 | ProcVector[X_PolyText16] = PanoramiXPolyText16; |
| 569 | ProcVector[X_ImageText8] = PanoramiXImageText8; |
| 570 | ProcVector[X_ImageText16] = PanoramiXImageText16; |
| 571 | ProcVector[X_CreateColormap] = PanoramiXCreateColormap; |
| 572 | ProcVector[X_FreeColormap] = PanoramiXFreeColormap; |
| 573 | ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree; |
| 574 | ProcVector[X_InstallColormap] = PanoramiXInstallColormap; |
| 575 | ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap; |
| 576 | ProcVector[X_AllocColor] = PanoramiXAllocColor; |
| 577 | ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor; |
| 578 | ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells; |
| 579 | ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes; |
| 580 | ProcVector[X_FreeColors] = PanoramiXFreeColors; |
| 581 | ProcVector[X_StoreColors] = PanoramiXStoreColors; |
| 582 | ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor; |
| 583 | |
| 584 | PanoramiXRenderInit(); |
| 585 | PanoramiXFixesInit(); |
| 586 | PanoramiXDamageInit(); |
| 587 | #ifdef COMPOSITE |
| 588 | PanoramiXCompositeInit(); |
| 589 | #endif |
| 590 | |
| 591 | } |
| 592 | |
| 593 | Bool |
| 594 | PanoramiXCreateConnectionBlock(void) |
| 595 | { |
| 596 | int i, j, length; |
| 597 | Bool disable_backing_store = FALSE; |
| 598 | int old_width, old_height; |
| 599 | float width_mult, height_mult; |
| 600 | xWindowRoot *root; |
| 601 | xVisualType *visual; |
| 602 | xDepth *depth; |
| 603 | VisualPtr pVisual; |
| 604 | ScreenPtr pScreen; |
| 605 | |
| 606 | /* |
| 607 | * Do normal CreateConnectionBlock but faking it for only one screen |
| 608 | */ |
| 609 | |
| 610 | if (!PanoramiXNumDepths) { |
| 611 | ErrorF("Xinerama error: No common visuals\n"); |
| 612 | return FALSE; |
| 613 | } |
| 614 | |
| 615 | for (i = 1; i < screenInfo.numScreens; i++) { |
| 616 | pScreen = screenInfo.screens[i]; |
| 617 | if (pScreen->rootDepth != screenInfo.screens[0]->rootDepth) { |
| 618 | ErrorF("Xinerama error: Root window depths differ\n"); |
| 619 | return FALSE; |
| 620 | } |
| 621 | if (pScreen->backingStoreSupport != |
| 622 | screenInfo.screens[0]->backingStoreSupport) |
| 623 | disable_backing_store = TRUE; |
| 624 | } |
| 625 | |
| 626 | if (disable_backing_store) { |
| 627 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 628 | pScreen = screenInfo.screens[i]; |
| 629 | pScreen->backingStoreSupport = NotUseful; |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | i = screenInfo.numScreens; |
| 634 | screenInfo.numScreens = 1; |
| 635 | if (!CreateConnectionBlock()) { |
| 636 | screenInfo.numScreens = i; |
| 637 | return FALSE; |
| 638 | } |
| 639 | |
| 640 | screenInfo.numScreens = i; |
| 641 | |
| 642 | root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); |
| 643 | length = connBlockScreenStart + sizeof(xWindowRoot); |
| 644 | |
| 645 | /* overwrite the connection block */ |
| 646 | root->nDepths = PanoramiXNumDepths; |
| 647 | |
| 648 | for (i = 0; i < PanoramiXNumDepths; i++) { |
| 649 | depth = (xDepth *) (ConnectionInfo + length); |
| 650 | depth->depth = PanoramiXDepths[i].depth; |
| 651 | depth->nVisuals = PanoramiXDepths[i].numVids; |
| 652 | length += sizeof(xDepth); |
| 653 | visual = (xVisualType *) (ConnectionInfo + length); |
| 654 | |
| 655 | for (j = 0; j < depth->nVisuals; j++, visual++) { |
| 656 | visual->visualID = PanoramiXDepths[i].vids[j]; |
| 657 | |
| 658 | for (pVisual = PanoramiXVisuals; |
| 659 | pVisual->vid != visual->visualID; pVisual++); |
| 660 | |
| 661 | visual->class = pVisual->class; |
| 662 | visual->bitsPerRGB = pVisual->bitsPerRGBValue; |
| 663 | visual->colormapEntries = pVisual->ColormapEntries; |
| 664 | visual->redMask = pVisual->redMask; |
| 665 | visual->greenMask = pVisual->greenMask; |
| 666 | visual->blueMask = pVisual->blueMask; |
| 667 | } |
| 668 | |
| 669 | length += (depth->nVisuals * sizeof(xVisualType)); |
| 670 | } |
| 671 | |
| 672 | connSetupPrefix.length = bytes_to_int32(length); |
| 673 | |
| 674 | for (i = 0; i < PanoramiXNumDepths; i++) |
| 675 | free(PanoramiXDepths[i].vids); |
| 676 | free(PanoramiXDepths); |
| 677 | PanoramiXDepths = NULL; |
| 678 | |
| 679 | /* |
| 680 | * OK, change some dimensions so it looks as if it were one big screen |
| 681 | */ |
| 682 | |
| 683 | old_width = root->pixWidth; |
| 684 | old_height = root->pixHeight; |
| 685 | |
| 686 | root->pixWidth = PanoramiXPixWidth; |
| 687 | root->pixHeight = PanoramiXPixHeight; |
| 688 | width_mult = (1.0 * root->pixWidth) / old_width; |
| 689 | height_mult = (1.0 * root->pixHeight) / old_height; |
| 690 | root->mmWidth *= width_mult; |
| 691 | root->mmHeight *= height_mult; |
| 692 | |
| 693 | while (ConnectionCallbackList) { |
| 694 | pointer tmp; |
| 695 | |
| 696 | tmp = (pointer) ConnectionCallbackList; |
| 697 | (*ConnectionCallbackList->func) (); |
| 698 | ConnectionCallbackList = ConnectionCallbackList->next; |
| 699 | free(tmp); |
| 700 | } |
| 701 | |
| 702 | return TRUE; |
| 703 | } |
| 704 | |
| 705 | /* |
| 706 | * This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that |
| 707 | * change way back before xf86 4.0, but the comment for _why_ is a bit |
| 708 | * opaque, so I'm not going to question it for now. |
| 709 | * |
| 710 | * This is probably better done as a screen hook so DBE/EVI/GLX can add |
| 711 | * their own tests, and adding privates to VisualRec so they don't have to |
| 712 | * do their own back-mapping. |
| 713 | */ |
| 714 | static Bool |
| 715 | VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b) |
| 716 | { |
| 717 | return ((a->class == b->class) && |
| 718 | (a->ColormapEntries == b->ColormapEntries) && |
| 719 | (a->nplanes == b->nplanes) && |
| 720 | (a->redMask == b->redMask) && |
| 721 | (a->greenMask == b->greenMask) && |
| 722 | (a->blueMask == b->blueMask) && |
| 723 | (a->offsetRed == b->offsetRed) && |
| 724 | (a->offsetGreen == b->offsetGreen) && |
| 725 | (a->offsetBlue == b->offsetBlue)); |
| 726 | } |
| 727 | |
| 728 | static void |
| 729 | PanoramiXMaybeAddDepth(DepthPtr pDepth) |
| 730 | { |
| 731 | ScreenPtr pScreen; |
| 732 | int j, k; |
| 733 | Bool found = FALSE; |
| 734 | |
| 735 | FOR_NSCREENS_FORWARD_SKIP(j) { |
| 736 | pScreen = screenInfo.screens[j]; |
| 737 | for (k = 0; k < pScreen->numDepths; k++) { |
| 738 | if (pScreen->allowedDepths[k].depth == pDepth->depth) { |
| 739 | found = TRUE; |
| 740 | break; |
| 741 | } |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | if (!found) |
| 746 | return; |
| 747 | |
| 748 | j = PanoramiXNumDepths; |
| 749 | PanoramiXNumDepths++; |
| 750 | PanoramiXDepths = realloc(PanoramiXDepths, |
| 751 | PanoramiXNumDepths * sizeof(DepthRec)); |
| 752 | PanoramiXDepths[j].depth = pDepth->depth; |
| 753 | PanoramiXDepths[j].numVids = 0; |
| 754 | /* XXX suboptimal, should grow these dynamically */ |
| 755 | if (pDepth->numVids) |
| 756 | PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids); |
| 757 | else |
| 758 | PanoramiXDepths[j].vids = NULL; |
| 759 | } |
| 760 | |
| 761 | static void |
| 762 | PanoramiXMaybeAddVisual(VisualPtr pVisual) |
| 763 | { |
| 764 | ScreenPtr pScreen; |
| 765 | int j, k; |
| 766 | Bool found = FALSE; |
| 767 | |
| 768 | FOR_NSCREENS_FORWARD_SKIP(j) { |
| 769 | pScreen = screenInfo.screens[j]; |
| 770 | found = FALSE; |
| 771 | |
| 772 | for (k = 0; k < pScreen->numVisuals; k++) { |
| 773 | VisualPtr candidate = &pScreen->visuals[k]; |
| 774 | |
| 775 | if ((*XineramaVisualsEqualPtr) (pVisual, pScreen, candidate) |
| 776 | #ifdef GLXPROXY |
| 777 | && glxMatchVisual(screenInfo.screens[0], pVisual, pScreen) |
| 778 | #endif |
| 779 | ) { |
| 780 | found = TRUE; |
| 781 | break; |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | if (!found) |
| 786 | return; |
| 787 | } |
| 788 | |
| 789 | /* found a matching visual on all screens, add it to the subset list */ |
| 790 | j = PanoramiXNumVisuals; |
| 791 | PanoramiXNumVisuals++; |
| 792 | PanoramiXVisuals = realloc(PanoramiXVisuals, |
| 793 | PanoramiXNumVisuals * sizeof(VisualRec)); |
| 794 | |
| 795 | memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec)); |
| 796 | |
| 797 | for (k = 0; k < PanoramiXNumDepths; k++) { |
| 798 | if (PanoramiXDepths[k].depth == pVisual->nplanes) { |
| 799 | PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid; |
| 800 | PanoramiXDepths[k].numVids++; |
| 801 | break; |
| 802 | } |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | extern void |
| 807 | PanoramiXConsolidate(void) |
| 808 | { |
| 809 | int i; |
| 810 | PanoramiXRes *root, *defmap, *saver; |
| 811 | ScreenPtr pScreen = screenInfo.screens[0]; |
| 812 | DepthPtr pDepth = pScreen->allowedDepths; |
| 813 | VisualPtr pVisual = pScreen->visuals; |
| 814 | |
| 815 | PanoramiXNumDepths = 0; |
| 816 | PanoramiXNumVisuals = 0; |
| 817 | |
| 818 | for (i = 0; i < pScreen->numDepths; i++) |
| 819 | PanoramiXMaybeAddDepth(pDepth++); |
| 820 | |
| 821 | for (i = 0; i < pScreen->numVisuals; i++) |
| 822 | PanoramiXMaybeAddVisual(pVisual++); |
| 823 | |
| 824 | root = malloc(sizeof(PanoramiXRes)); |
| 825 | root->type = XRT_WINDOW; |
| 826 | defmap = malloc(sizeof(PanoramiXRes)); |
| 827 | defmap->type = XRT_COLORMAP; |
| 828 | saver = malloc(sizeof(PanoramiXRes)); |
| 829 | saver->type = XRT_WINDOW; |
| 830 | |
| 831 | FOR_NSCREENS(i) { |
| 832 | ScreenPtr scr = screenInfo.screens[i]; |
| 833 | |
| 834 | root->info[i].id = scr->root->drawable.id; |
| 835 | root->u.win.class = InputOutput; |
| 836 | root->u.win.root = TRUE; |
| 837 | saver->info[i].id = scr->screensaver.wid; |
| 838 | saver->u.win.class = InputOutput; |
| 839 | saver->u.win.root = TRUE; |
| 840 | defmap->info[i].id = scr->defColormap; |
| 841 | } |
| 842 | |
| 843 | AddResource(root->info[0].id, XRT_WINDOW, root); |
| 844 | AddResource(saver->info[0].id, XRT_WINDOW, saver); |
| 845 | AddResource(defmap->info[0].id, XRT_COLORMAP, defmap); |
| 846 | } |
| 847 | |
| 848 | VisualID |
| 849 | PanoramiXTranslateVisualID(int screen, VisualID orig) |
| 850 | { |
| 851 | ScreenPtr pOtherScreen = screenInfo.screens[screen]; |
| 852 | VisualPtr pVisual = NULL; |
| 853 | int i; |
| 854 | |
| 855 | for (i = 0; i < PanoramiXNumVisuals; i++) { |
| 856 | if (orig == PanoramiXVisuals[i].vid) { |
| 857 | pVisual = &PanoramiXVisuals[i]; |
| 858 | break; |
| 859 | } |
| 860 | } |
| 861 | |
| 862 | if (!pVisual) |
| 863 | return 0; |
| 864 | |
| 865 | /* if screen is 0, orig is already the correct visual ID */ |
| 866 | if (screen == 0) |
| 867 | return orig; |
| 868 | |
| 869 | /* found the original, now translate it relative to the backend screen */ |
| 870 | for (i = 0; i < pOtherScreen->numVisuals; i++) { |
| 871 | VisualPtr pOtherVisual = &pOtherScreen->visuals[i]; |
| 872 | |
| 873 | if ((*XineramaVisualsEqualPtr) (pVisual, pOtherScreen, pOtherVisual)) |
| 874 | return pOtherVisual->vid; |
| 875 | } |
| 876 | |
| 877 | return 0; |
| 878 | } |
| 879 | |
| 880 | /* |
| 881 | * PanoramiXResetProc() |
| 882 | * Exit, deallocating as needed. |
| 883 | */ |
| 884 | |
| 885 | static void |
| 886 | PanoramiXResetProc(ExtensionEntry * extEntry) |
| 887 | { |
| 888 | int i; |
| 889 | |
| 890 | PanoramiXRenderReset(); |
| 891 | PanoramiXFixesReset(); |
| 892 | PanoramiXDamageReset(); |
| 893 | #ifdef COMPOSITE |
| 894 | PanoramiXCompositeReset (); |
| 895 | #endif |
| 896 | screenInfo.numScreens = PanoramiXNumScreens; |
| 897 | for (i = 256; i--;) |
| 898 | ProcVector[i] = SavedProcVector[i]; |
| 899 | } |
| 900 | |
| 901 | int |
| 902 | ProcPanoramiXQueryVersion(ClientPtr client) |
| 903 | { |
| 904 | /* REQUEST(xPanoramiXQueryVersionReq); */ |
| 905 | xPanoramiXQueryVersionReply rep = { |
| 906 | .type = X_Reply, |
| 907 | .sequenceNumber = client->sequence, |
| 908 | .length = 0, |
| 909 | .majorVersion = SERVER_PANORAMIX_MAJOR_VERSION, |
| 910 | .minorVersion = SERVER_PANORAMIX_MINOR_VERSION |
| 911 | }; |
| 912 | |
| 913 | REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq); |
| 914 | if (client->swapped) { |
| 915 | swaps(&rep.sequenceNumber); |
| 916 | swapl(&rep.length); |
| 917 | swaps(&rep.majorVersion); |
| 918 | swaps(&rep.minorVersion); |
| 919 | } |
| 920 | WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), &rep); |
| 921 | return Success; |
| 922 | } |
| 923 | |
| 924 | int |
| 925 | ProcPanoramiXGetState(ClientPtr client) |
| 926 | { |
| 927 | REQUEST(xPanoramiXGetStateReq); |
| 928 | WindowPtr pWin; |
| 929 | xPanoramiXGetStateReply rep; |
| 930 | int rc; |
| 931 | |
| 932 | REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); |
| 933 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); |
| 934 | if (rc != Success) |
| 935 | return rc; |
| 936 | |
| 937 | rep = (xPanoramiXGetStateReply) { |
| 938 | .type = X_Reply, |
| 939 | .state = !noPanoramiXExtension, |
| 940 | .sequenceNumber = client->sequence, |
| 941 | .length = 0, |
| 942 | .window = stuff->window |
| 943 | }; |
| 944 | if (client->swapped) { |
| 945 | swaps(&rep.sequenceNumber); |
| 946 | swapl(&rep.length); |
| 947 | swapl(&rep.window); |
| 948 | } |
| 949 | WriteToClient(client, sizeof(xPanoramiXGetStateReply), &rep); |
| 950 | return Success; |
| 951 | |
| 952 | } |
| 953 | |
| 954 | int |
| 955 | ProcPanoramiXGetScreenCount(ClientPtr client) |
| 956 | { |
| 957 | REQUEST(xPanoramiXGetScreenCountReq); |
| 958 | WindowPtr pWin; |
| 959 | xPanoramiXGetScreenCountReply rep; |
| 960 | int rc; |
| 961 | |
| 962 | REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); |
| 963 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); |
| 964 | if (rc != Success) |
| 965 | return rc; |
| 966 | |
| 967 | rep = (xPanoramiXGetScreenCountReply) { |
| 968 | .type = X_Reply, |
| 969 | .ScreenCount = PanoramiXNumScreens, |
| 970 | .sequenceNumber = client->sequence, |
| 971 | .length = 0, |
| 972 | .window = stuff->window |
| 973 | }; |
| 974 | if (client->swapped) { |
| 975 | swaps(&rep.sequenceNumber); |
| 976 | swapl(&rep.length); |
| 977 | swapl(&rep.window); |
| 978 | } |
| 979 | WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), &rep); |
| 980 | return Success; |
| 981 | } |
| 982 | |
| 983 | int |
| 984 | ProcPanoramiXGetScreenSize(ClientPtr client) |
| 985 | { |
| 986 | REQUEST(xPanoramiXGetScreenSizeReq); |
| 987 | WindowPtr pWin; |
| 988 | xPanoramiXGetScreenSizeReply rep; |
| 989 | int rc; |
| 990 | |
| 991 | if (stuff->screen >= PanoramiXNumScreens) |
| 992 | return BadMatch; |
| 993 | |
| 994 | REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); |
| 995 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); |
| 996 | if (rc != Success) |
| 997 | return rc; |
| 998 | |
| 999 | rep = (xPanoramiXGetScreenSizeReply) { |
| 1000 | .type = X_Reply, |
| 1001 | .sequenceNumber = client->sequence, |
| 1002 | .length = 0, |
| 1003 | /* screen dimensions */ |
| 1004 | .width = screenInfo.screens[stuff->screen]->width, |
| 1005 | .height = screenInfo.screens[stuff->screen]->height, |
| 1006 | .window = stuff->window, |
| 1007 | .screen = stuff->screen |
| 1008 | }; |
| 1009 | if (client->swapped) { |
| 1010 | swaps(&rep.sequenceNumber); |
| 1011 | swapl(&rep.length); |
| 1012 | swapl(&rep.width); |
| 1013 | swapl(&rep.height); |
| 1014 | swapl(&rep.window); |
| 1015 | swapl(&rep.screen); |
| 1016 | } |
| 1017 | WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), &rep); |
| 1018 | return Success; |
| 1019 | } |
| 1020 | |
| 1021 | int |
| 1022 | ProcXineramaIsActive(ClientPtr client) |
| 1023 | { |
| 1024 | /* REQUEST(xXineramaIsActiveReq); */ |
| 1025 | xXineramaIsActiveReply rep; |
| 1026 | |
| 1027 | REQUEST_SIZE_MATCH(xXineramaIsActiveReq); |
| 1028 | |
| 1029 | rep = (xXineramaIsActiveReply) { |
| 1030 | .type = X_Reply, |
| 1031 | .sequenceNumber = client->sequence, |
| 1032 | .length = 0, |
| 1033 | #if 1 |
| 1034 | /* The following hack fools clients into thinking that Xinerama |
| 1035 | * is disabled even though it is not. */ |
| 1036 | .state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack |
| 1037 | #else |
| 1038 | .state = !noPanoramiXExtension; |
| 1039 | #endif |
| 1040 | }; |
| 1041 | if (client->swapped) { |
| 1042 | swaps(&rep.sequenceNumber); |
| 1043 | swapl(&rep.length); |
| 1044 | swapl(&rep.state); |
| 1045 | } |
| 1046 | WriteToClient(client, sizeof(xXineramaIsActiveReply), &rep); |
| 1047 | return Success; |
| 1048 | } |
| 1049 | |
| 1050 | int |
| 1051 | ProcXineramaQueryScreens(ClientPtr client) |
| 1052 | { |
| 1053 | /* REQUEST(xXineramaQueryScreensReq); */ |
| 1054 | CARD32 number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens; |
| 1055 | xXineramaQueryScreensReply rep = { |
| 1056 | .type = X_Reply, |
| 1057 | .sequenceNumber = client->sequence, |
| 1058 | .length = bytes_to_int32(number * sz_XineramaScreenInfo), |
| 1059 | .number = number |
| 1060 | }; |
| 1061 | |
| 1062 | REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); |
| 1063 | |
| 1064 | if (client->swapped) { |
| 1065 | swaps(&rep.sequenceNumber); |
| 1066 | swapl(&rep.length); |
| 1067 | swapl(&rep.number); |
| 1068 | } |
| 1069 | WriteToClient(client, sizeof(xXineramaQueryScreensReply), &rep); |
| 1070 | |
| 1071 | if (!noPanoramiXExtension) { |
| 1072 | xXineramaScreenInfo scratch; |
| 1073 | int i; |
| 1074 | |
| 1075 | FOR_NSCREENS(i) { |
| 1076 | scratch.x_org = screenInfo.screens[i]->x; |
| 1077 | scratch.y_org = screenInfo.screens[i]->y; |
| 1078 | scratch.width = screenInfo.screens[i]->width; |
| 1079 | scratch.height = screenInfo.screens[i]->height; |
| 1080 | |
| 1081 | if (client->swapped) { |
| 1082 | swaps(&scratch.x_org); |
| 1083 | swaps(&scratch.y_org); |
| 1084 | swaps(&scratch.width); |
| 1085 | swaps(&scratch.height); |
| 1086 | } |
| 1087 | WriteToClient(client, sz_XineramaScreenInfo, &scratch); |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | return Success; |
| 1092 | } |
| 1093 | |
| 1094 | static int |
| 1095 | ProcPanoramiXDispatch(ClientPtr client) |
| 1096 | { |
| 1097 | REQUEST(xReq); |
| 1098 | switch (stuff->data) { |
| 1099 | case X_PanoramiXQueryVersion: |
| 1100 | return ProcPanoramiXQueryVersion(client); |
| 1101 | case X_PanoramiXGetState: |
| 1102 | return ProcPanoramiXGetState(client); |
| 1103 | case X_PanoramiXGetScreenCount: |
| 1104 | return ProcPanoramiXGetScreenCount(client); |
| 1105 | case X_PanoramiXGetScreenSize: |
| 1106 | return ProcPanoramiXGetScreenSize(client); |
| 1107 | case X_XineramaIsActive: |
| 1108 | return ProcXineramaIsActive(client); |
| 1109 | case X_XineramaQueryScreens: |
| 1110 | return ProcXineramaQueryScreens(client); |
| 1111 | } |
| 1112 | return BadRequest; |
| 1113 | } |
| 1114 | |
| 1115 | #if X_BYTE_ORDER == X_LITTLE_ENDIAN |
| 1116 | #define SHIFT_L(v,s) (v) << (s) |
| 1117 | #define SHIFT_R(v,s) (v) >> (s) |
| 1118 | #else |
| 1119 | #define SHIFT_L(v,s) (v) >> (s) |
| 1120 | #define SHIFT_R(v,s) (v) << (s) |
| 1121 | #endif |
| 1122 | |
| 1123 | static void |
| 1124 | CopyBits(char *dst, int shiftL, char *src, int bytes) |
| 1125 | { |
| 1126 | /* Just get it to work. Worry about speed later */ |
| 1127 | int shiftR = 8 - shiftL; |
| 1128 | |
| 1129 | while (bytes--) { |
| 1130 | *dst |= SHIFT_L(*src, shiftL); |
| 1131 | *(dst + 1) |= SHIFT_R(*src, shiftR); |
| 1132 | dst++; |
| 1133 | src++; |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | /* Caution. This doesn't support 2 and 4 bpp formats. We expect |
| 1138 | 1 bpp and planar data to be already cleared when presented |
| 1139 | to this function */ |
| 1140 | |
| 1141 | void |
| 1142 | XineramaGetImageData(DrawablePtr *pDrawables, |
| 1143 | int left, |
| 1144 | int top, |
| 1145 | int width, |
| 1146 | int height, |
| 1147 | unsigned int format, |
| 1148 | unsigned long planemask, |
| 1149 | char *data, int pitch, Bool isRoot) |
| 1150 | { |
| 1151 | RegionRec SrcRegion, ScreenRegion, GrabRegion; |
| 1152 | BoxRec SrcBox, *pbox; |
| 1153 | int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth; |
| 1154 | DrawablePtr pDraw = pDrawables[0]; |
| 1155 | char *ScratchMem = NULL; |
| 1156 | |
| 1157 | size = 0; |
| 1158 | |
| 1159 | /* find box in logical screen space */ |
| 1160 | SrcBox.x1 = left; |
| 1161 | SrcBox.y1 = top; |
| 1162 | if (!isRoot) { |
| 1163 | SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x; |
| 1164 | SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y; |
| 1165 | } |
| 1166 | SrcBox.x2 = SrcBox.x1 + width; |
| 1167 | SrcBox.y2 = SrcBox.y1 + height; |
| 1168 | |
| 1169 | RegionInit(&SrcRegion, &SrcBox, 1); |
| 1170 | RegionNull(&GrabRegion); |
| 1171 | |
| 1172 | depth = (format == XYPixmap) ? 1 : pDraw->depth; |
| 1173 | |
| 1174 | FOR_NSCREENS(i) { |
| 1175 | BoxRec TheBox; |
| 1176 | ScreenPtr pScreen; |
| 1177 | |
| 1178 | pDraw = pDrawables[i]; |
| 1179 | pScreen = pDraw->pScreen; |
| 1180 | |
| 1181 | TheBox.x1 = pScreen->x; |
| 1182 | TheBox.x2 = TheBox.x1 + pScreen->width; |
| 1183 | TheBox.y1 = pScreen->y; |
| 1184 | TheBox.y2 = TheBox.y1 + pScreen->height; |
| 1185 | |
| 1186 | RegionInit(&ScreenRegion, &TheBox, 1); |
| 1187 | inOut = RegionContainsRect(&ScreenRegion, &SrcBox); |
| 1188 | if (inOut == rgnPART) |
| 1189 | RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion); |
| 1190 | RegionUninit(&ScreenRegion); |
| 1191 | |
| 1192 | if (inOut == rgnIN) { |
| 1193 | (*pScreen->GetImage) (pDraw, |
| 1194 | SrcBox.x1 - pDraw->x - |
| 1195 | screenInfo.screens[i]->x, |
| 1196 | SrcBox.y1 - pDraw->y - |
| 1197 | screenInfo.screens[i]->y, width, height, |
| 1198 | format, planemask, data); |
| 1199 | break; |
| 1200 | } |
| 1201 | else if (inOut == rgnOUT) |
| 1202 | continue; |
| 1203 | |
| 1204 | nbox = RegionNumRects(&GrabRegion); |
| 1205 | |
| 1206 | if (nbox) { |
| 1207 | pbox = RegionRects(&GrabRegion); |
| 1208 | |
| 1209 | while (nbox--) { |
| 1210 | w = pbox->x2 - pbox->x1; |
| 1211 | h = pbox->y2 - pbox->y1; |
| 1212 | ScratchPitch = PixmapBytePad(w, depth); |
| 1213 | sizeNeeded = ScratchPitch * h; |
| 1214 | |
| 1215 | if (sizeNeeded > size) { |
| 1216 | char *tmpdata = ScratchMem; |
| 1217 | |
| 1218 | ScratchMem = realloc(ScratchMem, sizeNeeded); |
| 1219 | if (ScratchMem) |
| 1220 | size = sizeNeeded; |
| 1221 | else { |
| 1222 | ScratchMem = tmpdata; |
| 1223 | break; |
| 1224 | } |
| 1225 | } |
| 1226 | |
| 1227 | x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x; |
| 1228 | y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y; |
| 1229 | |
| 1230 | (*pScreen->GetImage) (pDraw, x, y, w, h, |
| 1231 | format, planemask, ScratchMem); |
| 1232 | |
| 1233 | /* copy the memory over */ |
| 1234 | |
| 1235 | if (depth == 1) { |
| 1236 | int k, shift, leftover, index, index2; |
| 1237 | |
| 1238 | x = pbox->x1 - SrcBox.x1; |
| 1239 | y = pbox->y1 - SrcBox.y1; |
| 1240 | shift = x & 7; |
| 1241 | x >>= 3; |
| 1242 | leftover = w & 7; |
| 1243 | w >>= 3; |
| 1244 | |
| 1245 | /* clean up the edge */ |
| 1246 | if (leftover) { |
| 1247 | int mask = (1 << leftover) - 1; |
| 1248 | |
| 1249 | for (j = h, k = w; j--; k += ScratchPitch) |
| 1250 | ScratchMem[k] &= mask; |
| 1251 | } |
| 1252 | |
| 1253 | for (j = 0, index = (pitch * y) + x, index2 = 0; j < h; |
| 1254 | j++, index += pitch, index2 += ScratchPitch) { |
| 1255 | if (w) { |
| 1256 | if (!shift) |
| 1257 | memcpy(data + index, ScratchMem + index2, w); |
| 1258 | else |
| 1259 | CopyBits(data + index, shift, |
| 1260 | ScratchMem + index2, w); |
| 1261 | } |
| 1262 | |
| 1263 | if (leftover) { |
| 1264 | data[index + w] |= |
| 1265 | SHIFT_L(ScratchMem[index2 + w], shift); |
| 1266 | if ((shift + leftover) > 8) |
| 1267 | data[index + w + 1] |= |
| 1268 | SHIFT_R(ScratchMem[index2 + w], |
| 1269 | (8 - shift)); |
| 1270 | } |
| 1271 | } |
| 1272 | } |
| 1273 | else { |
| 1274 | j = BitsPerPixel(depth) >> 3; |
| 1275 | x = (pbox->x1 - SrcBox.x1) * j; |
| 1276 | y = pbox->y1 - SrcBox.y1; |
| 1277 | w *= j; |
| 1278 | |
| 1279 | for (j = 0; j < h; j++) { |
| 1280 | memcpy(data + (pitch * (y + j)) + x, |
| 1281 | ScratchMem + (ScratchPitch * j), w); |
| 1282 | } |
| 1283 | } |
| 1284 | pbox++; |
| 1285 | } |
| 1286 | |
| 1287 | RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion); |
| 1288 | if (!RegionNotEmpty(&SrcRegion)) |
| 1289 | break; |
| 1290 | } |
| 1291 | |
| 1292 | } |
| 1293 | |
| 1294 | free(ScratchMem); |
| 1295 | |
| 1296 | RegionUninit(&SrcRegion); |
| 1297 | RegionUninit(&GrabRegion); |
| 1298 | } |