| File: | randr/rrcrtc.c |
| Location: | line 1011, column 20 |
| Description: | Array access (from variable 'outputs') results in a null pointer dereference |
| 1 | /* | |||
| 2 | * Copyright © 2006 Keith Packard | |||
| 3 | * Copyright 2010 Red Hat, Inc | |||
| 4 | * | |||
| 5 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
| 6 | * documentation for any purpose is hereby granted without fee, provided that | |||
| 7 | * the above copyright notice appear in all copies and that both that copyright | |||
| 8 | * notice and this permission notice appear in supporting documentation, and | |||
| 9 | * that the name of the copyright holders not be used in advertising or | |||
| 10 | * publicity pertaining to distribution of the software without specific, | |||
| 11 | * written prior permission. The copyright holders make no representations | |||
| 12 | * about the suitability of this software for any purpose. It is provided "as | |||
| 13 | * is" without express or implied warranty. | |||
| 14 | * | |||
| 15 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
| 16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |||
| 17 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
| 18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |||
| 19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |||
| 20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |||
| 21 | * OF THIS SOFTWARE. | |||
| 22 | */ | |||
| 23 | ||||
| 24 | #include "randrstr.h" | |||
| 25 | #include "swaprep.h" | |||
| 26 | #include "mipointer.h" | |||
| 27 | ||||
| 28 | RESTYPE RRCrtcType; | |||
| 29 | ||||
| 30 | /* | |||
| 31 | * Notify the CRTC of some change | |||
| 32 | */ | |||
| 33 | void | |||
| 34 | RRCrtcChanged(RRCrtcPtr crtc, Bool layoutChanged) | |||
| 35 | { | |||
| 36 | ScreenPtr pScreen = crtc->pScreen; | |||
| 37 | ||||
| 38 | crtc->changed = TRUE1; | |||
| 39 | if (pScreen) { | |||
| 40 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 41 | ||||
| 42 | RRSetChanged(pScreen); | |||
| 43 | /* | |||
| 44 | * Send ConfigureNotify on any layout change | |||
| 45 | */ | |||
| 46 | if (layoutChanged) | |||
| 47 | pScrPriv->layoutChanged = TRUE1; | |||
| 48 | } | |||
| 49 | } | |||
| 50 | ||||
| 51 | /* | |||
| 52 | * Create a CRTC | |||
| 53 | */ | |||
| 54 | RRCrtcPtr | |||
| 55 | RRCrtcCreate(ScreenPtr pScreen, void *devPrivate) | |||
| 56 | { | |||
| 57 | RRCrtcPtr crtc; | |||
| 58 | RRCrtcPtr *crtcs; | |||
| 59 | rrScrPrivPtr pScrPriv; | |||
| 60 | ||||
| 61 | if (!RRInit()) | |||
| 62 | return NULL((void*)0); | |||
| 63 | ||||
| 64 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
| 65 | ||||
| 66 | /* make space for the crtc pointer */ | |||
| 67 | if (pScrPriv->numCrtcs) | |||
| 68 | crtcs = reallocarrayxreallocarray(pScrPriv->crtcs, | |||
| 69 | pScrPriv->numCrtcs + 1, sizeof(RRCrtcPtr)); | |||
| 70 | else | |||
| 71 | crtcs = malloc(sizeof(RRCrtcPtr)); | |||
| 72 | if (!crtcs) | |||
| 73 | return FALSE0; | |||
| 74 | pScrPriv->crtcs = crtcs; | |||
| 75 | ||||
| 76 | crtc = calloc(1, sizeof(RRCrtcRec)); | |||
| 77 | if (!crtc) | |||
| 78 | return NULL((void*)0); | |||
| 79 | crtc->id = FakeClientID(0); | |||
| 80 | crtc->pScreen = pScreen; | |||
| 81 | crtc->mode = NULL((void*)0); | |||
| 82 | crtc->x = 0; | |||
| 83 | crtc->y = 0; | |||
| 84 | crtc->rotation = RR_Rotate_01; | |||
| 85 | crtc->rotations = RR_Rotate_01; | |||
| 86 | crtc->outputs = NULL((void*)0); | |||
| 87 | crtc->numOutputs = 0; | |||
| 88 | crtc->gammaSize = 0; | |||
| 89 | crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL((void*)0); | |||
| 90 | crtc->changed = FALSE0; | |||
| 91 | crtc->devPrivate = devPrivate; | |||
| 92 | RRTransformInit(&crtc->client_pending_transform); | |||
| 93 | RRTransformInit(&crtc->client_current_transform); | |||
| 94 | pixman_transform_init_identity(&crtc->transform); | |||
| 95 | pixman_f_transform_init_identity(&crtc->f_transform); | |||
| 96 | pixman_f_transform_init_identity(&crtc->f_inverse); | |||
| 97 | ||||
| 98 | if (!AddResourceDarwin_X_AddResource(crtc->id, RRCrtcType, (void *) crtc)) | |||
| 99 | return NULL((void*)0); | |||
| 100 | ||||
| 101 | /* attach the screen and crtc together */ | |||
| 102 | crtc->pScreen = pScreen; | |||
| 103 | pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc; | |||
| 104 | ||||
| 105 | RRResourcesChanged(pScreen); | |||
| 106 | ||||
| 107 | return crtc; | |||
| 108 | } | |||
| 109 | ||||
| 110 | /* | |||
| 111 | * Set the allowed rotations on a CRTC | |||
| 112 | */ | |||
| 113 | void | |||
| 114 | RRCrtcSetRotations(RRCrtcPtr crtc, Rotation rotations) | |||
| 115 | { | |||
| 116 | crtc->rotations = rotations; | |||
| 117 | } | |||
| 118 | ||||
| 119 | /* | |||
| 120 | * Set whether transforms are allowed on a CRTC | |||
| 121 | */ | |||
| 122 | void | |||
| 123 | RRCrtcSetTransformSupport(RRCrtcPtr crtc, Bool transforms) | |||
| 124 | { | |||
| 125 | crtc->transforms = transforms; | |||
| 126 | } | |||
| 127 | ||||
| 128 | /* | |||
| 129 | * Notify the extension that the Crtc has been reconfigured, | |||
| 130 | * the driver calls this whenever it has updated the mode | |||
| 131 | */ | |||
| 132 | Bool | |||
| 133 | RRCrtcNotify(RRCrtcPtr crtc, | |||
| 134 | RRModePtr mode, | |||
| 135 | int x, | |||
| 136 | int y, | |||
| 137 | Rotation rotation, | |||
| 138 | RRTransformPtr transform, int numOutputs, RROutputPtr * outputs) | |||
| 139 | { | |||
| 140 | int i, j; | |||
| 141 | ||||
| 142 | /* | |||
| 143 | * Check to see if any of the new outputs were | |||
| 144 | * not in the old list and mark them as changed | |||
| 145 | */ | |||
| 146 | for (i = 0; i < numOutputs; i++) { | |||
| 147 | for (j = 0; j < crtc->numOutputs; j++) | |||
| 148 | if (outputs[i] == crtc->outputs[j]) | |||
| 149 | break; | |||
| 150 | if (j == crtc->numOutputs) { | |||
| 151 | outputs[i]->crtc = crtc; | |||
| 152 | RROutputChanged(outputs[i], FALSE0); | |||
| 153 | RRCrtcChanged(crtc, FALSE0); | |||
| 154 | } | |||
| 155 | } | |||
| 156 | /* | |||
| 157 | * Check to see if any of the old outputs are | |||
| 158 | * not in the new list and mark them as changed | |||
| 159 | */ | |||
| 160 | for (j = 0; j < crtc->numOutputs; j++) { | |||
| 161 | for (i = 0; i < numOutputs; i++) | |||
| 162 | if (outputs[i] == crtc->outputs[j]) | |||
| 163 | break; | |||
| 164 | if (i == numOutputs) { | |||
| 165 | if (crtc->outputs[j]->crtc == crtc) | |||
| 166 | crtc->outputs[j]->crtc = NULL((void*)0); | |||
| 167 | RROutputChanged(crtc->outputs[j], FALSE0); | |||
| 168 | RRCrtcChanged(crtc, FALSE0); | |||
| 169 | } | |||
| 170 | } | |||
| 171 | /* | |||
| 172 | * Reallocate the crtc output array if necessary | |||
| 173 | */ | |||
| 174 | if (numOutputs != crtc->numOutputs) { | |||
| 175 | RROutputPtr *newoutputs; | |||
| 176 | ||||
| 177 | if (numOutputs) { | |||
| 178 | if (crtc->numOutputs) | |||
| 179 | newoutputs = reallocarrayxreallocarray(crtc->outputs, | |||
| 180 | numOutputs, sizeof(RROutputPtr)); | |||
| 181 | else | |||
| 182 | newoutputs = xallocarray(numOutputs, sizeof(RROutputPtr))xreallocarray(((void*)0), (numOutputs), (sizeof(RROutputPtr)) ); | |||
| 183 | if (!newoutputs) | |||
| 184 | return FALSE0; | |||
| 185 | } | |||
| 186 | else { | |||
| 187 | free(crtc->outputs); | |||
| 188 | newoutputs = NULL((void*)0); | |||
| 189 | } | |||
| 190 | crtc->outputs = newoutputs; | |||
| 191 | crtc->numOutputs = numOutputs; | |||
| 192 | } | |||
| 193 | /* | |||
| 194 | * Copy the new list of outputs into the crtc | |||
| 195 | */ | |||
| 196 | memcpy(crtc->outputs, outputs, numOutputs * sizeof(RROutputPtr))__builtin___memcpy_chk (crtc->outputs, outputs, numOutputs * sizeof(RROutputPtr), __builtin_object_size (crtc->outputs , 0)); | |||
| 197 | /* | |||
| 198 | * Update remaining crtc fields | |||
| 199 | */ | |||
| 200 | if (mode != crtc->mode) { | |||
| 201 | if (crtc->mode) | |||
| 202 | RRModeDestroy(crtc->mode); | |||
| 203 | crtc->mode = mode; | |||
| 204 | if (mode != NULL((void*)0)) | |||
| 205 | mode->refcnt++; | |||
| 206 | RRCrtcChanged(crtc, TRUE1); | |||
| 207 | } | |||
| 208 | if (x != crtc->x) { | |||
| 209 | crtc->x = x; | |||
| 210 | RRCrtcChanged(crtc, TRUE1); | |||
| 211 | } | |||
| 212 | if (y != crtc->y) { | |||
| 213 | crtc->y = y; | |||
| 214 | RRCrtcChanged(crtc, TRUE1); | |||
| 215 | } | |||
| 216 | if (rotation != crtc->rotation) { | |||
| 217 | crtc->rotation = rotation; | |||
| 218 | RRCrtcChanged(crtc, TRUE1); | |||
| 219 | } | |||
| 220 | if (!RRTransformEqual(transform, &crtc->client_current_transform)) { | |||
| 221 | RRTransformCopy(&crtc->client_current_transform, transform); | |||
| 222 | RRCrtcChanged(crtc, TRUE1); | |||
| 223 | } | |||
| 224 | if (crtc->changed && mode) { | |||
| 225 | RRTransformCompute(x, y, | |||
| 226 | mode->mode.width, mode->mode.height, | |||
| 227 | rotation, | |||
| 228 | &crtc->client_current_transform, | |||
| 229 | &crtc->transform, &crtc->f_transform, | |||
| 230 | &crtc->f_inverse); | |||
| 231 | } | |||
| 232 | return TRUE1; | |||
| 233 | } | |||
| 234 | ||||
| 235 | void | |||
| 236 | RRDeliverCrtcEvent(ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc) | |||
| 237 | { | |||
| 238 | ScreenPtr pScreen = pWin->drawable.pScreen; | |||
| 239 | ||||
| 240 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 241 | RRModePtr mode = crtc->mode; | |||
| 242 | ||||
| 243 | xRRCrtcChangeNotifyEvent ce = { | |||
| 244 | .type = RRNotify1 + RREventBase, | |||
| 245 | .subCode = RRNotify_CrtcChange0, | |||
| 246 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||
| 247 | .window = pWin->drawable.id, | |||
| 248 | .crtc = crtc->id, | |||
| 249 | .mode = mode ? mode->mode.id : None0L, | |||
| 250 | .rotation = crtc->rotation, | |||
| 251 | .x = mode ? crtc->x : 0, | |||
| 252 | .y = mode ? crtc->y : 0, | |||
| 253 | .width = mode ? mode->mode.width : 0, | |||
| 254 | .height = mode ? mode->mode.height : 0 | |||
| 255 | }; | |||
| 256 | WriteEventsToClient(client, 1, (xEvent *) &ce); | |||
| 257 | } | |||
| 258 | ||||
| 259 | static Bool | |||
| 260 | RRCrtcPendingProperties(RRCrtcPtr crtc) | |||
| 261 | { | |||
| 262 | ScreenPtr pScreen = crtc->pScreen; | |||
| 263 | ||||
| 264 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 265 | int o; | |||
| 266 | ||||
| 267 | for (o = 0; o < pScrPriv->numOutputs; o++) { | |||
| 268 | RROutputPtr output = pScrPriv->outputs[o]; | |||
| 269 | ||||
| 270 | if (output->crtc == crtc && output->pendingProperties) | |||
| 271 | return TRUE1; | |||
| 272 | } | |||
| 273 | return FALSE0; | |||
| 274 | } | |||
| 275 | ||||
| 276 | static void | |||
| 277 | crtc_bounds(RRCrtcPtr crtc, int *left, int *right, int *top, int *bottom) | |||
| 278 | { | |||
| 279 | *left = crtc->x; | |||
| 280 | *top = crtc->y; | |||
| 281 | ||||
| 282 | switch (crtc->rotation) { | |||
| 283 | case RR_Rotate_01: | |||
| 284 | case RR_Rotate_1804: | |||
| 285 | default: | |||
| 286 | *right = crtc->x + crtc->mode->mode.width; | |||
| 287 | *bottom = crtc->y + crtc->mode->mode.height; | |||
| 288 | return; | |||
| 289 | case RR_Rotate_902: | |||
| 290 | case RR_Rotate_2708: | |||
| 291 | *right = crtc->x + crtc->mode->mode.height; | |||
| 292 | *bottom = crtc->y + crtc->mode->mode.width; | |||
| 293 | return; | |||
| 294 | } | |||
| 295 | } | |||
| 296 | ||||
| 297 | /* overlapping counts as adjacent */ | |||
| 298 | static Bool | |||
| 299 | crtcs_adjacent(const RRCrtcPtr a, const RRCrtcPtr b) | |||
| 300 | { | |||
| 301 | /* left, right, top, bottom... */ | |||
| 302 | int al, ar, at, ab; | |||
| 303 | int bl, br, bt, bb; | |||
| 304 | int cl, cr, ct, cb; /* the overlap, if any */ | |||
| 305 | ||||
| 306 | crtc_bounds(a, &al, &ar, &at, &ab); | |||
| 307 | crtc_bounds(b, &bl, &br, &bt, &bb); | |||
| 308 | ||||
| 309 | cl = max(al, bl)(((al) > (bl)) ? (al) : (bl)); | |||
| 310 | cr = min(ar, br)(((ar) < (br)) ? (ar) : (br)); | |||
| 311 | ct = max(at, bt)(((at) > (bt)) ? (at) : (bt)); | |||
| 312 | cb = min(ab, bb)(((ab) < (bb)) ? (ab) : (bb)); | |||
| 313 | ||||
| 314 | return (cl <= cr) && (ct <= cb); | |||
| 315 | } | |||
| 316 | ||||
| 317 | /* Depth-first search and mark all CRTCs reachable from cur */ | |||
| 318 | static void | |||
| 319 | mark_crtcs(rrScrPrivPtr pScrPriv, int *reachable, int cur) | |||
| 320 | { | |||
| 321 | int i; | |||
| 322 | ||||
| 323 | reachable[cur] = TRUE1; | |||
| 324 | for (i = 0; i < pScrPriv->numCrtcs; ++i) { | |||
| 325 | if (reachable[i] || !pScrPriv->crtcs[i]->mode) | |||
| 326 | continue; | |||
| 327 | if (crtcs_adjacent(pScrPriv->crtcs[cur], pScrPriv->crtcs[i])) | |||
| 328 | mark_crtcs(pScrPriv, reachable, i); | |||
| 329 | } | |||
| 330 | } | |||
| 331 | ||||
| 332 | static void | |||
| 333 | RRComputeContiguity(ScreenPtr pScreen) | |||
| 334 | { | |||
| 335 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 336 | Bool discontiguous = TRUE1; | |||
| 337 | int i, n = pScrPriv->numCrtcs; | |||
| 338 | ||||
| 339 | int *reachable = calloc(n, sizeof(int)); | |||
| 340 | ||||
| 341 | if (!reachable) | |||
| 342 | goto out; | |||
| 343 | ||||
| 344 | /* Find first enabled CRTC and start search for reachable CRTCs from it */ | |||
| 345 | for (i = 0; i < n; ++i) { | |||
| 346 | if (pScrPriv->crtcs[i]->mode) { | |||
| 347 | mark_crtcs(pScrPriv, reachable, i); | |||
| 348 | break; | |||
| 349 | } | |||
| 350 | } | |||
| 351 | ||||
| 352 | /* Check that all enabled CRTCs were marked as reachable */ | |||
| 353 | for (i = 0; i < n; ++i) | |||
| 354 | if (pScrPriv->crtcs[i]->mode && !reachable[i]) | |||
| 355 | goto out; | |||
| 356 | ||||
| 357 | discontiguous = FALSE0; | |||
| 358 | ||||
| 359 | out: | |||
| 360 | free(reachable); | |||
| 361 | pScrPriv->discontiguous = discontiguous; | |||
| 362 | } | |||
| 363 | ||||
| 364 | static void | |||
| 365 | rrDestroySharedPixmap(RRCrtcPtr crtc, PixmapPtr pPixmap) { | |||
| 366 | ScreenPtr master = crtc->pScreen->current_master; | |||
| 367 | ||||
| 368 | if (master && pPixmap->master_pixmap) { | |||
| 369 | PixmapPtr mscreenpix = master->GetScreenPixmap(master); | |||
| 370 | ||||
| 371 | master->StopPixmapTracking(mscreenpix, pPixmap); | |||
| 372 | /* | |||
| 373 | * Unref the pixmap twice: once for the original reference, and once | |||
| 374 | * for the reference implicitly added by PixmapShareToSlave. | |||
| 375 | */ | |||
| 376 | master->DestroyPixmap(pPixmap->master_pixmap); | |||
| 377 | master->DestroyPixmap(pPixmap->master_pixmap); | |||
| 378 | } | |||
| 379 | ||||
| 380 | crtc->pScreen->DestroyPixmap(pPixmap); | |||
| 381 | } | |||
| 382 | ||||
| 383 | void | |||
| 384 | RRCrtcDetachScanoutPixmap(RRCrtcPtr crtc) | |||
| 385 | { | |||
| 386 | rrScrPriv(crtc->pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (crtc->pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 387 | ||||
| 388 | pScrPriv->rrCrtcSetScanoutPixmap(crtc, NULL((void*)0)); | |||
| 389 | if (crtc->scanout_pixmap) { | |||
| 390 | rrDestroySharedPixmap(crtc, crtc->scanout_pixmap); | |||
| 391 | } | |||
| 392 | crtc->scanout_pixmap = NULL((void*)0); | |||
| 393 | RRCrtcChanged(crtc, TRUE1); | |||
| 394 | } | |||
| 395 | ||||
| 396 | static PixmapPtr | |||
| 397 | rrCreateSharedPixmap(RRCrtcPtr crtc, ScreenPtr master, | |||
| 398 | int width, int height, int depth, | |||
| 399 | int x, int y, Rotation rotation) | |||
| 400 | { | |||
| 401 | Bool ret; | |||
| 402 | PixmapPtr mpix, spix; | |||
| 403 | rrScrPriv(crtc->pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (crtc->pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 404 | ||||
| 405 | mpix = master->CreatePixmap(master, width, height, depth, | |||
| 406 | CREATE_PIXMAP_USAGE_SHARED4); | |||
| 407 | if (!mpix) | |||
| 408 | return NULL((void*)0); | |||
| 409 | ||||
| 410 | spix = PixmapShareToSlave(mpix, crtc->pScreen); | |||
| 411 | if (spix == NULL((void*)0)) { | |||
| 412 | master->DestroyPixmap(mpix); | |||
| 413 | return NULL((void*)0); | |||
| 414 | } | |||
| 415 | ||||
| 416 | ret = pScrPriv->rrCrtcSetScanoutPixmap(crtc, spix); | |||
| 417 | if (ret == FALSE0) { | |||
| 418 | rrDestroySharedPixmap(crtc, spix); | |||
| 419 | ErrorF("randr: failed to set shadow slave pixmap\n"); | |||
| 420 | return NULL((void*)0); | |||
| 421 | } | |||
| 422 | ||||
| 423 | return spix; | |||
| 424 | } | |||
| 425 | ||||
| 426 | static Bool | |||
| 427 | rrSetupPixmapSharing(RRCrtcPtr crtc, int width, int height, | |||
| 428 | int x, int y, Rotation rotation) | |||
| 429 | { | |||
| 430 | ScreenPtr master = crtc->pScreen->current_master; | |||
| 431 | int depth; | |||
| 432 | PixmapPtr mscreenpix; | |||
| 433 | PixmapPtr spix; | |||
| 434 | ||||
| 435 | /* create a pixmap on the master screen, | |||
| 436 | then get a shared handle for it | |||
| 437 | create a shared pixmap on the slave screen using the handle | |||
| 438 | set the master screen to do dirty updates to the shared pixmap | |||
| 439 | from the screen pixmap. | |||
| 440 | set slave screen to scanout shared linear pixmap | |||
| 441 | */ | |||
| 442 | ||||
| 443 | mscreenpix = master->GetScreenPixmap(master); | |||
| 444 | depth = mscreenpix->drawable.depth; | |||
| 445 | ||||
| 446 | if (crtc->scanout_pixmap) | |||
| 447 | RRCrtcDetachScanoutPixmap(crtc); | |||
| 448 | ||||
| 449 | if (width == 0 && height == 0) { | |||
| 450 | return TRUE1; | |||
| 451 | } | |||
| 452 | ||||
| 453 | spix = rrCreateSharedPixmap(crtc, master, | |||
| 454 | width, height, depth, | |||
| 455 | x, y, rotation); | |||
| 456 | if (spix == NULL((void*)0)) { | |||
| 457 | return FALSE0; | |||
| 458 | } | |||
| 459 | ||||
| 460 | crtc->scanout_pixmap = spix; | |||
| 461 | ||||
| 462 | master->StartPixmapTracking(mscreenpix, spix, x, y, 0, 0, rotation); | |||
| 463 | return TRUE1; | |||
| 464 | } | |||
| 465 | ||||
| 466 | static void crtc_to_box(BoxPtr box, RRCrtcPtr crtc) | |||
| 467 | { | |||
| 468 | box->x1 = crtc->x; | |||
| 469 | box->y1 = crtc->y; | |||
| 470 | switch (crtc->rotation) { | |||
| 471 | case RR_Rotate_01: | |||
| 472 | case RR_Rotate_1804: | |||
| 473 | default: | |||
| 474 | box->x2 = crtc->x + crtc->mode->mode.width; | |||
| 475 | box->y2 = crtc->y + crtc->mode->mode.height; | |||
| 476 | break; | |||
| 477 | case RR_Rotate_902: | |||
| 478 | case RR_Rotate_2708: | |||
| 479 | box->x2 = crtc->x + crtc->mode->mode.height; | |||
| 480 | box->y2 = crtc->y + crtc->mode->mode.width; | |||
| 481 | break; | |||
| 482 | } | |||
| 483 | } | |||
| 484 | ||||
| 485 | static Bool | |||
| 486 | rrCheckPixmapBounding(ScreenPtr pScreen, | |||
| 487 | RRCrtcPtr rr_crtc, Rotation rotation, | |||
| 488 | int x, int y, int w, int h) | |||
| 489 | { | |||
| 490 | RegionRec root_pixmap_region, total_region, new_crtc_region; | |||
| 491 | int c; | |||
| 492 | BoxRec newbox; | |||
| 493 | BoxPtr newsize; | |||
| 494 | ScreenPtr slave; | |||
| 495 | int new_width, new_height; | |||
| 496 | PixmapPtr screen_pixmap = pScreen->GetScreenPixmap(pScreen); | |||
| 497 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 498 | ||||
| 499 | PixmapRegionInit(&root_pixmap_region, screen_pixmap); | |||
| 500 | RegionInit(&total_region, NULL((void*)0), 0); | |||
| 501 | ||||
| 502 | /* have to iterate all the crtcs of the attached gpu masters | |||
| 503 | and all their output slaves */ | |||
| 504 | for (c = 0; c < pScrPriv->numCrtcs; c++) { | |||
| 505 | RRCrtcPtr crtc = pScrPriv->crtcs[c]; | |||
| 506 | ||||
| 507 | if (crtc == rr_crtc) { | |||
| 508 | newbox.x1 = x; | |||
| 509 | newbox.y1 = y; | |||
| 510 | if (rotation == RR_Rotate_902 || | |||
| 511 | rotation == RR_Rotate_2708) { | |||
| 512 | newbox.x2 = x + h; | |||
| 513 | newbox.y2 = y + w; | |||
| 514 | } else { | |||
| 515 | newbox.x2 = x + w; | |||
| 516 | newbox.y2 = y + h; | |||
| 517 | } | |||
| 518 | } else { | |||
| 519 | if (!crtc->mode) | |||
| 520 | continue; | |||
| 521 | crtc_to_box(&newbox, crtc); | |||
| 522 | } | |||
| 523 | RegionInit(&new_crtc_region, &newbox, 1); | |||
| 524 | RegionUnion(&total_region, &total_region, &new_crtc_region); | |||
| 525 | } | |||
| 526 | ||||
| 527 | xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head)for (slave = ((void*)0), slave = (typeof(*slave) *)((char *)( (&pScreen->output_slave_list)->next) - __builtin_offsetof (typeof(*slave), output_head)); &slave->output_head != (&pScreen->output_slave_list); slave = (typeof(*slave ) *)((char *)(slave->output_head.next) - __builtin_offsetof (typeof(*slave), output_head))) { | |||
| 528 | rrScrPrivPtr slave_priv = rrGetScrPriv(slave)((rrScrPrivPtr)dixLookupPrivate(&(slave)->devPrivates, (&rrPrivKeyRec))); | |||
| 529 | for (c = 0; c < slave_priv->numCrtcs; c++) { | |||
| 530 | RRCrtcPtr slave_crtc = slave_priv->crtcs[c]; | |||
| 531 | ||||
| 532 | if (slave_crtc == rr_crtc) { | |||
| 533 | newbox.x1 = x; | |||
| 534 | newbox.y1 = y; | |||
| 535 | if (rotation == RR_Rotate_902 || | |||
| 536 | rotation == RR_Rotate_2708) { | |||
| 537 | newbox.x2 = x + h; | |||
| 538 | newbox.y2 = y + w; | |||
| 539 | } else { | |||
| 540 | newbox.x2 = x + w; | |||
| 541 | newbox.y2 = y + h; | |||
| 542 | } | |||
| 543 | } | |||
| 544 | else { | |||
| 545 | if (!slave_crtc->mode) | |||
| 546 | continue; | |||
| 547 | crtc_to_box(&newbox, slave_crtc); | |||
| 548 | } | |||
| 549 | RegionInit(&new_crtc_region, &newbox, 1); | |||
| 550 | RegionUnion(&total_region, &total_region, &new_crtc_region); | |||
| 551 | } | |||
| 552 | } | |||
| 553 | ||||
| 554 | newsize = RegionExtents(&total_region); | |||
| 555 | new_width = newsize->x2 - newsize->x1; | |||
| 556 | new_height = newsize->y2 - newsize->y1; | |||
| 557 | ||||
| 558 | if (new_width == screen_pixmap->drawable.width && | |||
| 559 | new_height == screen_pixmap->drawable.height) { | |||
| 560 | } else { | |||
| 561 | pScrPriv->rrScreenSetSize(pScreen, new_width, new_height, 0, 0); | |||
| 562 | } | |||
| 563 | ||||
| 564 | /* set shatters TODO */ | |||
| 565 | return TRUE1; | |||
| 566 | } | |||
| 567 | ||||
| 568 | /* | |||
| 569 | * Request that the Crtc be reconfigured | |||
| 570 | */ | |||
| 571 | Bool | |||
| 572 | RRCrtcSet(RRCrtcPtr crtc, | |||
| 573 | RRModePtr mode, | |||
| 574 | int x, | |||
| 575 | int y, Rotation rotation, int numOutputs, RROutputPtr * outputs) | |||
| 576 | { | |||
| 577 | ScreenPtr pScreen = crtc->pScreen; | |||
| 578 | Bool ret = FALSE0; | |||
| 579 | Bool recompute = TRUE1; | |||
| 580 | Bool crtcChanged; | |||
| 581 | int o; | |||
| 582 | ||||
| 583 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 584 | ||||
| 585 | crtcChanged = FALSE0; | |||
| 586 | for (o = 0; o < numOutputs; o++) { | |||
| 587 | if (outputs[o] && outputs[o]->crtc != crtc) { | |||
| 588 | crtcChanged = TRUE1; | |||
| 589 | break; | |||
| 590 | } | |||
| 591 | } | |||
| 592 | ||||
| 593 | /* See if nothing changed */ | |||
| 594 | if (crtc->mode == mode && | |||
| 595 | crtc->x == x && | |||
| 596 | crtc->y == y && | |||
| 597 | crtc->rotation == rotation && | |||
| 598 | crtc->numOutputs == numOutputs && | |||
| 599 | !memcmp(crtc->outputs, outputs, numOutputs * sizeof(RROutputPtr)) && | |||
| 600 | !RRCrtcPendingProperties(crtc) && !RRCrtcPendingTransform(crtc) && | |||
| 601 | !crtcChanged) { | |||
| 602 | recompute = FALSE0; | |||
| 603 | ret = TRUE1; | |||
| 604 | } | |||
| 605 | else { | |||
| 606 | if (pScreen->isGPU) { | |||
| 607 | ScreenPtr master = pScreen->current_master; | |||
| 608 | int width = 0, height = 0; | |||
| 609 | ||||
| 610 | if (mode) { | |||
| 611 | width = mode->mode.width; | |||
| 612 | height = mode->mode.height; | |||
| 613 | } | |||
| 614 | ret = rrCheckPixmapBounding(master, crtc, | |||
| 615 | rotation, x, y, width, height); | |||
| 616 | if (!ret) | |||
| 617 | return FALSE0; | |||
| 618 | ||||
| 619 | if (pScreen->current_master) { | |||
| 620 | ret = rrSetupPixmapSharing(crtc, width, height, x, y, rotation); | |||
| 621 | } | |||
| 622 | } | |||
| 623 | #if RANDR_12_INTERFACE1 | |||
| 624 | if (pScrPriv->rrCrtcSet) { | |||
| 625 | ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, | |||
| 626 | rotation, numOutputs, outputs); | |||
| 627 | } | |||
| 628 | else | |||
| 629 | #endif | |||
| 630 | { | |||
| 631 | #if RANDR_10_INTERFACE1 | |||
| 632 | if (pScrPriv->rrSetConfig) { | |||
| 633 | RRScreenSize size; | |||
| 634 | RRScreenRate rate; | |||
| 635 | ||||
| 636 | if (!mode) { | |||
| 637 | RRCrtcNotify(crtc, NULL((void*)0), x, y, rotation, NULL((void*)0), 0, NULL((void*)0)); | |||
| 638 | ret = TRUE1; | |||
| 639 | } | |||
| 640 | else { | |||
| 641 | size.width = mode->mode.width; | |||
| 642 | size.height = mode->mode.height; | |||
| 643 | if (outputs[0]->mmWidth && outputs[0]->mmHeight) { | |||
| 644 | size.mmWidth = outputs[0]->mmWidth; | |||
| 645 | size.mmHeight = outputs[0]->mmHeight; | |||
| 646 | } | |||
| 647 | else { | |||
| 648 | size.mmWidth = pScreen->mmWidth; | |||
| 649 | size.mmHeight = pScreen->mmHeight; | |||
| 650 | } | |||
| 651 | size.nRates = 1; | |||
| 652 | rate.rate = RRVerticalRefresh(&mode->mode); | |||
| 653 | size.pRates = &rate; | |||
| 654 | ret = | |||
| 655 | (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, | |||
| 656 | &size); | |||
| 657 | /* | |||
| 658 | * Old 1.0 interface tied screen size to mode size | |||
| 659 | */ | |||
| 660 | if (ret) { | |||
| 661 | RRCrtcNotify(crtc, mode, x, y, rotation, NULL((void*)0), 1, | |||
| 662 | outputs); | |||
| 663 | RRScreenSizeNotify(pScreen); | |||
| 664 | } | |||
| 665 | } | |||
| 666 | } | |||
| 667 | #endif | |||
| 668 | } | |||
| 669 | if (ret) { | |||
| 670 | ||||
| 671 | RRTellChanged(pScreen); | |||
| 672 | ||||
| 673 | for (o = 0; o < numOutputs; o++) | |||
| 674 | RRPostPendingProperties(outputs[o]); | |||
| 675 | } | |||
| 676 | } | |||
| 677 | ||||
| 678 | if (recompute) | |||
| 679 | RRComputeContiguity(pScreen); | |||
| 680 | ||||
| 681 | return ret; | |||
| 682 | } | |||
| 683 | ||||
| 684 | /* | |||
| 685 | * Return crtc transform | |||
| 686 | */ | |||
| 687 | RRTransformPtr | |||
| 688 | RRCrtcGetTransform(RRCrtcPtr crtc) | |||
| 689 | { | |||
| 690 | RRTransformPtr transform = &crtc->client_pending_transform; | |||
| 691 | ||||
| 692 | if (pixman_transform_is_identity(&transform->transform)) | |||
| 693 | return NULL((void*)0); | |||
| 694 | return transform; | |||
| 695 | } | |||
| 696 | ||||
| 697 | /* | |||
| 698 | * Check whether the pending and current transforms are the same | |||
| 699 | */ | |||
| 700 | Bool | |||
| 701 | RRCrtcPendingTransform(RRCrtcPtr crtc) | |||
| 702 | { | |||
| 703 | return memcmp(&crtc->client_current_transform.transform, | |||
| 704 | &crtc->client_pending_transform.transform, | |||
| 705 | sizeof(PictTransform)) != 0; | |||
| 706 | } | |||
| 707 | ||||
| 708 | /* | |||
| 709 | * Destroy a Crtc at shutdown | |||
| 710 | */ | |||
| 711 | void | |||
| 712 | RRCrtcDestroy(RRCrtcPtr crtc) | |||
| 713 | { | |||
| 714 | FreeResource(crtc->id, 0); | |||
| 715 | } | |||
| 716 | ||||
| 717 | static int | |||
| 718 | RRCrtcDestroyResource(void *value, XID pid) | |||
| 719 | { | |||
| 720 | RRCrtcPtr crtc = (RRCrtcPtr) value; | |||
| 721 | ScreenPtr pScreen = crtc->pScreen; | |||
| 722 | ||||
| 723 | if (pScreen) { | |||
| 724 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 725 | int i; | |||
| 726 | ||||
| 727 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
| 728 | if (pScrPriv->crtcs[i] == crtc) { | |||
| 729 | memmove(pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,__builtin___memmove_chk (pScrPriv->crtcs + i, pScrPriv-> crtcs + i + 1, (pScrPriv->numCrtcs - (i + 1)) * sizeof(RRCrtcPtr ), __builtin_object_size (pScrPriv->crtcs + i, 0)) | |||
| 730 | (pScrPriv->numCrtcs - (i + 1)) * sizeof(RRCrtcPtr))__builtin___memmove_chk (pScrPriv->crtcs + i, pScrPriv-> crtcs + i + 1, (pScrPriv->numCrtcs - (i + 1)) * sizeof(RRCrtcPtr ), __builtin_object_size (pScrPriv->crtcs + i, 0)); | |||
| 731 | --pScrPriv->numCrtcs; | |||
| 732 | break; | |||
| 733 | } | |||
| 734 | } | |||
| 735 | ||||
| 736 | RRResourcesChanged(pScreen); | |||
| 737 | } | |||
| 738 | ||||
| 739 | if (crtc->scanout_pixmap) | |||
| 740 | RRCrtcDetachScanoutPixmap(crtc); | |||
| 741 | free(crtc->gammaRed); | |||
| 742 | if (crtc->mode) | |||
| 743 | RRModeDestroy(crtc->mode); | |||
| 744 | free(crtc); | |||
| 745 | return 1; | |||
| 746 | } | |||
| 747 | ||||
| 748 | /* | |||
| 749 | * Request that the Crtc gamma be changed | |||
| 750 | */ | |||
| 751 | ||||
| 752 | Bool | |||
| 753 | RRCrtcGammaSet(RRCrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue) | |||
| 754 | { | |||
| 755 | Bool ret = TRUE1; | |||
| 756 | ||||
| 757 | #if RANDR_12_INTERFACE1 | |||
| 758 | ScreenPtr pScreen = crtc->pScreen; | |||
| 759 | #endif | |||
| 760 | ||||
| 761 | memcpy(crtc->gammaRed, red, crtc->gammaSize * sizeof(CARD16))__builtin___memcpy_chk (crtc->gammaRed, red, crtc->gammaSize * sizeof(CARD16), __builtin_object_size (crtc->gammaRed, 0 )); | |||
| 762 | memcpy(crtc->gammaGreen, green, crtc->gammaSize * sizeof(CARD16))__builtin___memcpy_chk (crtc->gammaGreen, green, crtc-> gammaSize * sizeof(CARD16), __builtin_object_size (crtc->gammaGreen , 0)); | |||
| 763 | memcpy(crtc->gammaBlue, blue, crtc->gammaSize * sizeof(CARD16))__builtin___memcpy_chk (crtc->gammaBlue, blue, crtc->gammaSize * sizeof(CARD16), __builtin_object_size (crtc->gammaBlue, 0)); | |||
| 764 | #if RANDR_12_INTERFACE1 | |||
| 765 | if (pScreen) { | |||
| 766 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 767 | if (pScrPriv->rrCrtcSetGamma) | |||
| 768 | ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc); | |||
| 769 | } | |||
| 770 | #endif | |||
| 771 | return ret; | |||
| 772 | } | |||
| 773 | ||||
| 774 | /* | |||
| 775 | * Request current gamma back from the DDX (if possible). | |||
| 776 | * This includes gamma size. | |||
| 777 | */ | |||
| 778 | Bool | |||
| 779 | RRCrtcGammaGet(RRCrtcPtr crtc) | |||
| 780 | { | |||
| 781 | Bool ret = TRUE1; | |||
| 782 | ||||
| 783 | #if RANDR_12_INTERFACE1 | |||
| 784 | ScreenPtr pScreen = crtc->pScreen; | |||
| 785 | #endif | |||
| 786 | ||||
| 787 | #if RANDR_12_INTERFACE1 | |||
| 788 | if (pScreen) { | |||
| 789 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 790 | if (pScrPriv->rrCrtcGetGamma) | |||
| 791 | ret = (*pScrPriv->rrCrtcGetGamma) (pScreen, crtc); | |||
| 792 | } | |||
| 793 | #endif | |||
| 794 | return ret; | |||
| 795 | } | |||
| 796 | ||||
| 797 | /* | |||
| 798 | * Notify the extension that the Crtc gamma has been changed | |||
| 799 | * The driver calls this whenever it has changed the gamma values | |||
| 800 | * in the RRCrtcRec | |||
| 801 | */ | |||
| 802 | ||||
| 803 | Bool | |||
| 804 | RRCrtcGammaNotify(RRCrtcPtr crtc) | |||
| 805 | { | |||
| 806 | return TRUE1; /* not much going on here */ | |||
| 807 | } | |||
| 808 | ||||
| 809 | static void | |||
| 810 | RRModeGetScanoutSize(RRModePtr mode, PictTransformPtr transform, | |||
| 811 | int *width, int *height) | |||
| 812 | { | |||
| 813 | BoxRec box; | |||
| 814 | ||||
| 815 | if (mode == NULL((void*)0)) { | |||
| 816 | *width = 0; | |||
| 817 | *height = 0; | |||
| 818 | return; | |||
| 819 | } | |||
| 820 | ||||
| 821 | box.x1 = 0; | |||
| 822 | box.y1 = 0; | |||
| 823 | box.x2 = mode->mode.width; | |||
| 824 | box.y2 = mode->mode.height; | |||
| 825 | ||||
| 826 | pixman_transform_bounds(transform, &box); | |||
| 827 | *width = box.x2 - box.x1; | |||
| 828 | *height = box.y2 - box.y1; | |||
| 829 | } | |||
| 830 | ||||
| 831 | /** | |||
| 832 | * Returns the width/height that the crtc scans out from the framebuffer | |||
| 833 | */ | |||
| 834 | void | |||
| 835 | RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height) | |||
| 836 | { | |||
| 837 | RRModeGetScanoutSize(crtc->mode, &crtc->transform, width, height); | |||
| 838 | } | |||
| 839 | ||||
| 840 | /* | |||
| 841 | * Set the size of the gamma table at server startup time | |||
| 842 | */ | |||
| 843 | ||||
| 844 | Bool | |||
| 845 | RRCrtcGammaSetSize(RRCrtcPtr crtc, int size) | |||
| 846 | { | |||
| 847 | CARD16 *gamma; | |||
| 848 | ||||
| 849 | if (size == crtc->gammaSize) | |||
| 850 | return TRUE1; | |||
| 851 | if (size) { | |||
| 852 | gamma = xallocarray(size, 3 * sizeof(CARD16))xreallocarray(((void*)0), (size), (3 * sizeof(CARD16))); | |||
| 853 | if (!gamma) | |||
| 854 | return FALSE0; | |||
| 855 | } | |||
| 856 | else | |||
| 857 | gamma = NULL((void*)0); | |||
| 858 | free(crtc->gammaRed); | |||
| 859 | crtc->gammaRed = gamma; | |||
| 860 | crtc->gammaGreen = gamma + size; | |||
| 861 | crtc->gammaBlue = gamma + size * 2; | |||
| 862 | crtc->gammaSize = size; | |||
| 863 | return TRUE1; | |||
| 864 | } | |||
| 865 | ||||
| 866 | /* | |||
| 867 | * Set the pending CRTC transformation | |||
| 868 | */ | |||
| 869 | ||||
| 870 | int | |||
| 871 | RRCrtcTransformSet(RRCrtcPtr crtc, | |||
| 872 | PictTransformPtr transform, | |||
| 873 | struct pixman_f_transform *f_transform, | |||
| 874 | struct pixman_f_transform *f_inverse, | |||
| 875 | char *filter_name, | |||
| 876 | int filter_len, xFixed * params, int nparams) | |||
| 877 | { | |||
| 878 | PictFilterPtr filter = NULL((void*)0); | |||
| 879 | int width = 0, height = 0; | |||
| 880 | ||||
| 881 | if (!crtc->transforms) | |||
| 882 | return BadValue2; | |||
| 883 | ||||
| 884 | if (filter_len) { | |||
| 885 | filter = PictureFindFilter(crtc->pScreen, filter_name, filter_len); | |||
| 886 | if (!filter) | |||
| 887 | return BadName15; | |||
| 888 | if (filter->ValidateParams) { | |||
| 889 | if (!filter->ValidateParams(crtc->pScreen, filter->id, | |||
| 890 | params, nparams, &width, &height)) | |||
| 891 | return BadMatch8; | |||
| 892 | } | |||
| 893 | else { | |||
| 894 | width = filter->width; | |||
| 895 | height = filter->height; | |||
| 896 | } | |||
| 897 | } | |||
| 898 | else { | |||
| 899 | if (nparams) | |||
| 900 | return BadMatch8; | |||
| 901 | } | |||
| 902 | if (!RRTransformSetFilter(&crtc->client_pending_transform, | |||
| 903 | filter, params, nparams, width, height)) | |||
| 904 | return BadAlloc11; | |||
| 905 | ||||
| 906 | crtc->client_pending_transform.transform = *transform; | |||
| 907 | crtc->client_pending_transform.f_transform = *f_transform; | |||
| 908 | crtc->client_pending_transform.f_inverse = *f_inverse; | |||
| 909 | return Success0; | |||
| 910 | } | |||
| 911 | ||||
| 912 | /* | |||
| 913 | * Initialize crtc type | |||
| 914 | */ | |||
| 915 | Bool | |||
| 916 | RRCrtcInit(void) | |||
| 917 | { | |||
| 918 | RRCrtcType = CreateNewResourceType(RRCrtcDestroyResource, "CRTC"); | |||
| 919 | if (!RRCrtcType) | |||
| 920 | return FALSE0; | |||
| 921 | ||||
| 922 | return TRUE1; | |||
| 923 | } | |||
| 924 | ||||
| 925 | /* | |||
| 926 | * Initialize crtc type error value | |||
| 927 | */ | |||
| 928 | void | |||
| 929 | RRCrtcInitErrorValue(void) | |||
| 930 | { | |||
| 931 | SetResourceTypeErrorValue(RRCrtcType, RRErrorBase + BadRRCrtc1); | |||
| 932 | } | |||
| 933 | ||||
| 934 | int | |||
| 935 | ProcRRGetCrtcInfo(ClientPtr client) | |||
| 936 | { | |||
| 937 | REQUEST(xRRGetCrtcInfoReq)xRRGetCrtcInfoReq *stuff = (xRRGetCrtcInfoReq *)client->requestBuffer; | |||
| 938 | xRRGetCrtcInfoReply rep; | |||
| 939 | RRCrtcPtr crtc; | |||
| 940 | CARD8 *extra; | |||
| 941 | unsigned long extraLen; | |||
| 942 | ScreenPtr pScreen; | |||
| 943 | rrScrPrivPtr pScrPriv; | |||
| 944 | RRModePtr mode; | |||
| 945 | RROutput *outputs; | |||
| 946 | RROutput *possible; | |||
| 947 | int i, j, k; | |||
| 948 | int width, height; | |||
| 949 | BoxRec panned_area; | |||
| 950 | ||||
| 951 | REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq)if ((sizeof(xRRGetCrtcInfoReq) >> 2) != client->req_len ) return(16); | |||
| 952 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 953 | ||||
| 954 | /* All crtcs must be associated with screens before client | |||
| 955 | * requests are processed | |||
| 956 | */ | |||
| 957 | pScreen = crtc->pScreen; | |||
| 958 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
| 959 | ||||
| 960 | mode = crtc->mode; | |||
| 961 | ||||
| 962 | rep = (xRRGetCrtcInfoReply) { | |||
| 963 | .type = X_Reply1, | |||
| 964 | .status = RRSetConfigSuccess0, | |||
| 965 | .sequenceNumber = client->sequence, | |||
| 966 | .length = 0, | |||
| 967 | .timestamp = pScrPriv->lastSetTime.milliseconds | |||
| 968 | }; | |||
| 969 | if (pScrPriv->rrGetPanning && | |||
| 970 | pScrPriv->rrGetPanning(pScreen, crtc, &panned_area, NULL((void*)0), NULL((void*)0)) && | |||
| 971 | (panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1)) | |||
| 972 | { | |||
| 973 | rep.x = panned_area.x1; | |||
| 974 | rep.y = panned_area.y1; | |||
| 975 | rep.width = panned_area.x2 - panned_area.x1; | |||
| 976 | rep.height = panned_area.y2 - panned_area.y1; | |||
| 977 | } | |||
| 978 | else { | |||
| 979 | RRCrtcGetScanoutSize(crtc, &width, &height); | |||
| 980 | rep.x = crtc->x; | |||
| 981 | rep.y = crtc->y; | |||
| 982 | rep.width = width; | |||
| 983 | rep.height = height; | |||
| 984 | } | |||
| 985 | rep.mode = mode ? mode->mode.id : 0; | |||
| ||||
| 986 | rep.rotation = crtc->rotation; | |||
| 987 | rep.rotations = crtc->rotations; | |||
| 988 | rep.nOutput = crtc->numOutputs; | |||
| 989 | k = 0; | |||
| 990 | for (i = 0; i < pScrPriv->numOutputs; i++) | |||
| 991 | for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++) | |||
| 992 | if (pScrPriv->outputs[i]->crtcs[j] == crtc) | |||
| 993 | k++; | |||
| 994 | rep.nPossibleOutput = k; | |||
| 995 | ||||
| 996 | rep.length = rep.nOutput + rep.nPossibleOutput; | |||
| 997 | ||||
| 998 | extraLen = rep.length << 2; | |||
| 999 | if (extraLen) { | |||
| 1000 | extra = malloc(extraLen); | |||
| 1001 | if (!extra) | |||
| 1002 | return BadAlloc11; | |||
| 1003 | } | |||
| 1004 | else | |||
| 1005 | extra = NULL((void*)0); | |||
| 1006 | ||||
| 1007 | outputs = (RROutput *) extra; | |||
| 1008 | possible = (RROutput *) (outputs + rep.nOutput); | |||
| 1009 | ||||
| 1010 | for (i = 0; i < crtc->numOutputs; i++) { | |||
| 1011 | outputs[i] = crtc->outputs[i]->id; | |||
| ||||
| 1012 | if (client->swapped) | |||
| 1013 | swapl(&outputs[i])do { if (sizeof(*(&outputs[i])) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&outputs[i]) & 3) && ((uintptr_t )(&outputs[i]) & 3) == 0) *(&outputs[i]) = lswapl (*(&outputs[i])); else swap_uint32((uint32_t *)(&outputs [i])); } while (0); | |||
| 1014 | } | |||
| 1015 | k = 0; | |||
| 1016 | for (i = 0; i < pScrPriv->numOutputs; i++) | |||
| 1017 | for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++) | |||
| 1018 | if (pScrPriv->outputs[i]->crtcs[j] == crtc) { | |||
| 1019 | possible[k] = pScrPriv->outputs[i]->id; | |||
| 1020 | if (client->swapped) | |||
| 1021 | swapl(&possible[k])do { if (sizeof(*(&possible[k])) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&possible[k]) & 3) && ((uintptr_t)(&possible[k]) & 3) == 0) *(&possible [k]) = lswapl(*(&possible[k])); else swap_uint32((uint32_t *)(&possible[k])); } while (0); | |||
| 1022 | k++; | |||
| 1023 | } | |||
| 1024 | ||||
| 1025 | if (client->swapped) { | |||
| 1026 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1027 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1028 | swapl(&rep.timestamp)do { if (sizeof(*(&rep.timestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.timestamp) & 3 ) && ((uintptr_t)(&rep.timestamp) & 3) == 0) * (&rep.timestamp) = lswapl(*(&rep.timestamp)); else swap_uint32 ((uint32_t *)(&rep.timestamp)); } while (0); | |||
| 1029 | swaps(&rep.x)do { if (sizeof(*(&rep.x)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.x) & 1) && ((uintptr_t)(& rep.x) & 1) == 0) *(&rep.x) = lswaps(*(&rep.x)); else swap_uint16((uint16_t *)(&rep.x)); } while (0); | |||
| 1030 | swaps(&rep.y)do { if (sizeof(*(&rep.y)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.y) & 1) && ((uintptr_t)(& rep.y) & 1) == 0) *(&rep.y) = lswaps(*(&rep.y)); else swap_uint16((uint16_t *)(&rep.y)); } while (0); | |||
| 1031 | swaps(&rep.width)do { if (sizeof(*(&rep.width)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.width) & 1) && ((uintptr_t) (&rep.width) & 1) == 0) *(&rep.width) = lswaps(*( &rep.width)); else swap_uint16((uint16_t *)(&rep.width )); } while (0); | |||
| 1032 | swaps(&rep.height)do { if (sizeof(*(&rep.height)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.height) & 1) && ((uintptr_t )(&rep.height) & 1) == 0) *(&rep.height) = lswaps (*(&rep.height)); else swap_uint16((uint16_t *)(&rep. height)); } while (0); | |||
| 1033 | swapl(&rep.mode)do { if (sizeof(*(&rep.mode)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.mode) & 3) && ((uintptr_t)( &rep.mode) & 3) == 0) *(&rep.mode) = lswapl(*(& rep.mode)); else swap_uint32((uint32_t *)(&rep.mode)); } while (0); | |||
| 1034 | swaps(&rep.rotation)do { if (sizeof(*(&rep.rotation)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.rotation) & 1) && ((uintptr_t)(&rep.rotation) & 1) == 0) *(&rep.rotation ) = lswaps(*(&rep.rotation)); else swap_uint16((uint16_t * )(&rep.rotation)); } while (0); | |||
| 1035 | swaps(&rep.rotations)do { if (sizeof(*(&rep.rotations)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.rotations) & 1 ) && ((uintptr_t)(&rep.rotations) & 1) == 0) * (&rep.rotations) = lswaps(*(&rep.rotations)); else swap_uint16 ((uint16_t *)(&rep.rotations)); } while (0); | |||
| 1036 | swaps(&rep.nOutput)do { if (sizeof(*(&rep.nOutput)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.nOutput) & 1) && ((uintptr_t)(&rep.nOutput) & 1) == 0) *(&rep.nOutput ) = lswaps(*(&rep.nOutput)); else swap_uint16((uint16_t * )(&rep.nOutput)); } while (0); | |||
| 1037 | swaps(&rep.nPossibleOutput)do { if (sizeof(*(&rep.nPossibleOutput)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep.nPossibleOutput ) & 1) && ((uintptr_t)(&rep.nPossibleOutput) & 1) == 0) *(&rep.nPossibleOutput) = lswaps(*(&rep.nPossibleOutput )); else swap_uint16((uint16_t *)(&rep.nPossibleOutput)); } while (0); | |||
| 1038 | } | |||
| 1039 | WriteToClient(client, sizeof(xRRGetCrtcInfoReply), &rep); | |||
| 1040 | if (extraLen) { | |||
| 1041 | WriteToClient(client, extraLen, extra); | |||
| 1042 | free(extra); | |||
| 1043 | } | |||
| 1044 | ||||
| 1045 | return Success0; | |||
| 1046 | } | |||
| 1047 | ||||
| 1048 | int | |||
| 1049 | ProcRRSetCrtcConfig(ClientPtr client) | |||
| 1050 | { | |||
| 1051 | REQUEST(xRRSetCrtcConfigReq)xRRSetCrtcConfigReq *stuff = (xRRSetCrtcConfigReq *)client-> requestBuffer; | |||
| 1052 | xRRSetCrtcConfigReply rep; | |||
| 1053 | ScreenPtr pScreen; | |||
| 1054 | rrScrPrivPtr pScrPriv; | |||
| 1055 | RRCrtcPtr crtc; | |||
| 1056 | RRModePtr mode; | |||
| 1057 | int numOutputs; | |||
| 1058 | RROutputPtr *outputs = NULL((void*)0); | |||
| 1059 | RROutput *outputIds; | |||
| 1060 | TimeStamp time; | |||
| 1061 | Rotation rotation; | |||
| 1062 | int ret, i, j; | |||
| 1063 | CARD8 status; | |||
| 1064 | ||||
| 1065 | REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq)if ((sizeof(xRRSetCrtcConfigReq) >> 2) > client-> req_len ) return(16); | |||
| 1066 | numOutputs = (stuff->length - bytes_to_int32(SIZEOF(xRRSetCrtcConfigReq)28)); | |||
| 1067 | ||||
| 1068 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<5)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1069 | ||||
| 1070 | if (stuff->mode == None0L) { | |||
| 1071 | mode = NULL((void*)0); | |||
| 1072 | if (numOutputs > 0) | |||
| 1073 | return BadMatch8; | |||
| 1074 | } | |||
| 1075 | else { | |||
| 1076 | VERIFY_RR_MODE(stuff->mode, mode, DixSetAttrAccess){ int rc = dixLookupResourceByType((void **)&(mode), stuff ->mode, RRModeType, client, (1<<5)); if (rc != 0) { client ->errorValue = stuff->mode; return rc; } }; | |||
| 1077 | if (numOutputs == 0) | |||
| 1078 | return BadMatch8; | |||
| 1079 | } | |||
| 1080 | if (numOutputs) { | |||
| 1081 | outputs = xallocarray(numOutputs, sizeof(RROutputPtr))xreallocarray(((void*)0), (numOutputs), (sizeof(RROutputPtr)) ); | |||
| 1082 | if (!outputs) | |||
| 1083 | return BadAlloc11; | |||
| 1084 | } | |||
| 1085 | else | |||
| 1086 | outputs = NULL((void*)0); | |||
| 1087 | ||||
| 1088 | outputIds = (RROutput *) (stuff + 1); | |||
| 1089 | for (i = 0; i < numOutputs; i++) { | |||
| 1090 | ret = dixLookupResourceByType((void **) (outputs + i), outputIds[i], | |||
| 1091 | RROutputType, client, DixSetAttrAccess(1<<5)); | |||
| 1092 | if (ret != Success0) { | |||
| 1093 | free(outputs); | |||
| 1094 | return ret; | |||
| 1095 | } | |||
| 1096 | /* validate crtc for this output */ | |||
| 1097 | for (j = 0; j < outputs[i]->numCrtcs; j++) | |||
| 1098 | if (outputs[i]->crtcs[j] == crtc) | |||
| 1099 | break; | |||
| 1100 | if (j == outputs[i]->numCrtcs) { | |||
| 1101 | free(outputs); | |||
| 1102 | return BadMatch8; | |||
| 1103 | } | |||
| 1104 | /* validate mode for this output */ | |||
| 1105 | for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++) { | |||
| 1106 | RRModePtr m = (j < outputs[i]->numModes ? | |||
| 1107 | outputs[i]->modes[j] : | |||
| 1108 | outputs[i]->userModes[j - outputs[i]->numModes]); | |||
| 1109 | if (m == mode) | |||
| 1110 | break; | |||
| 1111 | } | |||
| 1112 | if (j == outputs[i]->numModes + outputs[i]->numUserModes) { | |||
| 1113 | free(outputs); | |||
| 1114 | return BadMatch8; | |||
| 1115 | } | |||
| 1116 | } | |||
| 1117 | /* validate clones */ | |||
| 1118 | for (i = 0; i < numOutputs; i++) { | |||
| 1119 | for (j = 0; j < numOutputs; j++) { | |||
| 1120 | int k; | |||
| 1121 | ||||
| 1122 | if (i == j) | |||
| 1123 | continue; | |||
| 1124 | for (k = 0; k < outputs[i]->numClones; k++) { | |||
| 1125 | if (outputs[i]->clones[k] == outputs[j]) | |||
| 1126 | break; | |||
| 1127 | } | |||
| 1128 | if (k == outputs[i]->numClones) { | |||
| 1129 | free(outputs); | |||
| 1130 | return BadMatch8; | |||
| 1131 | } | |||
| 1132 | } | |||
| 1133 | } | |||
| 1134 | ||||
| 1135 | pScreen = crtc->pScreen; | |||
| 1136 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
| 1137 | ||||
| 1138 | time = ClientTimeToServerTime(stuff->timestamp); | |||
| 1139 | ||||
| 1140 | if (!pScrPriv) { | |||
| 1141 | time = currentTime; | |||
| 1142 | status = RRSetConfigFailed3; | |||
| 1143 | goto sendReply; | |||
| 1144 | } | |||
| 1145 | ||||
| 1146 | /* | |||
| 1147 | * Validate requested rotation | |||
| 1148 | */ | |||
| 1149 | rotation = (Rotation) stuff->rotation; | |||
| 1150 | ||||
| 1151 | /* test the rotation bits only! */ | |||
| 1152 | switch (rotation & 0xf) { | |||
| 1153 | case RR_Rotate_01: | |||
| 1154 | case RR_Rotate_902: | |||
| 1155 | case RR_Rotate_1804: | |||
| 1156 | case RR_Rotate_2708: | |||
| 1157 | break; | |||
| 1158 | default: | |||
| 1159 | /* | |||
| 1160 | * Invalid rotation | |||
| 1161 | */ | |||
| 1162 | client->errorValue = stuff->rotation; | |||
| 1163 | free(outputs); | |||
| 1164 | return BadValue2; | |||
| 1165 | } | |||
| 1166 | ||||
| 1167 | if (mode) { | |||
| 1168 | if ((~crtc->rotations) & rotation) { | |||
| 1169 | /* | |||
| 1170 | * requested rotation or reflection not supported by screen | |||
| 1171 | */ | |||
| 1172 | client->errorValue = stuff->rotation; | |||
| 1173 | free(outputs); | |||
| 1174 | return BadMatch8; | |||
| 1175 | } | |||
| 1176 | ||||
| 1177 | #ifdef RANDR_12_INTERFACE1 | |||
| 1178 | /* | |||
| 1179 | * Check screen size bounds if the DDX provides a 1.2 interface | |||
| 1180 | * for setting screen size. Else, assume the CrtcSet sets | |||
| 1181 | * the size along with the mode. If the driver supports transforms, | |||
| 1182 | * then it must allow crtcs to display a subset of the screen, so | |||
| 1183 | * only do this check for drivers without transform support. | |||
| 1184 | */ | |||
| 1185 | if (pScrPriv->rrScreenSetSize && !crtc->transforms) { | |||
| 1186 | int source_width; | |||
| 1187 | int source_height; | |||
| 1188 | PictTransform transform; | |||
| 1189 | struct pixman_f_transform f_transform, f_inverse; | |||
| 1190 | int width, height; | |||
| 1191 | ||||
| 1192 | if (pScreen->isGPU) { | |||
| 1193 | width = pScreen->current_master->width; | |||
| 1194 | height = pScreen->current_master->height; | |||
| 1195 | } | |||
| 1196 | else { | |||
| 1197 | width = pScreen->width; | |||
| 1198 | height = pScreen->height; | |||
| 1199 | } | |||
| 1200 | ||||
| 1201 | RRTransformCompute(stuff->x, stuff->y, | |||
| 1202 | mode->mode.width, mode->mode.height, | |||
| 1203 | rotation, | |||
| 1204 | &crtc->client_pending_transform, | |||
| 1205 | &transform, &f_transform, &f_inverse); | |||
| 1206 | ||||
| 1207 | RRModeGetScanoutSize(mode, &transform, &source_width, | |||
| 1208 | &source_height); | |||
| 1209 | if (stuff->x + source_width > width) { | |||
| 1210 | client->errorValue = stuff->x; | |||
| 1211 | free(outputs); | |||
| 1212 | return BadValue2; | |||
| 1213 | } | |||
| 1214 | ||||
| 1215 | if (stuff->y + source_height > height) { | |||
| 1216 | client->errorValue = stuff->y; | |||
| 1217 | free(outputs); | |||
| 1218 | return BadValue2; | |||
| 1219 | } | |||
| 1220 | } | |||
| 1221 | #endif | |||
| 1222 | } | |||
| 1223 | ||||
| 1224 | if (!RRCrtcSet(crtc, mode, stuff->x, stuff->y, | |||
| 1225 | rotation, numOutputs, outputs)) { | |||
| 1226 | status = RRSetConfigFailed3; | |||
| 1227 | goto sendReply; | |||
| 1228 | } | |||
| 1229 | status = RRSetConfigSuccess0; | |||
| 1230 | pScrPriv->lastSetTime = time; | |||
| 1231 | ||||
| 1232 | sendReply: | |||
| 1233 | free(outputs); | |||
| 1234 | ||||
| 1235 | rep = (xRRSetCrtcConfigReply) { | |||
| 1236 | .type = X_Reply1, | |||
| 1237 | .status = status, | |||
| 1238 | .sequenceNumber = client->sequence, | |||
| 1239 | .length = 0, | |||
| 1240 | .newTimestamp = pScrPriv->lastSetTime.milliseconds | |||
| 1241 | }; | |||
| 1242 | ||||
| 1243 | if (client->swapped) { | |||
| 1244 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1245 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1246 | swapl(&rep.newTimestamp)do { if (sizeof(*(&rep.newTimestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.newTimestamp) & 3) && ((uintptr_t)(&rep.newTimestamp) & 3) == 0) *(&rep.newTimestamp) = lswapl(*(&rep.newTimestamp )); else swap_uint32((uint32_t *)(&rep.newTimestamp)); } while (0); | |||
| 1247 | } | |||
| 1248 | WriteToClient(client, sizeof(xRRSetCrtcConfigReply), &rep); | |||
| 1249 | ||||
| 1250 | return Success0; | |||
| 1251 | } | |||
| 1252 | ||||
| 1253 | int | |||
| 1254 | ProcRRGetPanning(ClientPtr client) | |||
| 1255 | { | |||
| 1256 | REQUEST(xRRGetPanningReq)xRRGetPanningReq *stuff = (xRRGetPanningReq *)client->requestBuffer; | |||
| 1257 | xRRGetPanningReply rep; | |||
| 1258 | RRCrtcPtr crtc; | |||
| 1259 | ScreenPtr pScreen; | |||
| 1260 | rrScrPrivPtr pScrPriv; | |||
| 1261 | BoxRec total; | |||
| 1262 | BoxRec tracking; | |||
| 1263 | INT16 border[4]; | |||
| 1264 | ||||
| 1265 | REQUEST_SIZE_MATCH(xRRGetPanningReq)if ((sizeof(xRRGetPanningReq) >> 2) != client->req_len ) return(16); | |||
| 1266 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1267 | ||||
| 1268 | /* All crtcs must be associated with screens before client | |||
| 1269 | * requests are processed | |||
| 1270 | */ | |||
| 1271 | pScreen = crtc->pScreen; | |||
| 1272 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
| 1273 | ||||
| 1274 | if (!pScrPriv) | |||
| 1275 | return RRErrorBase + BadRRCrtc1; | |||
| 1276 | ||||
| 1277 | rep = (xRRGetPanningReply) { | |||
| 1278 | .type = X_Reply1, | |||
| 1279 | .status = RRSetConfigSuccess0, | |||
| 1280 | .sequenceNumber = client->sequence, | |||
| 1281 | .length = 1, | |||
| 1282 | .timestamp = pScrPriv->lastSetTime.milliseconds | |||
| 1283 | }; | |||
| 1284 | ||||
| 1285 | if (pScrPriv->rrGetPanning && | |||
| 1286 | pScrPriv->rrGetPanning(pScreen, crtc, &total, &tracking, border)) { | |||
| 1287 | rep.left = total.x1; | |||
| 1288 | rep.top = total.y1; | |||
| 1289 | rep.width = total.x2 - total.x1; | |||
| 1290 | rep.height = total.y2 - total.y1; | |||
| 1291 | rep.track_left = tracking.x1; | |||
| 1292 | rep.track_top = tracking.y1; | |||
| 1293 | rep.track_width = tracking.x2 - tracking.x1; | |||
| 1294 | rep.track_height = tracking.y2 - tracking.y1; | |||
| 1295 | rep.border_left = border[0]; | |||
| 1296 | rep.border_top = border[1]; | |||
| 1297 | rep.border_right = border[2]; | |||
| 1298 | rep.border_bottom = border[3]; | |||
| 1299 | } | |||
| 1300 | ||||
| 1301 | if (client->swapped) { | |||
| 1302 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1303 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1304 | swapl(&rep.timestamp)do { if (sizeof(*(&rep.timestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.timestamp) & 3 ) && ((uintptr_t)(&rep.timestamp) & 3) == 0) * (&rep.timestamp) = lswapl(*(&rep.timestamp)); else swap_uint32 ((uint32_t *)(&rep.timestamp)); } while (0); | |||
| 1305 | swaps(&rep.left)do { if (sizeof(*(&rep.left)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.left) & 1) && ((uintptr_t)( &rep.left) & 1) == 0) *(&rep.left) = lswaps(*(& rep.left)); else swap_uint16((uint16_t *)(&rep.left)); } while (0); | |||
| 1306 | swaps(&rep.top)do { if (sizeof(*(&rep.top)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.top) & 1) && ((uintptr_t)(& rep.top) & 1) == 0) *(&rep.top) = lswaps(*(&rep.top )); else swap_uint16((uint16_t *)(&rep.top)); } while (0); | |||
| 1307 | swaps(&rep.width)do { if (sizeof(*(&rep.width)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.width) & 1) && ((uintptr_t) (&rep.width) & 1) == 0) *(&rep.width) = lswaps(*( &rep.width)); else swap_uint16((uint16_t *)(&rep.width )); } while (0); | |||
| 1308 | swaps(&rep.height)do { if (sizeof(*(&rep.height)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.height) & 1) && ((uintptr_t )(&rep.height) & 1) == 0) *(&rep.height) = lswaps (*(&rep.height)); else swap_uint16((uint16_t *)(&rep. height)); } while (0); | |||
| 1309 | swaps(&rep.track_left)do { if (sizeof(*(&rep.track_left)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.track_left) & 1) && ((uintptr_t)(&rep.track_left) & 1) == 0 ) *(&rep.track_left) = lswaps(*(&rep.track_left)); else swap_uint16((uint16_t *)(&rep.track_left)); } while (0); | |||
| 1310 | swaps(&rep.track_top)do { if (sizeof(*(&rep.track_top)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.track_top) & 1 ) && ((uintptr_t)(&rep.track_top) & 1) == 0) * (&rep.track_top) = lswaps(*(&rep.track_top)); else swap_uint16 ((uint16_t *)(&rep.track_top)); } while (0); | |||
| 1311 | swaps(&rep.track_width)do { if (sizeof(*(&rep.track_width)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.track_width) & 1) && ((uintptr_t)(&rep.track_width) & 1) == 0) *(&rep.track_width) = lswaps(*(&rep.track_width)) ; else swap_uint16((uint16_t *)(&rep.track_width)); } while (0); | |||
| 1312 | swaps(&rep.track_height)do { if (sizeof(*(&rep.track_height)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.track_height) & 1) && ((uintptr_t)(&rep.track_height) & 1) == 0) *(&rep.track_height) = lswaps(*(&rep.track_height )); else swap_uint16((uint16_t *)(&rep.track_height)); } while (0); | |||
| 1313 | swaps(&rep.border_left)do { if (sizeof(*(&rep.border_left)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.border_left) & 1) && ((uintptr_t)(&rep.border_left) & 1) == 0) *(&rep.border_left) = lswaps(*(&rep.border_left)) ; else swap_uint16((uint16_t *)(&rep.border_left)); } while (0); | |||
| 1314 | swaps(&rep.border_top)do { if (sizeof(*(&rep.border_top)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.border_top) & 1) && ((uintptr_t)(&rep.border_top) & 1) == 0 ) *(&rep.border_top) = lswaps(*(&rep.border_top)); else swap_uint16((uint16_t *)(&rep.border_top)); } while (0); | |||
| 1315 | swaps(&rep.border_right)do { if (sizeof(*(&rep.border_right)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.border_right) & 1) && ((uintptr_t)(&rep.border_right) & 1) == 0) *(&rep.border_right) = lswaps(*(&rep.border_right )); else swap_uint16((uint16_t *)(&rep.border_right)); } while (0); | |||
| 1316 | swaps(&rep.border_bottom)do { if (sizeof(*(&rep.border_bottom)) != 2) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&rep.border_bottom ) & 1) && ((uintptr_t)(&rep.border_bottom) & 1) == 0) *(&rep.border_bottom) = lswaps(*(&rep.border_bottom )); else swap_uint16((uint16_t *)(&rep.border_bottom)); } while (0); | |||
| 1317 | } | |||
| 1318 | WriteToClient(client, sizeof(xRRGetPanningReply), &rep); | |||
| 1319 | return Success0; | |||
| 1320 | } | |||
| 1321 | ||||
| 1322 | int | |||
| 1323 | ProcRRSetPanning(ClientPtr client) | |||
| 1324 | { | |||
| 1325 | REQUEST(xRRSetPanningReq)xRRSetPanningReq *stuff = (xRRSetPanningReq *)client->requestBuffer; | |||
| 1326 | xRRSetPanningReply rep; | |||
| 1327 | RRCrtcPtr crtc; | |||
| 1328 | ScreenPtr pScreen; | |||
| 1329 | rrScrPrivPtr pScrPriv; | |||
| 1330 | TimeStamp time; | |||
| 1331 | BoxRec total; | |||
| 1332 | BoxRec tracking; | |||
| 1333 | INT16 border[4]; | |||
| 1334 | CARD8 status; | |||
| 1335 | ||||
| 1336 | REQUEST_SIZE_MATCH(xRRSetPanningReq)if ((sizeof(xRRSetPanningReq) >> 2) != client->req_len ) return(16); | |||
| 1337 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1338 | ||||
| 1339 | /* All crtcs must be associated with screens before client | |||
| 1340 | * requests are processed | |||
| 1341 | */ | |||
| 1342 | pScreen = crtc->pScreen; | |||
| 1343 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
| 1344 | ||||
| 1345 | if (!pScrPriv) { | |||
| 1346 | time = currentTime; | |||
| 1347 | status = RRSetConfigFailed3; | |||
| 1348 | goto sendReply; | |||
| 1349 | } | |||
| 1350 | ||||
| 1351 | time = ClientTimeToServerTime(stuff->timestamp); | |||
| 1352 | ||||
| 1353 | if (!pScrPriv->rrGetPanning) | |||
| 1354 | return RRErrorBase + BadRRCrtc1; | |||
| 1355 | ||||
| 1356 | total.x1 = stuff->left; | |||
| 1357 | total.y1 = stuff->top; | |||
| 1358 | total.x2 = total.x1 + stuff->width; | |||
| 1359 | total.y2 = total.y1 + stuff->height; | |||
| 1360 | tracking.x1 = stuff->track_left; | |||
| 1361 | tracking.y1 = stuff->track_top; | |||
| 1362 | tracking.x2 = tracking.x1 + stuff->track_width; | |||
| 1363 | tracking.y2 = tracking.y1 + stuff->track_height; | |||
| 1364 | border[0] = stuff->border_left; | |||
| 1365 | border[1] = stuff->border_top; | |||
| 1366 | border[2] = stuff->border_right; | |||
| 1367 | border[3] = stuff->border_bottom; | |||
| 1368 | ||||
| 1369 | if (!pScrPriv->rrSetPanning(pScreen, crtc, &total, &tracking, border)) | |||
| 1370 | return BadMatch8; | |||
| 1371 | ||||
| 1372 | pScrPriv->lastSetTime = time; | |||
| 1373 | ||||
| 1374 | status = RRSetConfigSuccess0; | |||
| 1375 | ||||
| 1376 | sendReply: | |||
| 1377 | rep = (xRRSetPanningReply) { | |||
| 1378 | .type = X_Reply1, | |||
| 1379 | .status = status, | |||
| 1380 | .sequenceNumber = client->sequence, | |||
| 1381 | .length = 0, | |||
| 1382 | .newTimestamp = pScrPriv->lastSetTime.milliseconds | |||
| 1383 | }; | |||
| 1384 | ||||
| 1385 | if (client->swapped) { | |||
| 1386 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1387 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1388 | swapl(&rep.newTimestamp)do { if (sizeof(*(&rep.newTimestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.newTimestamp) & 3) && ((uintptr_t)(&rep.newTimestamp) & 3) == 0) *(&rep.newTimestamp) = lswapl(*(&rep.newTimestamp )); else swap_uint32((uint32_t *)(&rep.newTimestamp)); } while (0); | |||
| 1389 | } | |||
| 1390 | WriteToClient(client, sizeof(xRRSetPanningReply), &rep); | |||
| 1391 | return Success0; | |||
| 1392 | } | |||
| 1393 | ||||
| 1394 | int | |||
| 1395 | ProcRRGetCrtcGammaSize(ClientPtr client) | |||
| 1396 | { | |||
| 1397 | REQUEST(xRRGetCrtcGammaSizeReq)xRRGetCrtcGammaSizeReq *stuff = (xRRGetCrtcGammaSizeReq *)client ->requestBuffer; | |||
| 1398 | xRRGetCrtcGammaSizeReply reply; | |||
| 1399 | RRCrtcPtr crtc; | |||
| 1400 | ||||
| 1401 | REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq)if ((sizeof(xRRGetCrtcGammaSizeReq) >> 2) != client-> req_len) return(16); | |||
| 1402 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1403 | ||||
| 1404 | /* Gamma retrieval failed, any better error? */ | |||
| 1405 | if (!RRCrtcGammaGet(crtc)) | |||
| 1406 | return RRErrorBase + BadRRCrtc1; | |||
| 1407 | ||||
| 1408 | reply = (xRRGetCrtcGammaSizeReply) { | |||
| 1409 | .type = X_Reply1, | |||
| 1410 | .sequenceNumber = client->sequence, | |||
| 1411 | .length = 0, | |||
| 1412 | .size = crtc->gammaSize | |||
| 1413 | }; | |||
| 1414 | if (client->swapped) { | |||
| 1415 | swaps(&reply.sequenceNumber)do { if (sizeof(*(&reply.sequenceNumber)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&reply.sequenceNumber ) & 1) && ((uintptr_t)(&reply.sequenceNumber) & 1) == 0) *(&reply.sequenceNumber) = lswaps(*(& reply.sequenceNumber)); else swap_uint16((uint16_t *)(&reply .sequenceNumber)); } while (0); | |||
| 1416 | swapl(&reply.length)do { if (sizeof(*(&reply.length)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&reply.length) & 3) && ((uintptr_t)(&reply.length) & 3) == 0) *(&reply. length) = lswapl(*(&reply.length)); else swap_uint32((uint32_t *)(&reply.length)); } while (0); | |||
| 1417 | swaps(&reply.size)do { if (sizeof(*(&reply.size)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&reply.size) & 1) && ((uintptr_t )(&reply.size) & 1) == 0) *(&reply.size) = lswaps (*(&reply.size)); else swap_uint16((uint16_t *)(&reply .size)); } while (0); | |||
| 1418 | } | |||
| 1419 | WriteToClient(client, sizeof(xRRGetCrtcGammaSizeReply), &reply); | |||
| 1420 | return Success0; | |||
| 1421 | } | |||
| 1422 | ||||
| 1423 | int | |||
| 1424 | ProcRRGetCrtcGamma(ClientPtr client) | |||
| 1425 | { | |||
| 1426 | REQUEST(xRRGetCrtcGammaReq)xRRGetCrtcGammaReq *stuff = (xRRGetCrtcGammaReq *)client-> requestBuffer; | |||
| 1427 | xRRGetCrtcGammaReply reply; | |||
| 1428 | RRCrtcPtr crtc; | |||
| 1429 | unsigned long len; | |||
| 1430 | char *extra = NULL((void*)0); | |||
| 1431 | ||||
| 1432 | REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq)if ((sizeof(xRRGetCrtcGammaReq) >> 2) != client->req_len ) return(16); | |||
| 1433 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1434 | ||||
| 1435 | /* Gamma retrieval failed, any better error? */ | |||
| 1436 | if (!RRCrtcGammaGet(crtc)) | |||
| 1437 | return RRErrorBase + BadRRCrtc1; | |||
| 1438 | ||||
| 1439 | len = crtc->gammaSize * 3 * 2; | |||
| 1440 | ||||
| 1441 | if (crtc->gammaSize) { | |||
| 1442 | extra = malloc(len); | |||
| 1443 | if (!extra) | |||
| 1444 | return BadAlloc11; | |||
| 1445 | } | |||
| 1446 | ||||
| 1447 | reply = (xRRGetCrtcGammaReply) { | |||
| 1448 | .type = X_Reply1, | |||
| 1449 | .sequenceNumber = client->sequence, | |||
| 1450 | .length = bytes_to_int32(len), | |||
| 1451 | .size = crtc->gammaSize | |||
| 1452 | }; | |||
| 1453 | if (client->swapped) { | |||
| 1454 | swaps(&reply.sequenceNumber)do { if (sizeof(*(&reply.sequenceNumber)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&reply.sequenceNumber ) & 1) && ((uintptr_t)(&reply.sequenceNumber) & 1) == 0) *(&reply.sequenceNumber) = lswaps(*(& reply.sequenceNumber)); else swap_uint16((uint16_t *)(&reply .sequenceNumber)); } while (0); | |||
| 1455 | swapl(&reply.length)do { if (sizeof(*(&reply.length)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&reply.length) & 3) && ((uintptr_t)(&reply.length) & 3) == 0) *(&reply. length) = lswapl(*(&reply.length)); else swap_uint32((uint32_t *)(&reply.length)); } while (0); | |||
| 1456 | swaps(&reply.size)do { if (sizeof(*(&reply.size)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&reply.size) & 1) && ((uintptr_t )(&reply.size) & 1) == 0) *(&reply.size) = lswaps (*(&reply.size)); else swap_uint16((uint16_t *)(&reply .size)); } while (0); | |||
| 1457 | } | |||
| 1458 | WriteToClient(client, sizeof(xRRGetCrtcGammaReply), &reply); | |||
| 1459 | if (crtc->gammaSize) { | |||
| 1460 | memcpy(extra, crtc->gammaRed, len)__builtin___memcpy_chk (extra, crtc->gammaRed, len, __builtin_object_size (extra, 0)); | |||
| 1461 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap16Write; | |||
| 1462 | WriteSwappedDataToClient(client, len, extra)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(len), extra); else WriteToClient(client, (int)(len), ( extra));; | |||
| 1463 | free(extra); | |||
| 1464 | } | |||
| 1465 | return Success0; | |||
| 1466 | } | |||
| 1467 | ||||
| 1468 | int | |||
| 1469 | ProcRRSetCrtcGamma(ClientPtr client) | |||
| 1470 | { | |||
| 1471 | REQUEST(xRRSetCrtcGammaReq)xRRSetCrtcGammaReq *stuff = (xRRSetCrtcGammaReq *)client-> requestBuffer; | |||
| 1472 | RRCrtcPtr crtc; | |||
| 1473 | unsigned long len; | |||
| 1474 | CARD16 *red, *green, *blue; | |||
| 1475 | ||||
| 1476 | REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq)if ((sizeof(xRRSetCrtcGammaReq) >> 2) > client->req_len ) return(16); | |||
| 1477 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1478 | ||||
| 1479 | len = client->req_len - bytes_to_int32(sizeof(xRRSetCrtcGammaReq)); | |||
| 1480 | if (len < (stuff->size * 3 + 1) >> 1) | |||
| 1481 | return BadLength16; | |||
| 1482 | ||||
| 1483 | if (stuff->size != crtc->gammaSize) | |||
| 1484 | return BadMatch8; | |||
| 1485 | ||||
| 1486 | red = (CARD16 *) (stuff + 1); | |||
| 1487 | green = red + crtc->gammaSize; | |||
| 1488 | blue = green + crtc->gammaSize; | |||
| 1489 | ||||
| 1490 | RRCrtcGammaSet(crtc, red, green, blue); | |||
| 1491 | ||||
| 1492 | return Success0; | |||
| 1493 | } | |||
| 1494 | ||||
| 1495 | /* Version 1.3 additions */ | |||
| 1496 | ||||
| 1497 | int | |||
| 1498 | ProcRRSetCrtcTransform(ClientPtr client) | |||
| 1499 | { | |||
| 1500 | REQUEST(xRRSetCrtcTransformReq)xRRSetCrtcTransformReq *stuff = (xRRSetCrtcTransformReq *)client ->requestBuffer; | |||
| 1501 | RRCrtcPtr crtc; | |||
| 1502 | PictTransform transform; | |||
| 1503 | struct pixman_f_transform f_transform, f_inverse; | |||
| 1504 | char *filter; | |||
| 1505 | int nbytes; | |||
| 1506 | xFixed *params; | |||
| 1507 | int nparams; | |||
| 1508 | ||||
| 1509 | REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq)if ((sizeof(xRRSetCrtcTransformReq) >> 2) > client-> req_len ) return(16); | |||
| 1510 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1511 | ||||
| 1512 | PictTransform_from_xRenderTransform(&transform, &stuff->transform); | |||
| 1513 | pixman_f_transform_from_pixman_transform(&f_transform, &transform); | |||
| 1514 | if (!pixman_f_transform_invert(&f_inverse, &f_transform)) | |||
| 1515 | return BadMatch8; | |||
| 1516 | ||||
| 1517 | filter = (char *) (stuff + 1); | |||
| 1518 | nbytes = stuff->nbytesFilter; | |||
| 1519 | params = (xFixed *) (filter + pad_to_int32(nbytes)); | |||
| 1520 | nparams = ((xFixed *) stuff + client->req_len) - params; | |||
| 1521 | if (nparams < 0) | |||
| 1522 | return BadLength16; | |||
| 1523 | ||||
| 1524 | return RRCrtcTransformSet(crtc, &transform, &f_transform, &f_inverse, | |||
| 1525 | filter, nbytes, params, nparams); | |||
| 1526 | } | |||
| 1527 | ||||
| 1528 | #define CrtcTransformExtra(96 - 32) (SIZEOF(xRRGetCrtcTransformReply)96 - 32) | |||
| 1529 | ||||
| 1530 | static int | |||
| 1531 | transform_filter_length(RRTransformPtr transform) | |||
| 1532 | { | |||
| 1533 | int nbytes, nparams; | |||
| 1534 | ||||
| 1535 | if (transform->filter == NULL((void*)0)) | |||
| 1536 | return 0; | |||
| 1537 | nbytes = strlen(transform->filter->name); | |||
| 1538 | nparams = transform->nparams; | |||
| 1539 | return pad_to_int32(nbytes) + (nparams * sizeof(xFixed)); | |||
| 1540 | } | |||
| 1541 | ||||
| 1542 | static int | |||
| 1543 | transform_filter_encode(ClientPtr client, char *output, | |||
| 1544 | CARD16 *nbytesFilter, | |||
| 1545 | CARD16 *nparamsFilter, RRTransformPtr transform) | |||
| 1546 | { | |||
| 1547 | int nbytes, nparams; | |||
| 1548 | ||||
| 1549 | if (transform->filter == NULL((void*)0)) { | |||
| 1550 | *nbytesFilter = 0; | |||
| 1551 | *nparamsFilter = 0; | |||
| 1552 | return 0; | |||
| 1553 | } | |||
| 1554 | nbytes = strlen(transform->filter->name); | |||
| 1555 | nparams = transform->nparams; | |||
| 1556 | *nbytesFilter = nbytes; | |||
| 1557 | *nparamsFilter = nparams; | |||
| 1558 | memcpy(output, transform->filter->name, nbytes)__builtin___memcpy_chk (output, transform->filter->name , nbytes, __builtin_object_size (output, 0)); | |||
| 1559 | while ((nbytes & 3) != 0) | |||
| 1560 | output[nbytes++] = 0; | |||
| 1561 | memcpy(output + nbytes, transform->params, nparams * sizeof(xFixed))__builtin___memcpy_chk (output + nbytes, transform->params , nparams * sizeof(xFixed), __builtin_object_size (output + nbytes , 0)); | |||
| 1562 | if (client->swapped) { | |||
| 1563 | swaps(nbytesFilter)do { if (sizeof(*(nbytesFilter)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(nbytesFilter) & 1) && ((uintptr_t)(nbytesFilter ) & 1) == 0) *(nbytesFilter) = lswaps(*(nbytesFilter)); else swap_uint16((uint16_t *)(nbytesFilter)); } while (0); | |||
| 1564 | swaps(nparamsFilter)do { if (sizeof(*(nparamsFilter)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(nparamsFilter) & 1) && ((uintptr_t)( nparamsFilter) & 1) == 0) *(nparamsFilter) = lswaps(*(nparamsFilter )); else swap_uint16((uint16_t *)(nparamsFilter)); } while (0 ); | |||
| 1565 | SwapLongs((CARD32 *) (output + nbytes), nparams); | |||
| 1566 | } | |||
| 1567 | nbytes += nparams * sizeof(xFixed); | |||
| 1568 | return nbytes; | |||
| 1569 | } | |||
| 1570 | ||||
| 1571 | static void | |||
| 1572 | transform_encode(ClientPtr client, xRenderTransform * wire, | |||
| 1573 | PictTransform * pict) | |||
| 1574 | { | |||
| 1575 | xRenderTransform_from_PictTransform(wire, pict); | |||
| 1576 | if (client->swapped) | |||
| 1577 | SwapLongs((CARD32 *) wire, bytes_to_int32(sizeof(xRenderTransform))); | |||
| 1578 | } | |||
| 1579 | ||||
| 1580 | int | |||
| 1581 | ProcRRGetCrtcTransform(ClientPtr client) | |||
| 1582 | { | |||
| 1583 | REQUEST(xRRGetCrtcTransformReq)xRRGetCrtcTransformReq *stuff = (xRRGetCrtcTransformReq *)client ->requestBuffer; | |||
| 1584 | xRRGetCrtcTransformReply *reply; | |||
| 1585 | RRCrtcPtr crtc; | |||
| 1586 | int nextra; | |||
| 1587 | RRTransformPtr current, pending; | |||
| 1588 | char *extra; | |||
| 1589 | ||||
| 1590 | REQUEST_SIZE_MATCH(xRRGetCrtcTransformReq)if ((sizeof(xRRGetCrtcTransformReq) >> 2) != client-> req_len) return(16); | |||
| 1591 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess){ int rc = dixLookupResourceByType((void **)&(crtc), stuff ->crtc, RRCrtcType, client, (1<<0)); if (rc != 0) { client ->errorValue = stuff->crtc; return rc; } }; | |||
| 1592 | ||||
| 1593 | pending = &crtc->client_pending_transform; | |||
| 1594 | current = &crtc->client_current_transform; | |||
| 1595 | ||||
| 1596 | nextra = (transform_filter_length(pending) + | |||
| 1597 | transform_filter_length(current)); | |||
| 1598 | ||||
| 1599 | reply = calloc(1, sizeof(xRRGetCrtcTransformReply) + nextra); | |||
| 1600 | if (!reply) | |||
| 1601 | return BadAlloc11; | |||
| 1602 | ||||
| 1603 | extra = (char *) (reply + 1); | |||
| 1604 | reply->type = X_Reply1; | |||
| 1605 | reply->sequenceNumber = client->sequence; | |||
| 1606 | reply->length = bytes_to_int32(CrtcTransformExtra(96 - 32) + nextra); | |||
| 1607 | ||||
| 1608 | reply->hasTransforms = crtc->transforms; | |||
| 1609 | ||||
| 1610 | transform_encode(client, &reply->pendingTransform, &pending->transform); | |||
| 1611 | extra += transform_filter_encode(client, extra, | |||
| 1612 | &reply->pendingNbytesFilter, | |||
| 1613 | &reply->pendingNparamsFilter, pending); | |||
| 1614 | ||||
| 1615 | transform_encode(client, &reply->currentTransform, ¤t->transform); | |||
| 1616 | extra += transform_filter_encode(client, extra, | |||
| 1617 | &reply->currentNbytesFilter, | |||
| 1618 | &reply->currentNparamsFilter, current); | |||
| 1619 | ||||
| 1620 | if (client->swapped) { | |||
| 1621 | swaps(&reply->sequenceNumber)do { if (sizeof(*(&reply->sequenceNumber)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&reply->sequenceNumber ) & 1) && ((uintptr_t)(&reply->sequenceNumber ) & 1) == 0) *(&reply->sequenceNumber) = lswaps(*( &reply->sequenceNumber)); else swap_uint16((uint16_t * )(&reply->sequenceNumber)); } while (0); | |||
| 1622 | swapl(&reply->length)do { if (sizeof(*(&reply->length)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&reply->length) & 3) && ((uintptr_t)(&reply->length) & 3) == 0) *(&reply->length) = lswapl(*(&reply->length )); else swap_uint32((uint32_t *)(&reply->length)); } while (0); | |||
| 1623 | } | |||
| 1624 | WriteToClient(client, sizeof(xRRGetCrtcTransformReply) + nextra, reply); | |||
| 1625 | free(reply); | |||
| 1626 | return Success0; | |||
| 1627 | } | |||
| 1628 | ||||
| 1629 | static Bool | |||
| 1630 | check_all_screen_crtcs(ScreenPtr pScreen, int *x, int *y) | |||
| 1631 | { | |||
| 1632 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 1633 | int i; | |||
| 1634 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
| 1635 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; | |||
| 1636 | ||||
| 1637 | int left, right, top, bottom; | |||
| 1638 | ||||
| 1639 | if (!crtc->mode) | |||
| 1640 | continue; | |||
| 1641 | ||||
| 1642 | crtc_bounds(crtc, &left, &right, &top, &bottom); | |||
| 1643 | ||||
| 1644 | if ((*x >= left) && (*x < right) && (*y >= top) && (*y < bottom)) | |||
| 1645 | return TRUE1; | |||
| 1646 | } | |||
| 1647 | return FALSE0; | |||
| 1648 | } | |||
| 1649 | ||||
| 1650 | static Bool | |||
| 1651 | constrain_all_screen_crtcs(DeviceIntPtr pDev, ScreenPtr pScreen, int *x, int *y) | |||
| 1652 | { | |||
| 1653 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 1654 | int i; | |||
| 1655 | ||||
| 1656 | /* if we're trying to escape, clamp to the CRTC we're coming from */ | |||
| 1657 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
| 1658 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; | |||
| 1659 | int nx, ny; | |||
| 1660 | int left, right, top, bottom; | |||
| 1661 | ||||
| 1662 | if (!crtc->mode) | |||
| 1663 | continue; | |||
| 1664 | ||||
| 1665 | crtc_bounds(crtc, &left, &right, &top, &bottom); | |||
| 1666 | miPointerGetPosition(pDev, &nx, &ny); | |||
| 1667 | ||||
| 1668 | if ((nx >= left) && (nx < right) && (ny >= top) && (ny < bottom)) { | |||
| 1669 | if (*x < left) | |||
| 1670 | *x = left; | |||
| 1671 | if (*x >= right) | |||
| 1672 | *x = right - 1; | |||
| 1673 | if (*y < top) | |||
| 1674 | *y = top; | |||
| 1675 | if (*y >= bottom) | |||
| 1676 | *y = bottom - 1; | |||
| 1677 | ||||
| 1678 | return TRUE1; | |||
| 1679 | } | |||
| 1680 | } | |||
| 1681 | return FALSE0; | |||
| 1682 | } | |||
| 1683 | ||||
| 1684 | void | |||
| 1685 | RRConstrainCursorHarder(DeviceIntPtr pDev, ScreenPtr pScreen, int mode, int *x, | |||
| 1686 | int *y) | |||
| 1687 | { | |||
| 1688 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
| 1689 | Bool ret; | |||
| 1690 | ScreenPtr slave; | |||
| 1691 | ||||
| 1692 | /* intentional dead space -> let it float */ | |||
| 1693 | if (pScrPriv->discontiguous) | |||
| 1694 | return; | |||
| 1695 | ||||
| 1696 | /* if we're moving inside a crtc, we're fine */ | |||
| 1697 | ret = check_all_screen_crtcs(pScreen, x, y); | |||
| 1698 | if (ret == TRUE1) | |||
| 1699 | return; | |||
| 1700 | ||||
| 1701 | xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head)for (slave = ((void*)0), slave = (typeof(*slave) *)((char *)( (&pScreen->output_slave_list)->next) - __builtin_offsetof (typeof(*slave), output_head)); &slave->output_head != (&pScreen->output_slave_list); slave = (typeof(*slave ) *)((char *)(slave->output_head.next) - __builtin_offsetof (typeof(*slave), output_head))) { | |||
| 1702 | ret = check_all_screen_crtcs(slave, x, y); | |||
| 1703 | if (ret == TRUE1) | |||
| 1704 | return; | |||
| 1705 | } | |||
| 1706 | ||||
| 1707 | /* if we're trying to escape, clamp to the CRTC we're coming from */ | |||
| 1708 | ret = constrain_all_screen_crtcs(pDev, pScreen, x, y); | |||
| 1709 | if (ret == TRUE1) | |||
| 1710 | return; | |||
| 1711 | ||||
| 1712 | xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head)for (slave = ((void*)0), slave = (typeof(*slave) *)((char *)( (&pScreen->output_slave_list)->next) - __builtin_offsetof (typeof(*slave), output_head)); &slave->output_head != (&pScreen->output_slave_list); slave = (typeof(*slave ) *)((char *)(slave->output_head.next) - __builtin_offsetof (typeof(*slave), output_head))) { | |||
| 1713 | ret = constrain_all_screen_crtcs(pDev, slave, x, y); | |||
| 1714 | if (ret == TRUE1) | |||
| 1715 | return; | |||
| 1716 | } | |||
| 1717 | } | |||
| 1718 | ||||
| 1719 | Bool | |||
| 1720 | RRReplaceScanoutPixmap(DrawablePtr pDrawable, PixmapPtr pPixmap, Bool enable) | |||
| 1721 | { | |||
| 1722 | rrScrPriv(pDrawable->pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pDrawable->pScreen)->devPrivates, (&rrPrivKeyRec)) ); | |||
| 1723 | Bool ret = TRUE1; | |||
| 1724 | PixmapPtr *saved_scanout_pixmap; | |||
| 1725 | int i; | |||
| 1726 | ||||
| 1727 | saved_scanout_pixmap = malloc(sizeof(PixmapPtr)*pScrPriv->numCrtcs); | |||
| 1728 | if (saved_scanout_pixmap == NULL((void*)0)) | |||
| 1729 | return FALSE0; | |||
| 1730 | ||||
| 1731 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
| 1732 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; | |||
| 1733 | Bool size_fits; | |||
| 1734 | ||||
| 1735 | saved_scanout_pixmap[i] = crtc->scanout_pixmap; | |||
| 1736 | ||||
| 1737 | if (!crtc->mode && enable) | |||
| 1738 | continue; | |||
| 1739 | if (!crtc->scanout_pixmap && !enable) | |||
| 1740 | continue; | |||
| 1741 | ||||
| 1742 | size_fits = (crtc->mode && | |||
| 1743 | crtc->x == pDrawable->x && | |||
| 1744 | crtc->y == pDrawable->y && | |||
| 1745 | crtc->mode->mode.width == pDrawable->width && | |||
| 1746 | crtc->mode->mode.height == pDrawable->height); | |||
| 1747 | ||||
| 1748 | /* is the pixmap already set? */ | |||
| 1749 | if (crtc->scanout_pixmap == pPixmap) { | |||
| 1750 | /* if its a disable then don't care about size */ | |||
| 1751 | if (enable == FALSE0) { | |||
| 1752 | /* set scanout to NULL */ | |||
| 1753 | crtc->scanout_pixmap = NULL((void*)0); | |||
| 1754 | } | |||
| 1755 | else if (!size_fits) { | |||
| 1756 | /* if the size no longer fits then drop off */ | |||
| 1757 | crtc->scanout_pixmap = NULL((void*)0); | |||
| 1758 | pScrPriv->rrCrtcSetScanoutPixmap(crtc, crtc->scanout_pixmap); | |||
| 1759 | ||||
| 1760 | (*pScrPriv->rrCrtcSet) (pDrawable->pScreen, crtc, crtc->mode, crtc->x, crtc->y, | |||
| 1761 | crtc->rotation, crtc->numOutputs, crtc->outputs); | |||
| 1762 | saved_scanout_pixmap[i] = crtc->scanout_pixmap; | |||
| 1763 | ret = FALSE0; | |||
| 1764 | } | |||
| 1765 | else { | |||
| 1766 | /* if the size fits then we are already setup */ | |||
| 1767 | } | |||
| 1768 | } | |||
| 1769 | else { | |||
| 1770 | if (!size_fits) | |||
| 1771 | ret = FALSE0; | |||
| 1772 | else if (enable) | |||
| 1773 | crtc->scanout_pixmap = pPixmap; | |||
| 1774 | else | |||
| 1775 | /* reject an attempt to disable someone else's scanout_pixmap */ | |||
| 1776 | ret = FALSE0; | |||
| 1777 | } | |||
| 1778 | } | |||
| 1779 | ||||
| 1780 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
| 1781 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; | |||
| 1782 | ||||
| 1783 | if (crtc->scanout_pixmap == saved_scanout_pixmap[i]) | |||
| 1784 | continue; | |||
| 1785 | ||||
| 1786 | if (ret) { | |||
| 1787 | pScrPriv->rrCrtcSetScanoutPixmap(crtc, crtc->scanout_pixmap); | |||
| 1788 | ||||
| 1789 | (*pScrPriv->rrCrtcSet) (pDrawable->pScreen, crtc, crtc->mode, crtc->x, crtc->y, | |||
| 1790 | crtc->rotation, crtc->numOutputs, crtc->outputs); | |||
| 1791 | } | |||
| 1792 | else | |||
| 1793 | crtc->scanout_pixmap = saved_scanout_pixmap[i]; | |||
| 1794 | } | |||
| 1795 | free(saved_scanout_pixmap); | |||
| 1796 | ||||
| 1797 | return ret; | |||
| 1798 | } |