| 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 = TRUE; |
| 39 | if (pScreen) { |
| 40 | rrScrPriv(pScreen); |
| 41 | |
| 42 | RRSetChanged(pScreen); |
| 43 | /* |
| 44 | * Send ConfigureNotify on any layout change |
| 45 | */ |
| 46 | if (layoutChanged) |
| 47 | pScrPriv->layoutChanged = TRUE; |
| 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; |
| 63 | |
| 64 | pScrPriv = rrGetScrPriv(pScreen); |
| 65 | |
| 66 | /* make space for the crtc pointer */ |
| 67 | if (pScrPriv->numCrtcs) |
| 68 | crtcs = realloc(pScrPriv->crtcs, |
| 69 | (pScrPriv->numCrtcs + 1) * sizeof(RRCrtcPtr)); |
| 70 | else |
| 71 | crtcs = malloc(sizeof(RRCrtcPtr)); |
| 72 | if (!crtcs) |
| 73 | return FALSE; |
| 74 | pScrPriv->crtcs = crtcs; |
| 75 | |
| 76 | crtc = calloc(1, sizeof(RRCrtcRec)); |
| 77 | if (!crtc) |
| 78 | return NULL; |
| 79 | crtc->id = FakeClientID(0); |
| 80 | crtc->pScreen = pScreen; |
| 81 | crtc->mode = NULL; |
| 82 | crtc->x = 0; |
| 83 | crtc->y = 0; |
| 84 | crtc->rotation = RR_Rotate_0; |
| 85 | crtc->rotations = RR_Rotate_0; |
| 86 | crtc->outputs = NULL; |
| 87 | crtc->numOutputs = 0; |
| 88 | crtc->gammaSize = 0; |
| 89 | crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL; |
| 90 | crtc->changed = FALSE; |
| 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 (!AddResource(crtc->id, RRCrtcType, (pointer) crtc)) |
| 99 | return NULL; |
| 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], FALSE); |
| 153 | RRCrtcChanged(crtc, FALSE); |
| 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; |
| 167 | RROutputChanged(crtc->outputs[j], FALSE); |
| 168 | RRCrtcChanged(crtc, FALSE); |
| 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 = realloc(crtc->outputs, |
| 180 | numOutputs * sizeof(RROutputPtr)); |
| 181 | else |
| 182 | newoutputs = malloc(numOutputs * sizeof(RROutputPtr)); |
| 183 | if (!newoutputs) |
| 184 | return FALSE; |
| 185 | } |
| 186 | else { |
| 187 | free(crtc->outputs); |
| 188 | newoutputs = NULL; |
| 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)); |
| 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) |
| 205 | mode->refcnt++; |
| 206 | RRCrtcChanged(crtc, TRUE); |
| 207 | } |
| 208 | if (x != crtc->x) { |
| 209 | crtc->x = x; |
| 210 | RRCrtcChanged(crtc, TRUE); |
| 211 | } |
| 212 | if (y != crtc->y) { |
| 213 | crtc->y = y; |
| 214 | RRCrtcChanged(crtc, TRUE); |
| 215 | } |
| 216 | if (rotation != crtc->rotation) { |
| 217 | crtc->rotation = rotation; |
| 218 | RRCrtcChanged(crtc, TRUE); |
| 219 | } |
| 220 | if (!RRTransformEqual(transform, &crtc->client_current_transform)) { |
| 221 | RRTransformCopy(&crtc->client_current_transform, transform); |
| 222 | RRCrtcChanged(crtc, TRUE); |
| 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 TRUE; |
| 233 | } |
| 234 | |
| 235 | void |
| 236 | RRDeliverCrtcEvent(ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc) |
| 237 | { |
| 238 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 239 | |
| 240 | rrScrPriv(pScreen); |
| 241 | RRModePtr mode = crtc->mode; |
| 242 | |
| 243 | xRRCrtcChangeNotifyEvent ce = { |
| 244 | .type = RRNotify + RREventBase, |
| 245 | .subCode = RRNotify_CrtcChange, |
| 246 | .timestamp = pScrPriv->lastSetTime.milliseconds, |
| 247 | .window = pWin->drawable.id, |
| 248 | .crtc = crtc->id, |
| 249 | .mode = mode ? mode->mode.id : None, |
| 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); |
| 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 TRUE; |
| 272 | } |
| 273 | return FALSE; |
| 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_0: |
| 284 | case RR_Rotate_180: |
| 285 | default: |
| 286 | *right = crtc->x + crtc->mode->mode.width; |
| 287 | *bottom = crtc->y + crtc->mode->mode.height; |
| 288 | return; |
| 289 | case RR_Rotate_90: |
| 290 | case RR_Rotate_270: |
| 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); |
| 310 | cr = min(ar, br); |
| 311 | ct = max(at, bt); |
| 312 | cb = min(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] = TRUE; |
| 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); |
| 336 | Bool discontiguous = TRUE; |
| 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 = FALSE; |
| 358 | |
| 359 | out: |
| 360 | free(reachable); |
| 361 | pScrPriv->discontiguous = discontiguous; |
| 362 | } |
| 363 | |
| 364 | void |
| 365 | RRCrtcDetachScanoutPixmap(RRCrtcPtr crtc) |
| 366 | { |
| 367 | ScreenPtr master = crtc->pScreen->current_master; |
| 368 | PixmapPtr mscreenpix; |
| 369 | rrScrPriv(crtc->pScreen); |
| 370 | |
| 371 | mscreenpix = master->GetScreenPixmap(master); |
| 372 | |
| 373 | pScrPriv->rrCrtcSetScanoutPixmap(crtc, NULL); |
| 374 | if (crtc->scanout_pixmap) { |
| 375 | master->StopPixmapTracking(mscreenpix, crtc->scanout_pixmap); |
| 376 | /* |
| 377 | * Unref the pixmap twice: once for the original reference, and once |
| 378 | * for the reference implicitly added by PixmapShareToSlave. |
| 379 | */ |
| 380 | master->DestroyPixmap(crtc->scanout_pixmap->master_pixmap); |
| 381 | master->DestroyPixmap(crtc->scanout_pixmap->master_pixmap); |
| 382 | crtc->pScreen->DestroyPixmap(crtc->scanout_pixmap); |
| 383 | } |
| 384 | crtc->scanout_pixmap = NULL; |
| 385 | RRCrtcChanged(crtc, TRUE); |
| 386 | } |
| 387 | |
| 388 | static Bool |
| 389 | rrCreateSharedPixmap(RRCrtcPtr crtc, int width, int height, |
| 390 | int x, int y) |
| 391 | { |
| 392 | PixmapPtr mpix, spix; |
| 393 | ScreenPtr master = crtc->pScreen->current_master; |
| 394 | Bool ret; |
| 395 | int depth; |
| 396 | PixmapPtr mscreenpix; |
| 397 | PixmapPtr protopix = crtc->pScreen->current_master->GetScreenPixmap(crtc->pScreen->current_master); |
| 398 | rrScrPriv(crtc->pScreen); |
| 399 | |
| 400 | /* create a pixmap on the master screen, |
| 401 | then get a shared handle for it |
| 402 | create a shared pixmap on the slave screen using the handle |
| 403 | set the master screen to do dirty updates to the shared pixmap |
| 404 | from the screen pixmap. |
| 405 | set slave screen to scanout shared linear pixmap |
| 406 | */ |
| 407 | |
| 408 | mscreenpix = master->GetScreenPixmap(master); |
| 409 | depth = protopix->drawable.depth; |
| 410 | |
| 411 | if (crtc->scanout_pixmap) |
| 412 | RRCrtcDetachScanoutPixmap(crtc); |
| 413 | |
| 414 | if (width == 0 && height == 0) { |
| 415 | return TRUE; |
| 416 | } |
| 417 | |
| 418 | mpix = master->CreatePixmap(master, width, height, depth, |
| 419 | CREATE_PIXMAP_USAGE_SHARED); |
| 420 | if (!mpix) |
| 421 | return FALSE; |
| 422 | |
| 423 | spix = PixmapShareToSlave(mpix, crtc->pScreen); |
| 424 | if (spix == NULL) { |
| 425 | master->DestroyPixmap(mpix); |
| 426 | return FALSE; |
| 427 | } |
| 428 | |
| 429 | ret = pScrPriv->rrCrtcSetScanoutPixmap(crtc, spix); |
| 430 | if (ret == FALSE) { |
| 431 | ErrorF("failed to set shadow slave pixmap\n"); |
| 432 | return FALSE; |
| 433 | } |
| 434 | |
| 435 | crtc->scanout_pixmap = spix; |
| 436 | |
| 437 | master->StartPixmapTracking(mscreenpix, spix, x, y); |
| 438 | return TRUE; |
| 439 | } |
| 440 | |
| 441 | static Bool |
| 442 | rrCheckPixmapBounding(ScreenPtr pScreen, |
| 443 | RRCrtcPtr rr_crtc, int x, int y, int w, int h) |
| 444 | { |
| 445 | RegionRec root_pixmap_region, total_region, new_crtc_region; |
| 446 | int c; |
| 447 | BoxRec newbox; |
| 448 | BoxPtr newsize; |
| 449 | ScreenPtr slave; |
| 450 | int new_width, new_height; |
| 451 | PixmapPtr screen_pixmap = pScreen->GetScreenPixmap(pScreen); |
| 452 | rrScrPriv(pScreen); |
| 453 | |
| 454 | PixmapRegionInit(&root_pixmap_region, screen_pixmap); |
| 455 | RegionInit(&total_region, NULL, 0); |
| 456 | |
| 457 | /* have to iterate all the crtcs of the attached gpu masters |
| 458 | and all their output slaves */ |
| 459 | for (c = 0; c < pScrPriv->numCrtcs; c++) { |
| 460 | if (pScrPriv->crtcs[c] == rr_crtc) { |
| 461 | newbox.x1 = x; |
| 462 | newbox.x2 = x + w; |
| 463 | newbox.y1 = y; |
| 464 | newbox.y2 = y + h; |
| 465 | } else { |
| 466 | if (!pScrPriv->crtcs[c]->mode) |
| 467 | continue; |
| 468 | newbox.x1 = pScrPriv->crtcs[c]->x; |
| 469 | newbox.x2 = pScrPriv->crtcs[c]->x + pScrPriv->crtcs[c]->mode->mode.width; |
| 470 | newbox.y1 = pScrPriv->crtcs[c]->y; |
| 471 | newbox.y2 = pScrPriv->crtcs[c]->y + pScrPriv->crtcs[c]->mode->mode.height; |
| 472 | } |
| 473 | RegionInit(&new_crtc_region, &newbox, 1); |
| 474 | RegionUnion(&total_region, &total_region, &new_crtc_region); |
| 475 | } |
| 476 | |
| 477 | xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head) { |
| 478 | rrScrPriv(slave); |
| 479 | for (c = 0; c < pScrPriv->numCrtcs; c++) |
| 480 | if (pScrPriv->crtcs[c] == rr_crtc) { |
| 481 | newbox.x1 = x; |
| 482 | newbox.x2 = x + w; |
| 483 | newbox.y1 = y; |
| 484 | newbox.y2 = y + h; |
| 485 | } |
| 486 | else { |
| 487 | if (!pScrPriv->crtcs[c]->mode) |
| 488 | continue; |
| 489 | newbox.x1 = pScrPriv->crtcs[c]->x; |
| 490 | newbox.x2 = pScrPriv->crtcs[c]->x + pScrPriv->crtcs[c]->mode->mode.width; |
| 491 | newbox.y1 = pScrPriv->crtcs[c]->y; |
| 492 | newbox.y2 = pScrPriv->crtcs[c]->y + pScrPriv->crtcs[c]->mode->mode.height; |
| 493 | } |
| 494 | RegionInit(&new_crtc_region, &newbox, 1); |
| 495 | RegionUnion(&total_region, &total_region, &new_crtc_region); |
| 496 | } |
| 497 | |
| 498 | newsize = RegionExtents(&total_region); |
| 499 | new_width = newsize->x2 - newsize->x1; |
| 500 | new_height = newsize->y2 - newsize->y1; |
| 501 | |
| 502 | if (new_width == screen_pixmap->drawable.width && |
| 503 | new_height == screen_pixmap->drawable.height) { |
| 504 | ErrorF("adjust shatters %d %d\n", newsize->x1, newsize->x2); |
| 505 | } else { |
| 506 | rrScrPriv(pScreen); |
| 507 | pScrPriv->rrScreenSetSize(pScreen, new_width, new_height, 0, 0); |
| 508 | } |
| 509 | |
| 510 | /* set shatters TODO */ |
| 511 | return TRUE; |
| 512 | } |
| 513 | |
| 514 | /* |
| 515 | * Request that the Crtc be reconfigured |
| 516 | */ |
| 517 | Bool |
| 518 | RRCrtcSet(RRCrtcPtr crtc, |
| 519 | RRModePtr mode, |
| 520 | int x, |
| 521 | int y, Rotation rotation, int numOutputs, RROutputPtr * outputs) |
| 522 | { |
| 523 | ScreenPtr pScreen = crtc->pScreen; |
| 524 | Bool ret = FALSE; |
| 525 | Bool recompute = TRUE; |
| 526 | |
| 527 | rrScrPriv(pScreen); |
| 528 | |
| 529 | /* See if nothing changed */ |
| 530 | if (crtc->mode == mode && |
| 531 | crtc->x == x && |
| 532 | crtc->y == y && |
| 533 | crtc->rotation == rotation && |
| 534 | crtc->numOutputs == numOutputs && |
| 535 | !memcmp(crtc->outputs, outputs, numOutputs * sizeof(RROutputPtr)) && |
| 536 | !RRCrtcPendingProperties(crtc) && !RRCrtcPendingTransform(crtc)) { |
| 537 | recompute = FALSE; |
| 538 | ret = TRUE; |
| 539 | } |
| 540 | else { |
| 541 | if (pScreen->isGPU) { |
| 542 | ScreenPtr master = pScreen->current_master; |
| 543 | int width = 0, height = 0; |
| 544 | |
| 545 | if (mode) { |
| 546 | width = mode->mode.width; |
| 547 | height = mode->mode.height; |
| 548 | } |
| 549 | ErrorF("have a master to look out for\n"); |
| 550 | ret = rrCheckPixmapBounding(master, crtc, |
| 551 | x, y, width, height); |
| 552 | if (!ret) |
| 553 | return FALSE; |
| 554 | |
| 555 | if (pScreen->current_master) { |
| 556 | ret = rrCreateSharedPixmap(crtc, width, height, x, y); |
| 557 | ErrorF("need to create shared pixmap %d", ret); |
| 558 | |
| 559 | } |
| 560 | } |
| 561 | #if RANDR_12_INTERFACE |
| 562 | if (pScrPriv->rrCrtcSet) { |
| 563 | ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, |
| 564 | rotation, numOutputs, outputs); |
| 565 | } |
| 566 | else |
| 567 | #endif |
| 568 | { |
| 569 | #if RANDR_10_INTERFACE |
| 570 | if (pScrPriv->rrSetConfig) { |
| 571 | RRScreenSize size; |
| 572 | RRScreenRate rate; |
| 573 | |
| 574 | if (!mode) { |
| 575 | RRCrtcNotify(crtc, NULL, x, y, rotation, NULL, 0, NULL); |
| 576 | ret = TRUE; |
| 577 | } |
| 578 | else { |
| 579 | size.width = mode->mode.width; |
| 580 | size.height = mode->mode.height; |
| 581 | if (outputs[0]->mmWidth && outputs[0]->mmHeight) { |
| 582 | size.mmWidth = outputs[0]->mmWidth; |
| 583 | size.mmHeight = outputs[0]->mmHeight; |
| 584 | } |
| 585 | else { |
| 586 | size.mmWidth = pScreen->mmWidth; |
| 587 | size.mmHeight = pScreen->mmHeight; |
| 588 | } |
| 589 | size.nRates = 1; |
| 590 | rate.rate = RRVerticalRefresh(&mode->mode); |
| 591 | size.pRates = &rate; |
| 592 | ret = |
| 593 | (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, |
| 594 | &size); |
| 595 | /* |
| 596 | * Old 1.0 interface tied screen size to mode size |
| 597 | */ |
| 598 | if (ret) { |
| 599 | RRCrtcNotify(crtc, mode, x, y, rotation, NULL, 1, |
| 600 | outputs); |
| 601 | RRScreenSizeNotify(pScreen); |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | #endif |
| 606 | } |
| 607 | if (ret) { |
| 608 | int o; |
| 609 | |
| 610 | RRTellChanged(pScreen); |
| 611 | |
| 612 | for (o = 0; o < numOutputs; o++) |
| 613 | RRPostPendingProperties(outputs[o]); |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | if (recompute) |
| 618 | RRComputeContiguity(pScreen); |
| 619 | |
| 620 | return ret; |
| 621 | } |
| 622 | |
| 623 | /* |
| 624 | * Return crtc transform |
| 625 | */ |
| 626 | RRTransformPtr |
| 627 | RRCrtcGetTransform(RRCrtcPtr crtc) |
| 628 | { |
| 629 | RRTransformPtr transform = &crtc->client_pending_transform; |
| 630 | |
| 631 | if (pixman_transform_is_identity(&transform->transform)) |
| 632 | return NULL; |
| 633 | return transform; |
| 634 | } |
| 635 | |
| 636 | /* |
| 637 | * Check whether the pending and current transforms are the same |
| 638 | */ |
| 639 | Bool |
| 640 | RRCrtcPendingTransform(RRCrtcPtr crtc) |
| 641 | { |
| 642 | return memcmp(&crtc->client_current_transform.transform, |
| 643 | &crtc->client_pending_transform.transform, |
| 644 | sizeof(PictTransform)) != 0; |
| 645 | } |
| 646 | |
| 647 | /* |
| 648 | * Destroy a Crtc at shutdown |
| 649 | */ |
| 650 | void |
| 651 | RRCrtcDestroy(RRCrtcPtr crtc) |
| 652 | { |
| 653 | FreeResource(crtc->id, 0); |
| 654 | } |
| 655 | |
| 656 | static int |
| 657 | RRCrtcDestroyResource(pointer value, XID pid) |
| 658 | { |
| 659 | RRCrtcPtr crtc = (RRCrtcPtr) value; |
| 660 | ScreenPtr pScreen = crtc->pScreen; |
| 661 | |
| 662 | if (pScreen) { |
| 663 | rrScrPriv(pScreen); |
| 664 | int i; |
| 665 | |
| 666 | for (i = 0; i < pScrPriv->numCrtcs; i++) { |
| 667 | if (pScrPriv->crtcs[i] == crtc) { |
| 668 | memmove(pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1, |
| 669 | (pScrPriv->numCrtcs - (i + 1)) * sizeof(RRCrtcPtr)); |
| 670 | --pScrPriv->numCrtcs; |
| 671 | break; |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | RRResourcesChanged(pScreen); |
| 676 | } |
| 677 | |
| 678 | if (crtc->scanout_pixmap) |
| 679 | RRCrtcDetachScanoutPixmap(crtc); |
| 680 | free(crtc->gammaRed); |
| 681 | if (crtc->mode) |
| 682 | RRModeDestroy(crtc->mode); |
| 683 | free(crtc); |
| 684 | return 1; |
| 685 | } |
| 686 | |
| 687 | /* |
| 688 | * Request that the Crtc gamma be changed |
| 689 | */ |
| 690 | |
| 691 | Bool |
| 692 | RRCrtcGammaSet(RRCrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue) |
| 693 | { |
| 694 | Bool ret = TRUE; |
| 695 | |
| 696 | #if RANDR_12_INTERFACE |
| 697 | ScreenPtr pScreen = crtc->pScreen; |
| 698 | #endif |
| 699 | |
| 700 | memcpy(crtc->gammaRed, red, crtc->gammaSize * sizeof(CARD16)); |
| 701 | memcpy(crtc->gammaGreen, green, crtc->gammaSize * sizeof(CARD16)); |
| 702 | memcpy(crtc->gammaBlue, blue, crtc->gammaSize * sizeof(CARD16)); |
| 703 | #if RANDR_12_INTERFACE |
| 704 | if (pScreen) { |
| 705 | rrScrPriv(pScreen); |
| 706 | if (pScrPriv->rrCrtcSetGamma) |
| 707 | ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc); |
| 708 | } |
| 709 | #endif |
| 710 | return ret; |
| 711 | } |
| 712 | |
| 713 | /* |
| 714 | * Request current gamma back from the DDX (if possible). |
| 715 | * This includes gamma size. |
| 716 | */ |
| 717 | Bool |
| 718 | RRCrtcGammaGet(RRCrtcPtr crtc) |
| 719 | { |
| 720 | Bool ret = TRUE; |
| 721 | |
| 722 | #if RANDR_12_INTERFACE |
| 723 | ScreenPtr pScreen = crtc->pScreen; |
| 724 | #endif |
| 725 | |
| 726 | #if RANDR_12_INTERFACE |
| 727 | if (pScreen) { |
| 728 | rrScrPriv(pScreen); |
| 729 | if (pScrPriv->rrCrtcGetGamma) |
| 730 | ret = (*pScrPriv->rrCrtcGetGamma) (pScreen, crtc); |
| 731 | } |
| 732 | #endif |
| 733 | return ret; |
| 734 | } |
| 735 | |
| 736 | /* |
| 737 | * Notify the extension that the Crtc gamma has been changed |
| 738 | * The driver calls this whenever it has changed the gamma values |
| 739 | * in the RRCrtcRec |
| 740 | */ |
| 741 | |
| 742 | Bool |
| 743 | RRCrtcGammaNotify(RRCrtcPtr crtc) |
| 744 | { |
| 745 | return TRUE; /* not much going on here */ |
| 746 | } |
| 747 | |
| 748 | static void |
| 749 | RRModeGetScanoutSize(RRModePtr mode, PictTransformPtr transform, |
| 750 | int *width, int *height) |
| 751 | { |
| 752 | BoxRec box; |
| 753 | |
| 754 | if (mode == NULL) { |
| 755 | *width = 0; |
| 756 | *height = 0; |
| 757 | return; |
| 758 | } |
| 759 | |
| 760 | box.x1 = 0; |
| 761 | box.y1 = 0; |
| 762 | box.x2 = mode->mode.width; |
| 763 | box.y2 = mode->mode.height; |
| 764 | |
| 765 | pixman_transform_bounds(transform, &box); |
| 766 | *width = box.x2 - box.x1; |
| 767 | *height = box.y2 - box.y1; |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * Returns the width/height that the crtc scans out from the framebuffer |
| 772 | */ |
| 773 | void |
| 774 | RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height) |
| 775 | { |
| 776 | RRModeGetScanoutSize(crtc->mode, &crtc->transform, width, height); |
| 777 | } |
| 778 | |
| 779 | /* |
| 780 | * Set the size of the gamma table at server startup time |
| 781 | */ |
| 782 | |
| 783 | Bool |
| 784 | RRCrtcGammaSetSize(RRCrtcPtr crtc, int size) |
| 785 | { |
| 786 | CARD16 *gamma; |
| 787 | |
| 788 | if (size == crtc->gammaSize) |
| 789 | return TRUE; |
| 790 | if (size) { |
| 791 | gamma = malloc(size * 3 * sizeof(CARD16)); |
| 792 | if (!gamma) |
| 793 | return FALSE; |
| 794 | } |
| 795 | else |
| 796 | gamma = NULL; |
| 797 | free(crtc->gammaRed); |
| 798 | crtc->gammaRed = gamma; |
| 799 | crtc->gammaGreen = gamma + size; |
| 800 | crtc->gammaBlue = gamma + size * 2; |
| 801 | crtc->gammaSize = size; |
| 802 | return TRUE; |
| 803 | } |
| 804 | |
| 805 | /* |
| 806 | * Set the pending CRTC transformation |
| 807 | */ |
| 808 | |
| 809 | int |
| 810 | RRCrtcTransformSet(RRCrtcPtr crtc, |
| 811 | PictTransformPtr transform, |
| 812 | struct pixman_f_transform *f_transform, |
| 813 | struct pixman_f_transform *f_inverse, |
| 814 | char *filter_name, |
| 815 | int filter_len, xFixed * params, int nparams) |
| 816 | { |
| 817 | PictFilterPtr filter = NULL; |
| 818 | int width = 0, height = 0; |
| 819 | |
| 820 | if (!crtc->transforms) |
| 821 | return BadValue; |
| 822 | |
| 823 | if (filter_len) { |
| 824 | filter = PictureFindFilter(crtc->pScreen, filter_name, filter_len); |
| 825 | if (!filter) |
| 826 | return BadName; |
| 827 | if (filter->ValidateParams) { |
| 828 | if (!filter->ValidateParams(crtc->pScreen, filter->id, |
| 829 | params, nparams, &width, &height)) |
| 830 | return BadMatch; |
| 831 | } |
| 832 | else { |
| 833 | width = filter->width; |
| 834 | height = filter->height; |
| 835 | } |
| 836 | } |
| 837 | else { |
| 838 | if (nparams) |
| 839 | return BadMatch; |
| 840 | } |
| 841 | if (!RRTransformSetFilter(&crtc->client_pending_transform, |
| 842 | filter, params, nparams, width, height)) |
| 843 | return BadAlloc; |
| 844 | |
| 845 | crtc->client_pending_transform.transform = *transform; |
| 846 | crtc->client_pending_transform.f_transform = *f_transform; |
| 847 | crtc->client_pending_transform.f_inverse = *f_inverse; |
| 848 | return Success; |
| 849 | } |
| 850 | |
| 851 | /* |
| 852 | * Initialize crtc type |
| 853 | */ |
| 854 | Bool |
| 855 | RRCrtcInit(void) |
| 856 | { |
| 857 | RRCrtcType = CreateNewResourceType(RRCrtcDestroyResource, "CRTC"); |
| 858 | if (!RRCrtcType) |
| 859 | return FALSE; |
| 860 | |
| 861 | return TRUE; |
| 862 | } |
| 863 | |
| 864 | /* |
| 865 | * Initialize crtc type error value |
| 866 | */ |
| 867 | void |
| 868 | RRCrtcInitErrorValue(void) |
| 869 | { |
| 870 | SetResourceTypeErrorValue(RRCrtcType, RRErrorBase + BadRRCrtc); |
| 871 | } |
| 872 | |
| 873 | int |
| 874 | ProcRRGetCrtcInfo(ClientPtr client) |
| 875 | { |
| 876 | REQUEST(xRRGetCrtcInfoReq); |
| 877 | xRRGetCrtcInfoReply rep; |
| 878 | RRCrtcPtr crtc; |
| 879 | CARD8 *extra; |
| 880 | unsigned long extraLen; |
| 881 | ScreenPtr pScreen; |
| 882 | rrScrPrivPtr pScrPriv; |
| 883 | RRModePtr mode; |
| 884 | RROutput *outputs; |
| 885 | RROutput *possible; |
| 886 | int i, j, k; |
| 887 | int width, height; |
| 888 | BoxRec panned_area; |
| 889 | |
| 890 | REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq); |
| 891 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 892 | |
| 893 | /* All crtcs must be associated with screens before client |
| 894 | * requests are processed |
| 895 | */ |
| 896 | pScreen = crtc->pScreen; |
| 897 | pScrPriv = rrGetScrPriv(pScreen); |
| 898 | |
| 899 | mode = crtc->mode; |
| 900 | |
| 901 | rep = (xRRGetCrtcInfoReply) { |
| 902 | .type = X_Reply, |
| 903 | .status = RRSetConfigSuccess, |
| 904 | .sequenceNumber = client->sequence, |
| 905 | .length = 0, |
| 906 | .timestamp = pScrPriv->lastSetTime.milliseconds |
| 907 | }; |
| 908 | if (pScrPriv->rrGetPanning && |
| 909 | pScrPriv->rrGetPanning(pScreen, crtc, &panned_area, NULL, NULL) && |
| 910 | (panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1)) |
| 911 | { |
| 912 | rep.x = panned_area.x1; |
| 913 | rep.y = panned_area.y1; |
| 914 | rep.width = panned_area.x2 - panned_area.x1; |
| 915 | rep.height = panned_area.y2 - panned_area.y1; |
| 916 | } |
| 917 | else { |
| 918 | RRCrtcGetScanoutSize(crtc, &width, &height); |
| 919 | rep.x = crtc->x; |
| 920 | rep.y = crtc->y; |
| 921 | rep.width = width; |
| 922 | rep.height = height; |
| 923 | } |
| 924 | rep.mode = mode ? mode->mode.id : 0; |
| 925 | rep.rotation = crtc->rotation; |
| 926 | rep.rotations = crtc->rotations; |
| 927 | rep.nOutput = crtc->numOutputs; |
| 928 | k = 0; |
| 929 | for (i = 0; i < pScrPriv->numOutputs; i++) |
| 930 | for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++) |
| 931 | if (pScrPriv->outputs[i]->crtcs[j] == crtc) |
| 932 | k++; |
| 933 | rep.nPossibleOutput = k; |
| 934 | |
| 935 | rep.length = rep.nOutput + rep.nPossibleOutput; |
| 936 | |
| 937 | extraLen = rep.length << 2; |
| 938 | if (extraLen) { |
| 939 | extra = malloc(extraLen); |
| 940 | if (!extra) |
| 941 | return BadAlloc; |
| 942 | } |
| 943 | else |
| 944 | extra = NULL; |
| 945 | |
| 946 | outputs = (RROutput *) extra; |
| 947 | possible = (RROutput *) (outputs + rep.nOutput); |
| 948 | |
| 949 | for (i = 0; i < crtc->numOutputs; i++) { |
| 950 | outputs[i] = crtc->outputs[i]->id; |
| 951 | if (client->swapped) |
| 952 | swapl(&outputs[i]); |
| 953 | } |
| 954 | k = 0; |
| 955 | for (i = 0; i < pScrPriv->numOutputs; i++) |
| 956 | for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++) |
| 957 | if (pScrPriv->outputs[i]->crtcs[j] == crtc) { |
| 958 | possible[k] = pScrPriv->outputs[i]->id; |
| 959 | if (client->swapped) |
| 960 | swapl(&possible[k]); |
| 961 | k++; |
| 962 | } |
| 963 | |
| 964 | if (client->swapped) { |
| 965 | swaps(&rep.sequenceNumber); |
| 966 | swapl(&rep.length); |
| 967 | swapl(&rep.timestamp); |
| 968 | swaps(&rep.x); |
| 969 | swaps(&rep.y); |
| 970 | swaps(&rep.width); |
| 971 | swaps(&rep.height); |
| 972 | swapl(&rep.mode); |
| 973 | swaps(&rep.rotation); |
| 974 | swaps(&rep.rotations); |
| 975 | swaps(&rep.nOutput); |
| 976 | swaps(&rep.nPossibleOutput); |
| 977 | } |
| 978 | WriteToClient(client, sizeof(xRRGetCrtcInfoReply), &rep); |
| 979 | if (extraLen) { |
| 980 | WriteToClient(client, extraLen, extra); |
| 981 | free(extra); |
| 982 | } |
| 983 | |
| 984 | return Success; |
| 985 | } |
| 986 | |
| 987 | int |
| 988 | ProcRRSetCrtcConfig(ClientPtr client) |
| 989 | { |
| 990 | REQUEST(xRRSetCrtcConfigReq); |
| 991 | xRRSetCrtcConfigReply rep; |
| 992 | ScreenPtr pScreen; |
| 993 | rrScrPrivPtr pScrPriv; |
| 994 | RRCrtcPtr crtc; |
| 995 | RRModePtr mode; |
| 996 | int numOutputs; |
| 997 | RROutputPtr *outputs = NULL; |
| 998 | RROutput *outputIds; |
| 999 | TimeStamp time; |
| 1000 | Rotation rotation; |
| 1001 | int ret, i, j; |
| 1002 | CARD8 status; |
| 1003 | |
| 1004 | REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq); |
| 1005 | numOutputs = (stuff->length - bytes_to_int32(SIZEOF(xRRSetCrtcConfigReq))); |
| 1006 | |
| 1007 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess); |
| 1008 | |
| 1009 | if (stuff->mode == None) { |
| 1010 | mode = NULL; |
| 1011 | if (numOutputs > 0) |
| 1012 | return BadMatch; |
| 1013 | } |
| 1014 | else { |
| 1015 | VERIFY_RR_MODE(stuff->mode, mode, DixSetAttrAccess); |
| 1016 | if (numOutputs == 0) |
| 1017 | return BadMatch; |
| 1018 | } |
| 1019 | if (numOutputs) { |
| 1020 | outputs = malloc(numOutputs * sizeof(RROutputPtr)); |
| 1021 | if (!outputs) |
| 1022 | return BadAlloc; |
| 1023 | } |
| 1024 | else |
| 1025 | outputs = NULL; |
| 1026 | |
| 1027 | outputIds = (RROutput *) (stuff + 1); |
| 1028 | for (i = 0; i < numOutputs; i++) { |
| 1029 | ret = dixLookupResourceByType((pointer *) (outputs + i), outputIds[i], |
| 1030 | RROutputType, client, DixSetAttrAccess); |
| 1031 | if (ret != Success) { |
| 1032 | free(outputs); |
| 1033 | return ret; |
| 1034 | } |
| 1035 | /* validate crtc for this output */ |
| 1036 | for (j = 0; j < outputs[i]->numCrtcs; j++) |
| 1037 | if (outputs[i]->crtcs[j] == crtc) |
| 1038 | break; |
| 1039 | if (j == outputs[i]->numCrtcs) { |
| 1040 | free(outputs); |
| 1041 | return BadMatch; |
| 1042 | } |
| 1043 | /* validate mode for this output */ |
| 1044 | for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++) { |
| 1045 | RRModePtr m = (j < outputs[i]->numModes ? |
| 1046 | outputs[i]->modes[j] : |
| 1047 | outputs[i]->userModes[j - outputs[i]->numModes]); |
| 1048 | if (m == mode) |
| 1049 | break; |
| 1050 | } |
| 1051 | if (j == outputs[i]->numModes + outputs[i]->numUserModes) { |
| 1052 | free(outputs); |
| 1053 | return BadMatch; |
| 1054 | } |
| 1055 | } |
| 1056 | /* validate clones */ |
| 1057 | for (i = 0; i < numOutputs; i++) { |
| 1058 | for (j = 0; j < numOutputs; j++) { |
| 1059 | int k; |
| 1060 | |
| 1061 | if (i == j) |
| 1062 | continue; |
| 1063 | for (k = 0; k < outputs[i]->numClones; k++) { |
| 1064 | if (outputs[i]->clones[k] == outputs[j]) |
| 1065 | break; |
| 1066 | } |
| 1067 | if (k == outputs[i]->numClones) { |
| 1068 | free(outputs); |
| 1069 | return BadMatch; |
| 1070 | } |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | pScreen = crtc->pScreen; |
| 1075 | pScrPriv = rrGetScrPriv(pScreen); |
| 1076 | |
| 1077 | time = ClientTimeToServerTime(stuff->timestamp); |
| 1078 | |
| 1079 | if (!pScrPriv) { |
| 1080 | time = currentTime; |
| 1081 | status = RRSetConfigFailed; |
| 1082 | goto sendReply; |
| 1083 | } |
| 1084 | |
| 1085 | /* |
| 1086 | * Validate requested rotation |
| 1087 | */ |
| 1088 | rotation = (Rotation) stuff->rotation; |
| 1089 | |
| 1090 | /* test the rotation bits only! */ |
| 1091 | switch (rotation & 0xf) { |
| 1092 | case RR_Rotate_0: |
| 1093 | case RR_Rotate_90: |
| 1094 | case RR_Rotate_180: |
| 1095 | case RR_Rotate_270: |
| 1096 | break; |
| 1097 | default: |
| 1098 | /* |
| 1099 | * Invalid rotation |
| 1100 | */ |
| 1101 | client->errorValue = stuff->rotation; |
| 1102 | free(outputs); |
| 1103 | return BadValue; |
| 1104 | } |
| 1105 | |
| 1106 | if (mode) { |
| 1107 | if ((~crtc->rotations) & rotation) { |
| 1108 | /* |
| 1109 | * requested rotation or reflection not supported by screen |
| 1110 | */ |
| 1111 | client->errorValue = stuff->rotation; |
| 1112 | free(outputs); |
| 1113 | return BadMatch; |
| 1114 | } |
| 1115 | |
| 1116 | #ifdef RANDR_12_INTERFACE |
| 1117 | /* |
| 1118 | * Check screen size bounds if the DDX provides a 1.2 interface |
| 1119 | * for setting screen size. Else, assume the CrtcSet sets |
| 1120 | * the size along with the mode. If the driver supports transforms, |
| 1121 | * then it must allow crtcs to display a subset of the screen, so |
| 1122 | * only do this check for drivers without transform support. |
| 1123 | */ |
| 1124 | if (pScrPriv->rrScreenSetSize && !crtc->transforms) { |
| 1125 | int source_width; |
| 1126 | int source_height; |
| 1127 | PictTransform transform; |
| 1128 | struct pixman_f_transform f_transform, f_inverse; |
| 1129 | int width, height; |
| 1130 | |
| 1131 | if (pScreen->isGPU) { |
| 1132 | width = pScreen->current_master->width; |
| 1133 | height = pScreen->current_master->height; |
| 1134 | } |
| 1135 | else { |
| 1136 | width = pScreen->width; |
| 1137 | height = pScreen->height; |
| 1138 | } |
| 1139 | |
| 1140 | RRTransformCompute(stuff->x, stuff->y, |
| 1141 | mode->mode.width, mode->mode.height, |
| 1142 | rotation, |
| 1143 | &crtc->client_pending_transform, |
| 1144 | &transform, &f_transform, &f_inverse); |
| 1145 | |
| 1146 | RRModeGetScanoutSize(mode, &transform, &source_width, |
| 1147 | &source_height); |
| 1148 | if (stuff->x + source_width > width) { |
| 1149 | client->errorValue = stuff->x; |
| 1150 | free(outputs); |
| 1151 | return BadValue; |
| 1152 | } |
| 1153 | |
| 1154 | if (stuff->y + source_height > height) { |
| 1155 | client->errorValue = stuff->y; |
| 1156 | free(outputs); |
| 1157 | return BadValue; |
| 1158 | } |
| 1159 | } |
| 1160 | #endif |
| 1161 | } |
| 1162 | |
| 1163 | if (!RRCrtcSet(crtc, mode, stuff->x, stuff->y, |
| 1164 | rotation, numOutputs, outputs)) { |
| 1165 | status = RRSetConfigFailed; |
| 1166 | goto sendReply; |
| 1167 | } |
| 1168 | status = RRSetConfigSuccess; |
| 1169 | pScrPriv->lastSetTime = time; |
| 1170 | |
| 1171 | sendReply: |
| 1172 | free(outputs); |
| 1173 | |
| 1174 | rep = (xRRSetCrtcConfigReply) { |
| 1175 | .type = X_Reply, |
| 1176 | .status = status, |
| 1177 | .sequenceNumber = client->sequence, |
| 1178 | .length = 0, |
| 1179 | .newTimestamp = pScrPriv->lastSetTime.milliseconds |
| 1180 | }; |
| 1181 | |
| 1182 | if (client->swapped) { |
| 1183 | swaps(&rep.sequenceNumber); |
| 1184 | swapl(&rep.length); |
| 1185 | swapl(&rep.newTimestamp); |
| 1186 | } |
| 1187 | WriteToClient(client, sizeof(xRRSetCrtcConfigReply), &rep); |
| 1188 | |
| 1189 | return Success; |
| 1190 | } |
| 1191 | |
| 1192 | int |
| 1193 | ProcRRGetPanning(ClientPtr client) |
| 1194 | { |
| 1195 | REQUEST(xRRGetPanningReq); |
| 1196 | xRRGetPanningReply rep; |
| 1197 | RRCrtcPtr crtc; |
| 1198 | ScreenPtr pScreen; |
| 1199 | rrScrPrivPtr pScrPriv; |
| 1200 | BoxRec total; |
| 1201 | BoxRec tracking; |
| 1202 | INT16 border[4]; |
| 1203 | |
| 1204 | REQUEST_SIZE_MATCH(xRRGetPanningReq); |
| 1205 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1206 | |
| 1207 | /* All crtcs must be associated with screens before client |
| 1208 | * requests are processed |
| 1209 | */ |
| 1210 | pScreen = crtc->pScreen; |
| 1211 | pScrPriv = rrGetScrPriv(pScreen); |
| 1212 | |
| 1213 | if (!pScrPriv) |
| 1214 | return RRErrorBase + BadRRCrtc; |
| 1215 | |
| 1216 | rep = (xRRGetPanningReply) { |
| 1217 | .type = X_Reply, |
| 1218 | .status = RRSetConfigSuccess, |
| 1219 | .sequenceNumber = client->sequence, |
| 1220 | .length = 1, |
| 1221 | .timestamp = pScrPriv->lastSetTime.milliseconds |
| 1222 | }; |
| 1223 | |
| 1224 | if (pScrPriv->rrGetPanning && |
| 1225 | pScrPriv->rrGetPanning(pScreen, crtc, &total, &tracking, border)) { |
| 1226 | rep.left = total.x1; |
| 1227 | rep.top = total.y1; |
| 1228 | rep.width = total.x2 - total.x1; |
| 1229 | rep.height = total.y2 - total.y1; |
| 1230 | rep.track_left = tracking.x1; |
| 1231 | rep.track_top = tracking.y1; |
| 1232 | rep.track_width = tracking.x2 - tracking.x1; |
| 1233 | rep.track_height = tracking.y2 - tracking.y1; |
| 1234 | rep.border_left = border[0]; |
| 1235 | rep.border_top = border[1]; |
| 1236 | rep.border_right = border[2]; |
| 1237 | rep.border_bottom = border[3]; |
| 1238 | } |
| 1239 | |
| 1240 | if (client->swapped) { |
| 1241 | swaps(&rep.sequenceNumber); |
| 1242 | swapl(&rep.length); |
| 1243 | swapl(&rep.timestamp); |
| 1244 | swaps(&rep.left); |
| 1245 | swaps(&rep.top); |
| 1246 | swaps(&rep.width); |
| 1247 | swaps(&rep.height); |
| 1248 | swaps(&rep.track_left); |
| 1249 | swaps(&rep.track_top); |
| 1250 | swaps(&rep.track_width); |
| 1251 | swaps(&rep.track_height); |
| 1252 | swaps(&rep.border_left); |
| 1253 | swaps(&rep.border_top); |
| 1254 | swaps(&rep.border_right); |
| 1255 | swaps(&rep.border_bottom); |
| 1256 | } |
| 1257 | WriteToClient(client, sizeof(xRRGetPanningReply), &rep); |
| 1258 | return Success; |
| 1259 | } |
| 1260 | |
| 1261 | int |
| 1262 | ProcRRSetPanning(ClientPtr client) |
| 1263 | { |
| 1264 | REQUEST(xRRSetPanningReq); |
| 1265 | xRRSetPanningReply rep; |
| 1266 | RRCrtcPtr crtc; |
| 1267 | ScreenPtr pScreen; |
| 1268 | rrScrPrivPtr pScrPriv; |
| 1269 | TimeStamp time; |
| 1270 | BoxRec total; |
| 1271 | BoxRec tracking; |
| 1272 | INT16 border[4]; |
| 1273 | CARD8 status; |
| 1274 | |
| 1275 | REQUEST_SIZE_MATCH(xRRSetPanningReq); |
| 1276 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1277 | |
| 1278 | /* All crtcs must be associated with screens before client |
| 1279 | * requests are processed |
| 1280 | */ |
| 1281 | pScreen = crtc->pScreen; |
| 1282 | pScrPriv = rrGetScrPriv(pScreen); |
| 1283 | |
| 1284 | if (!pScrPriv) { |
| 1285 | time = currentTime; |
| 1286 | status = RRSetConfigFailed; |
| 1287 | goto sendReply; |
| 1288 | } |
| 1289 | |
| 1290 | time = ClientTimeToServerTime(stuff->timestamp); |
| 1291 | |
| 1292 | if (!pScrPriv->rrGetPanning) |
| 1293 | return RRErrorBase + BadRRCrtc; |
| 1294 | |
| 1295 | total.x1 = stuff->left; |
| 1296 | total.y1 = stuff->top; |
| 1297 | total.x2 = total.x1 + stuff->width; |
| 1298 | total.y2 = total.y1 + stuff->height; |
| 1299 | tracking.x1 = stuff->track_left; |
| 1300 | tracking.y1 = stuff->track_top; |
| 1301 | tracking.x2 = tracking.x1 + stuff->track_width; |
| 1302 | tracking.y2 = tracking.y1 + stuff->track_height; |
| 1303 | border[0] = stuff->border_left; |
| 1304 | border[1] = stuff->border_top; |
| 1305 | border[2] = stuff->border_right; |
| 1306 | border[3] = stuff->border_bottom; |
| 1307 | |
| 1308 | if (!pScrPriv->rrSetPanning(pScreen, crtc, &total, &tracking, border)) |
| 1309 | return BadMatch; |
| 1310 | |
| 1311 | pScrPriv->lastSetTime = time; |
| 1312 | |
| 1313 | status = RRSetConfigSuccess; |
| 1314 | |
| 1315 | sendReply: |
| 1316 | rep = (xRRSetPanningReply) { |
| 1317 | .type = X_Reply, |
| 1318 | .status = status, |
| 1319 | .sequenceNumber = client->sequence, |
| 1320 | .length = 0, |
| 1321 | .newTimestamp = pScrPriv->lastSetTime.milliseconds |
| 1322 | }; |
| 1323 | |
| 1324 | if (client->swapped) { |
| 1325 | swaps(&rep.sequenceNumber); |
| 1326 | swapl(&rep.length); |
| 1327 | swapl(&rep.newTimestamp); |
| 1328 | } |
| 1329 | WriteToClient(client, sizeof(xRRSetPanningReply), &rep); |
| 1330 | return Success; |
| 1331 | } |
| 1332 | |
| 1333 | int |
| 1334 | ProcRRGetCrtcGammaSize(ClientPtr client) |
| 1335 | { |
| 1336 | REQUEST(xRRGetCrtcGammaSizeReq); |
| 1337 | xRRGetCrtcGammaSizeReply reply; |
| 1338 | RRCrtcPtr crtc; |
| 1339 | |
| 1340 | REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq); |
| 1341 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1342 | |
| 1343 | /* Gamma retrieval failed, any better error? */ |
| 1344 | if (!RRCrtcGammaGet(crtc)) |
| 1345 | return RRErrorBase + BadRRCrtc; |
| 1346 | |
| 1347 | reply = (xRRGetCrtcGammaSizeReply) { |
| 1348 | .type = X_Reply, |
| 1349 | .sequenceNumber = client->sequence, |
| 1350 | .length = 0, |
| 1351 | .size = crtc->gammaSize |
| 1352 | }; |
| 1353 | if (client->swapped) { |
| 1354 | swaps(&reply.sequenceNumber); |
| 1355 | swapl(&reply.length); |
| 1356 | swaps(&reply.size); |
| 1357 | } |
| 1358 | WriteToClient(client, sizeof(xRRGetCrtcGammaSizeReply), &reply); |
| 1359 | return Success; |
| 1360 | } |
| 1361 | |
| 1362 | int |
| 1363 | ProcRRGetCrtcGamma(ClientPtr client) |
| 1364 | { |
| 1365 | REQUEST(xRRGetCrtcGammaReq); |
| 1366 | xRRGetCrtcGammaReply reply; |
| 1367 | RRCrtcPtr crtc; |
| 1368 | unsigned long len; |
| 1369 | char *extra = NULL; |
| 1370 | |
| 1371 | REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq); |
| 1372 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1373 | |
| 1374 | /* Gamma retrieval failed, any better error? */ |
| 1375 | if (!RRCrtcGammaGet(crtc)) |
| 1376 | return RRErrorBase + BadRRCrtc; |
| 1377 | |
| 1378 | len = crtc->gammaSize * 3 * 2; |
| 1379 | |
| 1380 | if (crtc->gammaSize) { |
| 1381 | extra = malloc(len); |
| 1382 | if (!extra) |
| 1383 | return BadAlloc; |
| 1384 | } |
| 1385 | |
| 1386 | reply = (xRRGetCrtcGammaReply) { |
| 1387 | .type = X_Reply, |
| 1388 | .sequenceNumber = client->sequence, |
| 1389 | .length = bytes_to_int32(len), |
| 1390 | .size = crtc->gammaSize |
| 1391 | }; |
| 1392 | if (client->swapped) { |
| 1393 | swaps(&reply.sequenceNumber); |
| 1394 | swapl(&reply.length); |
| 1395 | swaps(&reply.size); |
| 1396 | } |
| 1397 | WriteToClient(client, sizeof(xRRGetCrtcGammaReply), &reply); |
| 1398 | if (crtc->gammaSize) { |
| 1399 | memcpy(extra, crtc->gammaRed, len); |
| 1400 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap16Write; |
| 1401 | WriteSwappedDataToClient(client, len, extra); |
| 1402 | free(extra); |
| 1403 | } |
| 1404 | return Success; |
| 1405 | } |
| 1406 | |
| 1407 | int |
| 1408 | ProcRRSetCrtcGamma(ClientPtr client) |
| 1409 | { |
| 1410 | REQUEST(xRRSetCrtcGammaReq); |
| 1411 | RRCrtcPtr crtc; |
| 1412 | unsigned long len; |
| 1413 | CARD16 *red, *green, *blue; |
| 1414 | |
| 1415 | REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq); |
| 1416 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1417 | |
| 1418 | len = client->req_len - bytes_to_int32(sizeof(xRRSetCrtcGammaReq)); |
| 1419 | if (len < (stuff->size * 3 + 1) >> 1) |
| 1420 | return BadLength; |
| 1421 | |
| 1422 | if (stuff->size != crtc->gammaSize) |
| 1423 | return BadMatch; |
| 1424 | |
| 1425 | red = (CARD16 *) (stuff + 1); |
| 1426 | green = red + crtc->gammaSize; |
| 1427 | blue = green + crtc->gammaSize; |
| 1428 | |
| 1429 | RRCrtcGammaSet(crtc, red, green, blue); |
| 1430 | |
| 1431 | return Success; |
| 1432 | } |
| 1433 | |
| 1434 | /* Version 1.3 additions */ |
| 1435 | |
| 1436 | int |
| 1437 | ProcRRSetCrtcTransform(ClientPtr client) |
| 1438 | { |
| 1439 | REQUEST(xRRSetCrtcTransformReq); |
| 1440 | RRCrtcPtr crtc; |
| 1441 | PictTransform transform; |
| 1442 | struct pixman_f_transform f_transform, f_inverse; |
| 1443 | char *filter; |
| 1444 | int nbytes; |
| 1445 | xFixed *params; |
| 1446 | int nparams; |
| 1447 | |
| 1448 | REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq); |
| 1449 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1450 | |
| 1451 | PictTransform_from_xRenderTransform(&transform, &stuff->transform); |
| 1452 | pixman_f_transform_from_pixman_transform(&f_transform, &transform); |
| 1453 | if (!pixman_f_transform_invert(&f_inverse, &f_transform)) |
| 1454 | return BadMatch; |
| 1455 | |
| 1456 | filter = (char *) (stuff + 1); |
| 1457 | nbytes = stuff->nbytesFilter; |
| 1458 | params = (xFixed *) (filter + pad_to_int32(nbytes)); |
| 1459 | nparams = ((xFixed *) stuff + client->req_len) - params; |
| 1460 | if (nparams < 0) |
| 1461 | return BadLength; |
| 1462 | |
| 1463 | return RRCrtcTransformSet(crtc, &transform, &f_transform, &f_inverse, |
| 1464 | filter, nbytes, params, nparams); |
| 1465 | } |
| 1466 | |
| 1467 | #define CrtcTransformExtra (SIZEOF(xRRGetCrtcTransformReply) - 32) |
| 1468 | |
| 1469 | static int |
| 1470 | transform_filter_length(RRTransformPtr transform) |
| 1471 | { |
| 1472 | int nbytes, nparams; |
| 1473 | |
| 1474 | if (transform->filter == NULL) |
| 1475 | return 0; |
| 1476 | nbytes = strlen(transform->filter->name); |
| 1477 | nparams = transform->nparams; |
| 1478 | return pad_to_int32(nbytes) + (nparams * sizeof(xFixed)); |
| 1479 | } |
| 1480 | |
| 1481 | static int |
| 1482 | transform_filter_encode(ClientPtr client, char *output, |
| 1483 | CARD16 *nbytesFilter, |
| 1484 | CARD16 *nparamsFilter, RRTransformPtr transform) |
| 1485 | { |
| 1486 | int nbytes, nparams; |
| 1487 | |
| 1488 | if (transform->filter == NULL) { |
| 1489 | *nbytesFilter = 0; |
| 1490 | *nparamsFilter = 0; |
| 1491 | return 0; |
| 1492 | } |
| 1493 | nbytes = strlen(transform->filter->name); |
| 1494 | nparams = transform->nparams; |
| 1495 | *nbytesFilter = nbytes; |
| 1496 | *nparamsFilter = nparams; |
| 1497 | memcpy(output, transform->filter->name, nbytes); |
| 1498 | while ((nbytes & 3) != 0) |
| 1499 | output[nbytes++] = 0; |
| 1500 | memcpy(output + nbytes, transform->params, nparams * sizeof(xFixed)); |
| 1501 | if (client->swapped) { |
| 1502 | swaps(nbytesFilter); |
| 1503 | swaps(nparamsFilter); |
| 1504 | SwapLongs((CARD32 *) (output + nbytes), nparams); |
| 1505 | } |
| 1506 | nbytes += nparams * sizeof(xFixed); |
| 1507 | return nbytes; |
| 1508 | } |
| 1509 | |
| 1510 | static void |
| 1511 | transform_encode(ClientPtr client, xRenderTransform * wire, |
| 1512 | PictTransform * pict) |
| 1513 | { |
| 1514 | xRenderTransform_from_PictTransform(wire, pict); |
| 1515 | if (client->swapped) |
| 1516 | SwapLongs((CARD32 *) wire, bytes_to_int32(sizeof(xRenderTransform))); |
| 1517 | } |
| 1518 | |
| 1519 | int |
| 1520 | ProcRRGetCrtcTransform(ClientPtr client) |
| 1521 | { |
| 1522 | REQUEST(xRRGetCrtcTransformReq); |
| 1523 | xRRGetCrtcTransformReply *reply; |
| 1524 | RRCrtcPtr crtc; |
| 1525 | int nextra; |
| 1526 | RRTransformPtr current, pending; |
| 1527 | char *extra; |
| 1528 | |
| 1529 | REQUEST_SIZE_MATCH(xRRGetCrtcTransformReq); |
| 1530 | VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); |
| 1531 | |
| 1532 | pending = &crtc->client_pending_transform; |
| 1533 | current = &crtc->client_current_transform; |
| 1534 | |
| 1535 | nextra = (transform_filter_length(pending) + |
| 1536 | transform_filter_length(current)); |
| 1537 | |
| 1538 | reply = calloc(1, sizeof(xRRGetCrtcTransformReply) + nextra); |
| 1539 | if (!reply) |
| 1540 | return BadAlloc; |
| 1541 | |
| 1542 | extra = (char *) (reply + 1); |
| 1543 | reply->type = X_Reply; |
| 1544 | reply->sequenceNumber = client->sequence; |
| 1545 | reply->length = bytes_to_int32(CrtcTransformExtra + nextra); |
| 1546 | |
| 1547 | reply->hasTransforms = crtc->transforms; |
| 1548 | |
| 1549 | transform_encode(client, &reply->pendingTransform, &pending->transform); |
| 1550 | extra += transform_filter_encode(client, extra, |
| 1551 | &reply->pendingNbytesFilter, |
| 1552 | &reply->pendingNparamsFilter, pending); |
| 1553 | |
| 1554 | transform_encode(client, &reply->currentTransform, ¤t->transform); |
| 1555 | extra += transform_filter_encode(client, extra, |
| 1556 | &reply->currentNbytesFilter, |
| 1557 | &reply->currentNparamsFilter, current); |
| 1558 | |
| 1559 | if (client->swapped) { |
| 1560 | swaps(&reply->sequenceNumber); |
| 1561 | swapl(&reply->length); |
| 1562 | } |
| 1563 | WriteToClient(client, sizeof(xRRGetCrtcTransformReply) + nextra, reply); |
| 1564 | free(reply); |
| 1565 | return Success; |
| 1566 | } |
| 1567 | |
| 1568 | static Bool check_all_screen_crtcs(ScreenPtr pScreen, int *x, int *y) |
| 1569 | { |
| 1570 | rrScrPriv(pScreen); |
| 1571 | int i; |
| 1572 | for (i = 0; i < pScrPriv->numCrtcs; i++) { |
| 1573 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; |
| 1574 | |
| 1575 | int left, right, top, bottom; |
| 1576 | |
| 1577 | if (!crtc->mode) |
| 1578 | continue; |
| 1579 | |
| 1580 | crtc_bounds(crtc, &left, &right, &top, &bottom); |
| 1581 | |
| 1582 | if ((*x >= left) && (*x < right) && (*y >= top) && (*y < bottom)) |
| 1583 | return TRUE; |
| 1584 | } |
| 1585 | return FALSE; |
| 1586 | } |
| 1587 | |
| 1588 | static Bool constrain_all_screen_crtcs(DeviceIntPtr pDev, ScreenPtr pScreen, int *x, int *y) |
| 1589 | { |
| 1590 | rrScrPriv(pScreen); |
| 1591 | int i; |
| 1592 | |
| 1593 | /* if we're trying to escape, clamp to the CRTC we're coming from */ |
| 1594 | for (i = 0; i < pScrPriv->numCrtcs; i++) { |
| 1595 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; |
| 1596 | int nx, ny; |
| 1597 | int left, right, top, bottom; |
| 1598 | |
| 1599 | if (!crtc->mode) |
| 1600 | continue; |
| 1601 | |
| 1602 | crtc_bounds(crtc, &left, &right, &top, &bottom); |
| 1603 | miPointerGetPosition(pDev, &nx, &ny); |
| 1604 | |
| 1605 | if ((nx >= left) && (nx < right) && (ny >= top) && (ny < bottom)) { |
| 1606 | if (*x < left) |
| 1607 | *x = left; |
| 1608 | if (*x >= right) |
| 1609 | *x = right - 1; |
| 1610 | if (*y < top) |
| 1611 | *y = top; |
| 1612 | if (*y >= bottom) |
| 1613 | *y = bottom - 1; |
| 1614 | |
| 1615 | return TRUE; |
| 1616 | } |
| 1617 | } |
| 1618 | return FALSE; |
| 1619 | } |
| 1620 | |
| 1621 | void |
| 1622 | RRConstrainCursorHarder(DeviceIntPtr pDev, ScreenPtr pScreen, int mode, int *x, |
| 1623 | int *y) |
| 1624 | { |
| 1625 | rrScrPriv(pScreen); |
| 1626 | Bool ret; |
| 1627 | ScreenPtr slave; |
| 1628 | |
| 1629 | /* intentional dead space -> let it float */ |
| 1630 | if (pScrPriv->discontiguous) |
| 1631 | return; |
| 1632 | |
| 1633 | /* if we're moving inside a crtc, we're fine */ |
| 1634 | ret = check_all_screen_crtcs(pScreen, x, y); |
| 1635 | if (ret == TRUE) |
| 1636 | return; |
| 1637 | |
| 1638 | xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head) { |
| 1639 | ret = check_all_screen_crtcs(slave, x, y); |
| 1640 | if (ret == TRUE) |
| 1641 | return; |
| 1642 | } |
| 1643 | |
| 1644 | /* if we're trying to escape, clamp to the CRTC we're coming from */ |
| 1645 | ret = constrain_all_screen_crtcs(pDev, pScreen, x, y); |
| 1646 | if (ret == TRUE) |
| 1647 | return; |
| 1648 | |
| 1649 | xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head) { |
| 1650 | ret = constrain_all_screen_crtcs(pDev, slave, x, y); |
| 1651 | if (ret == TRUE) |
| 1652 | return; |
| 1653 | } |
| 1654 | } |
| 1655 | |
| 1656 | Bool |
| 1657 | RRReplaceScanoutPixmap(DrawablePtr pDrawable, PixmapPtr pPixmap, Bool enable) |
| 1658 | { |
| 1659 | rrScrPriv(pDrawable->pScreen); |
| 1660 | int i; |
| 1661 | Bool size_fits = FALSE; |
| 1662 | Bool changed = FALSE; |
| 1663 | Bool ret = TRUE; |
| 1664 | |
| 1665 | for (i = 0; i < pScrPriv->numCrtcs; i++) { |
| 1666 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; |
| 1667 | |
| 1668 | if (!crtc->mode && enable) |
| 1669 | continue; |
| 1670 | |
| 1671 | changed = FALSE; |
| 1672 | if (crtc->mode && crtc->x == pDrawable->x && |
| 1673 | crtc->y == pDrawable->y && |
| 1674 | crtc->mode->mode.width == pDrawable->width && |
| 1675 | crtc->mode->mode.height == pDrawable->height) |
| 1676 | size_fits = TRUE; |
| 1677 | |
| 1678 | /* is the pixmap already set? */ |
| 1679 | if (crtc->scanout_pixmap == pPixmap) { |
| 1680 | /* if its a disable then don't care about size */ |
| 1681 | if (enable == FALSE) { |
| 1682 | /* set scanout to NULL */ |
| 1683 | crtc->scanout_pixmap = NULL; |
| 1684 | changed = TRUE; |
| 1685 | } else { |
| 1686 | /* if the size fits then we are already setup */ |
| 1687 | if (size_fits) |
| 1688 | return TRUE; |
| 1689 | /* if the size no longer fits then drop off */ |
| 1690 | crtc->scanout_pixmap = NULL; |
| 1691 | changed = TRUE; |
| 1692 | ret = FALSE; |
| 1693 | } |
| 1694 | } else { |
| 1695 | if (!size_fits) |
| 1696 | return FALSE; |
| 1697 | if (enable) { |
| 1698 | crtc->scanout_pixmap = pPixmap; |
| 1699 | pScrPriv->rrCrtcSetScanoutPixmap(crtc, pPixmap); |
| 1700 | changed = TRUE; |
| 1701 | } |
| 1702 | } |
| 1703 | |
| 1704 | if (changed && pScrPriv->rrCrtcSet) { |
| 1705 | pScrPriv->rrCrtcSetScanoutPixmap(crtc, crtc->scanout_pixmap); |
| 1706 | |
| 1707 | (*pScrPriv->rrCrtcSet) (pDrawable->pScreen, crtc, crtc->mode, crtc->x, crtc->y, |
| 1708 | crtc->rotation, crtc->numOutputs, crtc->outputs); |
| 1709 | } |
| 1710 | } |
| 1711 | return ret; |
| 1712 | } |