File: | randr/rrcrtc.c |
Location: | line 1346, column 9 |
Description: | Value stored to 'time' is never read |
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; |
Value stored to 'time' is never read | |
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 | } |