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