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a09e091a JB |
1 | /* |
2 | * Copyright © 2006 Keith Packard | |
3 | * | |
4 | * Permission to use, copy, modify, distribute, and sell this software and its | |
5 | * documentation for any purpose is hereby granted without fee, provided that | |
6 | * the above copyright notice appear in all copies and that both that copyright | |
7 | * notice and this permission notice appear in supporting documentation, and | |
8 | * that the name of the copyright holders not be used in advertising or | |
9 | * publicity pertaining to distribution of the software without specific, | |
10 | * written prior permission. The copyright holders make no representations | |
11 | * about the suitability of this software for any purpose. It is provided "as | |
12 | * is" without express or implied warranty. | |
13 | * | |
14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
20 | * OF THIS SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include "randrstr.h" | |
24 | ||
25 | static CARD16 | |
26 | RR10CurrentSizeID(ScreenPtr pScreen); | |
27 | ||
28 | /* | |
29 | * Edit connection information block so that new clients | |
30 | * see the current screen size on connect | |
31 | */ | |
32 | static void | |
33 | RREditConnectionInfo(ScreenPtr pScreen) | |
34 | { | |
35 | xConnSetup *connSetup; | |
36 | char *vendor; | |
37 | xPixmapFormat *formats; | |
38 | xWindowRoot *root; | |
39 | xDepth *depth; | |
40 | xVisualType *visual; | |
41 | int screen = 0; | |
42 | int d; | |
43 | ||
44 | connSetup = (xConnSetup *) ConnectionInfo; | |
45 | vendor = (char *) connSetup + sizeof(xConnSetup); | |
46 | formats = (xPixmapFormat *) ((char *) vendor + | |
47 | pad_to_int32(connSetup->nbytesVendor)); | |
48 | root = (xWindowRoot *) ((char *) formats + | |
49 | sizeof(xPixmapFormat) * | |
50 | screenInfo.numPixmapFormats); | |
51 | while (screen != pScreen->myNum) { | |
52 | depth = (xDepth *) ((char *) root + sizeof(xWindowRoot)); | |
53 | for (d = 0; d < root->nDepths; d++) { | |
54 | visual = (xVisualType *) ((char *) depth + sizeof(xDepth)); | |
55 | depth = (xDepth *) ((char *) visual + | |
56 | depth->nVisuals * sizeof(xVisualType)); | |
57 | } | |
58 | root = (xWindowRoot *) ((char *) depth); | |
59 | screen++; | |
60 | } | |
61 | root->pixWidth = pScreen->width; | |
62 | root->pixHeight = pScreen->height; | |
63 | root->mmWidth = pScreen->mmWidth; | |
64 | root->mmHeight = pScreen->mmHeight; | |
65 | } | |
66 | ||
67 | void | |
68 | RRSendConfigNotify(ScreenPtr pScreen) | |
69 | { | |
70 | WindowPtr pWin = pScreen->root; | |
71 | xEvent event = { | |
72 | .u.configureNotify.window = pWin->drawable.id, | |
73 | .u.configureNotify.aboveSibling = None, | |
74 | .u.configureNotify.x = 0, | |
75 | .u.configureNotify.y = 0, | |
76 | ||
77 | /* XXX xinerama stuff ? */ | |
78 | ||
79 | .u.configureNotify.width = pWin->drawable.width, | |
80 | .u.configureNotify.height = pWin->drawable.height, | |
81 | .u.configureNotify.borderWidth = wBorderWidth(pWin), | |
82 | .u.configureNotify.override = pWin->overrideRedirect | |
83 | }; | |
84 | event.u.u.type = ConfigureNotify; | |
85 | DeliverEvents(pWin, &event, 1, NullWindow); | |
86 | } | |
87 | ||
88 | void | |
89 | RRDeliverScreenEvent(ClientPtr client, WindowPtr pWin, ScreenPtr pScreen) | |
90 | { | |
91 | rrScrPriv(pScreen); | |
92 | RRCrtcPtr crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL; | |
93 | WindowPtr pRoot = pScreen->root; | |
94 | ||
95 | xRRScreenChangeNotifyEvent se = { | |
96 | .type = RRScreenChangeNotify + RREventBase, | |
97 | .rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0), | |
98 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |
99 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |
100 | .root = pRoot->drawable.id, | |
101 | .window = pWin->drawable.id, | |
102 | .subpixelOrder = PictureGetSubpixelOrder(pScreen), | |
103 | ||
104 | .sizeID = RR10CurrentSizeID(pScreen) | |
105 | }; | |
106 | ||
107 | if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) { | |
108 | se.widthInPixels = pScreen->height; | |
109 | se.heightInPixels = pScreen->width; | |
110 | se.widthInMillimeters = pScreen->mmHeight; | |
111 | se.heightInMillimeters = pScreen->mmWidth; | |
112 | } | |
113 | else { | |
114 | se.widthInPixels = pScreen->width; | |
115 | se.heightInPixels = pScreen->height; | |
116 | se.widthInMillimeters = pScreen->mmWidth; | |
117 | se.heightInMillimeters = pScreen->mmHeight; | |
118 | } | |
119 | ||
120 | WriteEventsToClient(client, 1, (xEvent *) &se); | |
121 | } | |
122 | ||
123 | /* | |
124 | * Notify the extension that the screen size has been changed. | |
125 | * The driver is responsible for calling this whenever it has changed | |
126 | * the size of the screen | |
127 | */ | |
128 | void | |
129 | RRScreenSizeNotify(ScreenPtr pScreen) | |
130 | { | |
131 | rrScrPriv(pScreen); | |
132 | /* | |
133 | * Deliver ConfigureNotify events when root changes | |
134 | * pixel size | |
135 | */ | |
136 | if (pScrPriv->width == pScreen->width && | |
137 | pScrPriv->height == pScreen->height && | |
138 | pScrPriv->mmWidth == pScreen->mmWidth && | |
139 | pScrPriv->mmHeight == pScreen->mmHeight) | |
140 | return; | |
141 | ||
142 | pScrPriv->width = pScreen->width; | |
143 | pScrPriv->height = pScreen->height; | |
144 | pScrPriv->mmWidth = pScreen->mmWidth; | |
145 | pScrPriv->mmHeight = pScreen->mmHeight; | |
146 | RRSetChanged(pScreen); | |
147 | /* pScrPriv->sizeChanged = TRUE; */ | |
148 | ||
149 | RRTellChanged(pScreen); | |
150 | RRSendConfigNotify(pScreen); | |
151 | RREditConnectionInfo(pScreen); | |
152 | ||
153 | RRPointerScreenConfigured(pScreen); | |
154 | /* | |
155 | * Fix pointer bounds and location | |
156 | */ | |
157 | ScreenRestructured(pScreen); | |
158 | } | |
159 | ||
160 | /* | |
161 | * Request that the screen be resized | |
162 | */ | |
163 | Bool | |
164 | RRScreenSizeSet(ScreenPtr pScreen, | |
165 | CARD16 width, CARD16 height, CARD32 mmWidth, CARD32 mmHeight) | |
166 | { | |
167 | rrScrPriv(pScreen); | |
168 | ||
169 | #if RANDR_12_INTERFACE | |
170 | if (pScrPriv->rrScreenSetSize) { | |
171 | return (*pScrPriv->rrScreenSetSize) (pScreen, | |
172 | width, height, mmWidth, mmHeight); | |
173 | } | |
174 | #endif | |
175 | #if RANDR_10_INTERFACE | |
176 | if (pScrPriv->rrSetConfig) { | |
177 | return TRUE; /* can't set size separately */ | |
178 | } | |
179 | #endif | |
180 | return FALSE; | |
181 | } | |
182 | ||
183 | /* | |
184 | * Retrieve valid screen size range | |
185 | */ | |
186 | int | |
187 | ProcRRGetScreenSizeRange(ClientPtr client) | |
188 | { | |
189 | REQUEST(xRRGetScreenSizeRangeReq); | |
190 | xRRGetScreenSizeRangeReply rep; | |
191 | WindowPtr pWin; | |
192 | ScreenPtr pScreen; | |
193 | rrScrPrivPtr pScrPriv; | |
194 | int rc; | |
195 | ||
196 | REQUEST_SIZE_MATCH(xRRGetScreenSizeRangeReq); | |
197 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); | |
198 | if (rc != Success) | |
199 | return rc; | |
200 | ||
201 | pScreen = pWin->drawable.pScreen; | |
202 | pScrPriv = rrGetScrPriv(pScreen); | |
203 | ||
204 | rep = (xRRGetScreenSizeRangeReply) { | |
205 | .type = X_Reply, | |
206 | .pad = 0, | |
207 | .sequenceNumber = client->sequence, | |
208 | .length = 0 | |
209 | }; | |
210 | ||
211 | if (pScrPriv) { | |
212 | if (!RRGetInfo(pScreen, FALSE)) | |
213 | return BadAlloc; | |
214 | rep.minWidth = pScrPriv->minWidth; | |
215 | rep.minHeight = pScrPriv->minHeight; | |
216 | rep.maxWidth = pScrPriv->maxWidth; | |
217 | rep.maxHeight = pScrPriv->maxHeight; | |
218 | } | |
219 | else { | |
220 | rep.maxWidth = rep.minWidth = pScreen->width; | |
221 | rep.maxHeight = rep.minHeight = pScreen->height; | |
222 | } | |
223 | if (client->swapped) { | |
224 | swaps(&rep.sequenceNumber); | |
225 | swapl(&rep.length); | |
226 | swaps(&rep.minWidth); | |
227 | swaps(&rep.minHeight); | |
228 | swaps(&rep.maxWidth); | |
229 | swaps(&rep.maxHeight); | |
230 | } | |
231 | WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), &rep); | |
232 | return Success; | |
233 | } | |
234 | ||
235 | int | |
236 | ProcRRSetScreenSize(ClientPtr client) | |
237 | { | |
238 | REQUEST(xRRSetScreenSizeReq); | |
239 | WindowPtr pWin; | |
240 | ScreenPtr pScreen; | |
241 | rrScrPrivPtr pScrPriv; | |
242 | int i, rc; | |
243 | ||
244 | REQUEST_SIZE_MATCH(xRRSetScreenSizeReq); | |
245 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); | |
246 | if (rc != Success) | |
247 | return rc; | |
248 | ||
249 | pScreen = pWin->drawable.pScreen; | |
250 | pScrPriv = rrGetScrPriv(pScreen); | |
251 | if (!pScrPriv) | |
252 | return BadMatch; | |
253 | ||
254 | if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width) { | |
255 | client->errorValue = stuff->width; | |
256 | return BadValue; | |
257 | } | |
258 | if (stuff->height < pScrPriv->minHeight || | |
259 | pScrPriv->maxHeight < stuff->height) { | |
260 | client->errorValue = stuff->height; | |
261 | return BadValue; | |
262 | } | |
263 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |
264 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; | |
265 | RRModePtr mode = crtc->mode; | |
266 | ||
267 | if (mode) { | |
268 | int source_width = mode->mode.width; | |
269 | int source_height = mode->mode.height; | |
270 | Rotation rotation = crtc->rotation; | |
271 | ||
272 | if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270) { | |
273 | source_width = mode->mode.height; | |
274 | source_height = mode->mode.width; | |
275 | } | |
276 | ||
277 | if (crtc->x + source_width > stuff->width || | |
278 | crtc->y + source_height > stuff->height) | |
279 | return BadMatch; | |
280 | } | |
281 | } | |
282 | if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0) { | |
283 | client->errorValue = 0; | |
284 | return BadValue; | |
285 | } | |
286 | if (!RRScreenSizeSet(pScreen, | |
287 | stuff->width, stuff->height, | |
288 | stuff->widthInMillimeters, | |
289 | stuff->heightInMillimeters)) { | |
290 | return BadMatch; | |
291 | } | |
292 | return Success; | |
293 | } | |
294 | ||
295 | ||
296 | #define update_totals(gpuscreen, pScrPriv) do { \ | |
297 | total_crtcs += pScrPriv->numCrtcs; \ | |
298 | total_outputs += pScrPriv->numOutputs; \ | |
299 | modes = RRModesForScreen(gpuscreen, &num_modes); \ | |
300 | if (!modes) \ | |
301 | return BadAlloc; \ | |
302 | for (j = 0; j < num_modes; j++) \ | |
303 | total_name_len += modes[j]->mode.nameLength; \ | |
304 | total_modes += num_modes; \ | |
305 | free(modes); \ | |
306 | } while(0) | |
307 | ||
308 | static inline void swap_modeinfos(xRRModeInfo *modeinfos, int i) | |
309 | { | |
310 | swapl(&modeinfos[i].id); | |
311 | swaps(&modeinfos[i].width); | |
312 | swaps(&modeinfos[i].height); | |
313 | swapl(&modeinfos[i].dotClock); | |
314 | swaps(&modeinfos[i].hSyncStart); | |
315 | swaps(&modeinfos[i].hSyncEnd); | |
316 | swaps(&modeinfos[i].hTotal); | |
317 | swaps(&modeinfos[i].hSkew); | |
318 | swaps(&modeinfos[i].vSyncStart); | |
319 | swaps(&modeinfos[i].vSyncEnd); | |
320 | swaps(&modeinfos[i].vTotal); | |
321 | swaps(&modeinfos[i].nameLength); | |
322 | swapl(&modeinfos[i].modeFlags); | |
323 | } | |
324 | ||
325 | #define update_arrays(gpuscreen, pScrPriv) do { \ | |
326 | for (j = 0; j < pScrPriv->numCrtcs; j++) { \ | |
327 | crtcs[crtc_count] = pScrPriv->crtcs[j]->id; \ | |
328 | if (client->swapped) \ | |
329 | swapl(&crtcs[crtc_count]); \ | |
330 | crtc_count++; \ | |
331 | } \ | |
332 | for (j = 0; j < pScrPriv->numOutputs; j++) { \ | |
333 | outputs[output_count] = pScrPriv->outputs[j]->id; \ | |
334 | if (client->swapped) \ | |
335 | swapl(&outputs[output_count]); \ | |
336 | output_count++; \ | |
337 | } \ | |
338 | { \ | |
339 | RRModePtr mode; \ | |
340 | modes = RRModesForScreen(gpuscreen, &num_modes); \ | |
341 | for (j = 0; j < num_modes; j++) { \ | |
342 | mode = modes[j]; \ | |
343 | modeinfos[mode_count] = mode->mode; \ | |
344 | if (client->swapped) { \ | |
345 | swap_modeinfos(modeinfos, mode_count); \ | |
346 | } \ | |
347 | memcpy(names, mode->name, mode->mode.nameLength); \ | |
348 | names += mode->mode.nameLength; \ | |
349 | mode_count++; \ | |
350 | } \ | |
351 | free(modes); \ | |
352 | } \ | |
353 | } while (0) | |
354 | ||
355 | static int | |
356 | rrGetMultiScreenResources(ClientPtr client, Bool query, ScreenPtr pScreen) | |
357 | { | |
358 | int j; | |
359 | int total_crtcs, total_outputs, total_modes, total_name_len; | |
360 | int crtc_count, output_count, mode_count; | |
361 | ScreenPtr iter; | |
362 | rrScrPrivPtr pScrPriv; | |
363 | int num_modes; | |
364 | RRModePtr *modes; | |
365 | xRRGetScreenResourcesReply rep; | |
366 | unsigned long extraLen; | |
367 | CARD8 *extra; | |
368 | RRCrtc *crtcs; | |
369 | RROutput *outputs; | |
370 | xRRModeInfo *modeinfos; | |
371 | CARD8 *names; | |
372 | ||
373 | /* we need to iterate all the GPU masters and all their output slaves */ | |
374 | total_crtcs = 0; | |
375 | total_outputs = 0; | |
376 | total_modes = 0; | |
377 | total_name_len = 0; | |
378 | ||
379 | pScrPriv = rrGetScrPriv(pScreen); | |
380 | ||
381 | if (query && pScrPriv) | |
382 | if (!RRGetInfo(pScreen, query)) | |
383 | return BadAlloc; | |
384 | ||
385 | update_totals(pScreen, pScrPriv); | |
386 | ||
387 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { | |
388 | pScrPriv = rrGetScrPriv(iter); | |
389 | ||
390 | if (query) | |
391 | if (!RRGetInfo(iter, query)) | |
392 | return BadAlloc; | |
393 | update_totals(iter, pScrPriv); | |
394 | } | |
395 | ||
396 | ErrorF("reporting %d %d %d %d\n", total_crtcs, total_outputs, total_modes, total_name_len); | |
397 | ||
398 | pScrPriv = rrGetScrPriv(pScreen); | |
399 | rep = (xRRGetScreenResourcesReply) { | |
400 | .type = X_Reply, | |
401 | .sequenceNumber = client->sequence, | |
402 | .length = 0, | |
403 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |
404 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |
405 | .nCrtcs = total_crtcs, | |
406 | .nOutputs = total_outputs, | |
407 | .nModes = total_modes, | |
408 | .nbytesNames = total_name_len | |
409 | }; | |
410 | ||
411 | rep.length = (total_crtcs + total_outputs + total_modes * bytes_to_int32(SIZEOF(xRRModeInfo)) + | |
412 | bytes_to_int32(rep.nbytesNames)); | |
413 | ||
414 | extraLen = rep.length << 2; | |
415 | if (extraLen) { | |
416 | extra = malloc(extraLen); | |
417 | if (!extra) { | |
418 | return BadAlloc; | |
419 | } | |
420 | } | |
421 | else | |
422 | extra = NULL; | |
423 | ||
424 | crtcs = (RRCrtc *)extra; | |
425 | outputs = (RROutput *)(crtcs + total_crtcs); | |
426 | modeinfos = (xRRModeInfo *)(outputs + total_outputs); | |
427 | names = (CARD8 *)(modeinfos + total_modes); | |
428 | ||
429 | /* TODO primary */ | |
430 | crtc_count = 0; | |
431 | output_count = 0; | |
432 | mode_count = 0; | |
433 | ||
434 | pScrPriv = rrGetScrPriv(pScreen); | |
435 | update_arrays(pScreen, pScrPriv); | |
436 | ||
437 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { | |
438 | pScrPriv = rrGetScrPriv(iter); | |
439 | ||
440 | update_arrays(iter, pScrPriv); | |
441 | } | |
442 | ||
443 | assert(bytes_to_int32((char *) names - (char *) extra) == rep.length); | |
444 | if (client->swapped) { | |
445 | swaps(&rep.sequenceNumber); | |
446 | swapl(&rep.length); | |
447 | swapl(&rep.timestamp); | |
448 | swapl(&rep.configTimestamp); | |
449 | swaps(&rep.nCrtcs); | |
450 | swaps(&rep.nOutputs); | |
451 | swaps(&rep.nModes); | |
452 | swaps(&rep.nbytesNames); | |
453 | } | |
454 | WriteToClient(client, sizeof(xRRGetScreenResourcesReply), &rep); | |
455 | if (extraLen) { | |
456 | WriteToClient(client, extraLen, extra); | |
457 | free(extra); | |
458 | } | |
459 | return Success; | |
460 | } | |
461 | ||
462 | static int | |
463 | rrGetScreenResources(ClientPtr client, Bool query) | |
464 | { | |
465 | REQUEST(xRRGetScreenResourcesReq); | |
466 | xRRGetScreenResourcesReply rep; | |
467 | WindowPtr pWin; | |
468 | ScreenPtr pScreen; | |
469 | rrScrPrivPtr pScrPriv; | |
470 | CARD8 *extra; | |
471 | unsigned long extraLen; | |
472 | int i, rc, has_primary = 0; | |
473 | RRCrtc *crtcs; | |
474 | RROutput *outputs; | |
475 | xRRModeInfo *modeinfos; | |
476 | CARD8 *names; | |
477 | ||
478 | REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq); | |
479 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); | |
480 | if (rc != Success) | |
481 | return rc; | |
482 | ||
483 | pScreen = pWin->drawable.pScreen; | |
484 | pScrPriv = rrGetScrPriv(pScreen); | |
485 | ||
486 | if (query && pScrPriv) | |
487 | if (!RRGetInfo(pScreen, query)) | |
488 | return BadAlloc; | |
489 | ||
490 | if (!xorg_list_is_empty(&pScreen->output_slave_list)) | |
491 | return rrGetMultiScreenResources(client, query, pScreen); | |
492 | ||
493 | if (!pScrPriv) { | |
494 | rep = (xRRGetScreenResourcesReply) { | |
495 | .type = X_Reply, | |
496 | .sequenceNumber = client->sequence, | |
497 | .length = 0, | |
498 | .timestamp = currentTime.milliseconds, | |
499 | .configTimestamp = currentTime.milliseconds, | |
500 | .nCrtcs = 0, | |
501 | .nOutputs = 0, | |
502 | .nModes = 0, | |
503 | .nbytesNames = 0 | |
504 | }; | |
505 | extra = NULL; | |
506 | extraLen = 0; | |
507 | } | |
508 | else { | |
509 | RRModePtr *modes; | |
510 | int num_modes; | |
511 | ||
512 | modes = RRModesForScreen(pScreen, &num_modes); | |
513 | if (!modes) | |
514 | return BadAlloc; | |
515 | ||
516 | rep = (xRRGetScreenResourcesReply) { | |
517 | .type = X_Reply, | |
518 | .sequenceNumber = client->sequence, | |
519 | .length = 0, | |
520 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |
521 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |
522 | .nCrtcs = pScrPriv->numCrtcs, | |
523 | .nOutputs = pScrPriv->numOutputs, | |
524 | .nModes = num_modes, | |
525 | .nbytesNames = 0 | |
526 | }; | |
527 | ||
528 | ||
529 | for (i = 0; i < num_modes; i++) | |
530 | rep.nbytesNames += modes[i]->mode.nameLength; | |
531 | ||
532 | rep.length = (pScrPriv->numCrtcs + | |
533 | pScrPriv->numOutputs + | |
534 | num_modes * bytes_to_int32(SIZEOF(xRRModeInfo)) + | |
535 | bytes_to_int32(rep.nbytesNames)); | |
536 | ||
537 | extraLen = rep.length << 2; | |
538 | if (extraLen) { | |
539 | extra = malloc(extraLen); | |
540 | if (!extra) { | |
541 | free(modes); | |
542 | return BadAlloc; | |
543 | } | |
544 | } | |
545 | else | |
546 | extra = NULL; | |
547 | ||
548 | crtcs = (RRCrtc *) extra; | |
549 | outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs); | |
550 | modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs); | |
551 | names = (CARD8 *) (modeinfos + num_modes); | |
552 | ||
553 | if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) { | |
554 | has_primary = 1; | |
555 | crtcs[0] = pScrPriv->primaryOutput->crtc->id; | |
556 | if (client->swapped) | |
557 | swapl(&crtcs[0]); | |
558 | } | |
559 | ||
560 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |
561 | if (has_primary && | |
562 | pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) { | |
563 | has_primary = 0; | |
564 | continue; | |
565 | } | |
566 | crtcs[i + has_primary] = pScrPriv->crtcs[i]->id; | |
567 | if (client->swapped) | |
568 | swapl(&crtcs[i + has_primary]); | |
569 | } | |
570 | ||
571 | for (i = 0; i < pScrPriv->numOutputs; i++) { | |
572 | outputs[i] = pScrPriv->outputs[i]->id; | |
573 | if (client->swapped) | |
574 | swapl(&outputs[i]); | |
575 | } | |
576 | ||
577 | for (i = 0; i < num_modes; i++) { | |
578 | RRModePtr mode = modes[i]; | |
579 | ||
580 | modeinfos[i] = mode->mode; | |
581 | if (client->swapped) { | |
582 | swapl(&modeinfos[i].id); | |
583 | swaps(&modeinfos[i].width); | |
584 | swaps(&modeinfos[i].height); | |
585 | swapl(&modeinfos[i].dotClock); | |
586 | swaps(&modeinfos[i].hSyncStart); | |
587 | swaps(&modeinfos[i].hSyncEnd); | |
588 | swaps(&modeinfos[i].hTotal); | |
589 | swaps(&modeinfos[i].hSkew); | |
590 | swaps(&modeinfos[i].vSyncStart); | |
591 | swaps(&modeinfos[i].vSyncEnd); | |
592 | swaps(&modeinfos[i].vTotal); | |
593 | swaps(&modeinfos[i].nameLength); | |
594 | swapl(&modeinfos[i].modeFlags); | |
595 | } | |
596 | memcpy(names, mode->name, mode->mode.nameLength); | |
597 | names += mode->mode.nameLength; | |
598 | } | |
599 | free(modes); | |
600 | assert(bytes_to_int32((char *) names - (char *) extra) == rep.length); | |
601 | } | |
602 | ||
603 | if (client->swapped) { | |
604 | swaps(&rep.sequenceNumber); | |
605 | swapl(&rep.length); | |
606 | swapl(&rep.timestamp); | |
607 | swapl(&rep.configTimestamp); | |
608 | swaps(&rep.nCrtcs); | |
609 | swaps(&rep.nOutputs); | |
610 | swaps(&rep.nModes); | |
611 | swaps(&rep.nbytesNames); | |
612 | } | |
613 | WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *) &rep); | |
614 | if (extraLen) { | |
615 | WriteToClient(client, extraLen, (char *) extra); | |
616 | free(extra); | |
617 | } | |
618 | return Success; | |
619 | } | |
620 | ||
621 | int | |
622 | ProcRRGetScreenResources(ClientPtr client) | |
623 | { | |
624 | return rrGetScreenResources(client, TRUE); | |
625 | } | |
626 | ||
627 | int | |
628 | ProcRRGetScreenResourcesCurrent(ClientPtr client) | |
629 | { | |
630 | return rrGetScreenResources(client, FALSE); | |
631 | } | |
632 | ||
633 | typedef struct _RR10Data { | |
634 | RRScreenSizePtr sizes; | |
635 | int nsize; | |
636 | int nrefresh; | |
637 | int size; | |
638 | CARD16 refresh; | |
639 | } RR10DataRec, *RR10DataPtr; | |
640 | ||
641 | /* | |
642 | * Convert 1.2 monitor data into 1.0 screen data | |
643 | */ | |
644 | static RR10DataPtr | |
645 | RR10GetData(ScreenPtr pScreen, RROutputPtr output) | |
646 | { | |
647 | RR10DataPtr data; | |
648 | RRScreenSizePtr size; | |
649 | int nmode = output->numModes + output->numUserModes; | |
650 | int o, os, l, r; | |
651 | RRScreenRatePtr refresh; | |
652 | CARD16 vRefresh; | |
653 | RRModePtr mode; | |
654 | Bool *used; | |
655 | ||
656 | /* Make sure there is plenty of space for any combination */ | |
657 | data = malloc(sizeof(RR10DataRec) + | |
658 | sizeof(RRScreenSize) * nmode + | |
659 | sizeof(RRScreenRate) * nmode + sizeof(Bool) * nmode); | |
660 | if (!data) | |
661 | return NULL; | |
662 | size = (RRScreenSizePtr) (data + 1); | |
663 | refresh = (RRScreenRatePtr) (size + nmode); | |
664 | used = (Bool *) (refresh + nmode); | |
665 | memset(used, '\0', sizeof(Bool) * nmode); | |
666 | data->sizes = size; | |
667 | data->nsize = 0; | |
668 | data->nrefresh = 0; | |
669 | data->size = 0; | |
670 | data->refresh = 0; | |
671 | ||
672 | /* | |
673 | * find modes not yet listed | |
674 | */ | |
675 | for (o = 0; o < output->numModes + output->numUserModes; o++) { | |
676 | if (used[o]) | |
677 | continue; | |
678 | ||
679 | if (o < output->numModes) | |
680 | mode = output->modes[o]; | |
681 | else | |
682 | mode = output->userModes[o - output->numModes]; | |
683 | ||
684 | l = data->nsize; | |
685 | size[l].id = data->nsize; | |
686 | size[l].width = mode->mode.width; | |
687 | size[l].height = mode->mode.height; | |
688 | if (output->mmWidth && output->mmHeight) { | |
689 | size[l].mmWidth = output->mmWidth; | |
690 | size[l].mmHeight = output->mmHeight; | |
691 | } | |
692 | else { | |
693 | size[l].mmWidth = pScreen->mmWidth; | |
694 | size[l].mmHeight = pScreen->mmHeight; | |
695 | } | |
696 | size[l].nRates = 0; | |
697 | size[l].pRates = &refresh[data->nrefresh]; | |
698 | data->nsize++; | |
699 | ||
700 | /* | |
701 | * Find all modes with matching size | |
702 | */ | |
703 | for (os = o; os < output->numModes + output->numUserModes; os++) { | |
704 | if (os < output->numModes) | |
705 | mode = output->modes[os]; | |
706 | else | |
707 | mode = output->userModes[os - output->numModes]; | |
708 | if (mode->mode.width == size[l].width && | |
709 | mode->mode.height == size[l].height) { | |
710 | vRefresh = RRVerticalRefresh(&mode->mode); | |
711 | used[os] = TRUE; | |
712 | ||
713 | for (r = 0; r < size[l].nRates; r++) | |
714 | if (vRefresh == size[l].pRates[r].rate) | |
715 | break; | |
716 | if (r == size[l].nRates) { | |
717 | size[l].pRates[r].rate = vRefresh; | |
718 | size[l].pRates[r].mode = mode; | |
719 | size[l].nRates++; | |
720 | data->nrefresh++; | |
721 | } | |
722 | if (mode == output->crtc->mode) { | |
723 | data->size = l; | |
724 | data->refresh = vRefresh; | |
725 | } | |
726 | } | |
727 | } | |
728 | } | |
729 | return data; | |
730 | } | |
731 | ||
732 | int | |
733 | ProcRRGetScreenInfo(ClientPtr client) | |
734 | { | |
735 | REQUEST(xRRGetScreenInfoReq); | |
736 | xRRGetScreenInfoReply rep; | |
737 | WindowPtr pWin; | |
738 | int rc; | |
739 | ScreenPtr pScreen; | |
740 | rrScrPrivPtr pScrPriv; | |
741 | CARD8 *extra; | |
742 | unsigned long extraLen; | |
743 | RROutputPtr output; | |
744 | ||
745 | REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); | |
746 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); | |
747 | if (rc != Success) | |
748 | return rc; | |
749 | ||
750 | pScreen = pWin->drawable.pScreen; | |
751 | pScrPriv = rrGetScrPriv(pScreen); | |
752 | ||
753 | if (pScrPriv) | |
754 | if (!RRGetInfo(pScreen, TRUE)) | |
755 | return BadAlloc; | |
756 | ||
757 | output = RRFirstOutput(pScreen); | |
758 | ||
759 | if (!pScrPriv || !output) { | |
760 | rep = (xRRGetScreenInfoReply) { | |
761 | .type = X_Reply, | |
762 | .setOfRotations = RR_Rotate_0, | |
763 | .sequenceNumber = client->sequence, | |
764 | .length = 0, | |
765 | .root = pWin->drawable.pScreen->root->drawable.id, | |
766 | .timestamp = currentTime.milliseconds, | |
767 | .configTimestamp = currentTime.milliseconds, | |
768 | .nSizes = 0, | |
769 | .sizeID = 0, | |
770 | .rotation = RR_Rotate_0, | |
771 | .rate = 0, | |
772 | .nrateEnts = 0 | |
773 | }; | |
774 | extra = 0; | |
775 | extraLen = 0; | |
776 | } | |
777 | else { | |
778 | int i, j; | |
779 | xScreenSizes *size; | |
780 | CARD16 *rates; | |
781 | CARD8 *data8; | |
782 | Bool has_rate = RRClientKnowsRates(client); | |
783 | RR10DataPtr pData; | |
784 | RRScreenSizePtr pSize; | |
785 | ||
786 | pData = RR10GetData(pScreen, output); | |
787 | if (!pData) | |
788 | return BadAlloc; | |
789 | ||
790 | rep = (xRRGetScreenInfoReply) { | |
791 | .type = X_Reply, | |
792 | .setOfRotations = output->crtc->rotations, | |
793 | .sequenceNumber = client->sequence, | |
794 | .length = 0, | |
795 | .root = pWin->drawable.pScreen->root->drawable.id, | |
796 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |
797 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |
798 | .rotation = output->crtc->rotation, | |
799 | .nSizes = pData->nsize, | |
800 | .nrateEnts = pData->nrefresh + pData->nsize, | |
801 | .sizeID = pData->size, | |
802 | .rate = pData->refresh | |
803 | }; | |
804 | ||
805 | extraLen = rep.nSizes * sizeof(xScreenSizes); | |
806 | if (has_rate) | |
807 | extraLen += rep.nrateEnts * sizeof(CARD16); | |
808 | ||
809 | if (extraLen) { | |
810 | extra = (CARD8 *) malloc(extraLen); | |
811 | if (!extra) { | |
812 | free(pData); | |
813 | return BadAlloc; | |
814 | } | |
815 | } | |
816 | else | |
817 | extra = NULL; | |
818 | ||
819 | /* | |
820 | * First comes the size information | |
821 | */ | |
822 | size = (xScreenSizes *) extra; | |
823 | rates = (CARD16 *) (size + rep.nSizes); | |
824 | for (i = 0; i < pData->nsize; i++) { | |
825 | pSize = &pData->sizes[i]; | |
826 | size->widthInPixels = pSize->width; | |
827 | size->heightInPixels = pSize->height; | |
828 | size->widthInMillimeters = pSize->mmWidth; | |
829 | size->heightInMillimeters = pSize->mmHeight; | |
830 | if (client->swapped) { | |
831 | swaps(&size->widthInPixels); | |
832 | swaps(&size->heightInPixels); | |
833 | swaps(&size->widthInMillimeters); | |
834 | swaps(&size->heightInMillimeters); | |
835 | } | |
836 | size++; | |
837 | if (has_rate) { | |
838 | *rates = pSize->nRates; | |
839 | if (client->swapped) { | |
840 | swaps(rates); | |
841 | } | |
842 | rates++; | |
843 | for (j = 0; j < pSize->nRates; j++) { | |
844 | *rates = pSize->pRates[j].rate; | |
845 | if (client->swapped) { | |
846 | swaps(rates); | |
847 | } | |
848 | rates++; | |
849 | } | |
850 | } | |
851 | } | |
852 | free(pData); | |
853 | ||
854 | data8 = (CARD8 *) rates; | |
855 | ||
856 | if (data8 - (CARD8 *) extra != extraLen) | |
857 | FatalError("RRGetScreenInfo bad extra len %ld != %ld\n", | |
858 | (unsigned long) (data8 - (CARD8 *) extra), extraLen); | |
859 | rep.length = bytes_to_int32(extraLen); | |
860 | } | |
861 | if (client->swapped) { | |
862 | swaps(&rep.sequenceNumber); | |
863 | swapl(&rep.length); | |
864 | swapl(&rep.timestamp); | |
865 | swapl(&rep.configTimestamp); | |
866 | swaps(&rep.rotation); | |
867 | swaps(&rep.nSizes); | |
868 | swaps(&rep.sizeID); | |
869 | swaps(&rep.rate); | |
870 | swaps(&rep.nrateEnts); | |
871 | } | |
872 | WriteToClient(client, sizeof(xRRGetScreenInfoReply), &rep); | |
873 | if (extraLen) { | |
874 | WriteToClient(client, extraLen, extra); | |
875 | free(extra); | |
876 | } | |
877 | return Success; | |
878 | } | |
879 | ||
880 | int | |
881 | ProcRRSetScreenConfig(ClientPtr client) | |
882 | { | |
883 | REQUEST(xRRSetScreenConfigReq); | |
884 | xRRSetScreenConfigReply rep; | |
885 | DrawablePtr pDraw; | |
886 | int rc; | |
887 | ScreenPtr pScreen; | |
888 | rrScrPrivPtr pScrPriv; | |
889 | TimeStamp time; | |
890 | int i; | |
891 | Rotation rotation; | |
892 | int rate; | |
893 | Bool has_rate; | |
894 | CARD8 status; | |
895 | RROutputPtr output; | |
896 | RRCrtcPtr crtc; | |
897 | RRModePtr mode; | |
898 | RR10DataPtr pData = NULL; | |
899 | RRScreenSizePtr pSize; | |
900 | int width, height; | |
901 | ||
902 | UpdateCurrentTime(); | |
903 | ||
904 | if (RRClientKnowsRates(client)) { | |
905 | REQUEST_SIZE_MATCH(xRRSetScreenConfigReq); | |
906 | has_rate = TRUE; | |
907 | } | |
908 | else { | |
909 | REQUEST_SIZE_MATCH(xRR1_0SetScreenConfigReq); | |
910 | has_rate = FALSE; | |
911 | } | |
912 | ||
913 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess); | |
914 | if (rc != Success) | |
915 | return rc; | |
916 | ||
917 | pScreen = pDraw->pScreen; | |
918 | ||
919 | pScrPriv = rrGetScrPriv(pScreen); | |
920 | ||
921 | time = ClientTimeToServerTime(stuff->timestamp); | |
922 | ||
923 | if (!pScrPriv) { | |
924 | time = currentTime; | |
925 | status = RRSetConfigFailed; | |
926 | goto sendReply; | |
927 | } | |
928 | if (!RRGetInfo(pScreen, FALSE)) | |
929 | return BadAlloc; | |
930 | ||
931 | output = RRFirstOutput(pScreen); | |
932 | if (!output) { | |
933 | time = currentTime; | |
934 | status = RRSetConfigFailed; | |
935 | goto sendReply; | |
936 | } | |
937 | ||
938 | crtc = output->crtc; | |
939 | ||
940 | /* | |
941 | * If the client's config timestamp is not the same as the last config | |
942 | * timestamp, then the config information isn't up-to-date and | |
943 | * can't even be validated. | |
944 | * | |
945 | * Note that the client only knows about the milliseconds part of the | |
946 | * timestamp, so using CompareTimeStamps here would cause randr to suddenly | |
947 | * stop working after several hours have passed (freedesktop bug #6502). | |
948 | */ | |
949 | if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds) { | |
950 | status = RRSetConfigInvalidConfigTime; | |
951 | goto sendReply; | |
952 | } | |
953 | ||
954 | pData = RR10GetData(pScreen, output); | |
955 | if (!pData) | |
956 | return BadAlloc; | |
957 | ||
958 | if (stuff->sizeID >= pData->nsize) { | |
959 | /* | |
960 | * Invalid size ID | |
961 | */ | |
962 | client->errorValue = stuff->sizeID; | |
963 | free(pData); | |
964 | return BadValue; | |
965 | } | |
966 | pSize = &pData->sizes[stuff->sizeID]; | |
967 | ||
968 | /* | |
969 | * Validate requested rotation | |
970 | */ | |
971 | rotation = (Rotation) stuff->rotation; | |
972 | ||
973 | /* test the rotation bits only! */ | |
974 | switch (rotation & 0xf) { | |
975 | case RR_Rotate_0: | |
976 | case RR_Rotate_90: | |
977 | case RR_Rotate_180: | |
978 | case RR_Rotate_270: | |
979 | break; | |
980 | default: | |
981 | /* | |
982 | * Invalid rotation | |
983 | */ | |
984 | client->errorValue = stuff->rotation; | |
985 | free(pData); | |
986 | return BadValue; | |
987 | } | |
988 | ||
989 | if ((~crtc->rotations) & rotation) { | |
990 | /* | |
991 | * requested rotation or reflection not supported by screen | |
992 | */ | |
993 | client->errorValue = stuff->rotation; | |
994 | free(pData); | |
995 | return BadMatch; | |
996 | } | |
997 | ||
998 | /* | |
999 | * Validate requested refresh | |
1000 | */ | |
1001 | if (has_rate) | |
1002 | rate = (int) stuff->rate; | |
1003 | else | |
1004 | rate = 0; | |
1005 | ||
1006 | if (rate) { | |
1007 | for (i = 0; i < pSize->nRates; i++) { | |
1008 | if (pSize->pRates[i].rate == rate) | |
1009 | break; | |
1010 | } | |
1011 | if (i == pSize->nRates) { | |
1012 | /* | |
1013 | * Invalid rate | |
1014 | */ | |
1015 | client->errorValue = rate; | |
1016 | free(pData); | |
1017 | return BadValue; | |
1018 | } | |
1019 | mode = pSize->pRates[i].mode; | |
1020 | } | |
1021 | else | |
1022 | mode = pSize->pRates[0].mode; | |
1023 | ||
1024 | /* | |
1025 | * Make sure the requested set-time is not older than | |
1026 | * the last set-time | |
1027 | */ | |
1028 | if (CompareTimeStamps(time, pScrPriv->lastSetTime) < 0) { | |
1029 | status = RRSetConfigInvalidTime; | |
1030 | goto sendReply; | |
1031 | } | |
1032 | ||
1033 | /* | |
1034 | * If the screen size is changing, adjust all of the other outputs | |
1035 | * to fit the new size, mirroring as much as possible | |
1036 | */ | |
1037 | width = mode->mode.width; | |
1038 | height = mode->mode.height; | |
1039 | if (width < pScrPriv->minWidth || pScrPriv->maxWidth < width) { | |
1040 | client->errorValue = width; | |
1041 | free(pData); | |
1042 | return BadValue; | |
1043 | } | |
1044 | if (height < pScrPriv->minHeight || pScrPriv->maxHeight < height) { | |
1045 | client->errorValue = height; | |
1046 | free(pData); | |
1047 | return BadValue; | |
1048 | } | |
1049 | ||
1050 | if (rotation & (RR_Rotate_90 | RR_Rotate_270)) { | |
1051 | width = mode->mode.height; | |
1052 | height = mode->mode.width; | |
1053 | } | |
1054 | ||
1055 | if (width != pScreen->width || height != pScreen->height) { | |
1056 | int c; | |
1057 | ||
1058 | for (c = 0; c < pScrPriv->numCrtcs; c++) { | |
1059 | if (!RRCrtcSet(pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0, | |
1060 | 0, NULL)) { | |
1061 | status = RRSetConfigFailed; | |
1062 | /* XXX recover from failure */ | |
1063 | goto sendReply; | |
1064 | } | |
1065 | } | |
1066 | if (!RRScreenSizeSet(pScreen, width, height, | |
1067 | pScreen->mmWidth, pScreen->mmHeight)) { | |
1068 | status = RRSetConfigFailed; | |
1069 | /* XXX recover from failure */ | |
1070 | goto sendReply; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | if (!RRCrtcSet(crtc, mode, 0, 0, stuff->rotation, 1, &output)) | |
1075 | status = RRSetConfigFailed; | |
1076 | else { | |
1077 | pScrPriv->lastSetTime = time; | |
1078 | status = RRSetConfigSuccess; | |
1079 | } | |
1080 | ||
1081 | /* | |
1082 | * XXX Configure other crtcs to mirror as much as possible | |
1083 | */ | |
1084 | ||
1085 | sendReply: | |
1086 | ||
1087 | free(pData); | |
1088 | ||
1089 | rep = (xRRSetScreenConfigReply) { | |
1090 | .type = X_Reply, | |
1091 | .status = status, | |
1092 | .sequenceNumber = client->sequence, | |
1093 | .length = 0, | |
1094 | ||
1095 | .newTimestamp = pScrPriv->lastSetTime.milliseconds, | |
1096 | .newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds, | |
1097 | .root = pDraw->pScreen->root->drawable.id, | |
1098 | /* .subpixelOrder = ?? */ | |
1099 | }; | |
1100 | ||
1101 | if (client->swapped) { | |
1102 | swaps(&rep.sequenceNumber); | |
1103 | swapl(&rep.length); | |
1104 | swapl(&rep.newTimestamp); | |
1105 | swapl(&rep.newConfigTimestamp); | |
1106 | swapl(&rep.root); | |
1107 | } | |
1108 | WriteToClient(client, sizeof(xRRSetScreenConfigReply), &rep); | |
1109 | ||
1110 | return Success; | |
1111 | } | |
1112 | ||
1113 | static CARD16 | |
1114 | RR10CurrentSizeID(ScreenPtr pScreen) | |
1115 | { | |
1116 | CARD16 sizeID = 0xffff; | |
1117 | RROutputPtr output = RRFirstOutput(pScreen); | |
1118 | ||
1119 | if (output) { | |
1120 | RR10DataPtr data = RR10GetData(pScreen, output); | |
1121 | ||
1122 | if (data) { | |
1123 | int i; | |
1124 | ||
1125 | for (i = 0; i < data->nsize; i++) | |
1126 | if (data->sizes[i].width == pScreen->width && | |
1127 | data->sizes[i].height == pScreen->height) { | |
1128 | sizeID = (CARD16) i; | |
1129 | break; | |
1130 | } | |
1131 | free(data); | |
1132 | } | |
1133 | } | |
1134 | return sizeID; | |
1135 | } |