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a09e091a JB |
1 | /* |
2 | * Copyright © 2002 Keith Packard | |
3 | * Copyright 2013 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 | |
8 | * copyright notice and this permission notice appear in supporting | |
9 | * documentation, and that the name of Keith Packard not be used in | |
10 | * advertising or publicity pertaining to distribution of the software without | |
11 | * specific, written prior permission. Keith Packard makes no | |
12 | * representations about the suitability of this software for any purpose. It | |
13 | * is provided "as is" without express or implied warranty. | |
14 | * | |
15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
17 | * EVENT SHALL KEITH PACKARD 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 | |
21 | * PERFORMANCE OF THIS SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifdef HAVE_DIX_CONFIG_H | |
25 | #include <dix-config.h> | |
26 | #endif | |
27 | ||
28 | #include "damageextint.h" | |
29 | #include "damagestr.h" | |
30 | #include "protocol-versions.h" | |
31 | #include "extinit.h" | |
32 | ||
33 | #ifdef PANORAMIX | |
34 | #include "panoramiX.h" | |
35 | #include "panoramiXsrv.h" | |
36 | ||
37 | typedef struct { | |
38 | DamageExtPtr ext; | |
39 | DamagePtr damage[MAXSCREENS]; | |
40 | } PanoramiXDamageRes; | |
41 | ||
42 | static RESTYPE XRT_DAMAGE; | |
43 | static int (*PanoramiXSaveDamageCreate) (ClientPtr); | |
44 | ||
45 | #endif | |
46 | ||
47 | static unsigned char DamageReqCode; | |
48 | static int DamageEventBase; | |
49 | static RESTYPE DamageExtType; | |
50 | ||
51 | static DevPrivateKeyRec DamageClientPrivateKeyRec; | |
52 | ||
53 | #define DamageClientPrivateKey (&DamageClientPrivateKeyRec) | |
54 | ||
55 | static void | |
56 | DamageNoteCritical(ClientPtr pClient) | |
57 | { | |
58 | DamageClientPtr pDamageClient = GetDamageClient(pClient); | |
59 | ||
60 | /* Composite extension marks clients with manual Subwindows as critical */ | |
61 | if (pDamageClient->critical > 0) { | |
62 | SetCriticalOutputPending(); | |
63 | pClient->smart_priority = SMART_MAX_PRIORITY; | |
64 | } | |
65 | } | |
66 | ||
67 | static void | |
68 | damageGetGeometry(DrawablePtr draw, int *x, int *y, int *w, int *h) | |
69 | { | |
70 | #ifdef PANORAMIX | |
71 | if (!noPanoramiXExtension && draw->type == DRAWABLE_WINDOW) { | |
72 | WindowPtr win = (WindowPtr)draw; | |
73 | ||
74 | if (!win->parent) { | |
75 | *x = screenInfo.x; | |
76 | *y = screenInfo.y; | |
77 | *w = screenInfo.width; | |
78 | *h = screenInfo.height; | |
79 | return; | |
80 | } | |
81 | } | |
82 | #endif | |
83 | ||
84 | *x = draw->x; | |
85 | *y = draw->y; | |
86 | *w = draw->width; | |
87 | *h = draw->height; | |
88 | } | |
89 | ||
90 | static void | |
91 | DamageExtNotify(DamageExtPtr pDamageExt, BoxPtr pBoxes, int nBoxes) | |
92 | { | |
93 | ClientPtr pClient = pDamageExt->pClient; | |
94 | DrawablePtr pDrawable = pDamageExt->pDrawable; | |
95 | xDamageNotifyEvent ev; | |
96 | int i, x, y, w, h; | |
97 | ||
98 | damageGetGeometry(pDrawable, &x, &y, &w, &h); | |
99 | ||
100 | UpdateCurrentTimeIf(); | |
101 | ev = (xDamageNotifyEvent) { | |
102 | .type = DamageEventBase + XDamageNotify, | |
103 | .level = pDamageExt->level, | |
104 | .drawable = pDamageExt->drawable, | |
105 | .damage = pDamageExt->id, | |
106 | .timestamp = currentTime.milliseconds, | |
107 | .geometry.x = x, | |
108 | .geometry.y = y, | |
109 | .geometry.width = w, | |
110 | .geometry.height = h | |
111 | }; | |
112 | if (pBoxes) { | |
113 | for (i = 0; i < nBoxes; i++) { | |
114 | ev.level = pDamageExt->level; | |
115 | if (i < nBoxes - 1) | |
116 | ev.level |= DamageNotifyMore; | |
117 | ev.area.x = pBoxes[i].x1; | |
118 | ev.area.y = pBoxes[i].y1; | |
119 | ev.area.width = pBoxes[i].x2 - pBoxes[i].x1; | |
120 | ev.area.height = pBoxes[i].y2 - pBoxes[i].y1; | |
121 | WriteEventsToClient(pClient, 1, (xEvent *) &ev); | |
122 | } | |
123 | } | |
124 | else { | |
125 | ev.area.x = 0; | |
126 | ev.area.y = 0; | |
127 | ev.area.width = w; | |
128 | ev.area.height = h; | |
129 | WriteEventsToClient(pClient, 1, (xEvent *) &ev); | |
130 | } | |
131 | ||
132 | DamageNoteCritical(pClient); | |
133 | } | |
134 | ||
135 | static void | |
136 | DamageExtReport(DamagePtr pDamage, RegionPtr pRegion, void *closure) | |
137 | { | |
138 | DamageExtPtr pDamageExt = closure; | |
139 | ||
140 | switch (pDamageExt->level) { | |
141 | case DamageReportRawRegion: | |
142 | case DamageReportDeltaRegion: | |
143 | DamageExtNotify(pDamageExt, RegionRects(pRegion), | |
144 | RegionNumRects(pRegion)); | |
145 | break; | |
146 | case DamageReportBoundingBox: | |
147 | DamageExtNotify(pDamageExt, RegionExtents(pRegion), 1); | |
148 | break; | |
149 | case DamageReportNonEmpty: | |
150 | DamageExtNotify(pDamageExt, NullBox, 0); | |
151 | break; | |
152 | case DamageReportNone: | |
153 | break; | |
154 | } | |
155 | } | |
156 | ||
157 | static void | |
158 | DamageExtDestroy(DamagePtr pDamage, void *closure) | |
159 | { | |
160 | DamageExtPtr pDamageExt = closure; | |
161 | ||
162 | pDamageExt->pDamage = 0; | |
163 | if (pDamageExt->id) | |
164 | FreeResource(pDamageExt->id, RT_NONE); | |
165 | } | |
166 | ||
167 | void | |
168 | DamageExtSetCritical(ClientPtr pClient, Bool critical) | |
169 | { | |
170 | DamageClientPtr pDamageClient = GetDamageClient(pClient); | |
171 | ||
172 | if (pDamageClient) | |
173 | pDamageClient->critical += critical ? 1 : -1; | |
174 | } | |
175 | ||
176 | static int | |
177 | ProcDamageQueryVersion(ClientPtr client) | |
178 | { | |
179 | DamageClientPtr pDamageClient = GetDamageClient(client); | |
180 | xDamageQueryVersionReply rep = { | |
181 | .type = X_Reply, | |
182 | .sequenceNumber = client->sequence, | |
183 | .length = 0 | |
184 | }; | |
185 | ||
186 | REQUEST(xDamageQueryVersionReq); | |
187 | ||
188 | REQUEST_SIZE_MATCH(xDamageQueryVersionReq); | |
189 | ||
190 | if (stuff->majorVersion < SERVER_DAMAGE_MAJOR_VERSION) { | |
191 | rep.majorVersion = stuff->majorVersion; | |
192 | rep.minorVersion = stuff->minorVersion; | |
193 | } | |
194 | else { | |
195 | rep.majorVersion = SERVER_DAMAGE_MAJOR_VERSION; | |
196 | if (stuff->majorVersion == SERVER_DAMAGE_MAJOR_VERSION && | |
197 | stuff->minorVersion < SERVER_DAMAGE_MINOR_VERSION) | |
198 | rep.minorVersion = stuff->minorVersion; | |
199 | else | |
200 | rep.minorVersion = SERVER_DAMAGE_MINOR_VERSION; | |
201 | } | |
202 | pDamageClient->major_version = rep.majorVersion; | |
203 | pDamageClient->minor_version = rep.minorVersion; | |
204 | if (client->swapped) { | |
205 | swaps(&rep.sequenceNumber); | |
206 | swapl(&rep.length); | |
207 | swapl(&rep.majorVersion); | |
208 | swapl(&rep.minorVersion); | |
209 | } | |
210 | WriteToClient(client, sizeof(xDamageQueryVersionReply), &rep); | |
211 | return Success; | |
212 | } | |
213 | ||
214 | static void | |
215 | DamageExtRegister(DrawablePtr pDrawable, DamagePtr pDamage, Bool report) | |
216 | { | |
217 | DamageSetReportAfterOp(pDamage, TRUE); | |
218 | DamageRegister(pDrawable, pDamage); | |
219 | ||
220 | if (report) { | |
221 | RegionPtr pRegion = &((WindowPtr) pDrawable)->borderClip; | |
222 | RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y); | |
223 | DamageReportDamage(pDamage, pRegion); | |
224 | RegionTranslate(pRegion, pDrawable->x, pDrawable->y); | |
225 | } | |
226 | } | |
227 | ||
228 | static DamageExtPtr | |
229 | DamageExtCreate(DrawablePtr pDrawable, DamageReportLevel level, | |
230 | ClientPtr client, XID id, XID drawable) | |
231 | { | |
232 | DamageExtPtr pDamageExt = malloc(sizeof(DamageExtRec)); | |
233 | if (!pDamageExt) | |
234 | return NULL; | |
235 | ||
236 | pDamageExt->id = id; | |
237 | pDamageExt->drawable = drawable; | |
238 | pDamageExt->pDrawable = pDrawable; | |
239 | pDamageExt->level = level; | |
240 | pDamageExt->pClient = client; | |
241 | pDamageExt->pDamage = DamageCreate(DamageExtReport, DamageExtDestroy, level, | |
242 | FALSE, pDrawable->pScreen, pDamageExt); | |
243 | if (!pDamageExt->pDamage) { | |
244 | free(pDamageExt); | |
245 | return NULL; | |
246 | } | |
247 | ||
248 | if (!AddResource(id, DamageExtType, (pointer) pDamageExt)) | |
249 | return NULL; | |
250 | ||
251 | DamageExtRegister(pDrawable, pDamageExt->pDamage, | |
252 | pDrawable->type == DRAWABLE_WINDOW); | |
253 | ||
254 | return pDamageExt; | |
255 | } | |
256 | ||
257 | static DamageExtPtr | |
258 | doDamageCreate(ClientPtr client, int *rc) | |
259 | { | |
260 | DrawablePtr pDrawable; | |
261 | DamageExtPtr pDamageExt; | |
262 | DamageReportLevel level; | |
263 | ||
264 | REQUEST(xDamageCreateReq); | |
265 | ||
266 | *rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, | |
267 | DixGetAttrAccess | DixReadAccess); | |
268 | if (*rc != Success) | |
269 | return NULL; | |
270 | ||
271 | switch (stuff->level) { | |
272 | case XDamageReportRawRectangles: | |
273 | level = DamageReportRawRegion; | |
274 | break; | |
275 | case XDamageReportDeltaRectangles: | |
276 | level = DamageReportDeltaRegion; | |
277 | break; | |
278 | case XDamageReportBoundingBox: | |
279 | level = DamageReportBoundingBox; | |
280 | break; | |
281 | case XDamageReportNonEmpty: | |
282 | level = DamageReportNonEmpty; | |
283 | break; | |
284 | default: | |
285 | client->errorValue = stuff->level; | |
286 | *rc = BadValue; | |
287 | return NULL; | |
288 | } | |
289 | ||
290 | pDamageExt = DamageExtCreate(pDrawable, level, client, stuff->damage, | |
291 | stuff->drawable); | |
292 | if (!pDamageExt) | |
293 | *rc = BadAlloc; | |
294 | ||
295 | return pDamageExt; | |
296 | } | |
297 | ||
298 | static int | |
299 | ProcDamageCreate(ClientPtr client) | |
300 | { | |
301 | int rc; | |
302 | REQUEST(xDamageCreateReq); | |
303 | REQUEST_SIZE_MATCH(xDamageCreateReq); | |
304 | LEGAL_NEW_RESOURCE(stuff->damage, client); | |
305 | doDamageCreate(client, &rc); | |
306 | return rc; | |
307 | } | |
308 | ||
309 | static int | |
310 | ProcDamageDestroy(ClientPtr client) | |
311 | { | |
312 | REQUEST(xDamageDestroyReq); | |
313 | DamageExtPtr pDamageExt; | |
314 | ||
315 | REQUEST_SIZE_MATCH(xDamageDestroyReq); | |
316 | VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess); | |
317 | FreeResource(stuff->damage, RT_NONE); | |
318 | return Success; | |
319 | } | |
320 | ||
321 | #ifdef PANORAMIX | |
322 | static RegionPtr | |
323 | DamageExtSubtractWindowClip(DamageExtPtr pDamageExt) | |
324 | { | |
325 | WindowPtr win = (WindowPtr)pDamageExt->pDrawable; | |
326 | PanoramiXRes *res = NULL; | |
327 | RegionPtr ret; | |
328 | int i; | |
329 | ||
330 | if (!win->parent) | |
331 | return &PanoramiXScreenRegion; | |
332 | ||
333 | dixLookupResourceByType((void **)&res, win->drawable.id, XRT_WINDOW, | |
334 | serverClient, DixReadAccess); | |
335 | if (!res) | |
336 | return NULL; | |
337 | ||
338 | ret = RegionCreate(NULL, 0); | |
339 | if (!ret) | |
340 | return NULL; | |
341 | ||
342 | FOR_NSCREENS_FORWARD(i) { | |
343 | ScreenPtr screen; | |
344 | if (Success != dixLookupWindow(&win, res->info[i].id, serverClient, | |
345 | DixReadAccess)) | |
346 | goto out; | |
347 | ||
348 | screen = win->drawable.pScreen; | |
349 | ||
350 | RegionTranslate(ret, -screen->x, -screen->y); | |
351 | if (!RegionUnion(ret, ret, &win->borderClip)) | |
352 | goto out; | |
353 | RegionTranslate(ret, screen->x, screen->y); | |
354 | } | |
355 | ||
356 | return ret; | |
357 | ||
358 | out: | |
359 | RegionDestroy(ret); | |
360 | return NULL; | |
361 | } | |
362 | ||
363 | static void | |
364 | DamageExtFreeWindowClip(RegionPtr reg) | |
365 | { | |
366 | if (reg != &PanoramiXScreenRegion) | |
367 | RegionDestroy(reg); | |
368 | } | |
369 | #endif | |
370 | ||
371 | /* | |
372 | * DamageSubtract intersects with borderClip, so we must reconstruct the | |
373 | * protocol's perspective of same... | |
374 | */ | |
375 | static Bool | |
376 | DamageExtSubtract(DamageExtPtr pDamageExt, const RegionPtr pRegion) | |
377 | { | |
378 | DamagePtr pDamage = pDamageExt->pDamage; | |
379 | ||
380 | #ifdef PANORAMIX | |
381 | if (!noPanoramiXExtension) { | |
382 | RegionPtr damage = DamageRegion(pDamage); | |
383 | RegionSubtract(damage, damage, pRegion); | |
384 | ||
385 | if (pDamageExt->pDrawable->type == DRAWABLE_WINDOW) { | |
386 | DrawablePtr pDraw = pDamageExt->pDrawable; | |
387 | RegionPtr clip = DamageExtSubtractWindowClip(pDamageExt); | |
388 | if (clip) { | |
389 | RegionTranslate(clip, -pDraw->x, -pDraw->y); | |
390 | RegionIntersect(damage, damage, clip); | |
391 | RegionTranslate(clip, pDraw->x, pDraw->y); | |
392 | DamageExtFreeWindowClip(clip); | |
393 | } | |
394 | } | |
395 | ||
396 | return RegionNotEmpty(damage); | |
397 | } | |
398 | #endif | |
399 | ||
400 | return DamageSubtract(pDamage, pRegion); | |
401 | } | |
402 | ||
403 | static int | |
404 | ProcDamageSubtract(ClientPtr client) | |
405 | { | |
406 | REQUEST(xDamageSubtractReq); | |
407 | DamageExtPtr pDamageExt; | |
408 | RegionPtr pRepair; | |
409 | RegionPtr pParts; | |
410 | ||
411 | REQUEST_SIZE_MATCH(xDamageSubtractReq); | |
412 | VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess); | |
413 | VERIFY_REGION_OR_NONE(pRepair, stuff->repair, client, DixWriteAccess); | |
414 | VERIFY_REGION_OR_NONE(pParts, stuff->parts, client, DixWriteAccess); | |
415 | ||
416 | if (pDamageExt->level != DamageReportRawRegion) { | |
417 | DamagePtr pDamage = pDamageExt->pDamage; | |
418 | ||
419 | if (pRepair) { | |
420 | if (pParts) | |
421 | RegionIntersect(pParts, DamageRegion(pDamage), pRepair); | |
422 | if (DamageExtSubtract(pDamageExt, pRepair)) | |
423 | DamageExtReport(pDamage, DamageRegion(pDamage), | |
424 | (void *) pDamageExt); | |
425 | } | |
426 | else { | |
427 | if (pParts) | |
428 | RegionCopy(pParts, DamageRegion(pDamage)); | |
429 | DamageEmpty(pDamage); | |
430 | } | |
431 | } | |
432 | ||
433 | return Success; | |
434 | } | |
435 | ||
436 | static int | |
437 | ProcDamageAdd(ClientPtr client) | |
438 | { | |
439 | REQUEST(xDamageAddReq); | |
440 | DrawablePtr pDrawable; | |
441 | RegionPtr pRegion; | |
442 | int rc; | |
443 | ||
444 | REQUEST_SIZE_MATCH(xDamageAddReq); | |
445 | VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess); | |
446 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, | |
447 | DixWriteAccess); | |
448 | if (rc != Success) | |
449 | return rc; | |
450 | ||
451 | /* The region is relative to the drawable origin, so translate it out to | |
452 | * screen coordinates like damage expects. | |
453 | */ | |
454 | RegionTranslate(pRegion, pDrawable->x, pDrawable->y); | |
455 | DamageDamageRegion(pDrawable, pRegion); | |
456 | RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y); | |
457 | ||
458 | return Success; | |
459 | } | |
460 | ||
461 | /* Major version controls available requests */ | |
462 | static const int version_requests[] = { | |
463 | X_DamageQueryVersion, /* before client sends QueryVersion */ | |
464 | X_DamageAdd, /* Version 1 */ | |
465 | }; | |
466 | ||
467 | #define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0])) | |
468 | ||
469 | static int (*ProcDamageVector[XDamageNumberRequests]) (ClientPtr) = { | |
470 | /*************** Version 1 ******************/ | |
471 | ProcDamageQueryVersion, | |
472 | ProcDamageCreate, | |
473 | ProcDamageDestroy, | |
474 | ProcDamageSubtract, | |
475 | /*************** Version 1.1 ****************/ | |
476 | ProcDamageAdd, | |
477 | }; | |
478 | ||
479 | static int | |
480 | ProcDamageDispatch(ClientPtr client) | |
481 | { | |
482 | REQUEST(xDamageReq); | |
483 | DamageClientPtr pDamageClient = GetDamageClient(client); | |
484 | ||
485 | if (pDamageClient->major_version >= NUM_VERSION_REQUESTS) | |
486 | return BadRequest; | |
487 | if (stuff->damageReqType > version_requests[pDamageClient->major_version]) | |
488 | return BadRequest; | |
489 | return (*ProcDamageVector[stuff->damageReqType]) (client); | |
490 | } | |
491 | ||
492 | static int | |
493 | SProcDamageQueryVersion(ClientPtr client) | |
494 | { | |
495 | REQUEST(xDamageQueryVersionReq); | |
496 | ||
497 | swaps(&stuff->length); | |
498 | REQUEST_SIZE_MATCH(xDamageQueryVersionReq); | |
499 | swapl(&stuff->majorVersion); | |
500 | swapl(&stuff->minorVersion); | |
501 | return (*ProcDamageVector[stuff->damageReqType]) (client); | |
502 | } | |
503 | ||
504 | static int | |
505 | SProcDamageCreate(ClientPtr client) | |
506 | { | |
507 | REQUEST(xDamageCreateReq); | |
508 | ||
509 | swaps(&stuff->length); | |
510 | REQUEST_SIZE_MATCH(xDamageCreateReq); | |
511 | swapl(&stuff->damage); | |
512 | swapl(&stuff->drawable); | |
513 | return (*ProcDamageVector[stuff->damageReqType]) (client); | |
514 | } | |
515 | ||
516 | static int | |
517 | SProcDamageDestroy(ClientPtr client) | |
518 | { | |
519 | REQUEST(xDamageDestroyReq); | |
520 | ||
521 | swaps(&stuff->length); | |
522 | REQUEST_SIZE_MATCH(xDamageDestroyReq); | |
523 | swapl(&stuff->damage); | |
524 | return (*ProcDamageVector[stuff->damageReqType]) (client); | |
525 | } | |
526 | ||
527 | static int | |
528 | SProcDamageSubtract(ClientPtr client) | |
529 | { | |
530 | REQUEST(xDamageSubtractReq); | |
531 | ||
532 | swaps(&stuff->length); | |
533 | REQUEST_SIZE_MATCH(xDamageSubtractReq); | |
534 | swapl(&stuff->damage); | |
535 | swapl(&stuff->repair); | |
536 | swapl(&stuff->parts); | |
537 | return (*ProcDamageVector[stuff->damageReqType]) (client); | |
538 | } | |
539 | ||
540 | static int | |
541 | SProcDamageAdd(ClientPtr client) | |
542 | { | |
543 | REQUEST(xDamageAddReq); | |
544 | ||
545 | swaps(&stuff->length); | |
546 | REQUEST_SIZE_MATCH(xDamageSubtractReq); | |
547 | swapl(&stuff->drawable); | |
548 | swapl(&stuff->region); | |
549 | return (*ProcDamageVector[stuff->damageReqType]) (client); | |
550 | } | |
551 | ||
552 | static int (*SProcDamageVector[XDamageNumberRequests]) (ClientPtr) = { | |
553 | /*************** Version 1 ******************/ | |
554 | SProcDamageQueryVersion, | |
555 | SProcDamageCreate, | |
556 | SProcDamageDestroy, | |
557 | SProcDamageSubtract, | |
558 | /*************** Version 1.1 ****************/ | |
559 | SProcDamageAdd, | |
560 | }; | |
561 | ||
562 | static int | |
563 | SProcDamageDispatch(ClientPtr client) | |
564 | { | |
565 | REQUEST(xDamageReq); | |
566 | if (stuff->damageReqType >= XDamageNumberRequests) | |
567 | return BadRequest; | |
568 | return (*SProcDamageVector[stuff->damageReqType]) (client); | |
569 | } | |
570 | ||
571 | static void | |
572 | DamageClientCallback(CallbackListPtr *list, pointer closure, pointer data) | |
573 | { | |
574 | NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; | |
575 | ClientPtr pClient = clientinfo->client; | |
576 | DamageClientPtr pDamageClient = GetDamageClient(pClient); | |
577 | ||
578 | pDamageClient->critical = 0; | |
579 | pDamageClient->major_version = 0; | |
580 | pDamageClient->minor_version = 0; | |
581 | } | |
582 | ||
583 | /*ARGSUSED*/ static void | |
584 | DamageResetProc(ExtensionEntry * extEntry) | |
585 | { | |
586 | DeleteCallback(&ClientStateCallback, DamageClientCallback, 0); | |
587 | } | |
588 | ||
589 | static int | |
590 | FreeDamageExt(pointer value, XID did) | |
591 | { | |
592 | DamageExtPtr pDamageExt = (DamageExtPtr) value; | |
593 | ||
594 | /* | |
595 | * Get rid of the resource table entry hanging from the window id | |
596 | */ | |
597 | pDamageExt->id = 0; | |
598 | if (pDamageExt->pDamage) { | |
599 | DamageDestroy(pDamageExt->pDamage); | |
600 | } | |
601 | free(pDamageExt); | |
602 | return Success; | |
603 | } | |
604 | ||
605 | static void | |
606 | SDamageNotifyEvent(xDamageNotifyEvent * from, xDamageNotifyEvent * to) | |
607 | { | |
608 | to->type = from->type; | |
609 | cpswaps(from->sequenceNumber, to->sequenceNumber); | |
610 | cpswapl(from->drawable, to->drawable); | |
611 | cpswapl(from->damage, to->damage); | |
612 | cpswaps(from->area.x, to->area.x); | |
613 | cpswaps(from->area.y, to->area.y); | |
614 | cpswaps(from->area.width, to->area.width); | |
615 | cpswaps(from->area.height, to->area.height); | |
616 | cpswaps(from->geometry.x, to->geometry.x); | |
617 | cpswaps(from->geometry.y, to->geometry.y); | |
618 | cpswaps(from->geometry.width, to->geometry.width); | |
619 | cpswaps(from->geometry.height, to->geometry.height); | |
620 | } | |
621 | ||
622 | #ifdef PANORAMIX | |
623 | ||
624 | static void | |
625 | PanoramiXDamageReport(DamagePtr pDamage, RegionPtr pRegion, void *closure) | |
626 | { | |
627 | PanoramiXDamageRes *res = closure; | |
628 | DamageExtPtr pDamageExt = res->ext; | |
629 | WindowPtr pWin = (WindowPtr)pDamage->pDrawable; | |
630 | ScreenPtr pScreen = pDamage->pScreen; | |
631 | ||
632 | /* happens on unmap? sigh xinerama */ | |
633 | if (RegionNil(pRegion)) | |
634 | return; | |
635 | ||
636 | /* translate root windows if necessary */ | |
637 | if (!pWin->parent) | |
638 | RegionTranslate(pRegion, pScreen->x, pScreen->y); | |
639 | ||
640 | /* add our damage to the protocol view */ | |
641 | DamageReportDamage(pDamageExt->pDamage, pRegion); | |
642 | ||
643 | /* empty our view */ | |
644 | DamageEmpty(pDamage); | |
645 | } | |
646 | ||
647 | static void | |
648 | PanoramiXDamageExtDestroy(DamagePtr pDamage, void *closure) | |
649 | { | |
650 | PanoramiXDamageRes *damage = closure; | |
651 | damage->damage[pDamage->pScreen->myNum] = NULL; | |
652 | } | |
653 | ||
654 | static int | |
655 | PanoramiXDamageCreate(ClientPtr client) | |
656 | { | |
657 | PanoramiXDamageRes *damage; | |
658 | PanoramiXRes *draw; | |
659 | int i, rc; | |
660 | ||
661 | REQUEST(xDamageCreateReq); | |
662 | ||
663 | REQUEST_SIZE_MATCH(xDamageCreateReq); | |
664 | LEGAL_NEW_RESOURCE(stuff->damage, client); | |
665 | rc = dixLookupResourceByClass((void **)&draw, stuff->drawable, XRC_DRAWABLE, | |
666 | client, DixGetAttrAccess | DixReadAccess); | |
667 | if (rc != Success) | |
668 | return rc; | |
669 | ||
670 | if (!(damage = calloc(1, sizeof(PanoramiXDamageRes)))) | |
671 | return BadAlloc; | |
672 | ||
673 | if (!AddResource(stuff->damage, XRT_DAMAGE, damage)) | |
674 | return BadAlloc; | |
675 | ||
676 | damage->ext = doDamageCreate(client, &rc); | |
677 | if (rc == Success && draw->type == XRT_WINDOW) { | |
678 | FOR_NSCREENS_FORWARD(i) { | |
679 | DrawablePtr pDrawable; | |
680 | DamagePtr pDamage = DamageCreate(PanoramiXDamageReport, | |
681 | PanoramiXDamageExtDestroy, | |
682 | DamageReportRawRegion, | |
683 | FALSE, | |
684 | screenInfo.screens[i], | |
685 | damage); | |
686 | if (!pDamage) { | |
687 | rc = BadAlloc; | |
688 | } else { | |
689 | damage->damage[i] = pDamage; | |
690 | rc = dixLookupDrawable(&pDrawable, draw->info[i].id, client, | |
691 | M_WINDOW, | |
692 | DixGetAttrAccess | DixReadAccess); | |
693 | } | |
694 | if (rc != Success) | |
695 | break; | |
696 | ||
697 | DamageExtRegister(pDrawable, pDamage, i != 0); | |
698 | } | |
699 | } | |
700 | ||
701 | if (rc != Success) | |
702 | FreeResource(stuff->damage, RT_NONE); | |
703 | ||
704 | return rc; | |
705 | } | |
706 | ||
707 | static int | |
708 | PanoramiXDamageDelete(void *res, XID id) | |
709 | { | |
710 | int i; | |
711 | PanoramiXDamageRes *damage = res; | |
712 | ||
713 | FOR_NSCREENS_BACKWARD(i) { | |
714 | if (damage->damage[i]) { | |
715 | DamageDestroy(damage->damage[i]); | |
716 | damage->damage[i] = NULL; | |
717 | } | |
718 | } | |
719 | ||
720 | free(damage); | |
721 | return 1; | |
722 | } | |
723 | ||
724 | void | |
725 | PanoramiXDamageInit(void) | |
726 | { | |
727 | XRT_DAMAGE = CreateNewResourceType(PanoramiXDamageDelete, "XineramaDamage"); | |
728 | if (!XRT_DAMAGE) | |
729 | FatalError("Couldn't Xineramify Damage extension\n"); | |
730 | ||
731 | PanoramiXSaveDamageCreate = ProcDamageVector[X_DamageCreate]; | |
732 | ProcDamageVector[X_DamageCreate] = PanoramiXDamageCreate; | |
733 | } | |
734 | ||
735 | void | |
736 | PanoramiXDamageReset(void) | |
737 | { | |
738 | ProcDamageVector[X_DamageCreate] = PanoramiXSaveDamageCreate; | |
739 | } | |
740 | ||
741 | #endif /* PANORAMIX */ | |
742 | ||
743 | void | |
744 | DamageExtensionInit(void) | |
745 | { | |
746 | ExtensionEntry *extEntry; | |
747 | int s; | |
748 | ||
749 | for (s = 0; s < screenInfo.numScreens; s++) | |
750 | DamageSetup(screenInfo.screens[s]); | |
751 | ||
752 | DamageExtType = CreateNewResourceType(FreeDamageExt, "DamageExt"); | |
753 | if (!DamageExtType) | |
754 | return; | |
755 | ||
756 | if (!dixRegisterPrivateKey | |
757 | (&DamageClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(DamageClientRec))) | |
758 | return; | |
759 | ||
760 | if (!AddCallback(&ClientStateCallback, DamageClientCallback, 0)) | |
761 | return; | |
762 | ||
763 | if ((extEntry = AddExtension(DAMAGE_NAME, XDamageNumberEvents, | |
764 | XDamageNumberErrors, | |
765 | ProcDamageDispatch, SProcDamageDispatch, | |
766 | DamageResetProc, StandardMinorOpcode)) != 0) { | |
767 | DamageReqCode = (unsigned char) extEntry->base; | |
768 | DamageEventBase = extEntry->eventBase; | |
769 | EventSwapVector[DamageEventBase + XDamageNotify] = | |
770 | (EventSwapPtr) SDamageNotifyEvent; | |
771 | SetResourceTypeErrorValue(DamageExtType, | |
772 | extEntry->errorBase + BadDamage); | |
773 | #ifdef PANORAMIX | |
774 | if (XRT_DAMAGE) | |
775 | SetResourceTypeErrorValue(XRT_DAMAGE, | |
776 | extEntry->errorBase + BadDamage); | |
777 | #endif | |
778 | } | |
779 | } |