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1 | /************************************************************ |
2 | ||
3 | Copyright 1987, 1989, 1998 The Open Group | |
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. | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | ||
21 | Except as contained in this notice, the name of The Open Group shall not be | |
22 | used in advertising or otherwise to promote the sale, use or other dealings | |
23 | in this Software without prior written authorization from The Open Group. | |
24 | ||
25 | Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts. | |
26 | ||
27 | All Rights Reserved | |
28 | ||
29 | Permission to use, copy, modify, and distribute this software and its | |
30 | documentation for any purpose and without fee is hereby granted, | |
31 | provided that the above copyright notice appear in all copies and that | |
32 | both that copyright notice and this permission notice appear in | |
33 | supporting documentation, and that the name of Digital not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
43 | SOFTWARE. | |
44 | ||
45 | ********************************************************/ | |
46 | ||
47 | /* The panoramix components contained the following notice */ | |
48 | /***************************************************************** | |
49 | ||
50 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. | |
51 | ||
52 | Permission is hereby granted, free of charge, to any person obtaining a copy | |
53 | of this software and associated documentation files (the "Software"), to deal | |
54 | in the Software without restriction, including without limitation the rights | |
55 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
56 | copies of the Software. | |
57 | ||
58 | The above copyright notice and this permission notice shall be included in | |
59 | all copies or substantial portions of the Software. | |
60 | ||
61 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
62 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
63 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
64 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, | |
65 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, | |
66 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR | |
67 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
68 | ||
69 | Except as contained in this notice, the name of Digital Equipment Corporation | |
70 | shall not be used in advertising or otherwise to promote the sale, use or other | |
71 | dealings in this Software without prior written authorization from Digital | |
72 | Equipment Corporation. | |
73 | ||
74 | ******************************************************************/ | |
75 | ||
76 | /* XSERVER_DTRACE additions: | |
77 | * Copyright (c) 2005-2006, Oracle and/or its affiliates. All rights reserved. | |
78 | * | |
79 | * Permission is hereby granted, free of charge, to any person obtaining a | |
80 | * copy of this software and associated documentation files (the "Software"), | |
81 | * to deal in the Software without restriction, including without limitation | |
82 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
83 | * and/or sell copies of the Software, and to permit persons to whom the | |
84 | * Software is furnished to do so, subject to the following conditions: | |
85 | * | |
86 | * The above copyright notice and this permission notice (including the next | |
87 | * paragraph) shall be included in all copies or substantial portions of the | |
88 | * Software. | |
89 | * | |
90 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
91 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
92 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
93 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
94 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
95 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
96 | * DEALINGS IN THE SOFTWARE. | |
97 | */ | |
98 | ||
99 | #ifdef HAVE_DIX_CONFIG_H | |
100 | #include <dix-config.h> | |
101 | #include <version-config.h> | |
102 | #endif | |
103 | ||
104 | #ifdef PANORAMIX_DEBUG | |
105 | #include <stdio.h> | |
106 | int ProcInitialConnection(); | |
107 | #endif | |
108 | ||
109 | #include "windowstr.h" | |
110 | #include <X11/fonts/fontstruct.h> | |
111 | #include "dixfontstr.h" | |
112 | #include "gcstruct.h" | |
113 | #include "selection.h" | |
114 | #include "colormapst.h" | |
115 | #include "cursorstr.h" | |
116 | #include "scrnintstr.h" | |
117 | #include "opaque.h" | |
118 | #include "input.h" | |
119 | #include "servermd.h" | |
120 | #include "extnsionst.h" | |
121 | #include "dixfont.h" | |
122 | #include "dispatch.h" | |
123 | #include "swaprep.h" | |
124 | #include "swapreq.h" | |
125 | #include "privates.h" | |
126 | #include "xace.h" | |
127 | #include "inputstr.h" | |
128 | #include "xkbsrv.h" | |
129 | #include "site.h" | |
130 | #include "client.h" | |
131 | ||
132 | #ifdef XSERVER_DTRACE | |
133 | #include "registry.h" | |
134 | #include <sys/types.h> | |
135 | typedef const char *string; | |
136 | ||
137 | #include "Xserver-dtrace.h" | |
138 | #endif | |
139 | ||
140 | #define mskcnt ((MAXCLIENTS + 31) / 32) | |
141 | #define BITMASK(i) (1U << ((i) & 31)) | |
142 | #define MASKIDX(i) ((i) >> 5) | |
143 | #define MASKWORD(buf, i) buf[MASKIDX(i)] | |
144 | #define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i) | |
145 | #define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i) | |
146 | #define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i)) | |
147 | ||
148 | xConnSetupPrefix connSetupPrefix; | |
149 | ||
150 | PaddingInfo PixmapWidthPaddingInfo[33]; | |
151 | ||
152 | static ClientPtr grabClient; | |
153 | ||
154 | #define GrabNone 0 | |
155 | #define GrabActive 1 | |
156 | #define GrabKickout 2 | |
157 | static int grabState = GrabNone; | |
158 | static long grabWaiters[mskcnt]; | |
159 | CallbackListPtr ServerGrabCallback = NULL; | |
160 | HWEventQueuePtr checkForInput[2]; | |
161 | int connBlockScreenStart; | |
162 | ||
163 | static void KillAllClients(void); | |
164 | ||
165 | static int nextFreeClientID; /* always MIN free client ID */ | |
166 | ||
167 | static int nClients; /* number of authorized clients */ | |
168 | ||
169 | CallbackListPtr ClientStateCallback; | |
170 | ||
171 | /* dispatchException & isItTimeToYield must be declared volatile since they | |
172 | * are modified by signal handlers - otherwise optimizer may assume it doesn't | |
173 | * need to actually check value in memory when used and may miss changes from | |
174 | * signal handlers. | |
175 | */ | |
176 | volatile char dispatchException = 0; | |
177 | volatile char isItTimeToYield; | |
178 | ||
179 | #define SAME_SCREENS(a, b) (\ | |
180 | (a.pScreen == b.pScreen)) | |
181 | ||
182 | void | |
183 | SetInputCheck(HWEventQueuePtr c0, HWEventQueuePtr c1) | |
184 | { | |
185 | checkForInput[0] = c0; | |
186 | checkForInput[1] = c1; | |
187 | } | |
188 | ||
189 | void | |
190 | UpdateCurrentTime(void) | |
191 | { | |
192 | TimeStamp systime; | |
193 | ||
194 | /* To avoid time running backwards, we must call GetTimeInMillis before | |
195 | * calling ProcessInputEvents. | |
196 | */ | |
197 | systime.months = currentTime.months; | |
198 | systime.milliseconds = GetTimeInMillis(); | |
199 | if (systime.milliseconds < currentTime.milliseconds) | |
200 | systime.months++; | |
201 | if (*checkForInput[0] != *checkForInput[1]) | |
202 | ProcessInputEvents(); | |
203 | if (CompareTimeStamps(systime, currentTime) == LATER) | |
204 | currentTime = systime; | |
205 | } | |
206 | ||
207 | /* Like UpdateCurrentTime, but can't call ProcessInputEvents */ | |
208 | void | |
209 | UpdateCurrentTimeIf(void) | |
210 | { | |
211 | TimeStamp systime; | |
212 | ||
213 | systime.months = currentTime.months; | |
214 | systime.milliseconds = GetTimeInMillis(); | |
215 | if (systime.milliseconds < currentTime.milliseconds) | |
216 | systime.months++; | |
217 | if (CompareTimeStamps(systime, currentTime) == LATER) | |
218 | currentTime = systime; | |
219 | } | |
220 | ||
221 | #undef SMART_DEBUG | |
222 | ||
223 | /* in milliseconds */ | |
224 | #define SMART_SCHEDULE_DEFAULT_INTERVAL 5 | |
225 | #define SMART_SCHEDULE_MAX_SLICE 15 | |
226 | ||
227 | #if defined(WIN32) && !defined(__CYGWIN__) | |
228 | Bool SmartScheduleDisable = TRUE; | |
229 | #else | |
230 | Bool SmartScheduleDisable = FALSE; | |
231 | #endif | |
232 | long SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL; | |
233 | long SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL; | |
234 | long SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE; | |
235 | long SmartScheduleTime; | |
236 | int SmartScheduleLatencyLimited = 0; | |
237 | static ClientPtr SmartLastClient; | |
238 | static int SmartLastIndex[SMART_MAX_PRIORITY - SMART_MIN_PRIORITY + 1]; | |
239 | ||
240 | #ifdef SMART_DEBUG | |
241 | long SmartLastPrint; | |
242 | #endif | |
243 | ||
244 | void Dispatch(void); | |
245 | ||
246 | static int | |
247 | SmartScheduleClient(int *clientReady, int nready) | |
248 | { | |
249 | ClientPtr pClient; | |
250 | int i; | |
251 | int client; | |
252 | int bestPrio, best = 0; | |
253 | int bestRobin, robin; | |
254 | long now = SmartScheduleTime; | |
255 | long idle; | |
256 | ||
257 | bestPrio = -0x7fffffff; | |
258 | bestRobin = 0; | |
259 | idle = 2 * SmartScheduleSlice; | |
260 | for (i = 0; i < nready; i++) { | |
261 | client = clientReady[i]; | |
262 | pClient = clients[client]; | |
263 | /* Praise clients which are idle */ | |
264 | if ((now - pClient->smart_check_tick) >= idle) { | |
265 | if (pClient->smart_priority < 0) | |
266 | pClient->smart_priority++; | |
267 | } | |
268 | pClient->smart_check_tick = now; | |
269 | ||
270 | /* check priority to select best client */ | |
271 | robin = | |
272 | (pClient->index - | |
273 | SmartLastIndex[pClient->smart_priority - | |
274 | SMART_MIN_PRIORITY]) & 0xff; | |
275 | if (pClient->smart_priority > bestPrio || | |
276 | (pClient->smart_priority == bestPrio && robin > bestRobin)) { | |
277 | bestPrio = pClient->smart_priority; | |
278 | bestRobin = robin; | |
279 | best = client; | |
280 | } | |
281 | #ifdef SMART_DEBUG | |
282 | if ((now - SmartLastPrint) >= 5000) | |
283 | fprintf(stderr, " %2d: %3d", client, pClient->smart_priority); | |
284 | #endif | |
285 | } | |
286 | #ifdef SMART_DEBUG | |
287 | if ((now - SmartLastPrint) >= 5000) { | |
288 | fprintf(stderr, " use %2d\n", best); | |
289 | SmartLastPrint = now; | |
290 | } | |
291 | #endif | |
292 | pClient = clients[best]; | |
293 | SmartLastIndex[bestPrio - SMART_MIN_PRIORITY] = pClient->index; | |
294 | /* | |
295 | * Set current client pointer | |
296 | */ | |
297 | if (SmartLastClient != pClient) { | |
298 | pClient->smart_start_tick = now; | |
299 | SmartLastClient = pClient; | |
300 | } | |
301 | /* | |
302 | * Adjust slice | |
303 | */ | |
304 | if (nready == 1 && SmartScheduleLatencyLimited == 0) { | |
305 | /* | |
306 | * If it's been a long time since another client | |
307 | * has run, bump the slice up to get maximal | |
308 | * performance from a single client | |
309 | */ | |
310 | if ((now - pClient->smart_start_tick) > 1000 && | |
311 | SmartScheduleSlice < SmartScheduleMaxSlice) { | |
312 | SmartScheduleSlice += SmartScheduleInterval; | |
313 | } | |
314 | } | |
315 | else { | |
316 | SmartScheduleSlice = SmartScheduleInterval; | |
317 | } | |
318 | return best; | |
319 | } | |
320 | ||
321 | void | |
322 | EnableLimitedSchedulingLatency(void) | |
323 | { | |
324 | ++SmartScheduleLatencyLimited; | |
325 | SmartScheduleSlice = SmartScheduleInterval; | |
326 | } | |
327 | ||
328 | void | |
329 | DisableLimitedSchedulingLatency(void) | |
330 | { | |
331 | --SmartScheduleLatencyLimited; | |
332 | ||
333 | /* protect against bugs */ | |
334 | if (SmartScheduleLatencyLimited < 0) | |
335 | SmartScheduleLatencyLimited = 0; | |
336 | } | |
337 | ||
338 | void | |
339 | Dispatch(void) | |
340 | { | |
341 | int *clientReady; /* array of request ready clients */ | |
342 | int result; | |
343 | ClientPtr client; | |
344 | int nready; | |
345 | HWEventQueuePtr *icheck = checkForInput; | |
346 | long start_tick; | |
347 | ||
348 | nextFreeClientID = 1; | |
349 | nClients = 0; | |
350 | ||
351 | clientReady = malloc(sizeof(int) * MaxClients); | |
352 | if (!clientReady) | |
353 | return; | |
354 | ||
355 | SmartScheduleSlice = SmartScheduleInterval; | |
356 | while (!dispatchException) { | |
357 | if (*icheck[0] != *icheck[1]) { | |
358 | ProcessInputEvents(); | |
359 | FlushIfCriticalOutputPending(); | |
360 | } | |
361 | ||
362 | nready = WaitForSomething(clientReady); | |
363 | ||
364 | if (nready && !SmartScheduleDisable) { | |
365 | clientReady[0] = SmartScheduleClient(clientReady, nready); | |
366 | nready = 1; | |
367 | } | |
368 | /***************** | |
369 | * Handle events in round robin fashion, doing input between | |
370 | * each round | |
371 | *****************/ | |
372 | ||
373 | while (!dispatchException && (--nready >= 0)) { | |
374 | client = clients[clientReady[nready]]; | |
375 | if (!client) { | |
376 | /* KillClient can cause this to happen */ | |
377 | continue; | |
378 | } | |
379 | /* GrabServer activation can cause this to be true */ | |
380 | if (grabState == GrabKickout) { | |
381 | grabState = GrabActive; | |
382 | break; | |
383 | } | |
384 | isItTimeToYield = FALSE; | |
385 | ||
386 | start_tick = SmartScheduleTime; | |
387 | while (!isItTimeToYield) { | |
388 | if (*icheck[0] != *icheck[1]) | |
389 | ProcessInputEvents(); | |
390 | ||
391 | FlushIfCriticalOutputPending(); | |
392 | if (!SmartScheduleDisable && | |
393 | (SmartScheduleTime - start_tick) >= SmartScheduleSlice) { | |
394 | /* Penalize clients which consume ticks */ | |
395 | if (client->smart_priority > SMART_MIN_PRIORITY) | |
396 | client->smart_priority--; | |
397 | break; | |
398 | } | |
399 | /* now, finally, deal with client requests */ | |
400 | ||
401 | /* Update currentTime so request time checks, such as for input | |
402 | * device grabs, are calculated correctly */ | |
403 | UpdateCurrentTimeIf(); | |
404 | result = ReadRequestFromClient(client); | |
405 | if (result <= 0) { | |
406 | if (result < 0) | |
407 | CloseDownClient(client); | |
408 | break; | |
409 | } | |
410 | ||
411 | client->sequence++; | |
412 | client->majorOp = ((xReq *) client->requestBuffer)->reqType; | |
413 | client->minorOp = 0; | |
414 | if (client->majorOp >= EXTENSION_BASE) { | |
415 | ExtensionEntry *ext = GetExtensionEntry(client->majorOp); | |
416 | ||
417 | if (ext) | |
418 | client->minorOp = ext->MinorOpcode(client); | |
419 | } | |
420 | #ifdef XSERVER_DTRACE | |
421 | if (XSERVER_REQUEST_START_ENABLED()) | |
422 | XSERVER_REQUEST_START(LookupMajorName(client->majorOp), | |
423 | client->majorOp, | |
424 | ((xReq *) client->requestBuffer)->length, | |
425 | client->index, | |
426 | client->requestBuffer); | |
427 | #endif | |
428 | if (result > (maxBigRequestSize << 2)) | |
429 | result = BadLength; | |
430 | else { | |
431 | result = XaceHookDispatch(client, client->majorOp); | |
432 | if (result == Success) | |
433 | result = | |
434 | (*client->requestVector[client->majorOp]) (client); | |
435 | XaceHookAuditEnd(client, result); | |
436 | } | |
437 | #ifdef XSERVER_DTRACE | |
438 | if (XSERVER_REQUEST_DONE_ENABLED()) | |
439 | XSERVER_REQUEST_DONE(LookupMajorName(client->majorOp), | |
440 | client->majorOp, client->sequence, | |
441 | client->index, result); | |
442 | #endif | |
443 | ||
444 | if (client->noClientException != Success) { | |
445 | CloseDownClient(client); | |
446 | break; | |
447 | } | |
448 | else if (result != Success) { | |
449 | SendErrorToClient(client, client->majorOp, | |
450 | client->minorOp, | |
451 | client->errorValue, result); | |
452 | break; | |
453 | } | |
454 | } | |
455 | FlushAllOutput(); | |
456 | client = clients[clientReady[nready]]; | |
457 | if (client) | |
458 | client->smart_stop_tick = SmartScheduleTime; | |
459 | } | |
460 | dispatchException &= ~DE_PRIORITYCHANGE; | |
461 | } | |
462 | #if defined(DDXBEFORERESET) | |
463 | ddxBeforeReset(); | |
464 | #endif | |
465 | KillAllClients(); | |
466 | free(clientReady); | |
467 | dispatchException &= ~DE_RESET; | |
468 | SmartScheduleLatencyLimited = 0; | |
469 | ResetOsBuffers(); | |
470 | } | |
471 | ||
472 | static int VendorRelease = VENDOR_RELEASE; | |
473 | static char *VendorString = VENDOR_NAME; | |
474 | ||
475 | void | |
476 | SetVendorRelease(int release) | |
477 | { | |
478 | VendorRelease = release; | |
479 | } | |
480 | ||
481 | void | |
482 | SetVendorString(char *string) | |
483 | { | |
484 | VendorString = string; | |
485 | } | |
486 | ||
487 | Bool | |
488 | CreateConnectionBlock(void) | |
489 | { | |
490 | xConnSetup setup; | |
491 | xWindowRoot root; | |
492 | xDepth depth; | |
493 | xVisualType visual; | |
494 | xPixmapFormat format; | |
495 | unsigned long vid; | |
496 | int i, j, k, lenofblock, sizesofar = 0; | |
497 | char *pBuf; | |
498 | ||
499 | memset(&setup, 0, sizeof(xConnSetup)); | |
500 | /* Leave off the ridBase and ridMask, these must be sent with | |
501 | connection */ | |
502 | ||
503 | setup.release = VendorRelease; | |
504 | /* | |
505 | * per-server image and bitmap parameters are defined in Xmd.h | |
506 | */ | |
507 | setup.imageByteOrder = screenInfo.imageByteOrder; | |
508 | ||
509 | setup.bitmapScanlineUnit = screenInfo.bitmapScanlineUnit; | |
510 | setup.bitmapScanlinePad = screenInfo.bitmapScanlinePad; | |
511 | ||
512 | setup.bitmapBitOrder = screenInfo.bitmapBitOrder; | |
513 | setup.motionBufferSize = NumMotionEvents(); | |
514 | setup.numRoots = screenInfo.numScreens; | |
515 | setup.nbytesVendor = strlen(VendorString); | |
516 | setup.numFormats = screenInfo.numPixmapFormats; | |
517 | setup.maxRequestSize = MAX_REQUEST_SIZE; | |
518 | QueryMinMaxKeyCodes(&setup.minKeyCode, &setup.maxKeyCode); | |
519 | ||
520 | lenofblock = sizeof(xConnSetup) + | |
521 | pad_to_int32(setup.nbytesVendor) + | |
522 | (setup.numFormats * sizeof(xPixmapFormat)) + | |
523 | (setup.numRoots * sizeof(xWindowRoot)); | |
524 | ConnectionInfo = malloc(lenofblock); | |
525 | if (!ConnectionInfo) | |
526 | return FALSE; | |
527 | ||
528 | memmove(ConnectionInfo, (char *) &setup, sizeof(xConnSetup)); | |
529 | sizesofar = sizeof(xConnSetup); | |
530 | pBuf = ConnectionInfo + sizeof(xConnSetup); | |
531 | ||
532 | memmove(pBuf, VendorString, (int) setup.nbytesVendor); | |
533 | sizesofar += setup.nbytesVendor; | |
534 | pBuf += setup.nbytesVendor; | |
535 | i = padding_for_int32(setup.nbytesVendor); | |
536 | sizesofar += i; | |
537 | while (--i >= 0) | |
538 | *pBuf++ = 0; | |
539 | ||
540 | memset(&format, 0, sizeof(xPixmapFormat)); | |
541 | for (i = 0; i < screenInfo.numPixmapFormats; i++) { | |
542 | format.depth = screenInfo.formats[i].depth; | |
543 | format.bitsPerPixel = screenInfo.formats[i].bitsPerPixel; | |
544 | format.scanLinePad = screenInfo.formats[i].scanlinePad; | |
545 | memmove(pBuf, (char *) &format, sizeof(xPixmapFormat)); | |
546 | pBuf += sizeof(xPixmapFormat); | |
547 | sizesofar += sizeof(xPixmapFormat); | |
548 | } | |
549 | ||
550 | connBlockScreenStart = sizesofar; | |
551 | memset(&depth, 0, sizeof(xDepth)); | |
552 | memset(&visual, 0, sizeof(xVisualType)); | |
553 | for (i = 0; i < screenInfo.numScreens; i++) { | |
554 | ScreenPtr pScreen; | |
555 | DepthPtr pDepth; | |
556 | VisualPtr pVisual; | |
557 | ||
558 | pScreen = screenInfo.screens[i]; | |
559 | root.windowId = pScreen->root->drawable.id; | |
560 | root.defaultColormap = pScreen->defColormap; | |
561 | root.whitePixel = pScreen->whitePixel; | |
562 | root.blackPixel = pScreen->blackPixel; | |
563 | root.currentInputMask = 0; /* filled in when sent */ | |
564 | root.pixWidth = pScreen->width; | |
565 | root.pixHeight = pScreen->height; | |
566 | root.mmWidth = pScreen->mmWidth; | |
567 | root.mmHeight = pScreen->mmHeight; | |
568 | root.minInstalledMaps = pScreen->minInstalledCmaps; | |
569 | root.maxInstalledMaps = pScreen->maxInstalledCmaps; | |
570 | root.rootVisualID = pScreen->rootVisual; | |
571 | root.backingStore = pScreen->backingStoreSupport; | |
572 | root.saveUnders = FALSE; | |
573 | root.rootDepth = pScreen->rootDepth; | |
574 | root.nDepths = pScreen->numDepths; | |
575 | memmove(pBuf, (char *) &root, sizeof(xWindowRoot)); | |
576 | sizesofar += sizeof(xWindowRoot); | |
577 | pBuf += sizeof(xWindowRoot); | |
578 | ||
579 | pDepth = pScreen->allowedDepths; | |
580 | for (j = 0; j < pScreen->numDepths; j++, pDepth++) { | |
581 | lenofblock += sizeof(xDepth) + | |
582 | (pDepth->numVids * sizeof(xVisualType)); | |
583 | pBuf = (char *) realloc(ConnectionInfo, lenofblock); | |
584 | if (!pBuf) { | |
585 | free(ConnectionInfo); | |
586 | return FALSE; | |
587 | } | |
588 | ConnectionInfo = pBuf; | |
589 | pBuf += sizesofar; | |
590 | depth.depth = pDepth->depth; | |
591 | depth.nVisuals = pDepth->numVids; | |
592 | memmove(pBuf, (char *) &depth, sizeof(xDepth)); | |
593 | pBuf += sizeof(xDepth); | |
594 | sizesofar += sizeof(xDepth); | |
595 | for (k = 0; k < pDepth->numVids; k++) { | |
596 | vid = pDepth->vids[k]; | |
597 | for (pVisual = pScreen->visuals; | |
598 | pVisual->vid != vid; pVisual++); | |
599 | visual.visualID = vid; | |
600 | visual.class = pVisual->class; | |
601 | visual.bitsPerRGB = pVisual->bitsPerRGBValue; | |
602 | visual.colormapEntries = pVisual->ColormapEntries; | |
603 | visual.redMask = pVisual->redMask; | |
604 | visual.greenMask = pVisual->greenMask; | |
605 | visual.blueMask = pVisual->blueMask; | |
606 | memmove(pBuf, (char *) &visual, sizeof(xVisualType)); | |
607 | pBuf += sizeof(xVisualType); | |
608 | sizesofar += sizeof(xVisualType); | |
609 | } | |
610 | } | |
611 | } | |
612 | connSetupPrefix.success = xTrue; | |
613 | connSetupPrefix.length = lenofblock / 4; | |
614 | connSetupPrefix.majorVersion = X_PROTOCOL; | |
615 | connSetupPrefix.minorVersion = X_PROTOCOL_REVISION; | |
616 | return TRUE; | |
617 | } | |
618 | ||
619 | int | |
620 | ProcBadRequest(ClientPtr client) | |
621 | { | |
622 | return BadRequest; | |
623 | } | |
624 | ||
625 | int | |
626 | ProcCreateWindow(ClientPtr client) | |
627 | { | |
628 | WindowPtr pParent, pWin; | |
629 | ||
630 | REQUEST(xCreateWindowReq); | |
631 | int len, rc; | |
632 | ||
633 | REQUEST_AT_LEAST_SIZE(xCreateWindowReq); | |
634 | ||
635 | LEGAL_NEW_RESOURCE(stuff->wid, client); | |
636 | rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess); | |
637 | if (rc != Success) | |
638 | return rc; | |
639 | len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq)); | |
640 | if (Ones(stuff->mask) != len) | |
641 | return BadLength; | |
642 | if (!stuff->width || !stuff->height) { | |
643 | client->errorValue = 0; | |
644 | return BadValue; | |
645 | } | |
646 | pWin = CreateWindow(stuff->wid, pParent, stuff->x, | |
647 | stuff->y, stuff->width, stuff->height, | |
648 | stuff->borderWidth, stuff->class, | |
649 | stuff->mask, (XID *) &stuff[1], | |
650 | (int) stuff->depth, client, stuff->visual, &rc); | |
651 | if (pWin) { | |
652 | Mask mask = pWin->eventMask; | |
653 | ||
654 | pWin->eventMask = 0; /* subterfuge in case AddResource fails */ | |
655 | if (!AddResource(stuff->wid, RT_WINDOW, (pointer) pWin)) | |
656 | return BadAlloc; | |
657 | pWin->eventMask = mask; | |
658 | } | |
659 | return rc; | |
660 | } | |
661 | ||
662 | int | |
663 | ProcChangeWindowAttributes(ClientPtr client) | |
664 | { | |
665 | WindowPtr pWin; | |
666 | ||
667 | REQUEST(xChangeWindowAttributesReq); | |
668 | int len, rc; | |
669 | Mask access_mode = 0; | |
670 | ||
671 | REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); | |
672 | access_mode |= (stuff->valueMask & CWEventMask) ? DixReceiveAccess : 0; | |
673 | access_mode |= (stuff->valueMask & ~CWEventMask) ? DixSetAttrAccess : 0; | |
674 | rc = dixLookupWindow(&pWin, stuff->window, client, access_mode); | |
675 | if (rc != Success) | |
676 | return rc; | |
677 | len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq)); | |
678 | if (len != Ones(stuff->valueMask)) | |
679 | return BadLength; | |
680 | return ChangeWindowAttributes(pWin, | |
681 | stuff->valueMask, (XID *) &stuff[1], client); | |
682 | } | |
683 | ||
684 | int | |
685 | ProcGetWindowAttributes(ClientPtr client) | |
686 | { | |
687 | WindowPtr pWin; | |
688 | ||
689 | REQUEST(xResourceReq); | |
690 | xGetWindowAttributesReply wa; | |
691 | int rc; | |
692 | ||
693 | REQUEST_SIZE_MATCH(xResourceReq); | |
694 | rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); | |
695 | if (rc != Success) | |
696 | return rc; | |
697 | memset(&wa, 0, sizeof(xGetWindowAttributesReply)); | |
698 | GetWindowAttributes(pWin, client, &wa); | |
699 | WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa); | |
700 | return Success; | |
701 | } | |
702 | ||
703 | int | |
704 | ProcDestroyWindow(ClientPtr client) | |
705 | { | |
706 | WindowPtr pWin; | |
707 | ||
708 | REQUEST(xResourceReq); | |
709 | int rc; | |
710 | ||
711 | REQUEST_SIZE_MATCH(xResourceReq); | |
712 | rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess); | |
713 | if (rc != Success) | |
714 | return rc; | |
715 | if (pWin->parent) { | |
716 | rc = dixLookupWindow(&pWin, pWin->parent->drawable.id, client, | |
717 | DixRemoveAccess); | |
718 | if (rc != Success) | |
719 | return rc; | |
720 | FreeResource(stuff->id, RT_NONE); | |
721 | } | |
722 | return Success; | |
723 | } | |
724 | ||
725 | int | |
726 | ProcDestroySubwindows(ClientPtr client) | |
727 | { | |
728 | WindowPtr pWin; | |
729 | ||
730 | REQUEST(xResourceReq); | |
731 | int rc; | |
732 | ||
733 | REQUEST_SIZE_MATCH(xResourceReq); | |
734 | rc = dixLookupWindow(&pWin, stuff->id, client, DixRemoveAccess); | |
735 | if (rc != Success) | |
736 | return rc; | |
737 | DestroySubwindows(pWin, client); | |
738 | return Success; | |
739 | } | |
740 | ||
741 | int | |
742 | ProcChangeSaveSet(ClientPtr client) | |
743 | { | |
744 | WindowPtr pWin; | |
745 | ||
746 | REQUEST(xChangeSaveSetReq); | |
747 | int rc; | |
748 | ||
749 | REQUEST_SIZE_MATCH(xChangeSaveSetReq); | |
750 | rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); | |
751 | if (rc != Success) | |
752 | return rc; | |
753 | if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id))) | |
754 | return BadMatch; | |
755 | if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete)) | |
756 | return AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE); | |
757 | client->errorValue = stuff->mode; | |
758 | return BadValue; | |
759 | } | |
760 | ||
761 | int | |
762 | ProcReparentWindow(ClientPtr client) | |
763 | { | |
764 | WindowPtr pWin, pParent; | |
765 | ||
766 | REQUEST(xReparentWindowReq); | |
767 | int rc; | |
768 | ||
769 | REQUEST_SIZE_MATCH(xReparentWindowReq); | |
770 | rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); | |
771 | if (rc != Success) | |
772 | return rc; | |
773 | rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess); | |
774 | if (rc != Success) | |
775 | return rc; | |
776 | if (!SAME_SCREENS(pWin->drawable, pParent->drawable)) | |
777 | return BadMatch; | |
778 | if ((pWin->backgroundState == ParentRelative) && | |
779 | (pParent->drawable.depth != pWin->drawable.depth)) | |
780 | return BadMatch; | |
781 | if ((pWin->drawable.class != InputOnly) && | |
782 | (pParent->drawable.class == InputOnly)) | |
783 | return BadMatch; | |
784 | return ReparentWindow(pWin, pParent, | |
785 | (short) stuff->x, (short) stuff->y, client); | |
786 | } | |
787 | ||
788 | int | |
789 | ProcMapWindow(ClientPtr client) | |
790 | { | |
791 | WindowPtr pWin; | |
792 | ||
793 | REQUEST(xResourceReq); | |
794 | int rc; | |
795 | ||
796 | REQUEST_SIZE_MATCH(xResourceReq); | |
797 | rc = dixLookupWindow(&pWin, stuff->id, client, DixShowAccess); | |
798 | if (rc != Success) | |
799 | return rc; | |
800 | MapWindow(pWin, client); | |
801 | /* update cache to say it is mapped */ | |
802 | return Success; | |
803 | } | |
804 | ||
805 | int | |
806 | ProcMapSubwindows(ClientPtr client) | |
807 | { | |
808 | WindowPtr pWin; | |
809 | ||
810 | REQUEST(xResourceReq); | |
811 | int rc; | |
812 | ||
813 | REQUEST_SIZE_MATCH(xResourceReq); | |
814 | rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); | |
815 | if (rc != Success) | |
816 | return rc; | |
817 | MapSubwindows(pWin, client); | |
818 | /* update cache to say it is mapped */ | |
819 | return Success; | |
820 | } | |
821 | ||
822 | int | |
823 | ProcUnmapWindow(ClientPtr client) | |
824 | { | |
825 | WindowPtr pWin; | |
826 | ||
827 | REQUEST(xResourceReq); | |
828 | int rc; | |
829 | ||
830 | REQUEST_SIZE_MATCH(xResourceReq); | |
831 | rc = dixLookupWindow(&pWin, stuff->id, client, DixHideAccess); | |
832 | if (rc != Success) | |
833 | return rc; | |
834 | UnmapWindow(pWin, FALSE); | |
835 | /* update cache to say it is mapped */ | |
836 | return Success; | |
837 | } | |
838 | ||
839 | int | |
840 | ProcUnmapSubwindows(ClientPtr client) | |
841 | { | |
842 | WindowPtr pWin; | |
843 | ||
844 | REQUEST(xResourceReq); | |
845 | int rc; | |
846 | ||
847 | REQUEST_SIZE_MATCH(xResourceReq); | |
848 | rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); | |
849 | if (rc != Success) | |
850 | return rc; | |
851 | UnmapSubwindows(pWin); | |
852 | return Success; | |
853 | } | |
854 | ||
855 | int | |
856 | ProcConfigureWindow(ClientPtr client) | |
857 | { | |
858 | WindowPtr pWin; | |
859 | ||
860 | REQUEST(xConfigureWindowReq); | |
861 | int len, rc; | |
862 | ||
863 | REQUEST_AT_LEAST_SIZE(xConfigureWindowReq); | |
864 | rc = dixLookupWindow(&pWin, stuff->window, client, | |
865 | DixManageAccess | DixSetAttrAccess); | |
866 | if (rc != Success) | |
867 | return rc; | |
868 | len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq)); | |
869 | if (Ones((Mask) stuff->mask) != len) | |
870 | return BadLength; | |
871 | return ConfigureWindow(pWin, (Mask) stuff->mask, (XID *) &stuff[1], client); | |
872 | } | |
873 | ||
874 | int | |
875 | ProcCirculateWindow(ClientPtr client) | |
876 | { | |
877 | WindowPtr pWin; | |
878 | ||
879 | REQUEST(xCirculateWindowReq); | |
880 | int rc; | |
881 | ||
882 | REQUEST_SIZE_MATCH(xCirculateWindowReq); | |
883 | if ((stuff->direction != RaiseLowest) && (stuff->direction != LowerHighest)) { | |
884 | client->errorValue = stuff->direction; | |
885 | return BadValue; | |
886 | } | |
887 | rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); | |
888 | if (rc != Success) | |
889 | return rc; | |
890 | CirculateWindow(pWin, (int) stuff->direction, client); | |
891 | return Success; | |
892 | } | |
893 | ||
894 | static int | |
895 | GetGeometry(ClientPtr client, xGetGeometryReply * rep) | |
896 | { | |
897 | DrawablePtr pDraw; | |
898 | int rc; | |
899 | ||
900 | REQUEST(xResourceReq); | |
901 | REQUEST_SIZE_MATCH(xResourceReq); | |
902 | ||
903 | rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess); | |
904 | if (rc != Success) | |
905 | return rc; | |
906 | ||
907 | rep->type = X_Reply; | |
908 | rep->length = 0; | |
909 | rep->sequenceNumber = client->sequence; | |
910 | rep->root = pDraw->pScreen->root->drawable.id; | |
911 | rep->depth = pDraw->depth; | |
912 | rep->width = pDraw->width; | |
913 | rep->height = pDraw->height; | |
914 | ||
915 | if (WindowDrawable(pDraw->type)) { | |
916 | WindowPtr pWin = (WindowPtr) pDraw; | |
917 | ||
918 | rep->x = pWin->origin.x - wBorderWidth(pWin); | |
919 | rep->y = pWin->origin.y - wBorderWidth(pWin); | |
920 | rep->borderWidth = pWin->borderWidth; | |
921 | } | |
922 | else { /* DRAWABLE_PIXMAP */ | |
923 | ||
924 | rep->x = rep->y = rep->borderWidth = 0; | |
925 | } | |
926 | ||
927 | return Success; | |
928 | } | |
929 | ||
930 | int | |
931 | ProcGetGeometry(ClientPtr client) | |
932 | { | |
933 | xGetGeometryReply rep = { .type = X_Reply }; | |
934 | int status; | |
935 | ||
936 | if ((status = GetGeometry(client, &rep)) != Success) | |
937 | return status; | |
938 | ||
939 | WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep); | |
940 | return Success; | |
941 | } | |
942 | ||
943 | int | |
944 | ProcQueryTree(ClientPtr client) | |
945 | { | |
946 | xQueryTreeReply reply; | |
947 | int rc, numChildren = 0; | |
948 | WindowPtr pChild, pWin, pHead; | |
949 | Window *childIDs = (Window *) NULL; | |
950 | ||
951 | REQUEST(xResourceReq); | |
952 | ||
953 | REQUEST_SIZE_MATCH(xResourceReq); | |
954 | rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); | |
955 | if (rc != Success) | |
956 | return rc; | |
957 | ||
958 | reply = (xQueryTreeReply) { | |
959 | .type = X_Reply, | |
960 | .sequenceNumber = client->sequence, | |
961 | .root = pWin->drawable.pScreen->root->drawable.id, | |
962 | .parent = (pWin->parent) ? pWin->parent->drawable.id : (Window) None | |
963 | }; | |
964 | pHead = RealChildHead(pWin); | |
965 | for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib) | |
966 | numChildren++; | |
967 | if (numChildren) { | |
968 | int curChild = 0; | |
969 | ||
970 | childIDs = malloc(numChildren * sizeof(Window)); | |
971 | if (!childIDs) | |
972 | return BadAlloc; | |
973 | for (pChild = pWin->lastChild; pChild != pHead; | |
974 | pChild = pChild->prevSib) | |
975 | childIDs[curChild++] = pChild->drawable.id; | |
976 | } | |
977 | ||
978 | reply.nChildren = numChildren; | |
979 | reply.length = bytes_to_int32(numChildren * sizeof(Window)); | |
980 | ||
981 | WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply); | |
982 | if (numChildren) { | |
983 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |
984 | WriteSwappedDataToClient(client, numChildren * sizeof(Window), | |
985 | childIDs); | |
986 | free(childIDs); | |
987 | } | |
988 | ||
989 | return Success; | |
990 | } | |
991 | ||
992 | int | |
993 | ProcInternAtom(ClientPtr client) | |
994 | { | |
995 | Atom atom; | |
996 | char *tchar; | |
997 | ||
998 | REQUEST(xInternAtomReq); | |
999 | ||
1000 | REQUEST_FIXED_SIZE(xInternAtomReq, stuff->nbytes); | |
1001 | if ((stuff->onlyIfExists != xTrue) && (stuff->onlyIfExists != xFalse)) { | |
1002 | client->errorValue = stuff->onlyIfExists; | |
1003 | return BadValue; | |
1004 | } | |
1005 | tchar = (char *) &stuff[1]; | |
1006 | atom = MakeAtom(tchar, stuff->nbytes, !stuff->onlyIfExists); | |
1007 | if (atom != BAD_RESOURCE) { | |
1008 | xInternAtomReply reply = { | |
1009 | .type = X_Reply, | |
1010 | .sequenceNumber = client->sequence, | |
1011 | .length = 0, | |
1012 | .atom = atom | |
1013 | }; | |
1014 | WriteReplyToClient(client, sizeof(xInternAtomReply), &reply); | |
1015 | return Success; | |
1016 | } | |
1017 | else | |
1018 | return BadAlloc; | |
1019 | } | |
1020 | ||
1021 | int | |
1022 | ProcGetAtomName(ClientPtr client) | |
1023 | { | |
1024 | const char *str; | |
1025 | ||
1026 | REQUEST(xResourceReq); | |
1027 | ||
1028 | REQUEST_SIZE_MATCH(xResourceReq); | |
1029 | if ((str = NameForAtom(stuff->id))) { | |
1030 | int len = strlen(str); | |
1031 | xGetAtomNameReply reply = { | |
1032 | .type = X_Reply, | |
1033 | .sequenceNumber = client->sequence, | |
1034 | .length = bytes_to_int32(len), | |
1035 | .nameLength = len | |
1036 | }; | |
1037 | ||
1038 | WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply); | |
1039 | WriteToClient(client, len, str); | |
1040 | return Success; | |
1041 | } | |
1042 | else { | |
1043 | client->errorValue = stuff->id; | |
1044 | return BadAtom; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | int | |
1049 | ProcGrabServer(ClientPtr client) | |
1050 | { | |
1051 | int rc; | |
1052 | ||
1053 | REQUEST_SIZE_MATCH(xReq); | |
1054 | if (grabState != GrabNone && client != grabClient) { | |
1055 | ResetCurrentRequest(client); | |
1056 | client->sequence--; | |
1057 | BITSET(grabWaiters, client->index); | |
1058 | IgnoreClient(client); | |
1059 | return Success; | |
1060 | } | |
1061 | rc = OnlyListenToOneClient(client); | |
1062 | if (rc != Success) | |
1063 | return rc; | |
1064 | grabState = GrabKickout; | |
1065 | grabClient = client; | |
1066 | ||
1067 | if (ServerGrabCallback) { | |
1068 | ServerGrabInfoRec grabinfo; | |
1069 | ||
1070 | grabinfo.client = client; | |
1071 | grabinfo.grabstate = SERVER_GRABBED; | |
1072 | CallCallbacks(&ServerGrabCallback, (pointer) &grabinfo); | |
1073 | } | |
1074 | ||
1075 | return Success; | |
1076 | } | |
1077 | ||
1078 | static void | |
1079 | UngrabServer(ClientPtr client) | |
1080 | { | |
1081 | int i; | |
1082 | ||
1083 | grabState = GrabNone; | |
1084 | ListenToAllClients(); | |
1085 | for (i = mskcnt; --i >= 0 && !grabWaiters[i];); | |
1086 | if (i >= 0) { | |
1087 | i <<= 5; | |
1088 | while (!GETBIT(grabWaiters, i)) | |
1089 | i++; | |
1090 | BITCLEAR(grabWaiters, i); | |
1091 | AttendClient(clients[i]); | |
1092 | } | |
1093 | ||
1094 | if (ServerGrabCallback) { | |
1095 | ServerGrabInfoRec grabinfo; | |
1096 | ||
1097 | grabinfo.client = client; | |
1098 | grabinfo.grabstate = SERVER_UNGRABBED; | |
1099 | CallCallbacks(&ServerGrabCallback, (pointer) &grabinfo); | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | int | |
1104 | ProcUngrabServer(ClientPtr client) | |
1105 | { | |
1106 | REQUEST_SIZE_MATCH(xReq); | |
1107 | UngrabServer(client); | |
1108 | return Success; | |
1109 | } | |
1110 | ||
1111 | int | |
1112 | ProcTranslateCoords(ClientPtr client) | |
1113 | { | |
1114 | REQUEST(xTranslateCoordsReq); | |
1115 | ||
1116 | WindowPtr pWin, pDst; | |
1117 | xTranslateCoordsReply rep; | |
1118 | int rc; | |
1119 | ||
1120 | REQUEST_SIZE_MATCH(xTranslateCoordsReq); | |
1121 | rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixGetAttrAccess); | |
1122 | if (rc != Success) | |
1123 | return rc; | |
1124 | rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixGetAttrAccess); | |
1125 | if (rc != Success) | |
1126 | return rc; | |
1127 | ||
1128 | rep = (xTranslateCoordsReply) { | |
1129 | .type = X_Reply, | |
1130 | .sequenceNumber = client->sequence, | |
1131 | .length = 0 | |
1132 | }; | |
1133 | if (!SAME_SCREENS(pWin->drawable, pDst->drawable)) { | |
1134 | rep.sameScreen = xFalse; | |
1135 | rep.child = None; | |
1136 | rep.dstX = rep.dstY = 0; | |
1137 | } | |
1138 | else { | |
1139 | INT16 x, y; | |
1140 | ||
1141 | rep.sameScreen = xTrue; | |
1142 | rep.child = None; | |
1143 | /* computing absolute coordinates -- adjust to destination later */ | |
1144 | x = pWin->drawable.x + stuff->srcX; | |
1145 | y = pWin->drawable.y + stuff->srcY; | |
1146 | pWin = pDst->firstChild; | |
1147 | while (pWin) { | |
1148 | BoxRec box; | |
1149 | ||
1150 | if ((pWin->mapped) && | |
1151 | (x >= pWin->drawable.x - wBorderWidth(pWin)) && | |
1152 | (x < pWin->drawable.x + (int) pWin->drawable.width + | |
1153 | wBorderWidth(pWin)) && | |
1154 | (y >= pWin->drawable.y - wBorderWidth(pWin)) && | |
1155 | (y < pWin->drawable.y + (int) pWin->drawable.height + | |
1156 | wBorderWidth(pWin)) | |
1157 | /* When a window is shaped, a further check | |
1158 | * is made to see if the point is inside | |
1159 | * borderSize | |
1160 | */ | |
1161 | && (!wBoundingShape(pWin) || | |
1162 | RegionContainsPoint(&pWin->borderSize, x, y, &box)) | |
1163 | ||
1164 | && (!wInputShape(pWin) || | |
1165 | RegionContainsPoint(wInputShape(pWin), | |
1166 | x - pWin->drawable.x, | |
1167 | y - pWin->drawable.y, &box)) | |
1168 | ) { | |
1169 | rep.child = pWin->drawable.id; | |
1170 | pWin = (WindowPtr) NULL; | |
1171 | } | |
1172 | else | |
1173 | pWin = pWin->nextSib; | |
1174 | } | |
1175 | /* adjust to destination coordinates */ | |
1176 | rep.dstX = x - pDst->drawable.x; | |
1177 | rep.dstY = y - pDst->drawable.y; | |
1178 | } | |
1179 | WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep); | |
1180 | return Success; | |
1181 | } | |
1182 | ||
1183 | int | |
1184 | ProcOpenFont(ClientPtr client) | |
1185 | { | |
1186 | int err; | |
1187 | ||
1188 | REQUEST(xOpenFontReq); | |
1189 | ||
1190 | REQUEST_FIXED_SIZE(xOpenFontReq, stuff->nbytes); | |
1191 | client->errorValue = stuff->fid; | |
1192 | LEGAL_NEW_RESOURCE(stuff->fid, client); | |
1193 | err = OpenFont(client, stuff->fid, (Mask) 0, | |
1194 | stuff->nbytes, (char *) &stuff[1]); | |
1195 | if (err == Success) { | |
1196 | return Success; | |
1197 | } | |
1198 | else | |
1199 | return err; | |
1200 | } | |
1201 | ||
1202 | int | |
1203 | ProcCloseFont(ClientPtr client) | |
1204 | { | |
1205 | FontPtr pFont; | |
1206 | int rc; | |
1207 | ||
1208 | REQUEST(xResourceReq); | |
1209 | ||
1210 | REQUEST_SIZE_MATCH(xResourceReq); | |
1211 | rc = dixLookupResourceByType((pointer *) &pFont, stuff->id, RT_FONT, | |
1212 | client, DixDestroyAccess); | |
1213 | if (rc == Success) { | |
1214 | FreeResource(stuff->id, RT_NONE); | |
1215 | return Success; | |
1216 | } | |
1217 | else { | |
1218 | client->errorValue = stuff->id; | |
1219 | return rc; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | int | |
1224 | ProcQueryFont(ClientPtr client) | |
1225 | { | |
1226 | xQueryFontReply *reply; | |
1227 | FontPtr pFont; | |
1228 | int rc; | |
1229 | ||
1230 | REQUEST(xResourceReq); | |
1231 | REQUEST_SIZE_MATCH(xResourceReq); | |
1232 | ||
1233 | rc = dixLookupFontable(&pFont, stuff->id, client, DixGetAttrAccess); | |
1234 | if (rc != Success) | |
1235 | return rc; | |
1236 | ||
1237 | { | |
1238 | xCharInfo *pmax = FONTINKMAX(pFont); | |
1239 | xCharInfo *pmin = FONTINKMIN(pFont); | |
1240 | int nprotoxcistructs; | |
1241 | int rlength; | |
1242 | ||
1243 | nprotoxcistructs = (pmax->rightSideBearing == pmin->rightSideBearing && | |
1244 | pmax->leftSideBearing == pmin->leftSideBearing && | |
1245 | pmax->descent == pmin->descent && | |
1246 | pmax->ascent == pmin->ascent && | |
1247 | pmax->characterWidth == pmin->characterWidth) ? | |
1248 | 0 : N2dChars(pFont); | |
1249 | ||
1250 | rlength = sizeof(xQueryFontReply) + | |
1251 | FONTINFONPROPS(FONTCHARSET(pFont)) * sizeof(xFontProp) + | |
1252 | nprotoxcistructs * sizeof(xCharInfo); | |
1253 | reply = calloc(1, rlength); | |
1254 | if (!reply) { | |
1255 | return BadAlloc; | |
1256 | } | |
1257 | ||
1258 | reply->type = X_Reply; | |
1259 | reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); | |
1260 | reply->sequenceNumber = client->sequence; | |
1261 | QueryFont(pFont, reply, nprotoxcistructs); | |
1262 | ||
1263 | WriteReplyToClient(client, rlength, reply); | |
1264 | free(reply); | |
1265 | return Success; | |
1266 | } | |
1267 | } | |
1268 | ||
1269 | int | |
1270 | ProcQueryTextExtents(ClientPtr client) | |
1271 | { | |
1272 | xQueryTextExtentsReply reply; | |
1273 | FontPtr pFont; | |
1274 | ExtentInfoRec info; | |
1275 | unsigned long length; | |
1276 | int rc; | |
1277 | ||
1278 | REQUEST(xQueryTextExtentsReq); | |
1279 | REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq); | |
1280 | ||
1281 | rc = dixLookupFontable(&pFont, stuff->fid, client, DixGetAttrAccess); | |
1282 | if (rc != Success) | |
1283 | return rc; | |
1284 | ||
1285 | length = client->req_len - bytes_to_int32(sizeof(xQueryTextExtentsReq)); | |
1286 | length = length << 1; | |
1287 | if (stuff->oddLength) { | |
1288 | if (length == 0) | |
1289 | return BadLength; | |
1290 | length--; | |
1291 | } | |
1292 | if (!QueryTextExtents(pFont, length, (unsigned char *) &stuff[1], &info)) | |
1293 | return BadAlloc; | |
1294 | reply = (xQueryTextExtentsReply) { | |
1295 | .type = X_Reply, | |
1296 | .drawDirection = info.drawDirection, | |
1297 | .sequenceNumber = client->sequence, | |
1298 | .length = 0, | |
1299 | .fontAscent = info.fontAscent, | |
1300 | .fontDescent = info.fontDescent, | |
1301 | .overallAscent = info.overallAscent, | |
1302 | .overallDescent = info.overallDescent, | |
1303 | .overallWidth = info.overallWidth, | |
1304 | .overallLeft = info.overallLeft, | |
1305 | .overallRight = info.overallRight | |
1306 | }; | |
1307 | WriteReplyToClient(client, sizeof(xQueryTextExtentsReply), &reply); | |
1308 | return Success; | |
1309 | } | |
1310 | ||
1311 | int | |
1312 | ProcListFonts(ClientPtr client) | |
1313 | { | |
1314 | REQUEST(xListFontsReq); | |
1315 | ||
1316 | REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes); | |
1317 | ||
1318 | return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes, | |
1319 | stuff->maxNames); | |
1320 | } | |
1321 | ||
1322 | int | |
1323 | ProcListFontsWithInfo(ClientPtr client) | |
1324 | { | |
1325 | REQUEST(xListFontsWithInfoReq); | |
1326 | ||
1327 | REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes); | |
1328 | ||
1329 | return StartListFontsWithInfo(client, stuff->nbytes, | |
1330 | (unsigned char *) &stuff[1], stuff->maxNames); | |
1331 | } | |
1332 | ||
1333 | /** | |
1334 | * | |
1335 | * \param value must conform to DeleteType | |
1336 | */ | |
1337 | int | |
1338 | dixDestroyPixmap(pointer value, XID pid) | |
1339 | { | |
1340 | PixmapPtr pPixmap = (PixmapPtr) value; | |
1341 | ||
1342 | return (*pPixmap->drawable.pScreen->DestroyPixmap) (pPixmap); | |
1343 | } | |
1344 | ||
1345 | int | |
1346 | ProcCreatePixmap(ClientPtr client) | |
1347 | { | |
1348 | PixmapPtr pMap; | |
1349 | DrawablePtr pDraw; | |
1350 | ||
1351 | REQUEST(xCreatePixmapReq); | |
1352 | DepthPtr pDepth; | |
1353 | int i, rc; | |
1354 | ||
1355 | REQUEST_SIZE_MATCH(xCreatePixmapReq); | |
1356 | client->errorValue = stuff->pid; | |
1357 | LEGAL_NEW_RESOURCE(stuff->pid, client); | |
1358 | ||
1359 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, | |
1360 | DixGetAttrAccess); | |
1361 | if (rc != Success) | |
1362 | return rc; | |
1363 | ||
1364 | if (!stuff->width || !stuff->height) { | |
1365 | client->errorValue = 0; | |
1366 | return BadValue; | |
1367 | } | |
1368 | if (stuff->width > 32767 || stuff->height > 32767) { | |
1369 | /* It is allowed to try and allocate a pixmap which is larger than | |
1370 | * 32767 in either dimension. However, all of the framebuffer code | |
1371 | * is buggy and does not reliably draw to such big pixmaps, basically | |
1372 | * because the Region data structure operates with signed shorts | |
1373 | * for the rectangles in it. | |
1374 | * | |
1375 | * Furthermore, several places in the X server computes the | |
1376 | * size in bytes of the pixmap and tries to store it in an | |
1377 | * integer. This integer can overflow and cause the allocated size | |
1378 | * to be much smaller. | |
1379 | * | |
1380 | * So, such big pixmaps are rejected here with a BadAlloc | |
1381 | */ | |
1382 | return BadAlloc; | |
1383 | } | |
1384 | if (stuff->depth != 1) { | |
1385 | pDepth = pDraw->pScreen->allowedDepths; | |
1386 | for (i = 0; i < pDraw->pScreen->numDepths; i++, pDepth++) | |
1387 | if (pDepth->depth == stuff->depth) | |
1388 | goto CreatePmap; | |
1389 | client->errorValue = stuff->depth; | |
1390 | return BadValue; | |
1391 | } | |
1392 | CreatePmap: | |
1393 | pMap = (PixmapPtr) (*pDraw->pScreen->CreatePixmap) | |
1394 | (pDraw->pScreen, stuff->width, stuff->height, stuff->depth, 0); | |
1395 | if (pMap) { | |
1396 | pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; | |
1397 | pMap->drawable.id = stuff->pid; | |
1398 | /* security creation/labeling check */ | |
1399 | rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP, | |
1400 | pMap, RT_NONE, NULL, DixCreateAccess); | |
1401 | if (rc != Success) { | |
1402 | (*pDraw->pScreen->DestroyPixmap) (pMap); | |
1403 | return rc; | |
1404 | } | |
1405 | if (AddResource(stuff->pid, RT_PIXMAP, (pointer) pMap)) | |
1406 | return Success; | |
1407 | } | |
1408 | return BadAlloc; | |
1409 | } | |
1410 | ||
1411 | int | |
1412 | ProcFreePixmap(ClientPtr client) | |
1413 | { | |
1414 | PixmapPtr pMap; | |
1415 | int rc; | |
1416 | ||
1417 | REQUEST(xResourceReq); | |
1418 | REQUEST_SIZE_MATCH(xResourceReq); | |
1419 | ||
1420 | rc = dixLookupResourceByType((pointer *) &pMap, stuff->id, RT_PIXMAP, | |
1421 | client, DixDestroyAccess); | |
1422 | if (rc == Success) { | |
1423 | FreeResource(stuff->id, RT_NONE); | |
1424 | return Success; | |
1425 | } | |
1426 | else { | |
1427 | client->errorValue = stuff->id; | |
1428 | return rc; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | int | |
1433 | ProcCreateGC(ClientPtr client) | |
1434 | { | |
1435 | int error, rc; | |
1436 | GC *pGC; | |
1437 | DrawablePtr pDraw; | |
1438 | unsigned len; | |
1439 | ||
1440 | REQUEST(xCreateGCReq); | |
1441 | ||
1442 | REQUEST_AT_LEAST_SIZE(xCreateGCReq); | |
1443 | client->errorValue = stuff->gc; | |
1444 | LEGAL_NEW_RESOURCE(stuff->gc, client); | |
1445 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, | |
1446 | DixGetAttrAccess); | |
1447 | if (rc != Success) | |
1448 | return rc; | |
1449 | ||
1450 | len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq)); | |
1451 | if (len != Ones(stuff->mask)) | |
1452 | return BadLength; | |
1453 | pGC = (GC *) CreateGC(pDraw, stuff->mask, (XID *) &stuff[1], &error, | |
1454 | stuff->gc, client); | |
1455 | if (error != Success) | |
1456 | return error; | |
1457 | if (!AddResource(stuff->gc, RT_GC, (pointer) pGC)) | |
1458 | return BadAlloc; | |
1459 | return Success; | |
1460 | } | |
1461 | ||
1462 | int | |
1463 | ProcChangeGC(ClientPtr client) | |
1464 | { | |
1465 | GC *pGC; | |
1466 | int result; | |
1467 | unsigned len; | |
1468 | ||
1469 | REQUEST(xChangeGCReq); | |
1470 | REQUEST_AT_LEAST_SIZE(xChangeGCReq); | |
1471 | ||
1472 | result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess); | |
1473 | if (result != Success) | |
1474 | return result; | |
1475 | ||
1476 | len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq)); | |
1477 | if (len != Ones(stuff->mask)) | |
1478 | return BadLength; | |
1479 | ||
1480 | return ChangeGCXIDs(client, pGC, stuff->mask, (CARD32 *) &stuff[1]); | |
1481 | } | |
1482 | ||
1483 | int | |
1484 | ProcCopyGC(ClientPtr client) | |
1485 | { | |
1486 | GC *dstGC; | |
1487 | GC *pGC; | |
1488 | int result; | |
1489 | ||
1490 | REQUEST(xCopyGCReq); | |
1491 | REQUEST_SIZE_MATCH(xCopyGCReq); | |
1492 | ||
1493 | result = dixLookupGC(&pGC, stuff->srcGC, client, DixGetAttrAccess); | |
1494 | if (result != Success) | |
1495 | return result; | |
1496 | result = dixLookupGC(&dstGC, stuff->dstGC, client, DixSetAttrAccess); | |
1497 | if (result != Success) | |
1498 | return result; | |
1499 | if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth)) | |
1500 | return BadMatch; | |
1501 | if (stuff->mask & ~GCAllBits) { | |
1502 | client->errorValue = stuff->mask; | |
1503 | return BadValue; | |
1504 | } | |
1505 | return CopyGC(pGC, dstGC, stuff->mask); | |
1506 | } | |
1507 | ||
1508 | int | |
1509 | ProcSetDashes(ClientPtr client) | |
1510 | { | |
1511 | GC *pGC; | |
1512 | int result; | |
1513 | ||
1514 | REQUEST(xSetDashesReq); | |
1515 | ||
1516 | REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes); | |
1517 | if (stuff->nDashes == 0) { | |
1518 | client->errorValue = 0; | |
1519 | return BadValue; | |
1520 | } | |
1521 | ||
1522 | result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess); | |
1523 | if (result != Success) | |
1524 | return result; | |
1525 | ||
1526 | /* If there's an error, either there's no sensible errorValue, | |
1527 | * or there was a dash segment of 0. */ | |
1528 | client->errorValue = 0; | |
1529 | return SetDashes(pGC, stuff->dashOffset, stuff->nDashes, | |
1530 | (unsigned char *) &stuff[1]); | |
1531 | } | |
1532 | ||
1533 | int | |
1534 | ProcSetClipRectangles(ClientPtr client) | |
1535 | { | |
1536 | int nr, result; | |
1537 | GC *pGC; | |
1538 | ||
1539 | REQUEST(xSetClipRectanglesReq); | |
1540 | ||
1541 | REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq); | |
1542 | if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) && | |
1543 | (stuff->ordering != YXSorted) && (stuff->ordering != YXBanded)) { | |
1544 | client->errorValue = stuff->ordering; | |
1545 | return BadValue; | |
1546 | } | |
1547 | result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess); | |
1548 | if (result != Success) | |
1549 | return result; | |
1550 | ||
1551 | nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq); | |
1552 | if (nr & 4) | |
1553 | return BadLength; | |
1554 | nr >>= 3; | |
1555 | return SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin, | |
1556 | nr, (xRectangle *) &stuff[1], (int) stuff->ordering); | |
1557 | } | |
1558 | ||
1559 | int | |
1560 | ProcFreeGC(ClientPtr client) | |
1561 | { | |
1562 | GC *pGC; | |
1563 | int rc; | |
1564 | ||
1565 | REQUEST(xResourceReq); | |
1566 | REQUEST_SIZE_MATCH(xResourceReq); | |
1567 | ||
1568 | rc = dixLookupGC(&pGC, stuff->id, client, DixDestroyAccess); | |
1569 | if (rc != Success) | |
1570 | return rc; | |
1571 | ||
1572 | FreeResource(stuff->id, RT_NONE); | |
1573 | return Success; | |
1574 | } | |
1575 | ||
1576 | int | |
1577 | ProcClearToBackground(ClientPtr client) | |
1578 | { | |
1579 | REQUEST(xClearAreaReq); | |
1580 | WindowPtr pWin; | |
1581 | int rc; | |
1582 | ||
1583 | REQUEST_SIZE_MATCH(xClearAreaReq); | |
1584 | rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); | |
1585 | if (rc != Success) | |
1586 | return rc; | |
1587 | if (pWin->drawable.class == InputOnly) { | |
1588 | client->errorValue = stuff->window; | |
1589 | return BadMatch; | |
1590 | } | |
1591 | if ((stuff->exposures != xTrue) && (stuff->exposures != xFalse)) { | |
1592 | client->errorValue = stuff->exposures; | |
1593 | return BadValue; | |
1594 | } | |
1595 | (*pWin->drawable.pScreen->ClearToBackground) (pWin, stuff->x, stuff->y, | |
1596 | stuff->width, stuff->height, | |
1597 | (Bool) stuff->exposures); | |
1598 | return Success; | |
1599 | } | |
1600 | ||
1601 | int | |
1602 | ProcCopyArea(ClientPtr client) | |
1603 | { | |
1604 | DrawablePtr pDst; | |
1605 | DrawablePtr pSrc; | |
1606 | GC *pGC; | |
1607 | ||
1608 | REQUEST(xCopyAreaReq); | |
1609 | RegionPtr pRgn; | |
1610 | int rc; | |
1611 | ||
1612 | REQUEST_SIZE_MATCH(xCopyAreaReq); | |
1613 | ||
1614 | VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess); | |
1615 | if (stuff->dstDrawable != stuff->srcDrawable) { | |
1616 | rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, | |
1617 | DixReadAccess); | |
1618 | if (rc != Success) | |
1619 | return rc; | |
1620 | if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth)) { | |
1621 | client->errorValue = stuff->dstDrawable; | |
1622 | return BadMatch; | |
1623 | } | |
1624 | } | |
1625 | else | |
1626 | pSrc = pDst; | |
1627 | ||
1628 | pRgn = (*pGC->ops->CopyArea) (pSrc, pDst, pGC, stuff->srcX, stuff->srcY, | |
1629 | stuff->width, stuff->height, | |
1630 | stuff->dstX, stuff->dstY); | |
1631 | if (pGC->graphicsExposures) { | |
1632 | (*pDst->pScreen->SendGraphicsExpose) | |
1633 | (client, pRgn, stuff->dstDrawable, X_CopyArea, 0); | |
1634 | if (pRgn) | |
1635 | RegionDestroy(pRgn); | |
1636 | } | |
1637 | ||
1638 | return Success; | |
1639 | } | |
1640 | ||
1641 | int | |
1642 | ProcCopyPlane(ClientPtr client) | |
1643 | { | |
1644 | DrawablePtr psrcDraw, pdstDraw; | |
1645 | GC *pGC; | |
1646 | ||
1647 | REQUEST(xCopyPlaneReq); | |
1648 | RegionPtr pRgn; | |
1649 | int rc; | |
1650 | ||
1651 | REQUEST_SIZE_MATCH(xCopyPlaneReq); | |
1652 | ||
1653 | VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess); | |
1654 | if (stuff->dstDrawable != stuff->srcDrawable) { | |
1655 | rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, | |
1656 | DixReadAccess); | |
1657 | if (rc != Success) | |
1658 | return rc; | |
1659 | ||
1660 | if (pdstDraw->pScreen != psrcDraw->pScreen) { | |
1661 | client->errorValue = stuff->dstDrawable; | |
1662 | return BadMatch; | |
1663 | } | |
1664 | } | |
1665 | else | |
1666 | psrcDraw = pdstDraw; | |
1667 | ||
1668 | /* Check to see if stuff->bitPlane has exactly ONE good bit set */ | |
1669 | if (stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) || | |
1670 | (stuff->bitPlane > (1L << (psrcDraw->depth - 1)))) { | |
1671 | client->errorValue = stuff->bitPlane; | |
1672 | return BadValue; | |
1673 | } | |
1674 | ||
1675 | pRgn = | |
1676 | (*pGC->ops->CopyPlane) (psrcDraw, pdstDraw, pGC, stuff->srcX, | |
1677 | stuff->srcY, stuff->width, stuff->height, | |
1678 | stuff->dstX, stuff->dstY, stuff->bitPlane); | |
1679 | if (pGC->graphicsExposures) { | |
1680 | (*pdstDraw->pScreen->SendGraphicsExpose) | |
1681 | (client, pRgn, stuff->dstDrawable, X_CopyPlane, 0); | |
1682 | if (pRgn) | |
1683 | RegionDestroy(pRgn); | |
1684 | } | |
1685 | return Success; | |
1686 | } | |
1687 | ||
1688 | int | |
1689 | ProcPolyPoint(ClientPtr client) | |
1690 | { | |
1691 | int npoint; | |
1692 | GC *pGC; | |
1693 | DrawablePtr pDraw; | |
1694 | ||
1695 | REQUEST(xPolyPointReq); | |
1696 | ||
1697 | REQUEST_AT_LEAST_SIZE(xPolyPointReq); | |
1698 | if ((stuff->coordMode != CoordModeOrigin) && | |
1699 | (stuff->coordMode != CoordModePrevious)) { | |
1700 | client->errorValue = stuff->coordMode; | |
1701 | return BadValue; | |
1702 | } | |
1703 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1704 | npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq)); | |
1705 | if (npoint) | |
1706 | (*pGC->ops->PolyPoint) (pDraw, pGC, stuff->coordMode, npoint, | |
1707 | (xPoint *) &stuff[1]); | |
1708 | return Success; | |
1709 | } | |
1710 | ||
1711 | int | |
1712 | ProcPolyLine(ClientPtr client) | |
1713 | { | |
1714 | int npoint; | |
1715 | GC *pGC; | |
1716 | DrawablePtr pDraw; | |
1717 | ||
1718 | REQUEST(xPolyLineReq); | |
1719 | ||
1720 | REQUEST_AT_LEAST_SIZE(xPolyLineReq); | |
1721 | if ((stuff->coordMode != CoordModeOrigin) && | |
1722 | (stuff->coordMode != CoordModePrevious)) { | |
1723 | client->errorValue = stuff->coordMode; | |
1724 | return BadValue; | |
1725 | } | |
1726 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1727 | npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq)); | |
1728 | if (npoint > 1) | |
1729 | (*pGC->ops->Polylines) (pDraw, pGC, stuff->coordMode, npoint, | |
1730 | (DDXPointPtr) &stuff[1]); | |
1731 | return Success; | |
1732 | } | |
1733 | ||
1734 | int | |
1735 | ProcPolySegment(ClientPtr client) | |
1736 | { | |
1737 | int nsegs; | |
1738 | GC *pGC; | |
1739 | DrawablePtr pDraw; | |
1740 | ||
1741 | REQUEST(xPolySegmentReq); | |
1742 | ||
1743 | REQUEST_AT_LEAST_SIZE(xPolySegmentReq); | |
1744 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1745 | nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq); | |
1746 | if (nsegs & 4) | |
1747 | return BadLength; | |
1748 | nsegs >>= 3; | |
1749 | if (nsegs) | |
1750 | (*pGC->ops->PolySegment) (pDraw, pGC, nsegs, (xSegment *) &stuff[1]); | |
1751 | return Success; | |
1752 | } | |
1753 | ||
1754 | int | |
1755 | ProcPolyRectangle(ClientPtr client) | |
1756 | { | |
1757 | int nrects; | |
1758 | GC *pGC; | |
1759 | DrawablePtr pDraw; | |
1760 | ||
1761 | REQUEST(xPolyRectangleReq); | |
1762 | ||
1763 | REQUEST_AT_LEAST_SIZE(xPolyRectangleReq); | |
1764 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1765 | nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq); | |
1766 | if (nrects & 4) | |
1767 | return BadLength; | |
1768 | nrects >>= 3; | |
1769 | if (nrects) | |
1770 | (*pGC->ops->PolyRectangle) (pDraw, pGC, | |
1771 | nrects, (xRectangle *) &stuff[1]); | |
1772 | return Success; | |
1773 | } | |
1774 | ||
1775 | int | |
1776 | ProcPolyArc(ClientPtr client) | |
1777 | { | |
1778 | int narcs; | |
1779 | GC *pGC; | |
1780 | DrawablePtr pDraw; | |
1781 | ||
1782 | REQUEST(xPolyArcReq); | |
1783 | ||
1784 | REQUEST_AT_LEAST_SIZE(xPolyArcReq); | |
1785 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1786 | narcs = (client->req_len << 2) - sizeof(xPolyArcReq); | |
1787 | if (narcs % sizeof(xArc)) | |
1788 | return BadLength; | |
1789 | narcs /= sizeof(xArc); | |
1790 | if (narcs) | |
1791 | (*pGC->ops->PolyArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]); | |
1792 | return Success; | |
1793 | } | |
1794 | ||
1795 | int | |
1796 | ProcFillPoly(ClientPtr client) | |
1797 | { | |
1798 | int things; | |
1799 | GC *pGC; | |
1800 | DrawablePtr pDraw; | |
1801 | ||
1802 | REQUEST(xFillPolyReq); | |
1803 | ||
1804 | REQUEST_AT_LEAST_SIZE(xFillPolyReq); | |
1805 | if ((stuff->shape != Complex) && (stuff->shape != Nonconvex) && | |
1806 | (stuff->shape != Convex)) { | |
1807 | client->errorValue = stuff->shape; | |
1808 | return BadValue; | |
1809 | } | |
1810 | if ((stuff->coordMode != CoordModeOrigin) && | |
1811 | (stuff->coordMode != CoordModePrevious)) { | |
1812 | client->errorValue = stuff->coordMode; | |
1813 | return BadValue; | |
1814 | } | |
1815 | ||
1816 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1817 | things = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq)); | |
1818 | if (things) | |
1819 | (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape, | |
1820 | stuff->coordMode, things, | |
1821 | (DDXPointPtr) &stuff[1]); | |
1822 | return Success; | |
1823 | } | |
1824 | ||
1825 | int | |
1826 | ProcPolyFillRectangle(ClientPtr client) | |
1827 | { | |
1828 | int things; | |
1829 | GC *pGC; | |
1830 | DrawablePtr pDraw; | |
1831 | ||
1832 | REQUEST(xPolyFillRectangleReq); | |
1833 | ||
1834 | REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq); | |
1835 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1836 | things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq); | |
1837 | if (things & 4) | |
1838 | return BadLength; | |
1839 | things >>= 3; | |
1840 | ||
1841 | if (things) | |
1842 | (*pGC->ops->PolyFillRect) (pDraw, pGC, things, | |
1843 | (xRectangle *) &stuff[1]); | |
1844 | return Success; | |
1845 | } | |
1846 | ||
1847 | int | |
1848 | ProcPolyFillArc(ClientPtr client) | |
1849 | { | |
1850 | int narcs; | |
1851 | GC *pGC; | |
1852 | DrawablePtr pDraw; | |
1853 | ||
1854 | REQUEST(xPolyFillArcReq); | |
1855 | ||
1856 | REQUEST_AT_LEAST_SIZE(xPolyFillArcReq); | |
1857 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1858 | narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq); | |
1859 | if (narcs % sizeof(xArc)) | |
1860 | return BadLength; | |
1861 | narcs /= sizeof(xArc); | |
1862 | if (narcs) | |
1863 | (*pGC->ops->PolyFillArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]); | |
1864 | return Success; | |
1865 | } | |
1866 | ||
1867 | #ifdef MATCH_CLIENT_ENDIAN | |
1868 | ||
1869 | int | |
1870 | ServerOrder(void) | |
1871 | { | |
1872 | int whichbyte = 1; | |
1873 | ||
1874 | if (*((char *) &whichbyte)) | |
1875 | return LSBFirst; | |
1876 | return MSBFirst; | |
1877 | } | |
1878 | ||
1879 | #define ClientOrder(client) ((client)->swapped ? !ServerOrder() : ServerOrder()) | |
1880 | ||
1881 | void | |
1882 | ReformatImage(char *base, int nbytes, int bpp, int order) | |
1883 | { | |
1884 | switch (bpp) { | |
1885 | case 1: /* yuck */ | |
1886 | if (BITMAP_BIT_ORDER != order) | |
1887 | BitOrderInvert((unsigned char *) base, nbytes); | |
1888 | #if IMAGE_BYTE_ORDER != BITMAP_BIT_ORDER && BITMAP_SCANLINE_UNIT != 8 | |
1889 | ReformatImage(base, nbytes, BITMAP_SCANLINE_UNIT, order); | |
1890 | #endif | |
1891 | break; | |
1892 | case 4: | |
1893 | break; /* yuck */ | |
1894 | case 8: | |
1895 | break; | |
1896 | case 16: | |
1897 | if (IMAGE_BYTE_ORDER != order) | |
1898 | TwoByteSwap((unsigned char *) base, nbytes); | |
1899 | break; | |
1900 | case 32: | |
1901 | if (IMAGE_BYTE_ORDER != order) | |
1902 | FourByteSwap((unsigned char *) base, nbytes); | |
1903 | break; | |
1904 | } | |
1905 | } | |
1906 | #else | |
1907 | #define ReformatImage(b,n,bpp,o) | |
1908 | #endif | |
1909 | ||
1910 | /* 64-bit server notes: the protocol restricts padding of images to | |
1911 | * 8-, 16-, or 32-bits. We would like to have 64-bits for the server | |
1912 | * to use internally. Removes need for internal alignment checking. | |
1913 | * All of the PutImage functions could be changed individually, but | |
1914 | * as currently written, they call other routines which require things | |
1915 | * to be 64-bit padded on scanlines, so we changed things here. | |
1916 | * If an image would be padded differently for 64- versus 32-, then | |
1917 | * copy each scanline to a 64-bit padded scanline. | |
1918 | * Also, we need to make sure that the image is aligned on a 64-bit | |
1919 | * boundary, even if the scanlines are padded to our satisfaction. | |
1920 | */ | |
1921 | int | |
1922 | ProcPutImage(ClientPtr client) | |
1923 | { | |
1924 | GC *pGC; | |
1925 | DrawablePtr pDraw; | |
1926 | long length; /* length of scanline server padded */ | |
1927 | long lengthProto; /* length of scanline protocol padded */ | |
1928 | char *tmpImage; | |
1929 | ||
1930 | REQUEST(xPutImageReq); | |
1931 | ||
1932 | REQUEST_AT_LEAST_SIZE(xPutImageReq); | |
1933 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
1934 | if (stuff->format == XYBitmap) { | |
1935 | if ((stuff->depth != 1) || | |
1936 | (stuff->leftPad >= (unsigned int) screenInfo.bitmapScanlinePad)) | |
1937 | return BadMatch; | |
1938 | length = BitmapBytePad(stuff->width + stuff->leftPad); | |
1939 | } | |
1940 | else if (stuff->format == XYPixmap) { | |
1941 | if ((pDraw->depth != stuff->depth) || | |
1942 | (stuff->leftPad >= (unsigned int) screenInfo.bitmapScanlinePad)) | |
1943 | return BadMatch; | |
1944 | length = BitmapBytePad(stuff->width + stuff->leftPad); | |
1945 | length *= stuff->depth; | |
1946 | } | |
1947 | else if (stuff->format == ZPixmap) { | |
1948 | if ((pDraw->depth != stuff->depth) || (stuff->leftPad != 0)) | |
1949 | return BadMatch; | |
1950 | length = PixmapBytePad(stuff->width, stuff->depth); | |
1951 | } | |
1952 | else { | |
1953 | client->errorValue = stuff->format; | |
1954 | return BadValue; | |
1955 | } | |
1956 | ||
1957 | tmpImage = (char *) &stuff[1]; | |
1958 | lengthProto = length; | |
1959 | ||
1960 | if ((bytes_to_int32(lengthProto * stuff->height) + | |
1961 | bytes_to_int32(sizeof(xPutImageReq))) != client->req_len) | |
1962 | return BadLength; | |
1963 | ||
1964 | ReformatImage(tmpImage, lengthProto * stuff->height, | |
1965 | stuff->format == ZPixmap ? BitsPerPixel(stuff->depth) : 1, | |
1966 | ClientOrder(client)); | |
1967 | ||
1968 | (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, stuff->dstX, stuff->dstY, | |
1969 | stuff->width, stuff->height, | |
1970 | stuff->leftPad, stuff->format, tmpImage); | |
1971 | ||
1972 | return Success; | |
1973 | } | |
1974 | ||
1975 | static int | |
1976 | DoGetImage(ClientPtr client, int format, Drawable drawable, | |
1977 | int x, int y, int width, int height, | |
1978 | Mask planemask) | |
1979 | { | |
1980 | DrawablePtr pDraw, pBoundingDraw; | |
1981 | int nlines, linesPerBuf, rc; | |
1982 | int linesDone; | |
1983 | ||
1984 | /* coordinates relative to the bounding drawable */ | |
1985 | int relx, rely; | |
1986 | long widthBytesLine, length; | |
1987 | Mask plane = 0; | |
1988 | char *pBuf; | |
1989 | xGetImageReply xgi; | |
1990 | RegionPtr pVisibleRegion = NULL; | |
1991 | ||
1992 | if ((format != XYPixmap) && (format != ZPixmap)) { | |
1993 | client->errorValue = format; | |
1994 | return BadValue; | |
1995 | } | |
1996 | rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixReadAccess); | |
1997 | if (rc != Success) | |
1998 | return rc; | |
1999 | ||
2000 | memset(&xgi, 0, sizeof(xGetImageReply)); | |
2001 | ||
2002 | relx = x; | |
2003 | rely = y; | |
2004 | ||
2005 | if (pDraw->type == DRAWABLE_WINDOW) { | |
2006 | WindowPtr pWin = (WindowPtr) pDraw; | |
2007 | ||
2008 | /* "If the drawable is a window, the window must be viewable ... or a | |
2009 | * BadMatch error results" */ | |
2010 | if (!pWin->viewable) | |
2011 | return BadMatch; | |
2012 | ||
2013 | /* If the drawable is a window, the rectangle must be contained within | |
2014 | * its bounds (including the border). */ | |
2015 | if (x < -wBorderWidth(pWin) || | |
2016 | x + width > wBorderWidth(pWin) + (int) pDraw->width || | |
2017 | y < -wBorderWidth(pWin) || | |
2018 | y + height > wBorderWidth(pWin) + (int) pDraw->height) | |
2019 | return BadMatch; | |
2020 | ||
2021 | relx += pDraw->x; | |
2022 | rely += pDraw->y; | |
2023 | ||
2024 | if (pDraw->pScreen->GetWindowPixmap) { | |
2025 | PixmapPtr pPix = (*pDraw->pScreen->GetWindowPixmap) (pWin); | |
2026 | ||
2027 | pBoundingDraw = &pPix->drawable; | |
2028 | #ifdef COMPOSITE | |
2029 | relx -= pPix->screen_x; | |
2030 | rely -= pPix->screen_y; | |
2031 | #endif | |
2032 | } | |
2033 | else { | |
2034 | pBoundingDraw = (DrawablePtr) pDraw->pScreen->root; | |
2035 | } | |
2036 | ||
2037 | xgi.visual = wVisual(pWin); | |
2038 | } | |
2039 | else { | |
2040 | pBoundingDraw = pDraw; | |
2041 | xgi.visual = None; | |
2042 | } | |
2043 | ||
2044 | /* "If the drawable is a pixmap, the given rectangle must be wholly | |
2045 | * contained within the pixmap, or a BadMatch error results. If the | |
2046 | * drawable is a window [...] it must be the case that if there were no | |
2047 | * inferiors or overlapping windows, the specified rectangle of the window | |
2048 | * would be fully visible on the screen and wholly contained within the | |
2049 | * outside edges of the window, or a BadMatch error results." | |
2050 | * | |
2051 | * We relax the window case slightly to mean that the rectangle must exist | |
2052 | * within the bounds of the window's backing pixmap. In particular, this | |
2053 | * means that a GetImage request may succeed or fail with BadMatch depending | |
2054 | * on whether any of its ancestor windows are redirected. */ | |
2055 | if (relx < 0 || relx + width > (int) pBoundingDraw->width || | |
2056 | rely < 0 || rely + height > (int) pBoundingDraw->height) | |
2057 | return BadMatch; | |
2058 | ||
2059 | xgi.type = X_Reply; | |
2060 | xgi.sequenceNumber = client->sequence; | |
2061 | xgi.depth = pDraw->depth; | |
2062 | if (format == ZPixmap) { | |
2063 | widthBytesLine = PixmapBytePad(width, pDraw->depth); | |
2064 | length = widthBytesLine * height; | |
2065 | ||
2066 | } | |
2067 | else { | |
2068 | widthBytesLine = BitmapBytePad(width); | |
2069 | plane = ((Mask) 1) << (pDraw->depth - 1); | |
2070 | /* only planes asked for */ | |
2071 | length = widthBytesLine * height * | |
2072 | Ones(planemask & (plane | (plane - 1))); | |
2073 | ||
2074 | } | |
2075 | ||
2076 | xgi.length = length; | |
2077 | ||
2078 | xgi.length = bytes_to_int32(xgi.length); | |
2079 | if (widthBytesLine == 0 || height == 0) | |
2080 | linesPerBuf = 0; | |
2081 | else if (widthBytesLine >= IMAGE_BUFSIZE) | |
2082 | linesPerBuf = 1; | |
2083 | else { | |
2084 | linesPerBuf = IMAGE_BUFSIZE / widthBytesLine; | |
2085 | if (linesPerBuf > height) | |
2086 | linesPerBuf = height; | |
2087 | } | |
2088 | length = linesPerBuf * widthBytesLine; | |
2089 | if (linesPerBuf < height) { | |
2090 | /* we have to make sure intermediate buffers don't need padding */ | |
2091 | while ((linesPerBuf > 1) && | |
2092 | (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD) - 1))) { | |
2093 | linesPerBuf--; | |
2094 | length -= widthBytesLine; | |
2095 | } | |
2096 | while (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD) - 1)) { | |
2097 | linesPerBuf++; | |
2098 | length += widthBytesLine; | |
2099 | } | |
2100 | } | |
2101 | if (!(pBuf = calloc(1, length))) | |
2102 | return BadAlloc; | |
2103 | WriteReplyToClient(client, sizeof(xGetImageReply), &xgi); | |
2104 | ||
2105 | if (pDraw->type == DRAWABLE_WINDOW) { | |
2106 | pVisibleRegion = NotClippedByChildren((WindowPtr) pDraw); | |
2107 | if (pVisibleRegion) { | |
2108 | RegionTranslate(pVisibleRegion, -pDraw->x, -pDraw->y); | |
2109 | } | |
2110 | } | |
2111 | ||
2112 | if (linesPerBuf == 0) { | |
2113 | /* nothing to do */ | |
2114 | } | |
2115 | else if (format == ZPixmap) { | |
2116 | linesDone = 0; | |
2117 | while (height - linesDone > 0) { | |
2118 | nlines = min(linesPerBuf, height - linesDone); | |
2119 | (*pDraw->pScreen->GetImage) (pDraw, | |
2120 | x, | |
2121 | y + linesDone, | |
2122 | width, | |
2123 | nlines, | |
2124 | format, planemask, (pointer) pBuf); | |
2125 | if (pVisibleRegion) | |
2126 | XaceCensorImage(client, pVisibleRegion, widthBytesLine, | |
2127 | pDraw, x, y + linesDone, width, | |
2128 | nlines, format, pBuf); | |
2129 | ||
2130 | /* Note that this is NOT a call to WriteSwappedDataToClient, | |
2131 | as we do NOT byte swap */ | |
2132 | ReformatImage(pBuf, (int) (nlines * widthBytesLine), | |
2133 | BitsPerPixel(pDraw->depth), ClientOrder(client)); | |
2134 | ||
2135 | WriteToClient(client, (int) (nlines * widthBytesLine), pBuf); | |
2136 | linesDone += nlines; | |
2137 | } | |
2138 | } | |
2139 | else { /* XYPixmap */ | |
2140 | ||
2141 | for (; plane; plane >>= 1) { | |
2142 | if (planemask & plane) { | |
2143 | linesDone = 0; | |
2144 | while (height - linesDone > 0) { | |
2145 | nlines = min(linesPerBuf, height - linesDone); | |
2146 | (*pDraw->pScreen->GetImage) (pDraw, | |
2147 | x, | |
2148 | y + linesDone, | |
2149 | width, | |
2150 | nlines, | |
2151 | format, plane, (pointer) pBuf); | |
2152 | if (pVisibleRegion) | |
2153 | XaceCensorImage(client, pVisibleRegion, | |
2154 | widthBytesLine, | |
2155 | pDraw, x, y + linesDone, width, | |
2156 | nlines, format, pBuf); | |
2157 | ||
2158 | /* Note: NOT a call to WriteSwappedDataToClient, | |
2159 | as we do NOT byte swap */ | |
2160 | ReformatImage(pBuf, (int) (nlines * widthBytesLine), | |
2161 | 1, ClientOrder(client)); | |
2162 | ||
2163 | WriteToClient(client, (int)(nlines * widthBytesLine), pBuf); | |
2164 | linesDone += nlines; | |
2165 | } | |
2166 | } | |
2167 | } | |
2168 | } | |
2169 | if (pVisibleRegion) | |
2170 | RegionDestroy(pVisibleRegion); | |
2171 | free(pBuf); | |
2172 | return Success; | |
2173 | } | |
2174 | ||
2175 | int | |
2176 | ProcGetImage(ClientPtr client) | |
2177 | { | |
2178 | REQUEST(xGetImageReq); | |
2179 | ||
2180 | REQUEST_SIZE_MATCH(xGetImageReq); | |
2181 | ||
2182 | return DoGetImage(client, stuff->format, stuff->drawable, | |
2183 | stuff->x, stuff->y, | |
2184 | (int) stuff->width, (int) stuff->height, | |
2185 | stuff->planeMask); | |
2186 | } | |
2187 | ||
2188 | int | |
2189 | ProcPolyText(ClientPtr client) | |
2190 | { | |
2191 | int err; | |
2192 | ||
2193 | REQUEST(xPolyTextReq); | |
2194 | DrawablePtr pDraw; | |
2195 | GC *pGC; | |
2196 | ||
2197 | REQUEST_AT_LEAST_SIZE(xPolyTextReq); | |
2198 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
2199 | ||
2200 | err = PolyText(client, | |
2201 | pDraw, | |
2202 | pGC, | |
2203 | (unsigned char *) &stuff[1], | |
2204 | ((unsigned char *) stuff) + (client->req_len << 2), | |
2205 | stuff->x, stuff->y, stuff->reqType, stuff->drawable); | |
2206 | ||
2207 | if (err == Success) { | |
2208 | return Success; | |
2209 | } | |
2210 | else | |
2211 | return err; | |
2212 | } | |
2213 | ||
2214 | int | |
2215 | ProcImageText8(ClientPtr client) | |
2216 | { | |
2217 | int err; | |
2218 | DrawablePtr pDraw; | |
2219 | GC *pGC; | |
2220 | ||
2221 | REQUEST(xImageTextReq); | |
2222 | ||
2223 | REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars); | |
2224 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
2225 | ||
2226 | err = ImageText(client, | |
2227 | pDraw, | |
2228 | pGC, | |
2229 | stuff->nChars, | |
2230 | (unsigned char *) &stuff[1], | |
2231 | stuff->x, stuff->y, stuff->reqType, stuff->drawable); | |
2232 | ||
2233 | if (err == Success) { | |
2234 | return Success; | |
2235 | } | |
2236 | else | |
2237 | return err; | |
2238 | } | |
2239 | ||
2240 | int | |
2241 | ProcImageText16(ClientPtr client) | |
2242 | { | |
2243 | int err; | |
2244 | DrawablePtr pDraw; | |
2245 | GC *pGC; | |
2246 | ||
2247 | REQUEST(xImageTextReq); | |
2248 | ||
2249 | REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1); | |
2250 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); | |
2251 | ||
2252 | err = ImageText(client, | |
2253 | pDraw, | |
2254 | pGC, | |
2255 | stuff->nChars, | |
2256 | (unsigned char *) &stuff[1], | |
2257 | stuff->x, stuff->y, stuff->reqType, stuff->drawable); | |
2258 | ||
2259 | if (err == Success) { | |
2260 | return Success; | |
2261 | } | |
2262 | else | |
2263 | return err; | |
2264 | } | |
2265 | ||
2266 | int | |
2267 | ProcCreateColormap(ClientPtr client) | |
2268 | { | |
2269 | VisualPtr pVisual; | |
2270 | ColormapPtr pmap; | |
2271 | Colormap mid; | |
2272 | WindowPtr pWin; | |
2273 | ScreenPtr pScreen; | |
2274 | ||
2275 | REQUEST(xCreateColormapReq); | |
2276 | int i, result; | |
2277 | ||
2278 | REQUEST_SIZE_MATCH(xCreateColormapReq); | |
2279 | ||
2280 | if ((stuff->alloc != AllocNone) && (stuff->alloc != AllocAll)) { | |
2281 | client->errorValue = stuff->alloc; | |
2282 | return BadValue; | |
2283 | } | |
2284 | mid = stuff->mid; | |
2285 | LEGAL_NEW_RESOURCE(mid, client); | |
2286 | result = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); | |
2287 | if (result != Success) | |
2288 | return result; | |
2289 | ||
2290 | pScreen = pWin->drawable.pScreen; | |
2291 | for (i = 0, pVisual = pScreen->visuals; | |
2292 | i < pScreen->numVisuals; i++, pVisual++) { | |
2293 | if (pVisual->vid != stuff->visual) | |
2294 | continue; | |
2295 | return CreateColormap(mid, pScreen, pVisual, &pmap, | |
2296 | (int) stuff->alloc, client->index); | |
2297 | } | |
2298 | client->errorValue = stuff->visual; | |
2299 | return BadMatch; | |
2300 | } | |
2301 | ||
2302 | int | |
2303 | ProcFreeColormap(ClientPtr client) | |
2304 | { | |
2305 | ColormapPtr pmap; | |
2306 | int rc; | |
2307 | ||
2308 | REQUEST(xResourceReq); | |
2309 | ||
2310 | REQUEST_SIZE_MATCH(xResourceReq); | |
2311 | rc = dixLookupResourceByType((pointer *) &pmap, stuff->id, RT_COLORMAP, | |
2312 | client, DixDestroyAccess); | |
2313 | if (rc == Success) { | |
2314 | /* Freeing a default colormap is a no-op */ | |
2315 | if (!(pmap->flags & IsDefault)) | |
2316 | FreeResource(stuff->id, RT_NONE); | |
2317 | return Success; | |
2318 | } | |
2319 | else { | |
2320 | client->errorValue = stuff->id; | |
2321 | return rc; | |
2322 | } | |
2323 | } | |
2324 | ||
2325 | int | |
2326 | ProcCopyColormapAndFree(ClientPtr client) | |
2327 | { | |
2328 | Colormap mid; | |
2329 | ColormapPtr pSrcMap; | |
2330 | ||
2331 | REQUEST(xCopyColormapAndFreeReq); | |
2332 | int rc; | |
2333 | ||
2334 | REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq); | |
2335 | mid = stuff->mid; | |
2336 | LEGAL_NEW_RESOURCE(mid, client); | |
2337 | rc = dixLookupResourceByType((pointer *) &pSrcMap, stuff->srcCmap, | |
2338 | RT_COLORMAP, client, | |
2339 | DixReadAccess | DixRemoveAccess); | |
2340 | if (rc == Success) | |
2341 | return CopyColormapAndFree(mid, pSrcMap, client->index); | |
2342 | client->errorValue = stuff->srcCmap; | |
2343 | return rc; | |
2344 | } | |
2345 | ||
2346 | int | |
2347 | ProcInstallColormap(ClientPtr client) | |
2348 | { | |
2349 | ColormapPtr pcmp; | |
2350 | int rc; | |
2351 | ||
2352 | REQUEST(xResourceReq); | |
2353 | REQUEST_SIZE_MATCH(xResourceReq); | |
2354 | ||
2355 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->id, RT_COLORMAP, | |
2356 | client, DixInstallAccess); | |
2357 | if (rc != Success) | |
2358 | goto out; | |
2359 | ||
2360 | rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess); | |
2361 | if (rc != Success) { | |
2362 | if (rc == BadValue) | |
2363 | rc = BadColor; | |
2364 | goto out; | |
2365 | } | |
2366 | ||
2367 | (*(pcmp->pScreen->InstallColormap)) (pcmp); | |
2368 | return Success; | |
2369 | ||
2370 | out: | |
2371 | client->errorValue = stuff->id; | |
2372 | return rc; | |
2373 | } | |
2374 | ||
2375 | int | |
2376 | ProcUninstallColormap(ClientPtr client) | |
2377 | { | |
2378 | ColormapPtr pcmp; | |
2379 | int rc; | |
2380 | ||
2381 | REQUEST(xResourceReq); | |
2382 | REQUEST_SIZE_MATCH(xResourceReq); | |
2383 | ||
2384 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->id, RT_COLORMAP, | |
2385 | client, DixUninstallAccess); | |
2386 | if (rc != Success) | |
2387 | goto out; | |
2388 | ||
2389 | rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess); | |
2390 | if (rc != Success) { | |
2391 | if (rc == BadValue) | |
2392 | rc = BadColor; | |
2393 | goto out; | |
2394 | } | |
2395 | ||
2396 | if (pcmp->mid != pcmp->pScreen->defColormap) | |
2397 | (*(pcmp->pScreen->UninstallColormap)) (pcmp); | |
2398 | return Success; | |
2399 | ||
2400 | out: | |
2401 | client->errorValue = stuff->id; | |
2402 | return rc; | |
2403 | } | |
2404 | ||
2405 | int | |
2406 | ProcListInstalledColormaps(ClientPtr client) | |
2407 | { | |
2408 | xListInstalledColormapsReply *preply; | |
2409 | int nummaps, rc; | |
2410 | WindowPtr pWin; | |
2411 | ||
2412 | REQUEST(xResourceReq); | |
2413 | REQUEST_SIZE_MATCH(xResourceReq); | |
2414 | ||
2415 | rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); | |
2416 | if (rc != Success) | |
2417 | return rc; | |
2418 | ||
2419 | rc = XaceHook(XACE_SCREEN_ACCESS, client, pWin->drawable.pScreen, | |
2420 | DixGetAttrAccess); | |
2421 | if (rc != Success) | |
2422 | return rc; | |
2423 | ||
2424 | preply = malloc(sizeof(xListInstalledColormapsReply) + | |
2425 | pWin->drawable.pScreen->maxInstalledCmaps * | |
2426 | sizeof(Colormap)); | |
2427 | if (!preply) | |
2428 | return BadAlloc; | |
2429 | ||
2430 | preply->type = X_Reply; | |
2431 | preply->sequenceNumber = client->sequence; | |
2432 | nummaps = (*pWin->drawable.pScreen->ListInstalledColormaps) | |
2433 | (pWin->drawable.pScreen, (Colormap *) &preply[1]); | |
2434 | preply->nColormaps = nummaps; | |
2435 | preply->length = nummaps; | |
2436 | WriteReplyToClient(client, sizeof(xListInstalledColormapsReply), preply); | |
2437 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |
2438 | WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1]); | |
2439 | free(preply); | |
2440 | return Success; | |
2441 | } | |
2442 | ||
2443 | int | |
2444 | ProcAllocColor(ClientPtr client) | |
2445 | { | |
2446 | ColormapPtr pmap; | |
2447 | int rc; | |
2448 | ||
2449 | REQUEST(xAllocColorReq); | |
2450 | ||
2451 | REQUEST_SIZE_MATCH(xAllocColorReq); | |
2452 | rc = dixLookupResourceByType((pointer *) &pmap, stuff->cmap, RT_COLORMAP, | |
2453 | client, DixAddAccess); | |
2454 | if (rc == Success) { | |
2455 | xAllocColorReply acr = { | |
2456 | .type = X_Reply, | |
2457 | .sequenceNumber = client->sequence, | |
2458 | .length = 0, | |
2459 | .red = stuff->red, | |
2460 | .green = stuff->green, | |
2461 | .blue = stuff->blue, | |
2462 | .pixel = 0 | |
2463 | }; | |
2464 | if ((rc = AllocColor(pmap, &acr.red, &acr.green, &acr.blue, | |
2465 | &acr.pixel, client->index))) | |
2466 | return rc; | |
2467 | #ifdef PANORAMIX | |
2468 | if (noPanoramiXExtension || !pmap->pScreen->myNum) | |
2469 | #endif | |
2470 | WriteReplyToClient(client, sizeof(xAllocColorReply), &acr); | |
2471 | return Success; | |
2472 | ||
2473 | } | |
2474 | else { | |
2475 | client->errorValue = stuff->cmap; | |
2476 | return rc; | |
2477 | } | |
2478 | } | |
2479 | ||
2480 | int | |
2481 | ProcAllocNamedColor(ClientPtr client) | |
2482 | { | |
2483 | ColormapPtr pcmp; | |
2484 | int rc; | |
2485 | ||
2486 | REQUEST(xAllocNamedColorReq); | |
2487 | ||
2488 | REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes); | |
2489 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2490 | client, DixAddAccess); | |
2491 | if (rc == Success) { | |
2492 | xAllocNamedColorReply ancr = { | |
2493 | .type = X_Reply, | |
2494 | .sequenceNumber = client->sequence, | |
2495 | .length = 0 | |
2496 | }; | |
2497 | if (OsLookupColor | |
2498 | (pcmp->pScreen->myNum, (char *) &stuff[1], stuff->nbytes, | |
2499 | &ancr.exactRed, &ancr.exactGreen, &ancr.exactBlue)) { | |
2500 | ancr.screenRed = ancr.exactRed; | |
2501 | ancr.screenGreen = ancr.exactGreen; | |
2502 | ancr.screenBlue = ancr.exactBlue; | |
2503 | ancr.pixel = 0; | |
2504 | if ((rc = AllocColor(pcmp, | |
2505 | &ancr.screenRed, &ancr.screenGreen, | |
2506 | &ancr.screenBlue, &ancr.pixel, client->index))) | |
2507 | return rc; | |
2508 | #ifdef PANORAMIX | |
2509 | if (noPanoramiXExtension || !pcmp->pScreen->myNum) | |
2510 | #endif | |
2511 | WriteReplyToClient(client, sizeof(xAllocNamedColorReply), | |
2512 | &ancr); | |
2513 | return Success; | |
2514 | } | |
2515 | else | |
2516 | return BadName; | |
2517 | ||
2518 | } | |
2519 | else { | |
2520 | client->errorValue = stuff->cmap; | |
2521 | return rc; | |
2522 | } | |
2523 | } | |
2524 | ||
2525 | int | |
2526 | ProcAllocColorCells(ClientPtr client) | |
2527 | { | |
2528 | ColormapPtr pcmp; | |
2529 | int rc; | |
2530 | ||
2531 | REQUEST(xAllocColorCellsReq); | |
2532 | ||
2533 | REQUEST_SIZE_MATCH(xAllocColorCellsReq); | |
2534 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2535 | client, DixAddAccess); | |
2536 | if (rc == Success) { | |
2537 | int npixels, nmasks; | |
2538 | long length; | |
2539 | Pixel *ppixels, *pmasks; | |
2540 | ||
2541 | npixels = stuff->colors; | |
2542 | if (!npixels) { | |
2543 | client->errorValue = npixels; | |
2544 | return BadValue; | |
2545 | } | |
2546 | if (stuff->contiguous != xTrue && stuff->contiguous != xFalse) { | |
2547 | client->errorValue = stuff->contiguous; | |
2548 | return BadValue; | |
2549 | } | |
2550 | nmasks = stuff->planes; | |
2551 | length = ((long) npixels + (long) nmasks) * sizeof(Pixel); | |
2552 | ppixels = malloc(length); | |
2553 | if (!ppixels) | |
2554 | return BadAlloc; | |
2555 | pmasks = ppixels + npixels; | |
2556 | ||
2557 | if ((rc = AllocColorCells(client->index, pcmp, npixels, nmasks, | |
2558 | (Bool) stuff->contiguous, ppixels, pmasks))) { | |
2559 | free(ppixels); | |
2560 | return rc; | |
2561 | } | |
2562 | #ifdef PANORAMIX | |
2563 | if (noPanoramiXExtension || !pcmp->pScreen->myNum) | |
2564 | #endif | |
2565 | { | |
2566 | xAllocColorCellsReply accr = { | |
2567 | .type = X_Reply, | |
2568 | .sequenceNumber = client->sequence, | |
2569 | .length = bytes_to_int32(length), | |
2570 | .nPixels = npixels, | |
2571 | .nMasks = nmasks | |
2572 | }; | |
2573 | WriteReplyToClient(client, sizeof(xAllocColorCellsReply), &accr); | |
2574 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |
2575 | WriteSwappedDataToClient(client, length, ppixels); | |
2576 | } | |
2577 | free(ppixels); | |
2578 | return Success; | |
2579 | } | |
2580 | else { | |
2581 | client->errorValue = stuff->cmap; | |
2582 | return rc; | |
2583 | } | |
2584 | } | |
2585 | ||
2586 | int | |
2587 | ProcAllocColorPlanes(ClientPtr client) | |
2588 | { | |
2589 | ColormapPtr pcmp; | |
2590 | int rc; | |
2591 | ||
2592 | REQUEST(xAllocColorPlanesReq); | |
2593 | ||
2594 | REQUEST_SIZE_MATCH(xAllocColorPlanesReq); | |
2595 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2596 | client, DixAddAccess); | |
2597 | if (rc == Success) { | |
2598 | xAllocColorPlanesReply acpr; | |
2599 | int npixels; | |
2600 | long length; | |
2601 | Pixel *ppixels; | |
2602 | ||
2603 | npixels = stuff->colors; | |
2604 | if (!npixels) { | |
2605 | client->errorValue = npixels; | |
2606 | return BadValue; | |
2607 | } | |
2608 | if (stuff->contiguous != xTrue && stuff->contiguous != xFalse) { | |
2609 | client->errorValue = stuff->contiguous; | |
2610 | return BadValue; | |
2611 | } | |
2612 | acpr = (xAllocColorPlanesReply) { | |
2613 | .type = X_Reply, | |
2614 | .sequenceNumber = client->sequence, | |
2615 | .nPixels = npixels | |
2616 | }; | |
2617 | length = (long) npixels *sizeof(Pixel); | |
2618 | ||
2619 | ppixels = malloc(length); | |
2620 | if (!ppixels) | |
2621 | return BadAlloc; | |
2622 | if ((rc = AllocColorPlanes(client->index, pcmp, npixels, | |
2623 | (int) stuff->red, (int) stuff->green, | |
2624 | (int) stuff->blue, (Bool) stuff->contiguous, | |
2625 | ppixels, &acpr.redMask, &acpr.greenMask, | |
2626 | &acpr.blueMask))) { | |
2627 | free(ppixels); | |
2628 | return rc; | |
2629 | } | |
2630 | acpr.length = bytes_to_int32(length); | |
2631 | #ifdef PANORAMIX | |
2632 | if (noPanoramiXExtension || !pcmp->pScreen->myNum) | |
2633 | #endif | |
2634 | { | |
2635 | WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr); | |
2636 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |
2637 | WriteSwappedDataToClient(client, length, ppixels); | |
2638 | } | |
2639 | free(ppixels); | |
2640 | return Success; | |
2641 | } | |
2642 | else { | |
2643 | client->errorValue = stuff->cmap; | |
2644 | return rc; | |
2645 | } | |
2646 | } | |
2647 | ||
2648 | int | |
2649 | ProcFreeColors(ClientPtr client) | |
2650 | { | |
2651 | ColormapPtr pcmp; | |
2652 | int rc; | |
2653 | ||
2654 | REQUEST(xFreeColorsReq); | |
2655 | ||
2656 | REQUEST_AT_LEAST_SIZE(xFreeColorsReq); | |
2657 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2658 | client, DixRemoveAccess); | |
2659 | if (rc == Success) { | |
2660 | int count; | |
2661 | ||
2662 | if (pcmp->flags & AllAllocated) | |
2663 | return BadAccess; | |
2664 | count = bytes_to_int32((client->req_len << 2) - sizeof(xFreeColorsReq)); | |
2665 | return FreeColors(pcmp, client->index, count, | |
2666 | (Pixel *) &stuff[1], (Pixel) stuff->planeMask); | |
2667 | } | |
2668 | else { | |
2669 | client->errorValue = stuff->cmap; | |
2670 | return rc; | |
2671 | } | |
2672 | } | |
2673 | ||
2674 | int | |
2675 | ProcStoreColors(ClientPtr client) | |
2676 | { | |
2677 | ColormapPtr pcmp; | |
2678 | int rc; | |
2679 | ||
2680 | REQUEST(xStoreColorsReq); | |
2681 | ||
2682 | REQUEST_AT_LEAST_SIZE(xStoreColorsReq); | |
2683 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2684 | client, DixWriteAccess); | |
2685 | if (rc == Success) { | |
2686 | int count; | |
2687 | ||
2688 | count = (client->req_len << 2) - sizeof(xStoreColorsReq); | |
2689 | if (count % sizeof(xColorItem)) | |
2690 | return BadLength; | |
2691 | count /= sizeof(xColorItem); | |
2692 | return StoreColors(pcmp, count, (xColorItem *) &stuff[1], client); | |
2693 | } | |
2694 | else { | |
2695 | client->errorValue = stuff->cmap; | |
2696 | return rc; | |
2697 | } | |
2698 | } | |
2699 | ||
2700 | int | |
2701 | ProcStoreNamedColor(ClientPtr client) | |
2702 | { | |
2703 | ColormapPtr pcmp; | |
2704 | int rc; | |
2705 | ||
2706 | REQUEST(xStoreNamedColorReq); | |
2707 | ||
2708 | REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes); | |
2709 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2710 | client, DixWriteAccess); | |
2711 | if (rc == Success) { | |
2712 | xColorItem def; | |
2713 | ||
2714 | if (OsLookupColor(pcmp->pScreen->myNum, (char *) &stuff[1], | |
2715 | stuff->nbytes, &def.red, &def.green, &def.blue)) { | |
2716 | def.flags = stuff->flags; | |
2717 | def.pixel = stuff->pixel; | |
2718 | return StoreColors(pcmp, 1, &def, client); | |
2719 | } | |
2720 | return BadName; | |
2721 | } | |
2722 | else { | |
2723 | client->errorValue = stuff->cmap; | |
2724 | return rc; | |
2725 | } | |
2726 | } | |
2727 | ||
2728 | int | |
2729 | ProcQueryColors(ClientPtr client) | |
2730 | { | |
2731 | ColormapPtr pcmp; | |
2732 | int rc; | |
2733 | ||
2734 | REQUEST(xQueryColorsReq); | |
2735 | ||
2736 | REQUEST_AT_LEAST_SIZE(xQueryColorsReq); | |
2737 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2738 | client, DixReadAccess); | |
2739 | if (rc == Success) { | |
2740 | int count; | |
2741 | xrgb *prgbs; | |
2742 | xQueryColorsReply qcr; | |
2743 | ||
2744 | count = | |
2745 | bytes_to_int32((client->req_len << 2) - sizeof(xQueryColorsReq)); | |
2746 | prgbs = calloc(1, count * sizeof(xrgb)); | |
2747 | if (!prgbs && count) | |
2748 | return BadAlloc; | |
2749 | if ((rc = | |
2750 | QueryColors(pcmp, count, (Pixel *) &stuff[1], prgbs, client))) { | |
2751 | free(prgbs); | |
2752 | return rc; | |
2753 | } | |
2754 | qcr = (xQueryColorsReply) { | |
2755 | .type = X_Reply, | |
2756 | .sequenceNumber = client->sequence, | |
2757 | .length = bytes_to_int32(count * sizeof(xrgb)), | |
2758 | .nColors = count | |
2759 | }; | |
2760 | WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr); | |
2761 | if (count) { | |
2762 | client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend; | |
2763 | WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs); | |
2764 | } | |
2765 | free(prgbs); | |
2766 | return Success; | |
2767 | ||
2768 | } | |
2769 | else { | |
2770 | client->errorValue = stuff->cmap; | |
2771 | return rc; | |
2772 | } | |
2773 | } | |
2774 | ||
2775 | int | |
2776 | ProcLookupColor(ClientPtr client) | |
2777 | { | |
2778 | ColormapPtr pcmp; | |
2779 | int rc; | |
2780 | ||
2781 | REQUEST(xLookupColorReq); | |
2782 | ||
2783 | REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes); | |
2784 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->cmap, RT_COLORMAP, | |
2785 | client, DixReadAccess); | |
2786 | if (rc == Success) { | |
2787 | CARD16 exactRed, exactGreen, exactBlue; | |
2788 | ||
2789 | if (OsLookupColor | |
2790 | (pcmp->pScreen->myNum, (char *) &stuff[1], stuff->nbytes, | |
2791 | &exactRed, &exactGreen, &exactBlue)) { | |
2792 | xLookupColorReply lcr = { | |
2793 | .type = X_Reply, | |
2794 | .sequenceNumber = client->sequence, | |
2795 | .length = 0, | |
2796 | .exactRed = exactRed, | |
2797 | .exactGreen = exactGreen, | |
2798 | .exactBlue = exactBlue, | |
2799 | .screenRed = exactRed, | |
2800 | .screenGreen = exactGreen, | |
2801 | .screenBlue = exactBlue | |
2802 | }; | |
2803 | (*pcmp->pScreen->ResolveColor) (&lcr.screenRed, | |
2804 | &lcr.screenGreen, | |
2805 | &lcr.screenBlue, pcmp->pVisual); | |
2806 | WriteReplyToClient(client, sizeof(xLookupColorReply), &lcr); | |
2807 | return Success; | |
2808 | } | |
2809 | return BadName; | |
2810 | } | |
2811 | else { | |
2812 | client->errorValue = stuff->cmap; | |
2813 | return rc; | |
2814 | } | |
2815 | } | |
2816 | ||
2817 | int | |
2818 | ProcCreateCursor(ClientPtr client) | |
2819 | { | |
2820 | CursorPtr pCursor; | |
2821 | PixmapPtr src; | |
2822 | PixmapPtr msk; | |
2823 | unsigned char *srcbits; | |
2824 | unsigned char *mskbits; | |
2825 | unsigned short width, height; | |
2826 | long n; | |
2827 | CursorMetricRec cm; | |
2828 | int rc; | |
2829 | ||
2830 | REQUEST(xCreateCursorReq); | |
2831 | ||
2832 | REQUEST_SIZE_MATCH(xCreateCursorReq); | |
2833 | LEGAL_NEW_RESOURCE(stuff->cid, client); | |
2834 | ||
2835 | rc = dixLookupResourceByType((pointer *) &src, stuff->source, RT_PIXMAP, | |
2836 | client, DixReadAccess); | |
2837 | if (rc != Success) { | |
2838 | client->errorValue = stuff->source; | |
2839 | return rc; | |
2840 | } | |
2841 | ||
2842 | if (src->drawable.depth != 1) | |
2843 | return (BadMatch); | |
2844 | ||
2845 | /* Find and validate cursor mask pixmap, if one is provided */ | |
2846 | if (stuff->mask != None) { | |
2847 | rc = dixLookupResourceByType((pointer *) &msk, stuff->mask, RT_PIXMAP, | |
2848 | client, DixReadAccess); | |
2849 | if (rc != Success) { | |
2850 | client->errorValue = stuff->mask; | |
2851 | return rc; | |
2852 | } | |
2853 | ||
2854 | if (src->drawable.width != msk->drawable.width | |
2855 | || src->drawable.height != msk->drawable.height | |
2856 | || src->drawable.depth != 1 || msk->drawable.depth != 1) | |
2857 | return BadMatch; | |
2858 | } | |
2859 | else | |
2860 | msk = NULL; | |
2861 | ||
2862 | width = src->drawable.width; | |
2863 | height = src->drawable.height; | |
2864 | ||
2865 | if (stuff->x > width || stuff->y > height) | |
2866 | return BadMatch; | |
2867 | ||
2868 | n = BitmapBytePad(width) * height; | |
2869 | srcbits = calloc(1, n); | |
2870 | if (!srcbits) | |
2871 | return BadAlloc; | |
2872 | mskbits = malloc(n); | |
2873 | if (!mskbits) { | |
2874 | free(srcbits); | |
2875 | return BadAlloc; | |
2876 | } | |
2877 | ||
2878 | (*src->drawable.pScreen->GetImage) ((DrawablePtr) src, 0, 0, width, height, | |
2879 | XYPixmap, 1, (pointer) srcbits); | |
2880 | if (msk == (PixmapPtr) NULL) { | |
2881 | unsigned char *bits = mskbits; | |
2882 | ||
2883 | while (--n >= 0) | |
2884 | *bits++ = ~0; | |
2885 | } | |
2886 | else { | |
2887 | /* zeroing the (pad) bits helps some ddx cursor handling */ | |
2888 | memset((char *) mskbits, 0, n); | |
2889 | (*msk->drawable.pScreen->GetImage) ((DrawablePtr) msk, 0, 0, width, | |
2890 | height, XYPixmap, 1, | |
2891 | (pointer) mskbits); | |
2892 | } | |
2893 | cm.width = width; | |
2894 | cm.height = height; | |
2895 | cm.xhot = stuff->x; | |
2896 | cm.yhot = stuff->y; | |
2897 | rc = AllocARGBCursor(srcbits, mskbits, NULL, &cm, | |
2898 | stuff->foreRed, stuff->foreGreen, stuff->foreBlue, | |
2899 | stuff->backRed, stuff->backGreen, stuff->backBlue, | |
2900 | &pCursor, client, stuff->cid); | |
2901 | ||
2902 | if (rc != Success) | |
2903 | goto bail; | |
2904 | if (!AddResource(stuff->cid, RT_CURSOR, (pointer) pCursor)) { | |
2905 | rc = BadAlloc; | |
2906 | goto bail; | |
2907 | } | |
2908 | ||
2909 | return Success; | |
2910 | bail: | |
2911 | free(srcbits); | |
2912 | free(mskbits); | |
2913 | return rc; | |
2914 | } | |
2915 | ||
2916 | int | |
2917 | ProcCreateGlyphCursor(ClientPtr client) | |
2918 | { | |
2919 | CursorPtr pCursor; | |
2920 | int res; | |
2921 | ||
2922 | REQUEST(xCreateGlyphCursorReq); | |
2923 | ||
2924 | REQUEST_SIZE_MATCH(xCreateGlyphCursorReq); | |
2925 | LEGAL_NEW_RESOURCE(stuff->cid, client); | |
2926 | ||
2927 | res = AllocGlyphCursor(stuff->source, stuff->sourceChar, | |
2928 | stuff->mask, stuff->maskChar, | |
2929 | stuff->foreRed, stuff->foreGreen, stuff->foreBlue, | |
2930 | stuff->backRed, stuff->backGreen, stuff->backBlue, | |
2931 | &pCursor, client, stuff->cid); | |
2932 | if (res != Success) | |
2933 | return res; | |
2934 | if (AddResource(stuff->cid, RT_CURSOR, (pointer) pCursor)) | |
2935 | return Success; | |
2936 | return BadAlloc; | |
2937 | } | |
2938 | ||
2939 | int | |
2940 | ProcFreeCursor(ClientPtr client) | |
2941 | { | |
2942 | CursorPtr pCursor; | |
2943 | int rc; | |
2944 | ||
2945 | REQUEST(xResourceReq); | |
2946 | ||
2947 | REQUEST_SIZE_MATCH(xResourceReq); | |
2948 | rc = dixLookupResourceByType((pointer *) &pCursor, stuff->id, RT_CURSOR, | |
2949 | client, DixDestroyAccess); | |
2950 | if (rc == Success) { | |
2951 | FreeResource(stuff->id, RT_NONE); | |
2952 | return Success; | |
2953 | } | |
2954 | else { | |
2955 | client->errorValue = stuff->id; | |
2956 | return rc; | |
2957 | } | |
2958 | } | |
2959 | ||
2960 | int | |
2961 | ProcQueryBestSize(ClientPtr client) | |
2962 | { | |
2963 | xQueryBestSizeReply reply; | |
2964 | DrawablePtr pDraw; | |
2965 | ScreenPtr pScreen; | |
2966 | int rc; | |
2967 | ||
2968 | REQUEST(xQueryBestSizeReq); | |
2969 | REQUEST_SIZE_MATCH(xQueryBestSizeReq); | |
2970 | ||
2971 | if ((stuff->class != CursorShape) && | |
2972 | (stuff->class != TileShape) && (stuff->class != StippleShape)) { | |
2973 | client->errorValue = stuff->class; | |
2974 | return BadValue; | |
2975 | } | |
2976 | ||
2977 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, | |
2978 | DixGetAttrAccess); | |
2979 | if (rc != Success) | |
2980 | return rc; | |
2981 | if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW) | |
2982 | return BadMatch; | |
2983 | pScreen = pDraw->pScreen; | |
2984 | rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess); | |
2985 | if (rc != Success) | |
2986 | return rc; | |
2987 | (*pScreen->QueryBestSize) (stuff->class, &stuff->width, | |
2988 | &stuff->height, pScreen); | |
2989 | reply = (xQueryBestSizeReply) { | |
2990 | .type = X_Reply, | |
2991 | .sequenceNumber = client->sequence, | |
2992 | .length = 0, | |
2993 | .width = stuff->width, | |
2994 | .height = stuff->height | |
2995 | }; | |
2996 | WriteReplyToClient(client, sizeof(xQueryBestSizeReply), &reply); | |
2997 | return Success; | |
2998 | } | |
2999 | ||
3000 | int | |
3001 | ProcSetScreenSaver(ClientPtr client) | |
3002 | { | |
3003 | int rc, i, blankingOption, exposureOption; | |
3004 | ||
3005 | REQUEST(xSetScreenSaverReq); | |
3006 | REQUEST_SIZE_MATCH(xSetScreenSaverReq); | |
3007 | ||
3008 | for (i = 0; i < screenInfo.numScreens; i++) { | |
3009 | rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], | |
3010 | DixSetAttrAccess); | |
3011 | if (rc != Success) | |
3012 | return rc; | |
3013 | } | |
3014 | ||
3015 | blankingOption = stuff->preferBlank; | |
3016 | if ((blankingOption != DontPreferBlanking) && | |
3017 | (blankingOption != PreferBlanking) && | |
3018 | (blankingOption != DefaultBlanking)) { | |
3019 | client->errorValue = blankingOption; | |
3020 | return BadValue; | |
3021 | } | |
3022 | exposureOption = stuff->allowExpose; | |
3023 | if ((exposureOption != DontAllowExposures) && | |
3024 | (exposureOption != AllowExposures) && | |
3025 | (exposureOption != DefaultExposures)) { | |
3026 | client->errorValue = exposureOption; | |
3027 | return BadValue; | |
3028 | } | |
3029 | if (stuff->timeout < -1) { | |
3030 | client->errorValue = stuff->timeout; | |
3031 | return BadValue; | |
3032 | } | |
3033 | if (stuff->interval < -1) { | |
3034 | client->errorValue = stuff->interval; | |
3035 | return BadValue; | |
3036 | } | |
3037 | ||
3038 | if (blankingOption == DefaultBlanking) | |
3039 | ScreenSaverBlanking = defaultScreenSaverBlanking; | |
3040 | else | |
3041 | ScreenSaverBlanking = blankingOption; | |
3042 | if (exposureOption == DefaultExposures) | |
3043 | ScreenSaverAllowExposures = defaultScreenSaverAllowExposures; | |
3044 | else | |
3045 | ScreenSaverAllowExposures = exposureOption; | |
3046 | ||
3047 | if (stuff->timeout >= 0) | |
3048 | ScreenSaverTime = stuff->timeout * MILLI_PER_SECOND; | |
3049 | else | |
3050 | ScreenSaverTime = defaultScreenSaverTime; | |
3051 | if (stuff->interval >= 0) | |
3052 | ScreenSaverInterval = stuff->interval * MILLI_PER_SECOND; | |
3053 | else | |
3054 | ScreenSaverInterval = defaultScreenSaverInterval; | |
3055 | ||
3056 | SetScreenSaverTimer(); | |
3057 | return Success; | |
3058 | } | |
3059 | ||
3060 | int | |
3061 | ProcGetScreenSaver(ClientPtr client) | |
3062 | { | |
3063 | xGetScreenSaverReply rep; | |
3064 | int rc, i; | |
3065 | ||
3066 | REQUEST_SIZE_MATCH(xReq); | |
3067 | ||
3068 | for (i = 0; i < screenInfo.numScreens; i++) { | |
3069 | rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], | |
3070 | DixGetAttrAccess); | |
3071 | if (rc != Success) | |
3072 | return rc; | |
3073 | } | |
3074 | ||
3075 | rep = (xGetScreenSaverReply) { | |
3076 | .type = X_Reply, | |
3077 | .sequenceNumber = client->sequence, | |
3078 | .length = 0, | |
3079 | .timeout = ScreenSaverTime / MILLI_PER_SECOND, | |
3080 | .interval = ScreenSaverInterval / MILLI_PER_SECOND, | |
3081 | .preferBlanking = ScreenSaverBlanking, | |
3082 | .allowExposures = ScreenSaverAllowExposures | |
3083 | }; | |
3084 | WriteReplyToClient(client, sizeof(xGetScreenSaverReply), &rep); | |
3085 | return Success; | |
3086 | } | |
3087 | ||
3088 | int | |
3089 | ProcChangeHosts(ClientPtr client) | |
3090 | { | |
3091 | REQUEST(xChangeHostsReq); | |
3092 | ||
3093 | REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength); | |
3094 | ||
3095 | if (stuff->mode == HostInsert) | |
3096 | return AddHost(client, (int) stuff->hostFamily, | |
3097 | stuff->hostLength, (pointer) &stuff[1]); | |
3098 | if (stuff->mode == HostDelete) | |
3099 | return RemoveHost(client, (int) stuff->hostFamily, | |
3100 | stuff->hostLength, (pointer) &stuff[1]); | |
3101 | client->errorValue = stuff->mode; | |
3102 | return BadValue; | |
3103 | } | |
3104 | ||
3105 | int | |
3106 | ProcListHosts(ClientPtr client) | |
3107 | { | |
3108 | xListHostsReply reply; | |
3109 | int len, nHosts, result; | |
3110 | BOOL enabled; | |
3111 | pointer pdata; | |
3112 | ||
3113 | /* REQUEST(xListHostsReq); */ | |
3114 | ||
3115 | REQUEST_SIZE_MATCH(xListHostsReq); | |
3116 | ||
3117 | /* untrusted clients can't list hosts */ | |
3118 | result = XaceHook(XACE_SERVER_ACCESS, client, DixReadAccess); | |
3119 | if (result != Success) | |
3120 | return result; | |
3121 | ||
3122 | result = GetHosts(&pdata, &nHosts, &len, &enabled); | |
3123 | if (result != Success) | |
3124 | return result; | |
3125 | ||
3126 | reply = (xListHostsReply) { | |
3127 | .type = X_Reply, | |
3128 | .enabled = enabled, | |
3129 | .sequenceNumber = client->sequence, | |
3130 | .length = bytes_to_int32(len), | |
3131 | .nHosts = nHosts | |
3132 | }; | |
3133 | WriteReplyToClient(client, sizeof(xListHostsReply), &reply); | |
3134 | if (nHosts) { | |
3135 | client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend; | |
3136 | WriteSwappedDataToClient(client, len, pdata); | |
3137 | } | |
3138 | free(pdata); | |
3139 | return Success; | |
3140 | } | |
3141 | ||
3142 | int | |
3143 | ProcChangeAccessControl(ClientPtr client) | |
3144 | { | |
3145 | REQUEST(xSetAccessControlReq); | |
3146 | ||
3147 | REQUEST_SIZE_MATCH(xSetAccessControlReq); | |
3148 | if ((stuff->mode != EnableAccess) && (stuff->mode != DisableAccess)) { | |
3149 | client->errorValue = stuff->mode; | |
3150 | return BadValue; | |
3151 | } | |
3152 | return ChangeAccessControl(client, stuff->mode == EnableAccess); | |
3153 | } | |
3154 | ||
3155 | /********************* | |
3156 | * CloseDownRetainedResources | |
3157 | * | |
3158 | * Find all clients that are gone and have terminated in RetainTemporary | |
3159 | * and destroy their resources. | |
3160 | *********************/ | |
3161 | ||
3162 | static void | |
3163 | CloseDownRetainedResources(void) | |
3164 | { | |
3165 | int i; | |
3166 | ClientPtr client; | |
3167 | ||
3168 | for (i = 1; i < currentMaxClients; i++) { | |
3169 | client = clients[i]; | |
3170 | if (client && (client->closeDownMode == RetainTemporary) | |
3171 | && (client->clientGone)) | |
3172 | CloseDownClient(client); | |
3173 | } | |
3174 | } | |
3175 | ||
3176 | int | |
3177 | ProcKillClient(ClientPtr client) | |
3178 | { | |
3179 | REQUEST(xResourceReq); | |
3180 | ClientPtr killclient; | |
3181 | int rc; | |
3182 | ||
3183 | REQUEST_SIZE_MATCH(xResourceReq); | |
3184 | if (stuff->id == AllTemporary) { | |
3185 | CloseDownRetainedResources(); | |
3186 | return Success; | |
3187 | } | |
3188 | ||
3189 | rc = dixLookupClient(&killclient, stuff->id, client, DixDestroyAccess); | |
3190 | if (rc == Success) { | |
3191 | CloseDownClient(killclient); | |
3192 | /* if an LBX proxy gets killed, isItTimeToYield will be set */ | |
3193 | if (isItTimeToYield || (client == killclient)) { | |
3194 | /* force yield and return Success, so that Dispatch() | |
3195 | * doesn't try to touch client | |
3196 | */ | |
3197 | isItTimeToYield = TRUE; | |
3198 | return Success; | |
3199 | } | |
3200 | return Success; | |
3201 | } | |
3202 | else | |
3203 | return rc; | |
3204 | } | |
3205 | ||
3206 | int | |
3207 | ProcSetFontPath(ClientPtr client) | |
3208 | { | |
3209 | unsigned char *ptr; | |
3210 | unsigned long nbytes, total; | |
3211 | long nfonts; | |
3212 | int n; | |
3213 | ||
3214 | REQUEST(xSetFontPathReq); | |
3215 | ||
3216 | REQUEST_AT_LEAST_SIZE(xSetFontPathReq); | |
3217 | ||
3218 | nbytes = (client->req_len << 2) - sizeof(xSetFontPathReq); | |
3219 | total = nbytes; | |
3220 | ptr = (unsigned char *) &stuff[1]; | |
3221 | nfonts = stuff->nFonts; | |
3222 | while (--nfonts >= 0) { | |
3223 | if ((total == 0) || (total < (n = (*ptr + 1)))) | |
3224 | return BadLength; | |
3225 | total -= n; | |
3226 | ptr += n; | |
3227 | } | |
3228 | if (total >= 4) | |
3229 | return BadLength; | |
3230 | return SetFontPath(client, stuff->nFonts, (unsigned char *) &stuff[1]); | |
3231 | } | |
3232 | ||
3233 | int | |
3234 | ProcGetFontPath(ClientPtr client) | |
3235 | { | |
3236 | xGetFontPathReply reply; | |
3237 | int rc, stringLens, numpaths; | |
3238 | unsigned char *bufferStart; | |
3239 | ||
3240 | /* REQUEST (xReq); */ | |
3241 | ||
3242 | REQUEST_SIZE_MATCH(xReq); | |
3243 | rc = GetFontPath(client, &numpaths, &stringLens, &bufferStart); | |
3244 | if (rc != Success) | |
3245 | return rc; | |
3246 | ||
3247 | reply = (xGetFontPathReply) { | |
3248 | .type = X_Reply, | |
3249 | .sequenceNumber = client->sequence, | |
3250 | .length = bytes_to_int32(stringLens + numpaths), | |
3251 | .nPaths = numpaths | |
3252 | }; | |
3253 | ||
3254 | WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply); | |
3255 | if (stringLens || numpaths) | |
3256 | WriteToClient(client, stringLens + numpaths, bufferStart); | |
3257 | return Success; | |
3258 | } | |
3259 | ||
3260 | int | |
3261 | ProcChangeCloseDownMode(ClientPtr client) | |
3262 | { | |
3263 | int rc; | |
3264 | ||
3265 | REQUEST(xSetCloseDownModeReq); | |
3266 | REQUEST_SIZE_MATCH(xSetCloseDownModeReq); | |
3267 | ||
3268 | rc = XaceHook(XACE_CLIENT_ACCESS, client, client, DixManageAccess); | |
3269 | if (rc != Success) | |
3270 | return rc; | |
3271 | ||
3272 | if ((stuff->mode == AllTemporary) || | |
3273 | (stuff->mode == RetainPermanent) || (stuff->mode == RetainTemporary)) { | |
3274 | client->closeDownMode = stuff->mode; | |
3275 | return Success; | |
3276 | } | |
3277 | else { | |
3278 | client->errorValue = stuff->mode; | |
3279 | return BadValue; | |
3280 | } | |
3281 | } | |
3282 | ||
3283 | int | |
3284 | ProcForceScreenSaver(ClientPtr client) | |
3285 | { | |
3286 | int rc; | |
3287 | ||
3288 | REQUEST(xForceScreenSaverReq); | |
3289 | ||
3290 | REQUEST_SIZE_MATCH(xForceScreenSaverReq); | |
3291 | ||
3292 | if ((stuff->mode != ScreenSaverReset) && (stuff->mode != ScreenSaverActive)) { | |
3293 | client->errorValue = stuff->mode; | |
3294 | return BadValue; | |
3295 | } | |
3296 | rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, (int) stuff->mode); | |
3297 | if (rc != Success) | |
3298 | return rc; | |
3299 | return Success; | |
3300 | } | |
3301 | ||
3302 | int | |
3303 | ProcNoOperation(ClientPtr client) | |
3304 | { | |
3305 | REQUEST_AT_LEAST_SIZE(xReq); | |
3306 | ||
3307 | /* noop -- don't do anything */ | |
3308 | return Success; | |
3309 | } | |
3310 | ||
3311 | /********************** | |
3312 | * CloseDownClient | |
3313 | * | |
3314 | * Client can either mark his resources destroy or retain. If retained and | |
3315 | * then killed again, the client is really destroyed. | |
3316 | *********************/ | |
3317 | ||
3318 | char dispatchExceptionAtReset = DE_RESET; | |
3319 | ||
3320 | void | |
3321 | CloseDownClient(ClientPtr client) | |
3322 | { | |
3323 | Bool really_close_down = client->clientGone || | |
3324 | client->closeDownMode == DestroyAll; | |
3325 | ||
3326 | if (!client->clientGone) { | |
3327 | /* ungrab server if grabbing client dies */ | |
3328 | if (grabState != GrabNone && grabClient == client) { | |
3329 | UngrabServer(client); | |
3330 | } | |
3331 | BITCLEAR(grabWaiters, client->index); | |
3332 | DeleteClientFromAnySelections(client); | |
3333 | ReleaseActiveGrabs(client); | |
3334 | DeleteClientFontStuff(client); | |
3335 | if (!really_close_down) { | |
3336 | /* This frees resources that should never be retained | |
3337 | * no matter what the close down mode is. Actually we | |
3338 | * could do this unconditionally, but it's probably | |
3339 | * better not to traverse all the client's resources | |
3340 | * twice (once here, once a few lines down in | |
3341 | * FreeClientResources) in the common case of | |
3342 | * really_close_down == TRUE. | |
3343 | */ | |
3344 | FreeClientNeverRetainResources(client); | |
3345 | client->clientState = ClientStateRetained; | |
3346 | if (ClientStateCallback) { | |
3347 | NewClientInfoRec clientinfo; | |
3348 | ||
3349 | clientinfo.client = client; | |
3350 | clientinfo.prefix = (xConnSetupPrefix *) NULL; | |
3351 | clientinfo.setup = (xConnSetup *) NULL; | |
3352 | CallCallbacks((&ClientStateCallback), (pointer) &clientinfo); | |
3353 | } | |
3354 | } | |
3355 | client->clientGone = TRUE; /* so events aren't sent to client */ | |
3356 | if (ClientIsAsleep(client)) | |
3357 | ClientSignal(client); | |
3358 | ProcessWorkQueueZombies(); | |
3359 | CloseDownConnection(client); | |
3360 | ||
3361 | /* If the client made it to the Running stage, nClients has | |
3362 | * been incremented on its behalf, so we need to decrement it | |
3363 | * now. If it hasn't gotten to Running, nClients has *not* | |
3364 | * been incremented, so *don't* decrement it. | |
3365 | */ | |
3366 | if (client->clientState != ClientStateInitial) { | |
3367 | --nClients; | |
3368 | } | |
3369 | } | |
3370 | ||
3371 | if (really_close_down) { | |
3372 | if (client->clientState == ClientStateRunning && nClients == 0) | |
3373 | dispatchException |= dispatchExceptionAtReset; | |
3374 | ||
3375 | client->clientState = ClientStateGone; | |
3376 | if (ClientStateCallback) { | |
3377 | NewClientInfoRec clientinfo; | |
3378 | ||
3379 | clientinfo.client = client; | |
3380 | clientinfo.prefix = (xConnSetupPrefix *) NULL; | |
3381 | clientinfo.setup = (xConnSetup *) NULL; | |
3382 | CallCallbacks((&ClientStateCallback), (pointer) &clientinfo); | |
3383 | } | |
3384 | TouchListenerGone(client->clientAsMask); | |
3385 | FreeClientResources(client); | |
3386 | /* Disable client ID tracking. This must be done after | |
3387 | * ClientStateCallback. */ | |
3388 | ReleaseClientIds(client); | |
3389 | #ifdef XSERVER_DTRACE | |
3390 | XSERVER_CLIENT_DISCONNECT(client->index); | |
3391 | #endif | |
3392 | if (client->index < nextFreeClientID) | |
3393 | nextFreeClientID = client->index; | |
3394 | clients[client->index] = NullClient; | |
3395 | SmartLastClient = NullClient; | |
3396 | dixFreeObjectWithPrivates(client, PRIVATE_CLIENT); | |
3397 | ||
3398 | while (!clients[currentMaxClients - 1]) | |
3399 | currentMaxClients--; | |
3400 | } | |
3401 | } | |
3402 | ||
3403 | static void | |
3404 | KillAllClients(void) | |
3405 | { | |
3406 | int i; | |
3407 | ||
3408 | for (i = 1; i < currentMaxClients; i++) | |
3409 | if (clients[i]) { | |
3410 | /* Make sure Retained clients are released. */ | |
3411 | clients[i]->closeDownMode = DestroyAll; | |
3412 | CloseDownClient(clients[i]); | |
3413 | } | |
3414 | } | |
3415 | ||
3416 | void | |
3417 | InitClient(ClientPtr client, int i, pointer ospriv) | |
3418 | { | |
3419 | client->index = i; | |
3420 | client->clientAsMask = ((Mask) i) << CLIENTOFFSET; | |
3421 | client->closeDownMode = i ? DestroyAll : RetainPermanent; | |
3422 | client->requestVector = InitialVector; | |
3423 | client->osPrivate = ospriv; | |
3424 | QueryMinMaxKeyCodes(&client->minKC, &client->maxKC); | |
3425 | client->smart_start_tick = SmartScheduleTime; | |
3426 | client->smart_stop_tick = SmartScheduleTime; | |
3427 | client->smart_check_tick = SmartScheduleTime; | |
3428 | client->clientIds = NULL; | |
3429 | } | |
3430 | ||
3431 | /************************ | |
3432 | * int NextAvailableClient(ospriv) | |
3433 | * | |
3434 | * OS dependent portion can't assign client id's because of CloseDownModes. | |
3435 | * Returns NULL if there are no free clients. | |
3436 | *************************/ | |
3437 | ||
3438 | ClientPtr | |
3439 | NextAvailableClient(pointer ospriv) | |
3440 | { | |
3441 | int i; | |
3442 | ClientPtr client; | |
3443 | xReq data; | |
3444 | ||
3445 | i = nextFreeClientID; | |
3446 | if (i == MAXCLIENTS) | |
3447 | return (ClientPtr) NULL; | |
3448 | clients[i] = client = | |
3449 | dixAllocateObjectWithPrivates(ClientRec, PRIVATE_CLIENT); | |
3450 | if (!client) | |
3451 | return (ClientPtr) NULL; | |
3452 | InitClient(client, i, ospriv); | |
3453 | if (!InitClientResources(client)) { | |
3454 | dixFreeObjectWithPrivates(client, PRIVATE_CLIENT); | |
3455 | return (ClientPtr) NULL; | |
3456 | } | |
3457 | data.reqType = 1; | |
3458 | data.length = bytes_to_int32(sz_xReq + sz_xConnClientPrefix); | |
3459 | if (!InsertFakeRequest(client, (char *) &data, sz_xReq)) { | |
3460 | FreeClientResources(client); | |
3461 | dixFreeObjectWithPrivates(client, PRIVATE_CLIENT); | |
3462 | return (ClientPtr) NULL; | |
3463 | } | |
3464 | if (i == currentMaxClients) | |
3465 | currentMaxClients++; | |
3466 | while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID]) | |
3467 | nextFreeClientID++; | |
3468 | ||
3469 | /* Enable client ID tracking. This must be done before | |
3470 | * ClientStateCallback. */ | |
3471 | ReserveClientIds(client); | |
3472 | ||
3473 | if (ClientStateCallback) { | |
3474 | NewClientInfoRec clientinfo; | |
3475 | ||
3476 | clientinfo.client = client; | |
3477 | clientinfo.prefix = (xConnSetupPrefix *) NULL; | |
3478 | clientinfo.setup = (xConnSetup *) NULL; | |
3479 | CallCallbacks((&ClientStateCallback), (pointer) &clientinfo); | |
3480 | } | |
3481 | return client; | |
3482 | } | |
3483 | ||
3484 | int | |
3485 | ProcInitialConnection(ClientPtr client) | |
3486 | { | |
3487 | REQUEST(xReq); | |
3488 | xConnClientPrefix *prefix; | |
3489 | int whichbyte = 1; | |
3490 | char order; | |
3491 | ||
3492 | prefix = (xConnClientPrefix *) ((char *)stuff + sz_xReq); | |
3493 | order = prefix->byteOrder; | |
3494 | if (order != 'l' && order != 'B' && order != 'r' && order != 'R') | |
3495 | return client->noClientException = -1; | |
3496 | if (((*(char *) &whichbyte) && (order == 'B' || order == 'R')) || | |
3497 | (!(*(char *) &whichbyte) && (order == 'l' || order == 'r'))) { | |
3498 | client->swapped = TRUE; | |
3499 | SwapConnClientPrefix(prefix); | |
3500 | } | |
3501 | stuff->reqType = 2; | |
3502 | stuff->length += bytes_to_int32(prefix->nbytesAuthProto) + | |
3503 | bytes_to_int32(prefix->nbytesAuthString); | |
3504 | if (client->swapped) { | |
3505 | swaps(&stuff->length); | |
3506 | } | |
3507 | if (order == 'r' || order == 'R') { | |
3508 | client->local = FALSE; | |
3509 | } | |
3510 | ResetCurrentRequest(client); | |
3511 | return Success; | |
3512 | } | |
3513 | ||
3514 | static int | |
3515 | SendConnSetup(ClientPtr client, const char *reason) | |
3516 | { | |
3517 | xWindowRoot *root; | |
3518 | int i; | |
3519 | int numScreens; | |
3520 | char *lConnectionInfo; | |
3521 | xConnSetupPrefix *lconnSetupPrefix; | |
3522 | ||
3523 | if (reason) { | |
3524 | xConnSetupPrefix csp; | |
3525 | ||
3526 | csp.success = xFalse; | |
3527 | csp.lengthReason = strlen(reason); | |
3528 | csp.length = bytes_to_int32(csp.lengthReason); | |
3529 | csp.majorVersion = X_PROTOCOL; | |
3530 | csp.minorVersion = X_PROTOCOL_REVISION; | |
3531 | if (client->swapped) | |
3532 | WriteSConnSetupPrefix(client, &csp); | |
3533 | else | |
3534 | WriteToClient(client, sz_xConnSetupPrefix, &csp); | |
3535 | WriteToClient(client, (int) csp.lengthReason, reason); | |
3536 | return client->noClientException = -1; | |
3537 | } | |
3538 | ||
3539 | numScreens = screenInfo.numScreens; | |
3540 | lConnectionInfo = ConnectionInfo; | |
3541 | lconnSetupPrefix = &connSetupPrefix; | |
3542 | ||
3543 | /* We're about to start speaking X protocol back to the client by | |
3544 | * sending the connection setup info. This means the authorization | |
3545 | * step is complete, and we can count the client as an | |
3546 | * authorized one. | |
3547 | */ | |
3548 | nClients++; | |
3549 | ||
3550 | client->requestVector = client->swapped ? SwappedProcVector : ProcVector; | |
3551 | client->sequence = 0; | |
3552 | ((xConnSetup *) lConnectionInfo)->ridBase = client->clientAsMask; | |
3553 | ((xConnSetup *) lConnectionInfo)->ridMask = RESOURCE_ID_MASK; | |
3554 | #ifdef MATCH_CLIENT_ENDIAN | |
3555 | ((xConnSetup *) lConnectionInfo)->imageByteOrder = ClientOrder(client); | |
3556 | ((xConnSetup *) lConnectionInfo)->bitmapBitOrder = ClientOrder(client); | |
3557 | #endif | |
3558 | /* fill in the "currentInputMask" */ | |
3559 | root = (xWindowRoot *) (lConnectionInfo + connBlockScreenStart); | |
3560 | #ifdef PANORAMIX | |
3561 | if (noPanoramiXExtension) | |
3562 | numScreens = screenInfo.numScreens; | |
3563 | else | |
3564 | numScreens = ((xConnSetup *) ConnectionInfo)->numRoots; | |
3565 | #endif | |
3566 | ||
3567 | for (i = 0; i < numScreens; i++) { | |
3568 | unsigned int j; | |
3569 | xDepth *pDepth; | |
3570 | WindowPtr pRoot = screenInfo.screens[i]->root; | |
3571 | ||
3572 | root->currentInputMask = pRoot->eventMask | wOtherEventMasks(pRoot); | |
3573 | pDepth = (xDepth *) (root + 1); | |
3574 | for (j = 0; j < root->nDepths; j++) { | |
3575 | pDepth = (xDepth *) (((char *) (pDepth + 1)) + | |
3576 | pDepth->nVisuals * sizeof(xVisualType)); | |
3577 | } | |
3578 | root = (xWindowRoot *) pDepth; | |
3579 | } | |
3580 | ||
3581 | if (client->swapped) { | |
3582 | WriteSConnSetupPrefix(client, lconnSetupPrefix); | |
3583 | WriteSConnectionInfo(client, | |
3584 | (unsigned long) (lconnSetupPrefix->length << 2), | |
3585 | lConnectionInfo); | |
3586 | } | |
3587 | else { | |
3588 | WriteToClient(client, sizeof(xConnSetupPrefix), lconnSetupPrefix); | |
3589 | WriteToClient(client, (int) (lconnSetupPrefix->length << 2), | |
3590 | lConnectionInfo); | |
3591 | } | |
3592 | client->clientState = ClientStateRunning; | |
3593 | if (ClientStateCallback) { | |
3594 | NewClientInfoRec clientinfo; | |
3595 | ||
3596 | clientinfo.client = client; | |
3597 | clientinfo.prefix = lconnSetupPrefix; | |
3598 | clientinfo.setup = (xConnSetup *) lConnectionInfo; | |
3599 | CallCallbacks((&ClientStateCallback), (pointer) &clientinfo); | |
3600 | } | |
3601 | return Success; | |
3602 | } | |
3603 | ||
3604 | int | |
3605 | ProcEstablishConnection(ClientPtr client) | |
3606 | { | |
3607 | const char *reason; | |
3608 | char *auth_proto, *auth_string; | |
3609 | xConnClientPrefix *prefix; | |
3610 | ||
3611 | REQUEST(xReq); | |
3612 | ||
3613 | prefix = (xConnClientPrefix *) ((char *) stuff + sz_xReq); | |
3614 | auth_proto = (char *) prefix + sz_xConnClientPrefix; | |
3615 | auth_string = auth_proto + pad_to_int32(prefix->nbytesAuthProto); | |
3616 | if ((prefix->majorVersion != X_PROTOCOL) || | |
3617 | (prefix->minorVersion != X_PROTOCOL_REVISION)) | |
3618 | reason = "Protocol version mismatch"; | |
3619 | else | |
3620 | reason = ClientAuthorized(client, | |
3621 | (unsigned short) prefix->nbytesAuthProto, | |
3622 | auth_proto, | |
3623 | (unsigned short) prefix->nbytesAuthString, | |
3624 | auth_string); | |
3625 | ||
3626 | return (SendConnSetup(client, reason)); | |
3627 | } | |
3628 | ||
3629 | void | |
3630 | SendErrorToClient(ClientPtr client, unsigned majorCode, unsigned minorCode, | |
3631 | XID resId, int errorCode) | |
3632 | { | |
3633 | xError rep = { | |
3634 | .type = X_Error, | |
3635 | .errorCode = errorCode, | |
3636 | .resourceID = resId, | |
3637 | .minorCode = minorCode, | |
3638 | .majorCode = majorCode | |
3639 | }; | |
3640 | ||
3641 | WriteEventsToClient(client, 1, (xEvent *) &rep); | |
3642 | } | |
3643 | ||
3644 | void | |
3645 | MarkClientException(ClientPtr client) | |
3646 | { | |
3647 | client->noClientException = -1; | |
3648 | } | |
3649 | ||
3650 | /* | |
3651 | * This array encodes the answer to the question "what is the log base 2 | |
3652 | * of the number of pixels that fit in a scanline pad unit?" | |
3653 | * Note that ~0 is an invalid entry (mostly for the benefit of the reader). | |
3654 | */ | |
3655 | static int answer[6][4] = { | |
3656 | /* pad pad pad pad */ | |
3657 | /* 8 16 32 64 */ | |
3658 | ||
3659 | {3, 4, 5, 6}, /* 1 bit per pixel */ | |
3660 | {1, 2, 3, 4}, /* 4 bits per pixel */ | |
3661 | {0, 1, 2, 3}, /* 8 bits per pixel */ | |
3662 | {~0, 0, 1, 2}, /* 16 bits per pixel */ | |
3663 | {~0, ~0, 0, 1}, /* 24 bits per pixel */ | |
3664 | {~0, ~0, 0, 1} /* 32 bits per pixel */ | |
3665 | }; | |
3666 | ||
3667 | /* | |
3668 | * This array gives the answer to the question "what is the first index for | |
3669 | * the answer array above given the number of bits per pixel?" | |
3670 | * Note that ~0 is an invalid entry (mostly for the benefit of the reader). | |
3671 | */ | |
3672 | static int indexForBitsPerPixel[33] = { | |
3673 | ~0, 0, ~0, ~0, /* 1 bit per pixel */ | |
3674 | 1, ~0, ~0, ~0, /* 4 bits per pixel */ | |
3675 | 2, ~0, ~0, ~0, /* 8 bits per pixel */ | |
3676 | ~0, ~0, ~0, ~0, | |
3677 | 3, ~0, ~0, ~0, /* 16 bits per pixel */ | |
3678 | ~0, ~0, ~0, ~0, | |
3679 | 4, ~0, ~0, ~0, /* 24 bits per pixel */ | |
3680 | ~0, ~0, ~0, ~0, | |
3681 | 5 /* 32 bits per pixel */ | |
3682 | }; | |
3683 | ||
3684 | /* | |
3685 | * This array gives the bytesperPixel value for cases where the number | |
3686 | * of bits per pixel is a multiple of 8 but not a power of 2. | |
3687 | */ | |
3688 | static int answerBytesPerPixel[33] = { | |
3689 | ~0, 0, ~0, ~0, /* 1 bit per pixel */ | |
3690 | 0, ~0, ~0, ~0, /* 4 bits per pixel */ | |
3691 | 0, ~0, ~0, ~0, /* 8 bits per pixel */ | |
3692 | ~0, ~0, ~0, ~0, | |
3693 | 0, ~0, ~0, ~0, /* 16 bits per pixel */ | |
3694 | ~0, ~0, ~0, ~0, | |
3695 | 3, ~0, ~0, ~0, /* 24 bits per pixel */ | |
3696 | ~0, ~0, ~0, ~0, | |
3697 | 0 /* 32 bits per pixel */ | |
3698 | }; | |
3699 | ||
3700 | /* | |
3701 | * This array gives the answer to the question "what is the second index for | |
3702 | * the answer array above given the number of bits per scanline pad unit?" | |
3703 | * Note that ~0 is an invalid entry (mostly for the benefit of the reader). | |
3704 | */ | |
3705 | static int indexForScanlinePad[65] = { | |
3706 | ~0, ~0, ~0, ~0, | |
3707 | ~0, ~0, ~0, ~0, | |
3708 | 0, ~0, ~0, ~0, /* 8 bits per scanline pad unit */ | |
3709 | ~0, ~0, ~0, ~0, | |
3710 | 1, ~0, ~0, ~0, /* 16 bits per scanline pad unit */ | |
3711 | ~0, ~0, ~0, ~0, | |
3712 | ~0, ~0, ~0, ~0, | |
3713 | ~0, ~0, ~0, ~0, | |
3714 | 2, ~0, ~0, ~0, /* 32 bits per scanline pad unit */ | |
3715 | ~0, ~0, ~0, ~0, | |
3716 | ~0, ~0, ~0, ~0, | |
3717 | ~0, ~0, ~0, ~0, | |
3718 | ~0, ~0, ~0, ~0, | |
3719 | ~0, ~0, ~0, ~0, | |
3720 | ~0, ~0, ~0, ~0, | |
3721 | ~0, ~0, ~0, ~0, | |
3722 | 3 /* 64 bits per scanline pad unit */ | |
3723 | }; | |
3724 | ||
3725 | /* | |
3726 | grow the array of screenRecs if necessary. | |
3727 | call the device-supplied initialization procedure | |
3728 | with its screen number, a pointer to its ScreenRec, argc, and argv. | |
3729 | return the number of successfully installed screens. | |
3730 | ||
3731 | */ | |
3732 | ||
3733 | static int init_screen(ScreenPtr pScreen, int i, Bool gpu) | |
3734 | { | |
3735 | int scanlinepad, format, depth, bitsPerPixel, j, k; | |
3736 | ||
3737 | dixInitScreenSpecificPrivates(pScreen); | |
3738 | ||
3739 | if (!dixAllocatePrivates(&pScreen->devPrivates, PRIVATE_SCREEN)) { | |
3740 | return -1; | |
3741 | } | |
3742 | pScreen->myNum = i; | |
3743 | if (gpu) { | |
3744 | pScreen->myNum += GPU_SCREEN_OFFSET; | |
3745 | pScreen->isGPU = TRUE; | |
3746 | } | |
3747 | pScreen->totalPixmapSize = 0; /* computed in CreateScratchPixmapForScreen */ | |
3748 | pScreen->ClipNotify = 0; /* for R4 ddx compatibility */ | |
3749 | pScreen->CreateScreenResources = 0; | |
3750 | ||
3751 | xorg_list_init(&pScreen->pixmap_dirty_list); | |
3752 | xorg_list_init(&pScreen->unattached_list); | |
3753 | xorg_list_init(&pScreen->output_slave_list); | |
3754 | xorg_list_init(&pScreen->offload_slave_list); | |
3755 | ||
3756 | /* | |
3757 | * This loop gets run once for every Screen that gets added, | |
3758 | * but thats ok. If the ddx layer initializes the formats | |
3759 | * one at a time calling AddScreen() after each, then each | |
3760 | * iteration will make it a little more accurate. Worst case | |
3761 | * we do this loop N * numPixmapFormats where N is # of screens. | |
3762 | * Anyway, this must be called after InitOutput and before the | |
3763 | * screen init routine is called. | |
3764 | */ | |
3765 | for (format = 0; format < screenInfo.numPixmapFormats; format++) { | |
3766 | depth = screenInfo.formats[format].depth; | |
3767 | bitsPerPixel = screenInfo.formats[format].bitsPerPixel; | |
3768 | scanlinepad = screenInfo.formats[format].scanlinePad; | |
3769 | j = indexForBitsPerPixel[bitsPerPixel]; | |
3770 | k = indexForScanlinePad[scanlinepad]; | |
3771 | PixmapWidthPaddingInfo[depth].padPixelsLog2 = answer[j][k]; | |
3772 | PixmapWidthPaddingInfo[depth].padRoundUp = | |
3773 | (scanlinepad / bitsPerPixel) - 1; | |
3774 | j = indexForBitsPerPixel[8]; /* bits per byte */ | |
3775 | PixmapWidthPaddingInfo[depth].padBytesLog2 = answer[j][k]; | |
3776 | PixmapWidthPaddingInfo[depth].bitsPerPixel = bitsPerPixel; | |
3777 | if (answerBytesPerPixel[bitsPerPixel]) { | |
3778 | PixmapWidthPaddingInfo[depth].notPower2 = 1; | |
3779 | PixmapWidthPaddingInfo[depth].bytesPerPixel = | |
3780 | answerBytesPerPixel[bitsPerPixel]; | |
3781 | } | |
3782 | else { | |
3783 | PixmapWidthPaddingInfo[depth].notPower2 = 0; | |
3784 | } | |
3785 | } | |
3786 | return 0; | |
3787 | } | |
3788 | ||
3789 | int | |
3790 | AddScreen(Bool (*pfnInit) (ScreenPtr /*pScreen */ , | |
3791 | int /*argc */ , | |
3792 | char ** /*argv */ | |
3793 | ), int argc, char **argv) | |
3794 | { | |
3795 | ||
3796 | int i; | |
3797 | ScreenPtr pScreen; | |
3798 | Bool ret; | |
3799 | ||
3800 | i = screenInfo.numScreens; | |
3801 | if (i == MAXSCREENS) | |
3802 | return -1; | |
3803 | ||
3804 | pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec)); | |
3805 | if (!pScreen) | |
3806 | return -1; | |
3807 | ||
3808 | ret = init_screen(pScreen, i, FALSE); | |
3809 | if (ret != 0) { | |
3810 | free(pScreen); | |
3811 | return ret; | |
3812 | } | |
3813 | /* This is where screen specific stuff gets initialized. Load the | |
3814 | screen structure, call the hardware, whatever. | |
3815 | This is also where the default colormap should be allocated and | |
3816 | also pixel values for blackPixel, whitePixel, and the cursor | |
3817 | Note that InitScreen is NOT allowed to modify argc, argv, or | |
3818 | any of the strings pointed to by argv. They may be passed to | |
3819 | multiple screens. | |
3820 | */ | |
3821 | screenInfo.screens[i] = pScreen; | |
3822 | screenInfo.numScreens++; | |
3823 | if (!(*pfnInit) (pScreen, argc, argv)) { | |
3824 | dixFreeScreenSpecificPrivates(pScreen); | |
3825 | dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN); | |
3826 | free(pScreen); | |
3827 | screenInfo.numScreens--; | |
3828 | return -1; | |
3829 | } | |
3830 | ||
3831 | update_desktop_dimensions(); | |
3832 | ||
3833 | dixRegisterScreenPrivateKey(&cursorScreenDevPriv, pScreen, PRIVATE_CURSOR, | |
3834 | 0); | |
3835 | ||
3836 | return i; | |
3837 | } | |
3838 | ||
3839 | int | |
3840 | AddGPUScreen(Bool (*pfnInit) (ScreenPtr /*pScreen */ , | |
3841 | int /*argc */ , | |
3842 | char ** /*argv */ | |
3843 | ), | |
3844 | int argc, char **argv) | |
3845 | { | |
3846 | int i; | |
3847 | ScreenPtr pScreen; | |
3848 | Bool ret; | |
3849 | ||
3850 | i = screenInfo.numGPUScreens; | |
3851 | if (i == MAXGPUSCREENS) | |
3852 | return -1; | |
3853 | ||
3854 | pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec)); | |
3855 | if (!pScreen) | |
3856 | return -1; | |
3857 | ||
3858 | ret = init_screen(pScreen, i, TRUE); | |
3859 | if (ret != 0) { | |
3860 | free(pScreen); | |
3861 | return ret; | |
3862 | } | |
3863 | ||
3864 | /* This is where screen specific stuff gets initialized. Load the | |
3865 | screen structure, call the hardware, whatever. | |
3866 | This is also where the default colormap should be allocated and | |
3867 | also pixel values for blackPixel, whitePixel, and the cursor | |
3868 | Note that InitScreen is NOT allowed to modify argc, argv, or | |
3869 | any of the strings pointed to by argv. They may be passed to | |
3870 | multiple screens. | |
3871 | */ | |
3872 | screenInfo.gpuscreens[i] = pScreen; | |
3873 | screenInfo.numGPUScreens++; | |
3874 | if (!(*pfnInit) (pScreen, argc, argv)) { | |
3875 | dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN); | |
3876 | free(pScreen); | |
3877 | screenInfo.numGPUScreens--; | |
3878 | return -1; | |
3879 | } | |
3880 | ||
3881 | update_desktop_dimensions(); | |
3882 | ||
3883 | return i; | |
3884 | } | |
3885 | ||
3886 | void | |
3887 | RemoveGPUScreen(ScreenPtr pScreen) | |
3888 | { | |
3889 | int idx, j; | |
3890 | if (!pScreen->isGPU) | |
3891 | return; | |
3892 | ||
3893 | idx = pScreen->myNum - GPU_SCREEN_OFFSET; | |
3894 | for (j = idx; j < screenInfo.numGPUScreens - 1; j++) { | |
3895 | screenInfo.gpuscreens[j] = screenInfo.gpuscreens[j + 1]; | |
3896 | screenInfo.gpuscreens[j]->myNum = j + GPU_SCREEN_OFFSET; | |
3897 | } | |
3898 | screenInfo.numGPUScreens--; | |
3899 | ||
3900 | /* this gets freed later in the resource list, but without | |
3901 | * the screen existing it causes crashes - so remove it here */ | |
3902 | if (pScreen->defColormap) | |
3903 | FreeResource(pScreen->defColormap, RT_COLORMAP); | |
3904 | free(pScreen); | |
3905 | ||
3906 | } | |
3907 | ||
3908 | void | |
3909 | AttachUnboundGPU(ScreenPtr pScreen, ScreenPtr new) | |
3910 | { | |
3911 | assert(new->isGPU); | |
3912 | assert(!new->current_master); | |
3913 | xorg_list_add(&new->unattached_head, &pScreen->unattached_list); | |
3914 | new->current_master = pScreen; | |
3915 | } | |
3916 | ||
3917 | void | |
3918 | DetachUnboundGPU(ScreenPtr slave) | |
3919 | { | |
3920 | assert(slave->isGPU); | |
3921 | xorg_list_del(&slave->unattached_head); | |
3922 | slave->current_master = NULL; | |
3923 | } | |
3924 | ||
3925 | void | |
3926 | AttachOutputGPU(ScreenPtr pScreen, ScreenPtr new) | |
3927 | { | |
3928 | assert(new->isGPU); | |
3929 | xorg_list_add(&new->output_head, &pScreen->output_slave_list); | |
3930 | new->current_master = pScreen; | |
3931 | } | |
3932 | ||
3933 | void | |
3934 | DetachOutputGPU(ScreenPtr slave) | |
3935 | { | |
3936 | assert(slave->isGPU); | |
3937 | xorg_list_del(&slave->output_head); | |
3938 | slave->current_master = NULL; | |
3939 | } | |
3940 | ||
3941 | void | |
3942 | AttachOffloadGPU(ScreenPtr pScreen, ScreenPtr new) | |
3943 | { | |
3944 | assert(new->isGPU); | |
3945 | xorg_list_add(&new->offload_head, &pScreen->offload_slave_list); | |
3946 | new->current_master = pScreen; | |
3947 | } | |
3948 | ||
3949 | void | |
3950 | DetachOffloadGPU(ScreenPtr slave) | |
3951 | { | |
3952 | assert(slave->isGPU); | |
3953 | xorg_list_del(&slave->offload_head); | |
3954 | slave->current_master = NULL; | |
3955 | } | |
3956 |