File: | randr/randr.c |
Location: | line 554, column 9 |
Description: | Value stored to 'master' is never read |
1 | /* |
2 | * Copyright © 2000 Compaq Computer Corporation |
3 | * Copyright © 2002 Hewlett-Packard Company |
4 | * Copyright © 2006 Intel Corporation |
5 | * |
6 | * Permission to use, copy, modify, distribute, and sell this software and its |
7 | * documentation for any purpose is hereby granted without fee, provided that |
8 | * the above copyright notice appear in all copies and that both that copyright |
9 | * notice and this permission notice appear in supporting documentation, and |
10 | * that the name of the copyright holders not be used in advertising or |
11 | * publicity pertaining to distribution of the software without specific, |
12 | * written prior permission. The copyright holders make no representations |
13 | * about the suitability of this software for any purpose. It is provided "as |
14 | * is" without express or implied warranty. |
15 | * |
16 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
18 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
22 | * OF THIS SOFTWARE. |
23 | * |
24 | * Author: Jim Gettys, Hewlett-Packard Company, Inc. |
25 | * Keith Packard, Intel Corporation |
26 | */ |
27 | |
28 | #ifdef HAVE_DIX_CONFIG_H1 |
29 | #include <dix-config.h> |
30 | #endif |
31 | |
32 | #include "randrstr.h" |
33 | #include "extinit.h" |
34 | |
35 | /* From render.h */ |
36 | #ifndef SubPixelUnknown0 |
37 | #define SubPixelUnknown0 0 |
38 | #endif |
39 | |
40 | #define RR_VALIDATE |
41 | static int RRNScreens; |
42 | |
43 | #define wrap(priv,real,mem,func){ priv->mem = real->mem; real->mem = func; } {\ |
44 | priv->mem = real->mem; \ |
45 | real->mem = func; \ |
46 | } |
47 | |
48 | #define unwrap(priv,real,mem){ real->mem = priv->mem; } {\ |
49 | real->mem = priv->mem; \ |
50 | } |
51 | |
52 | static int ProcRRDispatch(ClientPtr pClient); |
53 | static int SProcRRDispatch(ClientPtr pClient); |
54 | |
55 | int RREventBase; |
56 | int RRErrorBase; |
57 | RESTYPE RRClientType, RREventType; /* resource types for event masks */ |
58 | DevPrivateKeyRec RRClientPrivateKeyRec; |
59 | |
60 | DevPrivateKeyRec rrPrivKeyRec; |
61 | |
62 | static void |
63 | RRClientCallback(CallbackListPtr *list, void *closure, void *data) |
64 | { |
65 | NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; |
66 | ClientPtr pClient = clientinfo->client; |
67 | |
68 | rrClientPriv(pClient)RRClientPtr pRRClient = ((RRClientPtr)dixLookupPrivate(&( pClient)->devPrivates, (&RRClientPrivateKeyRec))); |
69 | RRTimesPtr pTimes = (RRTimesPtr) (pRRClient + 1); |
70 | int i; |
71 | |
72 | pRRClient->major_version = 0; |
73 | pRRClient->minor_version = 0; |
74 | for (i = 0; i < screenInfo.numScreens; i++) { |
75 | ScreenPtr pScreen = screenInfo.screens[i]; |
76 | |
77 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
78 | |
79 | if (pScrPriv) { |
80 | pTimes[i].setTime = pScrPriv->lastSetTime; |
81 | pTimes[i].configTime = pScrPriv->lastConfigTime; |
82 | } |
83 | } |
84 | } |
85 | |
86 | static Bool |
87 | RRCloseScreen(ScreenPtr pScreen) |
88 | { |
89 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
90 | int j; |
91 | |
92 | unwrap(pScrPriv, pScreen, CloseScreen){ pScreen->CloseScreen = pScrPriv->CloseScreen; }; |
93 | for (j = pScrPriv->numCrtcs - 1; j >= 0; j--) |
94 | RRCrtcDestroy(pScrPriv->crtcs[j]); |
95 | for (j = pScrPriv->numOutputs - 1; j >= 0; j--) |
96 | RROutputDestroy(pScrPriv->outputs[j]); |
97 | |
98 | if (pScrPriv->provider) |
99 | RRProviderDestroy(pScrPriv->provider); |
100 | |
101 | free(pScrPriv->crtcs); |
102 | free(pScrPriv->outputs); |
103 | free(pScrPriv); |
104 | RRNScreens -= 1; /* ok, one fewer screen with RandR running */ |
105 | return (*pScreen->CloseScreen) (pScreen); |
106 | } |
107 | |
108 | static void |
109 | SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent * from, |
110 | xRRScreenChangeNotifyEvent * to) |
111 | { |
112 | to->type = from->type; |
113 | to->rotation = from->rotation; |
114 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
115 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
116 | cpswapl(from->configTimestamp, to->configTimestamp)do { if (sizeof((from->configTimestamp)) != 4 || sizeof((to ->configTimestamp)) != 4) wrong_size(); (to->configTimestamp ) = lswapl((from->configTimestamp)); } while (0); |
117 | cpswapl(from->root, to->root)do { if (sizeof((from->root)) != 4 || sizeof((to->root) ) != 4) wrong_size(); (to->root) = lswapl((from->root)) ; } while (0); |
118 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
119 | cpswaps(from->sizeID, to->sizeID)do { if (sizeof((from->sizeID)) != 2 || sizeof((to->sizeID )) != 2) wrong_size(); (to->sizeID) = lswaps((from->sizeID )); } while (0); |
120 | cpswaps(from->subpixelOrder, to->subpixelOrder)do { if (sizeof((from->subpixelOrder)) != 2 || sizeof((to-> subpixelOrder)) != 2) wrong_size(); (to->subpixelOrder) = lswaps ((from->subpixelOrder)); } while (0); |
121 | cpswaps(from->widthInPixels, to->widthInPixels)do { if (sizeof((from->widthInPixels)) != 2 || sizeof((to-> widthInPixels)) != 2) wrong_size(); (to->widthInPixels) = lswaps ((from->widthInPixels)); } while (0); |
122 | cpswaps(from->heightInPixels, to->heightInPixels)do { if (sizeof((from->heightInPixels)) != 2 || sizeof((to ->heightInPixels)) != 2) wrong_size(); (to->heightInPixels ) = lswaps((from->heightInPixels)); } while (0); |
123 | cpswaps(from->widthInMillimeters, to->widthInMillimeters)do { if (sizeof((from->widthInMillimeters)) != 2 || sizeof ((to->widthInMillimeters)) != 2) wrong_size(); (to->widthInMillimeters ) = lswaps((from->widthInMillimeters)); } while (0); |
124 | cpswaps(from->heightInMillimeters, to->heightInMillimeters)do { if (sizeof((from->heightInMillimeters)) != 2 || sizeof ((to->heightInMillimeters)) != 2) wrong_size(); (to->heightInMillimeters ) = lswaps((from->heightInMillimeters)); } while (0); |
125 | } |
126 | |
127 | static void |
128 | SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent * from, |
129 | xRRCrtcChangeNotifyEvent * to) |
130 | { |
131 | to->type = from->type; |
132 | to->subCode = from->subCode; |
133 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
134 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
135 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
136 | cpswapl(from->crtc, to->crtc)do { if (sizeof((from->crtc)) != 4 || sizeof((to->crtc) ) != 4) wrong_size(); (to->crtc) = lswapl((from->crtc)) ; } while (0); |
137 | cpswapl(from->mode, to->mode)do { if (sizeof((from->mode)) != 4 || sizeof((to->mode) ) != 4) wrong_size(); (to->mode) = lswapl((from->mode)) ; } while (0); |
138 | cpswaps(from->rotation, to->rotation)do { if (sizeof((from->rotation)) != 2 || sizeof((to->rotation )) != 2) wrong_size(); (to->rotation) = lswaps((from->rotation )); } while (0); |
139 | /* pad1 */ |
140 | cpswaps(from->x, to->x)do { if (sizeof((from->x)) != 2 || sizeof((to->x)) != 2 ) wrong_size(); (to->x) = lswaps((from->x)); } while (0 ); |
141 | cpswaps(from->y, to->y)do { if (sizeof((from->y)) != 2 || sizeof((to->y)) != 2 ) wrong_size(); (to->y) = lswaps((from->y)); } while (0 ); |
142 | cpswaps(from->width, to->width)do { if (sizeof((from->width)) != 2 || sizeof((to->width )) != 2) wrong_size(); (to->width) = lswaps((from->width )); } while (0); |
143 | cpswaps(from->height, to->height)do { if (sizeof((from->height)) != 2 || sizeof((to->height )) != 2) wrong_size(); (to->height) = lswaps((from->height )); } while (0); |
144 | } |
145 | |
146 | static void |
147 | SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent * from, |
148 | xRROutputChangeNotifyEvent * to) |
149 | { |
150 | to->type = from->type; |
151 | to->subCode = from->subCode; |
152 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
153 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
154 | cpswapl(from->configTimestamp, to->configTimestamp)do { if (sizeof((from->configTimestamp)) != 4 || sizeof((to ->configTimestamp)) != 4) wrong_size(); (to->configTimestamp ) = lswapl((from->configTimestamp)); } while (0); |
155 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
156 | cpswapl(from->output, to->output)do { if (sizeof((from->output)) != 4 || sizeof((to->output )) != 4) wrong_size(); (to->output) = lswapl((from->output )); } while (0); |
157 | cpswapl(from->crtc, to->crtc)do { if (sizeof((from->crtc)) != 4 || sizeof((to->crtc) ) != 4) wrong_size(); (to->crtc) = lswapl((from->crtc)) ; } while (0); |
158 | cpswapl(from->mode, to->mode)do { if (sizeof((from->mode)) != 4 || sizeof((to->mode) ) != 4) wrong_size(); (to->mode) = lswapl((from->mode)) ; } while (0); |
159 | cpswaps(from->rotation, to->rotation)do { if (sizeof((from->rotation)) != 2 || sizeof((to->rotation )) != 2) wrong_size(); (to->rotation) = lswaps((from->rotation )); } while (0); |
160 | to->connection = from->connection; |
161 | to->subpixelOrder = from->subpixelOrder; |
162 | } |
163 | |
164 | static void |
165 | SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent * from, |
166 | xRROutputPropertyNotifyEvent * to) |
167 | { |
168 | to->type = from->type; |
169 | to->subCode = from->subCode; |
170 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
171 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
172 | cpswapl(from->output, to->output)do { if (sizeof((from->output)) != 4 || sizeof((to->output )) != 4) wrong_size(); (to->output) = lswapl((from->output )); } while (0); |
173 | cpswapl(from->atom, to->atom)do { if (sizeof((from->atom)) != 4 || sizeof((to->atom) ) != 4) wrong_size(); (to->atom) = lswapl((from->atom)) ; } while (0); |
174 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
175 | to->state = from->state; |
176 | /* pad1 */ |
177 | /* pad2 */ |
178 | /* pad3 */ |
179 | /* pad4 */ |
180 | } |
181 | |
182 | static void |
183 | SRRProviderChangeNotifyEvent(xRRProviderChangeNotifyEvent * from, |
184 | xRRProviderChangeNotifyEvent * to) |
185 | { |
186 | to->type = from->type; |
187 | to->subCode = from->subCode; |
188 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
189 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
190 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
191 | cpswapl(from->provider, to->provider)do { if (sizeof((from->provider)) != 4 || sizeof((to->provider )) != 4) wrong_size(); (to->provider) = lswapl((from->provider )); } while (0); |
192 | } |
193 | |
194 | static void |
195 | SRRProviderPropertyNotifyEvent(xRRProviderPropertyNotifyEvent * from, |
196 | xRRProviderPropertyNotifyEvent * to) |
197 | { |
198 | to->type = from->type; |
199 | to->subCode = from->subCode; |
200 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
201 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
202 | cpswapl(from->provider, to->provider)do { if (sizeof((from->provider)) != 4 || sizeof((to->provider )) != 4) wrong_size(); (to->provider) = lswapl((from->provider )); } while (0); |
203 | cpswapl(from->atom, to->atom)do { if (sizeof((from->atom)) != 4 || sizeof((to->atom) ) != 4) wrong_size(); (to->atom) = lswapl((from->atom)) ; } while (0); |
204 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
205 | to->state = from->state; |
206 | /* pad1 */ |
207 | /* pad2 */ |
208 | /* pad3 */ |
209 | /* pad4 */ |
210 | } |
211 | |
212 | static void |
213 | SRRResourceChangeNotifyEvent(xRRResourceChangeNotifyEvent * from, |
214 | xRRResourceChangeNotifyEvent * to) |
215 | { |
216 | to->type = from->type; |
217 | to->subCode = from->subCode; |
218 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); |
219 | cpswapl(from->timestamp, to->timestamp)do { if (sizeof((from->timestamp)) != 4 || sizeof((to-> timestamp)) != 4) wrong_size(); (to->timestamp) = lswapl(( from->timestamp)); } while (0); |
220 | cpswapl(from->window, to->window)do { if (sizeof((from->window)) != 4 || sizeof((to->window )) != 4) wrong_size(); (to->window) = lswapl((from->window )); } while (0); |
221 | } |
222 | |
223 | static void |
224 | SRRNotifyEvent(xEvent *from, xEvent *to) |
225 | { |
226 | switch (from->u.u.detail) { |
227 | case RRNotify_CrtcChange0: |
228 | SRRCrtcChangeNotifyEvent((xRRCrtcChangeNotifyEvent *) from, |
229 | (xRRCrtcChangeNotifyEvent *) to); |
230 | break; |
231 | case RRNotify_OutputChange1: |
232 | SRROutputChangeNotifyEvent((xRROutputChangeNotifyEvent *) from, |
233 | (xRROutputChangeNotifyEvent *) to); |
234 | break; |
235 | case RRNotify_OutputProperty2: |
236 | SRROutputPropertyNotifyEvent((xRROutputPropertyNotifyEvent *) from, |
237 | (xRROutputPropertyNotifyEvent *) to); |
238 | break; |
239 | case RRNotify_ProviderChange3: |
240 | SRRProviderChangeNotifyEvent((xRRProviderChangeNotifyEvent *) from, |
241 | (xRRProviderChangeNotifyEvent *) to); |
242 | break; |
243 | case RRNotify_ProviderProperty4: |
244 | SRRProviderPropertyNotifyEvent((xRRProviderPropertyNotifyEvent *) from, |
245 | (xRRProviderPropertyNotifyEvent *) to); |
246 | break; |
247 | case RRNotify_ResourceChange5: |
248 | SRRResourceChangeNotifyEvent((xRRResourceChangeNotifyEvent *) from, |
249 | (xRRResourceChangeNotifyEvent *) to); |
250 | default: |
251 | break; |
252 | } |
253 | } |
254 | |
255 | static int RRGeneration; |
256 | |
257 | Bool |
258 | RRInit(void) |
259 | { |
260 | if (RRGeneration != serverGeneration) { |
261 | if (!RRModeInit()) |
262 | return FALSE0; |
263 | if (!RRCrtcInit()) |
264 | return FALSE0; |
265 | if (!RROutputInit()) |
266 | return FALSE0; |
267 | if (!RRProviderInit()) |
268 | return FALSE0; |
269 | RRGeneration = serverGeneration; |
270 | } |
271 | if (!dixRegisterPrivateKey(&rrPrivKeyRec, PRIVATE_SCREEN, 0)) |
272 | return FALSE0; |
273 | |
274 | return TRUE1; |
275 | } |
276 | |
277 | Bool |
278 | RRScreenInit(ScreenPtr pScreen) |
279 | { |
280 | rrScrPrivPtr pScrPriv; |
281 | |
282 | if (!RRInit()) |
283 | return FALSE0; |
284 | |
285 | pScrPriv = (rrScrPrivPtr) calloc(1, sizeof(rrScrPrivRec)); |
286 | if (!pScrPriv) |
287 | return FALSE0; |
288 | |
289 | SetRRScreen(pScreen, pScrPriv)dixSetPrivate(&(pScreen)->devPrivates, (&rrPrivKeyRec ), pScrPriv); |
290 | |
291 | /* |
292 | * Calling function best set these function vectors |
293 | */ |
294 | pScrPriv->rrGetInfo = 0; |
295 | pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width; |
296 | pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height; |
297 | |
298 | pScrPriv->width = pScreen->width; |
299 | pScrPriv->height = pScreen->height; |
300 | pScrPriv->mmWidth = pScreen->mmWidth; |
301 | pScrPriv->mmHeight = pScreen->mmHeight; |
302 | #if RANDR_12_INTERFACE1 |
303 | pScrPriv->rrScreenSetSize = NULL((void*)0); |
304 | pScrPriv->rrCrtcSet = NULL((void*)0); |
305 | pScrPriv->rrCrtcSetGamma = NULL((void*)0); |
306 | #endif |
307 | #if RANDR_10_INTERFACE1 |
308 | pScrPriv->rrSetConfig = 0; |
309 | pScrPriv->rotations = RR_Rotate_01; |
310 | pScrPriv->reqWidth = pScreen->width; |
311 | pScrPriv->reqHeight = pScreen->height; |
312 | pScrPriv->nSizes = 0; |
313 | pScrPriv->pSizes = NULL((void*)0); |
314 | pScrPriv->rotation = RR_Rotate_01; |
315 | pScrPriv->rate = 0; |
316 | pScrPriv->size = 0; |
317 | #endif |
318 | |
319 | /* |
320 | * This value doesn't really matter -- any client must call |
321 | * GetScreenInfo before reading it which will automatically update |
322 | * the time |
323 | */ |
324 | pScrPriv->lastSetTime = currentTime; |
325 | pScrPriv->lastConfigTime = currentTime; |
326 | |
327 | wrap(pScrPriv, pScreen, CloseScreen, RRCloseScreen){ pScrPriv->CloseScreen = pScreen->CloseScreen; pScreen ->CloseScreen = RRCloseScreen; }; |
328 | |
329 | pScreen->ConstrainCursorHarder = RRConstrainCursorHarder; |
330 | pScreen->ReplaceScanoutPixmap = RRReplaceScanoutPixmap; |
331 | pScrPriv->numOutputs = 0; |
332 | pScrPriv->outputs = NULL((void*)0); |
333 | pScrPriv->numCrtcs = 0; |
334 | pScrPriv->crtcs = NULL((void*)0); |
335 | |
336 | RRNScreens += 1; /* keep count of screens that implement randr */ |
337 | return TRUE1; |
338 | } |
339 | |
340 | /*ARGSUSED*/ static int |
341 | RRFreeClient(void *data, XID id) |
342 | { |
343 | RREventPtr pRREvent; |
344 | WindowPtr pWin; |
345 | RREventPtr *pHead, pCur, pPrev; |
346 | |
347 | pRREvent = (RREventPtr) data; |
348 | pWin = pRREvent->window; |
349 | dixLookupResourceByType((void **) &pHead, pWin->drawable.id, |
350 | RREventType, serverClient, DixDestroyAccess(1<<2)); |
351 | if (pHead) { |
352 | pPrev = 0; |
353 | for (pCur = *pHead; pCur && pCur != pRREvent; pCur = pCur->next) |
354 | pPrev = pCur; |
355 | if (pCur) { |
356 | if (pPrev) |
357 | pPrev->next = pRREvent->next; |
358 | else |
359 | *pHead = pRREvent->next; |
360 | } |
361 | } |
362 | free((void *) pRREvent); |
363 | return 1; |
364 | } |
365 | |
366 | /*ARGSUSED*/ static int |
367 | RRFreeEvents(void *data, XID id) |
368 | { |
369 | RREventPtr *pHead, pCur, pNext; |
370 | |
371 | pHead = (RREventPtr *) data; |
372 | for (pCur = *pHead; pCur; pCur = pNext) { |
373 | pNext = pCur->next; |
374 | FreeResource(pCur->clientResource, RRClientType); |
375 | free((void *) pCur); |
376 | } |
377 | free((void *) pHead); |
378 | return 1; |
379 | } |
380 | |
381 | void |
382 | RRExtensionInit(void) |
383 | { |
384 | ExtensionEntry *extEntry; |
385 | |
386 | if (RRNScreens == 0) |
387 | return; |
388 | |
389 | if (!dixRegisterPrivateKey(&RRClientPrivateKeyRec, PRIVATE_CLIENT, |
390 | sizeof(RRClientRec) + |
391 | screenInfo.numScreens * sizeof(RRTimesRec))) |
392 | return; |
393 | if (!AddCallback(&ClientStateCallback, RRClientCallback, 0)) |
394 | return; |
395 | |
396 | RRClientType = CreateNewResourceType(RRFreeClient, "RandRClient"); |
397 | if (!RRClientType) |
398 | return; |
399 | RREventType = CreateNewResourceType(RRFreeEvents, "RandREvent"); |
400 | if (!RREventType) |
401 | return; |
402 | extEntry = AddExtension(RANDR_NAME"RANDR", RRNumberEvents2, RRNumberErrors4, |
403 | ProcRRDispatch, SProcRRDispatch, |
404 | NULL((void*)0), StandardMinorOpcode); |
405 | if (!extEntry) |
406 | return; |
407 | RRErrorBase = extEntry->errorBase; |
408 | RREventBase = extEntry->eventBase; |
409 | EventSwapVector[RREventBase + RRScreenChangeNotify0] = (EventSwapPtr) |
410 | SRRScreenChangeNotifyEvent; |
411 | EventSwapVector[RREventBase + RRNotify1] = (EventSwapPtr) |
412 | SRRNotifyEvent; |
413 | |
414 | RRModeInitErrorValue(); |
415 | RRCrtcInitErrorValue(); |
416 | RROutputInitErrorValue(); |
417 | RRProviderInitErrorValue(); |
418 | #ifdef PANORAMIX1 |
419 | RRXineramaExtensionInit(); |
420 | #endif |
421 | } |
422 | |
423 | void |
424 | RRResourcesChanged(ScreenPtr pScreen) |
425 | { |
426 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
427 | pScrPriv->resourcesChanged = TRUE1; |
428 | |
429 | RRSetChanged(pScreen); |
430 | } |
431 | |
432 | static void |
433 | RRDeliverResourceEvent(ClientPtr client, WindowPtr pWin) |
434 | { |
435 | ScreenPtr pScreen = pWin->drawable.pScreen; |
436 | |
437 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
438 | |
439 | xRRResourceChangeNotifyEvent re = { |
440 | .type = RRNotify1 + RREventBase, |
441 | .subCode = RRNotify_ResourceChange5, |
442 | .timestamp = pScrPriv->lastSetTime.milliseconds, |
443 | .window = pWin->drawable.id |
444 | }; |
445 | |
446 | WriteEventsToClient(client, 1, (xEvent *) &re); |
447 | } |
448 | |
449 | static int |
450 | TellChanged(WindowPtr pWin, void *value) |
451 | { |
452 | RREventPtr *pHead, pRREvent; |
453 | ClientPtr client; |
454 | ScreenPtr pScreen = pWin->drawable.pScreen; |
455 | ScreenPtr iter; |
456 | rrScrPrivPtr pSlaveScrPriv; |
457 | |
458 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
459 | int i; |
460 | |
461 | dixLookupResourceByType((void **) &pHead, pWin->drawable.id, |
462 | RREventType, serverClient, DixReadAccess(1<<0)); |
463 | if (!pHead) |
464 | return WT_WALKCHILDREN1; |
465 | |
466 | for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) { |
467 | client = pRREvent->client; |
468 | if (client == serverClient || client->clientGone) |
469 | continue; |
470 | |
471 | if (pRREvent->mask & RRScreenChangeNotifyMask(1L << 0)) |
472 | RRDeliverScreenEvent(client, pWin, pScreen); |
473 | |
474 | if (pRREvent->mask & RRCrtcChangeNotifyMask(1L << 1)) { |
475 | for (i = 0; i < pScrPriv->numCrtcs; i++) { |
476 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; |
477 | |
478 | if (crtc->changed) |
479 | RRDeliverCrtcEvent(client, pWin, crtc); |
480 | } |
481 | |
482 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head)for (iter = (typeof(*iter) *)((char *)((&pScreen->output_slave_list )->next) - __builtin_offsetof(typeof(*iter), output_head)) ; &iter->output_head != (&pScreen->output_slave_list ); iter = (typeof(*iter) *)((char *)(iter->output_head.next ) - __builtin_offsetof(typeof(*iter), output_head))) { |
483 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
484 | for (i = 0; i < pSlaveScrPriv->numCrtcs; i++) { |
485 | RRCrtcPtr crtc = pSlaveScrPriv->crtcs[i]; |
486 | |
487 | if (crtc->changed) |
488 | RRDeliverCrtcEvent(client, pWin, crtc); |
489 | } |
490 | } |
491 | } |
492 | |
493 | if (pRREvent->mask & RROutputChangeNotifyMask(1L << 2)) { |
494 | for (i = 0; i < pScrPriv->numOutputs; i++) { |
495 | RROutputPtr output = pScrPriv->outputs[i]; |
496 | |
497 | if (output->changed) |
498 | RRDeliverOutputEvent(client, pWin, output); |
499 | } |
500 | |
501 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head)for (iter = (typeof(*iter) *)((char *)((&pScreen->output_slave_list )->next) - __builtin_offsetof(typeof(*iter), output_head)) ; &iter->output_head != (&pScreen->output_slave_list ); iter = (typeof(*iter) *)((char *)(iter->output_head.next ) - __builtin_offsetof(typeof(*iter), output_head))) { |
502 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
503 | for (i = 0; i < pSlaveScrPriv->numOutputs; i++) { |
504 | RROutputPtr output = pSlaveScrPriv->outputs[i]; |
505 | |
506 | if (output->changed) |
507 | RRDeliverOutputEvent(client, pWin, output); |
508 | } |
509 | } |
510 | } |
511 | |
512 | if (pRREvent->mask & RRProviderChangeNotifyMask(1L << 4)) { |
513 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head)for (iter = (typeof(*iter) *)((char *)((&pScreen->output_slave_list )->next) - __builtin_offsetof(typeof(*iter), output_head)) ; &iter->output_head != (&pScreen->output_slave_list ); iter = (typeof(*iter) *)((char *)(iter->output_head.next ) - __builtin_offsetof(typeof(*iter), output_head))) { |
514 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
515 | if (pSlaveScrPriv->provider->changed) |
516 | RRDeliverProviderEvent(client, pWin, pSlaveScrPriv->provider); |
517 | } |
518 | xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head)for (iter = (typeof(*iter) *)((char *)((&pScreen->offload_slave_list )->next) - __builtin_offsetof(typeof(*iter), offload_head) ); &iter->offload_head != (&pScreen->offload_slave_list ); iter = (typeof(*iter) *)((char *)(iter->offload_head.next ) - __builtin_offsetof(typeof(*iter), offload_head))) { |
519 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
520 | if (pSlaveScrPriv->provider->changed) |
521 | RRDeliverProviderEvent(client, pWin, pSlaveScrPriv->provider); |
522 | } |
523 | xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head)for (iter = (typeof(*iter) *)((char *)((&pScreen->unattached_list )->next) - __builtin_offsetof(typeof(*iter), unattached_head )); &iter->unattached_head != (&pScreen->unattached_list ); iter = (typeof(*iter) *)((char *)(iter->unattached_head .next) - __builtin_offsetof(typeof(*iter), unattached_head))) { |
524 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
525 | if (pSlaveScrPriv->provider->changed) |
526 | RRDeliverProviderEvent(client, pWin, pSlaveScrPriv->provider); |
527 | } |
528 | } |
529 | |
530 | if (pRREvent->mask & RRResourceChangeNotifyMask(1L << 6)) { |
531 | if (pScrPriv->resourcesChanged) { |
532 | RRDeliverResourceEvent(client, pWin); |
533 | } |
534 | } |
535 | } |
536 | return WT_WALKCHILDREN1; |
537 | } |
538 | |
539 | void |
540 | RRSetChanged(ScreenPtr pScreen) |
541 | { |
542 | /* set changed bits on the master screen only */ |
543 | ScreenPtr master; |
544 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
545 | rrScrPrivPtr mastersp; |
546 | |
547 | if (pScreen->isGPU) { |
548 | master = pScreen->current_master; |
549 | if (!master) |
550 | return; |
551 | mastersp = rrGetScrPriv(master)((rrScrPrivPtr)dixLookupPrivate(&(master)->devPrivates , (&rrPrivKeyRec))); |
552 | } |
553 | else { |
554 | master = pScreen; |
Value stored to 'master' is never read | |
555 | mastersp = pScrPriv; |
556 | } |
557 | |
558 | mastersp->changed = TRUE1; |
559 | } |
560 | |
561 | /* |
562 | * Something changed; send events and adjust pointer position |
563 | */ |
564 | void |
565 | RRTellChanged(ScreenPtr pScreen) |
566 | { |
567 | ScreenPtr master; |
568 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
569 | rrScrPrivPtr mastersp; |
570 | int i; |
571 | ScreenPtr iter; |
572 | rrScrPrivPtr pSlaveScrPriv; |
573 | |
574 | if (pScreen->isGPU) { |
575 | master = pScreen->current_master; |
576 | mastersp = rrGetScrPriv(master)((rrScrPrivPtr)dixLookupPrivate(&(master)->devPrivates , (&rrPrivKeyRec))); |
577 | } |
578 | else { |
579 | master = pScreen; |
580 | mastersp = pScrPriv; |
581 | } |
582 | |
583 | if (mastersp->changed) { |
584 | UpdateCurrentTimeIf(); |
585 | if (mastersp->configChanged) { |
586 | mastersp->lastConfigTime = currentTime; |
587 | mastersp->configChanged = FALSE0; |
588 | } |
589 | pScrPriv->changed = FALSE0; |
590 | mastersp->changed = FALSE0; |
591 | |
592 | WalkTree(master, TellChanged, (void *) master); |
593 | |
594 | mastersp->resourcesChanged = FALSE0; |
595 | |
596 | for (i = 0; i < pScrPriv->numOutputs; i++) |
597 | pScrPriv->outputs[i]->changed = FALSE0; |
598 | for (i = 0; i < pScrPriv->numCrtcs; i++) |
599 | pScrPriv->crtcs[i]->changed = FALSE0; |
600 | |
601 | xorg_list_for_each_entry(iter, &master->output_slave_list, output_head)for (iter = (typeof(*iter) *)((char *)((&master->output_slave_list )->next) - __builtin_offsetof(typeof(*iter), output_head)) ; &iter->output_head != (&master->output_slave_list ); iter = (typeof(*iter) *)((char *)(iter->output_head.next ) - __builtin_offsetof(typeof(*iter), output_head))) { |
602 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
603 | pSlaveScrPriv->provider->changed = FALSE0; |
604 | for (i = 0; i < pSlaveScrPriv->numOutputs; i++) |
605 | pSlaveScrPriv->outputs[i]->changed = FALSE0; |
606 | for (i = 0; i < pSlaveScrPriv->numCrtcs; i++) |
607 | pSlaveScrPriv->crtcs[i]->changed = FALSE0; |
608 | } |
609 | xorg_list_for_each_entry(iter, &master->offload_slave_list, offload_head)for (iter = (typeof(*iter) *)((char *)((&master->offload_slave_list )->next) - __builtin_offsetof(typeof(*iter), offload_head) ); &iter->offload_head != (&master->offload_slave_list ); iter = (typeof(*iter) *)((char *)(iter->offload_head.next ) - __builtin_offsetof(typeof(*iter), offload_head))) { |
610 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
611 | pSlaveScrPriv->provider->changed = FALSE0; |
612 | } |
613 | xorg_list_for_each_entry(iter, &master->unattached_list, unattached_head)for (iter = (typeof(*iter) *)((char *)((&master->unattached_list )->next) - __builtin_offsetof(typeof(*iter), unattached_head )); &iter->unattached_head != (&master->unattached_list ); iter = (typeof(*iter) *)((char *)(iter->unattached_head .next) - __builtin_offsetof(typeof(*iter), unattached_head))) { |
614 | pSlaveScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); |
615 | pSlaveScrPriv->provider->changed = FALSE0; |
616 | } |
617 | |
618 | if (mastersp->layoutChanged) { |
619 | pScrPriv->layoutChanged = FALSE0; |
620 | RRPointerScreenConfigured(master); |
621 | RRSendConfigNotify(master); |
622 | } |
623 | } |
624 | } |
625 | |
626 | /* |
627 | * Return the first output which is connected to an active CRTC |
628 | * Used in emulating 1.0 behaviour |
629 | */ |
630 | RROutputPtr |
631 | RRFirstOutput(ScreenPtr pScreen) |
632 | { |
633 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); |
634 | RROutputPtr output; |
635 | int i, j; |
636 | |
637 | if (!pScrPriv) |
638 | return NULL((void*)0); |
639 | |
640 | if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) |
641 | return pScrPriv->primaryOutput; |
642 | |
643 | for (i = 0; i < pScrPriv->numCrtcs; i++) { |
644 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; |
645 | |
646 | for (j = 0; j < pScrPriv->numOutputs; j++) { |
647 | output = pScrPriv->outputs[j]; |
648 | if (output->crtc == crtc) |
649 | return output; |
650 | } |
651 | } |
652 | return NULL((void*)0); |
653 | } |
654 | |
655 | CARD16 |
656 | RRVerticalRefresh(xRRModeInfo * mode) |
657 | { |
658 | CARD32 refresh; |
659 | CARD32 dots = mode->hTotal * mode->vTotal; |
660 | |
661 | if (!dots) |
662 | return 0; |
663 | refresh = (mode->dotClock + dots / 2) / dots; |
664 | if (refresh > 0xffff) |
665 | refresh = 0xffff; |
666 | return (CARD16) refresh; |
667 | } |
668 | |
669 | static int |
670 | ProcRRDispatch(ClientPtr client) |
671 | { |
672 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; |
673 | if (stuff->data >= RRNumberRequests45 || !ProcRandrVector[stuff->data]) |
674 | return BadRequest1; |
675 | return (*ProcRandrVector[stuff->data]) (client); |
676 | } |
677 | |
678 | static int |
679 | SProcRRDispatch(ClientPtr client) |
680 | { |
681 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; |
682 | if (stuff->data >= RRNumberRequests45 || !SProcRandrVector[stuff->data]) |
683 | return BadRequest1; |
684 | return (*SProcRandrVector[stuff->data]) (client); |
685 | } |