File: | randr/rrscreen.c |
Location: | line 568, column 22 |
Description: | Array access (from variable 'crtcs') results in a null pointer dereference |
1 | /* | |||
2 | * Copyright © 2006 Keith Packard | |||
3 | * | |||
4 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
5 | * documentation for any purpose is hereby granted without fee, provided that | |||
6 | * the above copyright notice appear in all copies and that both that copyright | |||
7 | * notice and this permission notice appear in supporting documentation, and | |||
8 | * that the name of the copyright holders not be used in advertising or | |||
9 | * publicity pertaining to distribution of the software without specific, | |||
10 | * written prior permission. The copyright holders make no representations | |||
11 | * about the suitability of this software for any purpose. It is provided "as | |||
12 | * is" without express or implied warranty. | |||
13 | * | |||
14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |||
16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |||
18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |||
19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |||
20 | * OF THIS SOFTWARE. | |||
21 | */ | |||
22 | ||||
23 | #include "randrstr.h" | |||
24 | ||||
25 | static CARD16 | |||
26 | RR10CurrentSizeID(ScreenPtr pScreen); | |||
27 | ||||
28 | /* | |||
29 | * Edit connection information block so that new clients | |||
30 | * see the current screen size on connect | |||
31 | */ | |||
32 | static void | |||
33 | RREditConnectionInfo(ScreenPtr pScreen) | |||
34 | { | |||
35 | xConnSetup *connSetup; | |||
36 | char *vendor; | |||
37 | xPixmapFormat *formats; | |||
38 | xWindowRoot *root; | |||
39 | xDepth *depth; | |||
40 | xVisualType *visual; | |||
41 | int screen = 0; | |||
42 | int d; | |||
43 | ||||
44 | connSetup = (xConnSetup *) ConnectionInfo; | |||
45 | vendor = (char *) connSetup + sizeof(xConnSetup); | |||
46 | formats = (xPixmapFormat *) ((char *) vendor + | |||
47 | pad_to_int32(connSetup->nbytesVendor)); | |||
48 | root = (xWindowRoot *) ((char *) formats + | |||
49 | sizeof(xPixmapFormat) * | |||
50 | screenInfo.numPixmapFormats); | |||
51 | while (screen != pScreen->myNum) { | |||
52 | depth = (xDepth *) ((char *) root + sizeof(xWindowRoot)); | |||
53 | for (d = 0; d < root->nDepths; d++) { | |||
54 | visual = (xVisualType *) ((char *) depth + sizeof(xDepth)); | |||
55 | depth = (xDepth *) ((char *) visual + | |||
56 | depth->nVisuals * sizeof(xVisualType)); | |||
57 | } | |||
58 | root = (xWindowRoot *) ((char *) depth); | |||
59 | screen++; | |||
60 | } | |||
61 | root->pixWidth = pScreen->width; | |||
62 | root->pixHeight = pScreen->height; | |||
63 | root->mmWidth = pScreen->mmWidth; | |||
64 | root->mmHeight = pScreen->mmHeight; | |||
65 | } | |||
66 | ||||
67 | void | |||
68 | RRSendConfigNotify(ScreenPtr pScreen) | |||
69 | { | |||
70 | WindowPtr pWin = pScreen->root; | |||
71 | xEvent event = { | |||
72 | .u.configureNotify.window = pWin->drawable.id, | |||
73 | .u.configureNotify.aboveSibling = None0L, | |||
74 | .u.configureNotify.x = 0, | |||
75 | .u.configureNotify.y = 0, | |||
76 | ||||
77 | /* XXX xinerama stuff ? */ | |||
78 | ||||
79 | .u.configureNotify.width = pWin->drawable.width, | |||
80 | .u.configureNotify.height = pWin->drawable.height, | |||
81 | .u.configureNotify.borderWidth = wBorderWidth(pWin)((int) (pWin)->borderWidth), | |||
82 | .u.configureNotify.override = pWin->overrideRedirect | |||
83 | }; | |||
84 | event.u.u.type = ConfigureNotify22; | |||
85 | DeliverEvents(pWin, &event, 1, NullWindow((WindowPtr) 0)); | |||
86 | } | |||
87 | ||||
88 | void | |||
89 | RRDeliverScreenEvent(ClientPtr client, WindowPtr pWin, ScreenPtr pScreen) | |||
90 | { | |||
91 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
92 | RRCrtcPtr crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL((void*)0); | |||
93 | WindowPtr pRoot = pScreen->root; | |||
94 | ||||
95 | xRRScreenChangeNotifyEvent se = { | |||
96 | .type = RRScreenChangeNotify0 + RREventBase, | |||
97 | .rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_01), | |||
98 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||
99 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||
100 | .root = pRoot->drawable.id, | |||
101 | .window = pWin->drawable.id, | |||
102 | .subpixelOrder = PictureGetSubpixelOrder(pScreen), | |||
103 | ||||
104 | .sizeID = RR10CurrentSizeID(pScreen) | |||
105 | }; | |||
106 | ||||
107 | if (se.rotation & (RR_Rotate_902 | RR_Rotate_2708)) { | |||
108 | se.widthInPixels = pScreen->height; | |||
109 | se.heightInPixels = pScreen->width; | |||
110 | se.widthInMillimeters = pScreen->mmHeight; | |||
111 | se.heightInMillimeters = pScreen->mmWidth; | |||
112 | } | |||
113 | else { | |||
114 | se.widthInPixels = pScreen->width; | |||
115 | se.heightInPixels = pScreen->height; | |||
116 | se.widthInMillimeters = pScreen->mmWidth; | |||
117 | se.heightInMillimeters = pScreen->mmHeight; | |||
118 | } | |||
119 | ||||
120 | WriteEventsToClient(client, 1, (xEvent *) &se); | |||
121 | } | |||
122 | ||||
123 | /* | |||
124 | * Notify the extension that the screen size has been changed. | |||
125 | * The driver is responsible for calling this whenever it has changed | |||
126 | * the size of the screen | |||
127 | */ | |||
128 | void | |||
129 | RRScreenSizeNotify(ScreenPtr pScreen) | |||
130 | { | |||
131 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
132 | /* | |||
133 | * Deliver ConfigureNotify events when root changes | |||
134 | * pixel size | |||
135 | */ | |||
136 | if (pScrPriv->width == pScreen->width && | |||
137 | pScrPriv->height == pScreen->height && | |||
138 | pScrPriv->mmWidth == pScreen->mmWidth && | |||
139 | pScrPriv->mmHeight == pScreen->mmHeight) | |||
140 | return; | |||
141 | ||||
142 | pScrPriv->width = pScreen->width; | |||
143 | pScrPriv->height = pScreen->height; | |||
144 | pScrPriv->mmWidth = pScreen->mmWidth; | |||
145 | pScrPriv->mmHeight = pScreen->mmHeight; | |||
146 | RRSetChanged(pScreen); | |||
147 | /* pScrPriv->sizeChanged = TRUE; */ | |||
148 | ||||
149 | RRTellChanged(pScreen); | |||
150 | RRSendConfigNotify(pScreen); | |||
151 | RREditConnectionInfo(pScreen); | |||
152 | ||||
153 | RRPointerScreenConfigured(pScreen); | |||
154 | /* | |||
155 | * Fix pointer bounds and location | |||
156 | */ | |||
157 | ScreenRestructured(pScreen); | |||
158 | } | |||
159 | ||||
160 | /* | |||
161 | * Request that the screen be resized | |||
162 | */ | |||
163 | Bool | |||
164 | RRScreenSizeSet(ScreenPtr pScreen, | |||
165 | CARD16 width, CARD16 height, CARD32 mmWidth, CARD32 mmHeight) | |||
166 | { | |||
167 | rrScrPriv(pScreen)rrScrPrivPtr pScrPriv = ((rrScrPrivPtr)dixLookupPrivate(& (pScreen)->devPrivates, (&rrPrivKeyRec))); | |||
168 | ||||
169 | #if RANDR_12_INTERFACE1 | |||
170 | if (pScrPriv->rrScreenSetSize) { | |||
171 | return (*pScrPriv->rrScreenSetSize) (pScreen, | |||
172 | width, height, mmWidth, mmHeight); | |||
173 | } | |||
174 | #endif | |||
175 | #if RANDR_10_INTERFACE1 | |||
176 | if (pScrPriv->rrSetConfig) { | |||
177 | return TRUE1; /* can't set size separately */ | |||
178 | } | |||
179 | #endif | |||
180 | return FALSE0; | |||
181 | } | |||
182 | ||||
183 | /* | |||
184 | * Retrieve valid screen size range | |||
185 | */ | |||
186 | int | |||
187 | ProcRRGetScreenSizeRange(ClientPtr client) | |||
188 | { | |||
189 | REQUEST(xRRGetScreenSizeRangeReq)xRRGetScreenSizeRangeReq *stuff = (xRRGetScreenSizeRangeReq * )client->requestBuffer; | |||
190 | xRRGetScreenSizeRangeReply rep; | |||
191 | WindowPtr pWin; | |||
192 | ScreenPtr pScreen; | |||
193 | rrScrPrivPtr pScrPriv; | |||
194 | int rc; | |||
195 | ||||
196 | REQUEST_SIZE_MATCH(xRRGetScreenSizeRangeReq)if ((sizeof(xRRGetScreenSizeRangeReq) >> 2) != client-> req_len) return(16); | |||
197 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
198 | if (rc != Success0) | |||
199 | return rc; | |||
200 | ||||
201 | pScreen = pWin->drawable.pScreen; | |||
202 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
203 | ||||
204 | rep = (xRRGetScreenSizeRangeReply) { | |||
205 | .type = X_Reply1, | |||
206 | .pad = 0, | |||
207 | .sequenceNumber = client->sequence, | |||
208 | .length = 0 | |||
209 | }; | |||
210 | ||||
211 | if (pScrPriv) { | |||
212 | if (!RRGetInfo(pScreen, FALSE0)) | |||
213 | return BadAlloc11; | |||
214 | rep.minWidth = pScrPriv->minWidth; | |||
215 | rep.minHeight = pScrPriv->minHeight; | |||
216 | rep.maxWidth = pScrPriv->maxWidth; | |||
217 | rep.maxHeight = pScrPriv->maxHeight; | |||
218 | } | |||
219 | else { | |||
220 | rep.maxWidth = rep.minWidth = pScreen->width; | |||
221 | rep.maxHeight = rep.minHeight = pScreen->height; | |||
222 | } | |||
223 | if (client->swapped) { | |||
224 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
225 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
226 | swaps(&rep.minWidth)do { if (sizeof(*(&rep.minWidth)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.minWidth) & 1) && ((uintptr_t)(&rep.minWidth) & 1) == 0) *(&rep.minWidth ) = lswaps(*(&rep.minWidth)); else swap_uint16((uint16_t * )(&rep.minWidth)); } while (0); | |||
227 | swaps(&rep.minHeight)do { if (sizeof(*(&rep.minHeight)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.minHeight) & 1 ) && ((uintptr_t)(&rep.minHeight) & 1) == 0) * (&rep.minHeight) = lswaps(*(&rep.minHeight)); else swap_uint16 ((uint16_t *)(&rep.minHeight)); } while (0); | |||
228 | swaps(&rep.maxWidth)do { if (sizeof(*(&rep.maxWidth)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.maxWidth) & 1) && ((uintptr_t)(&rep.maxWidth) & 1) == 0) *(&rep.maxWidth ) = lswaps(*(&rep.maxWidth)); else swap_uint16((uint16_t * )(&rep.maxWidth)); } while (0); | |||
229 | swaps(&rep.maxHeight)do { if (sizeof(*(&rep.maxHeight)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.maxHeight) & 1 ) && ((uintptr_t)(&rep.maxHeight) & 1) == 0) * (&rep.maxHeight) = lswaps(*(&rep.maxHeight)); else swap_uint16 ((uint16_t *)(&rep.maxHeight)); } while (0); | |||
230 | } | |||
231 | WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), &rep); | |||
232 | return Success0; | |||
233 | } | |||
234 | ||||
235 | int | |||
236 | ProcRRSetScreenSize(ClientPtr client) | |||
237 | { | |||
238 | REQUEST(xRRSetScreenSizeReq)xRRSetScreenSizeReq *stuff = (xRRSetScreenSizeReq *)client-> requestBuffer; | |||
239 | WindowPtr pWin; | |||
240 | ScreenPtr pScreen; | |||
241 | rrScrPrivPtr pScrPriv; | |||
242 | int i, rc; | |||
243 | ||||
244 | REQUEST_SIZE_MATCH(xRRSetScreenSizeReq)if ((sizeof(xRRSetScreenSizeReq) >> 2) != client->req_len ) return(16); | |||
245 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
246 | if (rc != Success0) | |||
247 | return rc; | |||
248 | ||||
249 | pScreen = pWin->drawable.pScreen; | |||
250 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
251 | if (!pScrPriv) | |||
252 | return BadMatch8; | |||
253 | ||||
254 | if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width) { | |||
255 | client->errorValue = stuff->width; | |||
256 | return BadValue2; | |||
257 | } | |||
258 | if (stuff->height < pScrPriv->minHeight || | |||
259 | pScrPriv->maxHeight < stuff->height) { | |||
260 | client->errorValue = stuff->height; | |||
261 | return BadValue2; | |||
262 | } | |||
263 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
264 | RRCrtcPtr crtc = pScrPriv->crtcs[i]; | |||
265 | RRModePtr mode = crtc->mode; | |||
266 | ||||
267 | if (mode) { | |||
268 | int source_width = mode->mode.width; | |||
269 | int source_height = mode->mode.height; | |||
270 | Rotation rotation = crtc->rotation; | |||
271 | ||||
272 | if (rotation == RR_Rotate_902 || rotation == RR_Rotate_2708) { | |||
273 | source_width = mode->mode.height; | |||
274 | source_height = mode->mode.width; | |||
275 | } | |||
276 | ||||
277 | if (crtc->x + source_width > stuff->width || | |||
278 | crtc->y + source_height > stuff->height) | |||
279 | return BadMatch8; | |||
280 | } | |||
281 | } | |||
282 | if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0) { | |||
283 | client->errorValue = 0; | |||
284 | return BadValue2; | |||
285 | } | |||
286 | if (!RRScreenSizeSet(pScreen, | |||
287 | stuff->width, stuff->height, | |||
288 | stuff->widthInMillimeters, | |||
289 | stuff->heightInMillimeters)) { | |||
290 | return BadMatch8; | |||
291 | } | |||
292 | return Success0; | |||
293 | } | |||
294 | ||||
295 | ||||
296 | #define update_totals(gpuscreen, pScrPriv)do { total_crtcs += pScrPriv->numCrtcs; total_outputs += pScrPriv ->numOutputs; modes = RRModesForScreen(gpuscreen, &num_modes ); if (!modes) return 11; for (j = 0; j < num_modes; j++) total_name_len += modes[j]->mode.nameLength; total_modes += num_modes; free (modes); } while(0) do { \ | |||
297 | total_crtcs += pScrPriv->numCrtcs; \ | |||
298 | total_outputs += pScrPriv->numOutputs; \ | |||
299 | modes = RRModesForScreen(gpuscreen, &num_modes); \ | |||
300 | if (!modes) \ | |||
301 | return BadAlloc11; \ | |||
302 | for (j = 0; j < num_modes; j++) \ | |||
303 | total_name_len += modes[j]->mode.nameLength; \ | |||
304 | total_modes += num_modes; \ | |||
305 | free(modes); \ | |||
306 | } while(0) | |||
307 | ||||
308 | static inline void swap_modeinfos(xRRModeInfo *modeinfos, int i) | |||
309 | { | |||
310 | swapl(&modeinfos[i].id)do { if (sizeof(*(&modeinfos[i].id)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].id) & 3) && ((uintptr_t)(&modeinfos[i].id) & 3) == 0) *(&modeinfos[i].id) = lswapl(*(&modeinfos[i].id)) ; else swap_uint32((uint32_t *)(&modeinfos[i].id)); } while (0); | |||
311 | swaps(&modeinfos[i].width)do { if (sizeof(*(&modeinfos[i].width)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].width ) & 1) && ((uintptr_t)(&modeinfos[i].width) & 1) == 0) *(&modeinfos[i].width) = lswaps(*(&modeinfos [i].width)); else swap_uint16((uint16_t *)(&modeinfos[i]. width)); } while (0); | |||
312 | swaps(&modeinfos[i].height)do { if (sizeof(*(&modeinfos[i].height)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].height ) & 1) && ((uintptr_t)(&modeinfos[i].height) & 1) == 0) *(&modeinfos[i].height) = lswaps(*(&modeinfos [i].height)); else swap_uint16((uint16_t *)(&modeinfos[i] .height)); } while (0); | |||
313 | swapl(&modeinfos[i].dotClock)do { if (sizeof(*(&modeinfos[i].dotClock)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].dotClock ) & 3) && ((uintptr_t)(&modeinfos[i].dotClock ) & 3) == 0) *(&modeinfos[i].dotClock) = lswapl(*(& modeinfos[i].dotClock)); else swap_uint32((uint32_t *)(&modeinfos [i].dotClock)); } while (0); | |||
314 | swaps(&modeinfos[i].hSyncStart)do { if (sizeof(*(&modeinfos[i].hSyncStart)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hSyncStart ) & 1) && ((uintptr_t)(&modeinfos[i].hSyncStart ) & 1) == 0) *(&modeinfos[i].hSyncStart) = lswaps(*(& modeinfos[i].hSyncStart)); else swap_uint16((uint16_t *)(& modeinfos[i].hSyncStart)); } while (0); | |||
315 | swaps(&modeinfos[i].hSyncEnd)do { if (sizeof(*(&modeinfos[i].hSyncEnd)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hSyncEnd ) & 1) && ((uintptr_t)(&modeinfos[i].hSyncEnd ) & 1) == 0) *(&modeinfos[i].hSyncEnd) = lswaps(*(& modeinfos[i].hSyncEnd)); else swap_uint16((uint16_t *)(&modeinfos [i].hSyncEnd)); } while (0); | |||
316 | swaps(&modeinfos[i].hTotal)do { if (sizeof(*(&modeinfos[i].hTotal)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hTotal ) & 1) && ((uintptr_t)(&modeinfos[i].hTotal) & 1) == 0) *(&modeinfos[i].hTotal) = lswaps(*(&modeinfos [i].hTotal)); else swap_uint16((uint16_t *)(&modeinfos[i] .hTotal)); } while (0); | |||
317 | swaps(&modeinfos[i].hSkew)do { if (sizeof(*(&modeinfos[i].hSkew)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hSkew ) & 1) && ((uintptr_t)(&modeinfos[i].hSkew) & 1) == 0) *(&modeinfos[i].hSkew) = lswaps(*(&modeinfos [i].hSkew)); else swap_uint16((uint16_t *)(&modeinfos[i]. hSkew)); } while (0); | |||
318 | swaps(&modeinfos[i].vSyncStart)do { if (sizeof(*(&modeinfos[i].vSyncStart)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].vSyncStart ) & 1) && ((uintptr_t)(&modeinfos[i].vSyncStart ) & 1) == 0) *(&modeinfos[i].vSyncStart) = lswaps(*(& modeinfos[i].vSyncStart)); else swap_uint16((uint16_t *)(& modeinfos[i].vSyncStart)); } while (0); | |||
319 | swaps(&modeinfos[i].vSyncEnd)do { if (sizeof(*(&modeinfos[i].vSyncEnd)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].vSyncEnd ) & 1) && ((uintptr_t)(&modeinfos[i].vSyncEnd ) & 1) == 0) *(&modeinfos[i].vSyncEnd) = lswaps(*(& modeinfos[i].vSyncEnd)); else swap_uint16((uint16_t *)(&modeinfos [i].vSyncEnd)); } while (0); | |||
320 | swaps(&modeinfos[i].vTotal)do { if (sizeof(*(&modeinfos[i].vTotal)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].vTotal ) & 1) && ((uintptr_t)(&modeinfos[i].vTotal) & 1) == 0) *(&modeinfos[i].vTotal) = lswaps(*(&modeinfos [i].vTotal)); else swap_uint16((uint16_t *)(&modeinfos[i] .vTotal)); } while (0); | |||
321 | swaps(&modeinfos[i].nameLength)do { if (sizeof(*(&modeinfos[i].nameLength)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].nameLength ) & 1) && ((uintptr_t)(&modeinfos[i].nameLength ) & 1) == 0) *(&modeinfos[i].nameLength) = lswaps(*(& modeinfos[i].nameLength)); else swap_uint16((uint16_t *)(& modeinfos[i].nameLength)); } while (0); | |||
322 | swapl(&modeinfos[i].modeFlags)do { if (sizeof(*(&modeinfos[i].modeFlags)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].modeFlags ) & 3) && ((uintptr_t)(&modeinfos[i].modeFlags ) & 3) == 0) *(&modeinfos[i].modeFlags) = lswapl(*(& modeinfos[i].modeFlags)); else swap_uint32((uint32_t *)(& modeinfos[i].modeFlags)); } while (0); | |||
323 | } | |||
324 | ||||
325 | #define update_arrays(gpuscreen, pScrPriv, primary_crtc, has_primary)do { for (j = 0; j < pScrPriv->numCrtcs; j++) { if (has_primary && primary_crtc == pScrPriv->crtcs[j]) { has_primary = 0; continue; } crtcs[crtc_count] = pScrPriv->crtcs[j]-> id; if (client->swapped) do { if (sizeof(*(&crtcs[crtc_count ])) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)( &crtcs[crtc_count]) & 3) && ((uintptr_t)(& crtcs[crtc_count]) & 3) == 0) *(&crtcs[crtc_count]) = lswapl(*(&crtcs[crtc_count])); else swap_uint32((uint32_t *)(&crtcs[crtc_count])); } while (0); crtc_count++; } for (j = 0; j < pScrPriv->numOutputs; j++) { outputs[output_count ] = pScrPriv->outputs[j]->id; if (client->swapped) do { if (sizeof(*(&outputs[output_count])) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&outputs[output_count ]) & 3) && ((uintptr_t)(&outputs[output_count ]) & 3) == 0) *(&outputs[output_count]) = lswapl(*(& outputs[output_count])); else swap_uint32((uint32_t *)(&outputs [output_count])); } while (0); output_count++; } { RRModePtr mode ; modes = RRModesForScreen(gpuscreen, &num_modes); for (j = 0; j < num_modes; j++) { mode = modes[j]; modeinfos[mode_count ] = mode->mode; if (client->swapped) { swap_modeinfos(modeinfos , mode_count); } __builtin___memcpy_chk (names, mode->name , mode->mode.nameLength, __builtin_object_size (names, 0)) ; names += mode->mode.nameLength; mode_count++; } free(modes ); } } while (0) do { \ | |||
326 | for (j = 0; j < pScrPriv->numCrtcs; j++) { \ | |||
327 | if (has_primary && \ | |||
328 | primary_crtc == pScrPriv->crtcs[j]) { \ | |||
329 | has_primary = 0; \ | |||
330 | continue; \ | |||
331 | }\ | |||
332 | crtcs[crtc_count] = pScrPriv->crtcs[j]->id; \ | |||
333 | if (client->swapped) \ | |||
334 | swapl(&crtcs[crtc_count])do { if (sizeof(*(&crtcs[crtc_count])) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&crtcs[crtc_count] ) & 3) && ((uintptr_t)(&crtcs[crtc_count]) & 3) == 0) *(&crtcs[crtc_count]) = lswapl(*(&crtcs[crtc_count ])); else swap_uint32((uint32_t *)(&crtcs[crtc_count])); } while (0); \ | |||
335 | crtc_count++; \ | |||
336 | } \ | |||
337 | for (j = 0; j < pScrPriv->numOutputs; j++) { \ | |||
338 | outputs[output_count] = pScrPriv->outputs[j]->id; \ | |||
339 | if (client->swapped) \ | |||
340 | swapl(&outputs[output_count])do { if (sizeof(*(&outputs[output_count])) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&outputs[output_count ]) & 3) && ((uintptr_t)(&outputs[output_count ]) & 3) == 0) *(&outputs[output_count]) = lswapl(*(& outputs[output_count])); else swap_uint32((uint32_t *)(&outputs [output_count])); } while (0); \ | |||
341 | output_count++; \ | |||
342 | } \ | |||
343 | { \ | |||
344 | RRModePtr mode; \ | |||
345 | modes = RRModesForScreen(gpuscreen, &num_modes); \ | |||
346 | for (j = 0; j < num_modes; j++) { \ | |||
347 | mode = modes[j]; \ | |||
348 | modeinfos[mode_count] = mode->mode; \ | |||
349 | if (client->swapped) { \ | |||
350 | swap_modeinfos(modeinfos, mode_count); \ | |||
351 | } \ | |||
352 | memcpy(names, mode->name, mode->mode.nameLength)__builtin___memcpy_chk (names, mode->name, mode->mode.nameLength , __builtin_object_size (names, 0)); \ | |||
353 | names += mode->mode.nameLength; \ | |||
354 | mode_count++; \ | |||
355 | } \ | |||
356 | free(modes); \ | |||
357 | } \ | |||
358 | } while (0) | |||
359 | ||||
360 | static int | |||
361 | rrGetMultiScreenResources(ClientPtr client, Bool query, ScreenPtr pScreen) | |||
362 | { | |||
363 | int j; | |||
364 | int total_crtcs, total_outputs, total_modes, total_name_len; | |||
365 | int crtc_count, output_count, mode_count; | |||
366 | ScreenPtr iter; | |||
367 | rrScrPrivPtr pScrPriv; | |||
368 | int num_modes; | |||
369 | RRModePtr *modes; | |||
370 | xRRGetScreenResourcesReply rep; | |||
371 | unsigned long extraLen; | |||
372 | CARD8 *extra; | |||
373 | RRCrtc *crtcs; | |||
374 | RRCrtcPtr primary_crtc = NULL((void*)0); | |||
375 | RROutput *outputs; | |||
376 | xRRModeInfo *modeinfos; | |||
377 | CARD8 *names; | |||
378 | int has_primary = 0; | |||
379 | ||||
380 | /* we need to iterate all the GPU masters and all their output slaves */ | |||
381 | total_crtcs = 0; | |||
382 | total_outputs = 0; | |||
383 | total_modes = 0; | |||
384 | total_name_len = 0; | |||
385 | ||||
386 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
387 | ||||
388 | if (query && pScrPriv) | |||
389 | if (!RRGetInfo(pScreen, query)) | |||
390 | return BadAlloc11; | |||
391 | ||||
392 | update_totals(pScreen, pScrPriv)do { total_crtcs += pScrPriv->numCrtcs; total_outputs += pScrPriv ->numOutputs; modes = RRModesForScreen(pScreen, &num_modes ); if (!modes) return 11; for (j = 0; j < num_modes; j++) total_name_len += modes[j]->mode.nameLength; total_modes += num_modes; free (modes); } while(0); | |||
393 | ||||
394 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head)for (iter = ((void*)0), 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))) { | |||
395 | pScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); | |||
396 | ||||
397 | if (query) | |||
398 | if (!RRGetInfo(iter, query)) | |||
399 | return BadAlloc11; | |||
400 | update_totals(iter, pScrPriv)do { total_crtcs += pScrPriv->numCrtcs; total_outputs += pScrPriv ->numOutputs; modes = RRModesForScreen(iter, &num_modes ); if (!modes) return 11; for (j = 0; j < num_modes; j++) total_name_len += modes[j]->mode.nameLength; total_modes += num_modes; free (modes); } while(0); | |||
401 | } | |||
402 | ||||
403 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
404 | rep = (xRRGetScreenResourcesReply) { | |||
405 | .type = X_Reply1, | |||
406 | .sequenceNumber = client->sequence, | |||
407 | .length = 0, | |||
408 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||
409 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||
410 | .nCrtcs = total_crtcs, | |||
411 | .nOutputs = total_outputs, | |||
412 | .nModes = total_modes, | |||
413 | .nbytesNames = total_name_len | |||
414 | }; | |||
415 | ||||
416 | rep.length = (total_crtcs + total_outputs + | |||
417 | total_modes * bytes_to_int32(SIZEOF(xRRModeInfo)32) + | |||
418 | bytes_to_int32(total_name_len)); | |||
419 | ||||
420 | extraLen = rep.length << 2; | |||
421 | if (extraLen) { | |||
422 | extra = malloc(extraLen); | |||
423 | if (!extra) { | |||
424 | return BadAlloc11; | |||
425 | } | |||
426 | } | |||
427 | else | |||
428 | extra = NULL((void*)0); | |||
429 | ||||
430 | crtcs = (RRCrtc *)extra; | |||
431 | outputs = (RROutput *)(crtcs + total_crtcs); | |||
432 | modeinfos = (xRRModeInfo *)(outputs + total_outputs); | |||
433 | names = (CARD8 *)(modeinfos + total_modes); | |||
434 | ||||
435 | crtc_count = 0; | |||
436 | output_count = 0; | |||
437 | mode_count = 0; | |||
438 | ||||
439 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
440 | if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) { | |||
441 | has_primary = 1; | |||
442 | primary_crtc = pScrPriv->primaryOutput->crtc; | |||
443 | crtcs[0] = pScrPriv->primaryOutput->crtc->id; | |||
444 | if (client->swapped) | |||
445 | swapl(&crtcs[0])do { if (sizeof(*(&crtcs[0])) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&crtcs[0]) & 3) && ((uintptr_t)( &crtcs[0]) & 3) == 0) *(&crtcs[0]) = lswapl(*(& crtcs[0])); else swap_uint32((uint32_t *)(&crtcs[0])); } while (0); | |||
446 | crtc_count = 1; | |||
447 | } | |||
448 | update_arrays(pScreen, pScrPriv, primary_crtc, has_primary)do { for (j = 0; j < pScrPriv->numCrtcs; j++) { if (has_primary && primary_crtc == pScrPriv->crtcs[j]) { has_primary = 0; continue; } crtcs[crtc_count] = pScrPriv->crtcs[j]-> id; if (client->swapped) do { if (sizeof(*(&crtcs[crtc_count ])) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)( &crtcs[crtc_count]) & 3) && ((uintptr_t)(& crtcs[crtc_count]) & 3) == 0) *(&crtcs[crtc_count]) = lswapl(*(&crtcs[crtc_count])); else swap_uint32((uint32_t *)(&crtcs[crtc_count])); } while (0); crtc_count++; } for (j = 0; j < pScrPriv->numOutputs; j++) { outputs[output_count ] = pScrPriv->outputs[j]->id; if (client->swapped) do { if (sizeof(*(&outputs[output_count])) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&outputs[output_count ]) & 3) && ((uintptr_t)(&outputs[output_count ]) & 3) == 0) *(&outputs[output_count]) = lswapl(*(& outputs[output_count])); else swap_uint32((uint32_t *)(&outputs [output_count])); } while (0); output_count++; } { RRModePtr mode ; modes = RRModesForScreen(pScreen, &num_modes); for (j = 0; j < num_modes; j++) { mode = modes[j]; modeinfos[mode_count ] = mode->mode; if (client->swapped) { swap_modeinfos(modeinfos , mode_count); } __builtin___memcpy_chk (names, mode->name , mode->mode.nameLength, __builtin_object_size (names, 0)) ; names += mode->mode.nameLength; mode_count++; } free(modes ); } } while (0); | |||
449 | ||||
450 | xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head)for (iter = ((void*)0), 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))) { | |||
451 | pScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); | |||
452 | ||||
453 | update_arrays(iter, pScrPriv, primary_crtc, has_primary)do { for (j = 0; j < pScrPriv->numCrtcs; j++) { if (has_primary && primary_crtc == pScrPriv->crtcs[j]) { has_primary = 0; continue; } crtcs[crtc_count] = pScrPriv->crtcs[j]-> id; if (client->swapped) do { if (sizeof(*(&crtcs[crtc_count ])) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)( &crtcs[crtc_count]) & 3) && ((uintptr_t)(& crtcs[crtc_count]) & 3) == 0) *(&crtcs[crtc_count]) = lswapl(*(&crtcs[crtc_count])); else swap_uint32((uint32_t *)(&crtcs[crtc_count])); } while (0); crtc_count++; } for (j = 0; j < pScrPriv->numOutputs; j++) { outputs[output_count ] = pScrPriv->outputs[j]->id; if (client->swapped) do { if (sizeof(*(&outputs[output_count])) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&outputs[output_count ]) & 3) && ((uintptr_t)(&outputs[output_count ]) & 3) == 0) *(&outputs[output_count]) = lswapl(*(& outputs[output_count])); else swap_uint32((uint32_t *)(&outputs [output_count])); } while (0); output_count++; } { RRModePtr mode ; modes = RRModesForScreen(iter, &num_modes); for (j = 0; j < num_modes; j++) { mode = modes[j]; modeinfos[mode_count ] = mode->mode; if (client->swapped) { swap_modeinfos(modeinfos , mode_count); } __builtin___memcpy_chk (names, mode->name , mode->mode.nameLength, __builtin_object_size (names, 0)) ; names += mode->mode.nameLength; mode_count++; } free(modes ); } } while (0); | |||
454 | } | |||
455 | ||||
456 | assert(bytes_to_int32((char *) names - (char *) extra) == rep.length)(__builtin_expect(!(bytes_to_int32((char *) names - (char *) extra ) == rep.length), 0) ? __assert_rtn(__func__, "rrscreen.c", 456 , "bytes_to_int32((char *) names - (char *) extra) == rep.length" ) : (void)0); | |||
457 | if (client->swapped) { | |||
458 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
459 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
460 | swapl(&rep.timestamp)do { if (sizeof(*(&rep.timestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.timestamp) & 3 ) && ((uintptr_t)(&rep.timestamp) & 3) == 0) * (&rep.timestamp) = lswapl(*(&rep.timestamp)); else swap_uint32 ((uint32_t *)(&rep.timestamp)); } while (0); | |||
461 | swapl(&rep.configTimestamp)do { if (sizeof(*(&rep.configTimestamp)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep.configTimestamp ) & 3) && ((uintptr_t)(&rep.configTimestamp) & 3) == 0) *(&rep.configTimestamp) = lswapl(*(&rep.configTimestamp )); else swap_uint32((uint32_t *)(&rep.configTimestamp)); } while (0); | |||
462 | swaps(&rep.nCrtcs)do { if (sizeof(*(&rep.nCrtcs)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.nCrtcs) & 1) && ((uintptr_t )(&rep.nCrtcs) & 1) == 0) *(&rep.nCrtcs) = lswaps (*(&rep.nCrtcs)); else swap_uint16((uint16_t *)(&rep. nCrtcs)); } while (0); | |||
463 | swaps(&rep.nOutputs)do { if (sizeof(*(&rep.nOutputs)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.nOutputs) & 1) && ((uintptr_t)(&rep.nOutputs) & 1) == 0) *(&rep.nOutputs ) = lswaps(*(&rep.nOutputs)); else swap_uint16((uint16_t * )(&rep.nOutputs)); } while (0); | |||
464 | swaps(&rep.nModes)do { if (sizeof(*(&rep.nModes)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.nModes) & 1) && ((uintptr_t )(&rep.nModes) & 1) == 0) *(&rep.nModes) = lswaps (*(&rep.nModes)); else swap_uint16((uint16_t *)(&rep. nModes)); } while (0); | |||
465 | swaps(&rep.nbytesNames)do { if (sizeof(*(&rep.nbytesNames)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.nbytesNames) & 1) && ((uintptr_t)(&rep.nbytesNames) & 1) == 0) *(&rep.nbytesNames) = lswaps(*(&rep.nbytesNames)) ; else swap_uint16((uint16_t *)(&rep.nbytesNames)); } while (0); | |||
466 | } | |||
467 | WriteToClient(client, sizeof(xRRGetScreenResourcesReply), &rep); | |||
468 | if (extraLen) { | |||
469 | WriteToClient(client, extraLen, extra); | |||
470 | free(extra); | |||
471 | } | |||
472 | return Success0; | |||
473 | } | |||
474 | ||||
475 | static int | |||
476 | rrGetScreenResources(ClientPtr client, Bool query) | |||
477 | { | |||
478 | REQUEST(xRRGetScreenResourcesReq)xRRGetScreenResourcesReq *stuff = (xRRGetScreenResourcesReq * )client->requestBuffer; | |||
479 | xRRGetScreenResourcesReply rep; | |||
480 | WindowPtr pWin; | |||
481 | ScreenPtr pScreen; | |||
482 | rrScrPrivPtr pScrPriv; | |||
483 | CARD8 *extra; | |||
484 | unsigned long extraLen; | |||
485 | int i, rc, has_primary = 0; | |||
486 | RRCrtc *crtcs; | |||
487 | RROutput *outputs; | |||
488 | xRRModeInfo *modeinfos; | |||
489 | CARD8 *names; | |||
490 | ||||
491 | REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq)if ((sizeof(xRRGetScreenResourcesReq) >> 2) != client-> req_len) return(16); | |||
492 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
493 | if (rc != Success0) | |||
| ||||
494 | return rc; | |||
495 | ||||
496 | pScreen = pWin->drawable.pScreen; | |||
497 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
498 | ||||
499 | if (query && pScrPriv) | |||
500 | if (!RRGetInfo(pScreen, query)) | |||
501 | return BadAlloc11; | |||
502 | ||||
503 | if (!xorg_list_is_empty(&pScreen->output_slave_list)) | |||
504 | return rrGetMultiScreenResources(client, query, pScreen); | |||
505 | ||||
506 | if (!pScrPriv) { | |||
507 | rep = (xRRGetScreenResourcesReply) { | |||
508 | .type = X_Reply1, | |||
509 | .sequenceNumber = client->sequence, | |||
510 | .length = 0, | |||
511 | .timestamp = currentTime.milliseconds, | |||
512 | .configTimestamp = currentTime.milliseconds, | |||
513 | .nCrtcs = 0, | |||
514 | .nOutputs = 0, | |||
515 | .nModes = 0, | |||
516 | .nbytesNames = 0 | |||
517 | }; | |||
518 | extra = NULL((void*)0); | |||
519 | extraLen = 0; | |||
520 | } | |||
521 | else { | |||
522 | RRModePtr *modes; | |||
523 | int num_modes; | |||
524 | ||||
525 | modes = RRModesForScreen(pScreen, &num_modes); | |||
526 | if (!modes) | |||
527 | return BadAlloc11; | |||
528 | ||||
529 | rep = (xRRGetScreenResourcesReply) { | |||
530 | .type = X_Reply1, | |||
531 | .sequenceNumber = client->sequence, | |||
532 | .length = 0, | |||
533 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||
534 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||
535 | .nCrtcs = pScrPriv->numCrtcs, | |||
536 | .nOutputs = pScrPriv->numOutputs, | |||
537 | .nModes = num_modes, | |||
538 | .nbytesNames = 0 | |||
539 | }; | |||
540 | ||||
541 | ||||
542 | for (i = 0; i < num_modes; i++) | |||
543 | rep.nbytesNames += modes[i]->mode.nameLength; | |||
544 | ||||
545 | rep.length = (pScrPriv->numCrtcs + | |||
546 | pScrPriv->numOutputs + | |||
547 | num_modes * bytes_to_int32(SIZEOF(xRRModeInfo)32) + | |||
548 | bytes_to_int32(rep.nbytesNames)); | |||
549 | ||||
550 | extraLen = rep.length << 2; | |||
551 | if (extraLen) { | |||
552 | extra = malloc(extraLen); | |||
553 | if (!extra) { | |||
554 | free(modes); | |||
555 | return BadAlloc11; | |||
556 | } | |||
557 | } | |||
558 | else | |||
559 | extra = NULL((void*)0); | |||
560 | ||||
561 | crtcs = (RRCrtc *) extra; | |||
562 | outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs); | |||
563 | modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs); | |||
564 | names = (CARD8 *) (modeinfos + num_modes); | |||
565 | ||||
566 | if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) { | |||
567 | has_primary = 1; | |||
568 | crtcs[0] = pScrPriv->primaryOutput->crtc->id; | |||
| ||||
569 | if (client->swapped) | |||
570 | swapl(&crtcs[0])do { if (sizeof(*(&crtcs[0])) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&crtcs[0]) & 3) && ((uintptr_t)( &crtcs[0]) & 3) == 0) *(&crtcs[0]) = lswapl(*(& crtcs[0])); else swap_uint32((uint32_t *)(&crtcs[0])); } while (0); | |||
571 | } | |||
572 | ||||
573 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||
574 | if (has_primary && | |||
575 | pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) { | |||
576 | has_primary = 0; | |||
577 | continue; | |||
578 | } | |||
579 | crtcs[i + has_primary] = pScrPriv->crtcs[i]->id; | |||
580 | if (client->swapped) | |||
581 | swapl(&crtcs[i + has_primary])do { if (sizeof(*(&crtcs[i + has_primary])) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&crtcs[i + has_primary ]) & 3) && ((uintptr_t)(&crtcs[i + has_primary ]) & 3) == 0) *(&crtcs[i + has_primary]) = lswapl(*(& crtcs[i + has_primary])); else swap_uint32((uint32_t *)(& crtcs[i + has_primary])); } while (0); | |||
582 | } | |||
583 | ||||
584 | for (i = 0; i < pScrPriv->numOutputs; i++) { | |||
585 | outputs[i] = pScrPriv->outputs[i]->id; | |||
586 | if (client->swapped) | |||
587 | swapl(&outputs[i])do { if (sizeof(*(&outputs[i])) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&outputs[i]) & 3) && ((uintptr_t )(&outputs[i]) & 3) == 0) *(&outputs[i]) = lswapl (*(&outputs[i])); else swap_uint32((uint32_t *)(&outputs [i])); } while (0); | |||
588 | } | |||
589 | ||||
590 | for (i = 0; i < num_modes; i++) { | |||
591 | RRModePtr mode = modes[i]; | |||
592 | ||||
593 | modeinfos[i] = mode->mode; | |||
594 | if (client->swapped) { | |||
595 | swapl(&modeinfos[i].id)do { if (sizeof(*(&modeinfos[i].id)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].id) & 3) && ((uintptr_t)(&modeinfos[i].id) & 3) == 0) *(&modeinfos[i].id) = lswapl(*(&modeinfos[i].id)) ; else swap_uint32((uint32_t *)(&modeinfos[i].id)); } while (0); | |||
596 | swaps(&modeinfos[i].width)do { if (sizeof(*(&modeinfos[i].width)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].width ) & 1) && ((uintptr_t)(&modeinfos[i].width) & 1) == 0) *(&modeinfos[i].width) = lswaps(*(&modeinfos [i].width)); else swap_uint16((uint16_t *)(&modeinfos[i]. width)); } while (0); | |||
597 | swaps(&modeinfos[i].height)do { if (sizeof(*(&modeinfos[i].height)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].height ) & 1) && ((uintptr_t)(&modeinfos[i].height) & 1) == 0) *(&modeinfos[i].height) = lswaps(*(&modeinfos [i].height)); else swap_uint16((uint16_t *)(&modeinfos[i] .height)); } while (0); | |||
598 | swapl(&modeinfos[i].dotClock)do { if (sizeof(*(&modeinfos[i].dotClock)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].dotClock ) & 3) && ((uintptr_t)(&modeinfos[i].dotClock ) & 3) == 0) *(&modeinfos[i].dotClock) = lswapl(*(& modeinfos[i].dotClock)); else swap_uint32((uint32_t *)(&modeinfos [i].dotClock)); } while (0); | |||
599 | swaps(&modeinfos[i].hSyncStart)do { if (sizeof(*(&modeinfos[i].hSyncStart)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hSyncStart ) & 1) && ((uintptr_t)(&modeinfos[i].hSyncStart ) & 1) == 0) *(&modeinfos[i].hSyncStart) = lswaps(*(& modeinfos[i].hSyncStart)); else swap_uint16((uint16_t *)(& modeinfos[i].hSyncStart)); } while (0); | |||
600 | swaps(&modeinfos[i].hSyncEnd)do { if (sizeof(*(&modeinfos[i].hSyncEnd)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hSyncEnd ) & 1) && ((uintptr_t)(&modeinfos[i].hSyncEnd ) & 1) == 0) *(&modeinfos[i].hSyncEnd) = lswaps(*(& modeinfos[i].hSyncEnd)); else swap_uint16((uint16_t *)(&modeinfos [i].hSyncEnd)); } while (0); | |||
601 | swaps(&modeinfos[i].hTotal)do { if (sizeof(*(&modeinfos[i].hTotal)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hTotal ) & 1) && ((uintptr_t)(&modeinfos[i].hTotal) & 1) == 0) *(&modeinfos[i].hTotal) = lswaps(*(&modeinfos [i].hTotal)); else swap_uint16((uint16_t *)(&modeinfos[i] .hTotal)); } while (0); | |||
602 | swaps(&modeinfos[i].hSkew)do { if (sizeof(*(&modeinfos[i].hSkew)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].hSkew ) & 1) && ((uintptr_t)(&modeinfos[i].hSkew) & 1) == 0) *(&modeinfos[i].hSkew) = lswaps(*(&modeinfos [i].hSkew)); else swap_uint16((uint16_t *)(&modeinfos[i]. hSkew)); } while (0); | |||
603 | swaps(&modeinfos[i].vSyncStart)do { if (sizeof(*(&modeinfos[i].vSyncStart)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].vSyncStart ) & 1) && ((uintptr_t)(&modeinfos[i].vSyncStart ) & 1) == 0) *(&modeinfos[i].vSyncStart) = lswaps(*(& modeinfos[i].vSyncStart)); else swap_uint16((uint16_t *)(& modeinfos[i].vSyncStart)); } while (0); | |||
604 | swaps(&modeinfos[i].vSyncEnd)do { if (sizeof(*(&modeinfos[i].vSyncEnd)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].vSyncEnd ) & 1) && ((uintptr_t)(&modeinfos[i].vSyncEnd ) & 1) == 0) *(&modeinfos[i].vSyncEnd) = lswaps(*(& modeinfos[i].vSyncEnd)); else swap_uint16((uint16_t *)(&modeinfos [i].vSyncEnd)); } while (0); | |||
605 | swaps(&modeinfos[i].vTotal)do { if (sizeof(*(&modeinfos[i].vTotal)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].vTotal ) & 1) && ((uintptr_t)(&modeinfos[i].vTotal) & 1) == 0) *(&modeinfos[i].vTotal) = lswaps(*(&modeinfos [i].vTotal)); else swap_uint16((uint16_t *)(&modeinfos[i] .vTotal)); } while (0); | |||
606 | swaps(&modeinfos[i].nameLength)do { if (sizeof(*(&modeinfos[i].nameLength)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].nameLength ) & 1) && ((uintptr_t)(&modeinfos[i].nameLength ) & 1) == 0) *(&modeinfos[i].nameLength) = lswaps(*(& modeinfos[i].nameLength)); else swap_uint16((uint16_t *)(& modeinfos[i].nameLength)); } while (0); | |||
607 | swapl(&modeinfos[i].modeFlags)do { if (sizeof(*(&modeinfos[i].modeFlags)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&modeinfos[i].modeFlags ) & 3) && ((uintptr_t)(&modeinfos[i].modeFlags ) & 3) == 0) *(&modeinfos[i].modeFlags) = lswapl(*(& modeinfos[i].modeFlags)); else swap_uint32((uint32_t *)(& modeinfos[i].modeFlags)); } while (0); | |||
608 | } | |||
609 | memcpy(names, mode->name, mode->mode.nameLength)__builtin___memcpy_chk (names, mode->name, mode->mode.nameLength , __builtin_object_size (names, 0)); | |||
610 | names += mode->mode.nameLength; | |||
611 | } | |||
612 | free(modes); | |||
613 | assert(bytes_to_int32((char *) names - (char *) extra) == rep.length)(__builtin_expect(!(bytes_to_int32((char *) names - (char *) extra ) == rep.length), 0) ? __assert_rtn(__func__, "rrscreen.c", 613 , "bytes_to_int32((char *) names - (char *) extra) == rep.length" ) : (void)0); | |||
614 | } | |||
615 | ||||
616 | if (client->swapped) { | |||
617 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
618 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
619 | swapl(&rep.timestamp)do { if (sizeof(*(&rep.timestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.timestamp) & 3 ) && ((uintptr_t)(&rep.timestamp) & 3) == 0) * (&rep.timestamp) = lswapl(*(&rep.timestamp)); else swap_uint32 ((uint32_t *)(&rep.timestamp)); } while (0); | |||
620 | swapl(&rep.configTimestamp)do { if (sizeof(*(&rep.configTimestamp)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep.configTimestamp ) & 3) && ((uintptr_t)(&rep.configTimestamp) & 3) == 0) *(&rep.configTimestamp) = lswapl(*(&rep.configTimestamp )); else swap_uint32((uint32_t *)(&rep.configTimestamp)); } while (0); | |||
621 | swaps(&rep.nCrtcs)do { if (sizeof(*(&rep.nCrtcs)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.nCrtcs) & 1) && ((uintptr_t )(&rep.nCrtcs) & 1) == 0) *(&rep.nCrtcs) = lswaps (*(&rep.nCrtcs)); else swap_uint16((uint16_t *)(&rep. nCrtcs)); } while (0); | |||
622 | swaps(&rep.nOutputs)do { if (sizeof(*(&rep.nOutputs)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.nOutputs) & 1) && ((uintptr_t)(&rep.nOutputs) & 1) == 0) *(&rep.nOutputs ) = lswaps(*(&rep.nOutputs)); else swap_uint16((uint16_t * )(&rep.nOutputs)); } while (0); | |||
623 | swaps(&rep.nModes)do { if (sizeof(*(&rep.nModes)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.nModes) & 1) && ((uintptr_t )(&rep.nModes) & 1) == 0) *(&rep.nModes) = lswaps (*(&rep.nModes)); else swap_uint16((uint16_t *)(&rep. nModes)); } while (0); | |||
624 | swaps(&rep.nbytesNames)do { if (sizeof(*(&rep.nbytesNames)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.nbytesNames) & 1) && ((uintptr_t)(&rep.nbytesNames) & 1) == 0) *(&rep.nbytesNames) = lswaps(*(&rep.nbytesNames)) ; else swap_uint16((uint16_t *)(&rep.nbytesNames)); } while (0); | |||
625 | } | |||
626 | WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *) &rep); | |||
627 | if (extraLen) { | |||
628 | WriteToClient(client, extraLen, (char *) extra); | |||
629 | free(extra); | |||
630 | } | |||
631 | return Success0; | |||
632 | } | |||
633 | ||||
634 | int | |||
635 | ProcRRGetScreenResources(ClientPtr client) | |||
636 | { | |||
637 | return rrGetScreenResources(client, TRUE1); | |||
638 | } | |||
639 | ||||
640 | int | |||
641 | ProcRRGetScreenResourcesCurrent(ClientPtr client) | |||
642 | { | |||
643 | return rrGetScreenResources(client, FALSE0); | |||
644 | } | |||
645 | ||||
646 | typedef struct _RR10Data { | |||
647 | RRScreenSizePtr sizes; | |||
648 | int nsize; | |||
649 | int nrefresh; | |||
650 | int size; | |||
651 | CARD16 refresh; | |||
652 | } RR10DataRec, *RR10DataPtr; | |||
653 | ||||
654 | /* | |||
655 | * Convert 1.2 monitor data into 1.0 screen data | |||
656 | */ | |||
657 | static RR10DataPtr | |||
658 | RR10GetData(ScreenPtr pScreen, RROutputPtr output) | |||
659 | { | |||
660 | RR10DataPtr data; | |||
661 | RRScreenSizePtr size; | |||
662 | int nmode = output->numModes + output->numUserModes; | |||
663 | int o, os, l, r; | |||
664 | RRScreenRatePtr refresh; | |||
665 | CARD16 vRefresh; | |||
666 | RRModePtr mode; | |||
667 | Bool *used; | |||
668 | ||||
669 | /* Make sure there is plenty of space for any combination */ | |||
670 | data = malloc(sizeof(RR10DataRec) + | |||
671 | sizeof(RRScreenSize) * nmode + | |||
672 | sizeof(RRScreenRate) * nmode + sizeof(Bool) * nmode); | |||
673 | if (!data) | |||
674 | return NULL((void*)0); | |||
675 | size = (RRScreenSizePtr) (data + 1); | |||
676 | refresh = (RRScreenRatePtr) (size + nmode); | |||
677 | used = (Bool *) (refresh + nmode); | |||
678 | memset(used, '\0', sizeof(Bool) * nmode)__builtin___memset_chk (used, '\0', sizeof(Bool) * nmode, __builtin_object_size (used, 0)); | |||
679 | data->sizes = size; | |||
680 | data->nsize = 0; | |||
681 | data->nrefresh = 0; | |||
682 | data->size = 0; | |||
683 | data->refresh = 0; | |||
684 | ||||
685 | /* | |||
686 | * find modes not yet listed | |||
687 | */ | |||
688 | for (o = 0; o < output->numModes + output->numUserModes; o++) { | |||
689 | if (used[o]) | |||
690 | continue; | |||
691 | ||||
692 | if (o < output->numModes) | |||
693 | mode = output->modes[o]; | |||
694 | else | |||
695 | mode = output->userModes[o - output->numModes]; | |||
696 | ||||
697 | l = data->nsize; | |||
698 | size[l].id = data->nsize; | |||
699 | size[l].width = mode->mode.width; | |||
700 | size[l].height = mode->mode.height; | |||
701 | if (output->mmWidth && output->mmHeight) { | |||
702 | size[l].mmWidth = output->mmWidth; | |||
703 | size[l].mmHeight = output->mmHeight; | |||
704 | } | |||
705 | else { | |||
706 | size[l].mmWidth = pScreen->mmWidth; | |||
707 | size[l].mmHeight = pScreen->mmHeight; | |||
708 | } | |||
709 | size[l].nRates = 0; | |||
710 | size[l].pRates = &refresh[data->nrefresh]; | |||
711 | data->nsize++; | |||
712 | ||||
713 | /* | |||
714 | * Find all modes with matching size | |||
715 | */ | |||
716 | for (os = o; os < output->numModes + output->numUserModes; os++) { | |||
717 | if (os < output->numModes) | |||
718 | mode = output->modes[os]; | |||
719 | else | |||
720 | mode = output->userModes[os - output->numModes]; | |||
721 | if (mode->mode.width == size[l].width && | |||
722 | mode->mode.height == size[l].height) { | |||
723 | vRefresh = RRVerticalRefresh(&mode->mode); | |||
724 | used[os] = TRUE1; | |||
725 | ||||
726 | for (r = 0; r < size[l].nRates; r++) | |||
727 | if (vRefresh == size[l].pRates[r].rate) | |||
728 | break; | |||
729 | if (r == size[l].nRates) { | |||
730 | size[l].pRates[r].rate = vRefresh; | |||
731 | size[l].pRates[r].mode = mode; | |||
732 | size[l].nRates++; | |||
733 | data->nrefresh++; | |||
734 | } | |||
735 | if (mode == output->crtc->mode) { | |||
736 | data->size = l; | |||
737 | data->refresh = vRefresh; | |||
738 | } | |||
739 | } | |||
740 | } | |||
741 | } | |||
742 | return data; | |||
743 | } | |||
744 | ||||
745 | int | |||
746 | ProcRRGetScreenInfo(ClientPtr client) | |||
747 | { | |||
748 | REQUEST(xRRGetScreenInfoReq)xRRGetScreenInfoReq *stuff = (xRRGetScreenInfoReq *)client-> requestBuffer; | |||
749 | xRRGetScreenInfoReply rep; | |||
750 | WindowPtr pWin; | |||
751 | int rc; | |||
752 | ScreenPtr pScreen; | |||
753 | rrScrPrivPtr pScrPriv; | |||
754 | CARD8 *extra; | |||
755 | unsigned long extraLen; | |||
756 | RROutputPtr output; | |||
757 | ||||
758 | REQUEST_SIZE_MATCH(xRRGetScreenInfoReq)if ((sizeof(xRRGetScreenInfoReq) >> 2) != client->req_len ) return(16); | |||
759 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
760 | if (rc != Success0) | |||
761 | return rc; | |||
762 | ||||
763 | pScreen = pWin->drawable.pScreen; | |||
764 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
765 | ||||
766 | if (pScrPriv) | |||
767 | if (!RRGetInfo(pScreen, TRUE1)) | |||
768 | return BadAlloc11; | |||
769 | ||||
770 | output = RRFirstOutput(pScreen); | |||
771 | ||||
772 | if (!pScrPriv || !output) { | |||
773 | rep = (xRRGetScreenInfoReply) { | |||
774 | .type = X_Reply1, | |||
775 | .setOfRotations = RR_Rotate_01, | |||
776 | .sequenceNumber = client->sequence, | |||
777 | .length = 0, | |||
778 | .root = pWin->drawable.pScreen->root->drawable.id, | |||
779 | .timestamp = currentTime.milliseconds, | |||
780 | .configTimestamp = currentTime.milliseconds, | |||
781 | .nSizes = 0, | |||
782 | .sizeID = 0, | |||
783 | .rotation = RR_Rotate_01, | |||
784 | .rate = 0, | |||
785 | .nrateEnts = 0 | |||
786 | }; | |||
787 | extra = 0; | |||
788 | extraLen = 0; | |||
789 | } | |||
790 | else { | |||
791 | int i, j; | |||
792 | xScreenSizes *size; | |||
793 | CARD16 *rates; | |||
794 | CARD8 *data8; | |||
795 | Bool has_rate = RRClientKnowsRates(client); | |||
796 | RR10DataPtr pData; | |||
797 | RRScreenSizePtr pSize; | |||
798 | ||||
799 | pData = RR10GetData(pScreen, output); | |||
800 | if (!pData) | |||
801 | return BadAlloc11; | |||
802 | ||||
803 | rep = (xRRGetScreenInfoReply) { | |||
804 | .type = X_Reply1, | |||
805 | .setOfRotations = output->crtc->rotations, | |||
806 | .sequenceNumber = client->sequence, | |||
807 | .length = 0, | |||
808 | .root = pWin->drawable.pScreen->root->drawable.id, | |||
809 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||
810 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||
811 | .rotation = output->crtc->rotation, | |||
812 | .nSizes = pData->nsize, | |||
813 | .nrateEnts = pData->nrefresh + pData->nsize, | |||
814 | .sizeID = pData->size, | |||
815 | .rate = pData->refresh | |||
816 | }; | |||
817 | ||||
818 | extraLen = rep.nSizes * sizeof(xScreenSizes); | |||
819 | if (has_rate) | |||
820 | extraLen += rep.nrateEnts * sizeof(CARD16); | |||
821 | ||||
822 | if (extraLen) { | |||
823 | extra = (CARD8 *) malloc(extraLen); | |||
824 | if (!extra) { | |||
825 | free(pData); | |||
826 | return BadAlloc11; | |||
827 | } | |||
828 | } | |||
829 | else | |||
830 | extra = NULL((void*)0); | |||
831 | ||||
832 | /* | |||
833 | * First comes the size information | |||
834 | */ | |||
835 | size = (xScreenSizes *) extra; | |||
836 | rates = (CARD16 *) (size + rep.nSizes); | |||
837 | for (i = 0; i < pData->nsize; i++) { | |||
838 | pSize = &pData->sizes[i]; | |||
839 | size->widthInPixels = pSize->width; | |||
840 | size->heightInPixels = pSize->height; | |||
841 | size->widthInMillimeters = pSize->mmWidth; | |||
842 | size->heightInMillimeters = pSize->mmHeight; | |||
843 | if (client->swapped) { | |||
844 | swaps(&size->widthInPixels)do { if (sizeof(*(&size->widthInPixels)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&size->widthInPixels ) & 1) && ((uintptr_t)(&size->widthInPixels ) & 1) == 0) *(&size->widthInPixels) = lswaps(*(& size->widthInPixels)); else swap_uint16((uint16_t *)(& size->widthInPixels)); } while (0); | |||
845 | swaps(&size->heightInPixels)do { if (sizeof(*(&size->heightInPixels)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&size->heightInPixels ) & 1) && ((uintptr_t)(&size->heightInPixels ) & 1) == 0) *(&size->heightInPixels) = lswaps(*(& size->heightInPixels)); else swap_uint16((uint16_t *)(& size->heightInPixels)); } while (0); | |||
846 | swaps(&size->widthInMillimeters)do { if (sizeof(*(&size->widthInMillimeters)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&size->widthInMillimeters ) & 1) && ((uintptr_t)(&size->widthInMillimeters ) & 1) == 0) *(&size->widthInMillimeters) = lswaps (*(&size->widthInMillimeters)); else swap_uint16((uint16_t *)(&size->widthInMillimeters)); } while (0); | |||
847 | swaps(&size->heightInMillimeters)do { if (sizeof(*(&size->heightInMillimeters)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&size->heightInMillimeters ) & 1) && ((uintptr_t)(&size->heightInMillimeters ) & 1) == 0) *(&size->heightInMillimeters) = lswaps (*(&size->heightInMillimeters)); else swap_uint16((uint16_t *)(&size->heightInMillimeters)); } while (0); | |||
848 | } | |||
849 | size++; | |||
850 | if (has_rate) { | |||
851 | *rates = pSize->nRates; | |||
852 | if (client->swapped) { | |||
853 | swaps(rates)do { if (sizeof(*(rates)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(rates) & 1) && ((uintptr_t)(rates) & 1) == 0) *(rates) = lswaps(*(rates)); else swap_uint16((uint16_t *)(rates)); } while (0); | |||
854 | } | |||
855 | rates++; | |||
856 | for (j = 0; j < pSize->nRates; j++) { | |||
857 | *rates = pSize->pRates[j].rate; | |||
858 | if (client->swapped) { | |||
859 | swaps(rates)do { if (sizeof(*(rates)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(rates) & 1) && ((uintptr_t)(rates) & 1) == 0) *(rates) = lswaps(*(rates)); else swap_uint16((uint16_t *)(rates)); } while (0); | |||
860 | } | |||
861 | rates++; | |||
862 | } | |||
863 | } | |||
864 | } | |||
865 | free(pData); | |||
866 | ||||
867 | data8 = (CARD8 *) rates; | |||
868 | ||||
869 | if (data8 - (CARD8 *) extra != extraLen) | |||
870 | FatalError("RRGetScreenInfo bad extra len %ld != %ld\n", | |||
871 | (unsigned long) (data8 - (CARD8 *) extra), extraLen); | |||
872 | rep.length = bytes_to_int32(extraLen); | |||
873 | } | |||
874 | if (client->swapped) { | |||
875 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
876 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
877 | swapl(&rep.timestamp)do { if (sizeof(*(&rep.timestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.timestamp) & 3 ) && ((uintptr_t)(&rep.timestamp) & 3) == 0) * (&rep.timestamp) = lswapl(*(&rep.timestamp)); else swap_uint32 ((uint32_t *)(&rep.timestamp)); } while (0); | |||
878 | swapl(&rep.configTimestamp)do { if (sizeof(*(&rep.configTimestamp)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep.configTimestamp ) & 3) && ((uintptr_t)(&rep.configTimestamp) & 3) == 0) *(&rep.configTimestamp) = lswapl(*(&rep.configTimestamp )); else swap_uint32((uint32_t *)(&rep.configTimestamp)); } while (0); | |||
879 | swaps(&rep.rotation)do { if (sizeof(*(&rep.rotation)) != 2) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.rotation) & 1) && ((uintptr_t)(&rep.rotation) & 1) == 0) *(&rep.rotation ) = lswaps(*(&rep.rotation)); else swap_uint16((uint16_t * )(&rep.rotation)); } while (0); | |||
880 | swaps(&rep.nSizes)do { if (sizeof(*(&rep.nSizes)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.nSizes) & 1) && ((uintptr_t )(&rep.nSizes) & 1) == 0) *(&rep.nSizes) = lswaps (*(&rep.nSizes)); else swap_uint16((uint16_t *)(&rep. nSizes)); } while (0); | |||
881 | swaps(&rep.sizeID)do { if (sizeof(*(&rep.sizeID)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.sizeID) & 1) && ((uintptr_t )(&rep.sizeID) & 1) == 0) *(&rep.sizeID) = lswaps (*(&rep.sizeID)); else swap_uint16((uint16_t *)(&rep. sizeID)); } while (0); | |||
882 | swaps(&rep.rate)do { if (sizeof(*(&rep.rate)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.rate) & 1) && ((uintptr_t)( &rep.rate) & 1) == 0) *(&rep.rate) = lswaps(*(& rep.rate)); else swap_uint16((uint16_t *)(&rep.rate)); } while (0); | |||
883 | swaps(&rep.nrateEnts)do { if (sizeof(*(&rep.nrateEnts)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.nrateEnts) & 1 ) && ((uintptr_t)(&rep.nrateEnts) & 1) == 0) * (&rep.nrateEnts) = lswaps(*(&rep.nrateEnts)); else swap_uint16 ((uint16_t *)(&rep.nrateEnts)); } while (0); | |||
884 | } | |||
885 | WriteToClient(client, sizeof(xRRGetScreenInfoReply), &rep); | |||
886 | if (extraLen) { | |||
887 | WriteToClient(client, extraLen, extra); | |||
888 | free(extra); | |||
889 | } | |||
890 | return Success0; | |||
891 | } | |||
892 | ||||
893 | int | |||
894 | ProcRRSetScreenConfig(ClientPtr client) | |||
895 | { | |||
896 | REQUEST(xRRSetScreenConfigReq)xRRSetScreenConfigReq *stuff = (xRRSetScreenConfigReq *)client ->requestBuffer; | |||
897 | xRRSetScreenConfigReply rep; | |||
898 | DrawablePtr pDraw; | |||
899 | int rc; | |||
900 | ScreenPtr pScreen; | |||
901 | rrScrPrivPtr pScrPriv; | |||
902 | TimeStamp time; | |||
903 | int i; | |||
904 | Rotation rotation; | |||
905 | int rate; | |||
906 | Bool has_rate; | |||
907 | CARD8 status; | |||
908 | RROutputPtr output; | |||
909 | RRCrtcPtr crtc; | |||
910 | RRModePtr mode; | |||
911 | RR10DataPtr pData = NULL((void*)0); | |||
912 | RRScreenSizePtr pSize; | |||
913 | int width, height; | |||
914 | ||||
915 | UpdateCurrentTime(); | |||
916 | ||||
917 | if (RRClientKnowsRates(client)) { | |||
918 | REQUEST_SIZE_MATCH(xRRSetScreenConfigReq)if ((sizeof(xRRSetScreenConfigReq) >> 2) != client-> req_len) return(16); | |||
919 | has_rate = TRUE1; | |||
920 | } | |||
921 | else { | |||
922 | REQUEST_SIZE_MATCH(xRR1_0SetScreenConfigReq)if ((sizeof(xRR1_0SetScreenConfigReq) >> 2) != client-> req_len) return(16); | |||
923 | has_rate = FALSE0; | |||
924 | } | |||
925 | ||||
926 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess(1<<1)); | |||
927 | if (rc != Success0) | |||
928 | return rc; | |||
929 | ||||
930 | pScreen = pDraw->pScreen; | |||
931 | ||||
932 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||
933 | ||||
934 | time = ClientTimeToServerTime(stuff->timestamp); | |||
935 | ||||
936 | if (!pScrPriv) { | |||
937 | time = currentTime; | |||
938 | status = RRSetConfigFailed3; | |||
939 | goto sendReply; | |||
940 | } | |||
941 | if (!RRGetInfo(pScreen, FALSE0)) | |||
942 | return BadAlloc11; | |||
943 | ||||
944 | output = RRFirstOutput(pScreen); | |||
945 | if (!output) { | |||
946 | time = currentTime; | |||
947 | status = RRSetConfigFailed3; | |||
948 | goto sendReply; | |||
949 | } | |||
950 | ||||
951 | crtc = output->crtc; | |||
952 | ||||
953 | /* | |||
954 | * If the client's config timestamp is not the same as the last config | |||
955 | * timestamp, then the config information isn't up-to-date and | |||
956 | * can't even be validated. | |||
957 | * | |||
958 | * Note that the client only knows about the milliseconds part of the | |||
959 | * timestamp, so using CompareTimeStamps here would cause randr to suddenly | |||
960 | * stop working after several hours have passed (freedesktop bug #6502). | |||
961 | */ | |||
962 | if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds) { | |||
963 | status = RRSetConfigInvalidConfigTime1; | |||
964 | goto sendReply; | |||
965 | } | |||
966 | ||||
967 | pData = RR10GetData(pScreen, output); | |||
968 | if (!pData) | |||
969 | return BadAlloc11; | |||
970 | ||||
971 | if (stuff->sizeID >= pData->nsize) { | |||
972 | /* | |||
973 | * Invalid size ID | |||
974 | */ | |||
975 | client->errorValue = stuff->sizeID; | |||
976 | free(pData); | |||
977 | return BadValue2; | |||
978 | } | |||
979 | pSize = &pData->sizes[stuff->sizeID]; | |||
980 | ||||
981 | /* | |||
982 | * Validate requested rotation | |||
983 | */ | |||
984 | rotation = (Rotation) stuff->rotation; | |||
985 | ||||
986 | /* test the rotation bits only! */ | |||
987 | switch (rotation & 0xf) { | |||
988 | case RR_Rotate_01: | |||
989 | case RR_Rotate_902: | |||
990 | case RR_Rotate_1804: | |||
991 | case RR_Rotate_2708: | |||
992 | break; | |||
993 | default: | |||
994 | /* | |||
995 | * Invalid rotation | |||
996 | */ | |||
997 | client->errorValue = stuff->rotation; | |||
998 | free(pData); | |||
999 | return BadValue2; | |||
1000 | } | |||
1001 | ||||
1002 | if ((~crtc->rotations) & rotation) { | |||
1003 | /* | |||
1004 | * requested rotation or reflection not supported by screen | |||
1005 | */ | |||
1006 | client->errorValue = stuff->rotation; | |||
1007 | free(pData); | |||
1008 | return BadMatch8; | |||
1009 | } | |||
1010 | ||||
1011 | /* | |||
1012 | * Validate requested refresh | |||
1013 | */ | |||
1014 | if (has_rate) | |||
1015 | rate = (int) stuff->rate; | |||
1016 | else | |||
1017 | rate = 0; | |||
1018 | ||||
1019 | if (rate) { | |||
1020 | for (i = 0; i < pSize->nRates; i++) { | |||
1021 | if (pSize->pRates[i].rate == rate) | |||
1022 | break; | |||
1023 | } | |||
1024 | if (i == pSize->nRates) { | |||
1025 | /* | |||
1026 | * Invalid rate | |||
1027 | */ | |||
1028 | client->errorValue = rate; | |||
1029 | free(pData); | |||
1030 | return BadValue2; | |||
1031 | } | |||
1032 | mode = pSize->pRates[i].mode; | |||
1033 | } | |||
1034 | else | |||
1035 | mode = pSize->pRates[0].mode; | |||
1036 | ||||
1037 | /* | |||
1038 | * Make sure the requested set-time is not older than | |||
1039 | * the last set-time | |||
1040 | */ | |||
1041 | if (CompareTimeStamps(time, pScrPriv->lastSetTime) < 0) { | |||
1042 | status = RRSetConfigInvalidTime2; | |||
1043 | goto sendReply; | |||
1044 | } | |||
1045 | ||||
1046 | /* | |||
1047 | * If the screen size is changing, adjust all of the other outputs | |||
1048 | * to fit the new size, mirroring as much as possible | |||
1049 | */ | |||
1050 | width = mode->mode.width; | |||
1051 | height = mode->mode.height; | |||
1052 | if (width < pScrPriv->minWidth || pScrPriv->maxWidth < width) { | |||
1053 | client->errorValue = width; | |||
1054 | free(pData); | |||
1055 | return BadValue2; | |||
1056 | } | |||
1057 | if (height < pScrPriv->minHeight || pScrPriv->maxHeight < height) { | |||
1058 | client->errorValue = height; | |||
1059 | free(pData); | |||
1060 | return BadValue2; | |||
1061 | } | |||
1062 | ||||
1063 | if (rotation & (RR_Rotate_902 | RR_Rotate_2708)) { | |||
1064 | width = mode->mode.height; | |||
1065 | height = mode->mode.width; | |||
1066 | } | |||
1067 | ||||
1068 | if (width != pScreen->width || height != pScreen->height) { | |||
1069 | int c; | |||
1070 | ||||
1071 | for (c = 0; c < pScrPriv->numCrtcs; c++) { | |||
1072 | if (!RRCrtcSet(pScrPriv->crtcs[c], NULL((void*)0), 0, 0, RR_Rotate_01, | |||
1073 | 0, NULL((void*)0))) { | |||
1074 | status = RRSetConfigFailed3; | |||
1075 | /* XXX recover from failure */ | |||
1076 | goto sendReply; | |||
1077 | } | |||
1078 | } | |||
1079 | if (!RRScreenSizeSet(pScreen, width, height, | |||
1080 | pScreen->mmWidth, pScreen->mmHeight)) { | |||
1081 | status = RRSetConfigFailed3; | |||
1082 | /* XXX recover from failure */ | |||
1083 | goto sendReply; | |||
1084 | } | |||
1085 | } | |||
1086 | ||||
1087 | if (!RRCrtcSet(crtc, mode, 0, 0, stuff->rotation, 1, &output)) | |||
1088 | status = RRSetConfigFailed3; | |||
1089 | else { | |||
1090 | pScrPriv->lastSetTime = time; | |||
1091 | status = RRSetConfigSuccess0; | |||
1092 | } | |||
1093 | ||||
1094 | /* | |||
1095 | * XXX Configure other crtcs to mirror as much as possible | |||
1096 | */ | |||
1097 | ||||
1098 | sendReply: | |||
1099 | ||||
1100 | free(pData); | |||
1101 | ||||
1102 | rep = (xRRSetScreenConfigReply) { | |||
1103 | .type = X_Reply1, | |||
1104 | .status = status, | |||
1105 | .sequenceNumber = client->sequence, | |||
1106 | .length = 0, | |||
1107 | ||||
1108 | .newTimestamp = pScrPriv->lastSetTime.milliseconds, | |||
1109 | .newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||
1110 | .root = pDraw->pScreen->root->drawable.id, | |||
1111 | /* .subpixelOrder = ?? */ | |||
1112 | }; | |||
1113 | ||||
1114 | if (client->swapped) { | |||
1115 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
1116 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
1117 | swapl(&rep.newTimestamp)do { if (sizeof(*(&rep.newTimestamp)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.newTimestamp) & 3) && ((uintptr_t)(&rep.newTimestamp) & 3) == 0) *(&rep.newTimestamp) = lswapl(*(&rep.newTimestamp )); else swap_uint32((uint32_t *)(&rep.newTimestamp)); } while (0); | |||
1118 | swapl(&rep.newConfigTimestamp)do { if (sizeof(*(&rep.newConfigTimestamp)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&rep.newConfigTimestamp ) & 3) && ((uintptr_t)(&rep.newConfigTimestamp ) & 3) == 0) *(&rep.newConfigTimestamp) = lswapl(*(& rep.newConfigTimestamp)); else swap_uint32((uint32_t *)(& rep.newConfigTimestamp)); } while (0); | |||
1119 | swapl(&rep.root)do { if (sizeof(*(&rep.root)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.root) & 3) && ((uintptr_t)( &rep.root) & 3) == 0) *(&rep.root) = lswapl(*(& rep.root)); else swap_uint32((uint32_t *)(&rep.root)); } while (0); | |||
1120 | } | |||
1121 | WriteToClient(client, sizeof(xRRSetScreenConfigReply), &rep); | |||
1122 | ||||
1123 | return Success0; | |||
1124 | } | |||
1125 | ||||
1126 | static CARD16 | |||
1127 | RR10CurrentSizeID(ScreenPtr pScreen) | |||
1128 | { | |||
1129 | CARD16 sizeID = 0xffff; | |||
1130 | RROutputPtr output = RRFirstOutput(pScreen); | |||
1131 | ||||
1132 | if (output) { | |||
1133 | RR10DataPtr data = RR10GetData(pScreen, output); | |||
1134 | ||||
1135 | if (data) { | |||
1136 | int i; | |||
1137 | ||||
1138 | for (i = 0; i < data->nsize; i++) | |||
1139 | if (data->sizes[i].width == pScreen->width && | |||
1140 | data->sizes[i].height == pScreen->height) { | |||
1141 | sizeID = (CARD16) i; | |||
1142 | break; | |||
1143 | } | |||
1144 | free(data); | |||
1145 | } | |||
1146 | } | |||
1147 | return sizeID; | |||
1148 | } |