File: | randr/rrscreen.c |
Location: | line 452, column 9 |
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 = (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 + total_modes * bytes_to_int32(SIZEOF(xRRModeInfo)32) + | |||||
417 | bytes_to_int32(rep.nbytesNames)); | |||||
418 | ||||||
419 | extraLen = rep.length << 2; | |||||
420 | if (extraLen) { | |||||
| ||||||
421 | extra = malloc(extraLen); | |||||
422 | if (!extra) { | |||||
423 | return BadAlloc11; | |||||
424 | } | |||||
425 | } | |||||
426 | else | |||||
427 | extra = NULL((void*)0); | |||||
428 | ||||||
429 | crtcs = (RRCrtc *)extra; | |||||
430 | outputs = (RROutput *)(crtcs + total_crtcs); | |||||
431 | modeinfos = (xRRModeInfo *)(outputs + total_outputs); | |||||
432 | names = (CARD8 *)(modeinfos + total_modes); | |||||
433 | ||||||
434 | crtc_count = 0; | |||||
435 | output_count = 0; | |||||
436 | mode_count = 0; | |||||
437 | ||||||
438 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||||
439 | if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) { | |||||
440 | has_primary = 1; | |||||
441 | primary_crtc = pScrPriv->primaryOutput->crtc; | |||||
442 | crtcs[0] = pScrPriv->primaryOutput->crtc->id; | |||||
443 | if (client->swapped) | |||||
444 | 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); | |||||
445 | crtc_count = 1; | |||||
446 | } | |||||
447 | 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); | |||||
448 | ||||||
449 | 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))) { | |||||
450 | pScrPriv = rrGetScrPriv(iter)((rrScrPrivPtr)dixLookupPrivate(&(iter)->devPrivates, ( &rrPrivKeyRec))); | |||||
451 | ||||||
452 | 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); | |||||
| ||||||
453 | } | |||||
454 | ||||||
455 | 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", 455 , "bytes_to_int32((char *) names - (char *) extra) == rep.length" ) : (void)0); | |||||
456 | if (client->swapped) { | |||||
457 | 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); | |||||
458 | 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); | |||||
459 | 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); | |||||
460 | 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); | |||||
461 | 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); | |||||
462 | 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); | |||||
463 | 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); | |||||
464 | 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); | |||||
465 | } | |||||
466 | WriteToClient(client, sizeof(xRRGetScreenResourcesReply), &rep); | |||||
467 | if (extraLen) { | |||||
468 | WriteToClient(client, extraLen, extra); | |||||
469 | free(extra); | |||||
470 | } | |||||
471 | return Success0; | |||||
472 | } | |||||
473 | ||||||
474 | static int | |||||
475 | rrGetScreenResources(ClientPtr client, Bool query) | |||||
476 | { | |||||
477 | REQUEST(xRRGetScreenResourcesReq)xRRGetScreenResourcesReq *stuff = (xRRGetScreenResourcesReq * )client->requestBuffer; | |||||
478 | xRRGetScreenResourcesReply rep; | |||||
479 | WindowPtr pWin; | |||||
480 | ScreenPtr pScreen; | |||||
481 | rrScrPrivPtr pScrPriv; | |||||
482 | CARD8 *extra; | |||||
483 | unsigned long extraLen; | |||||
484 | int i, rc, has_primary = 0; | |||||
485 | RRCrtc *crtcs; | |||||
486 | RROutput *outputs; | |||||
487 | xRRModeInfo *modeinfos; | |||||
488 | CARD8 *names; | |||||
489 | ||||||
490 | REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq)if ((sizeof(xRRGetScreenResourcesReq) >> 2) != client-> req_len) return(16); | |||||
491 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||||
492 | if (rc != Success0) | |||||
493 | return rc; | |||||
494 | ||||||
495 | pScreen = pWin->drawable.pScreen; | |||||
496 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||||
497 | ||||||
498 | if (query && pScrPriv) | |||||
499 | if (!RRGetInfo(pScreen, query)) | |||||
500 | return BadAlloc11; | |||||
501 | ||||||
502 | if (!xorg_list_is_empty(&pScreen->output_slave_list)) | |||||
503 | return rrGetMultiScreenResources(client, query, pScreen); | |||||
504 | ||||||
505 | if (!pScrPriv) { | |||||
506 | rep = (xRRGetScreenResourcesReply) { | |||||
507 | .type = X_Reply1, | |||||
508 | .sequenceNumber = client->sequence, | |||||
509 | .length = 0, | |||||
510 | .timestamp = currentTime.milliseconds, | |||||
511 | .configTimestamp = currentTime.milliseconds, | |||||
512 | .nCrtcs = 0, | |||||
513 | .nOutputs = 0, | |||||
514 | .nModes = 0, | |||||
515 | .nbytesNames = 0 | |||||
516 | }; | |||||
517 | extra = NULL((void*)0); | |||||
518 | extraLen = 0; | |||||
519 | } | |||||
520 | else { | |||||
521 | RRModePtr *modes; | |||||
522 | int num_modes; | |||||
523 | ||||||
524 | modes = RRModesForScreen(pScreen, &num_modes); | |||||
525 | if (!modes) | |||||
526 | return BadAlloc11; | |||||
527 | ||||||
528 | rep = (xRRGetScreenResourcesReply) { | |||||
529 | .type = X_Reply1, | |||||
530 | .sequenceNumber = client->sequence, | |||||
531 | .length = 0, | |||||
532 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||||
533 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||||
534 | .nCrtcs = pScrPriv->numCrtcs, | |||||
535 | .nOutputs = pScrPriv->numOutputs, | |||||
536 | .nModes = num_modes, | |||||
537 | .nbytesNames = 0 | |||||
538 | }; | |||||
539 | ||||||
540 | ||||||
541 | for (i = 0; i < num_modes; i++) | |||||
542 | rep.nbytesNames += modes[i]->mode.nameLength; | |||||
543 | ||||||
544 | rep.length = (pScrPriv->numCrtcs + | |||||
545 | pScrPriv->numOutputs + | |||||
546 | num_modes * bytes_to_int32(SIZEOF(xRRModeInfo)32) + | |||||
547 | bytes_to_int32(rep.nbytesNames)); | |||||
548 | ||||||
549 | extraLen = rep.length << 2; | |||||
550 | if (extraLen) { | |||||
551 | extra = malloc(extraLen); | |||||
552 | if (!extra) { | |||||
553 | free(modes); | |||||
554 | return BadAlloc11; | |||||
555 | } | |||||
556 | } | |||||
557 | else | |||||
558 | extra = NULL((void*)0); | |||||
559 | ||||||
560 | crtcs = (RRCrtc *) extra; | |||||
561 | outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs); | |||||
562 | modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs); | |||||
563 | names = (CARD8 *) (modeinfos + num_modes); | |||||
564 | ||||||
565 | if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) { | |||||
566 | has_primary = 1; | |||||
567 | crtcs[0] = pScrPriv->primaryOutput->crtc->id; | |||||
568 | if (client->swapped) | |||||
569 | 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); | |||||
570 | } | |||||
571 | ||||||
572 | for (i = 0; i < pScrPriv->numCrtcs; i++) { | |||||
573 | if (has_primary && | |||||
574 | pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) { | |||||
575 | has_primary = 0; | |||||
576 | continue; | |||||
577 | } | |||||
578 | crtcs[i + has_primary] = pScrPriv->crtcs[i]->id; | |||||
579 | if (client->swapped) | |||||
580 | 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); | |||||
581 | } | |||||
582 | ||||||
583 | for (i = 0; i < pScrPriv->numOutputs; i++) { | |||||
584 | outputs[i] = pScrPriv->outputs[i]->id; | |||||
585 | if (client->swapped) | |||||
586 | 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); | |||||
587 | } | |||||
588 | ||||||
589 | for (i = 0; i < num_modes; i++) { | |||||
590 | RRModePtr mode = modes[i]; | |||||
591 | ||||||
592 | modeinfos[i] = mode->mode; | |||||
593 | if (client->swapped) { | |||||
594 | 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); | |||||
595 | 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); | |||||
596 | 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); | |||||
597 | 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); | |||||
598 | 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); | |||||
599 | 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); | |||||
600 | 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); | |||||
601 | 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); | |||||
602 | 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); | |||||
603 | 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); | |||||
604 | 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); | |||||
605 | 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); | |||||
606 | 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); | |||||
607 | } | |||||
608 | memcpy(names, mode->name, mode->mode.nameLength)__builtin___memcpy_chk (names, mode->name, mode->mode.nameLength , __builtin_object_size (names, 0)); | |||||
609 | names += mode->mode.nameLength; | |||||
610 | } | |||||
611 | free(modes); | |||||
612 | 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", 612 , "bytes_to_int32((char *) names - (char *) extra) == rep.length" ) : (void)0); | |||||
613 | } | |||||
614 | ||||||
615 | if (client->swapped) { | |||||
616 | 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); | |||||
617 | 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); | |||||
618 | 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); | |||||
619 | 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); | |||||
620 | 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); | |||||
621 | 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); | |||||
622 | 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); | |||||
623 | 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); | |||||
624 | } | |||||
625 | WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *) &rep); | |||||
626 | if (extraLen) { | |||||
627 | WriteToClient(client, extraLen, (char *) extra); | |||||
628 | free(extra); | |||||
629 | } | |||||
630 | return Success0; | |||||
631 | } | |||||
632 | ||||||
633 | int | |||||
634 | ProcRRGetScreenResources(ClientPtr client) | |||||
635 | { | |||||
636 | return rrGetScreenResources(client, TRUE1); | |||||
637 | } | |||||
638 | ||||||
639 | int | |||||
640 | ProcRRGetScreenResourcesCurrent(ClientPtr client) | |||||
641 | { | |||||
642 | return rrGetScreenResources(client, FALSE0); | |||||
643 | } | |||||
644 | ||||||
645 | typedef struct _RR10Data { | |||||
646 | RRScreenSizePtr sizes; | |||||
647 | int nsize; | |||||
648 | int nrefresh; | |||||
649 | int size; | |||||
650 | CARD16 refresh; | |||||
651 | } RR10DataRec, *RR10DataPtr; | |||||
652 | ||||||
653 | /* | |||||
654 | * Convert 1.2 monitor data into 1.0 screen data | |||||
655 | */ | |||||
656 | static RR10DataPtr | |||||
657 | RR10GetData(ScreenPtr pScreen, RROutputPtr output) | |||||
658 | { | |||||
659 | RR10DataPtr data; | |||||
660 | RRScreenSizePtr size; | |||||
661 | int nmode = output->numModes + output->numUserModes; | |||||
662 | int o, os, l, r; | |||||
663 | RRScreenRatePtr refresh; | |||||
664 | CARD16 vRefresh; | |||||
665 | RRModePtr mode; | |||||
666 | Bool *used; | |||||
667 | ||||||
668 | /* Make sure there is plenty of space for any combination */ | |||||
669 | data = malloc(sizeof(RR10DataRec) + | |||||
670 | sizeof(RRScreenSize) * nmode + | |||||
671 | sizeof(RRScreenRate) * nmode + sizeof(Bool) * nmode); | |||||
672 | if (!data) | |||||
673 | return NULL((void*)0); | |||||
674 | size = (RRScreenSizePtr) (data + 1); | |||||
675 | refresh = (RRScreenRatePtr) (size + nmode); | |||||
676 | used = (Bool *) (refresh + nmode); | |||||
677 | memset(used, '\0', sizeof(Bool) * nmode)__builtin___memset_chk (used, '\0', sizeof(Bool) * nmode, __builtin_object_size (used, 0)); | |||||
678 | data->sizes = size; | |||||
679 | data->nsize = 0; | |||||
680 | data->nrefresh = 0; | |||||
681 | data->size = 0; | |||||
682 | data->refresh = 0; | |||||
683 | ||||||
684 | /* | |||||
685 | * find modes not yet listed | |||||
686 | */ | |||||
687 | for (o = 0; o < output->numModes + output->numUserModes; o++) { | |||||
688 | if (used[o]) | |||||
689 | continue; | |||||
690 | ||||||
691 | if (o < output->numModes) | |||||
692 | mode = output->modes[o]; | |||||
693 | else | |||||
694 | mode = output->userModes[o - output->numModes]; | |||||
695 | ||||||
696 | l = data->nsize; | |||||
697 | size[l].id = data->nsize; | |||||
698 | size[l].width = mode->mode.width; | |||||
699 | size[l].height = mode->mode.height; | |||||
700 | if (output->mmWidth && output->mmHeight) { | |||||
701 | size[l].mmWidth = output->mmWidth; | |||||
702 | size[l].mmHeight = output->mmHeight; | |||||
703 | } | |||||
704 | else { | |||||
705 | size[l].mmWidth = pScreen->mmWidth; | |||||
706 | size[l].mmHeight = pScreen->mmHeight; | |||||
707 | } | |||||
708 | size[l].nRates = 0; | |||||
709 | size[l].pRates = &refresh[data->nrefresh]; | |||||
710 | data->nsize++; | |||||
711 | ||||||
712 | /* | |||||
713 | * Find all modes with matching size | |||||
714 | */ | |||||
715 | for (os = o; os < output->numModes + output->numUserModes; os++) { | |||||
716 | if (os < output->numModes) | |||||
717 | mode = output->modes[os]; | |||||
718 | else | |||||
719 | mode = output->userModes[os - output->numModes]; | |||||
720 | if (mode->mode.width == size[l].width && | |||||
721 | mode->mode.height == size[l].height) { | |||||
722 | vRefresh = RRVerticalRefresh(&mode->mode); | |||||
723 | used[os] = TRUE1; | |||||
724 | ||||||
725 | for (r = 0; r < size[l].nRates; r++) | |||||
726 | if (vRefresh == size[l].pRates[r].rate) | |||||
727 | break; | |||||
728 | if (r == size[l].nRates) { | |||||
729 | size[l].pRates[r].rate = vRefresh; | |||||
730 | size[l].pRates[r].mode = mode; | |||||
731 | size[l].nRates++; | |||||
732 | data->nrefresh++; | |||||
733 | } | |||||
734 | if (mode == output->crtc->mode) { | |||||
735 | data->size = l; | |||||
736 | data->refresh = vRefresh; | |||||
737 | } | |||||
738 | } | |||||
739 | } | |||||
740 | } | |||||
741 | return data; | |||||
742 | } | |||||
743 | ||||||
744 | int | |||||
745 | ProcRRGetScreenInfo(ClientPtr client) | |||||
746 | { | |||||
747 | REQUEST(xRRGetScreenInfoReq)xRRGetScreenInfoReq *stuff = (xRRGetScreenInfoReq *)client-> requestBuffer; | |||||
748 | xRRGetScreenInfoReply rep; | |||||
749 | WindowPtr pWin; | |||||
750 | int rc; | |||||
751 | ScreenPtr pScreen; | |||||
752 | rrScrPrivPtr pScrPriv; | |||||
753 | CARD8 *extra; | |||||
754 | unsigned long extraLen; | |||||
755 | RROutputPtr output; | |||||
756 | ||||||
757 | REQUEST_SIZE_MATCH(xRRGetScreenInfoReq)if ((sizeof(xRRGetScreenInfoReq) >> 2) != client->req_len ) return(16); | |||||
758 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||||
759 | if (rc != Success0) | |||||
760 | return rc; | |||||
761 | ||||||
762 | pScreen = pWin->drawable.pScreen; | |||||
763 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||||
764 | ||||||
765 | if (pScrPriv) | |||||
766 | if (!RRGetInfo(pScreen, TRUE1)) | |||||
767 | return BadAlloc11; | |||||
768 | ||||||
769 | output = RRFirstOutput(pScreen); | |||||
770 | ||||||
771 | if (!pScrPriv || !output) { | |||||
772 | rep = (xRRGetScreenInfoReply) { | |||||
773 | .type = X_Reply1, | |||||
774 | .setOfRotations = RR_Rotate_01, | |||||
775 | .sequenceNumber = client->sequence, | |||||
776 | .length = 0, | |||||
777 | .root = pWin->drawable.pScreen->root->drawable.id, | |||||
778 | .timestamp = currentTime.milliseconds, | |||||
779 | .configTimestamp = currentTime.milliseconds, | |||||
780 | .nSizes = 0, | |||||
781 | .sizeID = 0, | |||||
782 | .rotation = RR_Rotate_01, | |||||
783 | .rate = 0, | |||||
784 | .nrateEnts = 0 | |||||
785 | }; | |||||
786 | extra = 0; | |||||
787 | extraLen = 0; | |||||
788 | } | |||||
789 | else { | |||||
790 | int i, j; | |||||
791 | xScreenSizes *size; | |||||
792 | CARD16 *rates; | |||||
793 | CARD8 *data8; | |||||
794 | Bool has_rate = RRClientKnowsRates(client); | |||||
795 | RR10DataPtr pData; | |||||
796 | RRScreenSizePtr pSize; | |||||
797 | ||||||
798 | pData = RR10GetData(pScreen, output); | |||||
799 | if (!pData) | |||||
800 | return BadAlloc11; | |||||
801 | ||||||
802 | rep = (xRRGetScreenInfoReply) { | |||||
803 | .type = X_Reply1, | |||||
804 | .setOfRotations = output->crtc->rotations, | |||||
805 | .sequenceNumber = client->sequence, | |||||
806 | .length = 0, | |||||
807 | .root = pWin->drawable.pScreen->root->drawable.id, | |||||
808 | .timestamp = pScrPriv->lastSetTime.milliseconds, | |||||
809 | .configTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||||
810 | .rotation = output->crtc->rotation, | |||||
811 | .nSizes = pData->nsize, | |||||
812 | .nrateEnts = pData->nrefresh + pData->nsize, | |||||
813 | .sizeID = pData->size, | |||||
814 | .rate = pData->refresh | |||||
815 | }; | |||||
816 | ||||||
817 | extraLen = rep.nSizes * sizeof(xScreenSizes); | |||||
818 | if (has_rate) | |||||
819 | extraLen += rep.nrateEnts * sizeof(CARD16); | |||||
820 | ||||||
821 | if (extraLen) { | |||||
822 | extra = (CARD8 *) malloc(extraLen); | |||||
823 | if (!extra) { | |||||
824 | free(pData); | |||||
825 | return BadAlloc11; | |||||
826 | } | |||||
827 | } | |||||
828 | else | |||||
829 | extra = NULL((void*)0); | |||||
830 | ||||||
831 | /* | |||||
832 | * First comes the size information | |||||
833 | */ | |||||
834 | size = (xScreenSizes *) extra; | |||||
835 | rates = (CARD16 *) (size + rep.nSizes); | |||||
836 | for (i = 0; i < pData->nsize; i++) { | |||||
837 | pSize = &pData->sizes[i]; | |||||
838 | size->widthInPixels = pSize->width; | |||||
839 | size->heightInPixels = pSize->height; | |||||
840 | size->widthInMillimeters = pSize->mmWidth; | |||||
841 | size->heightInMillimeters = pSize->mmHeight; | |||||
842 | if (client->swapped) { | |||||
843 | 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); | |||||
844 | 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); | |||||
845 | 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); | |||||
846 | 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); | |||||
847 | } | |||||
848 | size++; | |||||
849 | if (has_rate) { | |||||
850 | *rates = pSize->nRates; | |||||
851 | if (client->swapped) { | |||||
852 | 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); | |||||
853 | } | |||||
854 | rates++; | |||||
855 | for (j = 0; j < pSize->nRates; j++) { | |||||
856 | *rates = pSize->pRates[j].rate; | |||||
857 | if (client->swapped) { | |||||
858 | 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); | |||||
859 | } | |||||
860 | rates++; | |||||
861 | } | |||||
862 | } | |||||
863 | } | |||||
864 | free(pData); | |||||
865 | ||||||
866 | data8 = (CARD8 *) rates; | |||||
867 | ||||||
868 | if (data8 - (CARD8 *) extra != extraLen) | |||||
869 | FatalError("RRGetScreenInfo bad extra len %ld != %ld\n", | |||||
870 | (unsigned long) (data8 - (CARD8 *) extra), extraLen); | |||||
871 | rep.length = bytes_to_int32(extraLen); | |||||
872 | } | |||||
873 | if (client->swapped) { | |||||
874 | 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); | |||||
875 | 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); | |||||
876 | 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); | |||||
877 | 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); | |||||
878 | 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); | |||||
879 | 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); | |||||
880 | 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); | |||||
881 | 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); | |||||
882 | 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); | |||||
883 | } | |||||
884 | WriteToClient(client, sizeof(xRRGetScreenInfoReply), &rep); | |||||
885 | if (extraLen) { | |||||
886 | WriteToClient(client, extraLen, extra); | |||||
887 | free(extra); | |||||
888 | } | |||||
889 | return Success0; | |||||
890 | } | |||||
891 | ||||||
892 | int | |||||
893 | ProcRRSetScreenConfig(ClientPtr client) | |||||
894 | { | |||||
895 | REQUEST(xRRSetScreenConfigReq)xRRSetScreenConfigReq *stuff = (xRRSetScreenConfigReq *)client ->requestBuffer; | |||||
896 | xRRSetScreenConfigReply rep; | |||||
897 | DrawablePtr pDraw; | |||||
898 | int rc; | |||||
899 | ScreenPtr pScreen; | |||||
900 | rrScrPrivPtr pScrPriv; | |||||
901 | TimeStamp time; | |||||
902 | int i; | |||||
903 | Rotation rotation; | |||||
904 | int rate; | |||||
905 | Bool has_rate; | |||||
906 | CARD8 status; | |||||
907 | RROutputPtr output; | |||||
908 | RRCrtcPtr crtc; | |||||
909 | RRModePtr mode; | |||||
910 | RR10DataPtr pData = NULL((void*)0); | |||||
911 | RRScreenSizePtr pSize; | |||||
912 | int width, height; | |||||
913 | ||||||
914 | UpdateCurrentTime(); | |||||
915 | ||||||
916 | if (RRClientKnowsRates(client)) { | |||||
917 | REQUEST_SIZE_MATCH(xRRSetScreenConfigReq)if ((sizeof(xRRSetScreenConfigReq) >> 2) != client-> req_len) return(16); | |||||
918 | has_rate = TRUE1; | |||||
919 | } | |||||
920 | else { | |||||
921 | REQUEST_SIZE_MATCH(xRR1_0SetScreenConfigReq)if ((sizeof(xRR1_0SetScreenConfigReq) >> 2) != client-> req_len) return(16); | |||||
922 | has_rate = FALSE0; | |||||
923 | } | |||||
924 | ||||||
925 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess(1<<1)); | |||||
926 | if (rc != Success0) | |||||
927 | return rc; | |||||
928 | ||||||
929 | pScreen = pDraw->pScreen; | |||||
930 | ||||||
931 | pScrPriv = rrGetScrPriv(pScreen)((rrScrPrivPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&rrPrivKeyRec))); | |||||
932 | ||||||
933 | time = ClientTimeToServerTime(stuff->timestamp); | |||||
934 | ||||||
935 | if (!pScrPriv) { | |||||
936 | time = currentTime; | |||||
937 | status = RRSetConfigFailed3; | |||||
938 | goto sendReply; | |||||
939 | } | |||||
940 | if (!RRGetInfo(pScreen, FALSE0)) | |||||
941 | return BadAlloc11; | |||||
942 | ||||||
943 | output = RRFirstOutput(pScreen); | |||||
944 | if (!output) { | |||||
945 | time = currentTime; | |||||
946 | status = RRSetConfigFailed3; | |||||
947 | goto sendReply; | |||||
948 | } | |||||
949 | ||||||
950 | crtc = output->crtc; | |||||
951 | ||||||
952 | /* | |||||
953 | * If the client's config timestamp is not the same as the last config | |||||
954 | * timestamp, then the config information isn't up-to-date and | |||||
955 | * can't even be validated. | |||||
956 | * | |||||
957 | * Note that the client only knows about the milliseconds part of the | |||||
958 | * timestamp, so using CompareTimeStamps here would cause randr to suddenly | |||||
959 | * stop working after several hours have passed (freedesktop bug #6502). | |||||
960 | */ | |||||
961 | if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds) { | |||||
962 | status = RRSetConfigInvalidConfigTime1; | |||||
963 | goto sendReply; | |||||
964 | } | |||||
965 | ||||||
966 | pData = RR10GetData(pScreen, output); | |||||
967 | if (!pData) | |||||
968 | return BadAlloc11; | |||||
969 | ||||||
970 | if (stuff->sizeID >= pData->nsize) { | |||||
971 | /* | |||||
972 | * Invalid size ID | |||||
973 | */ | |||||
974 | client->errorValue = stuff->sizeID; | |||||
975 | free(pData); | |||||
976 | return BadValue2; | |||||
977 | } | |||||
978 | pSize = &pData->sizes[stuff->sizeID]; | |||||
979 | ||||||
980 | /* | |||||
981 | * Validate requested rotation | |||||
982 | */ | |||||
983 | rotation = (Rotation) stuff->rotation; | |||||
984 | ||||||
985 | /* test the rotation bits only! */ | |||||
986 | switch (rotation & 0xf) { | |||||
987 | case RR_Rotate_01: | |||||
988 | case RR_Rotate_902: | |||||
989 | case RR_Rotate_1804: | |||||
990 | case RR_Rotate_2708: | |||||
991 | break; | |||||
992 | default: | |||||
993 | /* | |||||
994 | * Invalid rotation | |||||
995 | */ | |||||
996 | client->errorValue = stuff->rotation; | |||||
997 | free(pData); | |||||
998 | return BadValue2; | |||||
999 | } | |||||
1000 | ||||||
1001 | if ((~crtc->rotations) & rotation) { | |||||
1002 | /* | |||||
1003 | * requested rotation or reflection not supported by screen | |||||
1004 | */ | |||||
1005 | client->errorValue = stuff->rotation; | |||||
1006 | free(pData); | |||||
1007 | return BadMatch8; | |||||
1008 | } | |||||
1009 | ||||||
1010 | /* | |||||
1011 | * Validate requested refresh | |||||
1012 | */ | |||||
1013 | if (has_rate) | |||||
1014 | rate = (int) stuff->rate; | |||||
1015 | else | |||||
1016 | rate = 0; | |||||
1017 | ||||||
1018 | if (rate) { | |||||
1019 | for (i = 0; i < pSize->nRates; i++) { | |||||
1020 | if (pSize->pRates[i].rate == rate) | |||||
1021 | break; | |||||
1022 | } | |||||
1023 | if (i == pSize->nRates) { | |||||
1024 | /* | |||||
1025 | * Invalid rate | |||||
1026 | */ | |||||
1027 | client->errorValue = rate; | |||||
1028 | free(pData); | |||||
1029 | return BadValue2; | |||||
1030 | } | |||||
1031 | mode = pSize->pRates[i].mode; | |||||
1032 | } | |||||
1033 | else | |||||
1034 | mode = pSize->pRates[0].mode; | |||||
1035 | ||||||
1036 | /* | |||||
1037 | * Make sure the requested set-time is not older than | |||||
1038 | * the last set-time | |||||
1039 | */ | |||||
1040 | if (CompareTimeStamps(time, pScrPriv->lastSetTime) < 0) { | |||||
1041 | status = RRSetConfigInvalidTime2; | |||||
1042 | goto sendReply; | |||||
1043 | } | |||||
1044 | ||||||
1045 | /* | |||||
1046 | * If the screen size is changing, adjust all of the other outputs | |||||
1047 | * to fit the new size, mirroring as much as possible | |||||
1048 | */ | |||||
1049 | width = mode->mode.width; | |||||
1050 | height = mode->mode.height; | |||||
1051 | if (width < pScrPriv->minWidth || pScrPriv->maxWidth < width) { | |||||
1052 | client->errorValue = width; | |||||
1053 | free(pData); | |||||
1054 | return BadValue2; | |||||
1055 | } | |||||
1056 | if (height < pScrPriv->minHeight || pScrPriv->maxHeight < height) { | |||||
1057 | client->errorValue = height; | |||||
1058 | free(pData); | |||||
1059 | return BadValue2; | |||||
1060 | } | |||||
1061 | ||||||
1062 | if (rotation & (RR_Rotate_902 | RR_Rotate_2708)) { | |||||
1063 | width = mode->mode.height; | |||||
1064 | height = mode->mode.width; | |||||
1065 | } | |||||
1066 | ||||||
1067 | if (width != pScreen->width || height != pScreen->height) { | |||||
1068 | int c; | |||||
1069 | ||||||
1070 | for (c = 0; c < pScrPriv->numCrtcs; c++) { | |||||
1071 | if (!RRCrtcSet(pScrPriv->crtcs[c], NULL((void*)0), 0, 0, RR_Rotate_01, | |||||
1072 | 0, NULL((void*)0))) { | |||||
1073 | status = RRSetConfigFailed3; | |||||
1074 | /* XXX recover from failure */ | |||||
1075 | goto sendReply; | |||||
1076 | } | |||||
1077 | } | |||||
1078 | if (!RRScreenSizeSet(pScreen, width, height, | |||||
1079 | pScreen->mmWidth, pScreen->mmHeight)) { | |||||
1080 | status = RRSetConfigFailed3; | |||||
1081 | /* XXX recover from failure */ | |||||
1082 | goto sendReply; | |||||
1083 | } | |||||
1084 | } | |||||
1085 | ||||||
1086 | if (!RRCrtcSet(crtc, mode, 0, 0, stuff->rotation, 1, &output)) | |||||
1087 | status = RRSetConfigFailed3; | |||||
1088 | else { | |||||
1089 | pScrPriv->lastSetTime = time; | |||||
1090 | status = RRSetConfigSuccess0; | |||||
1091 | } | |||||
1092 | ||||||
1093 | /* | |||||
1094 | * XXX Configure other crtcs to mirror as much as possible | |||||
1095 | */ | |||||
1096 | ||||||
1097 | sendReply: | |||||
1098 | ||||||
1099 | free(pData); | |||||
1100 | ||||||
1101 | rep = (xRRSetScreenConfigReply) { | |||||
1102 | .type = X_Reply1, | |||||
1103 | .status = status, | |||||
1104 | .sequenceNumber = client->sequence, | |||||
1105 | .length = 0, | |||||
1106 | ||||||
1107 | .newTimestamp = pScrPriv->lastSetTime.milliseconds, | |||||
1108 | .newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds, | |||||
1109 | .root = pDraw->pScreen->root->drawable.id, | |||||
1110 | /* .subpixelOrder = ?? */ | |||||
1111 | }; | |||||
1112 | ||||||
1113 | if (client->swapped) { | |||||
1114 | 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); | |||||
1115 | 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); | |||||
1116 | 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); | |||||
1117 | 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); | |||||
1118 | 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); | |||||
1119 | } | |||||
1120 | WriteToClient(client, sizeof(xRRSetScreenConfigReply), &rep); | |||||
1121 | ||||||
1122 | return Success0; | |||||
1123 | } | |||||
1124 | ||||||
1125 | static CARD16 | |||||
1126 | RR10CurrentSizeID(ScreenPtr pScreen) | |||||
1127 | { | |||||
1128 | CARD16 sizeID = 0xffff; | |||||
1129 | RROutputPtr output = RRFirstOutput(pScreen); | |||||
1130 | ||||||
1131 | if (output) { | |||||
1132 | RR10DataPtr data = RR10GetData(pScreen, output); | |||||
1133 | ||||||
1134 | if (data) { | |||||
1135 | int i; | |||||
1136 | ||||||
1137 | for (i = 0; i < data->nsize; i++) | |||||
1138 | if (data->sizes[i].width == pScreen->width && | |||||
1139 | data->sizes[i].height == pScreen->height) { | |||||
1140 | sizeID = (CARD16) i; | |||||
1141 | break; | |||||
1142 | } | |||||
1143 | free(data); | |||||
1144 | } | |||||
1145 | } | |||||
1146 | return sizeID; | |||||
1147 | } |