File: | composite/compext.c |
Location: | line 825, column 23 |
Description: | Dereference of null pointer |
1 | /* | |||
2 | * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. | |||
3 | * | |||
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |||
5 | * copy of this software and associated documentation files (the "Software"), | |||
6 | * to deal in the Software without restriction, including without limitation | |||
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |||
8 | * and/or sell copies of the Software, and to permit persons to whom the | |||
9 | * Software is furnished to do so, subject to the following conditions: | |||
10 | * | |||
11 | * The above copyright notice and this permission notice (including the next | |||
12 | * paragraph) shall be included in all copies or substantial portions of the | |||
13 | * Software. | |||
14 | * | |||
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |||
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |||
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |||
21 | * DEALINGS IN THE SOFTWARE. | |||
22 | * | |||
23 | * Copyright © 2003 Keith Packard | |||
24 | * | |||
25 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
26 | * documentation for any purpose is hereby granted without fee, provided that | |||
27 | * the above copyright notice appear in all copies and that both that | |||
28 | * copyright notice and this permission notice appear in supporting | |||
29 | * documentation, and that the name of Keith Packard not be used in | |||
30 | * advertising or publicity pertaining to distribution of the software without | |||
31 | * specific, written prior permission. Keith Packard makes no | |||
32 | * representations about the suitability of this software for any purpose. It | |||
33 | * is provided "as is" without express or implied warranty. | |||
34 | * | |||
35 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
36 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |||
37 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
38 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |||
39 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |||
40 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |||
41 | * PERFORMANCE OF THIS SOFTWARE. | |||
42 | */ | |||
43 | ||||
44 | #ifdef HAVE_DIX_CONFIG_H1 | |||
45 | #include <dix-config.h> | |||
46 | #endif | |||
47 | ||||
48 | #include "compint.h" | |||
49 | #include "xace.h" | |||
50 | #include "protocol-versions.h" | |||
51 | #include "extinit.h" | |||
52 | ||||
53 | static CARD8 CompositeReqCode; | |||
54 | static DevPrivateKeyRec CompositeClientPrivateKeyRec; | |||
55 | ||||
56 | #define CompositeClientPrivateKey(&CompositeClientPrivateKeyRec) (&CompositeClientPrivateKeyRec) | |||
57 | RESTYPE CompositeClientWindowType; | |||
58 | RESTYPE CompositeClientSubwindowsType; | |||
59 | RESTYPE CompositeClientOverlayType; | |||
60 | ||||
61 | typedef struct _CompositeClient { | |||
62 | int major_version; | |||
63 | int minor_version; | |||
64 | } CompositeClientRec, *CompositeClientPtr; | |||
65 | ||||
66 | #define GetCompositeClient(pClient)((CompositeClientPtr) dixLookupPrivate(&(pClient)->devPrivates , (&CompositeClientPrivateKeyRec))) ((CompositeClientPtr) \ | |||
67 | dixLookupPrivate(&(pClient)->devPrivates, CompositeClientPrivateKey(&CompositeClientPrivateKeyRec))) | |||
68 | ||||
69 | static int | |||
70 | FreeCompositeClientWindow(void *value, XID ccwid) | |||
71 | { | |||
72 | WindowPtr pWin = value; | |||
73 | ||||
74 | compFreeClientWindow(pWin, ccwid); | |||
75 | return Success0; | |||
76 | } | |||
77 | ||||
78 | static int | |||
79 | FreeCompositeClientSubwindows(void *value, XID ccwid) | |||
80 | { | |||
81 | WindowPtr pWin = value; | |||
82 | ||||
83 | compFreeClientSubwindows(pWin, ccwid); | |||
84 | return Success0; | |||
85 | } | |||
86 | ||||
87 | static int | |||
88 | FreeCompositeClientOverlay(void *value, XID ccwid) | |||
89 | { | |||
90 | CompOverlayClientPtr pOc = (CompOverlayClientPtr) value; | |||
91 | ||||
92 | compFreeOverlayClient(pOc); | |||
93 | return Success0; | |||
94 | } | |||
95 | ||||
96 | static int | |||
97 | ProcCompositeQueryVersion(ClientPtr client) | |||
98 | { | |||
99 | CompositeClientPtr pCompositeClient = GetCompositeClient(client)((CompositeClientPtr) dixLookupPrivate(&(client)->devPrivates , (&CompositeClientPrivateKeyRec))); | |||
100 | xCompositeQueryVersionReply rep = { | |||
101 | .type = X_Reply1, | |||
102 | .sequenceNumber = client->sequence, | |||
103 | .length = 0 | |||
104 | }; | |||
105 | ||||
106 | REQUEST(xCompositeQueryVersionReq)xCompositeQueryVersionReq *stuff = (xCompositeQueryVersionReq *)client->requestBuffer; | |||
107 | ||||
108 | REQUEST_SIZE_MATCH(xCompositeQueryVersionReq)if ((sizeof(xCompositeQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
109 | if (stuff->majorVersion < SERVER_COMPOSITE_MAJOR_VERSION0) { | |||
110 | rep.majorVersion = stuff->majorVersion; | |||
111 | rep.minorVersion = stuff->minorVersion; | |||
112 | } | |||
113 | else { | |||
114 | rep.majorVersion = SERVER_COMPOSITE_MAJOR_VERSION0; | |||
115 | rep.minorVersion = SERVER_COMPOSITE_MINOR_VERSION4; | |||
116 | } | |||
117 | pCompositeClient->major_version = rep.majorVersion; | |||
118 | pCompositeClient->minor_version = rep.minorVersion; | |||
119 | if (client->swapped) { | |||
120 | 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); | |||
121 | 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); | |||
122 | swapl(&rep.majorVersion)do { if (sizeof(*(&rep.majorVersion)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.majorVersion) & 3) && ((uintptr_t)(&rep.majorVersion) & 3) == 0) *(&rep.majorVersion) = lswapl(*(&rep.majorVersion )); else swap_uint32((uint32_t *)(&rep.majorVersion)); } while (0); | |||
123 | swapl(&rep.minorVersion)do { if (sizeof(*(&rep.minorVersion)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.minorVersion) & 3) && ((uintptr_t)(&rep.minorVersion) & 3) == 0) *(&rep.minorVersion) = lswapl(*(&rep.minorVersion )); else swap_uint32((uint32_t *)(&rep.minorVersion)); } while (0); | |||
124 | } | |||
125 | WriteToClient(client, sizeof(xCompositeQueryVersionReply), &rep); | |||
126 | return Success0; | |||
127 | } | |||
128 | ||||
129 | #define VERIFY_WINDOW(pWindow, wid, client, mode)do { int err; err = dixLookupResourceByType((void **) &pWindow , wid, ((RESTYPE)1|((RESTYPE)1<<30)), client, mode); if (err != 0) { client->errorValue = wid; return err; } } while (0) \ | |||
130 | do { \ | |||
131 | int err; \ | |||
132 | err = dixLookupResourceByType((void **) &pWindow, wid, \ | |||
133 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), client, mode); \ | |||
134 | if (err != Success0) { \ | |||
135 | client->errorValue = wid; \ | |||
136 | return err; \ | |||
137 | } \ | |||
138 | } while (0) | |||
139 | ||||
140 | static int | |||
141 | ProcCompositeRedirectWindow(ClientPtr client) | |||
142 | { | |||
143 | WindowPtr pWin; | |||
144 | ||||
145 | REQUEST(xCompositeRedirectWindowReq)xCompositeRedirectWindowReq *stuff = (xCompositeRedirectWindowReq *)client->requestBuffer; | |||
146 | ||||
147 | REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq)if ((sizeof(xCompositeRedirectWindowReq) >> 2) != client ->req_len) return(16); | |||
148 | VERIFY_WINDOW(pWin, stuff->window, client,do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0) | |||
149 | DixSetAttrAccess | DixManageAccess | DixBlendAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0); | |||
150 | ||||
151 | return compRedirectWindow(client, pWin, stuff->update); | |||
152 | } | |||
153 | ||||
154 | static int | |||
155 | ProcCompositeRedirectSubwindows(ClientPtr client) | |||
156 | { | |||
157 | WindowPtr pWin; | |||
158 | ||||
159 | REQUEST(xCompositeRedirectSubwindowsReq)xCompositeRedirectSubwindowsReq *stuff = (xCompositeRedirectSubwindowsReq *)client->requestBuffer; | |||
160 | ||||
161 | REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq)if ((sizeof(xCompositeRedirectSubwindowsReq) >> 2) != client ->req_len) return(16); | |||
162 | VERIFY_WINDOW(pWin, stuff->window, client,do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0) | |||
163 | DixSetAttrAccess | DixManageAccess | DixBlendAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0); | |||
164 | ||||
165 | return compRedirectSubwindows(client, pWin, stuff->update); | |||
166 | } | |||
167 | ||||
168 | static int | |||
169 | ProcCompositeUnredirectWindow(ClientPtr client) | |||
170 | { | |||
171 | WindowPtr pWin; | |||
172 | ||||
173 | REQUEST(xCompositeUnredirectWindowReq)xCompositeUnredirectWindowReq *stuff = (xCompositeUnredirectWindowReq *)client->requestBuffer; | |||
174 | ||||
175 | REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq)if ((sizeof(xCompositeUnredirectWindowReq) >> 2) != client ->req_len) return(16); | |||
176 | VERIFY_WINDOW(pWin, stuff->window, client,do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0) | |||
177 | DixSetAttrAccess | DixManageAccess | DixBlendAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0); | |||
178 | ||||
179 | return compUnredirectWindow(client, pWin, stuff->update); | |||
180 | } | |||
181 | ||||
182 | static int | |||
183 | ProcCompositeUnredirectSubwindows(ClientPtr client) | |||
184 | { | |||
185 | WindowPtr pWin; | |||
186 | ||||
187 | REQUEST(xCompositeUnredirectSubwindowsReq)xCompositeUnredirectSubwindowsReq *stuff = (xCompositeUnredirectSubwindowsReq *)client->requestBuffer; | |||
188 | ||||
189 | REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq)if ((sizeof(xCompositeUnredirectSubwindowsReq) >> 2) != client->req_len) return(16); | |||
190 | VERIFY_WINDOW(pWin, stuff->window, client,do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0) | |||
191 | DixSetAttrAccess | DixManageAccess | DixBlendAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<5) | (1<<25) | (1<<16)); if (err != 0 ) { client->errorValue = stuff->window; return err; } } while (0); | |||
192 | ||||
193 | return compUnredirectSubwindows(client, pWin, stuff->update); | |||
194 | } | |||
195 | ||||
196 | static int | |||
197 | ProcCompositeCreateRegionFromBorderClip(ClientPtr client) | |||
198 | { | |||
199 | WindowPtr pWin; | |||
200 | CompWindowPtr cw; | |||
201 | RegionPtr pBorderClip, pRegion; | |||
202 | ||||
203 | REQUEST(xCompositeCreateRegionFromBorderClipReq)xCompositeCreateRegionFromBorderClipReq *stuff = (xCompositeCreateRegionFromBorderClipReq *)client->requestBuffer; | |||
204 | ||||
205 | REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq)if ((sizeof(xCompositeCreateRegionFromBorderClipReq) >> 2) != client->req_len) return(16); | |||
206 | VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<4)); if (err != 0) { client->errorValue = stuff ->window; return err; } } while (0); | |||
207 | LEGAL_NEW_RESOURCE(stuff->region, client)if (!LegalNewID(stuff->region,client)) { client->errorValue = stuff->region; return 14; }; | |||
208 | ||||
209 | cw = GetCompWindow(pWin)((CompWindowPtr) dixLookupPrivate(&(pWin)->devPrivates , (&CompWindowPrivateKeyRec))); | |||
210 | if (cw) | |||
211 | pBorderClip = &cw->borderClip; | |||
212 | else | |||
213 | pBorderClip = &pWin->borderClip; | |||
214 | pRegion = XFixesRegionCopy(pBorderClip); | |||
215 | if (!pRegion) | |||
216 | return BadAlloc11; | |||
217 | RegionTranslate(pRegion, -pWin->drawable.x, -pWin->drawable.y); | |||
218 | ||||
219 | if (!AddResourceDarwin_X_AddResource(stuff->region, RegionResType, (void *) pRegion)) | |||
220 | return BadAlloc11; | |||
221 | ||||
222 | return Success0; | |||
223 | } | |||
224 | ||||
225 | static int | |||
226 | ProcCompositeNameWindowPixmap(ClientPtr client) | |||
227 | { | |||
228 | WindowPtr pWin; | |||
229 | CompWindowPtr cw; | |||
230 | PixmapPtr pPixmap; | |||
231 | ScreenPtr pScreen; | |||
232 | int rc; | |||
233 | ||||
234 | REQUEST(xCompositeNameWindowPixmapReq)xCompositeNameWindowPixmapReq *stuff = (xCompositeNameWindowPixmapReq *)client->requestBuffer; | |||
235 | ||||
236 | REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq)if ((sizeof(xCompositeNameWindowPixmapReq) >> 2) != client ->req_len) return(16); | |||
237 | VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<4)); if (err != 0) { client->errorValue = stuff ->window; return err; } } while (0); | |||
238 | ||||
239 | pScreen = pWin->drawable.pScreen; | |||
240 | ||||
241 | if (!pWin->viewable) | |||
242 | return BadMatch8; | |||
243 | ||||
244 | LEGAL_NEW_RESOURCE(stuff->pixmap, client)if (!LegalNewID(stuff->pixmap,client)) { client->errorValue = stuff->pixmap; return 14; }; | |||
245 | ||||
246 | cw = GetCompWindow(pWin)((CompWindowPtr) dixLookupPrivate(&(pWin)->devPrivates , (&CompWindowPrivateKeyRec))); | |||
247 | if (!cw) | |||
248 | return BadMatch8; | |||
249 | ||||
250 | pPixmap = (*pScreen->GetWindowPixmap) (pWin); | |||
251 | if (!pPixmap) | |||
252 | return BadMatch8; | |||
253 | ||||
254 | /* security creation/labeling check */ | |||
255 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, stuff->pixmap, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), | |||
256 | pPixmap, RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), pWin, DixCreateAccess(1<<3)); | |||
257 | if (rc != Success0) | |||
258 | return rc; | |||
259 | ||||
260 | ++pPixmap->refcnt; | |||
261 | ||||
262 | if (!AddResourceDarwin_X_AddResource(stuff->pixmap, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), (void *) pPixmap)) | |||
263 | return BadAlloc11; | |||
264 | ||||
265 | if (pScreen->NameWindowPixmap) { | |||
266 | rc = pScreen->NameWindowPixmap(pWin, pPixmap, stuff->pixmap); | |||
267 | if (rc != Success0) { | |||
268 | FreeResource(stuff->pixmap, RT_NONE((RESTYPE)0)); | |||
269 | return rc; | |||
270 | } | |||
271 | } | |||
272 | ||||
273 | return Success0; | |||
274 | } | |||
275 | ||||
276 | static int | |||
277 | ProcCompositeGetOverlayWindow(ClientPtr client) | |||
278 | { | |||
279 | REQUEST(xCompositeGetOverlayWindowReq)xCompositeGetOverlayWindowReq *stuff = (xCompositeGetOverlayWindowReq *)client->requestBuffer; | |||
280 | xCompositeGetOverlayWindowReply rep; | |||
281 | WindowPtr pWin; | |||
282 | ScreenPtr pScreen; | |||
283 | CompScreenPtr cs; | |||
284 | CompOverlayClientPtr pOc; | |||
285 | int rc; | |||
286 | ||||
287 | REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq)if ((sizeof(xCompositeGetOverlayWindowReq) >> 2) != client ->req_len) return(16); | |||
288 | VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<4)); if (err != 0) { client->errorValue = stuff ->window; return err; } } while (0); | |||
289 | pScreen = pWin->drawable.pScreen; | |||
290 | ||||
291 | /* | |||
292 | * Create an OverlayClient structure to mark this client's | |||
293 | * interest in the overlay window | |||
294 | */ | |||
295 | pOc = compCreateOverlayClient(pScreen, client); | |||
296 | if (pOc == NULL((void*)0)) | |||
297 | return BadAlloc11; | |||
298 | ||||
299 | /* | |||
300 | * Make sure the overlay window exists | |||
301 | */ | |||
302 | cs = GetCompScreen(pScreen)((CompScreenPtr) dixLookupPrivate(&(pScreen)->devPrivates , (&CompScreenPrivateKeyRec))); | |||
303 | if (cs->pOverlayWin == NULL((void*)0)) | |||
304 | if (!compCreateOverlayWindow(pScreen)) { | |||
305 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
306 | return BadAlloc11; | |||
307 | } | |||
308 | ||||
309 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, cs->pOverlayWin->drawable.id, | |||
310 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), cs->pOverlayWin, RT_NONE((RESTYPE)0), NULL((void*)0), DixGetAttrAccess(1<<4)); | |||
311 | if (rc != Success0) { | |||
312 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
313 | return rc; | |||
314 | } | |||
315 | ||||
316 | rep = (xCompositeGetOverlayWindowReply) { | |||
317 | .type = X_Reply1, | |||
318 | .sequenceNumber = client->sequence, | |||
319 | .length = 0, | |||
320 | .overlayWin = cs->pOverlayWin->drawable.id | |||
321 | }; | |||
322 | ||||
323 | if (client->swapped) { | |||
324 | 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); | |||
325 | 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); | |||
326 | swapl(&rep.overlayWin)do { if (sizeof(*(&rep.overlayWin)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.overlayWin) & 3) && ((uintptr_t)(&rep.overlayWin) & 3) == 0 ) *(&rep.overlayWin) = lswapl(*(&rep.overlayWin)); else swap_uint32((uint32_t *)(&rep.overlayWin)); } while (0); | |||
327 | } | |||
328 | WriteToClient(client, sz_xCompositeGetOverlayWindowReplysizeof(xCompositeGetOverlayWindowReply), &rep); | |||
329 | ||||
330 | return Success0; | |||
331 | } | |||
332 | ||||
333 | static int | |||
334 | ProcCompositeReleaseOverlayWindow(ClientPtr client) | |||
335 | { | |||
336 | REQUEST(xCompositeReleaseOverlayWindowReq)xCompositeReleaseOverlayWindowReq *stuff = (xCompositeReleaseOverlayWindowReq *)client->requestBuffer; | |||
337 | WindowPtr pWin; | |||
338 | CompOverlayClientPtr pOc; | |||
339 | ||||
340 | REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq)if ((sizeof(xCompositeReleaseOverlayWindowReq) >> 2) != client->req_len) return(16); | |||
341 | VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess)do { int err; err = dixLookupResourceByType((void **) &pWin , stuff->window, ((RESTYPE)1|((RESTYPE)1<<30)), client , (1<<4)); if (err != 0) { client->errorValue = stuff ->window; return err; } } while (0); | |||
342 | ||||
343 | /* | |||
344 | * Has client queried a reference to the overlay window | |||
345 | * on this screen? If not, generate an error. | |||
346 | */ | |||
347 | pOc = compFindOverlayClient(pWin->drawable.pScreen, client); | |||
348 | if (pOc == NULL((void*)0)) | |||
349 | return BadMatch8; | |||
350 | ||||
351 | /* The delete function will free the client structure */ | |||
352 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
353 | ||||
354 | return Success0; | |||
355 | } | |||
356 | ||||
357 | static int (*ProcCompositeVector[CompositeNumberRequests(8 + 1)]) (ClientPtr) = { | |||
358 | ProcCompositeQueryVersion, | |||
359 | ProcCompositeRedirectWindow, | |||
360 | ProcCompositeRedirectSubwindows, | |||
361 | ProcCompositeUnredirectWindow, | |||
362 | ProcCompositeUnredirectSubwindows, | |||
363 | ProcCompositeCreateRegionFromBorderClip, | |||
364 | ProcCompositeNameWindowPixmap, | |||
365 | ProcCompositeGetOverlayWindow, ProcCompositeReleaseOverlayWindow,}; | |||
366 | ||||
367 | static int | |||
368 | ProcCompositeDispatch(ClientPtr client) | |||
369 | { | |||
370 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
371 | ||||
372 | if (stuff->data < CompositeNumberRequests(8 + 1)) | |||
373 | return (*ProcCompositeVector[stuff->data]) (client); | |||
374 | else | |||
375 | return BadRequest1; | |||
376 | } | |||
377 | ||||
378 | static int | |||
379 | SProcCompositeQueryVersion(ClientPtr client) | |||
380 | { | |||
381 | REQUEST(xCompositeQueryVersionReq)xCompositeQueryVersionReq *stuff = (xCompositeQueryVersionReq *)client->requestBuffer; | |||
382 | ||||
383 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
384 | REQUEST_SIZE_MATCH(xCompositeQueryVersionReq)if ((sizeof(xCompositeQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
385 | swapl(&stuff->majorVersion)do { if (sizeof(*(&stuff->majorVersion)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->majorVersion ) & 3) && ((uintptr_t)(&stuff->majorVersion ) & 3) == 0) *(&stuff->majorVersion) = lswapl(*(& stuff->majorVersion)); else swap_uint32((uint32_t *)(& stuff->majorVersion)); } while (0); | |||
386 | swapl(&stuff->minorVersion)do { if (sizeof(*(&stuff->minorVersion)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->minorVersion ) & 3) && ((uintptr_t)(&stuff->minorVersion ) & 3) == 0) *(&stuff->minorVersion) = lswapl(*(& stuff->minorVersion)); else swap_uint32((uint32_t *)(& stuff->minorVersion)); } while (0); | |||
387 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
388 | } | |||
389 | ||||
390 | static int | |||
391 | SProcCompositeRedirectWindow(ClientPtr client) | |||
392 | { | |||
393 | REQUEST(xCompositeRedirectWindowReq)xCompositeRedirectWindowReq *stuff = (xCompositeRedirectWindowReq *)client->requestBuffer; | |||
394 | ||||
395 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
396 | REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq)if ((sizeof(xCompositeRedirectWindowReq) >> 2) != client ->req_len) return(16); | |||
397 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
398 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
399 | } | |||
400 | ||||
401 | static int | |||
402 | SProcCompositeRedirectSubwindows(ClientPtr client) | |||
403 | { | |||
404 | REQUEST(xCompositeRedirectSubwindowsReq)xCompositeRedirectSubwindowsReq *stuff = (xCompositeRedirectSubwindowsReq *)client->requestBuffer; | |||
405 | ||||
406 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
407 | REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq)if ((sizeof(xCompositeRedirectSubwindowsReq) >> 2) != client ->req_len) return(16); | |||
408 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
409 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
410 | } | |||
411 | ||||
412 | static int | |||
413 | SProcCompositeUnredirectWindow(ClientPtr client) | |||
414 | { | |||
415 | REQUEST(xCompositeUnredirectWindowReq)xCompositeUnredirectWindowReq *stuff = (xCompositeUnredirectWindowReq *)client->requestBuffer; | |||
416 | ||||
417 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
418 | REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq)if ((sizeof(xCompositeUnredirectWindowReq) >> 2) != client ->req_len) return(16); | |||
419 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
420 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
421 | } | |||
422 | ||||
423 | static int | |||
424 | SProcCompositeUnredirectSubwindows(ClientPtr client) | |||
425 | { | |||
426 | REQUEST(xCompositeUnredirectSubwindowsReq)xCompositeUnredirectSubwindowsReq *stuff = (xCompositeUnredirectSubwindowsReq *)client->requestBuffer; | |||
427 | ||||
428 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
429 | REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq)if ((sizeof(xCompositeUnredirectSubwindowsReq) >> 2) != client->req_len) return(16); | |||
430 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
431 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
432 | } | |||
433 | ||||
434 | static int | |||
435 | SProcCompositeCreateRegionFromBorderClip(ClientPtr client) | |||
436 | { | |||
437 | REQUEST(xCompositeCreateRegionFromBorderClipReq)xCompositeCreateRegionFromBorderClipReq *stuff = (xCompositeCreateRegionFromBorderClipReq *)client->requestBuffer; | |||
438 | ||||
439 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
440 | REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq)if ((sizeof(xCompositeCreateRegionFromBorderClipReq) >> 2) != client->req_len) return(16); | |||
441 | swapl(&stuff->region)do { if (sizeof(*(&stuff->region)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->region) & 3) && ((uintptr_t)(&stuff->region) & 3) == 0) *(&stuff->region) = lswapl(*(&stuff->region )); else swap_uint32((uint32_t *)(&stuff->region)); } while (0); | |||
442 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
443 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
444 | } | |||
445 | ||||
446 | static int | |||
447 | SProcCompositeNameWindowPixmap(ClientPtr client) | |||
448 | { | |||
449 | REQUEST(xCompositeNameWindowPixmapReq)xCompositeNameWindowPixmapReq *stuff = (xCompositeNameWindowPixmapReq *)client->requestBuffer; | |||
450 | ||||
451 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
452 | REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq)if ((sizeof(xCompositeNameWindowPixmapReq) >> 2) != client ->req_len) return(16); | |||
453 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
454 | swapl(&stuff->pixmap)do { if (sizeof(*(&stuff->pixmap)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->pixmap) & 3) && ((uintptr_t)(&stuff->pixmap) & 3) == 0) *(&stuff->pixmap) = lswapl(*(&stuff->pixmap )); else swap_uint32((uint32_t *)(&stuff->pixmap)); } while (0); | |||
455 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
456 | } | |||
457 | ||||
458 | static int | |||
459 | SProcCompositeGetOverlayWindow(ClientPtr client) | |||
460 | { | |||
461 | REQUEST(xCompositeGetOverlayWindowReq)xCompositeGetOverlayWindowReq *stuff = (xCompositeGetOverlayWindowReq *)client->requestBuffer; | |||
462 | ||||
463 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
464 | REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq)if ((sizeof(xCompositeGetOverlayWindowReq) >> 2) != client ->req_len) return(16); | |||
465 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
466 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
467 | } | |||
468 | ||||
469 | static int | |||
470 | SProcCompositeReleaseOverlayWindow(ClientPtr client) | |||
471 | { | |||
472 | REQUEST(xCompositeReleaseOverlayWindowReq)xCompositeReleaseOverlayWindowReq *stuff = (xCompositeReleaseOverlayWindowReq *)client->requestBuffer; | |||
473 | ||||
474 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
475 | REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq)if ((sizeof(xCompositeReleaseOverlayWindowReq) >> 2) != client->req_len) return(16); | |||
476 | swapl(&stuff->window)do { if (sizeof(*(&stuff->window)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->window) & 3) && ((uintptr_t)(&stuff->window) & 3) == 0) *(&stuff->window) = lswapl(*(&stuff->window )); else swap_uint32((uint32_t *)(&stuff->window)); } while (0); | |||
477 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
478 | } | |||
479 | ||||
480 | static int (*SProcCompositeVector[CompositeNumberRequests(8 + 1)]) (ClientPtr) = { | |||
481 | SProcCompositeQueryVersion, | |||
482 | SProcCompositeRedirectWindow, | |||
483 | SProcCompositeRedirectSubwindows, | |||
484 | SProcCompositeUnredirectWindow, | |||
485 | SProcCompositeUnredirectSubwindows, | |||
486 | SProcCompositeCreateRegionFromBorderClip, | |||
487 | SProcCompositeNameWindowPixmap, | |||
488 | SProcCompositeGetOverlayWindow, SProcCompositeReleaseOverlayWindow,}; | |||
489 | ||||
490 | static int | |||
491 | SProcCompositeDispatch(ClientPtr client) | |||
492 | { | |||
493 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
494 | ||||
495 | if (stuff->data < CompositeNumberRequests(8 + 1)) | |||
496 | return (*SProcCompositeVector[stuff->data]) (client); | |||
497 | else | |||
498 | return BadRequest1; | |||
499 | } | |||
500 | ||||
501 | /** @see GetDefaultBytes */ | |||
502 | static void | |||
503 | GetCompositeClientWindowBytes(void *value, XID id, ResourceSizePtr size) | |||
504 | { | |||
505 | WindowPtr window = value; | |||
506 | ||||
507 | /* Currently only pixmap bytes are reported to clients. */ | |||
508 | size->resourceSize = 0; | |||
509 | ||||
510 | /* Calculate pixmap reference sizes. */ | |||
511 | size->pixmapRefSize = 0; | |||
512 | if (window->redirectDraw != RedirectDrawNone0) | |||
513 | { | |||
514 | SizeType pixmapSizeFunc = GetResourceTypeSizeFunc(RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30))); | |||
515 | ResourceSizeRec pixmapSize = { 0, 0 }; | |||
516 | ScreenPtr screen = window->drawable.pScreen; | |||
517 | PixmapPtr pixmap = screen->GetWindowPixmap(window); | |||
518 | pixmapSizeFunc(pixmap, pixmap->drawable.id, &pixmapSize); | |||
519 | size->pixmapRefSize += pixmapSize.pixmapRefSize; | |||
520 | } | |||
521 | } | |||
522 | ||||
523 | void | |||
524 | CompositeExtensionInit(void) | |||
525 | { | |||
526 | ExtensionEntry *extEntry; | |||
527 | int s; | |||
528 | ||||
529 | /* Assume initialization is going to fail */ | |||
530 | noCompositeExtension = TRUE1; | |||
531 | ||||
532 | for (s = 0; s < screenInfo.numScreens; s++) { | |||
533 | ScreenPtr pScreen = screenInfo.screens[s]; | |||
534 | VisualPtr vis; | |||
535 | ||||
536 | /* Composite on 8bpp pseudocolor root windows appears to fail, so | |||
537 | * just disable it on anything pseudocolor for safety. | |||
538 | */ | |||
539 | for (vis = pScreen->visuals; vis->vid != pScreen->rootVisual; vis++); | |||
540 | if ((vis->class | DynamicClass1) == PseudoColor3) | |||
541 | return; | |||
542 | ||||
543 | /* Ensure that Render is initialized, which is required for automatic | |||
544 | * compositing. | |||
545 | */ | |||
546 | if (GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)) == NULL((void*)0)) | |||
547 | return; | |||
548 | } | |||
549 | ||||
550 | CompositeClientWindowType = CreateNewResourceType | |||
551 | (FreeCompositeClientWindow, "CompositeClientWindow"); | |||
552 | if (!CompositeClientWindowType) | |||
553 | return; | |||
554 | ||||
555 | SetResourceTypeSizeFunc(CompositeClientWindowType, | |||
556 | GetCompositeClientWindowBytes); | |||
557 | ||||
558 | CompositeClientSubwindowsType = CreateNewResourceType | |||
559 | (FreeCompositeClientSubwindows, "CompositeClientSubwindows"); | |||
560 | if (!CompositeClientSubwindowsType) | |||
561 | return; | |||
562 | ||||
563 | CompositeClientOverlayType = CreateNewResourceType | |||
564 | (FreeCompositeClientOverlay, "CompositeClientOverlay"); | |||
565 | if (!CompositeClientOverlayType) | |||
566 | return; | |||
567 | ||||
568 | if (!dixRegisterPrivateKey(&CompositeClientPrivateKeyRec, PRIVATE_CLIENT, | |||
569 | sizeof(CompositeClientRec))) | |||
570 | return; | |||
571 | ||||
572 | for (s = 0; s < screenInfo.numScreens; s++) | |||
573 | if (!compScreenInit(screenInfo.screens[s])) | |||
574 | return; | |||
575 | ||||
576 | extEntry = AddExtension(COMPOSITE_NAME"Composite", 0, 0, | |||
577 | ProcCompositeDispatch, SProcCompositeDispatch, | |||
578 | NULL((void*)0), StandardMinorOpcode); | |||
579 | if (!extEntry) | |||
580 | return; | |||
581 | CompositeReqCode = (CARD8) extEntry->base; | |||
582 | ||||
583 | /* Initialization succeeded */ | |||
584 | noCompositeExtension = FALSE0; | |||
585 | } | |||
586 | ||||
587 | #ifdef PANORAMIX1 | |||
588 | #include "panoramiXsrv.h" | |||
589 | ||||
590 | int (*PanoramiXSaveCompositeVector[CompositeNumberRequests(8 + 1)]) (ClientPtr); | |||
591 | ||||
592 | static int | |||
593 | PanoramiXCompositeRedirectWindow(ClientPtr client) | |||
594 | { | |||
595 | PanoramiXRes *win; | |||
596 | int rc = 0, j; | |||
597 | ||||
598 | REQUEST(xCompositeRedirectWindowReq)xCompositeRedirectWindowReq *stuff = (xCompositeRedirectWindowReq *)client->requestBuffer; | |||
599 | ||||
600 | REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq)if ((sizeof(xCompositeRedirectWindowReq) >> 2) != client ->req_len) return(16); | |||
601 | ||||
602 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
603 | client, DixUnknownAccess0))) { | |||
604 | client->errorValue = stuff->window; | |||
605 | return rc; | |||
606 | } | |||
607 | ||||
608 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
609 | stuff->window = win->info[j].id; | |||
610 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
611 | if (rc != Success0) | |||
612 | break; | |||
613 | } | |||
614 | ||||
615 | return rc; | |||
616 | } | |||
617 | ||||
618 | static int | |||
619 | PanoramiXCompositeRedirectSubwindows(ClientPtr client) | |||
620 | { | |||
621 | PanoramiXRes *win; | |||
622 | int rc = 0, j; | |||
623 | ||||
624 | REQUEST(xCompositeRedirectSubwindowsReq)xCompositeRedirectSubwindowsReq *stuff = (xCompositeRedirectSubwindowsReq *)client->requestBuffer; | |||
625 | ||||
626 | REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq)if ((sizeof(xCompositeRedirectSubwindowsReq) >> 2) != client ->req_len) return(16); | |||
627 | ||||
628 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
629 | client, DixUnknownAccess0))) { | |||
630 | client->errorValue = stuff->window; | |||
631 | return rc; | |||
632 | } | |||
633 | ||||
634 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
635 | stuff->window = win->info[j].id; | |||
636 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
637 | if (rc != Success0) | |||
638 | break; | |||
639 | } | |||
640 | ||||
641 | return rc; | |||
642 | } | |||
643 | ||||
644 | static int | |||
645 | PanoramiXCompositeUnredirectWindow(ClientPtr client) | |||
646 | { | |||
647 | PanoramiXRes *win; | |||
648 | int rc = 0, j; | |||
649 | ||||
650 | REQUEST(xCompositeUnredirectWindowReq)xCompositeUnredirectWindowReq *stuff = (xCompositeUnredirectWindowReq *)client->requestBuffer; | |||
651 | ||||
652 | REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq)if ((sizeof(xCompositeUnredirectWindowReq) >> 2) != client ->req_len) return(16); | |||
653 | ||||
654 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
655 | client, DixUnknownAccess0))) { | |||
656 | client->errorValue = stuff->window; | |||
657 | return rc; | |||
658 | } | |||
659 | ||||
660 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
661 | stuff->window = win->info[j].id; | |||
662 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
663 | if (rc != Success0) | |||
664 | break; | |||
665 | } | |||
666 | ||||
667 | return rc; | |||
668 | } | |||
669 | ||||
670 | static int | |||
671 | PanoramiXCompositeUnredirectSubwindows(ClientPtr client) | |||
672 | { | |||
673 | PanoramiXRes *win; | |||
674 | int rc = 0, j; | |||
675 | ||||
676 | REQUEST(xCompositeUnredirectSubwindowsReq)xCompositeUnredirectSubwindowsReq *stuff = (xCompositeUnredirectSubwindowsReq *)client->requestBuffer; | |||
677 | ||||
678 | REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq)if ((sizeof(xCompositeUnredirectSubwindowsReq) >> 2) != client->req_len) return(16); | |||
679 | ||||
680 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
681 | client, DixUnknownAccess0))) { | |||
682 | client->errorValue = stuff->window; | |||
683 | return rc; | |||
684 | } | |||
685 | ||||
686 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
687 | stuff->window = win->info[j].id; | |||
688 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
689 | if (rc != Success0) | |||
690 | break; | |||
691 | } | |||
692 | ||||
693 | return rc; | |||
694 | } | |||
695 | ||||
696 | static int | |||
697 | PanoramiXCompositeNameWindowPixmap(ClientPtr client) | |||
698 | { | |||
699 | WindowPtr pWin; | |||
700 | CompWindowPtr cw; | |||
701 | PixmapPtr pPixmap; | |||
702 | int rc; | |||
703 | PanoramiXRes *win, *newPix; | |||
704 | int i; | |||
705 | ||||
706 | REQUEST(xCompositeNameWindowPixmapReq)xCompositeNameWindowPixmapReq *stuff = (xCompositeNameWindowPixmapReq *)client->requestBuffer; | |||
707 | ||||
708 | REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq)if ((sizeof(xCompositeNameWindowPixmapReq) >> 2) != client ->req_len) return(16); | |||
709 | ||||
710 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
711 | client, DixUnknownAccess0))) { | |||
712 | client->errorValue = stuff->window; | |||
713 | return rc; | |||
714 | } | |||
715 | ||||
716 | LEGAL_NEW_RESOURCE(stuff->pixmap, client)if (!LegalNewID(stuff->pixmap,client)) { client->errorValue = stuff->pixmap; return 14; }; | |||
717 | ||||
718 | if (!(newPix = malloc(sizeof(PanoramiXRes)))) | |||
719 | return BadAlloc11; | |||
720 | ||||
721 | newPix->type = XRT_PIXMAP; | |||
722 | newPix->u.pix.shared = FALSE0; | |||
723 | panoramix_setup_ids(newPix, client, stuff->pixmap); | |||
724 | ||||
725 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
726 | rc = dixLookupResourceByType((void **) &pWin, win->info[i].id, | |||
727 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), client, DixGetAttrAccess(1<<4)); | |||
728 | if (rc != Success0) { | |||
729 | client->errorValue = stuff->window; | |||
730 | free(newPix); | |||
731 | return rc; | |||
732 | } | |||
733 | ||||
734 | if (!pWin->viewable) { | |||
735 | free(newPix); | |||
736 | return BadMatch8; | |||
737 | } | |||
738 | ||||
739 | cw = GetCompWindow(pWin)((CompWindowPtr) dixLookupPrivate(&(pWin)->devPrivates , (&CompWindowPrivateKeyRec))); | |||
740 | if (!cw) { | |||
741 | free(newPix); | |||
742 | return BadMatch8; | |||
743 | } | |||
744 | ||||
745 | pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); | |||
746 | if (!pPixmap) { | |||
747 | free(newPix); | |||
748 | return BadMatch8; | |||
749 | } | |||
750 | ||||
751 | if (!AddResourceDarwin_X_AddResource(newPix->info[i].id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), (void *) pPixmap)) | |||
752 | return BadAlloc11; | |||
753 | ||||
754 | ++pPixmap->refcnt; | |||
755 | } | |||
756 | ||||
757 | if (!AddResourceDarwin_X_AddResource(stuff->pixmap, XRT_PIXMAP, (void *) newPix)) | |||
758 | return BadAlloc11; | |||
759 | ||||
760 | return Success0; | |||
761 | } | |||
762 | ||||
763 | static int | |||
764 | PanoramiXCompositeGetOverlayWindow(ClientPtr client) | |||
765 | { | |||
766 | REQUEST(xCompositeGetOverlayWindowReq)xCompositeGetOverlayWindowReq *stuff = (xCompositeGetOverlayWindowReq *)client->requestBuffer; | |||
767 | xCompositeGetOverlayWindowReply rep; | |||
768 | WindowPtr pWin; | |||
769 | ScreenPtr pScreen; | |||
770 | CompScreenPtr cs; | |||
771 | CompOverlayClientPtr pOc; | |||
772 | int rc; | |||
773 | PanoramiXRes *win, *overlayWin = NULL((void*)0); | |||
774 | int i; | |||
775 | ||||
776 | REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq)if ((sizeof(xCompositeGetOverlayWindowReq) >> 2) != client ->req_len) return(16); | |||
777 | ||||
778 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| ||||
779 | client, DixUnknownAccess0))) { | |||
780 | client->errorValue = stuff->window; | |||
781 | return rc; | |||
782 | } | |||
783 | ||||
784 | cs = GetCompScreen(screenInfo.screens[0])((CompScreenPtr) dixLookupPrivate(&(screenInfo.screens[0] )->devPrivates, (&CompScreenPrivateKeyRec))); | |||
785 | if (!cs->pOverlayWin) { | |||
786 | if (!(overlayWin = malloc(sizeof(PanoramiXRes)))) | |||
787 | return BadAlloc11; | |||
788 | ||||
789 | overlayWin->type = XRT_WINDOW; | |||
790 | overlayWin->u.win.root = FALSE0; | |||
791 | } | |||
792 | ||||
793 | FOR_NSCREENS_BACKWARD(i)for(i = PanoramiXNumScreens - 1; i >= 0; i--) { | |||
794 | rc = dixLookupResourceByType((void **) &pWin, win->info[i].id, | |||
795 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), client, DixGetAttrAccess(1<<4)); | |||
796 | if (rc != Success0) { | |||
797 | client->errorValue = stuff->window; | |||
798 | free(overlayWin); | |||
799 | return rc; | |||
800 | } | |||
801 | pScreen = pWin->drawable.pScreen; | |||
802 | ||||
803 | /* | |||
804 | * Create an OverlayClient structure to mark this client's | |||
805 | * interest in the overlay window | |||
806 | */ | |||
807 | pOc = compCreateOverlayClient(pScreen, client); | |||
808 | if (pOc == NULL((void*)0)) { | |||
809 | free(overlayWin); | |||
810 | return BadAlloc11; | |||
811 | } | |||
812 | ||||
813 | /* | |||
814 | * Make sure the overlay window exists | |||
815 | */ | |||
816 | cs = GetCompScreen(pScreen)((CompScreenPtr) dixLookupPrivate(&(pScreen)->devPrivates , (&CompScreenPrivateKeyRec))); | |||
817 | if (cs->pOverlayWin == NULL((void*)0)) | |||
818 | if (!compCreateOverlayWindow(pScreen)) { | |||
819 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
820 | free(overlayWin); | |||
821 | return BadAlloc11; | |||
822 | } | |||
823 | ||||
824 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, | |||
825 | cs->pOverlayWin->drawable.id, | |||
| ||||
826 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), cs->pOverlayWin, RT_NONE((RESTYPE)0), NULL((void*)0), | |||
827 | DixGetAttrAccess(1<<4)); | |||
828 | if (rc != Success0) { | |||
829 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
830 | free(overlayWin); | |||
831 | return rc; | |||
832 | } | |||
833 | } | |||
834 | ||||
835 | if (overlayWin) { | |||
836 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
837 | cs = GetCompScreen(screenInfo.screens[i])((CompScreenPtr) dixLookupPrivate(&(screenInfo.screens[i] )->devPrivates, (&CompScreenPrivateKeyRec))); | |||
838 | overlayWin->info[i].id = cs->pOverlayWin->drawable.id; | |||
839 | } | |||
840 | ||||
841 | AddResourceDarwin_X_AddResource(overlayWin->info[0].id, XRT_WINDOW, overlayWin); | |||
842 | } | |||
843 | ||||
844 | cs = GetCompScreen(screenInfo.screens[0])((CompScreenPtr) dixLookupPrivate(&(screenInfo.screens[0] )->devPrivates, (&CompScreenPrivateKeyRec))); | |||
845 | ||||
846 | rep = (xCompositeGetOverlayWindowReply) { | |||
847 | .type = X_Reply1, | |||
848 | .sequenceNumber = client->sequence, | |||
849 | .length = 0, | |||
850 | .overlayWin = cs->pOverlayWin->drawable.id | |||
851 | }; | |||
852 | ||||
853 | if (client->swapped) { | |||
854 | 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); | |||
855 | 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); | |||
856 | swapl(&rep.overlayWin)do { if (sizeof(*(&rep.overlayWin)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.overlayWin) & 3) && ((uintptr_t)(&rep.overlayWin) & 3) == 0 ) *(&rep.overlayWin) = lswapl(*(&rep.overlayWin)); else swap_uint32((uint32_t *)(&rep.overlayWin)); } while (0); | |||
857 | } | |||
858 | WriteToClient(client, sz_xCompositeGetOverlayWindowReplysizeof(xCompositeGetOverlayWindowReply), &rep); | |||
859 | ||||
860 | return Success0; | |||
861 | } | |||
862 | ||||
863 | static int | |||
864 | PanoramiXCompositeReleaseOverlayWindow(ClientPtr client) | |||
865 | { | |||
866 | REQUEST(xCompositeReleaseOverlayWindowReq)xCompositeReleaseOverlayWindowReq *stuff = (xCompositeReleaseOverlayWindowReq *)client->requestBuffer; | |||
867 | WindowPtr pWin; | |||
868 | CompOverlayClientPtr pOc; | |||
869 | PanoramiXRes *win; | |||
870 | int i, rc; | |||
871 | ||||
872 | REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq)if ((sizeof(xCompositeReleaseOverlayWindowReq) >> 2) != client->req_len) return(16); | |||
873 | ||||
874 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
875 | client, DixUnknownAccess0))) { | |||
876 | client->errorValue = stuff->window; | |||
877 | return rc; | |||
878 | } | |||
879 | ||||
880 | FOR_NSCREENS_BACKWARD(i)for(i = PanoramiXNumScreens - 1; i >= 0; i--) { | |||
881 | if ((rc = dixLookupResourceByType((void **) &pWin, win->info[i].id, | |||
882 | XRT_WINDOW, client, | |||
883 | DixUnknownAccess0))) { | |||
884 | client->errorValue = stuff->window; | |||
885 | return rc; | |||
886 | } | |||
887 | ||||
888 | /* | |||
889 | * Has client queried a reference to the overlay window | |||
890 | * on this screen? If not, generate an error. | |||
891 | */ | |||
892 | pOc = compFindOverlayClient(pWin->drawable.pScreen, client); | |||
893 | if (pOc == NULL((void*)0)) | |||
894 | return BadMatch8; | |||
895 | ||||
896 | /* The delete function will free the client structure */ | |||
897 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
898 | } | |||
899 | ||||
900 | return Success0; | |||
901 | } | |||
902 | ||||
903 | void | |||
904 | PanoramiXCompositeInit(void) | |||
905 | { | |||
906 | int i; | |||
907 | ||||
908 | for (i = 0; i < CompositeNumberRequests(8 + 1); i++) | |||
909 | PanoramiXSaveCompositeVector[i] = ProcCompositeVector[i]; | |||
910 | /* | |||
911 | * Stuff in Xinerama aware request processing hooks | |||
912 | */ | |||
913 | ProcCompositeVector[X_CompositeRedirectWindow1] = | |||
914 | PanoramiXCompositeRedirectWindow; | |||
915 | ProcCompositeVector[X_CompositeRedirectSubwindows2] = | |||
916 | PanoramiXCompositeRedirectSubwindows; | |||
917 | ProcCompositeVector[X_CompositeUnredirectWindow3] = | |||
918 | PanoramiXCompositeUnredirectWindow; | |||
919 | ProcCompositeVector[X_CompositeUnredirectSubwindows4] = | |||
920 | PanoramiXCompositeUnredirectSubwindows; | |||
921 | ProcCompositeVector[X_CompositeNameWindowPixmap6] = | |||
922 | PanoramiXCompositeNameWindowPixmap; | |||
923 | ProcCompositeVector[X_CompositeGetOverlayWindow7] = | |||
924 | PanoramiXCompositeGetOverlayWindow; | |||
925 | ProcCompositeVector[X_CompositeReleaseOverlayWindow8] = | |||
926 | PanoramiXCompositeReleaseOverlayWindow; | |||
927 | } | |||
928 | ||||
929 | void | |||
930 | PanoramiXCompositeReset(void) | |||
931 | { | |||
932 | int i; | |||
933 | ||||
934 | for (i = 0; i < CompositeNumberRequests(8 + 1); i++) | |||
935 | ProcCompositeVector[i] = PanoramiXSaveCompositeVector[i]; | |||
936 | } | |||
937 | ||||
938 | #endif |