| File: | composite/compext.c |
| Location: | line 839, 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 void | |||
| 70 | CompositeClientCallback(CallbackListPtr *list, void *closure, void *data) | |||
| 71 | { | |||
| 72 | NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; | |||
| 73 | ClientPtr pClient = clientinfo->client; | |||
| 74 | CompositeClientPtr pCompositeClient = GetCompositeClient(pClient)((CompositeClientPtr) dixLookupPrivate(&(pClient)->devPrivates , (&CompositeClientPrivateKeyRec))); | |||
| 75 | ||||
| 76 | pCompositeClient->major_version = 0; | |||
| 77 | pCompositeClient->minor_version = 0; | |||
| 78 | } | |||
| 79 | ||||
| 80 | static int | |||
| 81 | FreeCompositeClientWindow(void *value, XID ccwid) | |||
| 82 | { | |||
| 83 | WindowPtr pWin = value; | |||
| 84 | ||||
| 85 | compFreeClientWindow(pWin, ccwid); | |||
| 86 | return Success0; | |||
| 87 | } | |||
| 88 | ||||
| 89 | static int | |||
| 90 | FreeCompositeClientSubwindows(void *value, XID ccwid) | |||
| 91 | { | |||
| 92 | WindowPtr pWin = value; | |||
| 93 | ||||
| 94 | compFreeClientSubwindows(pWin, ccwid); | |||
| 95 | return Success0; | |||
| 96 | } | |||
| 97 | ||||
| 98 | static int | |||
| 99 | FreeCompositeClientOverlay(void *value, XID ccwid) | |||
| 100 | { | |||
| 101 | CompOverlayClientPtr pOc = (CompOverlayClientPtr) value; | |||
| 102 | ||||
| 103 | compFreeOverlayClient(pOc); | |||
| 104 | return Success0; | |||
| 105 | } | |||
| 106 | ||||
| 107 | static int | |||
| 108 | ProcCompositeQueryVersion(ClientPtr client) | |||
| 109 | { | |||
| 110 | CompositeClientPtr pCompositeClient = GetCompositeClient(client)((CompositeClientPtr) dixLookupPrivate(&(client)->devPrivates , (&CompositeClientPrivateKeyRec))); | |||
| 111 | xCompositeQueryVersionReply rep = { | |||
| 112 | .type = X_Reply1, | |||
| 113 | .sequenceNumber = client->sequence, | |||
| 114 | .length = 0 | |||
| 115 | }; | |||
| 116 | ||||
| 117 | REQUEST(xCompositeQueryVersionReq)xCompositeQueryVersionReq *stuff = (xCompositeQueryVersionReq *)client->requestBuffer; | |||
| 118 | ||||
| 119 | REQUEST_SIZE_MATCH(xCompositeQueryVersionReq)if ((sizeof(xCompositeQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
| 120 | if (stuff->majorVersion < SERVER_COMPOSITE_MAJOR_VERSION0) { | |||
| 121 | rep.majorVersion = stuff->majorVersion; | |||
| 122 | rep.minorVersion = stuff->minorVersion; | |||
| 123 | } | |||
| 124 | else { | |||
| 125 | rep.majorVersion = SERVER_COMPOSITE_MAJOR_VERSION0; | |||
| 126 | rep.minorVersion = SERVER_COMPOSITE_MINOR_VERSION4; | |||
| 127 | } | |||
| 128 | pCompositeClient->major_version = rep.majorVersion; | |||
| 129 | pCompositeClient->minor_version = rep.minorVersion; | |||
| 130 | if (client->swapped) { | |||
| 131 | 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); | |||
| 132 | 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); | |||
| 133 | 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); | |||
| 134 | 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); | |||
| 135 | } | |||
| 136 | WriteToClient(client, sizeof(xCompositeQueryVersionReply), &rep); | |||
| 137 | return Success0; | |||
| 138 | } | |||
| 139 | ||||
| 140 | #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) \ | |||
| 141 | do { \ | |||
| 142 | int err; \ | |||
| 143 | err = dixLookupResourceByType((void **) &pWindow, wid, \ | |||
| 144 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), client, mode); \ | |||
| 145 | if (err != Success0) { \ | |||
| 146 | client->errorValue = wid; \ | |||
| 147 | return err; \ | |||
| 148 | } \ | |||
| 149 | } while (0) | |||
| 150 | ||||
| 151 | static int | |||
| 152 | ProcCompositeRedirectWindow(ClientPtr client) | |||
| 153 | { | |||
| 154 | WindowPtr pWin; | |||
| 155 | ||||
| 156 | REQUEST(xCompositeRedirectWindowReq)xCompositeRedirectWindowReq *stuff = (xCompositeRedirectWindowReq *)client->requestBuffer; | |||
| 157 | ||||
| 158 | REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq)if ((sizeof(xCompositeRedirectWindowReq) >> 2) != client ->req_len) return(16); | |||
| 159 | 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) | |||
| 160 | 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); | |||
| 161 | ||||
| 162 | return compRedirectWindow(client, pWin, stuff->update); | |||
| 163 | } | |||
| 164 | ||||
| 165 | static int | |||
| 166 | ProcCompositeRedirectSubwindows(ClientPtr client) | |||
| 167 | { | |||
| 168 | WindowPtr pWin; | |||
| 169 | ||||
| 170 | REQUEST(xCompositeRedirectSubwindowsReq)xCompositeRedirectSubwindowsReq *stuff = (xCompositeRedirectSubwindowsReq *)client->requestBuffer; | |||
| 171 | ||||
| 172 | REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq)if ((sizeof(xCompositeRedirectSubwindowsReq) >> 2) != client ->req_len) return(16); | |||
| 173 | 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) | |||
| 174 | 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); | |||
| 175 | ||||
| 176 | return compRedirectSubwindows(client, pWin, stuff->update); | |||
| 177 | } | |||
| 178 | ||||
| 179 | static int | |||
| 180 | ProcCompositeUnredirectWindow(ClientPtr client) | |||
| 181 | { | |||
| 182 | WindowPtr pWin; | |||
| 183 | ||||
| 184 | REQUEST(xCompositeUnredirectWindowReq)xCompositeUnredirectWindowReq *stuff = (xCompositeUnredirectWindowReq *)client->requestBuffer; | |||
| 185 | ||||
| 186 | REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq)if ((sizeof(xCompositeUnredirectWindowReq) >> 2) != client ->req_len) return(16); | |||
| 187 | 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) | |||
| 188 | 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); | |||
| 189 | ||||
| 190 | return compUnredirectWindow(client, pWin, stuff->update); | |||
| 191 | } | |||
| 192 | ||||
| 193 | static int | |||
| 194 | ProcCompositeUnredirectSubwindows(ClientPtr client) | |||
| 195 | { | |||
| 196 | WindowPtr pWin; | |||
| 197 | ||||
| 198 | REQUEST(xCompositeUnredirectSubwindowsReq)xCompositeUnredirectSubwindowsReq *stuff = (xCompositeUnredirectSubwindowsReq *)client->requestBuffer; | |||
| 199 | ||||
| 200 | REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq)if ((sizeof(xCompositeUnredirectSubwindowsReq) >> 2) != client->req_len) return(16); | |||
| 201 | 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) | |||
| 202 | 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); | |||
| 203 | ||||
| 204 | return compUnredirectSubwindows(client, pWin, stuff->update); | |||
| 205 | } | |||
| 206 | ||||
| 207 | static int | |||
| 208 | ProcCompositeCreateRegionFromBorderClip(ClientPtr client) | |||
| 209 | { | |||
| 210 | WindowPtr pWin; | |||
| 211 | CompWindowPtr cw; | |||
| 212 | RegionPtr pBorderClip, pRegion; | |||
| 213 | ||||
| 214 | REQUEST(xCompositeCreateRegionFromBorderClipReq)xCompositeCreateRegionFromBorderClipReq *stuff = (xCompositeCreateRegionFromBorderClipReq *)client->requestBuffer; | |||
| 215 | ||||
| 216 | REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq)if ((sizeof(xCompositeCreateRegionFromBorderClipReq) >> 2) != client->req_len) return(16); | |||
| 217 | 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); | |||
| 218 | LEGAL_NEW_RESOURCE(stuff->region, client)if (!LegalNewID(stuff->region,client)) { client->errorValue = stuff->region; return 14; }; | |||
| 219 | ||||
| 220 | cw = GetCompWindow(pWin)((CompWindowPtr) dixLookupPrivate(&(pWin)->devPrivates , (&CompWindowPrivateKeyRec))); | |||
| 221 | if (cw) | |||
| 222 | pBorderClip = &cw->borderClip; | |||
| 223 | else | |||
| 224 | pBorderClip = &pWin->borderClip; | |||
| 225 | pRegion = XFixesRegionCopy(pBorderClip); | |||
| 226 | if (!pRegion) | |||
| 227 | return BadAlloc11; | |||
| 228 | RegionTranslate(pRegion, -pWin->drawable.x, -pWin->drawable.y); | |||
| 229 | ||||
| 230 | if (!AddResourceDarwin_X_AddResource(stuff->region, RegionResType, (void *) pRegion)) | |||
| 231 | return BadAlloc11; | |||
| 232 | ||||
| 233 | return Success0; | |||
| 234 | } | |||
| 235 | ||||
| 236 | static int | |||
| 237 | ProcCompositeNameWindowPixmap(ClientPtr client) | |||
| 238 | { | |||
| 239 | WindowPtr pWin; | |||
| 240 | CompWindowPtr cw; | |||
| 241 | PixmapPtr pPixmap; | |||
| 242 | ScreenPtr pScreen; | |||
| 243 | int rc; | |||
| 244 | ||||
| 245 | REQUEST(xCompositeNameWindowPixmapReq)xCompositeNameWindowPixmapReq *stuff = (xCompositeNameWindowPixmapReq *)client->requestBuffer; | |||
| 246 | ||||
| 247 | REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq)if ((sizeof(xCompositeNameWindowPixmapReq) >> 2) != client ->req_len) return(16); | |||
| 248 | 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); | |||
| 249 | ||||
| 250 | pScreen = pWin->drawable.pScreen; | |||
| 251 | ||||
| 252 | if (!pWin->viewable) | |||
| 253 | return BadMatch8; | |||
| 254 | ||||
| 255 | LEGAL_NEW_RESOURCE(stuff->pixmap, client)if (!LegalNewID(stuff->pixmap,client)) { client->errorValue = stuff->pixmap; return 14; }; | |||
| 256 | ||||
| 257 | cw = GetCompWindow(pWin)((CompWindowPtr) dixLookupPrivate(&(pWin)->devPrivates , (&CompWindowPrivateKeyRec))); | |||
| 258 | if (!cw) | |||
| 259 | return BadMatch8; | |||
| 260 | ||||
| 261 | pPixmap = (*pScreen->GetWindowPixmap) (pWin); | |||
| 262 | if (!pPixmap) | |||
| 263 | return BadMatch8; | |||
| 264 | ||||
| 265 | /* security creation/labeling check */ | |||
| 266 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, stuff->pixmap, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), | |||
| 267 | pPixmap, RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), pWin, DixCreateAccess(1<<3)); | |||
| 268 | if (rc != Success0) | |||
| 269 | return rc; | |||
| 270 | ||||
| 271 | ++pPixmap->refcnt; | |||
| 272 | ||||
| 273 | if (!AddResourceDarwin_X_AddResource(stuff->pixmap, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), (void *) pPixmap)) | |||
| 274 | return BadAlloc11; | |||
| 275 | ||||
| 276 | if (pScreen->NameWindowPixmap) { | |||
| 277 | rc = pScreen->NameWindowPixmap(pWin, pPixmap, stuff->pixmap); | |||
| 278 | if (rc != Success0) { | |||
| 279 | FreeResource(stuff->pixmap, RT_NONE((RESTYPE)0)); | |||
| 280 | return rc; | |||
| 281 | } | |||
| 282 | } | |||
| 283 | ||||
| 284 | return Success0; | |||
| 285 | } | |||
| 286 | ||||
| 287 | static int | |||
| 288 | ProcCompositeGetOverlayWindow(ClientPtr client) | |||
| 289 | { | |||
| 290 | REQUEST(xCompositeGetOverlayWindowReq)xCompositeGetOverlayWindowReq *stuff = (xCompositeGetOverlayWindowReq *)client->requestBuffer; | |||
| 291 | xCompositeGetOverlayWindowReply rep; | |||
| 292 | WindowPtr pWin; | |||
| 293 | ScreenPtr pScreen; | |||
| 294 | CompScreenPtr cs; | |||
| 295 | CompOverlayClientPtr pOc; | |||
| 296 | int rc; | |||
| 297 | ||||
| 298 | REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq)if ((sizeof(xCompositeGetOverlayWindowReq) >> 2) != client ->req_len) return(16); | |||
| 299 | 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); | |||
| 300 | pScreen = pWin->drawable.pScreen; | |||
| 301 | ||||
| 302 | /* | |||
| 303 | * Create an OverlayClient structure to mark this client's | |||
| 304 | * interest in the overlay window | |||
| 305 | */ | |||
| 306 | pOc = compCreateOverlayClient(pScreen, client); | |||
| 307 | if (pOc == NULL((void*)0)) | |||
| 308 | return BadAlloc11; | |||
| 309 | ||||
| 310 | /* | |||
| 311 | * Make sure the overlay window exists | |||
| 312 | */ | |||
| 313 | cs = GetCompScreen(pScreen)((CompScreenPtr) dixLookupPrivate(&(pScreen)->devPrivates , (&CompScreenPrivateKeyRec))); | |||
| 314 | if (cs->pOverlayWin == NULL((void*)0)) | |||
| 315 | if (!compCreateOverlayWindow(pScreen)) { | |||
| 316 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
| 317 | return BadAlloc11; | |||
| 318 | } | |||
| 319 | ||||
| 320 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, cs->pOverlayWin->drawable.id, | |||
| 321 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), cs->pOverlayWin, RT_NONE((RESTYPE)0), NULL((void*)0), DixGetAttrAccess(1<<4)); | |||
| 322 | if (rc != Success0) { | |||
| 323 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
| 324 | return rc; | |||
| 325 | } | |||
| 326 | ||||
| 327 | rep = (xCompositeGetOverlayWindowReply) { | |||
| 328 | .type = X_Reply1, | |||
| 329 | .sequenceNumber = client->sequence, | |||
| 330 | .length = 0, | |||
| 331 | .overlayWin = cs->pOverlayWin->drawable.id | |||
| 332 | }; | |||
| 333 | ||||
| 334 | if (client->swapped) { | |||
| 335 | 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); | |||
| 336 | 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); | |||
| 337 | 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); | |||
| 338 | } | |||
| 339 | WriteToClient(client, sz_xCompositeGetOverlayWindowReplysizeof(xCompositeGetOverlayWindowReply), &rep); | |||
| 340 | ||||
| 341 | return Success0; | |||
| 342 | } | |||
| 343 | ||||
| 344 | static int | |||
| 345 | ProcCompositeReleaseOverlayWindow(ClientPtr client) | |||
| 346 | { | |||
| 347 | REQUEST(xCompositeReleaseOverlayWindowReq)xCompositeReleaseOverlayWindowReq *stuff = (xCompositeReleaseOverlayWindowReq *)client->requestBuffer; | |||
| 348 | WindowPtr pWin; | |||
| 349 | CompOverlayClientPtr pOc; | |||
| 350 | ||||
| 351 | REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq)if ((sizeof(xCompositeReleaseOverlayWindowReq) >> 2) != client->req_len) return(16); | |||
| 352 | 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); | |||
| 353 | ||||
| 354 | /* | |||
| 355 | * Has client queried a reference to the overlay window | |||
| 356 | * on this screen? If not, generate an error. | |||
| 357 | */ | |||
| 358 | pOc = compFindOverlayClient(pWin->drawable.pScreen, client); | |||
| 359 | if (pOc == NULL((void*)0)) | |||
| 360 | return BadMatch8; | |||
| 361 | ||||
| 362 | /* The delete function will free the client structure */ | |||
| 363 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
| 364 | ||||
| 365 | return Success0; | |||
| 366 | } | |||
| 367 | ||||
| 368 | static int (*ProcCompositeVector[CompositeNumberRequests(8 + 1)]) (ClientPtr) = { | |||
| 369 | ProcCompositeQueryVersion, | |||
| 370 | ProcCompositeRedirectWindow, | |||
| 371 | ProcCompositeRedirectSubwindows, | |||
| 372 | ProcCompositeUnredirectWindow, | |||
| 373 | ProcCompositeUnredirectSubwindows, | |||
| 374 | ProcCompositeCreateRegionFromBorderClip, | |||
| 375 | ProcCompositeNameWindowPixmap, | |||
| 376 | ProcCompositeGetOverlayWindow, ProcCompositeReleaseOverlayWindow,}; | |||
| 377 | ||||
| 378 | static int | |||
| 379 | ProcCompositeDispatch(ClientPtr client) | |||
| 380 | { | |||
| 381 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 382 | ||||
| 383 | if (stuff->data < CompositeNumberRequests(8 + 1)) | |||
| 384 | return (*ProcCompositeVector[stuff->data]) (client); | |||
| 385 | else | |||
| 386 | return BadRequest1; | |||
| 387 | } | |||
| 388 | ||||
| 389 | static int | |||
| 390 | SProcCompositeQueryVersion(ClientPtr client) | |||
| 391 | { | |||
| 392 | REQUEST(xCompositeQueryVersionReq)xCompositeQueryVersionReq *stuff = (xCompositeQueryVersionReq *)client->requestBuffer; | |||
| 393 | ||||
| 394 | 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); | |||
| 395 | REQUEST_SIZE_MATCH(xCompositeQueryVersionReq)if ((sizeof(xCompositeQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
| 396 | 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); | |||
| 397 | 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); | |||
| 398 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
| 399 | } | |||
| 400 | ||||
| 401 | static int | |||
| 402 | SProcCompositeRedirectWindow(ClientPtr client) | |||
| 403 | { | |||
| 404 | REQUEST(xCompositeRedirectWindowReq)xCompositeRedirectWindowReq *stuff = (xCompositeRedirectWindowReq *)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(xCompositeRedirectWindowReq)if ((sizeof(xCompositeRedirectWindowReq) >> 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 | SProcCompositeRedirectSubwindows(ClientPtr client) | |||
| 414 | { | |||
| 415 | REQUEST(xCompositeRedirectSubwindowsReq)xCompositeRedirectSubwindowsReq *stuff = (xCompositeRedirectSubwindowsReq *)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(xCompositeRedirectSubwindowsReq)if ((sizeof(xCompositeRedirectSubwindowsReq) >> 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 | SProcCompositeUnredirectWindow(ClientPtr client) | |||
| 425 | { | |||
| 426 | REQUEST(xCompositeUnredirectWindowReq)xCompositeUnredirectWindowReq *stuff = (xCompositeUnredirectWindowReq *)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(xCompositeUnredirectWindowReq)if ((sizeof(xCompositeUnredirectWindowReq) >> 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 | SProcCompositeUnredirectSubwindows(ClientPtr client) | |||
| 436 | { | |||
| 437 | REQUEST(xCompositeUnredirectSubwindowsReq)xCompositeUnredirectSubwindowsReq *stuff = (xCompositeUnredirectSubwindowsReq *)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(xCompositeUnredirectSubwindowsReq)if ((sizeof(xCompositeUnredirectSubwindowsReq) >> 2) != client->req_len) return(16); | |||
| 441 | 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); | |||
| 442 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
| 443 | } | |||
| 444 | ||||
| 445 | static int | |||
| 446 | SProcCompositeCreateRegionFromBorderClip(ClientPtr client) | |||
| 447 | { | |||
| 448 | REQUEST(xCompositeCreateRegionFromBorderClipReq)xCompositeCreateRegionFromBorderClipReq *stuff = (xCompositeCreateRegionFromBorderClipReq *)client->requestBuffer; | |||
| 449 | ||||
| 450 | 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); | |||
| 451 | REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq)if ((sizeof(xCompositeCreateRegionFromBorderClipReq) >> 2) != client->req_len) return(16); | |||
| 452 | 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); | |||
| 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 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
| 455 | } | |||
| 456 | ||||
| 457 | static int | |||
| 458 | SProcCompositeNameWindowPixmap(ClientPtr client) | |||
| 459 | { | |||
| 460 | REQUEST(xCompositeNameWindowPixmapReq)xCompositeNameWindowPixmapReq *stuff = (xCompositeNameWindowPixmapReq *)client->requestBuffer; | |||
| 461 | ||||
| 462 | 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); | |||
| 463 | REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq)if ((sizeof(xCompositeNameWindowPixmapReq) >> 2) != client ->req_len) return(16); | |||
| 464 | 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); | |||
| 465 | 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); | |||
| 466 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
| 467 | } | |||
| 468 | ||||
| 469 | static int | |||
| 470 | SProcCompositeGetOverlayWindow(ClientPtr client) | |||
| 471 | { | |||
| 472 | REQUEST(xCompositeGetOverlayWindowReq)xCompositeGetOverlayWindowReq *stuff = (xCompositeGetOverlayWindowReq *)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(xCompositeGetOverlayWindowReq)if ((sizeof(xCompositeGetOverlayWindowReq) >> 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 | |||
| 481 | SProcCompositeReleaseOverlayWindow(ClientPtr client) | |||
| 482 | { | |||
| 483 | REQUEST(xCompositeReleaseOverlayWindowReq)xCompositeReleaseOverlayWindowReq *stuff = (xCompositeReleaseOverlayWindowReq *)client->requestBuffer; | |||
| 484 | ||||
| 485 | 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); | |||
| 486 | REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq)if ((sizeof(xCompositeReleaseOverlayWindowReq) >> 2) != client->req_len) return(16); | |||
| 487 | 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); | |||
| 488 | return (*ProcCompositeVector[stuff->compositeReqType]) (client); | |||
| 489 | } | |||
| 490 | ||||
| 491 | static int (*SProcCompositeVector[CompositeNumberRequests(8 + 1)]) (ClientPtr) = { | |||
| 492 | SProcCompositeQueryVersion, | |||
| 493 | SProcCompositeRedirectWindow, | |||
| 494 | SProcCompositeRedirectSubwindows, | |||
| 495 | SProcCompositeUnredirectWindow, | |||
| 496 | SProcCompositeUnredirectSubwindows, | |||
| 497 | SProcCompositeCreateRegionFromBorderClip, | |||
| 498 | SProcCompositeNameWindowPixmap, | |||
| 499 | SProcCompositeGetOverlayWindow, SProcCompositeReleaseOverlayWindow,}; | |||
| 500 | ||||
| 501 | static int | |||
| 502 | SProcCompositeDispatch(ClientPtr client) | |||
| 503 | { | |||
| 504 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 505 | ||||
| 506 | if (stuff->data < CompositeNumberRequests(8 + 1)) | |||
| 507 | return (*SProcCompositeVector[stuff->data]) (client); | |||
| 508 | else | |||
| 509 | return BadRequest1; | |||
| 510 | } | |||
| 511 | ||||
| 512 | /** @see GetDefaultBytes */ | |||
| 513 | static void | |||
| 514 | GetCompositeClientWindowBytes(void *value, XID id, ResourceSizePtr size) | |||
| 515 | { | |||
| 516 | WindowPtr window = value; | |||
| 517 | ||||
| 518 | /* Currently only pixmap bytes are reported to clients. */ | |||
| 519 | size->resourceSize = 0; | |||
| 520 | ||||
| 521 | /* Calculate pixmap reference sizes. */ | |||
| 522 | size->pixmapRefSize = 0; | |||
| 523 | if (window->redirectDraw != RedirectDrawNone0) | |||
| 524 | { | |||
| 525 | SizeType pixmapSizeFunc = GetResourceTypeSizeFunc(RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30))); | |||
| 526 | ResourceSizeRec pixmapSize = { 0, 0 }; | |||
| 527 | ScreenPtr screen = window->drawable.pScreen; | |||
| 528 | PixmapPtr pixmap = screen->GetWindowPixmap(window); | |||
| 529 | pixmapSizeFunc(pixmap, pixmap->drawable.id, &pixmapSize); | |||
| 530 | size->pixmapRefSize += pixmapSize.pixmapRefSize; | |||
| 531 | } | |||
| 532 | } | |||
| 533 | ||||
| 534 | void | |||
| 535 | CompositeExtensionInit(void) | |||
| 536 | { | |||
| 537 | ExtensionEntry *extEntry; | |||
| 538 | int s; | |||
| 539 | ||||
| 540 | /* Assume initialization is going to fail */ | |||
| 541 | noCompositeExtension = TRUE1; | |||
| 542 | ||||
| 543 | for (s = 0; s < screenInfo.numScreens; s++) { | |||
| 544 | ScreenPtr pScreen = screenInfo.screens[s]; | |||
| 545 | VisualPtr vis; | |||
| 546 | ||||
| 547 | /* Composite on 8bpp pseudocolor root windows appears to fail, so | |||
| 548 | * just disable it on anything pseudocolor for safety. | |||
| 549 | */ | |||
| 550 | for (vis = pScreen->visuals; vis->vid != pScreen->rootVisual; vis++); | |||
| 551 | if ((vis->class | DynamicClass1) == PseudoColor3) | |||
| 552 | return; | |||
| 553 | ||||
| 554 | /* Ensure that Render is initialized, which is required for automatic | |||
| 555 | * compositing. | |||
| 556 | */ | |||
| 557 | if (GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)) == NULL((void*)0)) | |||
| 558 | return; | |||
| 559 | } | |||
| 560 | ||||
| 561 | CompositeClientWindowType = CreateNewResourceType | |||
| 562 | (FreeCompositeClientWindow, "CompositeClientWindow"); | |||
| 563 | if (!CompositeClientWindowType) | |||
| 564 | return; | |||
| 565 | ||||
| 566 | SetResourceTypeSizeFunc(CompositeClientWindowType, | |||
| 567 | GetCompositeClientWindowBytes); | |||
| 568 | ||||
| 569 | CompositeClientSubwindowsType = CreateNewResourceType | |||
| 570 | (FreeCompositeClientSubwindows, "CompositeClientSubwindows"); | |||
| 571 | if (!CompositeClientSubwindowsType) | |||
| 572 | return; | |||
| 573 | ||||
| 574 | CompositeClientOverlayType = CreateNewResourceType | |||
| 575 | (FreeCompositeClientOverlay, "CompositeClientOverlay"); | |||
| 576 | if (!CompositeClientOverlayType) | |||
| 577 | return; | |||
| 578 | ||||
| 579 | if (!dixRegisterPrivateKey(&CompositeClientPrivateKeyRec, PRIVATE_CLIENT, | |||
| 580 | sizeof(CompositeClientRec))) | |||
| 581 | return; | |||
| 582 | ||||
| 583 | if (!AddCallback(&ClientStateCallback, CompositeClientCallback, 0)) | |||
| 584 | return; | |||
| 585 | ||||
| 586 | for (s = 0; s < screenInfo.numScreens; s++) | |||
| 587 | if (!compScreenInit(screenInfo.screens[s])) | |||
| 588 | return; | |||
| 589 | ||||
| 590 | extEntry = AddExtension(COMPOSITE_NAME"Composite", 0, 0, | |||
| 591 | ProcCompositeDispatch, SProcCompositeDispatch, | |||
| 592 | NULL((void*)0), StandardMinorOpcode); | |||
| 593 | if (!extEntry) | |||
| 594 | return; | |||
| 595 | CompositeReqCode = (CARD8) extEntry->base; | |||
| 596 | ||||
| 597 | /* Initialization succeeded */ | |||
| 598 | noCompositeExtension = FALSE0; | |||
| 599 | } | |||
| 600 | ||||
| 601 | #ifdef PANORAMIX1 | |||
| 602 | #include "panoramiXsrv.h" | |||
| 603 | ||||
| 604 | int (*PanoramiXSaveCompositeVector[CompositeNumberRequests(8 + 1)]) (ClientPtr); | |||
| 605 | ||||
| 606 | static int | |||
| 607 | PanoramiXCompositeRedirectWindow(ClientPtr client) | |||
| 608 | { | |||
| 609 | PanoramiXRes *win; | |||
| 610 | int rc = 0, j; | |||
| 611 | ||||
| 612 | REQUEST(xCompositeRedirectWindowReq)xCompositeRedirectWindowReq *stuff = (xCompositeRedirectWindowReq *)client->requestBuffer; | |||
| 613 | ||||
| 614 | REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq)if ((sizeof(xCompositeRedirectWindowReq) >> 2) != client ->req_len) return(16); | |||
| 615 | ||||
| 616 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| 617 | client, DixUnknownAccess0))) { | |||
| 618 | client->errorValue = stuff->window; | |||
| 619 | return rc; | |||
| 620 | } | |||
| 621 | ||||
| 622 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
| 623 | stuff->window = win->info[j].id; | |||
| 624 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
| 625 | if (rc != Success0) | |||
| 626 | break; | |||
| 627 | } | |||
| 628 | ||||
| 629 | return rc; | |||
| 630 | } | |||
| 631 | ||||
| 632 | static int | |||
| 633 | PanoramiXCompositeRedirectSubwindows(ClientPtr client) | |||
| 634 | { | |||
| 635 | PanoramiXRes *win; | |||
| 636 | int rc = 0, j; | |||
| 637 | ||||
| 638 | REQUEST(xCompositeRedirectSubwindowsReq)xCompositeRedirectSubwindowsReq *stuff = (xCompositeRedirectSubwindowsReq *)client->requestBuffer; | |||
| 639 | ||||
| 640 | REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq)if ((sizeof(xCompositeRedirectSubwindowsReq) >> 2) != client ->req_len) return(16); | |||
| 641 | ||||
| 642 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| 643 | client, DixUnknownAccess0))) { | |||
| 644 | client->errorValue = stuff->window; | |||
| 645 | return rc; | |||
| 646 | } | |||
| 647 | ||||
| 648 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
| 649 | stuff->window = win->info[j].id; | |||
| 650 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
| 651 | if (rc != Success0) | |||
| 652 | break; | |||
| 653 | } | |||
| 654 | ||||
| 655 | return rc; | |||
| 656 | } | |||
| 657 | ||||
| 658 | static int | |||
| 659 | PanoramiXCompositeUnredirectWindow(ClientPtr client) | |||
| 660 | { | |||
| 661 | PanoramiXRes *win; | |||
| 662 | int rc = 0, j; | |||
| 663 | ||||
| 664 | REQUEST(xCompositeUnredirectWindowReq)xCompositeUnredirectWindowReq *stuff = (xCompositeUnredirectWindowReq *)client->requestBuffer; | |||
| 665 | ||||
| 666 | REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq)if ((sizeof(xCompositeUnredirectWindowReq) >> 2) != client ->req_len) return(16); | |||
| 667 | ||||
| 668 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| 669 | client, DixUnknownAccess0))) { | |||
| 670 | client->errorValue = stuff->window; | |||
| 671 | return rc; | |||
| 672 | } | |||
| 673 | ||||
| 674 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
| 675 | stuff->window = win->info[j].id; | |||
| 676 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
| 677 | if (rc != Success0) | |||
| 678 | break; | |||
| 679 | } | |||
| 680 | ||||
| 681 | return rc; | |||
| 682 | } | |||
| 683 | ||||
| 684 | static int | |||
| 685 | PanoramiXCompositeUnredirectSubwindows(ClientPtr client) | |||
| 686 | { | |||
| 687 | PanoramiXRes *win; | |||
| 688 | int rc = 0, j; | |||
| 689 | ||||
| 690 | REQUEST(xCompositeUnredirectSubwindowsReq)xCompositeUnredirectSubwindowsReq *stuff = (xCompositeUnredirectSubwindowsReq *)client->requestBuffer; | |||
| 691 | ||||
| 692 | REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq)if ((sizeof(xCompositeUnredirectSubwindowsReq) >> 2) != client->req_len) return(16); | |||
| 693 | ||||
| 694 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| 695 | client, DixUnknownAccess0))) { | |||
| 696 | client->errorValue = stuff->window; | |||
| 697 | return rc; | |||
| 698 | } | |||
| 699 | ||||
| 700 | FOR_NSCREENS_FORWARD(j)for(j = 0; j < PanoramiXNumScreens; j++) { | |||
| 701 | stuff->window = win->info[j].id; | |||
| 702 | rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); | |||
| 703 | if (rc != Success0) | |||
| 704 | break; | |||
| 705 | } | |||
| 706 | ||||
| 707 | return rc; | |||
| 708 | } | |||
| 709 | ||||
| 710 | static int | |||
| 711 | PanoramiXCompositeNameWindowPixmap(ClientPtr client) | |||
| 712 | { | |||
| 713 | WindowPtr pWin; | |||
| 714 | CompWindowPtr cw; | |||
| 715 | PixmapPtr pPixmap; | |||
| 716 | int rc; | |||
| 717 | PanoramiXRes *win, *newPix; | |||
| 718 | int i; | |||
| 719 | ||||
| 720 | REQUEST(xCompositeNameWindowPixmapReq)xCompositeNameWindowPixmapReq *stuff = (xCompositeNameWindowPixmapReq *)client->requestBuffer; | |||
| 721 | ||||
| 722 | REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq)if ((sizeof(xCompositeNameWindowPixmapReq) >> 2) != client ->req_len) return(16); | |||
| 723 | ||||
| 724 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| 725 | client, DixUnknownAccess0))) { | |||
| 726 | client->errorValue = stuff->window; | |||
| 727 | return rc; | |||
| 728 | } | |||
| 729 | ||||
| 730 | LEGAL_NEW_RESOURCE(stuff->pixmap, client)if (!LegalNewID(stuff->pixmap,client)) { client->errorValue = stuff->pixmap; return 14; }; | |||
| 731 | ||||
| 732 | if (!(newPix = malloc(sizeof(PanoramiXRes)))) | |||
| 733 | return BadAlloc11; | |||
| 734 | ||||
| 735 | newPix->type = XRT_PIXMAP; | |||
| 736 | newPix->u.pix.shared = FALSE0; | |||
| 737 | panoramix_setup_ids(newPix, client, stuff->pixmap); | |||
| 738 | ||||
| 739 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 740 | rc = dixLookupResourceByType((void **) &pWin, win->info[i].id, | |||
| 741 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), client, DixGetAttrAccess(1<<4)); | |||
| 742 | if (rc != Success0) { | |||
| 743 | client->errorValue = stuff->window; | |||
| 744 | free(newPix); | |||
| 745 | return rc; | |||
| 746 | } | |||
| 747 | ||||
| 748 | if (!pWin->viewable) { | |||
| 749 | free(newPix); | |||
| 750 | return BadMatch8; | |||
| 751 | } | |||
| 752 | ||||
| 753 | cw = GetCompWindow(pWin)((CompWindowPtr) dixLookupPrivate(&(pWin)->devPrivates , (&CompWindowPrivateKeyRec))); | |||
| 754 | if (!cw) { | |||
| 755 | free(newPix); | |||
| 756 | return BadMatch8; | |||
| 757 | } | |||
| 758 | ||||
| 759 | pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); | |||
| 760 | if (!pPixmap) { | |||
| 761 | free(newPix); | |||
| 762 | return BadMatch8; | |||
| 763 | } | |||
| 764 | ||||
| 765 | if (!AddResourceDarwin_X_AddResource(newPix->info[i].id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), (void *) pPixmap)) | |||
| 766 | return BadAlloc11; | |||
| 767 | ||||
| 768 | ++pPixmap->refcnt; | |||
| 769 | } | |||
| 770 | ||||
| 771 | if (!AddResourceDarwin_X_AddResource(stuff->pixmap, XRT_PIXMAP, (void *) newPix)) | |||
| 772 | return BadAlloc11; | |||
| 773 | ||||
| 774 | return Success0; | |||
| 775 | } | |||
| 776 | ||||
| 777 | static int | |||
| 778 | PanoramiXCompositeGetOverlayWindow(ClientPtr client) | |||
| 779 | { | |||
| 780 | REQUEST(xCompositeGetOverlayWindowReq)xCompositeGetOverlayWindowReq *stuff = (xCompositeGetOverlayWindowReq *)client->requestBuffer; | |||
| 781 | xCompositeGetOverlayWindowReply rep; | |||
| 782 | WindowPtr pWin; | |||
| 783 | ScreenPtr pScreen; | |||
| 784 | CompScreenPtr cs; | |||
| 785 | CompOverlayClientPtr pOc; | |||
| 786 | int rc; | |||
| 787 | PanoramiXRes *win, *overlayWin = NULL((void*)0); | |||
| 788 | int i; | |||
| 789 | ||||
| 790 | REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq)if ((sizeof(xCompositeGetOverlayWindowReq) >> 2) != client ->req_len) return(16); | |||
| 791 | ||||
| 792 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| ||||
| 793 | client, DixUnknownAccess0))) { | |||
| 794 | client->errorValue = stuff->window; | |||
| 795 | return rc; | |||
| 796 | } | |||
| 797 | ||||
| 798 | cs = GetCompScreen(screenInfo.screens[0])((CompScreenPtr) dixLookupPrivate(&(screenInfo.screens[0] )->devPrivates, (&CompScreenPrivateKeyRec))); | |||
| 799 | if (!cs->pOverlayWin) { | |||
| 800 | if (!(overlayWin = malloc(sizeof(PanoramiXRes)))) | |||
| 801 | return BadAlloc11; | |||
| 802 | ||||
| 803 | overlayWin->type = XRT_WINDOW; | |||
| 804 | overlayWin->u.win.root = FALSE0; | |||
| 805 | } | |||
| 806 | ||||
| 807 | FOR_NSCREENS_BACKWARD(i)for(i = PanoramiXNumScreens - 1; i >= 0; i--) { | |||
| 808 | rc = dixLookupResourceByType((void **) &pWin, win->info[i].id, | |||
| 809 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), client, DixGetAttrAccess(1<<4)); | |||
| 810 | if (rc != Success0) { | |||
| 811 | client->errorValue = stuff->window; | |||
| 812 | free(overlayWin); | |||
| 813 | return rc; | |||
| 814 | } | |||
| 815 | pScreen = pWin->drawable.pScreen; | |||
| 816 | ||||
| 817 | /* | |||
| 818 | * Create an OverlayClient structure to mark this client's | |||
| 819 | * interest in the overlay window | |||
| 820 | */ | |||
| 821 | pOc = compCreateOverlayClient(pScreen, client); | |||
| 822 | if (pOc == NULL((void*)0)) { | |||
| 823 | free(overlayWin); | |||
| 824 | return BadAlloc11; | |||
| 825 | } | |||
| 826 | ||||
| 827 | /* | |||
| 828 | * Make sure the overlay window exists | |||
| 829 | */ | |||
| 830 | cs = GetCompScreen(pScreen)((CompScreenPtr) dixLookupPrivate(&(pScreen)->devPrivates , (&CompScreenPrivateKeyRec))); | |||
| 831 | if (cs->pOverlayWin == NULL((void*)0)) | |||
| 832 | if (!compCreateOverlayWindow(pScreen)) { | |||
| 833 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
| 834 | free(overlayWin); | |||
| 835 | return BadAlloc11; | |||
| 836 | } | |||
| 837 | ||||
| 838 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, | |||
| 839 | cs->pOverlayWin->drawable.id, | |||
| ||||
| 840 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), cs->pOverlayWin, RT_NONE((RESTYPE)0), NULL((void*)0), | |||
| 841 | DixGetAttrAccess(1<<4)); | |||
| 842 | if (rc != Success0) { | |||
| 843 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
| 844 | free(overlayWin); | |||
| 845 | return rc; | |||
| 846 | } | |||
| 847 | } | |||
| 848 | ||||
| 849 | if (overlayWin) { | |||
| 850 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 851 | cs = GetCompScreen(screenInfo.screens[i])((CompScreenPtr) dixLookupPrivate(&(screenInfo.screens[i] )->devPrivates, (&CompScreenPrivateKeyRec))); | |||
| 852 | overlayWin->info[i].id = cs->pOverlayWin->drawable.id; | |||
| 853 | } | |||
| 854 | ||||
| 855 | AddResourceDarwin_X_AddResource(overlayWin->info[0].id, XRT_WINDOW, overlayWin); | |||
| 856 | } | |||
| 857 | ||||
| 858 | cs = GetCompScreen(screenInfo.screens[0])((CompScreenPtr) dixLookupPrivate(&(screenInfo.screens[0] )->devPrivates, (&CompScreenPrivateKeyRec))); | |||
| 859 | ||||
| 860 | rep = (xCompositeGetOverlayWindowReply) { | |||
| 861 | .type = X_Reply1, | |||
| 862 | .sequenceNumber = client->sequence, | |||
| 863 | .length = 0, | |||
| 864 | .overlayWin = cs->pOverlayWin->drawable.id | |||
| 865 | }; | |||
| 866 | ||||
| 867 | if (client->swapped) { | |||
| 868 | 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); | |||
| 869 | 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); | |||
| 870 | 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); | |||
| 871 | } | |||
| 872 | WriteToClient(client, sz_xCompositeGetOverlayWindowReplysizeof(xCompositeGetOverlayWindowReply), &rep); | |||
| 873 | ||||
| 874 | return Success0; | |||
| 875 | } | |||
| 876 | ||||
| 877 | static int | |||
| 878 | PanoramiXCompositeReleaseOverlayWindow(ClientPtr client) | |||
| 879 | { | |||
| 880 | REQUEST(xCompositeReleaseOverlayWindowReq)xCompositeReleaseOverlayWindowReq *stuff = (xCompositeReleaseOverlayWindowReq *)client->requestBuffer; | |||
| 881 | WindowPtr pWin; | |||
| 882 | CompOverlayClientPtr pOc; | |||
| 883 | PanoramiXRes *win; | |||
| 884 | int i, rc; | |||
| 885 | ||||
| 886 | REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq)if ((sizeof(xCompositeReleaseOverlayWindowReq) >> 2) != client->req_len) return(16); | |||
| 887 | ||||
| 888 | if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW, | |||
| 889 | client, DixUnknownAccess0))) { | |||
| 890 | client->errorValue = stuff->window; | |||
| 891 | return rc; | |||
| 892 | } | |||
| 893 | ||||
| 894 | FOR_NSCREENS_BACKWARD(i)for(i = PanoramiXNumScreens - 1; i >= 0; i--) { | |||
| 895 | if ((rc = dixLookupResourceByType((void **) &pWin, win->info[i].id, | |||
| 896 | XRT_WINDOW, client, | |||
| 897 | DixUnknownAccess0))) { | |||
| 898 | client->errorValue = stuff->window; | |||
| 899 | return rc; | |||
| 900 | } | |||
| 901 | ||||
| 902 | /* | |||
| 903 | * Has client queried a reference to the overlay window | |||
| 904 | * on this screen? If not, generate an error. | |||
| 905 | */ | |||
| 906 | pOc = compFindOverlayClient(pWin->drawable.pScreen, client); | |||
| 907 | if (pOc == NULL((void*)0)) | |||
| 908 | return BadMatch8; | |||
| 909 | ||||
| 910 | /* The delete function will free the client structure */ | |||
| 911 | FreeResource(pOc->resource, RT_NONE((RESTYPE)0)); | |||
| 912 | } | |||
| 913 | ||||
| 914 | return Success0; | |||
| 915 | } | |||
| 916 | ||||
| 917 | void | |||
| 918 | PanoramiXCompositeInit(void) | |||
| 919 | { | |||
| 920 | int i; | |||
| 921 | ||||
| 922 | for (i = 0; i < CompositeNumberRequests(8 + 1); i++) | |||
| 923 | PanoramiXSaveCompositeVector[i] = ProcCompositeVector[i]; | |||
| 924 | /* | |||
| 925 | * Stuff in Xinerama aware request processing hooks | |||
| 926 | */ | |||
| 927 | ProcCompositeVector[X_CompositeRedirectWindow1] = | |||
| 928 | PanoramiXCompositeRedirectWindow; | |||
| 929 | ProcCompositeVector[X_CompositeRedirectSubwindows2] = | |||
| 930 | PanoramiXCompositeRedirectSubwindows; | |||
| 931 | ProcCompositeVector[X_CompositeUnredirectWindow3] = | |||
| 932 | PanoramiXCompositeUnredirectWindow; | |||
| 933 | ProcCompositeVector[X_CompositeUnredirectSubwindows4] = | |||
| 934 | PanoramiXCompositeUnredirectSubwindows; | |||
| 935 | ProcCompositeVector[X_CompositeNameWindowPixmap6] = | |||
| 936 | PanoramiXCompositeNameWindowPixmap; | |||
| 937 | ProcCompositeVector[X_CompositeGetOverlayWindow7] = | |||
| 938 | PanoramiXCompositeGetOverlayWindow; | |||
| 939 | ProcCompositeVector[X_CompositeReleaseOverlayWindow8] = | |||
| 940 | PanoramiXCompositeReleaseOverlayWindow; | |||
| 941 | } | |||
| 942 | ||||
| 943 | void | |||
| 944 | PanoramiXCompositeReset(void) | |||
| 945 | { | |||
| 946 | int i; | |||
| 947 | ||||
| 948 | for (i = 0; i < CompositeNumberRequests(8 + 1); i++) | |||
| 949 | ProcCompositeVector[i] = PanoramiXSaveCompositeVector[i]; | |||
| 950 | } | |||
| 951 | ||||
| 952 | #endif |