| File: | Xext/panoramiX.c |
| Location: | line 1250, column 43 |
| Description: | Array access (from variable 'ScratchMem') results in a null pointer dereference |
| 1 | /***************************************************************** | |||
| 2 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. | |||
| 3 | Permission is hereby granted, free of charge, to any person obtaining a copy | |||
| 4 | of this software and associated documentation files (the "Software"), to deal | |||
| 5 | in the Software without restriction, including without limitation the rights | |||
| 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |||
| 7 | copies of the Software. | |||
| 8 | ||||
| 9 | The above copyright notice and this permission notice shall be included in | |||
| 10 | all copies or substantial portions of the Software. | |||
| 11 | ||||
| 12 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 13 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 14 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
| 15 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, | |||
| 16 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, | |||
| 17 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR | |||
| 18 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
| 19 | ||||
| 20 | Except as contained in this notice, the name of Digital Equipment Corporation | |||
| 21 | shall not be used in advertising or otherwise to promote the sale, use or other | |||
| 22 | dealings in this Software without prior written authorization from Digital | |||
| 23 | Equipment Corporation. | |||
| 24 | ******************************************************************/ | |||
| 25 | ||||
| 26 | #ifdef HAVE_DIX_CONFIG_H1 | |||
| 27 | #include <dix-config.h> | |||
| 28 | #endif | |||
| 29 | ||||
| 30 | #ifdef HAVE_DMX_CONFIG_H | |||
| 31 | #include <dmx-config.h> | |||
| 32 | #endif | |||
| 33 | ||||
| 34 | #include <stdio.h> | |||
| 35 | #include <X11/X.h> | |||
| 36 | #include <X11/Xproto.h> | |||
| 37 | #include <X11/Xarch.h> | |||
| 38 | #include "misc.h" | |||
| 39 | #include "cursor.h" | |||
| 40 | #include "cursorstr.h" | |||
| 41 | #include "extnsionst.h" | |||
| 42 | #include "dixstruct.h" | |||
| 43 | #include "gc.h" | |||
| 44 | #include "gcstruct.h" | |||
| 45 | #include "scrnintstr.h" | |||
| 46 | #include "window.h" | |||
| 47 | #include "windowstr.h" | |||
| 48 | #include "pixmapstr.h" | |||
| 49 | #include "panoramiX.h" | |||
| 50 | #include <X11/extensions/panoramiXproto.h> | |||
| 51 | #include "panoramiXsrv.h" | |||
| 52 | #include "globals.h" | |||
| 53 | #include "servermd.h" | |||
| 54 | #include "resource.h" | |||
| 55 | #include "picturestr.h" | |||
| 56 | #include "xfixesint.h" | |||
| 57 | #include "damageextint.h" | |||
| 58 | #ifdef COMPOSITE | |||
| 59 | #include "compint.h" | |||
| 60 | #endif | |||
| 61 | #include "extinit.h" | |||
| 62 | #include "protocol-versions.h" | |||
| 63 | ||||
| 64 | #ifdef GLXPROXY | |||
| 65 | extern VisualPtr glxMatchVisual(ScreenPtr pScreen, | |||
| 66 | VisualPtr pVisual, ScreenPtr pMatchScreen); | |||
| 67 | #endif | |||
| 68 | ||||
| 69 | /* | |||
| 70 | * PanoramiX data declarations | |||
| 71 | */ | |||
| 72 | ||||
| 73 | int PanoramiXPixWidth = 0; | |||
| 74 | int PanoramiXPixHeight = 0; | |||
| 75 | int PanoramiXNumScreens = 0; | |||
| 76 | ||||
| 77 | _X_EXPORT__attribute__((visibility("default"))) RegionRec PanoramiXScreenRegion = { {0, 0, 0, 0}, NULL((void*)0) }; | |||
| 78 | ||||
| 79 | static int PanoramiXNumDepths; | |||
| 80 | static DepthPtr PanoramiXDepths; | |||
| 81 | static int PanoramiXNumVisuals; | |||
| 82 | static VisualPtr PanoramiXVisuals; | |||
| 83 | ||||
| 84 | RESTYPE XRC_DRAWABLE; | |||
| 85 | RESTYPE XRT_WINDOW; | |||
| 86 | RESTYPE XRT_PIXMAP; | |||
| 87 | RESTYPE XRT_GC; | |||
| 88 | RESTYPE XRT_COLORMAP; | |||
| 89 | ||||
| 90 | static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr); | |||
| 91 | XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual; | |||
| 92 | ||||
| 93 | /* | |||
| 94 | * Function prototypes | |||
| 95 | */ | |||
| 96 | ||||
| 97 | static int panoramiXGeneration; | |||
| 98 | static int ProcPanoramiXDispatch(ClientPtr client); | |||
| 99 | ||||
| 100 | static void PanoramiXResetProc(ExtensionEntry *); | |||
| 101 | ||||
| 102 | /* | |||
| 103 | * External references for functions and data variables | |||
| 104 | */ | |||
| 105 | ||||
| 106 | #include "panoramiXh.h" | |||
| 107 | ||||
| 108 | int (*SavedProcVector[256]) (ClientPtr client) = { | |||
| 109 | NULL((void*)0),}; | |||
| 110 | ||||
| 111 | static DevPrivateKeyRec PanoramiXGCKeyRec; | |||
| 112 | ||||
| 113 | #define PanoramiXGCKey(&PanoramiXGCKeyRec) (&PanoramiXGCKeyRec) | |||
| 114 | static DevPrivateKeyRec PanoramiXScreenKeyRec; | |||
| 115 | ||||
| 116 | #define PanoramiXScreenKey(&PanoramiXScreenKeyRec) (&PanoramiXScreenKeyRec) | |||
| 117 | ||||
| 118 | typedef struct { | |||
| 119 | DDXPointRec clipOrg; | |||
| 120 | DDXPointRec patOrg; | |||
| 121 | const GCFuncs *wrapFuncs; | |||
| 122 | } PanoramiXGCRec, *PanoramiXGCPtr; | |||
| 123 | ||||
| 124 | typedef struct { | |||
| 125 | CreateGCProcPtr CreateGC; | |||
| 126 | CloseScreenProcPtr CloseScreen; | |||
| 127 | } PanoramiXScreenRec, *PanoramiXScreenPtr; | |||
| 128 | ||||
| 129 | static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr); | |||
| 130 | static void XineramaChangeGC(GCPtr, unsigned long); | |||
| 131 | static void XineramaCopyGC(GCPtr, unsigned long, GCPtr); | |||
| 132 | static void XineramaDestroyGC(GCPtr); | |||
| 133 | static void XineramaChangeClip(GCPtr, int, void *, int); | |||
| 134 | static void XineramaDestroyClip(GCPtr); | |||
| 135 | static void XineramaCopyClip(GCPtr, GCPtr); | |||
| 136 | ||||
| 137 | static const GCFuncs XineramaGCFuncs = { | |||
| 138 | XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC, | |||
| 139 | XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip | |||
| 140 | }; | |||
| 141 | ||||
| 142 | #define Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;\ | |||
| 143 | PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \ | |||
| 144 | dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey(&PanoramiXGCKeyRec)); \ | |||
| 145 | (pGC)->funcs = pGCPriv->wrapFuncs; | |||
| 146 | ||||
| 147 | #define Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;\ | |||
| 148 | pGCPriv->wrapFuncs = (pGC)->funcs;\ | |||
| 149 | (pGC)->funcs = &XineramaGCFuncs; | |||
| 150 | ||||
| 151 | static Bool | |||
| 152 | XineramaCloseScreen(ScreenPtr pScreen) | |||
| 153 | { | |||
| 154 | PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) | |||
| 155 | dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey(&PanoramiXScreenKeyRec)); | |||
| 156 | ||||
| 157 | pScreen->CloseScreen = pScreenPriv->CloseScreen; | |||
| 158 | pScreen->CreateGC = pScreenPriv->CreateGC; | |||
| 159 | ||||
| 160 | if (pScreen->myNum == 0) | |||
| 161 | RegionUninit(&PanoramiXScreenRegion); | |||
| 162 | ||||
| 163 | free(pScreenPriv); | |||
| 164 | ||||
| 165 | return (*pScreen->CloseScreen) (pScreen); | |||
| 166 | } | |||
| 167 | ||||
| 168 | static Bool | |||
| 169 | XineramaCreateGC(GCPtr pGC) | |||
| 170 | { | |||
| 171 | ScreenPtr pScreen = pGC->pScreen; | |||
| 172 | PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) | |||
| 173 | dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey(&PanoramiXScreenKeyRec)); | |||
| 174 | Bool ret; | |||
| 175 | ||||
| 176 | pScreen->CreateGC = pScreenPriv->CreateGC; | |||
| 177 | if ((ret = (*pScreen->CreateGC) (pGC))) { | |||
| 178 | PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) | |||
| 179 | dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey(&PanoramiXGCKeyRec)); | |||
| 180 | ||||
| 181 | pGCPriv->wrapFuncs = pGC->funcs; | |||
| 182 | pGC->funcs = &XineramaGCFuncs; | |||
| 183 | ||||
| 184 | pGCPriv->clipOrg.x = pGC->clipOrg.x; | |||
| 185 | pGCPriv->clipOrg.y = pGC->clipOrg.y; | |||
| 186 | pGCPriv->patOrg.x = pGC->patOrg.x; | |||
| 187 | pGCPriv->patOrg.y = pGC->patOrg.y; | |||
| 188 | } | |||
| 189 | pScreen->CreateGC = XineramaCreateGC; | |||
| 190 | ||||
| 191 | return ret; | |||
| 192 | } | |||
| 193 | ||||
| 194 | static void | |||
| 195 | XineramaValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDraw) | |||
| 196 | { | |||
| 197 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; | |||
| 198 | ||||
| 199 | if ((pDraw->type == DRAWABLE_WINDOW0) && !(((WindowPtr) pDraw)->parent)) { | |||
| 200 | /* the root window */ | |||
| 201 | int x_off = pGC->pScreen->x; | |||
| 202 | int y_off = pGC->pScreen->y; | |||
| 203 | int new_val; | |||
| 204 | ||||
| 205 | new_val = pGCPriv->clipOrg.x - x_off; | |||
| 206 | if (pGC->clipOrg.x != new_val) { | |||
| 207 | pGC->clipOrg.x = new_val; | |||
| 208 | changes |= GCClipXOrigin(1L<<17); | |||
| 209 | } | |||
| 210 | new_val = pGCPriv->clipOrg.y - y_off; | |||
| 211 | if (pGC->clipOrg.y != new_val) { | |||
| 212 | pGC->clipOrg.y = new_val; | |||
| 213 | changes |= GCClipYOrigin(1L<<18); | |||
| 214 | } | |||
| 215 | new_val = pGCPriv->patOrg.x - x_off; | |||
| 216 | if (pGC->patOrg.x != new_val) { | |||
| 217 | pGC->patOrg.x = new_val; | |||
| 218 | changes |= GCTileStipXOrigin(1L<<12); | |||
| 219 | } | |||
| 220 | new_val = pGCPriv->patOrg.y - y_off; | |||
| 221 | if (pGC->patOrg.y != new_val) { | |||
| 222 | pGC->patOrg.y = new_val; | |||
| 223 | changes |= GCTileStipYOrigin(1L<<13); | |||
| 224 | } | |||
| 225 | } | |||
| 226 | else { | |||
| 227 | if (pGC->clipOrg.x != pGCPriv->clipOrg.x) { | |||
| 228 | pGC->clipOrg.x = pGCPriv->clipOrg.x; | |||
| 229 | changes |= GCClipXOrigin(1L<<17); | |||
| 230 | } | |||
| 231 | if (pGC->clipOrg.y != pGCPriv->clipOrg.y) { | |||
| 232 | pGC->clipOrg.y = pGCPriv->clipOrg.y; | |||
| 233 | changes |= GCClipYOrigin(1L<<18); | |||
| 234 | } | |||
| 235 | if (pGC->patOrg.x != pGCPriv->patOrg.x) { | |||
| 236 | pGC->patOrg.x = pGCPriv->patOrg.x; | |||
| 237 | changes |= GCTileStipXOrigin(1L<<12); | |||
| 238 | } | |||
| 239 | if (pGC->patOrg.y != pGCPriv->patOrg.y) { | |||
| 240 | pGC->patOrg.y = pGCPriv->patOrg.y; | |||
| 241 | changes |= GCTileStipYOrigin(1L<<13); | |||
| 242 | } | |||
| 243 | } | |||
| 244 | ||||
| 245 | (*pGC->funcs->ValidateGC) (pGC, changes, pDraw); | |||
| 246 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; | |||
| 247 | } | |||
| 248 | ||||
| 249 | static void | |||
| 250 | XineramaDestroyGC(GCPtr pGC) | |||
| 251 | { | |||
| 252 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; | |||
| 253 | (*pGC->funcs->DestroyGC) (pGC); | |||
| 254 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; | |||
| 255 | } | |||
| 256 | ||||
| 257 | static void | |||
| 258 | XineramaChangeGC(GCPtr pGC, unsigned long mask) | |||
| 259 | { | |||
| 260 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; | |||
| 261 | ||||
| 262 | if (mask & GCTileStipXOrigin(1L<<12)) | |||
| 263 | pGCPriv->patOrg.x = pGC->patOrg.x; | |||
| 264 | if (mask & GCTileStipYOrigin(1L<<13)) | |||
| 265 | pGCPriv->patOrg.y = pGC->patOrg.y; | |||
| 266 | if (mask & GCClipXOrigin(1L<<17)) | |||
| 267 | pGCPriv->clipOrg.x = pGC->clipOrg.x; | |||
| 268 | if (mask & GCClipYOrigin(1L<<18)) | |||
| 269 | pGCPriv->clipOrg.y = pGC->clipOrg.y; | |||
| 270 | ||||
| 271 | (*pGC->funcs->ChangeGC) (pGC, mask); | |||
| 272 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; | |||
| 273 | } | |||
| 274 | ||||
| 275 | static void | |||
| 276 | XineramaCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) | |||
| 277 | { | |||
| 278 | PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr) | |||
| 279 | dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey(&PanoramiXGCKeyRec)); | |||
| 280 | ||||
| 281 | Xinerama_GC_FUNC_PROLOGUE(pGCDst)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGCDst)->devPrivates, (&PanoramiXGCKeyRec)); (pGCDst) ->funcs = pGCPriv->wrapFuncs;; | |||
| 282 | ||||
| 283 | if (mask & GCTileStipXOrigin(1L<<12)) | |||
| 284 | pGCPriv->patOrg.x = pSrcPriv->patOrg.x; | |||
| 285 | if (mask & GCTileStipYOrigin(1L<<13)) | |||
| 286 | pGCPriv->patOrg.y = pSrcPriv->patOrg.y; | |||
| 287 | if (mask & GCClipXOrigin(1L<<17)) | |||
| 288 | pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x; | |||
| 289 | if (mask & GCClipYOrigin(1L<<18)) | |||
| 290 | pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y; | |||
| 291 | ||||
| 292 | (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); | |||
| 293 | Xinerama_GC_FUNC_EPILOGUE(pGCDst)pGCPriv->wrapFuncs = (pGCDst)->funcs; (pGCDst)->funcs = &XineramaGCFuncs;; | |||
| 294 | } | |||
| 295 | ||||
| 296 | static void | |||
| 297 | XineramaChangeClip(GCPtr pGC, int type, void *pvalue, int nrects) | |||
| 298 | { | |||
| 299 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; | |||
| 300 | (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); | |||
| 301 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; | |||
| 302 | } | |||
| 303 | ||||
| 304 | static void | |||
| 305 | XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc) | |||
| 306 | { | |||
| 307 | Xinerama_GC_FUNC_PROLOGUE(pgcDst)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pgcDst)->devPrivates, (&PanoramiXGCKeyRec)); (pgcDst) ->funcs = pGCPriv->wrapFuncs;; | |||
| 308 | (*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc); | |||
| 309 | Xinerama_GC_FUNC_EPILOGUE(pgcDst)pGCPriv->wrapFuncs = (pgcDst)->funcs; (pgcDst)->funcs = &XineramaGCFuncs;; | |||
| 310 | } | |||
| 311 | ||||
| 312 | static void | |||
| 313 | XineramaDestroyClip(GCPtr pGC) | |||
| 314 | { | |||
| 315 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; | |||
| 316 | (*pGC->funcs->DestroyClip) (pGC); | |||
| 317 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; | |||
| 318 | } | |||
| 319 | ||||
| 320 | int | |||
| 321 | XineramaDeleteResource(void *data, XID id) | |||
| 322 | { | |||
| 323 | free(data); | |||
| 324 | return 1; | |||
| 325 | } | |||
| 326 | ||||
| 327 | typedef struct { | |||
| 328 | int screen; | |||
| 329 | int id; | |||
| 330 | } PanoramiXSearchData; | |||
| 331 | ||||
| 332 | static Bool | |||
| 333 | XineramaFindIDByScrnum(void *resource, XID id, void *privdata) | |||
| 334 | { | |||
| 335 | PanoramiXRes *res = (PanoramiXRes *) resource; | |||
| 336 | PanoramiXSearchData *data = (PanoramiXSearchData *) privdata; | |||
| 337 | ||||
| 338 | return res->info[data->screen].id == data->id; | |||
| 339 | } | |||
| 340 | ||||
| 341 | PanoramiXRes * | |||
| 342 | PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen) | |||
| 343 | { | |||
| 344 | PanoramiXSearchData data; | |||
| 345 | void *val; | |||
| 346 | ||||
| 347 | if (!screen) { | |||
| 348 | dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess(1<<0)); | |||
| 349 | return val; | |||
| 350 | } | |||
| 351 | ||||
| 352 | data.screen = screen; | |||
| 353 | data.id = id; | |||
| 354 | ||||
| 355 | return LookupClientResourceComplex(clients[CLIENT_ID(id)((int)(((id) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))], type, | |||
| 356 | XineramaFindIDByScrnum, &data); | |||
| 357 | } | |||
| 358 | ||||
| 359 | typedef struct _connect_callback_list { | |||
| 360 | void (*func) (void); | |||
| 361 | struct _connect_callback_list *next; | |||
| 362 | } XineramaConnectionCallbackList; | |||
| 363 | ||||
| 364 | static XineramaConnectionCallbackList *ConnectionCallbackList = NULL((void*)0); | |||
| 365 | ||||
| 366 | Bool | |||
| 367 | XineramaRegisterConnectionBlockCallback(void (*func) (void)) | |||
| 368 | { | |||
| 369 | XineramaConnectionCallbackList *newlist; | |||
| 370 | ||||
| 371 | if (!(newlist = malloc(sizeof(XineramaConnectionCallbackList)))) | |||
| 372 | return FALSE0; | |||
| 373 | ||||
| 374 | newlist->next = ConnectionCallbackList; | |||
| 375 | newlist->func = func; | |||
| 376 | ConnectionCallbackList = newlist; | |||
| 377 | ||||
| 378 | return TRUE1; | |||
| 379 | } | |||
| 380 | ||||
| 381 | static void | |||
| 382 | XineramaInitData(void) | |||
| 383 | { | |||
| 384 | int i, w, h; | |||
| 385 | ||||
| 386 | RegionNull(&PanoramiXScreenRegion); | |||
| 387 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 388 | BoxRec TheBox; | |||
| 389 | RegionRec ScreenRegion; | |||
| 390 | ||||
| 391 | ScreenPtr pScreen = screenInfo.screens[i]; | |||
| 392 | ||||
| 393 | TheBox.x1 = pScreen->x; | |||
| 394 | TheBox.x2 = TheBox.x1 + pScreen->width; | |||
| 395 | TheBox.y1 = pScreen->y; | |||
| 396 | TheBox.y2 = TheBox.y1 + pScreen->height; | |||
| 397 | ||||
| 398 | RegionInit(&ScreenRegion, &TheBox, 1); | |||
| 399 | RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion, | |||
| 400 | &ScreenRegion); | |||
| 401 | RegionUninit(&ScreenRegion); | |||
| 402 | } | |||
| 403 | ||||
| 404 | PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width; | |||
| 405 | PanoramiXPixHeight = | |||
| 406 | screenInfo.screens[0]->y + screenInfo.screens[0]->height; | |||
| 407 | ||||
| 408 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { | |||
| 409 | ScreenPtr pScreen = screenInfo.screens[i]; | |||
| 410 | ||||
| 411 | w = pScreen->x + pScreen->width; | |||
| 412 | h = pScreen->y + pScreen->height; | |||
| 413 | ||||
| 414 | if (PanoramiXPixWidth < w) | |||
| 415 | PanoramiXPixWidth = w; | |||
| 416 | if (PanoramiXPixHeight < h) | |||
| 417 | PanoramiXPixHeight = h; | |||
| 418 | } | |||
| 419 | } | |||
| 420 | ||||
| 421 | void | |||
| 422 | XineramaReinitData(void) | |||
| 423 | { | |||
| 424 | RegionUninit(&PanoramiXScreenRegion); | |||
| 425 | XineramaInitData(); | |||
| 426 | } | |||
| 427 | ||||
| 428 | /* | |||
| 429 | * PanoramiXExtensionInit(): | |||
| 430 | * Called from InitExtensions in main(). | |||
| 431 | * Register PanoramiXeen Extension | |||
| 432 | * Initialize global variables. | |||
| 433 | */ | |||
| 434 | ||||
| 435 | void | |||
| 436 | PanoramiXExtensionInit(void) | |||
| 437 | { | |||
| 438 | int i; | |||
| 439 | Bool success = FALSE0; | |||
| 440 | ExtensionEntry *extEntry; | |||
| 441 | ScreenPtr pScreen = screenInfo.screens[0]; | |||
| 442 | PanoramiXScreenPtr pScreenPriv; | |||
| 443 | ||||
| 444 | if (noPanoramiXExtension) | |||
| 445 | return; | |||
| 446 | ||||
| 447 | if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) { | |||
| 448 | noPanoramiXExtension = TRUE1; | |||
| 449 | return; | |||
| 450 | } | |||
| 451 | ||||
| 452 | if (!dixRegisterPrivateKey | |||
| 453 | (&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) { | |||
| 454 | noPanoramiXExtension = TRUE1; | |||
| 455 | return; | |||
| 456 | } | |||
| 457 | ||||
| 458 | PanoramiXNumScreens = screenInfo.numScreens; | |||
| 459 | if (PanoramiXNumScreens == 1) { /* Only 1 screen */ | |||
| 460 | noPanoramiXExtension = TRUE1; | |||
| 461 | return; | |||
| 462 | } | |||
| 463 | ||||
| 464 | while (panoramiXGeneration != serverGeneration) { | |||
| 465 | extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME"XINERAMA", 0, 0, | |||
| 466 | ProcPanoramiXDispatch, | |||
| 467 | SProcPanoramiXDispatch, PanoramiXResetProc, | |||
| 468 | StandardMinorOpcode); | |||
| 469 | if (!extEntry) | |||
| 470 | break; | |||
| 471 | ||||
| 472 | /* | |||
| 473 | * First make sure all the basic allocations succeed. If not, | |||
| 474 | * run in non-PanoramiXeen mode. | |||
| 475 | */ | |||
| 476 | ||||
| 477 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 478 | pScreen = screenInfo.screens[i]; | |||
| 479 | pScreenPriv = malloc(sizeof(PanoramiXScreenRec)); | |||
| 480 | dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey(&PanoramiXScreenKeyRec), | |||
| 481 | pScreenPriv); | |||
| 482 | if (!pScreenPriv) { | |||
| 483 | noPanoramiXExtension = TRUE1; | |||
| 484 | return; | |||
| 485 | } | |||
| 486 | ||||
| 487 | pScreenPriv->CreateGC = pScreen->CreateGC; | |||
| 488 | pScreenPriv->CloseScreen = pScreen->CloseScreen; | |||
| 489 | ||||
| 490 | pScreen->CreateGC = XineramaCreateGC; | |||
| 491 | pScreen->CloseScreen = XineramaCloseScreen; | |||
| 492 | } | |||
| 493 | ||||
| 494 | XRC_DRAWABLE = CreateNewResourceClass(); | |||
| 495 | XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource, | |||
| 496 | "XineramaWindow"); | |||
| 497 | if (XRT_WINDOW) | |||
| 498 | XRT_WINDOW |= XRC_DRAWABLE; | |||
| 499 | XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource, | |||
| 500 | "XineramaPixmap"); | |||
| 501 | if (XRT_PIXMAP) | |||
| 502 | XRT_PIXMAP |= XRC_DRAWABLE; | |||
| 503 | XRT_GC = CreateNewResourceType(XineramaDeleteResource, "XineramaGC"); | |||
| 504 | XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource, | |||
| 505 | "XineramaColormap"); | |||
| 506 | ||||
| 507 | if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) { | |||
| 508 | panoramiXGeneration = serverGeneration; | |||
| 509 | success = TRUE1; | |||
| 510 | } | |||
| 511 | SetResourceTypeErrorValue(XRT_WINDOW, BadWindow3); | |||
| 512 | SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap4); | |||
| 513 | SetResourceTypeErrorValue(XRT_GC, BadGC13); | |||
| 514 | SetResourceTypeErrorValue(XRT_COLORMAP, BadColor12); | |||
| 515 | } | |||
| 516 | ||||
| 517 | if (!success) { | |||
| 518 | noPanoramiXExtension = TRUE1; | |||
| 519 | ErrorF(PANORAMIX_PROTOCOL_NAME"XINERAMA" " extension failed to initialize\n"); | |||
| 520 | return; | |||
| 521 | } | |||
| 522 | ||||
| 523 | XineramaInitData(); | |||
| 524 | ||||
| 525 | /* | |||
| 526 | * Put our processes into the ProcVector | |||
| 527 | */ | |||
| 528 | ||||
| 529 | for (i = 256; i--;) | |||
| 530 | SavedProcVector[i] = ProcVector[i]; | |||
| 531 | ||||
| 532 | ProcVector[X_CreateWindow1] = PanoramiXCreateWindow; | |||
| 533 | ProcVector[X_ChangeWindowAttributes2] = PanoramiXChangeWindowAttributes; | |||
| 534 | ProcVector[X_DestroyWindow4] = PanoramiXDestroyWindow; | |||
| 535 | ProcVector[X_DestroySubwindows5] = PanoramiXDestroySubwindows; | |||
| 536 | ProcVector[X_ChangeSaveSet6] = PanoramiXChangeSaveSet; | |||
| 537 | ProcVector[X_ReparentWindow7] = PanoramiXReparentWindow; | |||
| 538 | ProcVector[X_MapWindow8] = PanoramiXMapWindow; | |||
| 539 | ProcVector[X_MapSubwindows9] = PanoramiXMapSubwindows; | |||
| 540 | ProcVector[X_UnmapWindow10] = PanoramiXUnmapWindow; | |||
| 541 | ProcVector[X_UnmapSubwindows11] = PanoramiXUnmapSubwindows; | |||
| 542 | ProcVector[X_ConfigureWindow12] = PanoramiXConfigureWindow; | |||
| 543 | ProcVector[X_CirculateWindow13] = PanoramiXCirculateWindow; | |||
| 544 | ProcVector[X_GetGeometry14] = PanoramiXGetGeometry; | |||
| 545 | ProcVector[X_TranslateCoords40] = PanoramiXTranslateCoords; | |||
| 546 | ProcVector[X_CreatePixmap53] = PanoramiXCreatePixmap; | |||
| 547 | ProcVector[X_FreePixmap54] = PanoramiXFreePixmap; | |||
| 548 | ProcVector[X_CreateGC55] = PanoramiXCreateGC; | |||
| 549 | ProcVector[X_ChangeGC56] = PanoramiXChangeGC; | |||
| 550 | ProcVector[X_CopyGC57] = PanoramiXCopyGC; | |||
| 551 | ProcVector[X_SetDashes58] = PanoramiXSetDashes; | |||
| 552 | ProcVector[X_SetClipRectangles59] = PanoramiXSetClipRectangles; | |||
| 553 | ProcVector[X_FreeGC60] = PanoramiXFreeGC; | |||
| 554 | ProcVector[X_ClearArea61] = PanoramiXClearToBackground; | |||
| 555 | ProcVector[X_CopyArea62] = PanoramiXCopyArea; | |||
| 556 | ProcVector[X_CopyPlane63] = PanoramiXCopyPlane; | |||
| 557 | ProcVector[X_PolyPoint64] = PanoramiXPolyPoint; | |||
| 558 | ProcVector[X_PolyLine65] = PanoramiXPolyLine; | |||
| 559 | ProcVector[X_PolySegment66] = PanoramiXPolySegment; | |||
| 560 | ProcVector[X_PolyRectangle67] = PanoramiXPolyRectangle; | |||
| 561 | ProcVector[X_PolyArc68] = PanoramiXPolyArc; | |||
| 562 | ProcVector[X_FillPoly69] = PanoramiXFillPoly; | |||
| 563 | ProcVector[X_PolyFillRectangle70] = PanoramiXPolyFillRectangle; | |||
| 564 | ProcVector[X_PolyFillArc71] = PanoramiXPolyFillArc; | |||
| 565 | ProcVector[X_PutImage72] = PanoramiXPutImage; | |||
| 566 | ProcVector[X_GetImage73] = PanoramiXGetImage; | |||
| 567 | ProcVector[X_PolyText874] = PanoramiXPolyText8; | |||
| 568 | ProcVector[X_PolyText1675] = PanoramiXPolyText16; | |||
| 569 | ProcVector[X_ImageText876] = PanoramiXImageText8; | |||
| 570 | ProcVector[X_ImageText1677] = PanoramiXImageText16; | |||
| 571 | ProcVector[X_CreateColormap78] = PanoramiXCreateColormap; | |||
| 572 | ProcVector[X_FreeColormap79] = PanoramiXFreeColormap; | |||
| 573 | ProcVector[X_CopyColormapAndFree80] = PanoramiXCopyColormapAndFree; | |||
| 574 | ProcVector[X_InstallColormap81] = PanoramiXInstallColormap; | |||
| 575 | ProcVector[X_UninstallColormap82] = PanoramiXUninstallColormap; | |||
| 576 | ProcVector[X_AllocColor84] = PanoramiXAllocColor; | |||
| 577 | ProcVector[X_AllocNamedColor85] = PanoramiXAllocNamedColor; | |||
| 578 | ProcVector[X_AllocColorCells86] = PanoramiXAllocColorCells; | |||
| 579 | ProcVector[X_AllocColorPlanes87] = PanoramiXAllocColorPlanes; | |||
| 580 | ProcVector[X_FreeColors88] = PanoramiXFreeColors; | |||
| 581 | ProcVector[X_StoreColors89] = PanoramiXStoreColors; | |||
| 582 | ProcVector[X_StoreNamedColor90] = PanoramiXStoreNamedColor; | |||
| 583 | ||||
| 584 | PanoramiXRenderInit(); | |||
| 585 | PanoramiXFixesInit(); | |||
| 586 | PanoramiXDamageInit(); | |||
| 587 | #ifdef COMPOSITE | |||
| 588 | PanoramiXCompositeInit(); | |||
| 589 | #endif | |||
| 590 | ||||
| 591 | } | |||
| 592 | ||||
| 593 | Bool | |||
| 594 | PanoramiXCreateConnectionBlock(void) | |||
| 595 | { | |||
| 596 | int i, j, length; | |||
| 597 | Bool disable_backing_store = FALSE0; | |||
| 598 | int old_width, old_height; | |||
| 599 | float width_mult, height_mult; | |||
| 600 | xWindowRoot *root; | |||
| 601 | xVisualType *visual; | |||
| 602 | xDepth *depth; | |||
| 603 | VisualPtr pVisual; | |||
| 604 | ScreenPtr pScreen; | |||
| 605 | ||||
| 606 | /* | |||
| 607 | * Do normal CreateConnectionBlock but faking it for only one screen | |||
| 608 | */ | |||
| 609 | ||||
| 610 | if (!PanoramiXNumDepths) { | |||
| 611 | ErrorF("Xinerama error: No common visuals\n"); | |||
| 612 | return FALSE0; | |||
| 613 | } | |||
| 614 | ||||
| 615 | for (i = 1; i < screenInfo.numScreens; i++) { | |||
| 616 | pScreen = screenInfo.screens[i]; | |||
| 617 | if (pScreen->rootDepth != screenInfo.screens[0]->rootDepth) { | |||
| 618 | ErrorF("Xinerama error: Root window depths differ\n"); | |||
| 619 | return FALSE0; | |||
| 620 | } | |||
| 621 | if (pScreen->backingStoreSupport != | |||
| 622 | screenInfo.screens[0]->backingStoreSupport) | |||
| 623 | disable_backing_store = TRUE1; | |||
| 624 | } | |||
| 625 | ||||
| 626 | if (disable_backing_store) { | |||
| 627 | for (i = 0; i < screenInfo.numScreens; i++) { | |||
| 628 | pScreen = screenInfo.screens[i]; | |||
| 629 | pScreen->backingStoreSupport = NotUseful0; | |||
| 630 | } | |||
| 631 | } | |||
| 632 | ||||
| 633 | i = screenInfo.numScreens; | |||
| 634 | screenInfo.numScreens = 1; | |||
| 635 | if (!CreateConnectionBlock()) { | |||
| 636 | screenInfo.numScreens = i; | |||
| 637 | return FALSE0; | |||
| 638 | } | |||
| 639 | ||||
| 640 | screenInfo.numScreens = i; | |||
| 641 | ||||
| 642 | root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); | |||
| 643 | length = connBlockScreenStart + sizeof(xWindowRoot); | |||
| 644 | ||||
| 645 | /* overwrite the connection block */ | |||
| 646 | root->nDepths = PanoramiXNumDepths; | |||
| 647 | ||||
| 648 | for (i = 0; i < PanoramiXNumDepths; i++) { | |||
| 649 | depth = (xDepth *) (ConnectionInfo + length); | |||
| 650 | depth->depth = PanoramiXDepths[i].depth; | |||
| 651 | depth->nVisuals = PanoramiXDepths[i].numVids; | |||
| 652 | length += sizeof(xDepth); | |||
| 653 | visual = (xVisualType *) (ConnectionInfo + length); | |||
| 654 | ||||
| 655 | for (j = 0; j < depth->nVisuals; j++, visual++) { | |||
| 656 | visual->visualID = PanoramiXDepths[i].vids[j]; | |||
| 657 | ||||
| 658 | for (pVisual = PanoramiXVisuals; | |||
| 659 | pVisual->vid != visual->visualID; pVisual++); | |||
| 660 | ||||
| 661 | visual->class = pVisual->class; | |||
| 662 | visual->bitsPerRGB = pVisual->bitsPerRGBValue; | |||
| 663 | visual->colormapEntries = pVisual->ColormapEntries; | |||
| 664 | visual->redMask = pVisual->redMask; | |||
| 665 | visual->greenMask = pVisual->greenMask; | |||
| 666 | visual->blueMask = pVisual->blueMask; | |||
| 667 | } | |||
| 668 | ||||
| 669 | length += (depth->nVisuals * sizeof(xVisualType)); | |||
| 670 | } | |||
| 671 | ||||
| 672 | connSetupPrefix.length = bytes_to_int32(length); | |||
| 673 | ||||
| 674 | for (i = 0; i < PanoramiXNumDepths; i++) | |||
| 675 | free(PanoramiXDepths[i].vids); | |||
| 676 | free(PanoramiXDepths); | |||
| 677 | PanoramiXDepths = NULL((void*)0); | |||
| 678 | ||||
| 679 | /* | |||
| 680 | * OK, change some dimensions so it looks as if it were one big screen | |||
| 681 | */ | |||
| 682 | ||||
| 683 | old_width = root->pixWidth; | |||
| 684 | old_height = root->pixHeight; | |||
| 685 | ||||
| 686 | root->pixWidth = PanoramiXPixWidth; | |||
| 687 | root->pixHeight = PanoramiXPixHeight; | |||
| 688 | width_mult = (1.0 * root->pixWidth) / old_width; | |||
| 689 | height_mult = (1.0 * root->pixHeight) / old_height; | |||
| 690 | root->mmWidth *= width_mult; | |||
| 691 | root->mmHeight *= height_mult; | |||
| 692 | ||||
| 693 | while (ConnectionCallbackList) { | |||
| 694 | void *tmp; | |||
| 695 | ||||
| 696 | tmp = (void *) ConnectionCallbackList; | |||
| 697 | (*ConnectionCallbackList->func) (); | |||
| 698 | ConnectionCallbackList = ConnectionCallbackList->next; | |||
| 699 | free(tmp); | |||
| 700 | } | |||
| 701 | ||||
| 702 | return TRUE1; | |||
| 703 | } | |||
| 704 | ||||
| 705 | /* | |||
| 706 | * This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that | |||
| 707 | * change way back before xf86 4.0, but the comment for _why_ is a bit | |||
| 708 | * opaque, so I'm not going to question it for now. | |||
| 709 | * | |||
| 710 | * This is probably better done as a screen hook so DBE/EVI/GLX can add | |||
| 711 | * their own tests, and adding privates to VisualRec so they don't have to | |||
| 712 | * do their own back-mapping. | |||
| 713 | */ | |||
| 714 | static Bool | |||
| 715 | VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b) | |||
| 716 | { | |||
| 717 | return ((a->class == b->class) && | |||
| 718 | (a->ColormapEntries == b->ColormapEntries) && | |||
| 719 | (a->nplanes == b->nplanes) && | |||
| 720 | (a->redMask == b->redMask) && | |||
| 721 | (a->greenMask == b->greenMask) && | |||
| 722 | (a->blueMask == b->blueMask) && | |||
| 723 | (a->offsetRed == b->offsetRed) && | |||
| 724 | (a->offsetGreen == b->offsetGreen) && | |||
| 725 | (a->offsetBlue == b->offsetBlue)); | |||
| 726 | } | |||
| 727 | ||||
| 728 | static void | |||
| 729 | PanoramiXMaybeAddDepth(DepthPtr pDepth) | |||
| 730 | { | |||
| 731 | ScreenPtr pScreen; | |||
| 732 | int j, k; | |||
| 733 | Bool found = FALSE0; | |||
| 734 | ||||
| 735 | FOR_NSCREENS_FORWARD_SKIP(j)for(j = 1; j < PanoramiXNumScreens; j++) { | |||
| 736 | pScreen = screenInfo.screens[j]; | |||
| 737 | for (k = 0; k < pScreen->numDepths; k++) { | |||
| 738 | if (pScreen->allowedDepths[k].depth == pDepth->depth) { | |||
| 739 | found = TRUE1; | |||
| 740 | break; | |||
| 741 | } | |||
| 742 | } | |||
| 743 | } | |||
| 744 | ||||
| 745 | if (!found) | |||
| 746 | return; | |||
| 747 | ||||
| 748 | j = PanoramiXNumDepths; | |||
| 749 | PanoramiXNumDepths++; | |||
| 750 | PanoramiXDepths = realloc(PanoramiXDepths, | |||
| 751 | PanoramiXNumDepths * sizeof(DepthRec)); | |||
| 752 | PanoramiXDepths[j].depth = pDepth->depth; | |||
| 753 | PanoramiXDepths[j].numVids = 0; | |||
| 754 | /* XXX suboptimal, should grow these dynamically */ | |||
| 755 | if (pDepth->numVids) | |||
| 756 | PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids); | |||
| 757 | else | |||
| 758 | PanoramiXDepths[j].vids = NULL((void*)0); | |||
| 759 | } | |||
| 760 | ||||
| 761 | static void | |||
| 762 | PanoramiXMaybeAddVisual(VisualPtr pVisual) | |||
| 763 | { | |||
| 764 | ScreenPtr pScreen; | |||
| 765 | int j, k; | |||
| 766 | Bool found = FALSE0; | |||
| 767 | ||||
| 768 | FOR_NSCREENS_FORWARD_SKIP(j)for(j = 1; j < PanoramiXNumScreens; j++) { | |||
| 769 | pScreen = screenInfo.screens[j]; | |||
| 770 | found = FALSE0; | |||
| 771 | ||||
| 772 | for (k = 0; k < pScreen->numVisuals; k++) { | |||
| 773 | VisualPtr candidate = &pScreen->visuals[k]; | |||
| 774 | ||||
| 775 | if ((*XineramaVisualsEqualPtr) (pVisual, pScreen, candidate) | |||
| 776 | #ifdef GLXPROXY | |||
| 777 | && glxMatchVisual(screenInfo.screens[0], pVisual, pScreen) | |||
| 778 | #endif | |||
| 779 | ) { | |||
| 780 | found = TRUE1; | |||
| 781 | break; | |||
| 782 | } | |||
| 783 | } | |||
| 784 | ||||
| 785 | if (!found) | |||
| 786 | return; | |||
| 787 | } | |||
| 788 | ||||
| 789 | /* found a matching visual on all screens, add it to the subset list */ | |||
| 790 | j = PanoramiXNumVisuals; | |||
| 791 | PanoramiXNumVisuals++; | |||
| 792 | PanoramiXVisuals = realloc(PanoramiXVisuals, | |||
| 793 | PanoramiXNumVisuals * sizeof(VisualRec)); | |||
| 794 | ||||
| 795 | memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec))__builtin___memcpy_chk (&PanoramiXVisuals[j], pVisual, sizeof (VisualRec), __builtin_object_size (&PanoramiXVisuals[j], 0)); | |||
| 796 | ||||
| 797 | for (k = 0; k < PanoramiXNumDepths; k++) { | |||
| 798 | if (PanoramiXDepths[k].depth == pVisual->nplanes) { | |||
| 799 | PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid; | |||
| 800 | PanoramiXDepths[k].numVids++; | |||
| 801 | break; | |||
| 802 | } | |||
| 803 | } | |||
| 804 | } | |||
| 805 | ||||
| 806 | extern void | |||
| 807 | PanoramiXConsolidate(void) | |||
| 808 | { | |||
| 809 | int i; | |||
| 810 | PanoramiXRes *root, *defmap, *saver; | |||
| 811 | ScreenPtr pScreen = screenInfo.screens[0]; | |||
| 812 | DepthPtr pDepth = pScreen->allowedDepths; | |||
| 813 | VisualPtr pVisual = pScreen->visuals; | |||
| 814 | ||||
| 815 | PanoramiXNumDepths = 0; | |||
| 816 | PanoramiXNumVisuals = 0; | |||
| 817 | ||||
| 818 | for (i = 0; i < pScreen->numDepths; i++) | |||
| 819 | PanoramiXMaybeAddDepth(pDepth++); | |||
| 820 | ||||
| 821 | for (i = 0; i < pScreen->numVisuals; i++) | |||
| 822 | PanoramiXMaybeAddVisual(pVisual++); | |||
| 823 | ||||
| 824 | root = malloc(sizeof(PanoramiXRes)); | |||
| 825 | root->type = XRT_WINDOW; | |||
| 826 | defmap = malloc(sizeof(PanoramiXRes)); | |||
| 827 | defmap->type = XRT_COLORMAP; | |||
| 828 | saver = malloc(sizeof(PanoramiXRes)); | |||
| 829 | saver->type = XRT_WINDOW; | |||
| 830 | ||||
| 831 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 832 | ScreenPtr scr = screenInfo.screens[i]; | |||
| 833 | ||||
| 834 | root->info[i].id = scr->root->drawable.id; | |||
| 835 | root->u.win.class = InputOutput1; | |||
| 836 | root->u.win.root = TRUE1; | |||
| 837 | saver->info[i].id = scr->screensaver.wid; | |||
| 838 | saver->u.win.class = InputOutput1; | |||
| 839 | saver->u.win.root = TRUE1; | |||
| 840 | defmap->info[i].id = scr->defColormap; | |||
| 841 | } | |||
| 842 | ||||
| 843 | AddResourceDarwin_X_AddResource(root->info[0].id, XRT_WINDOW, root); | |||
| 844 | AddResourceDarwin_X_AddResource(saver->info[0].id, XRT_WINDOW, saver); | |||
| 845 | AddResourceDarwin_X_AddResource(defmap->info[0].id, XRT_COLORMAP, defmap); | |||
| 846 | } | |||
| 847 | ||||
| 848 | VisualID | |||
| 849 | PanoramiXTranslateVisualID(int screen, VisualID orig) | |||
| 850 | { | |||
| 851 | ScreenPtr pOtherScreen = screenInfo.screens[screen]; | |||
| 852 | VisualPtr pVisual = NULL((void*)0); | |||
| 853 | int i; | |||
| 854 | ||||
| 855 | for (i = 0; i < PanoramiXNumVisuals; i++) { | |||
| 856 | if (orig == PanoramiXVisuals[i].vid) { | |||
| 857 | pVisual = &PanoramiXVisuals[i]; | |||
| 858 | break; | |||
| 859 | } | |||
| 860 | } | |||
| 861 | ||||
| 862 | if (!pVisual) | |||
| 863 | return 0; | |||
| 864 | ||||
| 865 | /* if screen is 0, orig is already the correct visual ID */ | |||
| 866 | if (screen == 0) | |||
| 867 | return orig; | |||
| 868 | ||||
| 869 | /* found the original, now translate it relative to the backend screen */ | |||
| 870 | for (i = 0; i < pOtherScreen->numVisuals; i++) { | |||
| 871 | VisualPtr pOtherVisual = &pOtherScreen->visuals[i]; | |||
| 872 | ||||
| 873 | if ((*XineramaVisualsEqualPtr) (pVisual, pOtherScreen, pOtherVisual)) | |||
| 874 | return pOtherVisual->vid; | |||
| 875 | } | |||
| 876 | ||||
| 877 | return 0; | |||
| 878 | } | |||
| 879 | ||||
| 880 | /* | |||
| 881 | * PanoramiXResetProc() | |||
| 882 | * Exit, deallocating as needed. | |||
| 883 | */ | |||
| 884 | ||||
| 885 | static void | |||
| 886 | PanoramiXResetProc(ExtensionEntry * extEntry) | |||
| 887 | { | |||
| 888 | int i; | |||
| 889 | ||||
| 890 | PanoramiXRenderReset(); | |||
| 891 | PanoramiXFixesReset(); | |||
| 892 | PanoramiXDamageReset(); | |||
| 893 | #ifdef COMPOSITE | |||
| 894 | PanoramiXCompositeReset (); | |||
| 895 | #endif | |||
| 896 | screenInfo.numScreens = PanoramiXNumScreens; | |||
| 897 | for (i = 256; i--;) | |||
| 898 | ProcVector[i] = SavedProcVector[i]; | |||
| 899 | } | |||
| 900 | ||||
| 901 | int | |||
| 902 | ProcPanoramiXQueryVersion(ClientPtr client) | |||
| 903 | { | |||
| 904 | /* REQUEST(xPanoramiXQueryVersionReq); */ | |||
| 905 | xPanoramiXQueryVersionReply rep = { | |||
| 906 | .type = X_Reply1, | |||
| 907 | .sequenceNumber = client->sequence, | |||
| 908 | .length = 0, | |||
| 909 | .majorVersion = SERVER_PANORAMIX_MAJOR_VERSION1, | |||
| 910 | .minorVersion = SERVER_PANORAMIX_MINOR_VERSION1 | |||
| 911 | }; | |||
| 912 | ||||
| 913 | REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq)if ((sizeof(xPanoramiXQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
| 914 | if (client->swapped) { | |||
| 915 | 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); | |||
| 916 | 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); | |||
| 917 | swaps(&rep.majorVersion)do { if (sizeof(*(&rep.majorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.majorVersion) & 1) && ((uintptr_t)(&rep.majorVersion) & 1) == 0) *(&rep.majorVersion) = lswaps(*(&rep.majorVersion )); else swap_uint16((uint16_t *)(&rep.majorVersion)); } while (0); | |||
| 918 | swaps(&rep.minorVersion)do { if (sizeof(*(&rep.minorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.minorVersion) & 1) && ((uintptr_t)(&rep.minorVersion) & 1) == 0) *(&rep.minorVersion) = lswaps(*(&rep.minorVersion )); else swap_uint16((uint16_t *)(&rep.minorVersion)); } while (0); | |||
| 919 | } | |||
| 920 | WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), &rep); | |||
| 921 | return Success0; | |||
| 922 | } | |||
| 923 | ||||
| 924 | int | |||
| 925 | ProcPanoramiXGetState(ClientPtr client) | |||
| 926 | { | |||
| 927 | REQUEST(xPanoramiXGetStateReq)xPanoramiXGetStateReq *stuff = (xPanoramiXGetStateReq *)client ->requestBuffer; | |||
| 928 | WindowPtr pWin; | |||
| 929 | xPanoramiXGetStateReply rep; | |||
| 930 | int rc; | |||
| 931 | ||||
| 932 | REQUEST_SIZE_MATCH(xPanoramiXGetStateReq)if ((sizeof(xPanoramiXGetStateReq) >> 2) != client-> req_len) return(16); | |||
| 933 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
| 934 | if (rc != Success0) | |||
| 935 | return rc; | |||
| 936 | ||||
| 937 | rep = (xPanoramiXGetStateReply) { | |||
| 938 | .type = X_Reply1, | |||
| 939 | .state = !noPanoramiXExtension, | |||
| 940 | .sequenceNumber = client->sequence, | |||
| 941 | .length = 0, | |||
| 942 | .window = stuff->window | |||
| 943 | }; | |||
| 944 | if (client->swapped) { | |||
| 945 | 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); | |||
| 946 | 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); | |||
| 947 | swapl(&rep.window)do { if (sizeof(*(&rep.window)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.window) & 3) && ((uintptr_t )(&rep.window) & 3) == 0) *(&rep.window) = lswapl (*(&rep.window)); else swap_uint32((uint32_t *)(&rep. window)); } while (0); | |||
| 948 | } | |||
| 949 | WriteToClient(client, sizeof(xPanoramiXGetStateReply), &rep); | |||
| 950 | return Success0; | |||
| 951 | ||||
| 952 | } | |||
| 953 | ||||
| 954 | int | |||
| 955 | ProcPanoramiXGetScreenCount(ClientPtr client) | |||
| 956 | { | |||
| 957 | REQUEST(xPanoramiXGetScreenCountReq)xPanoramiXGetScreenCountReq *stuff = (xPanoramiXGetScreenCountReq *)client->requestBuffer; | |||
| 958 | WindowPtr pWin; | |||
| 959 | xPanoramiXGetScreenCountReply rep; | |||
| 960 | int rc; | |||
| 961 | ||||
| 962 | REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq)if ((sizeof(xPanoramiXGetScreenCountReq) >> 2) != client ->req_len) return(16); | |||
| 963 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
| 964 | if (rc != Success0) | |||
| 965 | return rc; | |||
| 966 | ||||
| 967 | rep = (xPanoramiXGetScreenCountReply) { | |||
| 968 | .type = X_Reply1, | |||
| 969 | .ScreenCount = PanoramiXNumScreens, | |||
| 970 | .sequenceNumber = client->sequence, | |||
| 971 | .length = 0, | |||
| 972 | .window = stuff->window | |||
| 973 | }; | |||
| 974 | if (client->swapped) { | |||
| 975 | 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); | |||
| 976 | 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); | |||
| 977 | swapl(&rep.window)do { if (sizeof(*(&rep.window)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.window) & 3) && ((uintptr_t )(&rep.window) & 3) == 0) *(&rep.window) = lswapl (*(&rep.window)); else swap_uint32((uint32_t *)(&rep. window)); } while (0); | |||
| 978 | } | |||
| 979 | WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), &rep); | |||
| 980 | return Success0; | |||
| 981 | } | |||
| 982 | ||||
| 983 | int | |||
| 984 | ProcPanoramiXGetScreenSize(ClientPtr client) | |||
| 985 | { | |||
| 986 | REQUEST(xPanoramiXGetScreenSizeReq)xPanoramiXGetScreenSizeReq *stuff = (xPanoramiXGetScreenSizeReq *)client->requestBuffer; | |||
| 987 | WindowPtr pWin; | |||
| 988 | xPanoramiXGetScreenSizeReply rep; | |||
| 989 | int rc; | |||
| 990 | ||||
| 991 | if (stuff->screen >= PanoramiXNumScreens) | |||
| 992 | return BadMatch8; | |||
| 993 | ||||
| 994 | REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq)if ((sizeof(xPanoramiXGetScreenSizeReq) >> 2) != client ->req_len) return(16); | |||
| 995 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); | |||
| 996 | if (rc != Success0) | |||
| 997 | return rc; | |||
| 998 | ||||
| 999 | rep = (xPanoramiXGetScreenSizeReply) { | |||
| 1000 | .type = X_Reply1, | |||
| 1001 | .sequenceNumber = client->sequence, | |||
| 1002 | .length = 0, | |||
| 1003 | /* screen dimensions */ | |||
| 1004 | .width = screenInfo.screens[stuff->screen]->width, | |||
| 1005 | .height = screenInfo.screens[stuff->screen]->height, | |||
| 1006 | .window = stuff->window, | |||
| 1007 | .screen = stuff->screen | |||
| 1008 | }; | |||
| 1009 | if (client->swapped) { | |||
| 1010 | 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); | |||
| 1011 | 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); | |||
| 1012 | swapl(&rep.width)do { if (sizeof(*(&rep.width)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.width) & 3) && ((uintptr_t) (&rep.width) & 3) == 0) *(&rep.width) = lswapl(*( &rep.width)); else swap_uint32((uint32_t *)(&rep.width )); } while (0); | |||
| 1013 | swapl(&rep.height)do { if (sizeof(*(&rep.height)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.height) & 3) && ((uintptr_t )(&rep.height) & 3) == 0) *(&rep.height) = lswapl (*(&rep.height)); else swap_uint32((uint32_t *)(&rep. height)); } while (0); | |||
| 1014 | swapl(&rep.window)do { if (sizeof(*(&rep.window)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.window) & 3) && ((uintptr_t )(&rep.window) & 3) == 0) *(&rep.window) = lswapl (*(&rep.window)); else swap_uint32((uint32_t *)(&rep. window)); } while (0); | |||
| 1015 | swapl(&rep.screen)do { if (sizeof(*(&rep.screen)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.screen) & 3) && ((uintptr_t )(&rep.screen) & 3) == 0) *(&rep.screen) = lswapl (*(&rep.screen)); else swap_uint32((uint32_t *)(&rep. screen)); } while (0); | |||
| 1016 | } | |||
| 1017 | WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), &rep); | |||
| 1018 | return Success0; | |||
| 1019 | } | |||
| 1020 | ||||
| 1021 | int | |||
| 1022 | ProcXineramaIsActive(ClientPtr client) | |||
| 1023 | { | |||
| 1024 | /* REQUEST(xXineramaIsActiveReq); */ | |||
| 1025 | xXineramaIsActiveReply rep; | |||
| 1026 | ||||
| 1027 | REQUEST_SIZE_MATCH(xXineramaIsActiveReq)if ((sizeof(xXineramaIsActiveReq) >> 2) != client->req_len ) return(16); | |||
| 1028 | ||||
| 1029 | rep = (xXineramaIsActiveReply) { | |||
| 1030 | .type = X_Reply1, | |||
| 1031 | .sequenceNumber = client->sequence, | |||
| 1032 | .length = 0, | |||
| 1033 | #if 1 | |||
| 1034 | /* The following hack fools clients into thinking that Xinerama | |||
| 1035 | * is disabled even though it is not. */ | |||
| 1036 | .state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack | |||
| 1037 | #else | |||
| 1038 | .state = !noPanoramiXExtension; | |||
| 1039 | #endif | |||
| 1040 | }; | |||
| 1041 | if (client->swapped) { | |||
| 1042 | 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); | |||
| 1043 | 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); | |||
| 1044 | swapl(&rep.state)do { if (sizeof(*(&rep.state)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.state) & 3) && ((uintptr_t) (&rep.state) & 3) == 0) *(&rep.state) = lswapl(*( &rep.state)); else swap_uint32((uint32_t *)(&rep.state )); } while (0); | |||
| 1045 | } | |||
| 1046 | WriteToClient(client, sizeof(xXineramaIsActiveReply), &rep); | |||
| 1047 | return Success0; | |||
| 1048 | } | |||
| 1049 | ||||
| 1050 | int | |||
| 1051 | ProcXineramaQueryScreens(ClientPtr client) | |||
| 1052 | { | |||
| 1053 | /* REQUEST(xXineramaQueryScreensReq); */ | |||
| 1054 | CARD32 number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens; | |||
| 1055 | xXineramaQueryScreensReply rep = { | |||
| 1056 | .type = X_Reply1, | |||
| 1057 | .sequenceNumber = client->sequence, | |||
| 1058 | .length = bytes_to_int32(number * sz_XineramaScreenInfo8), | |||
| 1059 | .number = number | |||
| 1060 | }; | |||
| 1061 | ||||
| 1062 | REQUEST_SIZE_MATCH(xXineramaQueryScreensReq)if ((sizeof(xXineramaQueryScreensReq) >> 2) != client-> req_len) return(16); | |||
| 1063 | ||||
| 1064 | if (client->swapped) { | |||
| 1065 | 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); | |||
| 1066 | 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); | |||
| 1067 | swapl(&rep.number)do { if (sizeof(*(&rep.number)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.number) & 3) && ((uintptr_t )(&rep.number) & 3) == 0) *(&rep.number) = lswapl (*(&rep.number)); else swap_uint32((uint32_t *)(&rep. number)); } while (0); | |||
| 1068 | } | |||
| 1069 | WriteToClient(client, sizeof(xXineramaQueryScreensReply), &rep); | |||
| 1070 | ||||
| 1071 | if (!noPanoramiXExtension) { | |||
| 1072 | xXineramaScreenInfo scratch; | |||
| 1073 | int i; | |||
| 1074 | ||||
| 1075 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 1076 | scratch.x_org = screenInfo.screens[i]->x; | |||
| 1077 | scratch.y_org = screenInfo.screens[i]->y; | |||
| 1078 | scratch.width = screenInfo.screens[i]->width; | |||
| 1079 | scratch.height = screenInfo.screens[i]->height; | |||
| 1080 | ||||
| 1081 | if (client->swapped) { | |||
| 1082 | swaps(&scratch.x_org)do { if (sizeof(*(&scratch.x_org)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.x_org) & 1 ) && ((uintptr_t)(&scratch.x_org) & 1) == 0) * (&scratch.x_org) = lswaps(*(&scratch.x_org)); else swap_uint16 ((uint16_t *)(&scratch.x_org)); } while (0); | |||
| 1083 | swaps(&scratch.y_org)do { if (sizeof(*(&scratch.y_org)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.y_org) & 1 ) && ((uintptr_t)(&scratch.y_org) & 1) == 0) * (&scratch.y_org) = lswaps(*(&scratch.y_org)); else swap_uint16 ((uint16_t *)(&scratch.y_org)); } while (0); | |||
| 1084 | swaps(&scratch.width)do { if (sizeof(*(&scratch.width)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.width) & 1 ) && ((uintptr_t)(&scratch.width) & 1) == 0) * (&scratch.width) = lswaps(*(&scratch.width)); else swap_uint16 ((uint16_t *)(&scratch.width)); } while (0); | |||
| 1085 | swaps(&scratch.height)do { if (sizeof(*(&scratch.height)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.height) & 1) && ((uintptr_t)(&scratch.height) & 1) == 0 ) *(&scratch.height) = lswaps(*(&scratch.height)); else swap_uint16((uint16_t *)(&scratch.height)); } while (0); | |||
| 1086 | } | |||
| 1087 | WriteToClient(client, sz_XineramaScreenInfo8, &scratch); | |||
| 1088 | } | |||
| 1089 | } | |||
| 1090 | ||||
| 1091 | return Success0; | |||
| 1092 | } | |||
| 1093 | ||||
| 1094 | static int | |||
| 1095 | ProcPanoramiXDispatch(ClientPtr client) | |||
| 1096 | { | |||
| 1097 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 1098 | switch (stuff->data) { | |||
| 1099 | case X_PanoramiXQueryVersion0: | |||
| 1100 | return ProcPanoramiXQueryVersion(client); | |||
| 1101 | case X_PanoramiXGetState1: | |||
| 1102 | return ProcPanoramiXGetState(client); | |||
| 1103 | case X_PanoramiXGetScreenCount2: | |||
| 1104 | return ProcPanoramiXGetScreenCount(client); | |||
| 1105 | case X_PanoramiXGetScreenSize3: | |||
| 1106 | return ProcPanoramiXGetScreenSize(client); | |||
| 1107 | case X_XineramaIsActive4: | |||
| 1108 | return ProcXineramaIsActive(client); | |||
| 1109 | case X_XineramaQueryScreens5: | |||
| 1110 | return ProcXineramaQueryScreens(client); | |||
| 1111 | } | |||
| 1112 | return BadRequest1; | |||
| 1113 | } | |||
| 1114 | ||||
| 1115 | #if X_BYTE_ORDER1234 == X_LITTLE_ENDIAN1234 | |||
| 1116 | #define SHIFT_L(v,s)(v) << (s) (v) << (s) | |||
| 1117 | #define SHIFT_R(v,s)(v) >> (s) (v) >> (s) | |||
| 1118 | #else | |||
| 1119 | #define SHIFT_L(v,s)(v) << (s) (v) >> (s) | |||
| 1120 | #define SHIFT_R(v,s)(v) >> (s) (v) << (s) | |||
| 1121 | #endif | |||
| 1122 | ||||
| 1123 | static void | |||
| 1124 | CopyBits(char *dst, int shiftL, char *src, int bytes) | |||
| 1125 | { | |||
| 1126 | /* Just get it to work. Worry about speed later */ | |||
| 1127 | int shiftR = 8 - shiftL; | |||
| 1128 | ||||
| 1129 | while (bytes--) { | |||
| 1130 | *dst |= SHIFT_L(*src, shiftL)(*src) << (shiftL); | |||
| 1131 | *(dst + 1) |= SHIFT_R(*src, shiftR)(*src) >> (shiftR); | |||
| 1132 | dst++; | |||
| 1133 | src++; | |||
| 1134 | } | |||
| 1135 | } | |||
| 1136 | ||||
| 1137 | /* Caution. This doesn't support 2 and 4 bpp formats. We expect | |||
| 1138 | 1 bpp and planar data to be already cleared when presented | |||
| 1139 | to this function */ | |||
| 1140 | ||||
| 1141 | void | |||
| 1142 | XineramaGetImageData(DrawablePtr *pDrawables, | |||
| 1143 | int left, | |||
| 1144 | int top, | |||
| 1145 | int width, | |||
| 1146 | int height, | |||
| 1147 | unsigned int format, | |||
| 1148 | unsigned long planemask, | |||
| 1149 | char *data, int pitch, Bool isRoot) | |||
| 1150 | { | |||
| 1151 | RegionRec SrcRegion, ScreenRegion, GrabRegion; | |||
| 1152 | BoxRec SrcBox, *pbox; | |||
| 1153 | int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth; | |||
| 1154 | DrawablePtr pDraw = pDrawables[0]; | |||
| 1155 | char *ScratchMem = NULL((void*)0); | |||
| ||||
| 1156 | ||||
| 1157 | size = 0; | |||
| 1158 | ||||
| 1159 | /* find box in logical screen space */ | |||
| 1160 | SrcBox.x1 = left; | |||
| 1161 | SrcBox.y1 = top; | |||
| 1162 | if (!isRoot) { | |||
| 1163 | SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x; | |||
| 1164 | SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y; | |||
| 1165 | } | |||
| 1166 | SrcBox.x2 = SrcBox.x1 + width; | |||
| 1167 | SrcBox.y2 = SrcBox.y1 + height; | |||
| 1168 | ||||
| 1169 | RegionInit(&SrcRegion, &SrcBox, 1); | |||
| 1170 | RegionNull(&GrabRegion); | |||
| 1171 | ||||
| 1172 | depth = (format == XYPixmap1) ? 1 : pDraw->depth; | |||
| 1173 | ||||
| 1174 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
| 1175 | BoxRec TheBox; | |||
| 1176 | ScreenPtr pScreen; | |||
| 1177 | ||||
| 1178 | pDraw = pDrawables[i]; | |||
| 1179 | pScreen = pDraw->pScreen; | |||
| 1180 | ||||
| 1181 | TheBox.x1 = pScreen->x; | |||
| 1182 | TheBox.x2 = TheBox.x1 + pScreen->width; | |||
| 1183 | TheBox.y1 = pScreen->y; | |||
| 1184 | TheBox.y2 = TheBox.y1 + pScreen->height; | |||
| 1185 | ||||
| 1186 | RegionInit(&ScreenRegion, &TheBox, 1); | |||
| 1187 | inOut = RegionContainsRect(&ScreenRegion, &SrcBox); | |||
| 1188 | if (inOut == rgnPART2) | |||
| 1189 | RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion); | |||
| 1190 | RegionUninit(&ScreenRegion); | |||
| 1191 | ||||
| 1192 | if (inOut == rgnIN1) { | |||
| 1193 | (*pScreen->GetImage) (pDraw, | |||
| 1194 | SrcBox.x1 - pDraw->x - | |||
| 1195 | screenInfo.screens[i]->x, | |||
| 1196 | SrcBox.y1 - pDraw->y - | |||
| 1197 | screenInfo.screens[i]->y, width, height, | |||
| 1198 | format, planemask, data); | |||
| 1199 | break; | |||
| 1200 | } | |||
| 1201 | else if (inOut == rgnOUT0) | |||
| 1202 | continue; | |||
| 1203 | ||||
| 1204 | nbox = RegionNumRects(&GrabRegion); | |||
| 1205 | ||||
| 1206 | if (nbox) { | |||
| 1207 | pbox = RegionRects(&GrabRegion); | |||
| 1208 | ||||
| 1209 | while (nbox--) { | |||
| 1210 | w = pbox->x2 - pbox->x1; | |||
| 1211 | h = pbox->y2 - pbox->y1; | |||
| 1212 | ScratchPitch = PixmapBytePad(w, depth)((PixmapWidthPaddingInfo[depth].notPower2 ? (((int)(w) * PixmapWidthPaddingInfo [depth].bytesPerPixel + PixmapWidthPaddingInfo[depth].bytesPerPixel ) >> PixmapWidthPaddingInfo[depth].padBytesLog2) : ((int )((w) + PixmapWidthPaddingInfo[depth].padRoundUp) >> PixmapWidthPaddingInfo [depth].padPixelsLog2)) << PixmapWidthPaddingInfo[depth ].padBytesLog2); | |||
| 1213 | sizeNeeded = ScratchPitch * h; | |||
| 1214 | ||||
| 1215 | if (sizeNeeded > size) { | |||
| 1216 | char *tmpdata = ScratchMem; | |||
| 1217 | ||||
| 1218 | ScratchMem = realloc(ScratchMem, sizeNeeded); | |||
| 1219 | if (ScratchMem) | |||
| 1220 | size = sizeNeeded; | |||
| 1221 | else { | |||
| 1222 | ScratchMem = tmpdata; | |||
| 1223 | break; | |||
| 1224 | } | |||
| 1225 | } | |||
| 1226 | ||||
| 1227 | x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x; | |||
| 1228 | y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y; | |||
| 1229 | ||||
| 1230 | (*pScreen->GetImage) (pDraw, x, y, w, h, | |||
| 1231 | format, planemask, ScratchMem); | |||
| 1232 | ||||
| 1233 | /* copy the memory over */ | |||
| 1234 | ||||
| 1235 | if (depth == 1) { | |||
| 1236 | int k, shift, leftover, index, index2; | |||
| 1237 | ||||
| 1238 | x = pbox->x1 - SrcBox.x1; | |||
| 1239 | y = pbox->y1 - SrcBox.y1; | |||
| 1240 | shift = x & 7; | |||
| 1241 | x >>= 3; | |||
| 1242 | leftover = w & 7; | |||
| 1243 | w >>= 3; | |||
| 1244 | ||||
| 1245 | /* clean up the edge */ | |||
| 1246 | if (leftover) { | |||
| 1247 | int mask = (1 << leftover) - 1; | |||
| 1248 | ||||
| 1249 | for (j = h, k = w; j--; k += ScratchPitch) | |||
| 1250 | ScratchMem[k] &= mask; | |||
| ||||
| 1251 | } | |||
| 1252 | ||||
| 1253 | for (j = 0, index = (pitch * y) + x, index2 = 0; j < h; | |||
| 1254 | j++, index += pitch, index2 += ScratchPitch) { | |||
| 1255 | if (w) { | |||
| 1256 | if (!shift) | |||
| 1257 | memcpy(data + index, ScratchMem + index2, w)__builtin___memcpy_chk (data + index, ScratchMem + index2, w, __builtin_object_size (data + index, 0)); | |||
| 1258 | else | |||
| 1259 | CopyBits(data + index, shift, | |||
| 1260 | ScratchMem + index2, w); | |||
| 1261 | } | |||
| 1262 | ||||
| 1263 | if (leftover) { | |||
| 1264 | data[index + w] |= | |||
| 1265 | SHIFT_L(ScratchMem[index2 + w], shift)(ScratchMem[index2 + w]) << (shift); | |||
| 1266 | if ((shift + leftover) > 8) | |||
| 1267 | data[index + w + 1] |= | |||
| 1268 | SHIFT_R(ScratchMem[index2 + w],(ScratchMem[index2 + w]) >> ((8 - shift)) | |||
| 1269 | (8 - shift))(ScratchMem[index2 + w]) >> ((8 - shift)); | |||
| 1270 | } | |||
| 1271 | } | |||
| 1272 | } | |||
| 1273 | else { | |||
| 1274 | j = BitsPerPixel(depth)(PixmapWidthPaddingInfo[depth].bitsPerPixel) >> 3; | |||
| 1275 | x = (pbox->x1 - SrcBox.x1) * j; | |||
| 1276 | y = pbox->y1 - SrcBox.y1; | |||
| 1277 | w *= j; | |||
| 1278 | ||||
| 1279 | for (j = 0; j < h; j++) { | |||
| 1280 | memcpy(data + (pitch * (y + j)) + x,__builtin___memcpy_chk (data + (pitch * (y + j)) + x, ScratchMem + (ScratchPitch * j), w, __builtin_object_size (data + (pitch * (y + j)) + x, 0)) | |||
| 1281 | ScratchMem + (ScratchPitch * j), w)__builtin___memcpy_chk (data + (pitch * (y + j)) + x, ScratchMem + (ScratchPitch * j), w, __builtin_object_size (data + (pitch * (y + j)) + x, 0)); | |||
| 1282 | } | |||
| 1283 | } | |||
| 1284 | pbox++; | |||
| 1285 | } | |||
| 1286 | ||||
| 1287 | RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion); | |||
| 1288 | if (!RegionNotEmpty(&SrcRegion)) | |||
| 1289 | break; | |||
| 1290 | } | |||
| 1291 | ||||
| 1292 | } | |||
| 1293 | ||||
| 1294 | free(ScratchMem); | |||
| 1295 | ||||
| 1296 | RegionUninit(&SrcRegion); | |||
| 1297 | RegionUninit(&GrabRegion); | |||
| 1298 | } |