hw/xfree86/common/xf86.h

   1 /*
   2  * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Except as contained in this notice, the name of the copyright holder(s)
  23  * and author(s) shall not be used in advertising or otherwise to promote
  24  * the sale, use or other dealings in this Software without prior written
  25  * authorization from the copyright holder(s) and author(s).
  26  */
  27
  28 /*
  29  * This file contains declarations for public XFree86 functions and variables,
  30  * and definitions of public macros.
  31  *
  32  * "public" means available to video drivers.
  33  */
  34
  35 #ifndef _XF86_H
  36 #define _XF86_H
  37
  38 #if HAVE_XORG_CONFIG_H
  39 #include <xorg-config.h>
  40 #elif HAVE_DIX_CONFIG_H
  41 #include <dix-config.h>
  42 #endif
  43
  44 #include "xf86str.h"
  45 #include "xf86Opt.h"
  46 #include <X11/Xfuncproto.h>
  47 #include <stdarg.h>
  48 #ifdef RANDR
  49 #include <X11/extensions/randr.h>
  50 #endif
  51
  52 #include "propertyst.h"
  53
  54 /* General parameters */
  55 extern _X_EXPORT int xf86DoConfigure;
  56 extern _X_EXPORT int xf86DoShowOptions;
  57 extern _X_EXPORT Bool xf86DoConfigurePass1;
  58 extern _X_EXPORT Bool xorgHWAccess;
  59
  60 extern _X_EXPORT DevPrivateKeyRec xf86ScreenKeyRec;
  61
  62 #define xf86ScreenKey (&xf86ScreenKeyRec)
  63
  64 extern _X_EXPORT DevPrivateKeyRec xf86CreateRootWindowKeyRec;
  65
  66 #define xf86CreateRootWindowKey (&xf86CreateRootWindowKeyRec)
  67
  68 extern _X_EXPORT ScrnInfoPtr *xf86Screens;      /* List of pointers to ScrnInfoRecs */
  69 extern _X_EXPORT const unsigned char byte_reversed[256];
  70 extern _X_EXPORT Bool fbSlotClaimed;
  71
  72 #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
  73 extern _X_EXPORT Bool sbusSlotClaimed;
  74 #endif
  75
  76 #if defined(XSERVER_PLATFORM_BUS)
  77 extern _X_EXPORT int platformSlotClaimed;
  78 #endif
  79
  80 extern _X_EXPORT confDRIRec xf86ConfigDRI;
  81 extern _X_EXPORT Bool xf86DRI2Enabled(void);
  82
  83 extern _X_EXPORT Bool VTSwitchEnabled;  /* kbd driver */
  84
  85 #define XF86SCRNINFO(p) xf86ScreenToScrn(p)
  86
  87 #define XF86FLIP_PIXELS() \
  88         do { \
  89             if (xf86GetFlipPixels()) { \
  90                 pScreen->whitePixel = (pScreen->whitePixel) ? 0 : 1; \
  91                 pScreen->blackPixel = (pScreen->blackPixel) ? 0 : 1; \
  92            } \
  93         while (0)
  94
  95 #define BOOLTOSTRING(b) ((b) ? "TRUE" : "FALSE")
  96
  97 #define PIX24TOBPP(p) (((p) == Pix24Use24) ? 24 : \
  98                         (((p) == Pix24Use32) ? 32 : 0))
  99
 100 /* Function Prototypes */
 101 #ifndef _NO_XF86_PROTOTYPES
 102
 103 /* PCI related */
 104 #ifdef XSERVER_LIBPCIACCESS
 105 #include <pciaccess.h>
 106 extern _X_EXPORT int pciSlotClaimed;
 107
 108 extern _X_EXPORT Bool xf86CheckPciSlot(const struct pci_device *);
 109 extern _X_EXPORT int xf86ClaimPciSlot(struct pci_device *, DriverPtr drvp,
 110                                       int chipset, GDevPtr dev, Bool active);
 111 extern _X_EXPORT void xf86UnclaimPciSlot(struct pci_device *, GDevPtr dev);
 112 extern _X_EXPORT Bool xf86ParsePciBusString(const char *busID, int *bus,
 113                                             int *device, int *func);
 114 extern _X_EXPORT Bool xf86ComparePciBusString(const char *busID, int bus,
 115                                               int device, int func);
 116 extern _X_EXPORT Bool xf86IsPrimaryPci(struct pci_device *pPci);
 117 extern _X_EXPORT Bool xf86CheckPciMemBase(struct pci_device *pPci,
 118                                           memType base);
 119 extern _X_EXPORT struct pci_device *xf86GetPciInfoForEntity(int entityIndex);
 120 extern _X_EXPORT int xf86MatchPciInstances(const char *driverName,
 121                                            int vendorID, SymTabPtr chipsets,
 122                                            PciChipsets * PCIchipsets,
 123                                            GDevPtr * devList, int numDevs,
 124                                            DriverPtr drvp, int **foundEntities);
 125 extern _X_EXPORT ScrnInfoPtr xf86ConfigPciEntity(ScrnInfoPtr pScrn,
 126                                                  int scrnFlag, int entityIndex,
 127                                                  PciChipsets * p_chip,
 128                                                  void *dummy, EntityProc init,
 129                                                  EntityProc enter,
 130                                                  EntityProc leave,
 131                                                  pointer private);
 132 /* Obsolete! don't use */
 133 extern _X_EXPORT Bool xf86ConfigActivePciEntity(ScrnInfoPtr pScrn,
 134                                                 int entityIndex,
 135                                                 PciChipsets * p_chip,
 136                                                 void *dummy, EntityProc init,
 137                                                 EntityProc enter,
 138                                                 EntityProc leave,
 139                                                 pointer private);
 140 #else
 141 #define xf86VGAarbiterInit() do {} while (0)
 142 #define xf86VGAarbiterFini() do {} while (0)
 143 #define xf86VGAarbiterLock(x) do {} while (0)
 144 #define xf86VGAarbiterUnlock(x) do {} while (0)
 145 #define xf86VGAarbiterScrnInit(x) do {} while (0)
 146 #define xf86VGAarbiterDeviceDecodes() do {} while (0)
 147 #define xf86VGAarbiterWrapFunctions() do {} while (0)
 148 #endif
 149
 150 /* xf86Bus.c */
 151
 152 extern _X_EXPORT int xf86GetFbInfoForScreen(int scrnIndex);
 153 extern _X_EXPORT int xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev,
 154                                      Bool active);
 155 extern _X_EXPORT int xf86ClaimNoSlot(DriverPtr drvp, int chipset, GDevPtr dev,
 156                                      Bool active);
 157 extern _X_EXPORT Bool xf86DriverHasEntities(DriverPtr drvp);
 158 extern _X_EXPORT void xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex);
 159 extern _X_EXPORT void xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn,
 160                                                      int entityIndex,
 161                                                      int instance);
 162 extern _X_EXPORT int xf86GetNumEntityInstances(int entityIndex);
 163 extern _X_EXPORT GDevPtr xf86GetDevFromEntity(int entityIndex, int instance);
 164 extern _X_EXPORT void xf86RemoveEntityFromScreen(ScrnInfoPtr pScrn,
 165                                                  int entityIndex);
 166 extern _X_EXPORT EntityInfoPtr xf86GetEntityInfo(int entityIndex);
 167 extern _X_EXPORT Bool xf86SetEntityFuncs(int entityIndex, EntityProc init,
 168                                          EntityProc enter, EntityProc leave,
 169                                          pointer);
 170 extern _X_EXPORT Bool xf86IsEntityPrimary(int entityIndex);
 171 extern _X_EXPORT ScrnInfoPtr xf86FindScreenForEntity(int entityIndex);
 172
 173 extern _X_EXPORT int xf86GetLastScrnFlag(int entityIndex);
 174 extern _X_EXPORT void xf86SetLastScrnFlag(int entityIndex, int scrnIndex);
 175 extern _X_EXPORT Bool xf86IsEntityShared(int entityIndex);
 176 extern _X_EXPORT void xf86SetEntityShared(int entityIndex);
 177 extern _X_EXPORT Bool xf86IsEntitySharable(int entityIndex);
 178 extern _X_EXPORT void xf86SetEntitySharable(int entityIndex);
 179 extern _X_EXPORT Bool xf86IsPrimInitDone(int entityIndex);
 180 extern _X_EXPORT void xf86SetPrimInitDone(int entityIndex);
 181 extern _X_EXPORT void xf86ClearPrimInitDone(int entityIndex);
 182 extern _X_EXPORT int xf86AllocateEntityPrivateIndex(void);
 183 extern _X_EXPORT DevUnion *xf86GetEntityPrivate(int entityIndex, int privIndex);
 184
 185 /* xf86Configure.c */
 186 extern _X_EXPORT GDevPtr xf86AddBusDeviceToConfigure(const char *driver,
 187                                                      BusType bus, void *busData,
 188                                                      int chipset);
 189
 190 /* xf86Cursor.c */
 191
 192 extern _X_EXPORT void xf86LockZoom(ScreenPtr pScreen, int lock);
 193 extern _X_EXPORT void xf86InitViewport(ScrnInfoPtr pScr);
 194 extern _X_EXPORT void xf86SetViewport(ScreenPtr pScreen, int x, int y);
 195 extern _X_EXPORT void xf86ZoomViewport(ScreenPtr pScreen, int zoom);
 196 extern _X_EXPORT Bool xf86SwitchMode(ScreenPtr pScreen, DisplayModePtr mode);
 197 extern _X_EXPORT void *xf86GetPointerScreenFuncs(void);
 198 extern _X_EXPORT void xf86InitOrigins(void);
 199 extern _X_EXPORT void xf86ReconfigureLayout(void);
 200
 201 /* xf86DPMS.c */
 202
 203 extern _X_EXPORT Bool xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set,
 204                                    int flags);
 205
 206 #ifdef DPMSExtension
 207 extern _X_EXPORT int DPMSSet(ClientPtr client, int level);
 208 extern _X_EXPORT Bool DPMSSupported(void);
 209 #endif
 210
 211 /* xf86DGA.c */
 212
 213 #ifdef XFreeXDGA
 214 extern _X_EXPORT Bool DGAInit(ScreenPtr pScreen, DGAFunctionPtr funcs,
 215                               DGAModePtr modes, int num);
 216 extern _X_EXPORT Bool DGAReInitModes(ScreenPtr pScreen, DGAModePtr modes,
 217                                      int num);
 218 extern _X_EXPORT xf86SetDGAModeProc xf86SetDGAMode;
 219 #endif
 220
 221 /* xf86Events.c */
 222
 223 extern _X_EXPORT void SetTimeSinceLastInputEvent(void);
 224 extern _X_EXPORT pointer xf86AddInputHandler(int fd, InputHandlerProc proc,
 225                                              pointer data);
 226 extern _X_EXPORT int xf86RemoveInputHandler(pointer handler);
 227 extern _X_EXPORT void xf86DisableInputHandler(pointer handler);
 228 extern _X_EXPORT void xf86EnableInputHandler(pointer handler);
 229 extern _X_EXPORT pointer xf86AddGeneralHandler(int fd, InputHandlerProc proc,
 230                                                pointer data);
 231 extern _X_EXPORT int xf86RemoveGeneralHandler(pointer handler);
 232 extern _X_EXPORT void xf86DisableGeneralHandler(pointer handler);
 233 extern _X_EXPORT void xf86EnableGeneralHandler(pointer handler);
 234 extern _X_EXPORT InputHandlerProc xf86SetConsoleHandler(InputHandlerProc
 235                                                         handler, pointer data);
 236 extern _X_EXPORT void xf86InterceptSignals(int *signo);
 237 extern _X_EXPORT void xf86InterceptSigIll(void (*sigillhandler) (void));
 238 extern _X_EXPORT Bool xf86EnableVTSwitch(Bool new);
 239 extern _X_EXPORT void xf86ProcessActionEvent(ActionEvent action, void *arg);
 240 extern _X_EXPORT void xf86PrintBacktrace(void);
 241 extern _X_EXPORT Bool xf86VTOwner(void);
 242
 243 /* xf86Helper.c */
 244
 245 extern _X_EXPORT void xf86AddDriver(DriverPtr driver, pointer module,
 246                                     int flags);
 247 extern _X_EXPORT void xf86DeleteDriver(int drvIndex);
 248 extern _X_EXPORT ScrnInfoPtr xf86AllocateScreen(DriverPtr drv, int flags);
 249 extern _X_EXPORT void xf86DeleteScreen(ScrnInfoPtr pScrn);
 250 extern _X_EXPORT int xf86AllocateScrnInfoPrivateIndex(void);
 251 extern _X_EXPORT Bool xf86AddPixFormat(ScrnInfoPtr pScrn, int depth, int bpp,
 252                                        int pad);
 253 extern _X_EXPORT Bool xf86SetDepthBpp(ScrnInfoPtr scrp, int depth, int bpp,
 254                                       int fbbpp, int depth24flags);
 255 extern _X_EXPORT void xf86PrintDepthBpp(ScrnInfoPtr scrp);
 256 extern _X_EXPORT Bool xf86SetWeight(ScrnInfoPtr scrp, rgb weight, rgb mask);
 257 extern _X_EXPORT Bool xf86SetDefaultVisual(ScrnInfoPtr scrp, int visual);
 258 extern _X_EXPORT Bool xf86SetGamma(ScrnInfoPtr scrp, Gamma newGamma);
 259 extern _X_EXPORT void xf86SetDpi(ScrnInfoPtr pScrn, int x, int y);
 260 extern _X_EXPORT void xf86SetBlackWhitePixels(ScreenPtr pScreen);
 261 extern _X_EXPORT void xf86EnableDisableFBAccess(ScrnInfoPtr pScrn, Bool enable);
 262 extern _X_EXPORT void
 263 xf86VDrvMsgVerb(int scrnIndex, MessageType type, int verb,
 264                 const char *format, va_list args)
 265 _X_ATTRIBUTE_PRINTF(4, 0);
 266 extern _X_EXPORT void
 267 xf86DrvMsgVerb(int scrnIndex, MessageType type, int verb,
 268                const char *format, ...)
 269 _X_ATTRIBUTE_PRINTF(4, 5);
 270 extern _X_EXPORT void
 271 xf86DrvMsg(int scrnIndex, MessageType type, const char *format, ...)
 272 _X_ATTRIBUTE_PRINTF(3, 4);
 273 extern _X_EXPORT void
 274 xf86MsgVerb(MessageType type, int verb, const char *format, ...)
 275 _X_ATTRIBUTE_PRINTF(3, 4);
 276 extern _X_EXPORT void
 277 xf86Msg(MessageType type, const char *format, ...)
 278 _X_ATTRIBUTE_PRINTF(2, 3);
 279 extern _X_EXPORT void
 280 xf86ErrorFVerb(int verb, const char *format, ...)
 281 _X_ATTRIBUTE_PRINTF(2, 3);
 282 extern _X_EXPORT void
 283 xf86ErrorF(const char *format, ...)
 284 _X_ATTRIBUTE_PRINTF(1, 2);
 285 extern _X_EXPORT const char *
 286 xf86TokenToString(SymTabPtr table, int token);
 287 extern _X_EXPORT int
 288 xf86StringToToken(SymTabPtr table, const char *string);
 289 extern _X_EXPORT void
 290 xf86ShowClocks(ScrnInfoPtr scrp, MessageType from);
 291 extern _X_EXPORT void
 292 xf86PrintChipsets(const char *drvname, const char *drvmsg, SymTabPtr chips);
 293 extern _X_EXPORT int
 294 xf86MatchDevice(const char *drivername, GDevPtr ** driversectlist);
 295 extern _X_EXPORT const char *
 296 xf86GetVisualName(int visual);
 297 extern _X_EXPORT int
 298 xf86GetVerbosity(void);
 299 extern _X_EXPORT Pix24Flags
 300 xf86GetPix24(void);
 301 extern _X_EXPORT int
 302 xf86GetDepth(void);
 303 extern _X_EXPORT rgb
 304 xf86GetWeight(void);
 305 extern _X_EXPORT Gamma
 306 xf86GetGamma(void);
 307 extern _X_EXPORT Bool
 308 xf86GetFlipPixels(void);
 309 extern _X_EXPORT const char *
 310 xf86GetServerName(void);
 311 extern _X_EXPORT Bool
 312 xf86ServerIsExiting(void);
 313 extern _X_EXPORT Bool
 314 xf86ServerIsResetting(void);
 315 extern _X_EXPORT Bool
 316 xf86ServerIsInitialising(void);
 317 extern _X_EXPORT Bool
 318 xf86ServerIsOnlyDetecting(void);
 319 extern _X_EXPORT Bool
 320 xf86CaughtSignal(void);
 321 extern _X_EXPORT Bool
 322 xf86GetVidModeAllowNonLocal(void);
 323 extern _X_EXPORT Bool
 324 xf86GetVidModeEnabled(void);
 325 extern _X_EXPORT Bool
 326 xf86GetModInDevAllowNonLocal(void);
 327 extern _X_EXPORT Bool
 328 xf86GetModInDevEnabled(void);
 329 extern _X_EXPORT Bool
 330 xf86GetAllowMouseOpenFail(void);
 331 extern _X_EXPORT void
 332 xf86DisableRandR(void);
 333 extern _X_EXPORT CARD32
 334 xorgGetVersion(void);
 335 extern _X_EXPORT CARD32
 336 xf86GetModuleVersion(pointer module);
 337 extern _X_EXPORT pointer
 338 xf86LoadDrvSubModule(DriverPtr drv, const char *name);
 339 extern _X_EXPORT pointer
 340 xf86LoadSubModule(ScrnInfoPtr pScrn, const char *name);
 341 extern _X_EXPORT pointer
 342 xf86LoadOneModule(char *name, pointer optlist);
 343 extern _X_EXPORT void
 344 xf86UnloadSubModule(pointer mod);
 345 extern _X_EXPORT Bool
 346 xf86LoaderCheckSymbol(const char *name);
 347 extern _X_EXPORT void
 348 xf86SetBackingStore(ScreenPtr pScreen);
 349 extern _X_EXPORT void
 350 xf86SetSilkenMouse(ScreenPtr pScreen);
 351 extern _X_EXPORT pointer
 352 xf86FindXvOptions(ScrnInfoPtr pScrn, int adapt_index, char *port_name,
 353                   char **adaptor_name, pointer *adaptor_options);
 354 extern _X_EXPORT void
 355 xf86GetOS(const char **name, int *major, int *minor, int *teeny);
 356 extern _X_EXPORT ScrnInfoPtr
 357 xf86ConfigFbEntity(ScrnInfoPtr pScrn, int scrnFlag,
 358                    int entityIndex, EntityProc init,
 359                    EntityProc enter, EntityProc leave, pointer private);
 360
 361 extern _X_EXPORT Bool
 362 xf86IsScreenPrimary(ScrnInfoPtr pScrn);
 363 extern _X_EXPORT int
 364 xf86RegisterRootWindowProperty(int ScrnIndex, Atom property, Atom type,
 365                                int format, unsigned long len, pointer value);
 366 extern _X_EXPORT Bool
 367 xf86IsUnblank(int mode);
 368
 369 /* xf86Init.c */
 370
 371 extern _X_EXPORT PixmapFormatPtr
 372 xf86GetPixFormat(ScrnInfoPtr pScrn, int depth);
 373 extern _X_EXPORT int
 374 xf86GetBppFromDepth(ScrnInfoPtr pScrn, int depth);
 375
 376 /* xf86Mode.c */
 377
 378 extern _X_EXPORT int
 379 xf86GetNearestClock(ScrnInfoPtr scrp, int freq, Bool allowDiv2,
 380                     int DivFactor, int MulFactor, int *divider);
 381 extern _X_EXPORT const char *
 382 xf86ModeStatusToString(ModeStatus status);
 383 extern _X_EXPORT ModeStatus
 384 xf86LookupMode(ScrnInfoPtr scrp, DisplayModePtr modep,
 385                ClockRangePtr clockRanges, LookupModeFlags strategy);
 386 extern _X_EXPORT ModeStatus
 387 xf86CheckModeForMonitor(DisplayModePtr mode, MonPtr monitor);
 388 extern _X_EXPORT ModeStatus
 389 xf86InitialCheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode,
 390                               ClockRangePtr clockRanges,
 391                               LookupModeFlags strategy,
 392                               int maxPitch, int virtualX, int virtualY);
 393 extern _X_EXPORT ModeStatus
 394 xf86CheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode, int flags);
 395 extern _X_EXPORT int
 396 xf86ValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes,
 397                   char **modeNames, ClockRangePtr clockRanges,
 398                   int *linePitches, int minPitch, int maxPitch,
 399                   int minHeight, int maxHeight, int pitchInc,
 400                   int virtualX, int virtualY, int apertureSize,
 401                   LookupModeFlags strategy);
 402 extern _X_EXPORT void
 403 xf86DeleteMode(DisplayModePtr * modeList, DisplayModePtr mode);
 404 extern _X_EXPORT void
 405 xf86PruneDriverModes(ScrnInfoPtr scrp);
 406 extern _X_EXPORT void
 407 xf86SetCrtcForModes(ScrnInfoPtr scrp, int adjustFlags);
 408 extern _X_EXPORT void
 409 xf86PrintModes(ScrnInfoPtr scrp);
 410 extern _X_EXPORT void
 411 xf86ShowClockRanges(ScrnInfoPtr scrp, ClockRangePtr clockRanges);
 412
 413 /* xf86Option.c */
 414
 415 extern _X_EXPORT void
 416 xf86CollectOptions(ScrnInfoPtr pScrn, XF86OptionPtr extraOpts);
 417
 418 /* xf86RandR.c */
 419 #ifdef RANDR
 420 extern _X_EXPORT Bool
 421 xf86RandRInit(ScreenPtr pScreen);
 422 extern _X_EXPORT Rotation
 423 xf86GetRotation(ScreenPtr pScreen);
 424 extern _X_EXPORT Bool
 425 xf86RandRSetNewVirtualAndDimensions(ScreenPtr pScreen,
 426                                     int newvirtX, int newvirtY,
 427                                     int newmmWidth, int newmmHeight,
 428                                     Bool resetMode);
 429 #endif
 430
 431 /* xf86Extensions.c */
 432 extern void xf86ExtensionInit(void);
 433
 434 /* convert ScreenPtr to ScrnInfoPtr */
 435 extern _X_EXPORT ScrnInfoPtr xf86ScreenToScrn(ScreenPtr pScreen);
 436 /* convert ScrnInfoPtr to ScreenPtr */
 437 extern _X_EXPORT ScreenPtr xf86ScrnToScreen(ScrnInfoPtr pScrn);
 438
 439 #endif                          /* _NO_XF86_PROTOTYPES */
 440
 441 #define XF86_HAS_SCRN_CONV 1 /* define for drivers to use in api compat */
 442
 443 #define XF86_SCRN_INTERFACE 1 /* define for drivers to use in api compat */
 444
 445 /* flags passed to xf86 allocate screen */
 446 #define XF86_ALLOCATE_GPU_SCREEN 1
 447
 448 /* Update the internal total dimensions of all ScreenRecs together */
 449 extern _X_EXPORT void
 450 xf86UpdateDesktopDimensions(void);
 451
 452 #endif                          /* _XF86_H */