static void xf86ReleaseKeys(DeviceIntPtr pDev) { KeyClassPtr keyc; int i, sigstate; if (!pDev || !pDev->key) return; keyc = pDev->key; /* * Hmm... here is the biggest hack of every time ! * It may be possible that a switch-vt procedure has finished BEFORE * you released all keys neccessary to do this. That peculiar behavior * can fool the X-server pretty much, cause it assumes that some keys * were not released. TWM may stuck alsmost completly.... * OK, what we are doing here is after returning from the vt-switch * exeplicitely unrelease all keyboard keys before the input-devices * are reenabled. */ for (i = keyc->xkbInfo->desc->min_key_code; i < keyc->xkbInfo->desc->max_key_code; i++) { if (key_is_down(pDev, i, KEY_POSTED)) { sigstate = xf86BlockSIGIO (); QueueKeyboardEvents(pDev, KeyRelease, i, NULL); xf86UnblockSIGIO(sigstate); } } }
void xf86UDelay(long usec) { #if 0 struct timeval start, interrupt; #else int sigio; sigio = xf86BlockSIGIO(); xf86usleep(usec); xf86UnblockSIGIO(sigio); #endif #if 0 gettimeofday(&start,NULL); do { usleep(usec); gettimeofday(&interrupt,NULL); if ((usec = usec - (interrupt.tv_sec - start.tv_sec) * 1000000 - (interrupt.tv_usec - start.tv_usec)) < 0) break; start = interrupt; } while (1); #endif }
/* ARGSUSED */ static void xf86WarpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y) { int sigstate; sigstate = xf86BlockSIGIO (); miPointerWarpCursor(pDev, pScreen, x, y); xf86Info.currentScreen = pScreen; xf86UnblockSIGIO (sigstate); }
/* ARGSUSED */ void xf86Wakeup(pointer blockData, int err, pointer pReadmask) { fd_set* LastSelectMask = (fd_set*)pReadmask; fd_set devicesWithInput; InputInfoPtr pInfo; if (err >= 0) { XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices); if (XFD_ANYSET(&devicesWithInput)) { pInfo = xf86InputDevs; while (pInfo) { if (pInfo->read_input && pInfo->fd >= 0 && (FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) { int sigstate = xf86BlockSIGIO(); /* * Remove the descriptior from the set because more than one * device may share the same file descriptor. */ FD_CLR(pInfo->fd, &devicesWithInput); pInfo->read_input(pInfo); xf86UnblockSIGIO(sigstate); } pInfo = pInfo->next; } } } if (err >= 0) { /* we don't want the handlers called if select() */ IHPtr ih; /* returned with an error condition, do we? */ for (ih = InputHandlers; ih; ih = ih->next) { if (ih->enabled && ih->fd >= 0 && ih->ihproc && (FD_ISSET(ih->fd, ((fd_set *)pReadmask)) != 0)) { ih->ihproc(ih->fd, ih->data); } } } if (xf86VTSwitchPending()) xf86VTSwitch(); }
xf86MonPtr xf86DoEDID_DDC1( int scrnIndex, void (*DDC1SetSpeed)(ScrnInfoPtr, xf86ddcSpeed), unsigned int (*DDC1Read)(ScrnInfoPtr) ) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; unsigned char *EDID_block = NULL; xf86MonPtr tmp = NULL; int sigio; /* Default DDC and DDC1 to enabled. */ Bool noddc = FALSE, noddc1 = FALSE; OptionInfoPtr options; options = xnfalloc(sizeof(DDCOptions)); (void)memcpy(options, DDCOptions, sizeof(DDCOptions)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, options); xf86GetOptValBool(options, DDCOPT_NODDC, &noddc); xf86GetOptValBool(options, DDCOPT_NODDC1, &noddc1); xfree(options); if (noddc || noddc1) return NULL; sigio = xf86BlockSIGIO(); EDID_block = EDIDRead_DDC1(pScrn,DDC1SetSpeed,DDC1Read); xf86UnblockSIGIO(sigio); if (EDID_block){ tmp = xf86InterpretEDID(scrnIndex,EDID_block); } #ifdef DEBUG else ErrorF("No EDID block returned\n"); if (!tmp) ErrorF("Cannot interpret EDID block\n"); #endif return tmp; }
void AbortDDX(enum ExitCode error) { int i; xf86BlockSIGIO(); /* * try to restore the original video state */ #ifdef DPMSExtension /* Turn screens back on */ if (DPMSPowerLevel != DPMSModeOn) DPMSSet(serverClient, DPMSModeOn); #endif if (xf86Screens) { for (i = 0; i < xf86NumScreens; i++) if (xf86Screens[i]->vtSema) { /* * if we are aborting before ScreenInit() has finished * we might not have been wrapped yet. Therefore enable * screen explicitely. */ xf86VGAarbiterLock(xf86Screens[i]); (xf86Screens[i]->LeaveVT)(i, 0); xf86VGAarbiterUnlock(xf86Screens[i]); } } xf86AccessLeave(); /* * This is needed for an abnormal server exit, since the normal exit stuff * MUST also be performed (i.e. the vt must be left in a defined state) */ ddxGiveUp(error); }
{ -3, 0, 4 }, /* left (right release) -> pressed left */ { -1, 0, 5 }, /* right (left release) -> pressed right */ { 0, 0, 10 }, /* left & right -> pressed both (no change) */ { 0, 0, -1 }, /* timeout N/A */ }, }; int EvdevMBEmuTimer(InputInfoPtr pInfo) { EvdevPtr pEvdev = pInfo->private; int sigstate; int id; sigstate = xf86BlockSIGIO (); pEvdev->emulateMB.pending = FALSE; if ((id = stateTab[pEvdev->emulateMB.state][4][0]) != 0) { EvdevPostButtonEvent(pInfo, abs(id), (id >= 0) ? BUTTON_PRESS : BUTTON_RELEASE); pEvdev->emulateMB.state = stateTab[pEvdev->emulateMB.state][4][2]; } else { xf86IDrvMsg(pInfo, X_ERROR, "Got unexpected buttonTimer in state %d\n", pEvdev->emulateMB.state); } xf86UnblockSIGIO (sigstate); return 0; }
int xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *closure) { struct sigaction sa; struct sigaction osa; int i; int blocked; for (i = 0; i < MAX_FUNCS; i++) { if (!xf86SigIOFuncs[i].f) { if (xf86IsPipe (fd)) return 0; blocked = xf86BlockSIGIO(); if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_ASYNC) == -1) { #ifdef XFree86Server xf86Msg(X_WARNING, "fcntl(%d, O_ASYNC): %s\n", fd, strerror(errno)); #else fprintf(stderr,"fcntl(%d, O_ASYNC): %s\n", fd, strerror(errno)); #endif xf86UnblockSIGIO(blocked); return 0; } if (fcntl(fd, F_SETOWN, getpid()) == -1) { #ifdef XFree86Server xf86Msg(X_WARNING, "fcntl(%d, F_SETOWN): %s\n", fd, strerror(errno)); #else fprintf(stderr,"fcntl(%d, F_SETOWN): %s\n", fd, strerror(errno)); #endif xf86UnblockSIGIO(blocked); return 0; } sigemptyset(&sa.sa_mask); sigaddset(&sa.sa_mask, SIGIO); sa.sa_flags = 0; sa.sa_handler = xf86SIGIO; sigaction(SIGIO, &sa, &osa); xf86SigIOFuncs[i].fd = fd; xf86SigIOFuncs[i].closure = closure; xf86SigIOFuncs[i].f = f; if (i >= xf86SigIOMax) xf86SigIOMax = i+1; if (fd >= xf86SigIOMaxFd) xf86SigIOMaxFd = fd + 1; FD_SET (fd, &xf86SigIOMask); xf86UnblockSIGIO(blocked); return 1; } /* Allow overwriting of the closure and callback */ else if (xf86SigIOFuncs[i].fd == fd) { xf86SigIOFuncs[i].closure = closure; xf86SigIOFuncs[i].f = f; return 1; } } return 0; }
/* * xf86VTSwitch -- * Handle requests for switching the vt. */ static void xf86VTSwitch(void) { int i; static int prevSIGIO; InputInfoPtr pInfo; IHPtr ih; DebugF("xf86VTSwitch()\n"); #ifdef XFreeXDGA if(!DGAVTSwitch()) return; #endif /* * Since all screens are currently all in the same state it is sufficient * check the first. This might change in future. */ if (xf86Screens[0]->vtSema) { DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n", BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE)); #ifdef DPMSExtension if (DPMSPowerLevel != DPMSModeOn) DPMSSet(serverClient, DPMSModeOn); #endif for (i = 0; i < xf86NumScreens; i++) { if (!(dispatchException & DE_TERMINATE)) if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE); } /* * Keep the order: Disable Device > LeaveVT * EnterVT > EnableDevice */ for (ih = InputHandlers; ih; ih = ih->next) xf86DisableInputHandler(ih); for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) { if (pInfo->dev) { xf86ReleaseKeys(pInfo->dev); ProcessInputEvents(); DisableDevice(pInfo->dev, TRUE); } } prevSIGIO = xf86BlockSIGIO(); for (i = 0; i < xf86NumScreens; i++) xf86Screens[i]->LeaveVT(i, 0); xf86AccessLeave(); /* We need this here, otherwise */ if (!xf86VTSwitchAway()) { /* * switch failed */ DebugF("xf86VTSwitch: Leave failed\n"); xf86AccessEnter(); for (i = 0; i < xf86NumScreens; i++) { if (!xf86Screens[i]->EnterVT(i, 0)) FatalError("EnterVT failed for screen %d\n", i); } if (!(dispatchException & DE_TERMINATE)) { for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE); } } dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); pInfo = xf86InputDevs; while (pInfo) { if (pInfo->dev) EnableDevice(pInfo->dev, TRUE); pInfo = pInfo->next; } for (ih = InputHandlers; ih; ih = ih->next) xf86EnableInputHandler(ih); xf86UnblockSIGIO(prevSIGIO); } else { #ifdef XF86PM if (xf86OSPMClose) xf86OSPMClose(); xf86OSPMClose = NULL; #endif for (i = 0; i < xf86NumScreens; i++) { /* * zero all access functions to * trap calls when switched away. */ xf86Screens[i]->vtSema = FALSE; } if (xorgHWAccess) xf86DisableIO(); } } else { DebugF("xf86VTSwitch: Entering\n"); if (!xf86VTSwitchTo()) return; #ifdef XF86PM xf86OSPMClose = xf86OSPMOpen(); #endif if (xorgHWAccess) xf86EnableIO(); xf86AccessEnter(); for (i = 0; i < xf86NumScreens; i++) { xf86Screens[i]->vtSema = TRUE; if (!xf86Screens[i]->EnterVT(i, 0)) FatalError("EnterVT failed for screen %d\n", i); } for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->EnableDisableFBAccess) (*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE); } /* Turn screen saver off when switching back */ dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); pInfo = xf86InputDevs; while (pInfo) { if (pInfo->dev) EnableDevice(pInfo->dev, TRUE); pInfo = pInfo->next; } for (ih = InputHandlers; ih; ih = ih->next) xf86EnableInputHandler(ih); xf86UnblockSIGIO(prevSIGIO); } }
/* * InitOutput -- * Initialize screenInfo for all actually accessible framebuffers. * That includes vt-manager setup, querying all possible devices and * collecting the pixmap formats. */ void InitOutput(ScreenInfo *pScreenInfo, int argc, char **argv) { int i, j, k, scr_index, was_blocked = 0; char **modulelist; pointer *optionlist; Pix24Flags screenpix24, pix24; MessageType pix24From = X_DEFAULT; Bool pix24Fail = FALSE; Bool autoconfig = FALSE; GDevPtr configured_device; xf86Initialising = TRUE; if (serverGeneration == 1) { if ((xf86ServerName = strrchr(argv[0], '/')) != 0) xf86ServerName++; else xf86ServerName = argv[0]; xf86PrintBanner(); xf86PrintMarkers(); if (xf86LogFile) { time_t t; const char *ct; t = time(NULL); ct = ctime(&t); xf86MsgVerb(xf86LogFileFrom, 0, "Log file: \"%s\", Time: %s", xf86LogFile, ct); } /* Read and parse the config file */ if (!xf86DoConfigure && !xf86DoShowOptions) { switch (xf86HandleConfigFile(FALSE)) { case CONFIG_OK: break; case CONFIG_PARSE_ERROR: xf86Msg(X_ERROR, "Error parsing the config file\n"); return; case CONFIG_NOFILE: autoconfig = TRUE; break; } } InstallSignalHandlers(); /* Initialise the loader */ LoaderInit(); /* Tell the loader the default module search path */ LoaderSetPath(xf86ModulePath); if (xf86Info.ignoreABI) { LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL); } if (xf86DoShowOptions) DoShowOptions(); /* Do a general bus probe. This will be a PCI probe for x86 platforms */ xf86BusProbe(); if (xf86DoConfigure) DoConfigure(); if (autoconfig) { if (!xf86AutoConfig()) { xf86Msg(X_ERROR, "Auto configuration failed\n"); return; } } #ifdef XF86PM xf86OSPMClose = xf86OSPMOpen(); #endif /* Load all modules specified explicitly in the config file */ if ((modulelist = xf86ModulelistFromConfig(&optionlist))) { xf86LoadModules(modulelist, optionlist); free(modulelist); free(optionlist); } /* Load all driver modules specified in the config file */ /* If there aren't any specified in the config file, autoconfig them */ /* FIXME: Does not handle multiple active screen sections, but I'm not * sure if we really want to handle that case*/ configured_device = xf86ConfigLayout.screens->screen->device; if ((!configured_device) || (!configured_device->driver)) { if (!autoConfigDevice(configured_device)) { xf86Msg(X_ERROR, "Automatic driver configuration failed\n"); return ; } } if ((modulelist = xf86DriverlistFromConfig())) { xf86LoadModules(modulelist, NULL); free(modulelist); } /* Load all input driver modules specified in the config file. */ if ((modulelist = xf86InputDriverlistFromConfig())) { xf86LoadModules(modulelist, NULL); free(modulelist); } /* * It is expected that xf86AddDriver()/xf86AddInputDriver will be * called for each driver as it is loaded. Those functions save the * module pointers for drivers. * XXX Nothing keeps track of them for other modules. */ /* XXX What do we do if not all of these could be loaded? */ /* * At this point, xf86DriverList[] is all filled in with entries for * each of the drivers to try and xf86NumDrivers has the number of * drivers. If there are none, return now. */ if (xf86NumDrivers == 0) { xf86Msg(X_ERROR, "No drivers available.\n"); return; } /* * Call each of the Identify functions and call the driverFunc to check * if HW access is required. The Identify functions print out some * identifying information, and anything else that might be * needed at this early stage. */ for (i = 0; i < xf86NumDrivers; i++) { if (xf86DriverList[i]->Identify != NULL) xf86DriverList[i]->Identify(0); if (!xorgHWAccess || !xorgHWOpenConsole) { xorgHWFlags flags; if(!xf86DriverList[i]->driverFunc || !xf86DriverList[i]->driverFunc(NULL, GET_REQUIRED_HW_INTERFACES, &flags)) flags = HW_IO; if(NEED_IO_ENABLED(flags)) xorgHWAccess = TRUE; if(!(flags & HW_SKIP_CONSOLE)) xorgHWOpenConsole = TRUE; } } if (xorgHWOpenConsole) xf86OpenConsole(); else xf86Info.dontVTSwitch = TRUE; if (xf86BusConfig() == FALSE) return; xf86PostProbe(); /* * Sort the drivers to match the requested ording. Using a slow * bubble sort. */ for (j = 0; j < xf86NumScreens - 1; j++) { for (i = 0; i < xf86NumScreens - j - 1; i++) { if (xf86Screens[i + 1]->confScreen->screennum < xf86Screens[i]->confScreen->screennum) { ScrnInfoPtr tmpScrn = xf86Screens[i + 1]; xf86Screens[i + 1] = xf86Screens[i]; xf86Screens[i] = tmpScrn; } } } /* Fix up the indexes */ for (i = 0; i < xf86NumScreens; i++) { xf86Screens[i]->scrnIndex = i; } /* * Call the driver's PreInit()'s to complete initialisation for the first * generation. */ for (i = 0; i < xf86NumScreens; i++) { xf86VGAarbiterScrnInit(xf86Screens[i]); xf86VGAarbiterLock(xf86Screens[i]); if (xf86Screens[i]->PreInit && xf86Screens[i]->PreInit(xf86Screens[i], 0)) xf86Screens[i]->configured = TRUE; xf86VGAarbiterUnlock(xf86Screens[i]); } for (i = 0; i < xf86NumScreens; i++) if (!xf86Screens[i]->configured) xf86DeleteScreen(i--, 0); /* * If no screens left, return now. */ if (xf86NumScreens == 0) { xf86Msg(X_ERROR, "Screen(s) found, but none have a usable configuration.\n"); return; } for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->name == NULL) { XNFasprintf(&xf86Screens[i]->name, "screen%d", i); xf86MsgVerb(X_WARNING, 0, "Screen driver %d has no name set, using `%s'.\n", i, xf86Screens[i]->name); } } /* Remove (unload) drivers that are not required */ for (i = 0; i < xf86NumDrivers; i++) if (xf86DriverList[i] && xf86DriverList[i]->refCount <= 0) xf86DeleteDriver(i); /* * At this stage we know how many screens there are. */ for (i = 0; i < xf86NumScreens; i++) xf86InitViewport(xf86Screens[i]); /* * Collect all pixmap formats and check for conflicts at the display * level. Should we die here? Or just delete the offending screens? */ screenpix24 = Pix24DontCare; for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->imageByteOrder != xf86Screens[0]->imageByteOrder) FatalError("Inconsistent display bitmapBitOrder. Exiting\n"); if (xf86Screens[i]->bitmapScanlinePad != xf86Screens[0]->bitmapScanlinePad) FatalError("Inconsistent display bitmapScanlinePad. Exiting\n"); if (xf86Screens[i]->bitmapScanlineUnit != xf86Screens[0]->bitmapScanlineUnit) FatalError("Inconsistent display bitmapScanlineUnit. Exiting\n"); if (xf86Screens[i]->bitmapBitOrder != xf86Screens[0]->bitmapBitOrder) FatalError("Inconsistent display bitmapBitOrder. Exiting\n"); /* Determine the depth 24 pixmap format the screens would like */ if (xf86Screens[i]->pixmap24 != Pix24DontCare) { if (screenpix24 == Pix24DontCare) screenpix24 = xf86Screens[i]->pixmap24; else if (screenpix24 != xf86Screens[i]->pixmap24) FatalError("Inconsistent depth 24 pixmap format. Exiting\n"); } } /* check if screenpix24 is consistent with the config/cmdline */ if (xf86Info.pixmap24 != Pix24DontCare) { pix24 = xf86Info.pixmap24; pix24From = xf86Info.pix24From; if (screenpix24 != Pix24DontCare && screenpix24 != xf86Info.pixmap24) pix24Fail = TRUE; } else if (screenpix24 != Pix24DontCare) { pix24 = screenpix24; pix24From = X_PROBED; } else pix24 = Pix24Use32; if (pix24Fail) FatalError("Screen(s) can't use the required depth 24 pixmap format" " (%d). Exiting\n", PIX24TOBPP(pix24)); /* Initialise the depth 24 format */ for (j = 0; j < numFormats && formats[j].depth != 24; j++) ; formats[j].bitsPerPixel = PIX24TOBPP(pix24); /* Collect additional formats */ for (i = 0; i < xf86NumScreens; i++) { for (j = 0; j < xf86Screens[i]->numFormats; j++) { for (k = 0; ; k++) { if (k >= numFormats) { if (k >= MAXFORMATS) FatalError("Too many pixmap formats! Exiting\n"); formats[k] = xf86Screens[i]->formats[j]; numFormats++; break; } if (formats[k].depth == xf86Screens[i]->formats[j].depth) { if ((formats[k].bitsPerPixel == xf86Screens[i]->formats[j].bitsPerPixel) && (formats[k].scanlinePad == xf86Screens[i]->formats[j].scanlinePad)) break; FatalError("Inconsistent pixmap format for depth %d." " Exiting\n", formats[k].depth); } } } } formatsDone = TRUE; if (xf86Info.vtno >= 0 ) { #define VT_ATOM_NAME "XFree86_VT" Atom VTAtom=-1; CARD32 *VT = NULL; int ret; /* This memory needs to stay available until the screen has been initialized, and we can create the property for real. */ if ( (VT = malloc(sizeof(CARD32)))==NULL ) { FatalError("Unable to make VT property - out of memory. Exiting...\n"); } *VT = xf86Info.vtno; VTAtom = MakeAtom(VT_ATOM_NAME, sizeof(VT_ATOM_NAME) - 1, TRUE); for (i = 0, ret = Success; i < xf86NumScreens && ret == Success; i++) { ret = xf86RegisterRootWindowProperty(xf86Screens[i]->scrnIndex, VTAtom, XA_INTEGER, 32, 1, VT ); if (ret != Success) xf86DrvMsg(xf86Screens[i]->scrnIndex, X_WARNING, "Failed to register VT property\n"); } } if (SeatId) { Atom SeatAtom; SeatAtom = MakeAtom(SEAT_ATOM_NAME, sizeof(SEAT_ATOM_NAME) - 1, TRUE); for (i = 0; i < xf86NumScreens; i++) { int ret; ret = xf86RegisterRootWindowProperty(xf86Screens[i]->scrnIndex, SeatAtom, XA_STRING, 8, strlen(SeatId)+1, SeatId ); if (ret != Success) { xf86DrvMsg(xf86Screens[i]->scrnIndex, X_WARNING, "Failed to register seat property\n"); } } } /* If a screen uses depth 24, show what the pixmap format is */ for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->depth == 24) { xf86Msg(pix24From, "Depth 24 pixmap format is %d bpp\n", PIX24TOBPP(pix24)); break; } } } else { /* * serverGeneration != 1; some OSs have to do things here, too. */ if (xorgHWOpenConsole) xf86OpenConsole(); #ifdef XF86PM /* should we reopen it here? We need to deal with an already opened device. We could leave this to the OS layer. For now we simply close it here */ if (xf86OSPMClose) xf86OSPMClose(); if ((xf86OSPMClose = xf86OSPMOpen()) != NULL) xf86MsgVerb(X_INFO, 3, "APM registered successfully\n"); #endif /* Make sure full I/O access is enabled */ if (xorgHWAccess) xf86EnableIO(); } /* * Use the previously collected parts to setup pScreenInfo */ pScreenInfo->imageByteOrder = xf86Screens[0]->imageByteOrder; pScreenInfo->bitmapScanlinePad = xf86Screens[0]->bitmapScanlinePad; pScreenInfo->bitmapScanlineUnit = xf86Screens[0]->bitmapScanlineUnit; pScreenInfo->bitmapBitOrder = xf86Screens[0]->bitmapBitOrder; pScreenInfo->numPixmapFormats = numFormats; for (i = 0; i < numFormats; i++) pScreenInfo->formats[i] = formats[i]; /* Make sure the server's VT is active */ if (serverGeneration != 1) { xf86Resetting = TRUE; /* All screens are in the same state, so just check the first */ if (!xf86Screens[0]->vtSema) { #ifdef HAS_USL_VTS ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ); #endif xf86AccessEnter(); was_blocked = xf86BlockSIGIO(); } } for (i = 0; i < xf86NumScreens; i++) if (!xf86ColormapAllocatePrivates(xf86Screens[i])) FatalError("Cannot register DDX private keys"); if (!dixRegisterPrivateKey(&xf86ScreenKeyRec, PRIVATE_SCREEN, 0) || !dixRegisterPrivateKey(&xf86CreateRootWindowKeyRec, PRIVATE_SCREEN, 0)) FatalError("Cannot register DDX private keys"); for (i = 0; i < xf86NumScreens; i++) { xf86VGAarbiterLock(xf86Screens[i]); /* * Almost everything uses these defaults, and many of those that * don't, will wrap them. */ xf86Screens[i]->EnableDisableFBAccess = xf86EnableDisableFBAccess; #ifdef XFreeXDGA xf86Screens[i]->SetDGAMode = xf86SetDGAMode; #endif xf86Screens[i]->DPMSSet = NULL; xf86Screens[i]->LoadPalette = NULL; xf86Screens[i]->SetOverscan = NULL; xf86Screens[i]->DriverFunc = NULL; xf86Screens[i]->pScreen = NULL; scr_index = AddScreen(xf86Screens[i]->ScreenInit, argc, argv); xf86VGAarbiterUnlock(xf86Screens[i]); if (scr_index == i) { /* * Hook in our ScrnInfoRec, and initialise some other pScreen * fields. */ dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates, xf86ScreenKey, xf86Screens[i]); xf86Screens[i]->pScreen = screenInfo.screens[scr_index]; /* The driver should set this, but make sure it is set anyway */ xf86Screens[i]->vtSema = TRUE; } else { /* This shouldn't normally happen */ FatalError("AddScreen/ScreenInit failed for driver %d\n", i); } DebugF("InitOutput - xf86Screens[%d]->pScreen = %p\n", i, xf86Screens[i]->pScreen ); DebugF("xf86Screens[%d]->pScreen->CreateWindow = %p\n", i, xf86Screens[i]->pScreen->CreateWindow ); dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates, xf86CreateRootWindowKey, xf86Screens[i]->pScreen->CreateWindow); xf86Screens[i]->pScreen->CreateWindow = xf86CreateRootWindow; if (PictureGetSubpixelOrder (xf86Screens[i]->pScreen) == SubPixelUnknown) { xf86MonPtr DDC = (xf86MonPtr)(xf86Screens[i]->monitor->DDC); PictureSetSubpixelOrder (xf86Screens[i]->pScreen, DDC ? (DDC->features.input_type ? SubPixelHorizontalRGB : SubPixelNone) : SubPixelUnknown); } #ifdef RANDR if (!xf86Info.disableRandR) xf86RandRInit (screenInfo.screens[scr_index]); xf86Msg(xf86Info.randRFrom, "RandR %s\n", xf86Info.disableRandR ? "disabled" : "enabled"); #endif } xf86VGAarbiterWrapFunctions(); xf86UnblockSIGIO(was_blocked); xf86InitOrigins(); xf86Resetting = FALSE; xf86Initialising = FALSE; RegisterBlockAndWakeupHandlers((BlockHandlerProcPtr)NoopDDA, xf86Wakeup, NULL); }
Bool xf86SwitchMode(ScreenPtr pScreen, DisplayModePtr mode) { ScrnInfoPtr pScr = XF86SCRNINFO(pScreen); ScreenPtr pCursorScreen; Bool Switched; int px, py, was_blocked; DeviceIntPtr dev, it; if (!pScr->vtSema || !mode || !pScr->SwitchMode) return FALSE; #ifdef XFreeXDGA if (DGAActive(pScr->scrnIndex)) return FALSE; #endif if (mode == pScr->currentMode) return TRUE; if (mode->HDisplay > pScr->virtualX || mode->VDisplay > pScr->virtualY) return FALSE; /* Let's take an educated guess for which pointer to take here. And about as educated as it gets is to take the first pointer we find. */ for (dev = inputInfo.devices; dev; dev = dev->next) { if (IsPointerDevice(dev) && dev->spriteInfo->spriteOwner) break; } pCursorScreen = miPointerGetScreen(dev); if (pScreen == pCursorScreen) miPointerGetPosition(dev, &px, &py); was_blocked = xf86BlockSIGIO(); Switched = (*pScr->SwitchMode)(pScr->scrnIndex, mode, 0); if (Switched) { pScr->currentMode = mode; /* * Adjust frame for new display size. * Frame is centered around cursor position if cursor is on same screen. */ if (pScreen == pCursorScreen) pScr->frameX0 = px - (mode->HDisplay / 2) + 1; else pScr->frameX0 = (pScr->frameX0 + pScr->frameX1 + 1 - mode->HDisplay) / 2; if (pScr->frameX0 < 0) pScr->frameX0 = 0; pScr->frameX1 = pScr->frameX0 + mode->HDisplay - 1; if (pScr->frameX1 >= pScr->virtualX) { pScr->frameX0 = pScr->virtualX - mode->HDisplay; pScr->frameX1 = pScr->virtualX - 1; } if (pScreen == pCursorScreen) pScr->frameY0 = py - (mode->VDisplay / 2) + 1; else pScr->frameY0 = (pScr->frameY0 + pScr->frameY1 + 1 - mode->VDisplay) / 2; if (pScr->frameY0 < 0) pScr->frameY0 = 0; pScr->frameY1 = pScr->frameY0 + mode->VDisplay - 1; if (pScr->frameY1 >= pScr->virtualY) { pScr->frameY0 = pScr->virtualY - mode->VDisplay; pScr->frameY1 = pScr->virtualY - 1; } } xf86UnblockSIGIO(was_blocked); if (pScr->AdjustFrame) (*pScr->AdjustFrame)(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0); /* The original code centered the frame around the cursor if possible. * Since this is hard to achieve with multiple cursors, we do the following: * - center around the first pointer * - move all other pointers to the nearest edge on the screen (or leave * them unmodified if they are within the boundaries). */ if (pScreen == pCursorScreen) { xf86WarpCursor(dev, pScreen, px, py); } for (it = inputInfo.devices; it; it = it->next) { if (it == dev) continue; if (IsPointerDevice(it) && it->spriteInfo->spriteOwner) { pCursorScreen = miPointerGetScreen(it); if (pScreen == pCursorScreen) { miPointerGetPosition(it, &px, &py); if (px < pScr->frameX0) px = pScr->frameX0; else if (px > pScr->frameX1) px = pScr->frameX1; if(py < pScr->frameY0) py = pScr->frameY0; else if(py > pScr->frameY1) py = pScr->frameY1; xf86WarpCursor(it, pScreen, px, py); } } } return Switched; }