From eaedc21febeadad4cf0e370f5d97e7bdb4470870 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 5 Apr 2011 09:51:44 +0000 Subject: xserver xkeyboard-config libxcb xkbcomp mesa git update 5 Apr 2011 --- xorg-server/hw/xfree86/common/xf86Config.c | 32 +- xorg-server/hw/xfree86/common/xf86Helper.c | 1 + xorg-server/hw/xfree86/common/xf86Init.c | 2996 ++++++++++++++-------------- xorg-server/hw/xfree86/dri2/dri2.c | 2459 +++++++++++------------ xorg-server/hw/xfree86/loader/loadmod.c | 2516 +++++++++++------------ 5 files changed, 4016 insertions(+), 3988 deletions(-) (limited to 'xorg-server/hw/xfree86') diff --git a/xorg-server/hw/xfree86/common/xf86Config.c b/xorg-server/hw/xfree86/common/xf86Config.c index 5312ca60d..114bdc3a3 100644 --- a/xorg-server/hw/xfree86/common/xf86Config.c +++ b/xorg-server/hw/xfree86/common/xf86Config.c @@ -309,7 +309,7 @@ xf86ModulelistFromConfig(pointer **optlist) } if (found == FALSE) { XF86LoadPtr ptr = (XF86LoadPtr)xf86configptr->conf_modules; - ptr = xf86addNewLoadDirective(ptr, ModuleDefaults[i].name, XF86_LOAD_MODULE, ModuleDefaults[i].load_opt); + xf86addNewLoadDirective(ptr, ModuleDefaults[i].name, XF86_LOAD_MODULE, ModuleDefaults[i].load_opt); xf86Msg(X_INFO, "\"%s\" will be loaded by default.\n", ModuleDefaults[i].name); } } @@ -318,7 +318,7 @@ xf86ModulelistFromConfig(pointer **optlist) for (i=0 ; ModuleDefaults[i].name != NULL ; i++) { if (ModuleDefaults[i].toLoad == TRUE) { XF86LoadPtr ptr = (XF86LoadPtr)xf86configptr->conf_modules; - ptr = xf86addNewLoadDirective(ptr, ModuleDefaults[i].name, XF86_LOAD_MODULE, ModuleDefaults[i].load_opt); + xf86addNewLoadDirective(ptr, ModuleDefaults[i].name, XF86_LOAD_MODULE, ModuleDefaults[i].load_opt); } } } @@ -1459,8 +1459,9 @@ configInputDevices(XF86ConfLayoutPtr layout, serverLayoutPtr servlayoutp) while (irp) { indp[count] = xf86AllocateInput(); if (!configInput(indp[count], irp->iref_inputdev, X_CONFIG)) { - while(count--) + do { free(indp[count]); + } while(count--); free(indp); return FALSE; } @@ -1485,7 +1486,7 @@ configLayout(serverLayoutPtr servlayoutp, XF86ConfLayoutPtr conf_layout, { XF86ConfAdjacencyPtr adjp; XF86ConfInactivePtr idp; - int count = 0; + int saved_count, count = 0; int scrnum; XF86ConfLayoutPtr l; MessageType from; @@ -1553,6 +1554,9 @@ configLayout(serverLayoutPtr servlayoutp, XF86ConfLayoutPtr conf_layout, scrnum = adjp->adj_scrnum; if (!configScreen(slp[count].screen, adjp->adj_screen, scrnum, X_CONFIG)) { + do { + free(slp[count].screen); + } while(count--); free(slp); return FALSE; } @@ -1641,6 +1645,10 @@ configLayout(serverLayoutPtr servlayoutp, XF86ConfLayoutPtr conf_layout, } } + if (!count) + saved_count = 1; + else + saved_count = count; /* * Count the number of inactive devices. */ @@ -1657,16 +1665,14 @@ configLayout(serverLayoutPtr servlayoutp, XF86ConfLayoutPtr conf_layout, idp = conf_layout->lay_inactive_lst; count = 0; while (idp) { - if (!configDevice(&gdp[count], idp->inactive_device, FALSE)) { - free(gdp); - return FALSE; - } + if (!configDevice(&gdp[count], idp->inactive_device, FALSE)) + goto bail; count++; idp = (XF86ConfInactivePtr)idp->list.next; } if (!configInputDevices(conf_layout, servlayoutp)) - return FALSE; + goto bail; servlayoutp->id = conf_layout->lay_identifier; servlayoutp->screens = slp; @@ -1675,6 +1681,14 @@ configLayout(serverLayoutPtr servlayoutp, XF86ConfLayoutPtr conf_layout, from = X_DEFAULT; return TRUE; + +bail: + do { + free(slp[saved_count].screen); + } while(saved_count--); + free(slp); + free(gdp); + return FALSE; } /* diff --git a/xorg-server/hw/xfree86/common/xf86Helper.c b/xorg-server/hw/xfree86/common/xf86Helper.c index 399883886..3cdffdb43 100644 --- a/xorg-server/hw/xfree86/common/xf86Helper.c +++ b/xorg-server/hw/xfree86/common/xf86Helper.c @@ -1831,6 +1831,7 @@ xf86ConfigFbEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex, xf86SetEntityFuncs(entityIndex,init,enter,leave,private); + free(pEnt); return pScrn; } diff --git a/xorg-server/hw/xfree86/common/xf86Init.c b/xorg-server/hw/xfree86/common/xf86Init.c index e017d9dce..0b36163c0 100644 --- a/xorg-server/hw/xfree86/common/xf86Init.c +++ b/xorg-server/hw/xfree86/common/xf86Init.c @@ -1,1497 +1,1499 @@ -/* - * Loosely based on code bearing the following copyright: - * - * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. - */ -/* - * Copyright (c) 1992-2003 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the copyright holder(s) - * and author(s) shall not be used in advertising or otherwise to promote - * the sale, use or other dealings in this Software without prior written - * authorization from the copyright holder(s) and author(s). - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include - -#undef HAS_UTSNAME -#if !defined(WIN32) -#define HAS_UTSNAME 1 -#include -#endif - -#include -#include -#include -#include -#include "input.h" -#include "servermd.h" -#include "windowstr.h" -#include "scrnintstr.h" -#include "site.h" -#include "mi.h" - -#include "compiler.h" - -#include "loaderProcs.h" -#ifdef XFreeXDGA -#include "dgaproc.h" -#endif - -#define XF86_OS_PRIVS -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86Config.h" -#include "xf86_OSlib.h" -#include "xf86cmap.h" -#include "xorgVersion.h" -#include "xf86Build.h" -#include "mipointer.h" -#include -#include -#include "xf86DDC.h" -#include "xf86Xinput.h" -#include "xf86InPriv.h" -#include "picturestr.h" - -#include "xf86Bus.h" -#include "xf86VGAarbiter.h" -#include "globals.h" - -#ifdef DPMSExtension -#include -#include "dpmsproc.h" -#endif -#include - - -#ifdef XF86PM -void (*xf86OSPMClose)(void) = NULL; -#endif -static Bool xorgHWOpenConsole = FALSE; - -/* Common pixmap formats */ - -static PixmapFormatRec formats[MAXFORMATS] = { - { 1, 1, BITMAP_SCANLINE_PAD }, - { 4, 8, BITMAP_SCANLINE_PAD }, - { 8, 8, BITMAP_SCANLINE_PAD }, - { 15, 16, BITMAP_SCANLINE_PAD }, - { 16, 16, BITMAP_SCANLINE_PAD }, - { 24, 32, BITMAP_SCANLINE_PAD }, - { 32, 32, BITMAP_SCANLINE_PAD }, -}; -static int numFormats = 7; -static Bool formatsDone = FALSE; - -#ifndef OSNAME -#define OSNAME " unknown" -#endif -#ifndef OSVENDOR -#define OSVENDOR "" -#endif -#ifndef PRE_RELEASE -#define PRE_RELEASE XORG_VERSION_SNAP -#endif - -static void -xf86PrintBanner(void) -{ -#if PRE_RELEASE - xf86ErrorFVerb(0, "\n" - "This is a pre-release version of the X server from " XVENDORNAME ".\n" - "It is not supported in any way.\n" - "Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/.\n" - "Select the \"xorg\" product for bugs you find in this release.\n" - "Before reporting bugs in pre-release versions please check the\n" - "latest version in the X.Org Foundation git repository.\n" - "See http://wiki.x.org/wiki/GitPage for git access instructions.\n"); -#endif - xf86ErrorFVerb(0, "\nX.Org X Server %d.%d.%d", - XORG_VERSION_MAJOR, - XORG_VERSION_MINOR, - XORG_VERSION_PATCH); -#if XORG_VERSION_SNAP > 0 - xf86ErrorFVerb(0, ".%d", XORG_VERSION_SNAP); -#endif - -#if XORG_VERSION_SNAP >= 900 - /* When the minor number is 99, that signifies that the we are making - * a release candidate for a major version. (X.0.0) - * When the patch number is 99, that signifies that the we are making - * a release candidate for a minor version. (X.Y.0) - * When the patch number is < 99, then we are making a release - * candidate for the next point release. (X.Y.Z) - */ -#if XORG_VERSION_MINOR >= 99 - xf86ErrorFVerb(0, " (%d.0.0 RC %d)", XORG_VERSION_MAJOR+1, - XORG_VERSION_SNAP - 900); -#elif XORG_VERSION_PATCH == 99 - xf86ErrorFVerb(0, " (%d.%d.0 RC %d)", XORG_VERSION_MAJOR, - XORG_VERSION_MINOR + 1, XORG_VERSION_SNAP - 900); -#else - xf86ErrorFVerb(0, " (%d.%d.%d RC %d)", XORG_VERSION_MAJOR, - XORG_VERSION_MINOR, XORG_VERSION_PATCH + 1, - XORG_VERSION_SNAP - 900); -#endif -#endif - -#ifdef XORG_CUSTOM_VERSION - xf86ErrorFVerb(0, " (%s)", XORG_CUSTOM_VERSION); -#endif -#ifndef XORG_DATE -# define XORG_DATE "Unknown" -#endif - xf86ErrorFVerb(0, "\nRelease Date: %s\n", XORG_DATE); - xf86ErrorFVerb(0, "X Protocol Version %d, Revision %d\n", - X_PROTOCOL, X_PROTOCOL_REVISION); - xf86ErrorFVerb(0, "Build Operating System: %s %s\n", OSNAME, OSVENDOR); -#ifdef HAS_UTSNAME - { - struct utsname name; - - /* Linux & BSD state that 0 is success, SysV (including Solaris, HP-UX, - and Irix) and Single Unix Spec 3 just say that non-negative is success. - All agree that failure is represented by a negative number. - */ - if (uname(&name) >= 0) { - xf86ErrorFVerb(0, "Current Operating System: %s %s %s %s %s\n", - name.sysname, name.nodename, name.release, name.version, name.machine); -#ifdef linux - do { - char buf[80]; - int fd = open("/proc/cmdline", O_RDONLY); - if (fd != -1) { - xf86ErrorFVerb(0, "Kernel command line: "); - memset(buf, 0, 80); - while (read(fd, buf, 80) > 0) { - xf86ErrorFVerb(0, "%.80s", buf); - memset(buf, 0, 80); - } - close(fd); - } - } while (0); -#endif - } - } -#endif -#if defined(BUILD_DATE) && (BUILD_DATE > 19000000) - { - struct tm t; - char buf[100]; - - memset(&t, 0, sizeof(t)); - memset(buf, 0, sizeof(buf)); - t.tm_mday = BUILD_DATE % 100; - t.tm_mon = (BUILD_DATE / 100) % 100 - 1; - t.tm_year = BUILD_DATE / 10000 - 1900; -#if defined(BUILD_TIME) - t.tm_sec = BUILD_TIME % 100; - t.tm_min = (BUILD_TIME / 100) % 100; - t.tm_hour = (BUILD_TIME / 10000) % 100; - if (strftime(buf, sizeof(buf), "%d %B %Y %I:%M:%S%p", &t)) - xf86ErrorFVerb(0, "Build Date: %s\n", buf); -#else - if (strftime(buf, sizeof(buf), "%d %B %Y", &t)) - xf86ErrorFVerb(0, "Build Date: %s\n", buf); -#endif - } -#endif -#if defined(BUILDERSTRING) - xf86ErrorFVerb(0, "%s \n", BUILDERSTRING); -#endif - xf86ErrorFVerb(0, "Current version of pixman: %s\n", - pixman_version_string()); - xf86ErrorFVerb(0, "\tBefore reporting problems, check " - ""__VENDORDWEBSUPPORT__"\n" - "\tto make sure that you have the latest version.\n"); -} - -static void -xf86PrintMarkers(void) -{ - LogPrintMarkers(); -} - -static Bool -xf86CreateRootWindow(WindowPtr pWin) -{ - int ret = TRUE; - int err = Success; - ScreenPtr pScreen = pWin->drawable.pScreen; - RootWinPropPtr pProp; - CreateWindowProcPtr CreateWindow = (CreateWindowProcPtr) - dixLookupPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey); - - DebugF("xf86CreateRootWindow(%p)\n", pWin); - - if ( pScreen->CreateWindow != xf86CreateRootWindow ) { - /* Can't find hook we are hung on */ - xf86DrvMsg(pScreen->myNum, X_WARNING /* X_ERROR */, - "xf86CreateRootWindow %p called when not in pScreen->CreateWindow %p n", - (void *)xf86CreateRootWindow, - (void *)pScreen->CreateWindow ); - } - - /* Unhook this function ... */ - pScreen->CreateWindow = CreateWindow; - dixSetPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey, NULL); - - /* ... and call the previous CreateWindow fuction, if any */ - if (NULL!=pScreen->CreateWindow) { - ret = (*pScreen->CreateWindow)(pWin); - } - - /* Now do our stuff */ - if (xf86RegisteredPropertiesTable != NULL) { - if (pWin->parent == NULL && xf86RegisteredPropertiesTable != NULL) { - for (pProp = xf86RegisteredPropertiesTable[pScreen->myNum]; - pProp != NULL && err==Success; - pProp = pProp->next ) - { - Atom prop; - - prop = MakeAtom(pProp->name, strlen(pProp->name), TRUE); - err = dixChangeWindowProperty(serverClient, pWin, - prop, pProp->type, - pProp->format, PropModeReplace, - pProp->size, pProp->data, - FALSE); - } - - /* Look at err */ - ret &= (err==Success); - - } else { - xf86Msg(X_ERROR, "xf86CreateRootWindow unexpectedly called with " - "non-root window %p (parent %p)\n", - (void *)pWin, (void *)pWin->parent); - ret = FALSE; - } - } - - DebugF("xf86CreateRootWindow() returns %d\n", ret); - return ret; -} - - -static void -InstallSignalHandlers(void) -{ - /* - * Install signal handler for unexpected signals - */ - xf86Info.caughtSignal=FALSE; - if (!xf86Info.notrapSignals) { - OsRegisterSigWrapper(xf86SigWrapper); - } else { - signal(SIGSEGV, SIG_DFL); - signal(SIGILL, SIG_DFL); -#ifdef SIGEMT - signal(SIGEMT, SIG_DFL); -#endif - signal(SIGFPE, SIG_DFL); - signal(SIGBUS, SIG_DFL); - signal(SIGSYS, SIG_DFL); - signal(SIGXCPU, SIG_DFL); - signal(SIGXFSZ, SIG_DFL); - } -} - -/* - * 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 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); -} - -/* - * InitInput -- - * Initialize all supported input devices. - */ - -void -InitInput(int argc, char **argv) -{ - InputInfoPtr* pDev; - DeviceIntPtr dev; - - xf86Info.vtRequestsPending = FALSE; - - mieqInit(); - - GetEventList(&xf86Events); - - /* Initialize all configured input devices */ - for (pDev = xf86ConfigLayout.inputs; pDev && *pDev; pDev++) { - /* Replace obsolete keyboard driver with kbd */ - if (!xf86NameCmp((*pDev)->driver, "keyboard")) { - strcpy((*pDev)->driver, "kbd"); - } - - /* If one fails, the others will too */ - if (xf86NewInputDevice(*pDev, &dev, TRUE) == BadAlloc) - break; - } - - config_init(); -} - -void -CloseInput (void) -{ - config_fini(); -} - -/* - * OsVendorInit -- - * OS/Vendor-specific initialisations. Called from OsInit(), which - * is called by dix before establishing the well known sockets. - */ - -void -OsVendorInit(void) -{ - static Bool beenHere = FALSE; - - signal(SIGCHLD, SIG_DFL); /* Need to wait for child processes */ - - if (!beenHere) { - umask(022); - xf86LogInit(); - } - - /* Set stderr to non-blocking. */ -#ifndef O_NONBLOCK -#if defined(FNDELAY) -#define O_NONBLOCK FNDELAY -#elif defined(O_NDELAY) -#define O_NONBLOCK O_NDELAY -#endif - -#ifdef O_NONBLOCK - if (!beenHere) { - if (geteuid() == 0 && getuid() != geteuid()) - { - int status; - - status = fcntl(fileno(stderr), F_GETFL, 0); - if (status != -1) { - fcntl(fileno(stderr), F_SETFL, status | O_NONBLOCK); - } - } - } -#endif -#endif - - beenHere = TRUE; -} - -/* - * ddxGiveUp -- - * Device dependent cleanup. Called by by dix before normal server death. - * For SYSV386 we must switch the terminal back to normal mode. No error- - * checking here, since there should be restored as much as possible. - */ - -void -ddxGiveUp(void) -{ - int i; - - xf86VGAarbiterFini(); - -#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; - } - -#ifdef XFreeXDGA - DGAShutdown(); -#endif - - if (xorgHWOpenConsole) - xf86CloseConsole(); - - xf86CloseLog(); - - /* If an unexpected signal was caught, dump a core for debugging */ - if (xf86Info.caughtSignal) - OsAbort(); -} - - - -/* - * AbortDDX -- - * DDX - specific abort routine. Called by AbortServer(). The attempt is - * made to restore all original setting of the displays. Also all devices - * are closed. - */ - -void -AbortDDX(void) -{ - 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(); -} - -void -OsVendorFatalError(void) -{ -#ifdef VENDORSUPPORT - ErrorF("\nPlease refer to your Operating System Vendor support pages\n" - "at %s for support on this crash.\n",VENDORSUPPORT); -#else - ErrorF("\nPlease consult the "XVENDORNAME" support \n" - "\t at "__VENDORDWEBSUPPORT__"\n for help. \n"); -#endif - if (xf86LogFile && xf86LogFileWasOpened) - ErrorF("Please also check the log file at \"%s\" for additional " - "information.\n", xf86LogFile); - ErrorF("\n"); -} - -int -xf86SetVerbosity(int verb) -{ - int save = xf86Verbose; - - xf86Verbose = verb; - LogSetParameter(XLOG_VERBOSITY, verb); - return save; -} - -int -xf86SetLogVerbosity(int verb) -{ - int save = xf86LogVerbose; - - xf86LogVerbose = verb; - LogSetParameter(XLOG_FILE_VERBOSITY, verb); - return save; -} - -static void -xf86PrintDefaultModulePath(void) -{ - ErrorF("%s\n", DEFAULT_MODULE_PATH); -} - -static void -xf86PrintDefaultLibraryPath(void) -{ - ErrorF("%s\n", DEFAULT_LIBRARY_PATH); -} - -/* - * ddxProcessArgument -- - * Process device-dependent command line args. Returns 0 if argument is - * not device dependent, otherwise Count of number of elements of argv - * that are part of a device dependent commandline option. - * - */ - -/* ARGSUSED */ -int -ddxProcessArgument(int argc, char **argv, int i) -{ -#define CHECK_FOR_REQUIRED_ARGUMENT() \ - if (((i + 1) >= argc) || (!argv[i + 1])) { \ - ErrorF("Required argument to %s not specified\n", argv[i]); \ - UseMsg(); \ - FatalError("Required argument to %s not specified\n", argv[i]); \ - } - - /* First the options that are only allowed for root */ - if (!strcmp(argv[i], "-modulepath") || !strcmp(argv[i], "-logfile")) { - if ( (geteuid() == 0) && (getuid() != 0) ) { - FatalError("The '%s' option can only be used by root.\n", argv[i]); - } - else if (!strcmp(argv[i], "-modulepath")) - { - char *mp; - CHECK_FOR_REQUIRED_ARGUMENT(); - mp = strdup(argv[i + 1]); - if (!mp) - FatalError("Can't allocate memory for ModulePath\n"); - xf86ModulePath = mp; - xf86ModPathFrom = X_CMDLINE; - return 2; - } - else if (!strcmp(argv[i], "-logfile")) - { - char *lf; - CHECK_FOR_REQUIRED_ARGUMENT(); - lf = strdup(argv[i + 1]); - if (!lf) - FatalError("Can't allocate memory for LogFile\n"); - xf86LogFile = lf; - xf86LogFileFrom = X_CMDLINE; - return 2; - } - } - if (!strcmp(argv[i], "-config") || !strcmp(argv[i], "-xf86config")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - if (getuid() != 0 && !xf86PathIsSafe(argv[i + 1])) { - FatalError("\nInvalid argument for %s\n" - "\tFor non-root users, the file specified with %s must be\n" - "\ta relative path and must not contain any \"..\" elements.\n" - "\tUsing default "__XCONFIGFILE__" search path.\n\n", - argv[i], argv[i]); - } - xf86ConfigFile = argv[i + 1]; - return 2; - } - if (!strcmp(argv[i], "-configdir")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - if (getuid() != 0 && !xf86PathIsSafe(argv[i + 1])) { - FatalError("\nInvalid argument for %s\n" - "\tFor non-root users, the file specified with %s must be\n" - "\ta relative path and must not contain any \"..\" elements.\n" - "\tUsing default "__XCONFIGDIR__" search path.\n\n", - argv[i], argv[i]); - } - xf86ConfigDir = argv[i + 1]; - return 2; - } - if (!strcmp(argv[i],"-flipPixels")) - { - xf86FlipPixels = TRUE; - return 1; - } -#ifdef XF86VIDMODE - if (!strcmp(argv[i],"-disableVidMode")) - { - xf86VidModeDisabled = TRUE; - return 1; - } - if (!strcmp(argv[i],"-allowNonLocalXvidtune")) - { - xf86VidModeAllowNonLocal = TRUE; - return 1; - } -#endif - if (!strcmp(argv[i],"-allowMouseOpenFail")) - { - xf86AllowMouseOpenFail = TRUE; - return 1; - } - if (!strcmp(argv[i],"-ignoreABI")) - { - LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL); - return 1; - } - if (!strcmp(argv[i],"-verbose")) - { - if (++i < argc && argv[i]) - { - char *end; - long val; - val = strtol(argv[i], &end, 0); - if (*end == '\0') - { - xf86SetVerbosity(val); - return 2; - } - } - xf86SetVerbosity(++xf86Verbose); - return 1; - } - if (!strcmp(argv[i],"-logverbose")) - { - if (++i < argc && argv[i]) - { - char *end; - long val; - val = strtol(argv[i], &end, 0); - if (*end == '\0') - { - xf86SetLogVerbosity(val); - return 2; - } - } - xf86SetLogVerbosity(++xf86LogVerbose); - return 1; - } - if (!strcmp(argv[i],"-quiet")) - { - xf86SetVerbosity(-1); - return 1; - } - if (!strcmp(argv[i],"-showconfig") || !strcmp(argv[i],"-version")) - { - xf86PrintBanner(); - exit(0); - } - if (!strcmp(argv[i],"-showDefaultModulePath")) - { - xf86PrintDefaultModulePath(); - exit(0); - } - if (!strcmp(argv[i],"-showDefaultLibPath")) - { - xf86PrintDefaultLibraryPath(); - exit(0); - } - /* Notice the -fp flag, but allow it to pass to the dix layer */ - if (!strcmp(argv[i], "-fp")) - { - xf86fpFlag = TRUE; - return 0; - } - /* Notice the -bs flag, but allow it to pass to the dix layer */ - if (!strcmp(argv[i], "-bs")) - { - xf86bsDisableFlag = TRUE; - return 0; - } - /* Notice the +bs flag, but allow it to pass to the dix layer */ - if (!strcmp(argv[i], "+bs")) - { - xf86bsEnableFlag = TRUE; - return 0; - } - /* Notice the -s flag, but allow it to pass to the dix layer */ - if (!strcmp(argv[i], "-s")) - { - xf86sFlag = TRUE; - return 0; - } - if (!strcmp(argv[i], "-pixmap24")) - { - xf86Pix24 = Pix24Use24; - return 1; - } - if (!strcmp(argv[i], "-pixmap32")) - { - xf86Pix24 = Pix24Use32; - return 1; - } - if (!strcmp(argv[i], "-fbbpp")) - { - int bpp; - CHECK_FOR_REQUIRED_ARGUMENT(); - if (sscanf(argv[++i], "%d", &bpp) == 1) - { - xf86FbBpp = bpp; - return 2; - } - else - { - ErrorF("Invalid fbbpp\n"); - return 0; - } - } - if (!strcmp(argv[i], "-depth")) - { - int depth; - CHECK_FOR_REQUIRED_ARGUMENT(); - if (sscanf(argv[++i], "%d", &depth) == 1) - { - xf86Depth = depth; - return 2; - } - else - { - ErrorF("Invalid depth\n"); - return 0; - } - } - if (!strcmp(argv[i], "-weight")) - { - int red, green, blue; - CHECK_FOR_REQUIRED_ARGUMENT(); - if (sscanf(argv[++i], "%1d%1d%1d", &red, &green, &blue) == 3) - { - xf86Weight.red = red; - xf86Weight.green = green; - xf86Weight.blue = blue; - return 2; - } - else - { - ErrorF("Invalid weighting\n"); - return 0; - } - } - if (!strcmp(argv[i], "-gamma") || !strcmp(argv[i], "-rgamma") || - !strcmp(argv[i], "-ggamma") || !strcmp(argv[i], "-bgamma")) - { - double gamma; - CHECK_FOR_REQUIRED_ARGUMENT(); - if (sscanf(argv[++i], "%lf", &gamma) == 1) { - if (gamma < GAMMA_MIN || gamma > GAMMA_MAX) { - ErrorF("gamma out of range, only %.2f <= gamma_value <= %.1f" - " is valid\n", GAMMA_MIN, GAMMA_MAX); - return 0; - } - if (!strcmp(argv[i-1], "-gamma")) - xf86Gamma.red = xf86Gamma.green = xf86Gamma.blue = gamma; - else if (!strcmp(argv[i-1], "-rgamma")) xf86Gamma.red = gamma; - else if (!strcmp(argv[i-1], "-ggamma")) xf86Gamma.green = gamma; - else if (!strcmp(argv[i-1], "-bgamma")) xf86Gamma.blue = gamma; - return 2; - } - } - if (!strcmp(argv[i], "-layout")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - xf86LayoutName = argv[++i]; - return 2; - } - if (!strcmp(argv[i], "-screen")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - xf86ScreenName = argv[++i]; - return 2; - } - if (!strcmp(argv[i], "-pointer")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - xf86PointerName = argv[++i]; - return 2; - } - if (!strcmp(argv[i], "-keyboard")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - xf86KeyboardName = argv[++i]; - return 2; - } - if (!strcmp(argv[i], "-nosilk")) - { - xf86silkenMouseDisableFlag = TRUE; - return 1; - } -#ifdef HAVE_ACPI - if (!strcmp(argv[i], "-noacpi")) - { - xf86acpiDisableFlag = TRUE; - return 1; - } -#endif - if (!strcmp(argv[i], "-configure")) - { - if (getuid() != 0 && geteuid() == 0) { - ErrorF("The '-configure' option can only be used by root.\n"); - exit(1); - } - xf86DoConfigure = TRUE; - xf86AllowMouseOpenFail = TRUE; - return 1; - } - if (!strcmp(argv[i], "-showopts")) - { - if (getuid() != 0 && geteuid() == 0) { - ErrorF("The '-showopts' option can only be used by root.\n"); - exit(1); - } - xf86DoShowOptions = TRUE; - return 1; - } - if (!strcmp(argv[i], "-isolateDevice")) - { - CHECK_FOR_REQUIRED_ARGUMENT(); - if (strncmp(argv[++i], "PCI:", 4)) { - FatalError("Bus types other than PCI not yet isolable\n"); - } - xf86PciIsolateDevice(argv[i]); - return 2; - } - /* Notice cmdline xkbdir, but pass to dix as well */ - if (!strcmp(argv[i], "-xkbdir")) - { - xf86xkbdirFlag = TRUE; - return 0; - } - - /* OS-specific processing */ - return xf86ProcessArgument(argc, argv, i); -} - -/* - * ddxUseMsg -- - * Print out correct use of device dependent commandline options. - * Maybe the user now knows what really to do ... - */ - -void -ddxUseMsg(void) -{ - ErrorF("\n"); - ErrorF("\n"); - ErrorF("Device Dependent Usage\n"); - if (getuid() == 0 || geteuid() != 0) - { - ErrorF("-modulepath paths specify the module search path\n"); - ErrorF("-logfile file specify a log file name\n"); - ErrorF("-configure probe for devices and write an "__XCONFIGFILE__"\n"); - ErrorF("-showopts print available options for all installed drivers\n"); - } - ErrorF("-config file specify a configuration file, relative to the\n"); - ErrorF(" "__XCONFIGFILE__" search path, only root can use absolute\n"); - ErrorF("-configdir dir specify a configuration directory, relative to the\n"); - ErrorF(" "__XCONFIGDIR__" search path, only root can use absolute\n"); - ErrorF("-verbose [n] verbose startup messages\n"); - ErrorF("-logverbose [n] verbose log messages\n"); - ErrorF("-quiet minimal startup messages\n"); - ErrorF("-pixmap24 use 24bpp pixmaps for depth 24\n"); - ErrorF("-pixmap32 use 32bpp pixmaps for depth 24\n"); - ErrorF("-fbbpp n set bpp for the framebuffer. Default: 8\n"); - ErrorF("-depth n set colour depth. Default: 8\n"); - ErrorF("-gamma f set gamma value (0.1 < f < 10.0) Default: 1.0\n"); - ErrorF("-rgamma f set gamma value for red phase\n"); - ErrorF("-ggamma f set gamma value for green phase\n"); - ErrorF("-bgamma f set gamma value for blue phase\n"); - ErrorF("-weight nnn set RGB weighting at 16 bpp. Default: 565\n"); - ErrorF("-layout name specify the ServerLayout section name\n"); - ErrorF("-screen name specify the Screen section name\n"); - ErrorF("-keyboard name specify the core keyboard InputDevice name\n"); - ErrorF("-pointer name specify the core pointer InputDevice name\n"); - ErrorF("-nosilk disable Silken Mouse\n"); - ErrorF("-flipPixels swap default black/white Pixel values\n"); -#ifdef XF86VIDMODE - ErrorF("-disableVidMode disable mode adjustments with xvidtune\n"); - ErrorF("-allowNonLocalXvidtune allow xvidtune to be run as a non-local client\n"); -#endif - ErrorF("-allowMouseOpenFail start server even if the mouse can't be initialized\n"); - ErrorF("-ignoreABI make module ABI mismatches non-fatal\n"); - ErrorF("-isolateDevice bus_id restrict device resets to bus_id (PCI only)\n"); - ErrorF("-version show the server version\n"); - ErrorF("-showDefaultModulePath show the server default module path\n"); - ErrorF("-showDefaultLibPath show the server default library path\n"); - /* OS-specific usage */ - xf86UseMsg(); - ErrorF("\n"); -} - - -/* - * xf86LoadModules iterates over a list that is being passed in. - */ -Bool -xf86LoadModules(char **list, pointer *optlist) -{ - int errmaj, errmin; - pointer opt; - int i; - char *name; - Bool failed = FALSE; - - if (!list) - return TRUE; - - for (i = 0; list[i] != NULL; i++) { - - /* Normalise the module name */ - name = xf86NormalizeName(list[i]); - - /* Skip empty names */ - if (name == NULL || *name == '\0') - continue; - - /* Replace obsolete keyboard driver with kbd */ - if (!xf86NameCmp(name, "keyboard")) { - strcpy(name, "kbd"); - } - - if (optlist) - opt = optlist[i]; - else - opt = NULL; - - if (!LoadModule(name, NULL, NULL, NULL, opt, NULL, &errmaj, &errmin)) { - LoaderErrorMsg(NULL, name, errmaj, errmin); - failed = TRUE; - } - free(name); - } - return !failed; -} - -/* Pixmap format stuff */ - -PixmapFormatPtr -xf86GetPixFormat(ScrnInfoPtr pScrn, int depth) -{ - int i; - static PixmapFormatRec format; /* XXX not reentrant */ - - /* - * When the formats[] list initialisation isn't complete, check the - * depth 24 pixmap config/cmdline options and screen-specified formats. - */ - - if (!formatsDone) { - if (depth == 24) { - Pix24Flags pix24 = Pix24DontCare; - - format.depth = 24; - format.scanlinePad = BITMAP_SCANLINE_PAD; - if (xf86Info.pixmap24 != Pix24DontCare) - pix24 = xf86Info.pixmap24; - else if (pScrn->pixmap24 != Pix24DontCare) - pix24 = pScrn->pixmap24; - if (pix24 == Pix24Use24) - format.bitsPerPixel = 24; - else - format.bitsPerPixel = 32; - return &format; - } - } - - for (i = 0; i < numFormats; i++) - if (formats[i].depth == depth) - break; - if (i != numFormats) - return &formats[i]; - else if (!formatsDone) { - /* Check for screen-specified formats */ - for (i = 0; i < pScrn->numFormats; i++) - if (pScrn->formats[i].depth == depth) - break; - if (i != pScrn->numFormats) - return &pScrn->formats[i]; - } - return NULL; -} - -int -xf86GetBppFromDepth(ScrnInfoPtr pScrn, int depth) -{ - PixmapFormatPtr format; - - - format = xf86GetPixFormat(pScrn, depth); - if (format) - return format->bitsPerPixel; - else - return 0; -} +/* + * Loosely based on code bearing the following copyright: + * + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. + */ +/* + * Copyright (c) 1992-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#include + +#undef HAS_UTSNAME +#if !defined(WIN32) +#define HAS_UTSNAME 1 +#include +#endif + +#include +#include +#include +#include +#include "input.h" +#include "servermd.h" +#include "windowstr.h" +#include "scrnintstr.h" +#include "site.h" +#include "mi.h" + +#include "compiler.h" + +#include "loaderProcs.h" +#ifdef XFreeXDGA +#include "dgaproc.h" +#endif + +#define XF86_OS_PRIVS +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86Config.h" +#include "xf86_OSlib.h" +#include "xf86cmap.h" +#include "xorgVersion.h" +#include "xf86Build.h" +#include "mipointer.h" +#include +#include +#include "xf86DDC.h" +#include "xf86Xinput.h" +#include "xf86InPriv.h" +#include "picturestr.h" + +#include "xf86Bus.h" +#include "xf86VGAarbiter.h" +#include "globals.h" + +#ifdef DPMSExtension +#include +#include "dpmsproc.h" +#endif +#include + + +#ifdef XF86PM +void (*xf86OSPMClose)(void) = NULL; +#endif +static Bool xorgHWOpenConsole = FALSE; + +/* Common pixmap formats */ + +static PixmapFormatRec formats[MAXFORMATS] = { + { 1, 1, BITMAP_SCANLINE_PAD }, + { 4, 8, BITMAP_SCANLINE_PAD }, + { 8, 8, BITMAP_SCANLINE_PAD }, + { 15, 16, BITMAP_SCANLINE_PAD }, + { 16, 16, BITMAP_SCANLINE_PAD }, + { 24, 32, BITMAP_SCANLINE_PAD }, + { 32, 32, BITMAP_SCANLINE_PAD }, +}; +static int numFormats = 7; +static Bool formatsDone = FALSE; + +#ifndef OSNAME +#define OSNAME " unknown" +#endif +#ifndef OSVENDOR +#define OSVENDOR "" +#endif +#ifndef PRE_RELEASE +#define PRE_RELEASE XORG_VERSION_SNAP +#endif + +static void +xf86PrintBanner(void) +{ +#if PRE_RELEASE + xf86ErrorFVerb(0, "\n" + "This is a pre-release version of the X server from " XVENDORNAME ".\n" + "It is not supported in any way.\n" + "Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/.\n" + "Select the \"xorg\" product for bugs you find in this release.\n" + "Before reporting bugs in pre-release versions please check the\n" + "latest version in the X.Org Foundation git repository.\n" + "See http://wiki.x.org/wiki/GitPage for git access instructions.\n"); +#endif + xf86ErrorFVerb(0, "\nX.Org X Server %d.%d.%d", + XORG_VERSION_MAJOR, + XORG_VERSION_MINOR, + XORG_VERSION_PATCH); +#if XORG_VERSION_SNAP > 0 + xf86ErrorFVerb(0, ".%d", XORG_VERSION_SNAP); +#endif + +#if XORG_VERSION_SNAP >= 900 + /* When the minor number is 99, that signifies that the we are making + * a release candidate for a major version. (X.0.0) + * When the patch number is 99, that signifies that the we are making + * a release candidate for a minor version. (X.Y.0) + * When the patch number is < 99, then we are making a release + * candidate for the next point release. (X.Y.Z) + */ +#if XORG_VERSION_MINOR >= 99 + xf86ErrorFVerb(0, " (%d.0.0 RC %d)", XORG_VERSION_MAJOR+1, + XORG_VERSION_SNAP - 900); +#elif XORG_VERSION_PATCH == 99 + xf86ErrorFVerb(0, " (%d.%d.0 RC %d)", XORG_VERSION_MAJOR, + XORG_VERSION_MINOR + 1, XORG_VERSION_SNAP - 900); +#else + xf86ErrorFVerb(0, " (%d.%d.%d RC %d)", XORG_VERSION_MAJOR, + XORG_VERSION_MINOR, XORG_VERSION_PATCH + 1, + XORG_VERSION_SNAP - 900); +#endif +#endif + +#ifdef XORG_CUSTOM_VERSION + xf86ErrorFVerb(0, " (%s)", XORG_CUSTOM_VERSION); +#endif +#ifndef XORG_DATE +# define XORG_DATE "Unknown" +#endif + xf86ErrorFVerb(0, "\nRelease Date: %s\n", XORG_DATE); + xf86ErrorFVerb(0, "X Protocol Version %d, Revision %d\n", + X_PROTOCOL, X_PROTOCOL_REVISION); + xf86ErrorFVerb(0, "Build Operating System: %s %s\n", OSNAME, OSVENDOR); +#ifdef HAS_UTSNAME + { + struct utsname name; + + /* Linux & BSD state that 0 is success, SysV (including Solaris, HP-UX, + and Irix) and Single Unix Spec 3 just say that non-negative is success. + All agree that failure is represented by a negative number. + */ + if (uname(&name) >= 0) { + xf86ErrorFVerb(0, "Current Operating System: %s %s %s %s %s\n", + name.sysname, name.nodename, name.release, name.version, name.machine); +#ifdef linux + do { + char buf[80]; + int fd = open("/proc/cmdline", O_RDONLY); + if (fd != -1) { + xf86ErrorFVerb(0, "Kernel command line: "); + memset(buf, 0, 80); + while (read(fd, buf, 80) > 0) { + xf86ErrorFVerb(0, "%.80s", buf); + memset(buf, 0, 80); + } + close(fd); + } + } while (0); +#endif + } + } +#endif +#if defined(BUILD_DATE) && (BUILD_DATE > 19000000) + { + struct tm t; + char buf[100]; + + memset(&t, 0, sizeof(t)); + memset(buf, 0, sizeof(buf)); + t.tm_mday = BUILD_DATE % 100; + t.tm_mon = (BUILD_DATE / 100) % 100 - 1; + t.tm_year = BUILD_DATE / 10000 - 1900; +#if defined(BUILD_TIME) + t.tm_sec = BUILD_TIME % 100; + t.tm_min = (BUILD_TIME / 100) % 100; + t.tm_hour = (BUILD_TIME / 10000) % 100; + if (strftime(buf, sizeof(buf), "%d %B %Y %I:%M:%S%p", &t)) + xf86ErrorFVerb(0, "Build Date: %s\n", buf); +#else + if (strftime(buf, sizeof(buf), "%d %B %Y", &t)) + xf86ErrorFVerb(0, "Build Date: %s\n", buf); +#endif + } +#endif +#if defined(BUILDERSTRING) + xf86ErrorFVerb(0, "%s \n", BUILDERSTRING); +#endif + xf86ErrorFVerb(0, "Current version of pixman: %s\n", + pixman_version_string()); + xf86ErrorFVerb(0, "\tBefore reporting problems, check " + ""__VENDORDWEBSUPPORT__"\n" + "\tto make sure that you have the latest version.\n"); +} + +static void +xf86PrintMarkers(void) +{ + LogPrintMarkers(); +} + +static Bool +xf86CreateRootWindow(WindowPtr pWin) +{ + int ret = TRUE; + int err = Success; + ScreenPtr pScreen = pWin->drawable.pScreen; + RootWinPropPtr pProp; + CreateWindowProcPtr CreateWindow = (CreateWindowProcPtr) + dixLookupPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey); + + DebugF("xf86CreateRootWindow(%p)\n", pWin); + + if ( pScreen->CreateWindow != xf86CreateRootWindow ) { + /* Can't find hook we are hung on */ + xf86DrvMsg(pScreen->myNum, X_WARNING /* X_ERROR */, + "xf86CreateRootWindow %p called when not in pScreen->CreateWindow %p n", + (void *)xf86CreateRootWindow, + (void *)pScreen->CreateWindow ); + } + + /* Unhook this function ... */ + pScreen->CreateWindow = CreateWindow; + dixSetPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey, NULL); + + /* ... and call the previous CreateWindow fuction, if any */ + if (NULL!=pScreen->CreateWindow) { + ret = (*pScreen->CreateWindow)(pWin); + } + + /* Now do our stuff */ + if (xf86RegisteredPropertiesTable != NULL) { + if (pWin->parent == NULL && xf86RegisteredPropertiesTable != NULL) { + for (pProp = xf86RegisteredPropertiesTable[pScreen->myNum]; + pProp != NULL && err==Success; + pProp = pProp->next ) + { + Atom prop; + + prop = MakeAtom(pProp->name, strlen(pProp->name), TRUE); + err = dixChangeWindowProperty(serverClient, pWin, + prop, pProp->type, + pProp->format, PropModeReplace, + pProp->size, pProp->data, + FALSE); + } + + /* Look at err */ + ret &= (err==Success); + + } else { + xf86Msg(X_ERROR, "xf86CreateRootWindow unexpectedly called with " + "non-root window %p (parent %p)\n", + (void *)pWin, (void *)pWin->parent); + ret = FALSE; + } + } + + DebugF("xf86CreateRootWindow() returns %d\n", ret); + return ret; +} + + +static void +InstallSignalHandlers(void) +{ + /* + * Install signal handler for unexpected signals + */ + xf86Info.caughtSignal=FALSE; + if (!xf86Info.notrapSignals) { + OsRegisterSigWrapper(xf86SigWrapper); + } else { + signal(SIGSEGV, SIG_DFL); + signal(SIGILL, SIG_DFL); +#ifdef SIGEMT + signal(SIGEMT, SIG_DFL); +#endif + signal(SIGFPE, SIG_DFL); + signal(SIGBUS, SIG_DFL); + signal(SIGSYS, SIG_DFL); + signal(SIGXCPU, SIG_DFL); + signal(SIGXFSZ, SIG_DFL); + } +} + +/* + * 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 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); +} + +/* + * InitInput -- + * Initialize all supported input devices. + */ + +void +InitInput(int argc, char **argv) +{ + InputInfoPtr* pDev; + DeviceIntPtr dev; + + xf86Info.vtRequestsPending = FALSE; + + mieqInit(); + + GetEventList(&xf86Events); + + /* Initialize all configured input devices */ + for (pDev = xf86ConfigLayout.inputs; pDev && *pDev; pDev++) { + /* Replace obsolete keyboard driver with kbd */ + if (!xf86NameCmp((*pDev)->driver, "keyboard")) { + strcpy((*pDev)->driver, "kbd"); + } + + /* If one fails, the others will too */ + if (xf86NewInputDevice(*pDev, &dev, TRUE) == BadAlloc) + break; + } + + config_init(); +} + +void +CloseInput (void) +{ + config_fini(); +} + +/* + * OsVendorInit -- + * OS/Vendor-specific initialisations. Called from OsInit(), which + * is called by dix before establishing the well known sockets. + */ + +void +OsVendorInit(void) +{ + static Bool beenHere = FALSE; + + signal(SIGCHLD, SIG_DFL); /* Need to wait for child processes */ + + if (!beenHere) { + umask(022); + xf86LogInit(); + } + + /* Set stderr to non-blocking. */ +#ifndef O_NONBLOCK +#if defined(FNDELAY) +#define O_NONBLOCK FNDELAY +#elif defined(O_NDELAY) +#define O_NONBLOCK O_NDELAY +#endif + +#ifdef O_NONBLOCK + if (!beenHere) { + if (geteuid() == 0 && getuid() != geteuid()) + { + int status; + + status = fcntl(fileno(stderr), F_GETFL, 0); + if (status != -1) { + fcntl(fileno(stderr), F_SETFL, status | O_NONBLOCK); + } + } + } +#endif +#endif + + beenHere = TRUE; +} + +/* + * ddxGiveUp -- + * Device dependent cleanup. Called by by dix before normal server death. + * For SYSV386 we must switch the terminal back to normal mode. No error- + * checking here, since there should be restored as much as possible. + */ + +void +ddxGiveUp(void) +{ + int i; + + xf86VGAarbiterFini(); + +#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; + } + +#ifdef XFreeXDGA + DGAShutdown(); +#endif + + if (xorgHWOpenConsole) + xf86CloseConsole(); + + xf86CloseLog(); + + /* If an unexpected signal was caught, dump a core for debugging */ + if (xf86Info.caughtSignal) + OsAbort(); +} + + + +/* + * AbortDDX -- + * DDX - specific abort routine. Called by AbortServer(). The attempt is + * made to restore all original setting of the displays. Also all devices + * are closed. + */ + +void +AbortDDX(void) +{ + 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(); +} + +void +OsVendorFatalError(void) +{ +#ifdef VENDORSUPPORT + ErrorF("\nPlease refer to your Operating System Vendor support pages\n" + "at %s for support on this crash.\n",VENDORSUPPORT); +#else + ErrorF("\nPlease consult the "XVENDORNAME" support \n" + "\t at "__VENDORDWEBSUPPORT__"\n for help. \n"); +#endif + if (xf86LogFile && xf86LogFileWasOpened) + ErrorF("Please also check the log file at \"%s\" for additional " + "information.\n", xf86LogFile); + ErrorF("\n"); +} + +int +xf86SetVerbosity(int verb) +{ + int save = xf86Verbose; + + xf86Verbose = verb; + LogSetParameter(XLOG_VERBOSITY, verb); + return save; +} + +int +xf86SetLogVerbosity(int verb) +{ + int save = xf86LogVerbose; + + xf86LogVerbose = verb; + LogSetParameter(XLOG_FILE_VERBOSITY, verb); + return save; +} + +static void +xf86PrintDefaultModulePath(void) +{ + ErrorF("%s\n", DEFAULT_MODULE_PATH); +} + +static void +xf86PrintDefaultLibraryPath(void) +{ + ErrorF("%s\n", DEFAULT_LIBRARY_PATH); +} + +/* + * ddxProcessArgument -- + * Process device-dependent command line args. Returns 0 if argument is + * not device dependent, otherwise Count of number of elements of argv + * that are part of a device dependent commandline option. + * + */ + +/* ARGSUSED */ +int +ddxProcessArgument(int argc, char **argv, int i) +{ +#define CHECK_FOR_REQUIRED_ARGUMENT() \ + if (((i + 1) >= argc) || (!argv[i + 1])) { \ + ErrorF("Required argument to %s not specified\n", argv[i]); \ + UseMsg(); \ + FatalError("Required argument to %s not specified\n", argv[i]); \ + } + + /* First the options that are only allowed for root */ + if (!strcmp(argv[i], "-modulepath") || !strcmp(argv[i], "-logfile")) { + if ( (geteuid() == 0) && (getuid() != 0) ) { + FatalError("The '%s' option can only be used by root.\n", argv[i]); + } + else if (!strcmp(argv[i], "-modulepath")) + { + char *mp; + CHECK_FOR_REQUIRED_ARGUMENT(); + mp = strdup(argv[i + 1]); + if (!mp) + FatalError("Can't allocate memory for ModulePath\n"); + xf86ModulePath = mp; + xf86ModPathFrom = X_CMDLINE; + return 2; + } + else if (!strcmp(argv[i], "-logfile")) + { + char *lf; + CHECK_FOR_REQUIRED_ARGUMENT(); + lf = strdup(argv[i + 1]); + if (!lf) + FatalError("Can't allocate memory for LogFile\n"); + xf86LogFile = lf; + xf86LogFileFrom = X_CMDLINE; + return 2; + } + } + if (!strcmp(argv[i], "-config") || !strcmp(argv[i], "-xf86config")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + if (getuid() != 0 && !xf86PathIsSafe(argv[i + 1])) { + FatalError("\nInvalid argument for %s\n" + "\tFor non-root users, the file specified with %s must be\n" + "\ta relative path and must not contain any \"..\" elements.\n" + "\tUsing default "__XCONFIGFILE__" search path.\n\n", + argv[i], argv[i]); + } + xf86ConfigFile = argv[i + 1]; + return 2; + } + if (!strcmp(argv[i], "-configdir")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + if (getuid() != 0 && !xf86PathIsSafe(argv[i + 1])) { + FatalError("\nInvalid argument for %s\n" + "\tFor non-root users, the file specified with %s must be\n" + "\ta relative path and must not contain any \"..\" elements.\n" + "\tUsing default "__XCONFIGDIR__" search path.\n\n", + argv[i], argv[i]); + } + xf86ConfigDir = argv[i + 1]; + return 2; + } + if (!strcmp(argv[i],"-flipPixels")) + { + xf86FlipPixels = TRUE; + return 1; + } +#ifdef XF86VIDMODE + if (!strcmp(argv[i],"-disableVidMode")) + { + xf86VidModeDisabled = TRUE; + return 1; + } + if (!strcmp(argv[i],"-allowNonLocalXvidtune")) + { + xf86VidModeAllowNonLocal = TRUE; + return 1; + } +#endif + if (!strcmp(argv[i],"-allowMouseOpenFail")) + { + xf86AllowMouseOpenFail = TRUE; + return 1; + } + if (!strcmp(argv[i],"-ignoreABI")) + { + LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL); + return 1; + } + if (!strcmp(argv[i],"-verbose")) + { + if (++i < argc && argv[i]) + { + char *end; + long val; + val = strtol(argv[i], &end, 0); + if (*end == '\0') + { + xf86SetVerbosity(val); + return 2; + } + } + xf86SetVerbosity(++xf86Verbose); + return 1; + } + if (!strcmp(argv[i],"-logverbose")) + { + if (++i < argc && argv[i]) + { + char *end; + long val; + val = strtol(argv[i], &end, 0); + if (*end == '\0') + { + xf86SetLogVerbosity(val); + return 2; + } + } + xf86SetLogVerbosity(++xf86LogVerbose); + return 1; + } + if (!strcmp(argv[i],"-quiet")) + { + xf86SetVerbosity(-1); + return 1; + } + if (!strcmp(argv[i],"-showconfig") || !strcmp(argv[i],"-version")) + { + xf86PrintBanner(); + exit(0); + } + if (!strcmp(argv[i],"-showDefaultModulePath")) + { + xf86PrintDefaultModulePath(); + exit(0); + } + if (!strcmp(argv[i],"-showDefaultLibPath")) + { + xf86PrintDefaultLibraryPath(); + exit(0); + } + /* Notice the -fp flag, but allow it to pass to the dix layer */ + if (!strcmp(argv[i], "-fp")) + { + xf86fpFlag = TRUE; + return 0; + } + /* Notice the -bs flag, but allow it to pass to the dix layer */ + if (!strcmp(argv[i], "-bs")) + { + xf86bsDisableFlag = TRUE; + return 0; + } + /* Notice the +bs flag, but allow it to pass to the dix layer */ + if (!strcmp(argv[i], "+bs")) + { + xf86bsEnableFlag = TRUE; + return 0; + } + /* Notice the -s flag, but allow it to pass to the dix layer */ + if (!strcmp(argv[i], "-s")) + { + xf86sFlag = TRUE; + return 0; + } + if (!strcmp(argv[i], "-pixmap24")) + { + xf86Pix24 = Pix24Use24; + return 1; + } + if (!strcmp(argv[i], "-pixmap32")) + { + xf86Pix24 = Pix24Use32; + return 1; + } + if (!strcmp(argv[i], "-fbbpp")) + { + int bpp; + CHECK_FOR_REQUIRED_ARGUMENT(); + if (sscanf(argv[++i], "%d", &bpp) == 1) + { + xf86FbBpp = bpp; + return 2; + } + else + { + ErrorF("Invalid fbbpp\n"); + return 0; + } + } + if (!strcmp(argv[i], "-depth")) + { + int depth; + CHECK_FOR_REQUIRED_ARGUMENT(); + if (sscanf(argv[++i], "%d", &depth) == 1) + { + xf86Depth = depth; + return 2; + } + else + { + ErrorF("Invalid depth\n"); + return 0; + } + } + if (!strcmp(argv[i], "-weight")) + { + int red, green, blue; + CHECK_FOR_REQUIRED_ARGUMENT(); + if (sscanf(argv[++i], "%1d%1d%1d", &red, &green, &blue) == 3) + { + xf86Weight.red = red; + xf86Weight.green = green; + xf86Weight.blue = blue; + return 2; + } + else + { + ErrorF("Invalid weighting\n"); + return 0; + } + } + if (!strcmp(argv[i], "-gamma") || !strcmp(argv[i], "-rgamma") || + !strcmp(argv[i], "-ggamma") || !strcmp(argv[i], "-bgamma")) + { + double gamma; + CHECK_FOR_REQUIRED_ARGUMENT(); + if (sscanf(argv[++i], "%lf", &gamma) == 1) { + if (gamma < GAMMA_MIN || gamma > GAMMA_MAX) { + ErrorF("gamma out of range, only %.2f <= gamma_value <= %.1f" + " is valid\n", GAMMA_MIN, GAMMA_MAX); + return 0; + } + if (!strcmp(argv[i-1], "-gamma")) + xf86Gamma.red = xf86Gamma.green = xf86Gamma.blue = gamma; + else if (!strcmp(argv[i-1], "-rgamma")) xf86Gamma.red = gamma; + else if (!strcmp(argv[i-1], "-ggamma")) xf86Gamma.green = gamma; + else if (!strcmp(argv[i-1], "-bgamma")) xf86Gamma.blue = gamma; + return 2; + } + } + if (!strcmp(argv[i], "-layout")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + xf86LayoutName = argv[++i]; + return 2; + } + if (!strcmp(argv[i], "-screen")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + xf86ScreenName = argv[++i]; + return 2; + } + if (!strcmp(argv[i], "-pointer")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + xf86PointerName = argv[++i]; + return 2; + } + if (!strcmp(argv[i], "-keyboard")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + xf86KeyboardName = argv[++i]; + return 2; + } + if (!strcmp(argv[i], "-nosilk")) + { + xf86silkenMouseDisableFlag = TRUE; + return 1; + } +#ifdef HAVE_ACPI + if (!strcmp(argv[i], "-noacpi")) + { + xf86acpiDisableFlag = TRUE; + return 1; + } +#endif + if (!strcmp(argv[i], "-configure")) + { + if (getuid() != 0 && geteuid() == 0) { + ErrorF("The '-configure' option can only be used by root.\n"); + exit(1); + } + xf86DoConfigure = TRUE; + xf86AllowMouseOpenFail = TRUE; + return 1; + } + if (!strcmp(argv[i], "-showopts")) + { + if (getuid() != 0 && geteuid() == 0) { + ErrorF("The '-showopts' option can only be used by root.\n"); + exit(1); + } + xf86DoShowOptions = TRUE; + return 1; + } + if (!strcmp(argv[i], "-isolateDevice")) + { + CHECK_FOR_REQUIRED_ARGUMENT(); + if (strncmp(argv[++i], "PCI:", 4)) { + FatalError("Bus types other than PCI not yet isolable\n"); + } + xf86PciIsolateDevice(argv[i]); + return 2; + } + /* Notice cmdline xkbdir, but pass to dix as well */ + if (!strcmp(argv[i], "-xkbdir")) + { + xf86xkbdirFlag = TRUE; + return 0; + } + + /* OS-specific processing */ + return xf86ProcessArgument(argc, argv, i); +} + +/* + * ddxUseMsg -- + * Print out correct use of device dependent commandline options. + * Maybe the user now knows what really to do ... + */ + +void +ddxUseMsg(void) +{ + ErrorF("\n"); + ErrorF("\n"); + ErrorF("Device Dependent Usage\n"); + if (getuid() == 0 || geteuid() != 0) + { + ErrorF("-modulepath paths specify the module search path\n"); + ErrorF("-logfile file specify a log file name\n"); + ErrorF("-configure probe for devices and write an "__XCONFIGFILE__"\n"); + ErrorF("-showopts print available options for all installed drivers\n"); + } + ErrorF("-config file specify a configuration file, relative to the\n"); + ErrorF(" "__XCONFIGFILE__" search path, only root can use absolute\n"); + ErrorF("-configdir dir specify a configuration directory, relative to the\n"); + ErrorF(" "__XCONFIGDIR__" search path, only root can use absolute\n"); + ErrorF("-verbose [n] verbose startup messages\n"); + ErrorF("-logverbose [n] verbose log messages\n"); + ErrorF("-quiet minimal startup messages\n"); + ErrorF("-pixmap24 use 24bpp pixmaps for depth 24\n"); + ErrorF("-pixmap32 use 32bpp pixmaps for depth 24\n"); + ErrorF("-fbbpp n set bpp for the framebuffer. Default: 8\n"); + ErrorF("-depth n set colour depth. Default: 8\n"); + ErrorF("-gamma f set gamma value (0.1 < f < 10.0) Default: 1.0\n"); + ErrorF("-rgamma f set gamma value for red phase\n"); + ErrorF("-ggamma f set gamma value for green phase\n"); + ErrorF("-bgamma f set gamma value for blue phase\n"); + ErrorF("-weight nnn set RGB weighting at 16 bpp. Default: 565\n"); + ErrorF("-layout name specify the ServerLayout section name\n"); + ErrorF("-screen name specify the Screen section name\n"); + ErrorF("-keyboard name specify the core keyboard InputDevice name\n"); + ErrorF("-pointer name specify the core pointer InputDevice name\n"); + ErrorF("-nosilk disable Silken Mouse\n"); + ErrorF("-flipPixels swap default black/white Pixel values\n"); +#ifdef XF86VIDMODE + ErrorF("-disableVidMode disable mode adjustments with xvidtune\n"); + ErrorF("-allowNonLocalXvidtune allow xvidtune to be run as a non-local client\n"); +#endif + ErrorF("-allowMouseOpenFail start server even if the mouse can't be initialized\n"); + ErrorF("-ignoreABI make module ABI mismatches non-fatal\n"); + ErrorF("-isolateDevice bus_id restrict device resets to bus_id (PCI only)\n"); + ErrorF("-version show the server version\n"); + ErrorF("-showDefaultModulePath show the server default module path\n"); + ErrorF("-showDefaultLibPath show the server default library path\n"); + /* OS-specific usage */ + xf86UseMsg(); + ErrorF("\n"); +} + + +/* + * xf86LoadModules iterates over a list that is being passed in. + */ +Bool +xf86LoadModules(char **list, pointer *optlist) +{ + int errmaj, errmin; + pointer opt; + int i; + char *name; + Bool failed = FALSE; + + if (!list) + return TRUE; + + for (i = 0; list[i] != NULL; i++) { + + /* Normalise the module name */ + name = xf86NormalizeName(list[i]); + + /* Skip empty names */ + if (name == NULL || *name == '\0') { + free(name); + continue; + } + + /* Replace obsolete keyboard driver with kbd */ + if (!xf86NameCmp(name, "keyboard")) { + strcpy(name, "kbd"); + } + + if (optlist) + opt = optlist[i]; + else + opt = NULL; + + if (!LoadModule(name, NULL, NULL, NULL, opt, NULL, &errmaj, &errmin)) { + LoaderErrorMsg(NULL, name, errmaj, errmin); + failed = TRUE; + } + free(name); + } + return !failed; +} + +/* Pixmap format stuff */ + +PixmapFormatPtr +xf86GetPixFormat(ScrnInfoPtr pScrn, int depth) +{ + int i; + static PixmapFormatRec format; /* XXX not reentrant */ + + /* + * When the formats[] list initialisation isn't complete, check the + * depth 24 pixmap config/cmdline options and screen-specified formats. + */ + + if (!formatsDone) { + if (depth == 24) { + Pix24Flags pix24 = Pix24DontCare; + + format.depth = 24; + format.scanlinePad = BITMAP_SCANLINE_PAD; + if (xf86Info.pixmap24 != Pix24DontCare) + pix24 = xf86Info.pixmap24; + else if (pScrn->pixmap24 != Pix24DontCare) + pix24 = pScrn->pixmap24; + if (pix24 == Pix24Use24) + format.bitsPerPixel = 24; + else + format.bitsPerPixel = 32; + return &format; + } + } + + for (i = 0; i < numFormats; i++) + if (formats[i].depth == depth) + break; + if (i != numFormats) + return &formats[i]; + else if (!formatsDone) { + /* Check for screen-specified formats */ + for (i = 0; i < pScrn->numFormats; i++) + if (pScrn->formats[i].depth == depth) + break; + if (i != pScrn->numFormats) + return &pScrn->formats[i]; + } + return NULL; +} + +int +xf86GetBppFromDepth(ScrnInfoPtr pScrn, int depth) +{ + PixmapFormatPtr format; + + + format = xf86GetPixFormat(pScrn, depth); + if (format) + return format->bitsPerPixel; + else + return 0; +} diff --git a/xorg-server/hw/xfree86/dri2/dri2.c b/xorg-server/hw/xfree86/dri2/dri2.c index 7d6f772d7..10be59953 100644 --- a/xorg-server/hw/xfree86/dri2/dri2.c +++ b/xorg-server/hw/xfree86/dri2/dri2.c @@ -1,1227 +1,1232 @@ -/* - * Copyright © 2007, 2008 Red Hat, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Soft- - * ware"), to deal in the Software without restriction, including without - * limitation the rights to use, copy, modify, merge, publish, distribute, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, provided that the above copyright - * notice(s) and this permission notice appear in all copies of the Soft- - * ware and that both the above copyright notice(s) and this permission - * notice appear in supporting documentation. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- - * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY - * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN - * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- - * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- - * MANCE OF THIS SOFTWARE. - * - * Except as contained in this notice, the name of a copyright holder shall - * not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization of - * the copyright holder. - * - * Authors: - * Kristian Høgsberg (krh@redhat.com) - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#ifdef WITH_LIBDRM -#include -#endif -#include "xf86Module.h" -#include "list.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "dixstruct.h" -#include "dri2.h" -#include "xf86VGAarbiter.h" - -#include "xf86.h" - -CARD8 dri2_major; /* version of DRI2 supported by DDX */ -CARD8 dri2_minor; - -static DevPrivateKeyRec dri2ScreenPrivateKeyRec; -#define dri2ScreenPrivateKey (&dri2ScreenPrivateKeyRec) - -static DevPrivateKeyRec dri2WindowPrivateKeyRec; -#define dri2WindowPrivateKey (&dri2WindowPrivateKeyRec) - -static DevPrivateKeyRec dri2PixmapPrivateKeyRec; -#define dri2PixmapPrivateKey (&dri2PixmapPrivateKeyRec) - -static RESTYPE dri2DrawableRes; - -typedef struct _DRI2Screen *DRI2ScreenPtr; - -typedef struct _DRI2Drawable { - DRI2ScreenPtr dri2_screen; - DrawablePtr drawable; - struct list reference_list; - int width; - int height; - DRI2BufferPtr *buffers; - int bufferCount; - unsigned int swapsPending; - ClientPtr blockedClient; - Bool blockedOnMsc; - int swap_interval; - CARD64 swap_count; - int64_t target_sbc; /* -1 means no SBC wait outstanding */ - CARD64 last_swap_target; /* most recently queued swap target */ - CARD64 last_swap_msc; /* msc at completion of most recent swap */ - CARD64 last_swap_ust; /* ust at completion of most recent swap */ - int swap_limit; /* for N-buffering */ - unsigned long serialNumber; -} DRI2DrawableRec, *DRI2DrawablePtr; - -typedef struct _DRI2Screen { - ScreenPtr screen; - int refcnt; - unsigned int numDrivers; - const char **driverNames; - const char *deviceName; - int fd; - unsigned int lastSequence; - - DRI2CreateBufferProcPtr CreateBuffer; - DRI2DestroyBufferProcPtr DestroyBuffer; - DRI2CopyRegionProcPtr CopyRegion; - DRI2ScheduleSwapProcPtr ScheduleSwap; - DRI2GetMSCProcPtr GetMSC; - DRI2ScheduleWaitMSCProcPtr ScheduleWaitMSC; - DRI2AuthMagicProcPtr AuthMagic; - - HandleExposuresProcPtr HandleExposures; - - ConfigNotifyProcPtr ConfigNotify; -} DRI2ScreenRec; - -static DRI2ScreenPtr -DRI2GetScreen(ScreenPtr pScreen) -{ - return dixLookupPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey); -} - -static DRI2DrawablePtr -DRI2GetDrawable(DrawablePtr pDraw) -{ - WindowPtr pWin; - PixmapPtr pPixmap; - - switch (pDraw->type) { - case DRAWABLE_WINDOW: - pWin = (WindowPtr) pDraw; - return dixLookupPrivate(&pWin->devPrivates, dri2WindowPrivateKey); - case DRAWABLE_PIXMAP: - pPixmap = (PixmapPtr) pDraw; - return dixLookupPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey); - default: - return NULL; - } -} - -static unsigned long -DRI2DrawableSerial(DrawablePtr pDraw) -{ - ScreenPtr pScreen = pDraw->pScreen; - PixmapPtr pPix; - - if (pDraw->type != DRAWABLE_WINDOW) - return pDraw->serialNumber; - - pPix = pScreen->GetWindowPixmap((WindowPtr)pDraw); - return pPix->drawable.serialNumber; -} - -static DRI2DrawablePtr -DRI2AllocateDrawable(DrawablePtr pDraw) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - DRI2DrawablePtr pPriv; - CARD64 ust; - WindowPtr pWin; - PixmapPtr pPixmap; - - pPriv = malloc(sizeof *pPriv); - if (pPriv == NULL) - return NULL; - - pPriv->dri2_screen = ds; - pPriv->drawable = pDraw; - pPriv->width = pDraw->width; - pPriv->height = pDraw->height; - pPriv->buffers = NULL; - pPriv->bufferCount = 0; - pPriv->swapsPending = 0; - pPriv->blockedClient = NULL; - pPriv->blockedOnMsc = FALSE; - pPriv->swap_count = 0; - pPriv->target_sbc = -1; - pPriv->swap_interval = 1; - /* Initialize last swap target from DDX if possible */ - if (!ds->GetMSC || !(*ds->GetMSC)(pDraw, &ust, &pPriv->last_swap_target)) - pPriv->last_swap_target = 0; - - pPriv->swap_limit = 1; /* default to double buffering */ - pPriv->last_swap_msc = 0; - pPriv->last_swap_ust = 0; - list_init(&pPriv->reference_list); - pPriv->serialNumber = DRI2DrawableSerial(pDraw); - - if (pDraw->type == DRAWABLE_WINDOW) { - pWin = (WindowPtr) pDraw; - dixSetPrivate(&pWin->devPrivates, dri2WindowPrivateKey, pPriv); - } else { - pPixmap = (PixmapPtr) pDraw; - dixSetPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey, pPriv); - } - - return pPriv; -} - -typedef struct DRI2DrawableRefRec { - XID id; - XID dri2_id; - DRI2InvalidateProcPtr invalidate; - void *priv; - struct list link; -} DRI2DrawableRefRec, *DRI2DrawableRefPtr; - -static DRI2DrawableRefPtr -DRI2LookupDrawableRef(DRI2DrawablePtr pPriv, XID id) -{ - DRI2DrawableRefPtr ref; - - list_for_each_entry(ref, &pPriv->reference_list, link) { - if (ref->id == id) - return ref; - } - - return NULL; -} - -static int -DRI2AddDrawableRef(DRI2DrawablePtr pPriv, XID id, XID dri2_id, - DRI2InvalidateProcPtr invalidate, void *priv) -{ - DRI2DrawableRefPtr ref; - - ref = malloc(sizeof *ref); - if (ref == NULL) - return BadAlloc; - - if (!AddResource(dri2_id, dri2DrawableRes, pPriv)) - return BadAlloc; - if (!DRI2LookupDrawableRef(pPriv, id)) - if (!AddResource(id, dri2DrawableRes, pPriv)) - return BadAlloc; - - ref->id = id; - ref->dri2_id = dri2_id; - ref->invalidate = invalidate; - ref->priv = priv; - list_add(&ref->link, &pPriv->reference_list); - - return Success; -} - -int -DRI2CreateDrawable(ClientPtr client, DrawablePtr pDraw, XID id, - DRI2InvalidateProcPtr invalidate, void *priv) -{ - DRI2DrawablePtr pPriv; - XID dri2_id; - int rc; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - pPriv = DRI2AllocateDrawable(pDraw); - if (pPriv == NULL) - return BadAlloc; - - dri2_id = FakeClientID(client->index); - rc = DRI2AddDrawableRef(pPriv, id, dri2_id, invalidate, priv); - if (rc != Success) - return rc; - - return Success; -} - -static int DRI2DrawableGone(pointer p, XID id) -{ - DRI2DrawablePtr pPriv = p; - DRI2ScreenPtr ds = pPriv->dri2_screen; - DRI2DrawableRefPtr ref, next; - WindowPtr pWin; - PixmapPtr pPixmap; - DrawablePtr pDraw; - int i; - - list_for_each_entry_safe(ref, next, &pPriv->reference_list, link) { - if (ref->dri2_id == id) { - list_del(&ref->link); - /* If this was the last ref under this X drawable XID, - * unregister the X drawable resource. */ - if (!DRI2LookupDrawableRef(pPriv, ref->id)) - FreeResourceByType(ref->id, dri2DrawableRes, TRUE); - free(ref); - break; - } - - if (ref->id == id) { - list_del(&ref->link); - FreeResourceByType(ref->dri2_id, dri2DrawableRes, TRUE); - free(ref); - } - } - - if (!list_is_empty(&pPriv->reference_list)) - return Success; - - pDraw = pPriv->drawable; - if (pDraw->type == DRAWABLE_WINDOW) { - pWin = (WindowPtr) pDraw; - dixSetPrivate(&pWin->devPrivates, dri2WindowPrivateKey, NULL); - } else { - pPixmap = (PixmapPtr) pDraw; - dixSetPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey, NULL); - } - - if (pPriv->buffers != NULL) { - for (i = 0; i < pPriv->bufferCount; i++) - (*ds->DestroyBuffer)(pDraw, pPriv->buffers[i]); - - free(pPriv->buffers); - } - - free(pPriv); - - return Success; -} - -static int -find_attachment(DRI2DrawablePtr pPriv, unsigned attachment) -{ - int i; - - if (pPriv->buffers == NULL) { - return -1; - } - - for (i = 0; i < pPriv->bufferCount; i++) { - if ((pPriv->buffers[i] != NULL) - && (pPriv->buffers[i]->attachment == attachment)) { - return i; - } - } - - return -1; -} - -static Bool -allocate_or_reuse_buffer(DrawablePtr pDraw, DRI2ScreenPtr ds, - DRI2DrawablePtr pPriv, - unsigned int attachment, unsigned int format, - int dimensions_match, DRI2BufferPtr *buffer) -{ - int old_buf = find_attachment(pPriv, attachment); - - if ((old_buf < 0) - || !dimensions_match - || (pPriv->buffers[old_buf]->format != format)) { - *buffer = (*ds->CreateBuffer)(pDraw, attachment, format); - pPriv->serialNumber = DRI2DrawableSerial(pDraw); - return TRUE; - - } else { - *buffer = pPriv->buffers[old_buf]; - pPriv->buffers[old_buf] = NULL; - return FALSE; - } -} - -static void -update_dri2_drawable_buffers(DRI2DrawablePtr pPriv, DrawablePtr pDraw, - DRI2BufferPtr *buffers, int *out_count, int *width, int *height) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - int i; - - if (pPriv->buffers != NULL) { - for (i = 0; i < pPriv->bufferCount; i++) { - if (pPriv->buffers[i] != NULL) { - (*ds->DestroyBuffer)(pDraw, pPriv->buffers[i]); - } - } - - free(pPriv->buffers); - } - - pPriv->buffers = buffers; - pPriv->bufferCount = *out_count; - pPriv->width = pDraw->width; - pPriv->height = pDraw->height; - *width = pPriv->width; - *height = pPriv->height; -} - -static DRI2BufferPtr * -do_get_buffers(DrawablePtr pDraw, int *width, int *height, - unsigned int *attachments, int count, int *out_count, - int has_format) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw); - DRI2BufferPtr *buffers; - int need_real_front = 0; - int need_fake_front = 0; - int have_fake_front = 0; - int front_format = 0; - int dimensions_match; - int buffers_changed = 0; - int i; - - if (!pPriv) { - *width = pDraw->width; - *height = pDraw->height; - *out_count = 0; - return NULL; - } - - dimensions_match = (pDraw->width == pPriv->width) - && (pDraw->height == pPriv->height) - && (pPriv->serialNumber == DRI2DrawableSerial(pDraw)); - - buffers = calloc((count + 1), sizeof(buffers[0])); - - for (i = 0; i < count; i++) { - const unsigned attachment = *(attachments++); - const unsigned format = (has_format) ? *(attachments++) : 0; - - if (allocate_or_reuse_buffer(pDraw, ds, pPriv, attachment, - format, dimensions_match, - &buffers[i])) - buffers_changed = 1; - - if (buffers[i] == NULL) - goto err_out; - - /* If the drawable is a window and the front-buffer is requested, - * silently add the fake front-buffer to the list of requested - * attachments. The counting logic in the loop accounts for the case - * where the client requests both the fake and real front-buffer. - */ - if (attachment == DRI2BufferBackLeft) { - need_real_front++; - front_format = format; - } - - if (attachment == DRI2BufferFrontLeft) { - need_real_front--; - front_format = format; - - if (pDraw->type == DRAWABLE_WINDOW) { - need_fake_front++; - } - } - - if (pDraw->type == DRAWABLE_WINDOW) { - if (attachment == DRI2BufferFakeFrontLeft) { - need_fake_front--; - have_fake_front = 1; - } - } - } - - if (need_real_front > 0) { - if (allocate_or_reuse_buffer(pDraw, ds, pPriv, DRI2BufferFrontLeft, - front_format, dimensions_match, - &buffers[i])) - buffers_changed = 1; - - if (buffers[i] == NULL) - goto err_out; - i++; - } - - if (need_fake_front > 0) { - if (allocate_or_reuse_buffer(pDraw, ds, pPriv, DRI2BufferFakeFrontLeft, - front_format, dimensions_match, - &buffers[i])) - buffers_changed = 1; - - if (buffers[i] == NULL) - goto err_out; - - i++; - have_fake_front = 1; - } - - *out_count = i; - - update_dri2_drawable_buffers(pPriv, pDraw, buffers, out_count, width, height); - - /* If the client is getting a fake front-buffer, pre-fill it with the - * contents of the real front-buffer. This ensures correct operation of - * applications that call glXWaitX before calling glDrawBuffer. - */ - if (have_fake_front && buffers_changed) { - BoxRec box; - RegionRec region; - - box.x1 = 0; - box.y1 = 0; - box.x2 = pPriv->width; - box.y2 = pPriv->height; - RegionInit(®ion, &box, 0); - - DRI2CopyRegion(pDraw, ®ion, DRI2BufferFakeFrontLeft, - DRI2BufferFrontLeft); - } - - return pPriv->buffers; - -err_out: - - *out_count = 0; - - for (i = 0; i < count; i++) { - if (buffers[i] != NULL) - (*ds->DestroyBuffer)(pDraw, buffers[i]); - } - - free(buffers); - buffers = NULL; - - update_dri2_drawable_buffers(pPriv, pDraw, buffers, out_count, width, height); - - return buffers; -} - -DRI2BufferPtr * -DRI2GetBuffers(DrawablePtr pDraw, int *width, int *height, - unsigned int *attachments, int count, int *out_count) -{ - return do_get_buffers(pDraw, width, height, attachments, count, - out_count, FALSE); -} - -DRI2BufferPtr * -DRI2GetBuffersWithFormat(DrawablePtr pDraw, int *width, int *height, - unsigned int *attachments, int count, int *out_count) -{ - return do_get_buffers(pDraw, width, height, attachments, count, - out_count, TRUE); -} - -static void -DRI2InvalidateDrawable(DrawablePtr pDraw) -{ - DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw); - DRI2DrawableRefPtr ref; - - if (!pPriv) - return; - - list_for_each_entry(ref, &pPriv->reference_list, link) - ref->invalidate(pDraw, ref->priv); -} - -/* - * In the direct rendered case, we throttle the clients that have more - * than their share of outstanding swaps (and thus busy buffers) when a - * new GetBuffers request is received. In the AIGLX case, we allow the - * client to get the new buffers, but throttle when the next GLX request - * comes in (see __glXDRIcontextWait()). - */ -Bool -DRI2ThrottleClient(ClientPtr client, DrawablePtr pDraw) -{ - DRI2DrawablePtr pPriv; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - return FALSE; - - /* Throttle to swap limit */ - if ((pPriv->swapsPending >= pPriv->swap_limit) && - !pPriv->blockedClient) { - ResetCurrentRequest(client); - client->sequence--; - IgnoreClient(client); - pPriv->blockedClient = client; - return TRUE; - } - - return FALSE; -} - -static void -__DRI2BlockClient(ClientPtr client, DRI2DrawablePtr pPriv) -{ - if (pPriv->blockedClient == NULL) { - IgnoreClient(client); - pPriv->blockedClient = client; - } -} - -void -DRI2BlockClient(ClientPtr client, DrawablePtr pDraw) -{ - DRI2DrawablePtr pPriv; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - return; - - __DRI2BlockClient(client, pPriv); - pPriv->blockedOnMsc = TRUE; -} - -int -DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion, - unsigned int dest, unsigned int src) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - DRI2DrawablePtr pPriv; - DRI2BufferPtr pDestBuffer, pSrcBuffer; - int i; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - return BadDrawable; - - pDestBuffer = NULL; - pSrcBuffer = NULL; - for (i = 0; i < pPriv->bufferCount; i++) - { - if (pPriv->buffers[i]->attachment == dest) - pDestBuffer = (DRI2BufferPtr) pPriv->buffers[i]; - if (pPriv->buffers[i]->attachment == src) - pSrcBuffer = (DRI2BufferPtr) pPriv->buffers[i]; - } - if (pSrcBuffer == NULL || pDestBuffer == NULL) - return BadValue; - - (*ds->CopyRegion)(pDraw, pRegion, pDestBuffer, pSrcBuffer); - - return Success; -} - -/* Can this drawable be page flipped? */ -Bool -DRI2CanFlip(DrawablePtr pDraw) -{ - ScreenPtr pScreen = pDraw->pScreen; - WindowPtr pWin, pRoot; - PixmapPtr pWinPixmap, pRootPixmap; - - if (pDraw->type == DRAWABLE_PIXMAP) - return TRUE; - - pRoot = pScreen->root; - pRootPixmap = pScreen->GetWindowPixmap(pRoot); - - pWin = (WindowPtr) pDraw; - pWinPixmap = pScreen->GetWindowPixmap(pWin); - if (pRootPixmap != pWinPixmap) - return FALSE; - if (!RegionEqual(&pWin->clipList, &pRoot->winSize)) - return FALSE; - - /* Does the window match the pixmap exactly? */ - if (pDraw->x != 0 || - pDraw->y != 0 || -#ifdef COMPOSITE - pDraw->x != pWinPixmap->screen_x || - pDraw->y != pWinPixmap->screen_y || -#endif - pDraw->width != pWinPixmap->drawable.width || - pDraw->height != pWinPixmap->drawable.height) - return FALSE; - - return TRUE; -} - -/* Can we do a pixmap exchange instead of a blit? */ -Bool -DRI2CanExchange(DrawablePtr pDraw) -{ - return FALSE; -} - -void -DRI2WaitMSCComplete(ClientPtr client, DrawablePtr pDraw, int frame, - unsigned int tv_sec, unsigned int tv_usec) -{ - DRI2DrawablePtr pPriv; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - return; - - ProcDRI2WaitMSCReply(client, ((CARD64)tv_sec * 1000000) + tv_usec, - frame, pPriv->swap_count); - - if (pPriv->blockedClient) - AttendClient(pPriv->blockedClient); - - pPriv->blockedClient = NULL; - pPriv->blockedOnMsc = FALSE; -} - -static void -DRI2WakeClient(ClientPtr client, DrawablePtr pDraw, int frame, - unsigned int tv_sec, unsigned int tv_usec) -{ - ScreenPtr pScreen = pDraw->pScreen; - DRI2DrawablePtr pPriv; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) { - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: bad drawable\n", __func__); - return; - } - - /* - * Swap completed. - * Wake the client iff: - * - it was waiting on SBC - * - was blocked due to GLX make current - * - was blocked due to swap throttling - * - is not blocked due to an MSC wait - */ - if (pPriv->target_sbc != -1 && - pPriv->target_sbc <= pPriv->swap_count) { - ProcDRI2WaitMSCReply(client, ((CARD64)tv_sec * 1000000) + tv_usec, - frame, pPriv->swap_count); - pPriv->target_sbc = -1; - - AttendClient(pPriv->blockedClient); - pPriv->blockedClient = NULL; - } else if (pPriv->target_sbc == -1 && !pPriv->blockedOnMsc) { - if (pPriv->blockedClient) { - AttendClient(pPriv->blockedClient); - pPriv->blockedClient = NULL; - } - } -} - -void -DRI2SwapComplete(ClientPtr client, DrawablePtr pDraw, int frame, - unsigned int tv_sec, unsigned int tv_usec, int type, - DRI2SwapEventPtr swap_complete, void *swap_data) -{ - ScreenPtr pScreen = pDraw->pScreen; - DRI2DrawablePtr pPriv; - CARD64 ust = 0; - BoxRec box; - RegionRec region; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) { - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: bad drawable\n", __func__); - return; - } - - pPriv->swapsPending--; - pPriv->swap_count++; - - box.x1 = 0; - box.y1 = 0; - box.x2 = pDraw->width; - box.y2 = pDraw->height; - RegionInit(®ion, &box, 0); - DRI2CopyRegion(pDraw, ®ion, DRI2BufferFakeFrontLeft, - DRI2BufferFrontLeft); - - ust = ((CARD64)tv_sec * 1000000) + tv_usec; - if (swap_complete) - swap_complete(client, swap_data, type, ust, frame, pPriv->swap_count); - - pPriv->last_swap_msc = frame; - pPriv->last_swap_ust = ust; - - DRI2WakeClient(client, pDraw, frame, tv_sec, tv_usec); -} - -Bool -DRI2WaitSwap(ClientPtr client, DrawablePtr pDrawable) -{ - DRI2DrawablePtr pPriv = DRI2GetDrawable(pDrawable); - - /* If we're currently waiting for a swap on this drawable, reset - * the request and suspend the client. We only support one - * blocked client per drawable. */ - if ((pPriv->swapsPending) && - pPriv->blockedClient == NULL) { - ResetCurrentRequest(client); - client->sequence--; - __DRI2BlockClient(client, pPriv); - return TRUE; - } - - return FALSE; -} - -int -DRI2SwapBuffers(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc, - CARD64 divisor, CARD64 remainder, CARD64 *swap_target, - DRI2SwapEventPtr func, void *data) -{ - ScreenPtr pScreen = pDraw->pScreen; - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - DRI2DrawablePtr pPriv; - DRI2BufferPtr pDestBuffer = NULL, pSrcBuffer = NULL; - int ret, i; - CARD64 ust, current_msc; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) { - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: bad drawable\n", __func__); - return BadDrawable; - } - - for (i = 0; i < pPriv->bufferCount; i++) { - if (pPriv->buffers[i]->attachment == DRI2BufferFrontLeft) - pDestBuffer = (DRI2BufferPtr) pPriv->buffers[i]; - if (pPriv->buffers[i]->attachment == DRI2BufferBackLeft) - pSrcBuffer = (DRI2BufferPtr) pPriv->buffers[i]; - } - if (pSrcBuffer == NULL || pDestBuffer == NULL) { - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: drawable has no back or front?\n", __func__); - return BadDrawable; - } - - /* Old DDX or no swap interval, just blit */ - if (!ds->ScheduleSwap || !pPriv->swap_interval) { - BoxRec box; - RegionRec region; - - box.x1 = 0; - box.y1 = 0; - box.x2 = pDraw->width; - box.y2 = pDraw->height; - RegionInit(®ion, &box, 0); - - pPriv->swapsPending++; - - (*ds->CopyRegion)(pDraw, ®ion, pDestBuffer, pSrcBuffer); - DRI2SwapComplete(client, pDraw, target_msc, 0, 0, DRI2_BLIT_COMPLETE, - func, data); - return Success; - } - - /* - * In the simple glXSwapBuffers case, all params will be 0, and we just - * need to schedule a swap for the last swap target + the swap interval. - */ - if (target_msc == 0 && divisor == 0 && remainder == 0) { - /* If the current vblank count of the drawable's crtc is lower - * than the count stored in last_swap_target from a previous swap - * then reinitialize last_swap_target to the current crtc's msc, - * otherwise the swap will hang. This will happen if the drawable - * is moved to a crtc with a lower refresh rate, or a crtc that just - * got enabled. - */ - if (ds->GetMSC) { - if (!(*ds->GetMSC)(pDraw, &ust, ¤t_msc)) - pPriv->last_swap_target = 0; - - if (current_msc < pPriv->last_swap_target) - pPriv->last_swap_target = current_msc; - - } - - /* - * Swap target for this swap is last swap target + swap interval since - * we have to account for the current swap count, interval, and the - * number of pending swaps. - */ - *swap_target = pPriv->last_swap_target + pPriv->swap_interval; - - } else { - /* glXSwapBuffersMscOML could have a 0 target_msc, honor it */ - *swap_target = target_msc; - } - - pPriv->swapsPending++; - ret = (*ds->ScheduleSwap)(client, pDraw, pDestBuffer, pSrcBuffer, - swap_target, divisor, remainder, func, data); - if (!ret) { - pPriv->swapsPending--; /* didn't schedule */ - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: driver failed to schedule swap\n", __func__); - return BadDrawable; - } - - pPriv->last_swap_target = *swap_target; - - /* According to spec, return expected swapbuffers count SBC after this swap - * will complete. - */ - *swap_target = pPriv->swap_count + pPriv->swapsPending; - - DRI2InvalidateDrawable(pDraw); - - return Success; -} - -void -DRI2SwapInterval(DrawablePtr pDrawable, int interval) -{ - ScreenPtr pScreen = pDrawable->pScreen; - DRI2DrawablePtr pPriv = DRI2GetDrawable(pDrawable); - - if (pPriv == NULL) { - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: bad drawable\n", __func__); - return; - } - - /* fixme: check against arbitrary max? */ - pPriv->swap_interval = interval; -} - -int -DRI2GetMSC(DrawablePtr pDraw, CARD64 *ust, CARD64 *msc, CARD64 *sbc) -{ - ScreenPtr pScreen = pDraw->pScreen; - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - DRI2DrawablePtr pPriv; - Bool ret; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) { - xf86DrvMsg(pScreen->myNum, X_ERROR, - "[DRI2] %s: bad drawable\n", __func__); - return BadDrawable; - } - - if (!ds->GetMSC) { - *ust = 0; - *msc = 0; - *sbc = pPriv->swap_count; - return Success; - } - - /* - * Spec needs to be updated to include unmapped or redirected - * drawables - */ - - ret = (*ds->GetMSC)(pDraw, ust, msc); - if (!ret) - return BadDrawable; - - *sbc = pPriv->swap_count; - - return Success; -} - -int -DRI2WaitMSC(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc, - CARD64 divisor, CARD64 remainder) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); - DRI2DrawablePtr pPriv; - Bool ret; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - return BadDrawable; - - /* Old DDX just completes immediately */ - if (!ds->ScheduleWaitMSC) { - DRI2WaitMSCComplete(client, pDraw, target_msc, 0, 0); - - return Success; - } - - ret = (*ds->ScheduleWaitMSC)(client, pDraw, target_msc, divisor, remainder); - if (!ret) - return BadDrawable; - - return Success; -} - -int -DRI2WaitSBC(ClientPtr client, DrawablePtr pDraw, CARD64 target_sbc) -{ - DRI2DrawablePtr pPriv; - - pPriv = DRI2GetDrawable(pDraw); - if (pPriv == NULL) - return BadDrawable; - - /* target_sbc == 0 means to block until all pending swaps are - * finished. Recalculate target_sbc to get that behaviour. - */ - if (target_sbc == 0) - target_sbc = pPriv->swap_count + pPriv->swapsPending; - - /* If current swap count already >= target_sbc, reply and - * return immediately with (ust, msc, sbc) triplet of - * most recent completed swap. - */ - if (pPriv->swap_count >= target_sbc) { - ProcDRI2WaitMSCReply(client, pPriv->last_swap_ust, - pPriv->last_swap_msc, pPriv->swap_count); - return Success; - } - - pPriv->target_sbc = target_sbc; - __DRI2BlockClient(client, pPriv); - - return Success; -} - -Bool -DRI2HasSwapControl(ScreenPtr pScreen) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pScreen); - - return ds->ScheduleSwap && ds->GetMSC; -} - -Bool -DRI2Connect(ScreenPtr pScreen, unsigned int driverType, int *fd, - const char **driverName, const char **deviceName) -{ - DRI2ScreenPtr ds; - - if (!dixPrivateKeyRegistered(dri2ScreenPrivateKey)) - return FALSE; - - ds = DRI2GetScreen(pScreen); - if (ds == NULL || driverType >= ds->numDrivers || - !ds->driverNames[driverType]) - return FALSE; - - *fd = ds->fd; - *driverName = ds->driverNames[driverType]; - *deviceName = ds->deviceName; - - return TRUE; -} - -Bool -DRI2Authenticate(ScreenPtr pScreen, uint32_t magic) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pScreen); - - if (ds == NULL || (*ds->AuthMagic)(ds->fd, magic)) - return FALSE; - - return TRUE; -} - -static int -DRI2ConfigNotify(WindowPtr pWin, int x, int y, int w, int h, int bw, - WindowPtr pSib) -{ - DrawablePtr pDraw = (DrawablePtr)pWin; - ScreenPtr pScreen = pDraw->pScreen; - DRI2ScreenPtr ds = DRI2GetScreen(pScreen); - DRI2DrawablePtr dd = DRI2GetDrawable(pDraw); - int ret; - - if (ds->ConfigNotify) { - pScreen->ConfigNotify = ds->ConfigNotify; - - ret = (*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib); - - ds->ConfigNotify = pScreen->ConfigNotify; - pScreen->ConfigNotify = DRI2ConfigNotify; - if (ret) - return ret; - } - - if (!dd || (dd->width == w && dd->height == h)) - return Success; - - DRI2InvalidateDrawable(pDraw); - return Success; -} - -Bool -DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info) -{ - DRI2ScreenPtr ds; - const char* driverTypeNames[] = { - "DRI", /* DRI2DriverDRI */ - "VDPAU", /* DRI2DriverVDPAU */ - }; - unsigned int i; - CARD8 cur_minor; - - if (info->version < 3) - return FALSE; - - if (!xf86VGAarbiterAllowDRI(pScreen)) { - xf86DrvMsg(pScreen->myNum, X_WARNING, - "[DRI2] Direct rendering is not supported when VGA arb is necessary for the device\n"); - return FALSE; - } - - if (!dixRegisterPrivateKey(&dri2ScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - - if (!dixRegisterPrivateKey(&dri2WindowPrivateKeyRec, PRIVATE_WINDOW, 0)) - return FALSE; - - if (!dixRegisterPrivateKey(&dri2PixmapPrivateKeyRec, PRIVATE_PIXMAP, 0)) - return FALSE; - - ds = calloc(1, sizeof *ds); - if (!ds) - return FALSE; - - ds->screen = pScreen; - ds->fd = info->fd; - ds->deviceName = info->deviceName; - dri2_major = 1; - - ds->CreateBuffer = info->CreateBuffer; - ds->DestroyBuffer = info->DestroyBuffer; - ds->CopyRegion = info->CopyRegion; - - if (info->version >= 4) { - ds->ScheduleSwap = info->ScheduleSwap; - ds->ScheduleWaitMSC = info->ScheduleWaitMSC; - ds->GetMSC = info->GetMSC; - cur_minor = 3; - } else { - cur_minor = 1; - } - - if (info->version >= 5) { - ds->AuthMagic = info->AuthMagic; - } - - /* - * if the driver doesn't provide an AuthMagic function or the info struct - * version is too low, it relies on the old method (using libdrm) or fail - */ - if (!ds->AuthMagic) -#ifdef WITH_LIBDRM - ds->AuthMagic = drmAuthMagic; -#else - goto err_out; -#endif - - /* Initialize minor if needed and set to minimum provied by DDX */ - if (!dri2_minor || dri2_minor > cur_minor) - dri2_minor = cur_minor; - - if (info->version == 3 || info->numDrivers == 0) { - /* Driver too old: use the old-style driverName field */ - ds->numDrivers = 1; - ds->driverNames = malloc(sizeof(*ds->driverNames)); - if (!ds->driverNames) - goto err_out; - ds->driverNames[0] = info->driverName; - } else { - ds->numDrivers = info->numDrivers; - ds->driverNames = malloc(info->numDrivers * sizeof(*ds->driverNames)); - if (!ds->driverNames) - goto err_out; - memcpy(ds->driverNames, info->driverNames, - info->numDrivers * sizeof(*ds->driverNames)); - } - - dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds); - - ds->ConfigNotify = pScreen->ConfigNotify; - pScreen->ConfigNotify = DRI2ConfigNotify; - - xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] Setup complete\n"); - for (i = 0; i < sizeof(driverTypeNames) / sizeof(driverTypeNames[0]); i++) { - if (i < ds->numDrivers && ds->driverNames[i]) { - xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] %s driver: %s\n", - driverTypeNames[i], ds->driverNames[i]); - } - } - - return TRUE; - -err_out: - xf86DrvMsg(pScreen->myNum, X_WARNING, - "[DRI2] Initialization failed for info version %d.\n", info->version); - free(ds); - return FALSE; -} - -void -DRI2CloseScreen(ScreenPtr pScreen) -{ - DRI2ScreenPtr ds = DRI2GetScreen(pScreen); - - free(ds->driverNames); - free(ds); - dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, NULL); -} - -extern ExtensionModule dri2ExtensionModule; - -static pointer -DRI2Setup(pointer module, pointer opts, int *errmaj, int *errmin) -{ - static Bool setupDone = FALSE; - - dri2DrawableRes = CreateNewResourceType(DRI2DrawableGone, "DRI2Drawable"); - - if (!setupDone) - { - setupDone = TRUE; - LoadExtension(&dri2ExtensionModule, FALSE); - } - else - { - if (errmaj) - *errmaj = LDR_ONCEONLY; - } - - return (pointer) 1; -} - -static XF86ModuleVersionInfo DRI2VersRec = -{ - "dri2", - MODULEVENDORSTRING, - MODINFOSTRING1, - MODINFOSTRING2, - XORG_VERSION_CURRENT, - 1, 2, 0, - ABI_CLASS_EXTENSION, - ABI_EXTENSION_VERSION, - MOD_CLASS_NONE, - { 0, 0, 0, 0 } -}; - -_X_EXPORT XF86ModuleData dri2ModuleData = { &DRI2VersRec, DRI2Setup, NULL }; - -void -DRI2Version(int *major, int *minor) -{ - if (major != NULL) - *major = DRI2VersRec.majorversion; - - if (minor != NULL) - *minor = DRI2VersRec.minorversion; -} +/* + * Copyright © 2007, 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Soft- + * ware"), to deal in the Software without restriction, including without + * limitation the rights to use, copy, modify, merge, publish, distribute, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, provided that the above copyright + * notice(s) and this permission notice appear in all copies of the Soft- + * ware and that both the above copyright notice(s) and this permission + * notice appear in supporting documentation. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- + * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY + * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN + * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- + * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- + * MANCE OF THIS SOFTWARE. + * + * Except as contained in this notice, the name of a copyright holder shall + * not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization of + * the copyright holder. + * + * Authors: + * Kristian Høgsberg (krh@redhat.com) + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#ifdef WITH_LIBDRM +#include +#endif +#include "xf86Module.h" +#include "list.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "dixstruct.h" +#include "dri2.h" +#include "xf86VGAarbiter.h" + +#include "xf86.h" + +CARD8 dri2_major; /* version of DRI2 supported by DDX */ +CARD8 dri2_minor; + +static DevPrivateKeyRec dri2ScreenPrivateKeyRec; +#define dri2ScreenPrivateKey (&dri2ScreenPrivateKeyRec) + +static DevPrivateKeyRec dri2WindowPrivateKeyRec; +#define dri2WindowPrivateKey (&dri2WindowPrivateKeyRec) + +static DevPrivateKeyRec dri2PixmapPrivateKeyRec; +#define dri2PixmapPrivateKey (&dri2PixmapPrivateKeyRec) + +static RESTYPE dri2DrawableRes; + +typedef struct _DRI2Screen *DRI2ScreenPtr; + +typedef struct _DRI2Drawable { + DRI2ScreenPtr dri2_screen; + DrawablePtr drawable; + struct list reference_list; + int width; + int height; + DRI2BufferPtr *buffers; + int bufferCount; + unsigned int swapsPending; + ClientPtr blockedClient; + Bool blockedOnMsc; + int swap_interval; + CARD64 swap_count; + int64_t target_sbc; /* -1 means no SBC wait outstanding */ + CARD64 last_swap_target; /* most recently queued swap target */ + CARD64 last_swap_msc; /* msc at completion of most recent swap */ + CARD64 last_swap_ust; /* ust at completion of most recent swap */ + int swap_limit; /* for N-buffering */ + unsigned long serialNumber; +} DRI2DrawableRec, *DRI2DrawablePtr; + +typedef struct _DRI2Screen { + ScreenPtr screen; + int refcnt; + unsigned int numDrivers; + const char **driverNames; + const char *deviceName; + int fd; + unsigned int lastSequence; + + DRI2CreateBufferProcPtr CreateBuffer; + DRI2DestroyBufferProcPtr DestroyBuffer; + DRI2CopyRegionProcPtr CopyRegion; + DRI2ScheduleSwapProcPtr ScheduleSwap; + DRI2GetMSCProcPtr GetMSC; + DRI2ScheduleWaitMSCProcPtr ScheduleWaitMSC; + DRI2AuthMagicProcPtr AuthMagic; + + HandleExposuresProcPtr HandleExposures; + + ConfigNotifyProcPtr ConfigNotify; +} DRI2ScreenRec; + +static DRI2ScreenPtr +DRI2GetScreen(ScreenPtr pScreen) +{ + return dixLookupPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey); +} + +static DRI2DrawablePtr +DRI2GetDrawable(DrawablePtr pDraw) +{ + WindowPtr pWin; + PixmapPtr pPixmap; + + switch (pDraw->type) { + case DRAWABLE_WINDOW: + pWin = (WindowPtr) pDraw; + return dixLookupPrivate(&pWin->devPrivates, dri2WindowPrivateKey); + case DRAWABLE_PIXMAP: + pPixmap = (PixmapPtr) pDraw; + return dixLookupPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey); + default: + return NULL; + } +} + +static unsigned long +DRI2DrawableSerial(DrawablePtr pDraw) +{ + ScreenPtr pScreen = pDraw->pScreen; + PixmapPtr pPix; + + if (pDraw->type != DRAWABLE_WINDOW) + return pDraw->serialNumber; + + pPix = pScreen->GetWindowPixmap((WindowPtr)pDraw); + return pPix->drawable.serialNumber; +} + +static DRI2DrawablePtr +DRI2AllocateDrawable(DrawablePtr pDraw) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + DRI2DrawablePtr pPriv; + CARD64 ust; + WindowPtr pWin; + PixmapPtr pPixmap; + + pPriv = malloc(sizeof *pPriv); + if (pPriv == NULL) + return NULL; + + pPriv->dri2_screen = ds; + pPriv->drawable = pDraw; + pPriv->width = pDraw->width; + pPriv->height = pDraw->height; + pPriv->buffers = NULL; + pPriv->bufferCount = 0; + pPriv->swapsPending = 0; + pPriv->blockedClient = NULL; + pPriv->blockedOnMsc = FALSE; + pPriv->swap_count = 0; + pPriv->target_sbc = -1; + pPriv->swap_interval = 1; + /* Initialize last swap target from DDX if possible */ + if (!ds->GetMSC || !(*ds->GetMSC)(pDraw, &ust, &pPriv->last_swap_target)) + pPriv->last_swap_target = 0; + + pPriv->swap_limit = 1; /* default to double buffering */ + pPriv->last_swap_msc = 0; + pPriv->last_swap_ust = 0; + list_init(&pPriv->reference_list); + pPriv->serialNumber = DRI2DrawableSerial(pDraw); + + if (pDraw->type == DRAWABLE_WINDOW) { + pWin = (WindowPtr) pDraw; + dixSetPrivate(&pWin->devPrivates, dri2WindowPrivateKey, pPriv); + } else { + pPixmap = (PixmapPtr) pDraw; + dixSetPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey, pPriv); + } + + return pPriv; +} + +typedef struct DRI2DrawableRefRec { + XID id; + XID dri2_id; + DRI2InvalidateProcPtr invalidate; + void *priv; + struct list link; +} DRI2DrawableRefRec, *DRI2DrawableRefPtr; + +static DRI2DrawableRefPtr +DRI2LookupDrawableRef(DRI2DrawablePtr pPriv, XID id) +{ + DRI2DrawableRefPtr ref; + + list_for_each_entry(ref, &pPriv->reference_list, link) { + if (ref->id == id) + return ref; + } + + return NULL; +} + +static int +DRI2AddDrawableRef(DRI2DrawablePtr pPriv, XID id, XID dri2_id, + DRI2InvalidateProcPtr invalidate, void *priv) +{ + DRI2DrawableRefPtr ref; + + ref = malloc(sizeof *ref); + if (ref == NULL) + return BadAlloc; + + if (!AddResource(dri2_id, dri2DrawableRes, pPriv)) { + free(ref); + return BadAlloc; + } + if (!DRI2LookupDrawableRef(pPriv, id)) + if (!AddResource(id, dri2DrawableRes, pPriv)) { + FreeResourceByType(dri2_id, dri2DrawableRes, TRUE); + free(ref); + return BadAlloc; + } + + ref->id = id; + ref->dri2_id = dri2_id; + ref->invalidate = invalidate; + ref->priv = priv; + list_add(&ref->link, &pPriv->reference_list); + + return Success; +} + +int +DRI2CreateDrawable(ClientPtr client, DrawablePtr pDraw, XID id, + DRI2InvalidateProcPtr invalidate, void *priv) +{ + DRI2DrawablePtr pPriv; + XID dri2_id; + int rc; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + pPriv = DRI2AllocateDrawable(pDraw); + if (pPriv == NULL) + return BadAlloc; + + dri2_id = FakeClientID(client->index); + rc = DRI2AddDrawableRef(pPriv, id, dri2_id, invalidate, priv); + if (rc != Success) + return rc; + + return Success; +} + +static int DRI2DrawableGone(pointer p, XID id) +{ + DRI2DrawablePtr pPriv = p; + DRI2ScreenPtr ds = pPriv->dri2_screen; + DRI2DrawableRefPtr ref, next; + WindowPtr pWin; + PixmapPtr pPixmap; + DrawablePtr pDraw; + int i; + + list_for_each_entry_safe(ref, next, &pPriv->reference_list, link) { + if (ref->dri2_id == id) { + list_del(&ref->link); + /* If this was the last ref under this X drawable XID, + * unregister the X drawable resource. */ + if (!DRI2LookupDrawableRef(pPriv, ref->id)) + FreeResourceByType(ref->id, dri2DrawableRes, TRUE); + free(ref); + break; + } + + if (ref->id == id) { + list_del(&ref->link); + FreeResourceByType(ref->dri2_id, dri2DrawableRes, TRUE); + free(ref); + } + } + + if (!list_is_empty(&pPriv->reference_list)) + return Success; + + pDraw = pPriv->drawable; + if (pDraw->type == DRAWABLE_WINDOW) { + pWin = (WindowPtr) pDraw; + dixSetPrivate(&pWin->devPrivates, dri2WindowPrivateKey, NULL); + } else { + pPixmap = (PixmapPtr) pDraw; + dixSetPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey, NULL); + } + + if (pPriv->buffers != NULL) { + for (i = 0; i < pPriv->bufferCount; i++) + (*ds->DestroyBuffer)(pDraw, pPriv->buffers[i]); + + free(pPriv->buffers); + } + + free(pPriv); + + return Success; +} + +static int +find_attachment(DRI2DrawablePtr pPriv, unsigned attachment) +{ + int i; + + if (pPriv->buffers == NULL) { + return -1; + } + + for (i = 0; i < pPriv->bufferCount; i++) { + if ((pPriv->buffers[i] != NULL) + && (pPriv->buffers[i]->attachment == attachment)) { + return i; + } + } + + return -1; +} + +static Bool +allocate_or_reuse_buffer(DrawablePtr pDraw, DRI2ScreenPtr ds, + DRI2DrawablePtr pPriv, + unsigned int attachment, unsigned int format, + int dimensions_match, DRI2BufferPtr *buffer) +{ + int old_buf = find_attachment(pPriv, attachment); + + if ((old_buf < 0) + || !dimensions_match + || (pPriv->buffers[old_buf]->format != format)) { + *buffer = (*ds->CreateBuffer)(pDraw, attachment, format); + pPriv->serialNumber = DRI2DrawableSerial(pDraw); + return TRUE; + + } else { + *buffer = pPriv->buffers[old_buf]; + pPriv->buffers[old_buf] = NULL; + return FALSE; + } +} + +static void +update_dri2_drawable_buffers(DRI2DrawablePtr pPriv, DrawablePtr pDraw, + DRI2BufferPtr *buffers, int *out_count, int *width, int *height) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + int i; + + if (pPriv->buffers != NULL) { + for (i = 0; i < pPriv->bufferCount; i++) { + if (pPriv->buffers[i] != NULL) { + (*ds->DestroyBuffer)(pDraw, pPriv->buffers[i]); + } + } + + free(pPriv->buffers); + } + + pPriv->buffers = buffers; + pPriv->bufferCount = *out_count; + pPriv->width = pDraw->width; + pPriv->height = pDraw->height; + *width = pPriv->width; + *height = pPriv->height; +} + +static DRI2BufferPtr * +do_get_buffers(DrawablePtr pDraw, int *width, int *height, + unsigned int *attachments, int count, int *out_count, + int has_format) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw); + DRI2BufferPtr *buffers; + int need_real_front = 0; + int need_fake_front = 0; + int have_fake_front = 0; + int front_format = 0; + int dimensions_match; + int buffers_changed = 0; + int i; + + if (!pPriv) { + *width = pDraw->width; + *height = pDraw->height; + *out_count = 0; + return NULL; + } + + dimensions_match = (pDraw->width == pPriv->width) + && (pDraw->height == pPriv->height) + && (pPriv->serialNumber == DRI2DrawableSerial(pDraw)); + + buffers = calloc((count + 1), sizeof(buffers[0])); + + for (i = 0; i < count; i++) { + const unsigned attachment = *(attachments++); + const unsigned format = (has_format) ? *(attachments++) : 0; + + if (allocate_or_reuse_buffer(pDraw, ds, pPriv, attachment, + format, dimensions_match, + &buffers[i])) + buffers_changed = 1; + + if (buffers[i] == NULL) + goto err_out; + + /* If the drawable is a window and the front-buffer is requested, + * silently add the fake front-buffer to the list of requested + * attachments. The counting logic in the loop accounts for the case + * where the client requests both the fake and real front-buffer. + */ + if (attachment == DRI2BufferBackLeft) { + need_real_front++; + front_format = format; + } + + if (attachment == DRI2BufferFrontLeft) { + need_real_front--; + front_format = format; + + if (pDraw->type == DRAWABLE_WINDOW) { + need_fake_front++; + } + } + + if (pDraw->type == DRAWABLE_WINDOW) { + if (attachment == DRI2BufferFakeFrontLeft) { + need_fake_front--; + have_fake_front = 1; + } + } + } + + if (need_real_front > 0) { + if (allocate_or_reuse_buffer(pDraw, ds, pPriv, DRI2BufferFrontLeft, + front_format, dimensions_match, + &buffers[i])) + buffers_changed = 1; + + if (buffers[i] == NULL) + goto err_out; + i++; + } + + if (need_fake_front > 0) { + if (allocate_or_reuse_buffer(pDraw, ds, pPriv, DRI2BufferFakeFrontLeft, + front_format, dimensions_match, + &buffers[i])) + buffers_changed = 1; + + if (buffers[i] == NULL) + goto err_out; + + i++; + have_fake_front = 1; + } + + *out_count = i; + + update_dri2_drawable_buffers(pPriv, pDraw, buffers, out_count, width, height); + + /* If the client is getting a fake front-buffer, pre-fill it with the + * contents of the real front-buffer. This ensures correct operation of + * applications that call glXWaitX before calling glDrawBuffer. + */ + if (have_fake_front && buffers_changed) { + BoxRec box; + RegionRec region; + + box.x1 = 0; + box.y1 = 0; + box.x2 = pPriv->width; + box.y2 = pPriv->height; + RegionInit(®ion, &box, 0); + + DRI2CopyRegion(pDraw, ®ion, DRI2BufferFakeFrontLeft, + DRI2BufferFrontLeft); + } + + return pPriv->buffers; + +err_out: + + *out_count = 0; + + for (i = 0; i < count; i++) { + if (buffers[i] != NULL) + (*ds->DestroyBuffer)(pDraw, buffers[i]); + } + + free(buffers); + buffers = NULL; + + update_dri2_drawable_buffers(pPriv, pDraw, buffers, out_count, width, height); + + return buffers; +} + +DRI2BufferPtr * +DRI2GetBuffers(DrawablePtr pDraw, int *width, int *height, + unsigned int *attachments, int count, int *out_count) +{ + return do_get_buffers(pDraw, width, height, attachments, count, + out_count, FALSE); +} + +DRI2BufferPtr * +DRI2GetBuffersWithFormat(DrawablePtr pDraw, int *width, int *height, + unsigned int *attachments, int count, int *out_count) +{ + return do_get_buffers(pDraw, width, height, attachments, count, + out_count, TRUE); +} + +static void +DRI2InvalidateDrawable(DrawablePtr pDraw) +{ + DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw); + DRI2DrawableRefPtr ref; + + if (!pPriv) + return; + + list_for_each_entry(ref, &pPriv->reference_list, link) + ref->invalidate(pDraw, ref->priv); +} + +/* + * In the direct rendered case, we throttle the clients that have more + * than their share of outstanding swaps (and thus busy buffers) when a + * new GetBuffers request is received. In the AIGLX case, we allow the + * client to get the new buffers, but throttle when the next GLX request + * comes in (see __glXDRIcontextWait()). + */ +Bool +DRI2ThrottleClient(ClientPtr client, DrawablePtr pDraw) +{ + DRI2DrawablePtr pPriv; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + return FALSE; + + /* Throttle to swap limit */ + if ((pPriv->swapsPending >= pPriv->swap_limit) && + !pPriv->blockedClient) { + ResetCurrentRequest(client); + client->sequence--; + IgnoreClient(client); + pPriv->blockedClient = client; + return TRUE; + } + + return FALSE; +} + +static void +__DRI2BlockClient(ClientPtr client, DRI2DrawablePtr pPriv) +{ + if (pPriv->blockedClient == NULL) { + IgnoreClient(client); + pPriv->blockedClient = client; + } +} + +void +DRI2BlockClient(ClientPtr client, DrawablePtr pDraw) +{ + DRI2DrawablePtr pPriv; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + return; + + __DRI2BlockClient(client, pPriv); + pPriv->blockedOnMsc = TRUE; +} + +int +DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion, + unsigned int dest, unsigned int src) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + DRI2DrawablePtr pPriv; + DRI2BufferPtr pDestBuffer, pSrcBuffer; + int i; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + return BadDrawable; + + pDestBuffer = NULL; + pSrcBuffer = NULL; + for (i = 0; i < pPriv->bufferCount; i++) + { + if (pPriv->buffers[i]->attachment == dest) + pDestBuffer = (DRI2BufferPtr) pPriv->buffers[i]; + if (pPriv->buffers[i]->attachment == src) + pSrcBuffer = (DRI2BufferPtr) pPriv->buffers[i]; + } + if (pSrcBuffer == NULL || pDestBuffer == NULL) + return BadValue; + + (*ds->CopyRegion)(pDraw, pRegion, pDestBuffer, pSrcBuffer); + + return Success; +} + +/* Can this drawable be page flipped? */ +Bool +DRI2CanFlip(DrawablePtr pDraw) +{ + ScreenPtr pScreen = pDraw->pScreen; + WindowPtr pWin, pRoot; + PixmapPtr pWinPixmap, pRootPixmap; + + if (pDraw->type == DRAWABLE_PIXMAP) + return TRUE; + + pRoot = pScreen->root; + pRootPixmap = pScreen->GetWindowPixmap(pRoot); + + pWin = (WindowPtr) pDraw; + pWinPixmap = pScreen->GetWindowPixmap(pWin); + if (pRootPixmap != pWinPixmap) + return FALSE; + if (!RegionEqual(&pWin->clipList, &pRoot->winSize)) + return FALSE; + + /* Does the window match the pixmap exactly? */ + if (pDraw->x != 0 || + pDraw->y != 0 || +#ifdef COMPOSITE + pDraw->x != pWinPixmap->screen_x || + pDraw->y != pWinPixmap->screen_y || +#endif + pDraw->width != pWinPixmap->drawable.width || + pDraw->height != pWinPixmap->drawable.height) + return FALSE; + + return TRUE; +} + +/* Can we do a pixmap exchange instead of a blit? */ +Bool +DRI2CanExchange(DrawablePtr pDraw) +{ + return FALSE; +} + +void +DRI2WaitMSCComplete(ClientPtr client, DrawablePtr pDraw, int frame, + unsigned int tv_sec, unsigned int tv_usec) +{ + DRI2DrawablePtr pPriv; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + return; + + ProcDRI2WaitMSCReply(client, ((CARD64)tv_sec * 1000000) + tv_usec, + frame, pPriv->swap_count); + + if (pPriv->blockedClient) + AttendClient(pPriv->blockedClient); + + pPriv->blockedClient = NULL; + pPriv->blockedOnMsc = FALSE; +} + +static void +DRI2WakeClient(ClientPtr client, DrawablePtr pDraw, int frame, + unsigned int tv_sec, unsigned int tv_usec) +{ + ScreenPtr pScreen = pDraw->pScreen; + DRI2DrawablePtr pPriv; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) { + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: bad drawable\n", __func__); + return; + } + + /* + * Swap completed. + * Wake the client iff: + * - it was waiting on SBC + * - was blocked due to GLX make current + * - was blocked due to swap throttling + * - is not blocked due to an MSC wait + */ + if (pPriv->target_sbc != -1 && + pPriv->target_sbc <= pPriv->swap_count) { + ProcDRI2WaitMSCReply(client, ((CARD64)tv_sec * 1000000) + tv_usec, + frame, pPriv->swap_count); + pPriv->target_sbc = -1; + + AttendClient(pPriv->blockedClient); + pPriv->blockedClient = NULL; + } else if (pPriv->target_sbc == -1 && !pPriv->blockedOnMsc) { + if (pPriv->blockedClient) { + AttendClient(pPriv->blockedClient); + pPriv->blockedClient = NULL; + } + } +} + +void +DRI2SwapComplete(ClientPtr client, DrawablePtr pDraw, int frame, + unsigned int tv_sec, unsigned int tv_usec, int type, + DRI2SwapEventPtr swap_complete, void *swap_data) +{ + ScreenPtr pScreen = pDraw->pScreen; + DRI2DrawablePtr pPriv; + CARD64 ust = 0; + BoxRec box; + RegionRec region; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) { + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: bad drawable\n", __func__); + return; + } + + pPriv->swapsPending--; + pPriv->swap_count++; + + box.x1 = 0; + box.y1 = 0; + box.x2 = pDraw->width; + box.y2 = pDraw->height; + RegionInit(®ion, &box, 0); + DRI2CopyRegion(pDraw, ®ion, DRI2BufferFakeFrontLeft, + DRI2BufferFrontLeft); + + ust = ((CARD64)tv_sec * 1000000) + tv_usec; + if (swap_complete) + swap_complete(client, swap_data, type, ust, frame, pPriv->swap_count); + + pPriv->last_swap_msc = frame; + pPriv->last_swap_ust = ust; + + DRI2WakeClient(client, pDraw, frame, tv_sec, tv_usec); +} + +Bool +DRI2WaitSwap(ClientPtr client, DrawablePtr pDrawable) +{ + DRI2DrawablePtr pPriv = DRI2GetDrawable(pDrawable); + + /* If we're currently waiting for a swap on this drawable, reset + * the request and suspend the client. We only support one + * blocked client per drawable. */ + if ((pPriv->swapsPending) && + pPriv->blockedClient == NULL) { + ResetCurrentRequest(client); + client->sequence--; + __DRI2BlockClient(client, pPriv); + return TRUE; + } + + return FALSE; +} + +int +DRI2SwapBuffers(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc, + CARD64 divisor, CARD64 remainder, CARD64 *swap_target, + DRI2SwapEventPtr func, void *data) +{ + ScreenPtr pScreen = pDraw->pScreen; + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + DRI2DrawablePtr pPriv; + DRI2BufferPtr pDestBuffer = NULL, pSrcBuffer = NULL; + int ret, i; + CARD64 ust, current_msc; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) { + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: bad drawable\n", __func__); + return BadDrawable; + } + + for (i = 0; i < pPriv->bufferCount; i++) { + if (pPriv->buffers[i]->attachment == DRI2BufferFrontLeft) + pDestBuffer = (DRI2BufferPtr) pPriv->buffers[i]; + if (pPriv->buffers[i]->attachment == DRI2BufferBackLeft) + pSrcBuffer = (DRI2BufferPtr) pPriv->buffers[i]; + } + if (pSrcBuffer == NULL || pDestBuffer == NULL) { + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: drawable has no back or front?\n", __func__); + return BadDrawable; + } + + /* Old DDX or no swap interval, just blit */ + if (!ds->ScheduleSwap || !pPriv->swap_interval) { + BoxRec box; + RegionRec region; + + box.x1 = 0; + box.y1 = 0; + box.x2 = pDraw->width; + box.y2 = pDraw->height; + RegionInit(®ion, &box, 0); + + pPriv->swapsPending++; + + (*ds->CopyRegion)(pDraw, ®ion, pDestBuffer, pSrcBuffer); + DRI2SwapComplete(client, pDraw, target_msc, 0, 0, DRI2_BLIT_COMPLETE, + func, data); + return Success; + } + + /* + * In the simple glXSwapBuffers case, all params will be 0, and we just + * need to schedule a swap for the last swap target + the swap interval. + */ + if (target_msc == 0 && divisor == 0 && remainder == 0) { + /* If the current vblank count of the drawable's crtc is lower + * than the count stored in last_swap_target from a previous swap + * then reinitialize last_swap_target to the current crtc's msc, + * otherwise the swap will hang. This will happen if the drawable + * is moved to a crtc with a lower refresh rate, or a crtc that just + * got enabled. + */ + if (ds->GetMSC) { + if (!(*ds->GetMSC)(pDraw, &ust, ¤t_msc)) + pPriv->last_swap_target = 0; + + if (current_msc < pPriv->last_swap_target) + pPriv->last_swap_target = current_msc; + + } + + /* + * Swap target for this swap is last swap target + swap interval since + * we have to account for the current swap count, interval, and the + * number of pending swaps. + */ + *swap_target = pPriv->last_swap_target + pPriv->swap_interval; + + } else { + /* glXSwapBuffersMscOML could have a 0 target_msc, honor it */ + *swap_target = target_msc; + } + + pPriv->swapsPending++; + ret = (*ds->ScheduleSwap)(client, pDraw, pDestBuffer, pSrcBuffer, + swap_target, divisor, remainder, func, data); + if (!ret) { + pPriv->swapsPending--; /* didn't schedule */ + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: driver failed to schedule swap\n", __func__); + return BadDrawable; + } + + pPriv->last_swap_target = *swap_target; + + /* According to spec, return expected swapbuffers count SBC after this swap + * will complete. + */ + *swap_target = pPriv->swap_count + pPriv->swapsPending; + + DRI2InvalidateDrawable(pDraw); + + return Success; +} + +void +DRI2SwapInterval(DrawablePtr pDrawable, int interval) +{ + ScreenPtr pScreen = pDrawable->pScreen; + DRI2DrawablePtr pPriv = DRI2GetDrawable(pDrawable); + + if (pPriv == NULL) { + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: bad drawable\n", __func__); + return; + } + + /* fixme: check against arbitrary max? */ + pPriv->swap_interval = interval; +} + +int +DRI2GetMSC(DrawablePtr pDraw, CARD64 *ust, CARD64 *msc, CARD64 *sbc) +{ + ScreenPtr pScreen = pDraw->pScreen; + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + DRI2DrawablePtr pPriv; + Bool ret; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) { + xf86DrvMsg(pScreen->myNum, X_ERROR, + "[DRI2] %s: bad drawable\n", __func__); + return BadDrawable; + } + + if (!ds->GetMSC) { + *ust = 0; + *msc = 0; + *sbc = pPriv->swap_count; + return Success; + } + + /* + * Spec needs to be updated to include unmapped or redirected + * drawables + */ + + ret = (*ds->GetMSC)(pDraw, ust, msc); + if (!ret) + return BadDrawable; + + *sbc = pPriv->swap_count; + + return Success; +} + +int +DRI2WaitMSC(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc, + CARD64 divisor, CARD64 remainder) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen); + DRI2DrawablePtr pPriv; + Bool ret; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + return BadDrawable; + + /* Old DDX just completes immediately */ + if (!ds->ScheduleWaitMSC) { + DRI2WaitMSCComplete(client, pDraw, target_msc, 0, 0); + + return Success; + } + + ret = (*ds->ScheduleWaitMSC)(client, pDraw, target_msc, divisor, remainder); + if (!ret) + return BadDrawable; + + return Success; +} + +int +DRI2WaitSBC(ClientPtr client, DrawablePtr pDraw, CARD64 target_sbc) +{ + DRI2DrawablePtr pPriv; + + pPriv = DRI2GetDrawable(pDraw); + if (pPriv == NULL) + return BadDrawable; + + /* target_sbc == 0 means to block until all pending swaps are + * finished. Recalculate target_sbc to get that behaviour. + */ + if (target_sbc == 0) + target_sbc = pPriv->swap_count + pPriv->swapsPending; + + /* If current swap count already >= target_sbc, reply and + * return immediately with (ust, msc, sbc) triplet of + * most recent completed swap. + */ + if (pPriv->swap_count >= target_sbc) { + ProcDRI2WaitMSCReply(client, pPriv->last_swap_ust, + pPriv->last_swap_msc, pPriv->swap_count); + return Success; + } + + pPriv->target_sbc = target_sbc; + __DRI2BlockClient(client, pPriv); + + return Success; +} + +Bool +DRI2HasSwapControl(ScreenPtr pScreen) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pScreen); + + return ds->ScheduleSwap && ds->GetMSC; +} + +Bool +DRI2Connect(ScreenPtr pScreen, unsigned int driverType, int *fd, + const char **driverName, const char **deviceName) +{ + DRI2ScreenPtr ds; + + if (!dixPrivateKeyRegistered(dri2ScreenPrivateKey)) + return FALSE; + + ds = DRI2GetScreen(pScreen); + if (ds == NULL || driverType >= ds->numDrivers || + !ds->driverNames[driverType]) + return FALSE; + + *fd = ds->fd; + *driverName = ds->driverNames[driverType]; + *deviceName = ds->deviceName; + + return TRUE; +} + +Bool +DRI2Authenticate(ScreenPtr pScreen, uint32_t magic) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pScreen); + + if (ds == NULL || (*ds->AuthMagic)(ds->fd, magic)) + return FALSE; + + return TRUE; +} + +static int +DRI2ConfigNotify(WindowPtr pWin, int x, int y, int w, int h, int bw, + WindowPtr pSib) +{ + DrawablePtr pDraw = (DrawablePtr)pWin; + ScreenPtr pScreen = pDraw->pScreen; + DRI2ScreenPtr ds = DRI2GetScreen(pScreen); + DRI2DrawablePtr dd = DRI2GetDrawable(pDraw); + int ret; + + if (ds->ConfigNotify) { + pScreen->ConfigNotify = ds->ConfigNotify; + + ret = (*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib); + + ds->ConfigNotify = pScreen->ConfigNotify; + pScreen->ConfigNotify = DRI2ConfigNotify; + if (ret) + return ret; + } + + if (!dd || (dd->width == w && dd->height == h)) + return Success; + + DRI2InvalidateDrawable(pDraw); + return Success; +} + +Bool +DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info) +{ + DRI2ScreenPtr ds; + const char* driverTypeNames[] = { + "DRI", /* DRI2DriverDRI */ + "VDPAU", /* DRI2DriverVDPAU */ + }; + unsigned int i; + CARD8 cur_minor; + + if (info->version < 3) + return FALSE; + + if (!xf86VGAarbiterAllowDRI(pScreen)) { + xf86DrvMsg(pScreen->myNum, X_WARNING, + "[DRI2] Direct rendering is not supported when VGA arb is necessary for the device\n"); + return FALSE; + } + + if (!dixRegisterPrivateKey(&dri2ScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + if (!dixRegisterPrivateKey(&dri2WindowPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + if (!dixRegisterPrivateKey(&dri2PixmapPrivateKeyRec, PRIVATE_PIXMAP, 0)) + return FALSE; + + ds = calloc(1, sizeof *ds); + if (!ds) + return FALSE; + + ds->screen = pScreen; + ds->fd = info->fd; + ds->deviceName = info->deviceName; + dri2_major = 1; + + ds->CreateBuffer = info->CreateBuffer; + ds->DestroyBuffer = info->DestroyBuffer; + ds->CopyRegion = info->CopyRegion; + + if (info->version >= 4) { + ds->ScheduleSwap = info->ScheduleSwap; + ds->ScheduleWaitMSC = info->ScheduleWaitMSC; + ds->GetMSC = info->GetMSC; + cur_minor = 3; + } else { + cur_minor = 1; + } + + if (info->version >= 5) { + ds->AuthMagic = info->AuthMagic; + } + + /* + * if the driver doesn't provide an AuthMagic function or the info struct + * version is too low, it relies on the old method (using libdrm) or fail + */ + if (!ds->AuthMagic) +#ifdef WITH_LIBDRM + ds->AuthMagic = drmAuthMagic; +#else + goto err_out; +#endif + + /* Initialize minor if needed and set to minimum provied by DDX */ + if (!dri2_minor || dri2_minor > cur_minor) + dri2_minor = cur_minor; + + if (info->version == 3 || info->numDrivers == 0) { + /* Driver too old: use the old-style driverName field */ + ds->numDrivers = 1; + ds->driverNames = malloc(sizeof(*ds->driverNames)); + if (!ds->driverNames) + goto err_out; + ds->driverNames[0] = info->driverName; + } else { + ds->numDrivers = info->numDrivers; + ds->driverNames = malloc(info->numDrivers * sizeof(*ds->driverNames)); + if (!ds->driverNames) + goto err_out; + memcpy(ds->driverNames, info->driverNames, + info->numDrivers * sizeof(*ds->driverNames)); + } + + dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds); + + ds->ConfigNotify = pScreen->ConfigNotify; + pScreen->ConfigNotify = DRI2ConfigNotify; + + xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] Setup complete\n"); + for (i = 0; i < sizeof(driverTypeNames) / sizeof(driverTypeNames[0]); i++) { + if (i < ds->numDrivers && ds->driverNames[i]) { + xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] %s driver: %s\n", + driverTypeNames[i], ds->driverNames[i]); + } + } + + return TRUE; + +err_out: + xf86DrvMsg(pScreen->myNum, X_WARNING, + "[DRI2] Initialization failed for info version %d.\n", info->version); + free(ds); + return FALSE; +} + +void +DRI2CloseScreen(ScreenPtr pScreen) +{ + DRI2ScreenPtr ds = DRI2GetScreen(pScreen); + + free(ds->driverNames); + free(ds); + dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, NULL); +} + +extern ExtensionModule dri2ExtensionModule; + +static pointer +DRI2Setup(pointer module, pointer opts, int *errmaj, int *errmin) +{ + static Bool setupDone = FALSE; + + dri2DrawableRes = CreateNewResourceType(DRI2DrawableGone, "DRI2Drawable"); + + if (!setupDone) + { + setupDone = TRUE; + LoadExtension(&dri2ExtensionModule, FALSE); + } + else + { + if (errmaj) + *errmaj = LDR_ONCEONLY; + } + + return (pointer) 1; +} + +static XF86ModuleVersionInfo DRI2VersRec = +{ + "dri2", + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XORG_VERSION_CURRENT, + 1, 2, 0, + ABI_CLASS_EXTENSION, + ABI_EXTENSION_VERSION, + MOD_CLASS_NONE, + { 0, 0, 0, 0 } +}; + +_X_EXPORT XF86ModuleData dri2ModuleData = { &DRI2VersRec, DRI2Setup, NULL }; + +void +DRI2Version(int *major, int *minor) +{ + if (major != NULL) + *major = DRI2VersRec.majorversion; + + if (minor != NULL) + *minor = DRI2VersRec.minorversion; +} diff --git a/xorg-server/hw/xfree86/loader/loadmod.c b/xorg-server/hw/xfree86/loader/loadmod.c index 271cb5b79..46ce68b86 100644 --- a/xorg-server/hw/xfree86/loader/loadmod.c +++ b/xorg-server/hw/xfree86/loader/loadmod.c @@ -1,1255 +1,1261 @@ -/* - * Copyright 1995-1998 by Metro Link, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Metro Link, Inc. not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Metro Link, Inc. makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ -/* - * Copyright (c) 1997-2002 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the copyright holder(s) - * and author(s) shall not be used in advertising or otherwise to promote - * the sale, use or other dealings in this Software without prior written - * authorization from the copyright holder(s) and author(s). - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include "os.h" -/* For stat() and related stuff */ -#define NO_OSLIB_PROTOTYPES -#include "xf86_OSlib.h" -#define LOADERDECLARATIONS -#include "loaderProcs.h" -#include "misc.h" -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86Xinput.h" -#include "loader.h" -#include "xf86Optrec.h" - -#include -#include -#include -#include - -typedef struct _pattern { - const char *pattern; - regex_t rex; -} PatternRec, *PatternPtr; - -/* Prototypes for static functions */ -static char *FindModule(const char *, const char *, const char **, - PatternPtr); -static Bool CheckVersion(const char *, XF86ModuleVersionInfo *, - const XF86ModReqInfo *); -static void UnloadModuleOrDriver(ModuleDescPtr mod); -static char *LoaderGetCanonicalName(const char *, PatternPtr); -static void RemoveChild(ModuleDescPtr); -static ModuleDescPtr doLoadModule(const char *, const char *, const char **, - const char **, pointer, - const XF86ModReqInfo *, int *, int *); - -const ModuleVersions LoaderVersionInfo = { - XORG_VERSION_CURRENT, - ABI_ANSIC_VERSION, - ABI_VIDEODRV_VERSION, - ABI_XINPUT_VERSION, - ABI_EXTENSION_VERSION, - ABI_FONT_VERSION -}; - -static void -FreeStringList(char **paths) -{ - char **p; - - if (!paths) - return; - - for (p = paths; *p; p++) - free(*p); - - free(paths); -} - -static char **defaultPathList = NULL; - -static Bool -PathIsAbsolute(const char *path) -{ - return *path == '/'; -} - -/* - * Convert a comma-separated path into a NULL-terminated array of path - * elements, rejecting any that are not full absolute paths, and appending - * a '/' when it isn't already present. - */ -static char ** -InitPathList(const char *path) -{ - char *fullpath = NULL; - char *elem = NULL; - char **list = NULL, **save = NULL; - int len; - int addslash; - int n = 0; - - if (!path) - return defaultPathList; - - fullpath = strdup(path); - if (!fullpath) - return NULL; - elem = strtok(fullpath, ","); - while (elem) { - if (PathIsAbsolute(elem)) - { - len = strlen(elem); - addslash = (elem[len - 1] != '/'); - if (addslash) - len++; - save = list; - list = realloc(list, (n + 2) * sizeof(char *)); - if (!list) { - if (save) { - save[n] = NULL; - FreeStringList(save); - } - free(fullpath); - return NULL; - } - list[n] = malloc(len + 1); - if (!list[n]) { - FreeStringList(list); - free(fullpath); - return NULL; - } - strcpy(list[n], elem); - if (addslash) { - list[n][len - 1] = '/'; - list[n][len] = '\0'; - } - n++; - } - elem = strtok(NULL, ","); - } - if (list) - list[n] = NULL; - free(fullpath); - return list; -} - -static void -FreePathList(char **pathlist) -{ - if (pathlist && pathlist != defaultPathList) - FreeStringList(pathlist); -} - -void -LoaderSetPath(const char *path) -{ - if (!path) - return; - - defaultPathList = InitPathList(path); -} - -/* Standard set of module subdirectories to search, in order of preference */ -static const char *stdSubdirs[] = { - "", - "input/", - "drivers/", - "multimedia/", - "extensions/", - "internal/", - NULL -}; - -/* - * Standard set of module name patterns to check, in order of preference - * These are regular expressions (suitable for use with POSIX regex(3)). - * - * This list assumes that you're an ELFish platform and therefore your - * shared libraries are named something.so. If we're ever nuts enough - * to port this DDX to, say, Darwin, we'll need to fix this. - */ -static PatternRec stdPatterns[] = { - {"^lib(.*)\\.so$",}, - {"(.*)_drv\\.so$",}, - {"(.*)\\.so$",}, - {NULL,} -}; - -static PatternPtr -InitPatterns(const char **patternlist) -{ - char errmsg[80]; - int i, e; - PatternPtr patterns = NULL; - PatternPtr p = NULL; - static int firstTime = 1; - const char **s; - - if (firstTime) { - /* precompile stdPatterns */ - firstTime = 0; - for (p = stdPatterns; p->pattern; p++) - if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { - regerror(e, &p->rex, errmsg, sizeof(errmsg)); - FatalError("InitPatterns: regcomp error for `%s': %s\n", - p->pattern, errmsg); - } - } - - if (patternlist) { - for (i = 0, s = patternlist; *s; i++, s++) - if (*s == DEFAULT_LIST) - i += sizeof(stdPatterns) / sizeof(stdPatterns[0]) - 1 - 1; - patterns = malloc((i + 1) * sizeof(PatternRec)); - if (!patterns) { - return NULL; - } - for (i = 0, s = patternlist; *s; i++, s++) - if (*s != DEFAULT_LIST) { - p = patterns + i; - p->pattern = *s; - if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { - regerror(e, &p->rex, errmsg, sizeof(errmsg)); - ErrorF("InitPatterns: regcomp error for `%s': %s\n", - p->pattern, errmsg); - i--; - } - } else { - for (p = stdPatterns; p->pattern; p++, i++) - patterns[i] = *p; - if (p != stdPatterns) - i--; - } - patterns[i].pattern = NULL; - } else - patterns = stdPatterns; - return patterns; -} - -static void -FreePatterns(PatternPtr patterns) -{ - if (patterns && patterns != stdPatterns) - free(patterns); -} - -static const char ** -InitSubdirs(const char **subdirlist) -{ - int i; - const char **tmp_subdirlist = NULL; - char **subdirs = NULL; - const char **s, **stmp = NULL; - const char *osname; - const char *slash; - int oslen = 0, len; - Bool indefault; - - if (subdirlist == NULL) { - subdirlist = tmp_subdirlist = malloc(2 * sizeof(char *)); - if (subdirlist == NULL) - return NULL; - subdirlist[0] = DEFAULT_LIST; - subdirlist[1] = NULL; - } - - LoaderGetOS(&osname, NULL, NULL, NULL); - oslen = strlen(osname); - - { - /* Count number of entries and check for invalid paths */ - for (i = 0, s = subdirlist; *s; i++, s++) { - if (*s == DEFAULT_LIST) { - i += sizeof(stdSubdirs) / sizeof(stdSubdirs[0]) - 1 - 1; - } else { - /* - * Path validity check. Don't allow absolute paths, or - * paths containing "..". To catch absolute paths on - * platforms that use driver letters, don't allow the ':' - * character to appear at all. - */ - if (**s == '/' || **s == '\\' || strchr(*s, ':') || - strstr(*s, "..")) { - xf86Msg(X_ERROR, "InitSubdirs: Bad subdir: \"%s\"\n", *s); - free(tmp_subdirlist); - return NULL; - } - } - } - subdirs = malloc((i * 2 + 1) * sizeof(char *)); - if (!subdirs) { - free(tmp_subdirlist); - return NULL; - } - i = 0; - s = subdirlist; - indefault = FALSE; - while (*s) { - if (*s == DEFAULT_LIST) { - /* Divert to the default list */ - indefault = TRUE; - stmp = ++s; - s = stdSubdirs; - } - len = strlen(*s); - if (**s && (*s)[len - 1] != '/') { - slash = "/"; - len++; - } else - slash = ""; - len += oslen + 2; - if (!(subdirs[i] = malloc(len))) { - while (--i >= 0) - free(subdirs[i]); - free(subdirs); - free(tmp_subdirlist); - return NULL; - } - /* tack on the OS name */ - sprintf(subdirs[i], "%s%s%s/", *s, slash, osname); - i++; - /* path as given */ - subdirs[i] = strdup(*s); - i++; - s++; - if (indefault && !s) { - /* revert back to the main list */ - indefault = FALSE; - s = stmp; - } - } - subdirs[i] = NULL; - } - free(tmp_subdirlist); - return (const char **)subdirs; -} - -static void -FreeSubdirs(const char **subdirs) -{ - const char **s; - - if (subdirs) { - for (s = subdirs; *s; s++) - free((char *)*s); - free(subdirs); - } -} - -static char * -FindModuleInSubdir(const char *dirpath, const char *module) -{ - struct dirent *direntry = NULL; - DIR *dir = NULL; - char *ret = NULL, tmpBuf[PATH_MAX]; - struct stat stat_buf; - - dir = opendir(dirpath); - if (!dir) - return NULL; - - while ((direntry = readdir(dir))) { - if (direntry->d_name[0] == '.') - continue; - snprintf(tmpBuf, PATH_MAX, "%s%s/", dirpath, direntry->d_name); - /* the stat with the appended / fails for normal files, - and works for sub dirs fine, looks a bit strange in strace - but does seem to work */ - if ((stat(tmpBuf, &stat_buf) == 0) && S_ISDIR(stat_buf.st_mode)) { - if ((ret = FindModuleInSubdir(tmpBuf, module))) - break; - continue; - } - - snprintf(tmpBuf, PATH_MAX, "lib%s.so", module); - if (strcmp(direntry->d_name, tmpBuf) == 0) { - if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) - ret = NULL; - break; - } - - snprintf(tmpBuf, PATH_MAX, "%s_drv.so", module); - if (strcmp(direntry->d_name, tmpBuf) == 0) { - if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) - ret = NULL; - break; - } - - snprintf(tmpBuf, PATH_MAX, "%s.so", module); - if (strcmp(direntry->d_name, tmpBuf) == 0) { - if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) - ret = NULL; - break; - } - } - - closedir(dir); - return ret; -} - -static char * -FindModule(const char *module, const char *dirname, const char **subdirlist, - PatternPtr patterns) -{ - char buf[PATH_MAX + 1]; - char *dirpath = NULL; - char *name = NULL; - int dirlen; - const char **subdirs = NULL; - const char **s; - - dirpath = (char *)dirname; - if (strlen(dirpath) > PATH_MAX) - return NULL; - - subdirs = InitSubdirs(subdirlist); - if (!subdirs) - return NULL; - - for (s = subdirs; *s; s++) { - if ((dirlen = strlen(dirpath) + strlen(*s)) > PATH_MAX) - continue; - strcpy(buf, dirpath); - strcat(buf, *s); - if ((name = FindModuleInSubdir(buf, module))) - break; - } - - FreeSubdirs(subdirs); - if (dirpath != dirname) - free(dirpath); - - return name; -} - -char ** -LoaderListDirs(const char **subdirlist, const char **patternlist) -{ - char buf[PATH_MAX + 1]; - char **pathlist; - char **elem; - const char **subdirs; - const char **s; - PatternPtr patterns; - PatternPtr p; - DIR *d; - struct dirent *dp; - regmatch_t match[2]; - struct stat stat_buf; - int len, dirlen; - char *fp; - char **listing = NULL; - char **save; - int n = 0; - - if (!(pathlist = InitPathList(NULL))) - return NULL; - if (!(subdirs = InitSubdirs(subdirlist))) { - FreePathList(pathlist); - return NULL; - } - if (!(patterns = InitPatterns(patternlist))) { - FreePathList(pathlist); - FreeSubdirs(subdirs); - return NULL; - } - - for (elem = pathlist; *elem; elem++) { - for (s = subdirs; *s; s++) { - if ((dirlen = strlen(*elem) + strlen(*s)) > PATH_MAX) - continue; - strcpy(buf, *elem); - strcat(buf, *s); - fp = buf + dirlen; - if (stat(buf, &stat_buf) == 0 && S_ISDIR(stat_buf.st_mode) && - (d = opendir(buf))) { - if (buf[dirlen - 1] != '/') { - buf[dirlen++] = '/'; - fp++; - } - while ((dp = readdir(d))) { - if (dirlen + strlen(dp->d_name) > PATH_MAX) - continue; - strcpy(fp, dp->d_name); - if (!(stat(buf, &stat_buf) == 0 && - S_ISREG(stat_buf.st_mode))) - continue; - for (p = patterns; p->pattern; p++) { - if (regexec(&p->rex, dp->d_name, 2, match, 0) == 0 && - match[1].rm_so != -1) { - len = match[1].rm_eo - match[1].rm_so; - save = listing; - listing = realloc(listing, - (n + 2) * sizeof(char *)); - if (!listing) { - if (save) { - save[n] = NULL; - FreeStringList(save); - } - FreePathList(pathlist); - FreeSubdirs(subdirs); - FreePatterns(patterns); - return NULL; - } - listing[n] = malloc(len + 1); - if (!listing[n]) { - FreeStringList(listing); - FreePathList(pathlist); - FreeSubdirs(subdirs); - FreePatterns(patterns); - return NULL; - } - strncpy(listing[n], dp->d_name + match[1].rm_so, - len); - listing[n][len] = '\0'; - n++; - break; - } - } - } - closedir(d); - } - } - } - if (listing) - listing[n] = NULL; - return listing; -} - -void -LoaderFreeDirList(char **list) -{ - FreeStringList(list); -} - -static Bool -CheckVersion(const char *module, XF86ModuleVersionInfo * data, - const XF86ModReqInfo * req) -{ - int vercode[4]; - char verstr[4]; - long ver = data->xf86version; - MessageType errtype; - - xf86Msg(X_INFO, "Module %s: vendor=\"%s\"\n", - data->modname ? data->modname : "UNKNOWN!", - data->vendor ? data->vendor : "UNKNOWN!"); - - /* Check for the different scheme used in XFree86 4.0.x releases: - * ((((((((major << 7) | minor) << 7) | subminor) << 5) | beta) << 5) | alpha) - * Since it wasn't used in 4.1.0 or later, limit to versions in the 4.0.x - * range, which limits the overlap with the new version scheme to conflicts - * with 6.71.8.764 through 6.72.39.934. - */ - if ((ver > (4 << 24)) && (ver < ( (4 << 24) + (1 << 17)))) { - /* 4.0.x and earlier */ - verstr[1] = verstr[3] = 0; - verstr[2] = (ver & 0x1f) ? (ver & 0x1f) + 'a' - 1 : 0; - ver >>= 5; - verstr[0] = (ver & 0x1f) ? (ver & 0x1f) + 'A' - 1 : 0; - ver >>= 5; - vercode[2] = ver & 0x7f; - ver >>= 7; - vercode[1] = ver & 0x7f; - ver >>= 7; - vercode[0] = ver; - xf86ErrorF("\tcompiled for %d.%d", vercode[0], vercode[1]); - if (vercode[2] != 0) - xf86ErrorF(".%d", vercode[2]); - xf86ErrorF("%s%s, module version = %d.%d.%d\n", verstr, verstr + 2, - data->majorversion, data->minorversion, data->patchlevel); - } else { - vercode[0] = ver / 10000000; - vercode[1] = (ver / 100000) % 100; - vercode[2] = (ver / 1000) % 100; - vercode[3] = ver % 1000; - xf86ErrorF("\tcompiled for %d.%d.%d", vercode[0], vercode[1], - vercode[2]); - if (vercode[3] != 0) - xf86ErrorF(".%d", vercode[3]); - xf86ErrorF(", module version = %d.%d.%d\n", data->majorversion, - data->minorversion, data->patchlevel); - } - - if (data->moduleclass) - xf86ErrorFVerb(2, "\tModule class: %s\n", data->moduleclass); - - ver = -1; - if (data->abiclass) { - int abimaj, abimin; - int vermaj, vermin; - - if (!strcmp(data->abiclass, ABI_CLASS_ANSIC)) - ver = LoaderVersionInfo.ansicVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_VIDEODRV)) - ver = LoaderVersionInfo.videodrvVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_XINPUT)) - ver = LoaderVersionInfo.xinputVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_EXTENSION)) - ver = LoaderVersionInfo.extensionVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_FONT)) - ver = LoaderVersionInfo.fontVersion; - - abimaj = GET_ABI_MAJOR(data->abiversion); - abimin = GET_ABI_MINOR(data->abiversion); - xf86ErrorFVerb(2, "\tABI class: %s, version %d.%d\n", - data->abiclass, abimaj, abimin); - if (ver != -1) { - vermaj = GET_ABI_MAJOR(ver); - vermin = GET_ABI_MINOR(ver); - if (abimaj != vermaj) { - if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) - errtype = X_WARNING; - else - errtype = X_ERROR; - xf86MsgVerb(errtype, 0, - "module ABI major version (%d) doesn't" - " match the server's version (%d)\n", - abimaj, vermaj); - if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) - return FALSE; - } else if (abimin > vermin) { - if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) - errtype = X_WARNING; - else - errtype = X_ERROR; - xf86MsgVerb(errtype, 0, - "module ABI minor version (%d) is " - "newer than the server's version " - "(%d)\n", abimin, vermin); - if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) - return FALSE; - } - } - } - - /* Check against requirements that the caller has specified */ - if (req) { - if (req->majorversion != MAJOR_UNSPEC) { - if (data->majorversion != req->majorversion) { - xf86MsgVerb(X_WARNING, 2, "module major version (%d) " - "doesn't match required major version (%d)\n", - data->majorversion, req->majorversion); - return FALSE; - } else if (req->minorversion != MINOR_UNSPEC) { - if (data->minorversion < req->minorversion) { - xf86MsgVerb(X_WARNING, 2, "module minor version (%d) " - "is less than the required minor version (%d)\n", - data->minorversion, req->minorversion); - return FALSE; - } else if (data->minorversion == req->minorversion && - req->patchlevel != PATCH_UNSPEC) { - if (data->patchlevel < req->patchlevel) { - xf86MsgVerb(X_WARNING, 2, "module patch level (%d) " - "is less than the required patch level (%d)\n", - data->patchlevel, req->patchlevel); - return FALSE; - } - } - } - } - if (req->moduleclass) { - if (!data->moduleclass || - strcmp(req->moduleclass, data->moduleclass)) { - xf86MsgVerb(X_WARNING, 2, "Module class (%s) doesn't match " - "the required class (%s)\n", - data->moduleclass ? data->moduleclass : "", - req->moduleclass); - return FALSE; - } - } else if (req->abiclass != ABI_CLASS_NONE) { - if (!data->abiclass || strcmp(req->abiclass, data->abiclass)) { - xf86MsgVerb(X_WARNING, 2, "ABI class (%s) doesn't match the " - "required ABI class (%s)\n", - data->abiclass ? data->abiclass : "", - req->abiclass); - return FALSE; - } - } - if ((req->abiclass != ABI_CLASS_NONE) && - req->abiversion != ABI_VERS_UNSPEC) { - int reqmaj, reqmin, maj, min; - - reqmaj = GET_ABI_MAJOR(req->abiversion); - reqmin = GET_ABI_MINOR(req->abiversion); - maj = GET_ABI_MAJOR(data->abiversion); - min = GET_ABI_MINOR(data->abiversion); - if (maj != reqmaj) { - xf86MsgVerb(X_WARNING, 2, "ABI major version (%d) doesn't " - "match the required ABI major version (%d)\n", - maj, reqmaj); - return FALSE; - } - /* XXX Maybe this should be the other way around? */ - if (min > reqmin) { - xf86MsgVerb(X_WARNING, 2, "module ABI minor version (%d) " - "is newer than that available (%d)\n", min, reqmin); - return FALSE; - } - } - } - return TRUE; -} - -static ModuleDescPtr -AddSibling(ModuleDescPtr head, ModuleDescPtr new) -{ - new->sib = head; - return new; -} - -pointer -LoadSubModule(pointer _parent, const char *module, - const char **subdirlist, const char **patternlist, - pointer options, const XF86ModReqInfo * modreq, - int *errmaj, int *errmin) -{ - ModuleDescPtr submod; - ModuleDescPtr parent = (ModuleDescPtr)_parent; - - xf86MsgVerb(X_INFO, 3, "Loading sub module \"%s\"\n", module); - - if (PathIsAbsolute(module)) { - xf86Msg(X_ERROR, - "LoadSubModule: Absolute module path not permitted: \"%s\"\n", - module); - if (errmaj) - *errmaj = LDR_BADUSAGE; - if (errmin) - *errmin = 0; - return NULL; - } - - submod = doLoadModule(module, NULL, subdirlist, patternlist, options, - modreq, errmaj, errmin); - if (submod && submod != (ModuleDescPtr) 1) { - parent->child = AddSibling(parent->child, submod); - submod->parent = parent; - } - return submod; -} - -static ModuleDescPtr -NewModuleDesc(const char *name) -{ - ModuleDescPtr mdp = calloc(1, sizeof(ModuleDesc)); - - if (mdp) - mdp->name = xstrdup(name); - - return mdp; -} - -ModuleDescPtr -DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent) -{ - ModuleDescPtr ret; - int errmaj, errmin; - - if (!mod) - return NULL; - - ret = NewModuleDesc(mod->name); - if (ret == NULL) - return NULL; - - if (!(ret->handle = LoaderOpen(mod->path, &errmaj, &errmin))) { - free(ret); - return NULL; - } - - ret->SetupProc = mod->SetupProc; - ret->TearDownProc = mod->TearDownProc; - ret->TearDownData = NULL; - ret->child = DuplicateModule(mod->child, ret); - ret->sib = DuplicateModule(mod->sib, parent); - ret->parent = parent; - ret->VersionInfo = mod->VersionInfo; - ret->path = strdup(mod->path); - - return ret; -} - -static const char *compiled_in_modules[] = { - "ddc", - "i2c", - "ramdac", - NULL -}; - -static ModuleDescPtr -doLoadModule(const char *module, const char *path, const char **subdirlist, - const char **patternlist, pointer options, - const XF86ModReqInfo * modreq, - int *errmaj, int *errmin) -{ - XF86ModuleData *initdata = NULL; - char **pathlist = NULL; - char *found = NULL; - char *name = NULL; - char **path_elem = NULL; - char *p = NULL; - ModuleDescPtr ret = NULL; - PatternPtr patterns = NULL; - int noncanonical = 0; - char *m = NULL; - const char **cim; - - xf86MsgVerb(X_INFO, 3, "LoadModule: \"%s\"", module); - - patterns = InitPatterns(patternlist); - name = LoaderGetCanonicalName(module, patterns); - noncanonical = (name && strcmp(module, name) != 0); - if (noncanonical) { - xf86ErrorFVerb(3, " (%s)\n", name); - xf86MsgVerb(X_WARNING, 1, - "LoadModule: given non-canonical module name \"%s\"\n", - module); - m = name; - } else { - xf86ErrorFVerb(3, "\n"); - m = (char *)module; - } - - for (cim = compiled_in_modules; *cim; cim++) - if (!strcmp (m, *cim)) - { - xf86MsgVerb(X_INFO, 3, "Module \"%s\" already built-in\n", m); - ret = (ModuleDescPtr) 1; - goto LoadModule_exit; - } - - if (!name) { - if (errmaj) - *errmaj = LDR_BADUSAGE; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - ret = NewModuleDesc(name); - if (!ret) { - if (errmaj) - *errmaj = LDR_NOMEM; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - - pathlist = InitPathList(path); - if (!pathlist) { - /* This could be a malloc failure too */ - if (errmaj) - *errmaj = LDR_BADUSAGE; - if (errmin) - *errmin = 1; - goto LoadModule_fail; - } - - /* - * if the module name is not a full pathname, we need to - * check the elements in the path - */ - if (PathIsAbsolute(module)) - found = xstrdup(module); - path_elem = pathlist; - while (!found && *path_elem != NULL) { - found = FindModule(m, *path_elem, subdirlist, patterns); - path_elem++; - /* - * When the module name isn't the canonical name, search for the - * former if no match was found for the latter. - */ - if (!*path_elem && m == name) { - path_elem = pathlist; - m = (char *)module; - } - } - - /* - * did we find the module? - */ - if (!found) { - xf86Msg(X_WARNING, "Warning, couldn't open module %s\n", module); - if (errmaj) - *errmaj = LDR_NOENT; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - ret->handle = LoaderOpen(found, errmaj, errmin); - if (ret->handle < 0) - goto LoadModule_fail; - ret->path = strdup(found); - - /* drop any explicit suffix from the module name */ - p = strchr(name, '.'); - if (p) - *p = '\0'; - - /* - * now check if the special data object ModuleData is - * present. - */ - if (asprintf(&p, "%sModuleData", name) == -1) { - p = NULL; - if (errmaj) - *errmaj = LDR_NOMEM; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - initdata = LoaderSymbol(p); - if (initdata) { - ModuleSetupProc setup; - ModuleTearDownProc teardown; - XF86ModuleVersionInfo *vers; - - vers = initdata->vers; - setup = initdata->setup; - teardown = initdata->teardown; - - if (vers) { - if (!CheckVersion(module, vers, modreq)) { - if (errmaj) - *errmaj = LDR_MISMATCH; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - } else { - xf86Msg(X_ERROR, - "LoadModule: Module %s does not supply" - " version information\n", module); - if (errmaj) - *errmaj = LDR_INVALID; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - if (setup) - ret->SetupProc = setup; - if (teardown) - ret->TearDownProc = teardown; - ret->VersionInfo = vers; - } else { - /* No initdata is OK for external modules */ - if (options == EXTERN_MODULE) - goto LoadModule_exit; - - /* no initdata, fail the load */ - xf86Msg(X_ERROR, "LoadModule: Module %s does not have a %s " - "data object.\n", module, p); - if (errmaj) - *errmaj = LDR_INVALID; - if (errmin) - *errmin = 0; - goto LoadModule_fail; - } - if (ret->SetupProc) { - ret->TearDownData = ret->SetupProc(ret, options, errmaj, errmin); - if (!ret->TearDownData) { - goto LoadModule_fail; - } - } else if (options) { - xf86Msg(X_WARNING, "Module Options present, but no SetupProc " - "available for %s\n", module); - } - goto LoadModule_exit; - - LoadModule_fail: - UnloadModule(ret); - ret = NULL; - - LoadModule_exit: - FreePathList(pathlist); - FreePatterns(patterns); - free(found); - free(name); - free(p); - - return ret; -} - -/* - * LoadModule: load a module - * - * module The module name. Normally this is not a filename but the - * module's "canonical name. A full pathname is, however, - * also accepted. - * path A comma separated list of module directories. - * subdirlist A NULL terminated list of subdirectories to search. When - * NULL, the default "stdSubdirs" list is used. The default - * list is also substituted for entries with value DEFAULT_LIST. - * patternlist A NULL terminated list of regular expressions used to find - * module filenames. Each regex should contain exactly one - * subexpression that corresponds to the canonical module name. - * When NULL, the default "stdPatterns" list is used. The - * default list is also substituted for entries with value - * DEFAULT_LIST. - * options A NULL terminated list of Options that are passed to the - * module's SetupProc function. - * modreq An optional XF86ModReqInfo* containing - * version/ABI/vendor-ABI requirements to check for when - * loading the module. The following fields of the - * XF86ModReqInfo struct are checked: - * majorversion - must match the module's majorversion exactly - * minorversion - the module's minorversion must be >= this - * patchlevel - the module's minorversion.patchlevel must be - * >= this. Patchlevel is ignored when - * minorversion is not set. - * abiclass - (string) must match the module's abiclass - * abiversion - must be consistent with the module's - * abiversion (major equal, minor no older) - * moduleclass - string must match the module's moduleclass - * string - * "don't care" values are ~0 for numbers, and NULL for strings - * errmaj Major error return. - * errmin Minor error return. - * - */ -ModuleDescPtr -LoadModule(const char *module, const char *path, const char **subdirlist, - const char **patternlist, pointer options, - const XF86ModReqInfo * modreq, int *errmaj, int *errmin) -{ - return doLoadModule(module, path, subdirlist, patternlist, options, - modreq, errmaj, errmin); -} - -void -UnloadModule(pointer mod) -{ - UnloadModuleOrDriver((ModuleDescPtr)mod); -} - -static void -UnloadModuleOrDriver(ModuleDescPtr mod) -{ - if (mod == (ModuleDescPtr) 1) - return; - - if (mod == NULL || mod->name == NULL) - return; - - xf86MsgVerb(X_INFO, 3, "UnloadModule: \"%s\"\n", mod->name); - - if ((mod->TearDownProc) && (mod->TearDownData)) - mod->TearDownProc(mod->TearDownData); - LoaderUnload(mod->name, mod->handle); - - if (mod->child) - UnloadModuleOrDriver(mod->child); - if (mod->sib) - UnloadModuleOrDriver(mod->sib); - free(mod->path); - free(mod->name); - free(mod); -} - -void -UnloadSubModule(pointer _mod) -{ - ModuleDescPtr mod = (ModuleDescPtr)_mod; - - if (mod == NULL || mod->name == NULL) - return; - - xf86MsgVerb(X_INFO, 3, "UnloadSubModule: \"%s\"\n", mod->name); - - if ((mod->TearDownProc) && (mod->TearDownData)) - mod->TearDownProc(mod->TearDownData); - LoaderUnload(mod->name, mod->handle); - - RemoveChild(mod); - - if (mod->child) - UnloadModuleOrDriver(mod->child); - - free(mod->path); - free(mod->name); - free(mod); -} - -static void -RemoveChild(ModuleDescPtr child) -{ - ModuleDescPtr mdp; - ModuleDescPtr prevsib; - ModuleDescPtr parent; - - if (!child->parent) - return; - - parent = child->parent; - if (parent->child == child) { - parent->child = child->sib; - return; - } - - prevsib = parent->child; - mdp = prevsib->sib; - while (mdp && mdp != child) { - prevsib = mdp; - mdp = mdp->sib; - } - if (mdp == child) - prevsib->sib = child->sib; - return; -} - -void -LoaderErrorMsg(const char *name, const char *modname, int errmaj, int errmin) -{ - const char *msg; - MessageType type = X_ERROR; - - switch (errmaj) { - case LDR_NOERROR: - msg = "no error"; - break; - case LDR_NOMEM: - msg = "out of memory"; - break; - case LDR_NOENT: - msg = "module does not exist"; - break; - case LDR_NOSUBENT: - msg = "a required submodule could not be loaded"; - break; - case LDR_NOSPACE: - msg = "too many modules"; - break; - case LDR_NOMODOPEN: - msg = "open failed"; - break; - case LDR_UNKTYPE: - msg = "unknown module type"; - break; - case LDR_NOLOAD: - msg = "loader failed"; - break; - case LDR_ONCEONLY: - msg = "already loaded"; - type = X_INFO; - break; - case LDR_NOPORTOPEN: - msg = "port open failed"; - break; - case LDR_NOHARDWARE: - msg = "no hardware found"; - break; - case LDR_MISMATCH: - msg = "module requirement mismatch"; - break; - case LDR_BADUSAGE: - msg = "invalid argument(s) to LoadModule()"; - break; - case LDR_INVALID: - msg = "invalid module"; - break; - case LDR_BADOS: - msg = "module doesn't support this OS"; - break; - case LDR_MODSPECIFIC: - msg = "module-specific error"; - break; - default: - msg = "unknown error"; - } - if (name) - xf86Msg(type, "%s: Failed to load module \"%s\" (%s, %d)\n", - name, modname, msg, errmin); - else - xf86Msg(type, "Failed to load module \"%s\" (%s, %d)\n", - modname, msg, errmin); -} - -/* Given a module path or file name, return the module's canonical name */ -static char * -LoaderGetCanonicalName(const char *modname, PatternPtr patterns) -{ - char *str; - const char *s; - int len; - PatternPtr p; - regmatch_t match[2]; - - /* Strip off any leading path */ - s = strrchr(modname, '/'); - if (s == NULL) - s = modname; - else - s++; - - /* Find the first regex that is matched */ - for (p = patterns; p->pattern; p++) - if (regexec(&p->rex, s, 2, match, 0) == 0 && match[1].rm_so != -1) { - len = match[1].rm_eo - match[1].rm_so; - str = malloc(len + 1); - if (!str) - return NULL; - strncpy(str, s + match[1].rm_so, len); - str[len] = '\0'; - return str; - } - - /* If there is no match, return the whole name minus the leading path */ - return strdup(s); -} - -/* - * Return the module version information. - */ -unsigned long -LoaderGetModuleVersion(ModuleDescPtr mod) -{ - if (!mod || mod == (ModuleDescPtr) 1 || !mod->VersionInfo) - return 0; - - return MODULE_VERSION_NUMERIC(mod->VersionInfo->majorversion, - mod->VersionInfo->minorversion, - mod->VersionInfo->patchlevel); -} +/* + * Copyright 1995-1998 by Metro Link, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Metro Link, Inc. not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Metro Link, Inc. makes no + * representations about the suitability of this software for any purpose. + * It is provided "as is" without express or implied warranty. + * + * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ +/* + * Copyright (c) 1997-2002 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include "os.h" +/* For stat() and related stuff */ +#define NO_OSLIB_PROTOTYPES +#include "xf86_OSlib.h" +#define LOADERDECLARATIONS +#include "loaderProcs.h" +#include "misc.h" +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86Xinput.h" +#include "loader.h" +#include "xf86Optrec.h" + +#include +#include +#include +#include + +typedef struct _pattern { + const char *pattern; + regex_t rex; +} PatternRec, *PatternPtr; + +/* Prototypes for static functions */ +static char *FindModule(const char *, const char *, const char **, + PatternPtr); +static Bool CheckVersion(const char *, XF86ModuleVersionInfo *, + const XF86ModReqInfo *); +static void UnloadModuleOrDriver(ModuleDescPtr mod); +static char *LoaderGetCanonicalName(const char *, PatternPtr); +static void RemoveChild(ModuleDescPtr); +static ModuleDescPtr doLoadModule(const char *, const char *, const char **, + const char **, pointer, + const XF86ModReqInfo *, int *, int *); + +const ModuleVersions LoaderVersionInfo = { + XORG_VERSION_CURRENT, + ABI_ANSIC_VERSION, + ABI_VIDEODRV_VERSION, + ABI_XINPUT_VERSION, + ABI_EXTENSION_VERSION, + ABI_FONT_VERSION +}; + +static void +FreeStringList(char **paths) +{ + char **p; + + if (!paths) + return; + + for (p = paths; *p; p++) + free(*p); + + free(paths); +} + +static char **defaultPathList = NULL; + +static Bool +PathIsAbsolute(const char *path) +{ + return *path == '/'; +} + +/* + * Convert a comma-separated path into a NULL-terminated array of path + * elements, rejecting any that are not full absolute paths, and appending + * a '/' when it isn't already present. + */ +static char ** +InitPathList(const char *path) +{ + char *fullpath = NULL; + char *elem = NULL; + char **list = NULL, **save = NULL; + int len; + int addslash; + int n = 0; + + if (!path) + return defaultPathList; + + fullpath = strdup(path); + if (!fullpath) + return NULL; + elem = strtok(fullpath, ","); + while (elem) { + if (PathIsAbsolute(elem)) + { + len = strlen(elem); + addslash = (elem[len - 1] != '/'); + if (addslash) + len++; + save = list; + list = realloc(list, (n + 2) * sizeof(char *)); + if (!list) { + if (save) { + save[n] = NULL; + FreeStringList(save); + } + free(fullpath); + return NULL; + } + list[n] = malloc(len + 1); + if (!list[n]) { + FreeStringList(list); + free(fullpath); + return NULL; + } + strcpy(list[n], elem); + if (addslash) { + list[n][len - 1] = '/'; + list[n][len] = '\0'; + } + n++; + } + elem = strtok(NULL, ","); + } + if (list) + list[n] = NULL; + free(fullpath); + return list; +} + +static void +FreePathList(char **pathlist) +{ + if (pathlist && pathlist != defaultPathList) + FreeStringList(pathlist); +} + +void +LoaderSetPath(const char *path) +{ + if (!path) + return; + + defaultPathList = InitPathList(path); +} + +/* Standard set of module subdirectories to search, in order of preference */ +static const char *stdSubdirs[] = { + "", + "input/", + "drivers/", + "multimedia/", + "extensions/", + "internal/", + NULL +}; + +/* + * Standard set of module name patterns to check, in order of preference + * These are regular expressions (suitable for use with POSIX regex(3)). + * + * This list assumes that you're an ELFish platform and therefore your + * shared libraries are named something.so. If we're ever nuts enough + * to port this DDX to, say, Darwin, we'll need to fix this. + */ +static PatternRec stdPatterns[] = { + {"^lib(.*)\\.so$",}, + {"(.*)_drv\\.so$",}, + {"(.*)\\.so$",}, + {NULL,} +}; + +static PatternPtr +InitPatterns(const char **patternlist) +{ + char errmsg[80]; + int i, e; + PatternPtr patterns = NULL; + PatternPtr p = NULL; + static int firstTime = 1; + const char **s; + + if (firstTime) { + /* precompile stdPatterns */ + firstTime = 0; + for (p = stdPatterns; p->pattern; p++) + if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { + regerror(e, &p->rex, errmsg, sizeof(errmsg)); + FatalError("InitPatterns: regcomp error for `%s': %s\n", + p->pattern, errmsg); + } + } + + if (patternlist) { + for (i = 0, s = patternlist; *s; i++, s++) + if (*s == DEFAULT_LIST) + i += sizeof(stdPatterns) / sizeof(stdPatterns[0]) - 1 - 1; + patterns = malloc((i + 1) * sizeof(PatternRec)); + if (!patterns) { + return NULL; + } + for (i = 0, s = patternlist; *s; i++, s++) + if (*s != DEFAULT_LIST) { + p = patterns + i; + p->pattern = *s; + if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { + regerror(e, &p->rex, errmsg, sizeof(errmsg)); + ErrorF("InitPatterns: regcomp error for `%s': %s\n", + p->pattern, errmsg); + i--; + } + } else { + for (p = stdPatterns; p->pattern; p++, i++) + patterns[i] = *p; + if (p != stdPatterns) + i--; + } + patterns[i].pattern = NULL; + } else + patterns = stdPatterns; + return patterns; +} + +static void +FreePatterns(PatternPtr patterns) +{ + if (patterns && patterns != stdPatterns) + free(patterns); +} + +static const char ** +InitSubdirs(const char **subdirlist) +{ + int i; + const char **tmp_subdirlist = NULL; + char **subdirs = NULL; + const char **s, **stmp = NULL; + const char *osname; + const char *slash; + int oslen = 0, len; + Bool indefault; + + if (subdirlist == NULL) { + subdirlist = tmp_subdirlist = malloc(2 * sizeof(char *)); + if (subdirlist == NULL) + return NULL; + subdirlist[0] = DEFAULT_LIST; + subdirlist[1] = NULL; + } + + LoaderGetOS(&osname, NULL, NULL, NULL); + oslen = strlen(osname); + + { + /* Count number of entries and check for invalid paths */ + for (i = 0, s = subdirlist; *s; i++, s++) { + if (*s == DEFAULT_LIST) { + i += sizeof(stdSubdirs) / sizeof(stdSubdirs[0]) - 1 - 1; + } else { + /* + * Path validity check. Don't allow absolute paths, or + * paths containing "..". To catch absolute paths on + * platforms that use driver letters, don't allow the ':' + * character to appear at all. + */ + if (**s == '/' || **s == '\\' || strchr(*s, ':') || + strstr(*s, "..")) { + xf86Msg(X_ERROR, "InitSubdirs: Bad subdir: \"%s\"\n", *s); + free(tmp_subdirlist); + return NULL; + } + } + } + subdirs = malloc((i * 2 + 1) * sizeof(char *)); + if (!subdirs) { + free(tmp_subdirlist); + return NULL; + } + i = 0; + s = subdirlist; + indefault = FALSE; + while (*s) { + if (*s == DEFAULT_LIST) { + /* Divert to the default list */ + indefault = TRUE; + stmp = ++s; + s = stdSubdirs; + } + len = strlen(*s); + if (**s && (*s)[len - 1] != '/') { + slash = "/"; + len++; + } else + slash = ""; + len += oslen + 2; + if (!(subdirs[i] = malloc(len))) { + while (--i >= 0) + free(subdirs[i]); + free(subdirs); + free(tmp_subdirlist); + return NULL; + } + /* tack on the OS name */ + sprintf(subdirs[i], "%s%s%s/", *s, slash, osname); + i++; + /* path as given */ + subdirs[i] = strdup(*s); + i++; + s++; + if (indefault && !s) { + /* revert back to the main list */ + indefault = FALSE; + s = stmp; + } + } + subdirs[i] = NULL; + } + free(tmp_subdirlist); + return (const char **)subdirs; +} + +static void +FreeSubdirs(const char **subdirs) +{ + const char **s; + + if (subdirs) { + for (s = subdirs; *s; s++) + free((char *)*s); + free(subdirs); + } +} + +static char * +FindModuleInSubdir(const char *dirpath, const char *module) +{ + struct dirent *direntry = NULL; + DIR *dir = NULL; + char *ret = NULL, tmpBuf[PATH_MAX]; + struct stat stat_buf; + + dir = opendir(dirpath); + if (!dir) + return NULL; + + while ((direntry = readdir(dir))) { + if (direntry->d_name[0] == '.') + continue; + snprintf(tmpBuf, PATH_MAX, "%s%s/", dirpath, direntry->d_name); + /* the stat with the appended / fails for normal files, + and works for sub dirs fine, looks a bit strange in strace + but does seem to work */ + if ((stat(tmpBuf, &stat_buf) == 0) && S_ISDIR(stat_buf.st_mode)) { + if ((ret = FindModuleInSubdir(tmpBuf, module))) + break; + continue; + } + + snprintf(tmpBuf, PATH_MAX, "lib%s.so", module); + if (strcmp(direntry->d_name, tmpBuf) == 0) { + if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) + ret = NULL; + break; + } + + snprintf(tmpBuf, PATH_MAX, "%s_drv.so", module); + if (strcmp(direntry->d_name, tmpBuf) == 0) { + if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) + ret = NULL; + break; + } + + snprintf(tmpBuf, PATH_MAX, "%s.so", module); + if (strcmp(direntry->d_name, tmpBuf) == 0) { + if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) + ret = NULL; + break; + } + } + + closedir(dir); + return ret; +} + +static char * +FindModule(const char *module, const char *dirname, const char **subdirlist, + PatternPtr patterns) +{ + char buf[PATH_MAX + 1]; + char *dirpath = NULL; + char *name = NULL; + int dirlen; + const char **subdirs = NULL; + const char **s; + + dirpath = (char *)dirname; + if (strlen(dirpath) > PATH_MAX) + return NULL; + + subdirs = InitSubdirs(subdirlist); + if (!subdirs) + return NULL; + + for (s = subdirs; *s; s++) { + if ((dirlen = strlen(dirpath) + strlen(*s)) > PATH_MAX) + continue; + strcpy(buf, dirpath); + strcat(buf, *s); + if ((name = FindModuleInSubdir(buf, module))) + break; + } + + FreeSubdirs(subdirs); + if (dirpath != dirname) + free(dirpath); + + return name; +} + +char ** +LoaderListDirs(const char **subdirlist, const char **patternlist) +{ + char buf[PATH_MAX + 1]; + char **pathlist; + char **elem; + const char **subdirs; + const char **s; + PatternPtr patterns; + PatternPtr p; + DIR *d; + struct dirent *dp; + regmatch_t match[2]; + struct stat stat_buf; + int len, dirlen; + char *fp; + char **listing = NULL; + char **save; + int n = 0; + + if (!(pathlist = InitPathList(NULL))) + return NULL; + if (!(subdirs = InitSubdirs(subdirlist))) { + FreePathList(pathlist); + return NULL; + } + if (!(patterns = InitPatterns(patternlist))) { + FreePathList(pathlist); + FreeSubdirs(subdirs); + return NULL; + } + + for (elem = pathlist; *elem; elem++) { + for (s = subdirs; *s; s++) { + if ((dirlen = strlen(*elem) + strlen(*s)) > PATH_MAX) + continue; + strcpy(buf, *elem); + strcat(buf, *s); + fp = buf + dirlen; + if (stat(buf, &stat_buf) == 0 && S_ISDIR(stat_buf.st_mode) && + (d = opendir(buf))) { + if (buf[dirlen - 1] != '/') { + buf[dirlen++] = '/'; + fp++; + } + while ((dp = readdir(d))) { + if (dirlen + strlen(dp->d_name) > PATH_MAX) + continue; + strcpy(fp, dp->d_name); + if (!(stat(buf, &stat_buf) == 0 && + S_ISREG(stat_buf.st_mode))) + continue; + for (p = patterns; p->pattern; p++) { + if (regexec(&p->rex, dp->d_name, 2, match, 0) == 0 && + match[1].rm_so != -1) { + len = match[1].rm_eo - match[1].rm_so; + save = listing; + listing = realloc(listing, + (n + 2) * sizeof(char *)); + if (!listing) { + if (save) { + save[n] = NULL; + FreeStringList(save); + } + FreePathList(pathlist); + FreeSubdirs(subdirs); + FreePatterns(patterns); + closedir(d); + return NULL; + } + listing[n] = malloc(len + 1); + if (!listing[n]) { + FreeStringList(listing); + FreePathList(pathlist); + FreeSubdirs(subdirs); + FreePatterns(patterns); + closedir(d); + return NULL; + } + strncpy(listing[n], dp->d_name + match[1].rm_so, + len); + listing[n][len] = '\0'; + n++; + break; + } + } + } + closedir(d); + } + } + } + if (listing) + listing[n] = NULL; + + FreePathList(pathlist); + FreeSubdirs(subdirs); + FreePatterns(patterns); + return listing; +} + +void +LoaderFreeDirList(char **list) +{ + FreeStringList(list); +} + +static Bool +CheckVersion(const char *module, XF86ModuleVersionInfo * data, + const XF86ModReqInfo * req) +{ + int vercode[4]; + char verstr[4]; + long ver = data->xf86version; + MessageType errtype; + + xf86Msg(X_INFO, "Module %s: vendor=\"%s\"\n", + data->modname ? data->modname : "UNKNOWN!", + data->vendor ? data->vendor : "UNKNOWN!"); + + /* Check for the different scheme used in XFree86 4.0.x releases: + * ((((((((major << 7) | minor) << 7) | subminor) << 5) | beta) << 5) | alpha) + * Since it wasn't used in 4.1.0 or later, limit to versions in the 4.0.x + * range, which limits the overlap with the new version scheme to conflicts + * with 6.71.8.764 through 6.72.39.934. + */ + if ((ver > (4 << 24)) && (ver < ( (4 << 24) + (1 << 17)))) { + /* 4.0.x and earlier */ + verstr[1] = verstr[3] = 0; + verstr[2] = (ver & 0x1f) ? (ver & 0x1f) + 'a' - 1 : 0; + ver >>= 5; + verstr[0] = (ver & 0x1f) ? (ver & 0x1f) + 'A' - 1 : 0; + ver >>= 5; + vercode[2] = ver & 0x7f; + ver >>= 7; + vercode[1] = ver & 0x7f; + ver >>= 7; + vercode[0] = ver; + xf86ErrorF("\tcompiled for %d.%d", vercode[0], vercode[1]); + if (vercode[2] != 0) + xf86ErrorF(".%d", vercode[2]); + xf86ErrorF("%s%s, module version = %d.%d.%d\n", verstr, verstr + 2, + data->majorversion, data->minorversion, data->patchlevel); + } else { + vercode[0] = ver / 10000000; + vercode[1] = (ver / 100000) % 100; + vercode[2] = (ver / 1000) % 100; + vercode[3] = ver % 1000; + xf86ErrorF("\tcompiled for %d.%d.%d", vercode[0], vercode[1], + vercode[2]); + if (vercode[3] != 0) + xf86ErrorF(".%d", vercode[3]); + xf86ErrorF(", module version = %d.%d.%d\n", data->majorversion, + data->minorversion, data->patchlevel); + } + + if (data->moduleclass) + xf86ErrorFVerb(2, "\tModule class: %s\n", data->moduleclass); + + ver = -1; + if (data->abiclass) { + int abimaj, abimin; + int vermaj, vermin; + + if (!strcmp(data->abiclass, ABI_CLASS_ANSIC)) + ver = LoaderVersionInfo.ansicVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_VIDEODRV)) + ver = LoaderVersionInfo.videodrvVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_XINPUT)) + ver = LoaderVersionInfo.xinputVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_EXTENSION)) + ver = LoaderVersionInfo.extensionVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_FONT)) + ver = LoaderVersionInfo.fontVersion; + + abimaj = GET_ABI_MAJOR(data->abiversion); + abimin = GET_ABI_MINOR(data->abiversion); + xf86ErrorFVerb(2, "\tABI class: %s, version %d.%d\n", + data->abiclass, abimaj, abimin); + if (ver != -1) { + vermaj = GET_ABI_MAJOR(ver); + vermin = GET_ABI_MINOR(ver); + if (abimaj != vermaj) { + if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) + errtype = X_WARNING; + else + errtype = X_ERROR; + xf86MsgVerb(errtype, 0, + "module ABI major version (%d) doesn't" + " match the server's version (%d)\n", + abimaj, vermaj); + if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) + return FALSE; + } else if (abimin > vermin) { + if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) + errtype = X_WARNING; + else + errtype = X_ERROR; + xf86MsgVerb(errtype, 0, + "module ABI minor version (%d) is " + "newer than the server's version " + "(%d)\n", abimin, vermin); + if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) + return FALSE; + } + } + } + + /* Check against requirements that the caller has specified */ + if (req) { + if (req->majorversion != MAJOR_UNSPEC) { + if (data->majorversion != req->majorversion) { + xf86MsgVerb(X_WARNING, 2, "module major version (%d) " + "doesn't match required major version (%d)\n", + data->majorversion, req->majorversion); + return FALSE; + } else if (req->minorversion != MINOR_UNSPEC) { + if (data->minorversion < req->minorversion) { + xf86MsgVerb(X_WARNING, 2, "module minor version (%d) " + "is less than the required minor version (%d)\n", + data->minorversion, req->minorversion); + return FALSE; + } else if (data->minorversion == req->minorversion && + req->patchlevel != PATCH_UNSPEC) { + if (data->patchlevel < req->patchlevel) { + xf86MsgVerb(X_WARNING, 2, "module patch level (%d) " + "is less than the required patch level (%d)\n", + data->patchlevel, req->patchlevel); + return FALSE; + } + } + } + } + if (req->moduleclass) { + if (!data->moduleclass || + strcmp(req->moduleclass, data->moduleclass)) { + xf86MsgVerb(X_WARNING, 2, "Module class (%s) doesn't match " + "the required class (%s)\n", + data->moduleclass ? data->moduleclass : "", + req->moduleclass); + return FALSE; + } + } else if (req->abiclass != ABI_CLASS_NONE) { + if (!data->abiclass || strcmp(req->abiclass, data->abiclass)) { + xf86MsgVerb(X_WARNING, 2, "ABI class (%s) doesn't match the " + "required ABI class (%s)\n", + data->abiclass ? data->abiclass : "", + req->abiclass); + return FALSE; + } + } + if ((req->abiclass != ABI_CLASS_NONE) && + req->abiversion != ABI_VERS_UNSPEC) { + int reqmaj, reqmin, maj, min; + + reqmaj = GET_ABI_MAJOR(req->abiversion); + reqmin = GET_ABI_MINOR(req->abiversion); + maj = GET_ABI_MAJOR(data->abiversion); + min = GET_ABI_MINOR(data->abiversion); + if (maj != reqmaj) { + xf86MsgVerb(X_WARNING, 2, "ABI major version (%d) doesn't " + "match the required ABI major version (%d)\n", + maj, reqmaj); + return FALSE; + } + /* XXX Maybe this should be the other way around? */ + if (min > reqmin) { + xf86MsgVerb(X_WARNING, 2, "module ABI minor version (%d) " + "is newer than that available (%d)\n", min, reqmin); + return FALSE; + } + } + } + return TRUE; +} + +static ModuleDescPtr +AddSibling(ModuleDescPtr head, ModuleDescPtr new) +{ + new->sib = head; + return new; +} + +pointer +LoadSubModule(pointer _parent, const char *module, + const char **subdirlist, const char **patternlist, + pointer options, const XF86ModReqInfo * modreq, + int *errmaj, int *errmin) +{ + ModuleDescPtr submod; + ModuleDescPtr parent = (ModuleDescPtr)_parent; + + xf86MsgVerb(X_INFO, 3, "Loading sub module \"%s\"\n", module); + + if (PathIsAbsolute(module)) { + xf86Msg(X_ERROR, + "LoadSubModule: Absolute module path not permitted: \"%s\"\n", + module); + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 0; + return NULL; + } + + submod = doLoadModule(module, NULL, subdirlist, patternlist, options, + modreq, errmaj, errmin); + if (submod && submod != (ModuleDescPtr) 1) { + parent->child = AddSibling(parent->child, submod); + submod->parent = parent; + } + return submod; +} + +static ModuleDescPtr +NewModuleDesc(const char *name) +{ + ModuleDescPtr mdp = calloc(1, sizeof(ModuleDesc)); + + if (mdp) + mdp->name = xstrdup(name); + + return mdp; +} + +ModuleDescPtr +DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent) +{ + ModuleDescPtr ret; + int errmaj, errmin; + + if (!mod) + return NULL; + + ret = NewModuleDesc(mod->name); + if (ret == NULL) + return NULL; + + if (!(ret->handle = LoaderOpen(mod->path, &errmaj, &errmin))) { + free(ret); + return NULL; + } + + ret->SetupProc = mod->SetupProc; + ret->TearDownProc = mod->TearDownProc; + ret->TearDownData = NULL; + ret->child = DuplicateModule(mod->child, ret); + ret->sib = DuplicateModule(mod->sib, parent); + ret->parent = parent; + ret->VersionInfo = mod->VersionInfo; + ret->path = strdup(mod->path); + + return ret; +} + +static const char *compiled_in_modules[] = { + "ddc", + "i2c", + "ramdac", + NULL +}; + +static ModuleDescPtr +doLoadModule(const char *module, const char *path, const char **subdirlist, + const char **patternlist, pointer options, + const XF86ModReqInfo * modreq, + int *errmaj, int *errmin) +{ + XF86ModuleData *initdata = NULL; + char **pathlist = NULL; + char *found = NULL; + char *name = NULL; + char **path_elem = NULL; + char *p = NULL; + ModuleDescPtr ret = NULL; + PatternPtr patterns = NULL; + int noncanonical = 0; + char *m = NULL; + const char **cim; + + xf86MsgVerb(X_INFO, 3, "LoadModule: \"%s\"", module); + + patterns = InitPatterns(patternlist); + name = LoaderGetCanonicalName(module, patterns); + noncanonical = (name && strcmp(module, name) != 0); + if (noncanonical) { + xf86ErrorFVerb(3, " (%s)\n", name); + xf86MsgVerb(X_WARNING, 1, + "LoadModule: given non-canonical module name \"%s\"\n", + module); + m = name; + } else { + xf86ErrorFVerb(3, "\n"); + m = (char *)module; + } + + for (cim = compiled_in_modules; *cim; cim++) + if (!strcmp (m, *cim)) + { + xf86MsgVerb(X_INFO, 3, "Module \"%s\" already built-in\n", m); + ret = (ModuleDescPtr) 1; + goto LoadModule_exit; + } + + if (!name) { + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + ret = NewModuleDesc(name); + if (!ret) { + if (errmaj) + *errmaj = LDR_NOMEM; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + + pathlist = InitPathList(path); + if (!pathlist) { + /* This could be a malloc failure too */ + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 1; + goto LoadModule_fail; + } + + /* + * if the module name is not a full pathname, we need to + * check the elements in the path + */ + if (PathIsAbsolute(module)) + found = xstrdup(module); + path_elem = pathlist; + while (!found && *path_elem != NULL) { + found = FindModule(m, *path_elem, subdirlist, patterns); + path_elem++; + /* + * When the module name isn't the canonical name, search for the + * former if no match was found for the latter. + */ + if (!*path_elem && m == name) { + path_elem = pathlist; + m = (char *)module; + } + } + + /* + * did we find the module? + */ + if (!found) { + xf86Msg(X_WARNING, "Warning, couldn't open module %s\n", module); + if (errmaj) + *errmaj = LDR_NOENT; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + ret->handle = LoaderOpen(found, errmaj, errmin); + if (ret->handle < 0) + goto LoadModule_fail; + ret->path = strdup(found); + + /* drop any explicit suffix from the module name */ + p = strchr(name, '.'); + if (p) + *p = '\0'; + + /* + * now check if the special data object ModuleData is + * present. + */ + if (asprintf(&p, "%sModuleData", name) == -1) { + p = NULL; + if (errmaj) + *errmaj = LDR_NOMEM; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + initdata = LoaderSymbol(p); + if (initdata) { + ModuleSetupProc setup; + ModuleTearDownProc teardown; + XF86ModuleVersionInfo *vers; + + vers = initdata->vers; + setup = initdata->setup; + teardown = initdata->teardown; + + if (vers) { + if (!CheckVersion(module, vers, modreq)) { + if (errmaj) + *errmaj = LDR_MISMATCH; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + } else { + xf86Msg(X_ERROR, + "LoadModule: Module %s does not supply" + " version information\n", module); + if (errmaj) + *errmaj = LDR_INVALID; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + if (setup) + ret->SetupProc = setup; + if (teardown) + ret->TearDownProc = teardown; + ret->VersionInfo = vers; + } else { + /* No initdata is OK for external modules */ + if (options == EXTERN_MODULE) + goto LoadModule_exit; + + /* no initdata, fail the load */ + xf86Msg(X_ERROR, "LoadModule: Module %s does not have a %s " + "data object.\n", module, p); + if (errmaj) + *errmaj = LDR_INVALID; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + if (ret->SetupProc) { + ret->TearDownData = ret->SetupProc(ret, options, errmaj, errmin); + if (!ret->TearDownData) { + goto LoadModule_fail; + } + } else if (options) { + xf86Msg(X_WARNING, "Module Options present, but no SetupProc " + "available for %s\n", module); + } + goto LoadModule_exit; + + LoadModule_fail: + UnloadModule(ret); + ret = NULL; + + LoadModule_exit: + FreePathList(pathlist); + FreePatterns(patterns); + free(found); + free(name); + free(p); + + return ret; +} + +/* + * LoadModule: load a module + * + * module The module name. Normally this is not a filename but the + * module's "canonical name. A full pathname is, however, + * also accepted. + * path A comma separated list of module directories. + * subdirlist A NULL terminated list of subdirectories to search. When + * NULL, the default "stdSubdirs" list is used. The default + * list is also substituted for entries with value DEFAULT_LIST. + * patternlist A NULL terminated list of regular expressions used to find + * module filenames. Each regex should contain exactly one + * subexpression that corresponds to the canonical module name. + * When NULL, the default "stdPatterns" list is used. The + * default list is also substituted for entries with value + * DEFAULT_LIST. + * options A NULL terminated list of Options that are passed to the + * module's SetupProc function. + * modreq An optional XF86ModReqInfo* containing + * version/ABI/vendor-ABI requirements to check for when + * loading the module. The following fields of the + * XF86ModReqInfo struct are checked: + * majorversion - must match the module's majorversion exactly + * minorversion - the module's minorversion must be >= this + * patchlevel - the module's minorversion.patchlevel must be + * >= this. Patchlevel is ignored when + * minorversion is not set. + * abiclass - (string) must match the module's abiclass + * abiversion - must be consistent with the module's + * abiversion (major equal, minor no older) + * moduleclass - string must match the module's moduleclass + * string + * "don't care" values are ~0 for numbers, and NULL for strings + * errmaj Major error return. + * errmin Minor error return. + * + */ +ModuleDescPtr +LoadModule(const char *module, const char *path, const char **subdirlist, + const char **patternlist, pointer options, + const XF86ModReqInfo * modreq, int *errmaj, int *errmin) +{ + return doLoadModule(module, path, subdirlist, patternlist, options, + modreq, errmaj, errmin); +} + +void +UnloadModule(pointer mod) +{ + UnloadModuleOrDriver((ModuleDescPtr)mod); +} + +static void +UnloadModuleOrDriver(ModuleDescPtr mod) +{ + if (mod == (ModuleDescPtr) 1) + return; + + if (mod == NULL || mod->name == NULL) + return; + + xf86MsgVerb(X_INFO, 3, "UnloadModule: \"%s\"\n", mod->name); + + if ((mod->TearDownProc) && (mod->TearDownData)) + mod->TearDownProc(mod->TearDownData); + LoaderUnload(mod->name, mod->handle); + + if (mod->child) + UnloadModuleOrDriver(mod->child); + if (mod->sib) + UnloadModuleOrDriver(mod->sib); + free(mod->path); + free(mod->name); + free(mod); +} + +void +UnloadSubModule(pointer _mod) +{ + ModuleDescPtr mod = (ModuleDescPtr)_mod; + + if (mod == NULL || mod->name == NULL) + return; + + xf86MsgVerb(X_INFO, 3, "UnloadSubModule: \"%s\"\n", mod->name); + + if ((mod->TearDownProc) && (mod->TearDownData)) + mod->TearDownProc(mod->TearDownData); + LoaderUnload(mod->name, mod->handle); + + RemoveChild(mod); + + if (mod->child) + UnloadModuleOrDriver(mod->child); + + free(mod->path); + free(mod->name); + free(mod); +} + +static void +RemoveChild(ModuleDescPtr child) +{ + ModuleDescPtr mdp; + ModuleDescPtr prevsib; + ModuleDescPtr parent; + + if (!child->parent) + return; + + parent = child->parent; + if (parent->child == child) { + parent->child = child->sib; + return; + } + + prevsib = parent->child; + mdp = prevsib->sib; + while (mdp && mdp != child) { + prevsib = mdp; + mdp = mdp->sib; + } + if (mdp == child) + prevsib->sib = child->sib; + return; +} + +void +LoaderErrorMsg(const char *name, const char *modname, int errmaj, int errmin) +{ + const char *msg; + MessageType type = X_ERROR; + + switch (errmaj) { + case LDR_NOERROR: + msg = "no error"; + break; + case LDR_NOMEM: + msg = "out of memory"; + break; + case LDR_NOENT: + msg = "module does not exist"; + break; + case LDR_NOSUBENT: + msg = "a required submodule could not be loaded"; + break; + case LDR_NOSPACE: + msg = "too many modules"; + break; + case LDR_NOMODOPEN: + msg = "open failed"; + break; + case LDR_UNKTYPE: + msg = "unknown module type"; + break; + case LDR_NOLOAD: + msg = "loader failed"; + break; + case LDR_ONCEONLY: + msg = "already loaded"; + type = X_INFO; + break; + case LDR_NOPORTOPEN: + msg = "port open failed"; + break; + case LDR_NOHARDWARE: + msg = "no hardware found"; + break; + case LDR_MISMATCH: + msg = "module requirement mismatch"; + break; + case LDR_BADUSAGE: + msg = "invalid argument(s) to LoadModule()"; + break; + case LDR_INVALID: + msg = "invalid module"; + break; + case LDR_BADOS: + msg = "module doesn't support this OS"; + break; + case LDR_MODSPECIFIC: + msg = "module-specific error"; + break; + default: + msg = "unknown error"; + } + if (name) + xf86Msg(type, "%s: Failed to load module \"%s\" (%s, %d)\n", + name, modname, msg, errmin); + else + xf86Msg(type, "Failed to load module \"%s\" (%s, %d)\n", + modname, msg, errmin); +} + +/* Given a module path or file name, return the module's canonical name */ +static char * +LoaderGetCanonicalName(const char *modname, PatternPtr patterns) +{ + char *str; + const char *s; + int len; + PatternPtr p; + regmatch_t match[2]; + + /* Strip off any leading path */ + s = strrchr(modname, '/'); + if (s == NULL) + s = modname; + else + s++; + + /* Find the first regex that is matched */ + for (p = patterns; p->pattern; p++) + if (regexec(&p->rex, s, 2, match, 0) == 0 && match[1].rm_so != -1) { + len = match[1].rm_eo - match[1].rm_so; + str = malloc(len + 1); + if (!str) + return NULL; + strncpy(str, s + match[1].rm_so, len); + str[len] = '\0'; + return str; + } + + /* If there is no match, return the whole name minus the leading path */ + return strdup(s); +} + +/* + * Return the module version information. + */ +unsigned long +LoaderGetModuleVersion(ModuleDescPtr mod) +{ + if (!mod || mod == (ModuleDescPtr) 1 || !mod->VersionInfo) + return 0; + + return MODULE_VERSION_NUMERIC(mod->VersionInfo->majorversion, + mod->VersionInfo->minorversion, + mod->VersionInfo->patchlevel); +} -- cgit v1.2.3