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authormarha <marha@users.sourceforge.net>2011-04-05 09:51:44 +0000
committermarha <marha@users.sourceforge.net>2011-04-05 09:51:44 +0000
commiteaedc21febeadad4cf0e370f5d97e7bdb4470870 (patch)
tree64e879d8b191f767650e3f4793160a68b0121e4f /xorg-server/hw/xfree86
parent5d8e1ad0cd01de0bd0b43dc916c1d39fd293e79d (diff)
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xserver xkeyboard-config libxcb xkbcomp mesa git update 5 Apr 2011
Diffstat (limited to 'xorg-server/hw/xfree86')
-rw-r--r--xorg-server/hw/xfree86/common/xf86Config.c32
-rw-r--r--xorg-server/hw/xfree86/common/xf86Helper.c1
-rw-r--r--xorg-server/hw/xfree86/common/xf86Init.c2996
-rw-r--r--xorg-server/hw/xfree86/dri2/dri2.c2459
-rw-r--r--xorg-server/hw/xfree86/loader/loadmod.c2516
5 files changed, 4016 insertions, 3988 deletions
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 <xorg-config.h>
-#endif
-
-#include <stdlib.h>
-#include <errno.h>
-
-#undef HAS_UTSNAME
-#if !defined(WIN32)
-#define HAS_UTSNAME 1
-#include <sys/utsname.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xmd.h>
-#include <X11/Xproto.h>
-#include <X11/Xatom.h>
-#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 <X11/extensions/XI.h>
-#include <X11/extensions/XIproto.h>
-#include "xf86DDC.h"
-#include "xf86Xinput.h"
-#include "xf86InPriv.h"
-#include "picturestr.h"
-
-#include "xf86Bus.h"
-#include "xf86VGAarbiter.h"
-#include "globals.h"
-
-#ifdef DPMSExtension
-#include <X11/extensions/dpmsconst.h>
-#include "dpmsproc.h"
-#endif
-#include <hotplug.h>
-
-
-#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 <xorg-config.h>
+#endif
+
+#include <stdlib.h>
+#include <errno.h>
+
+#undef HAS_UTSNAME
+#if !defined(WIN32)
+#define HAS_UTSNAME 1
+#include <sys/utsname.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include <X11/Xproto.h>
+#include <X11/Xatom.h>
+#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 <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "xf86DDC.h"
+#include "xf86Xinput.h"
+#include "xf86InPriv.h"
+#include "picturestr.h"
+
+#include "xf86Bus.h"
+#include "xf86VGAarbiter.h"
+#include "globals.h"
+
+#ifdef DPMSExtension
+#include <X11/extensions/dpmsconst.h>
+#include "dpmsproc.h"
+#endif
+#include <hotplug.h>
+
+
+#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 <xorg-config.h>
-#endif
-
-#include <errno.h>
-#ifdef WITH_LIBDRM
-#include <xf86drm.h>
-#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(&region, &box, 0);
-
- DRI2CopyRegion(pDraw, &region, 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(&region, &box, 0);
- DRI2CopyRegion(pDraw, &region, 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(&region, &box, 0);
-
- pPriv->swapsPending++;
-
- (*ds->CopyRegion)(pDraw, &region, 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, &current_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 <xorg-config.h>
+#endif
+
+#include <errno.h>
+#ifdef WITH_LIBDRM
+#include <xf86drm.h>
+#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(&region, &box, 0);
+
+ DRI2CopyRegion(pDraw, &region, 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(&region, &box, 0);
+ DRI2CopyRegion(pDraw, &region, 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(&region, &box, 0);
+
+ pPriv->swapsPending++;
+
+ (*ds->CopyRegion)(pDraw, &region, 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, &current_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 <xorg-config.h>
-#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 <sys/types.h>
-#include <regex.h>
-#include <dirent.h>
-#include <limits.h>
-
-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 : "<NONE>",
- 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 : "<NONE>",
- 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 <modulename>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 <xorg-config.h>
+#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 <sys/types.h>
+#include <regex.h>
+#include <dirent.h>
+#include <limits.h>
+
+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 : "<NONE>",
+ 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 : "<NONE>",
+ 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 <modulename>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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 13:21:35 +0000