--- /dev/null
+From 0f70ba9d3412b17ac4e08e33e1be3c226c06ea54 Mon Sep 17 00:00:00 2001
+From: Yan Li <yan.i.li@intel.com>
+Date: Tue, 12 May 2009 17:49:07 +0800
+Subject: [PATCH] XKB: cache xkbcomp output for fast start-up v5 for 1.6.1
+Organization: Intel
+
+xkbcomp outputs will be cached in files with hashed keymap as
+names. This saves boot time for around 1s on commodity netbooks.
+
+Signed-off-by: Yan Li <yan.i.li@intel.com>
+---
+ configure.ac | 6 +-
+ xkb/README.compiled | 8 +-
+ xkb/ddxLoad.c | 192 +++++++++++++++++++++++++++++++++++++++++---------
+ 3 files changed, 164 insertions(+), 42 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 4c4c797..7a5020a 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -476,9 +476,9 @@ AC_ARG_WITH(default-font-path, AS_HELP_STRING([--with-default-font-path=PATH], [
+ AC_ARG_WITH(xkb-path, AS_HELP_STRING([--with-xkb-path=PATH], [Path to XKB base dir (default: ${datadir}/X11/xkb)]),
+ [ XKBPATH="$withval" ],
+ [ XKBPATH="${datadir}/X11/xkb" ])
+-AC_ARG_WITH(xkb-output, AS_HELP_STRING([--with-xkb-output=PATH], [Path to XKB output dir (default: ${datadir}/X11/xkb/compiled)]),
++AC_ARG_WITH(xkb-output, AS_HELP_STRING([--with-xkb-output=PATH], [Path to XKB output dir (default: ${localstatedir}/cache/xkb)]),
+ [ XKBOUTPUT="$withval" ],
+- [ XKBOUTPUT="compiled" ])
++ [ XKBOUTPUT="${localstatedir}/cache/xkb" ])
+ AC_ARG_WITH(serverconfig-path, AS_HELP_STRING([--with-serverconfig-path=PATH],
+ [Directory where ancillary server config files are installed (default: ${libdir}/xorg)]),
+ [ SERVERCONFIG="$withval" ],
+@@ -1757,7 +1757,7 @@ AC_DEFINE_DIR(XKB_BIN_DIRECTORY, bindir, [Path to XKB bin dir])
+ XKBOUTPUT_FIRSTCHAR=`echo $XKBOUTPUT | cut -b 1`
+
+ if [[ x$XKBOUTPUT_FIRSTCHAR != x/ ]] ; then
+- XKBOUTPUT="$XKB_BASE_DIRECTORY/$XKBOUTPUT"
++ AC_MSG_ERROR([xkb-output must be an absolute path.])
+ fi
+
+ # XKM_OUTPUT_DIR (used in code) must end in / or file names get hosed
+diff --git a/xkb/README.compiled b/xkb/README.compiled
+index 71caa2f..a4a2ae0 100644
+--- a/xkb/README.compiled
++++ b/xkb/README.compiled
+@@ -4,10 +4,10 @@ current keymap and/or any scratch keymaps used by clients. The X server
+ or some other tool might destroy or replace the files in this directory,
+ so it is not a safe place to store compiled keymaps for long periods of
+ time. The default keymap for any server is usually stored in:
+- X<num>-default.xkm
+-where <num> is the display number of the server in question, which makes
+-it possible for several servers *on the same host* to share the same
+-directory.
++ server-<SHA1>.xkm
++
++where <SHA1> is the SHA1 hash of keymap source, so that compiled
++keymap of different keymap sources are stored in different files.
+
+ Unless the X server is modified, sharing this directory between servers on
+ different hosts could cause problems.
+diff --git a/xkb/ddxLoad.c b/xkb/ddxLoad.c
+index 4d5dfb6..60a68af 100644
+--- a/xkb/ddxLoad.c
++++ b/xkb/ddxLoad.c
+@@ -32,6 +32,12 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ #include <xkb-config.h>
+ #endif
+
++#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
++# include <sha1.h>
++#else /* Use OpenSSL's libcrypto */
++# include <stddef.h> /* buggy openssl/sha.h wants size_t */
++# include <openssl/sha.h>
++#endif
+ #include <stdio.h>
+ #include <ctype.h>
+ #define NEED_EVENTS 1
+@@ -46,24 +52,13 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ #define XKBSRV_NEED_FILE_FUNCS
+ #include <xkbsrv.h>
+ #include <X11/extensions/XI.h>
++#include <errno.h>
+ #include "xkb.h"
+
+ #if defined(CSRG_BASED) || defined(linux) || defined(__GNU__)
+ #include <paths.h>
+ #endif
+
+- /*
+- * If XKM_OUTPUT_DIR specifies a path without a leading slash, it is
+- * relative to the top-level XKB configuration directory.
+- * Making the server write to a subdirectory of that directory
+- * requires some work in the general case (install procedure
+- * has to create links to /var or somesuch on many machines),
+- * so we just compile into /usr/tmp for now.
+- */
+-#ifndef XKM_OUTPUT_DIR
+-#define XKM_OUTPUT_DIR "compiled/"
+-#endif
+-
+ #define PRE_ERROR_MSG "\"The XKEYBOARD keymap compiler (xkbcomp) reports:\""
+ #define ERROR_PREFIX "\"> \""
+ #define POST_ERROR_MSG1 "\"Errors from xkbcomp are not fatal to the X server\""
+@@ -179,6 +174,45 @@ OutputDirectory(
+ }
+
+ static Bool
++Sha1Asc(char sha1Asc[SHA_DIGEST_LENGTH*2+1], const char * input)
++{
++ int i;
++ unsigned char sha1[SHA_DIGEST_LENGTH];
++
++#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
++ SHA1_CTX ctx;
++
++ SHA1Init (&ctx);
++ SHA1Update (&ctx, input, strlen(input));
++ SHA1Final (sha1, &ctx);
++#else /* Use OpenSSL's libcrypto */
++ SHA_CTX ctx;
++ int success;
++
++ success = SHA1_Init (&ctx);
++ if (! success)
++ return BadAlloc;
++
++ success = SHA1_Update (&ctx, input, strlen(input));
++ if (! success)
++ return BadAlloc;
++
++ success = SHA1_Final (sha1, &ctx);
++ if (! success)
++ return BadAlloc;
++#endif
++
++ /* convert sha1 to sha1_asc */
++ for(i=0; i<SHA_DIGEST_LENGTH; ++i) {
++ sprintf(sha1Asc+i*2, "%02X", sha1[i]);
++ }
++
++ return Success;
++}
++
++/* call xkbcomp and compile XKB keymap, return xkm file name in
++ nameRtrn */
++static Bool
+ XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
+ XkbComponentNamesPtr names,
+ unsigned want,
+@@ -187,7 +221,11 @@ XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
+ int nameRtrnLen)
+ {
+ FILE * out;
+- char *buf = NULL, keymap[PATH_MAX], xkm_output_dir[PATH_MAX];
++ char * buf = NULL, xkmfile[PATH_MAX], xkm_output_dir[PATH_MAX];
++ char * tmpXkmFile = NULL;
++ char * canonicalXkmFileName = NULL;
++ char sha1Asc[SHA_DIGEST_LENGTH*2+1], xkbKeyMapBuf[100*1024];
++ int ret, result;
+
+ const char *emptystring = "";
+ const char *xkbbasedirflag = emptystring;
+@@ -198,16 +236,70 @@ XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
+ /* WIN32 has no popen. The input must be stored in a file which is
+ used as input for xkbcomp. xkbcomp does not read from stdin. */
+ char tmpname[PATH_MAX];
+- const char *xkmfile = tmpname;
++ const char *xkbfile = tmpname;
+ #else
+- const char *xkmfile = "-";
++ const char *xkbfile = "-";
+ #endif
+
+- snprintf(keymap, sizeof(keymap), "server-%s", display);
++ /* Write keymap source (xkbfile) to memory buffer `xkbKeyMapBuf',
++ of which SHA1 is generated and used as result xkm file name */
++ memset(xkbKeyMapBuf, 0, sizeof(xkbKeyMapBuf));
++ out = fmemopen(xkbKeyMapBuf, sizeof(xkbKeyMapBuf), "w");
++ if (NULL == out) {
++ ErrorF("[xkb] Open xkbKeyMapBuf for writing failed\n");
++ return False;
++ }
++ ret = XkbWriteXKBKeymapForNames(out, names, xkb, want, need);
++ if (fclose(out) !=0)
++ {
++ ErrorF("[xkb] XkbWriteXKBKeymapForNames error, perhaps xkbKeyMapBuf is too small\n");
++ return False;
++ }
++#ifdef DEBUG
++ if (xkbDebugFlags) {
++ ErrorF("[xkb] XkbDDXCompileKeymapByNames compiling keymap:\n");
++ fputs(xkbKeyMapBuf, stderr);
++ }
++#endif
++ if (!ret) {
++ ErrorF("[xkb] Generating XKB Keymap failed, giving up compiling keymap\n");
++ return False;
++ }
++
++ DebugF("[xkb] computing SHA1 of keymap\n");
++ if (Success == Sha1Asc(sha1Asc, xkbKeyMapBuf)) {
++ snprintf(xkmfile, sizeof(xkmfile), "server-%s", sha1Asc);
++ }
++ else {
++ ErrorF("[xkb] Computing SHA1 of keymap failed, "
++ "using display name instead as xkm file name\n");
++ snprintf(xkmfile, sizeof(xkmfile), "server-%s", display);
++ }
+
+- XkbEnsureSafeMapName(keymap);
++ XkbEnsureSafeMapName(xkmfile);
+ OutputDirectory(xkm_output_dir, sizeof(xkm_output_dir));
+
++ /* set nameRtrn, fail if it's too small */
++ if ((strlen(xkmfile)+1 > nameRtrnLen) && nameRtrn) {
++ ErrorF("[xkb] nameRtrn too small to hold xkmfile name\n");
++ return False;
++ }
++ strncpy(nameRtrn, xkmfile, nameRtrnLen);
++
++ /* if the xkm file already exists, reuse it */
++ canonicalXkmFileName = Xprintf("%s%s.xkm", xkm_output_dir, xkmfile);
++ if (access(canonicalXkmFileName, R_OK) == 0) {
++ /* yes, we can reuse the old xkm file */
++ LogMessage(X_INFO, "XKB: reuse xkmfile %s\n", canonicalXkmFileName);
++ result = True;
++ goto _ret;
++ }
++ LogMessage(X_INFO, "XKB: generating xkmfile %s\n", canonicalXkmFileName);
++
++ /* continue to call xkbcomp to compile the keymap. to avoid race
++ condition, we compile it to a tmpfile then rename it to
++ xkmfile */
++
+ #ifdef WIN32
+ strcpy(tmpname, Win32TempDir());
+ strcat(tmpname, "\\xkb_XXXXXX");
+@@ -230,19 +322,30 @@ XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
+ }
+ }
+
++ if ( (tmpXkmFile = tempnam(xkm_output_dir, NULL)) == NULL ) {
++ ErrorF("[xkb] Can't generate temp xkm file name");
++ result = False;
++ goto _ret;
++ }
++
+ buf = Xprintf("\"%s%sxkbcomp\" -w %d %s -xkm \"%s\" "
+- "-em1 %s -emp %s -eml %s \"%s%s.xkm\"",
++ "-em1 %s -emp %s -eml %s \"%s\"",
+ xkbbindir, xkbbindirsep,
+ ( (xkbDebugFlags < 2) ? 1 :
+ ((xkbDebugFlags > 10) ? 10 : (int)xkbDebugFlags) ),
+- xkbbasedirflag, xkmfile,
++ xkbbasedirflag, xkbfile,
+ PRE_ERROR_MSG, ERROR_PREFIX, POST_ERROR_MSG1,
+- xkm_output_dir, keymap);
++ tmpXkmFile);
+
+ if (xkbbasedirflag != emptystring) {
+ xfree(xkbbasedirflag);
+ }
+
++ /* there's a potential race condition between calling tempnam()
++ and invoking xkbcomp to write the result file (potential temp
++ file name conflicts), but since xkbcomp is a standalone
++ program, we have to live with this */
++
+ #ifndef WIN32
+ out= Popen(buf,"w");
+ #else
+@@ -250,31 +353,43 @@ XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
+ #endif
+
+ if (out!=NULL) {
+-#ifdef DEBUG
+- if (xkbDebugFlags) {
+- ErrorF("[xkb] XkbDDXCompileKeymapByNames compiling keymap:\n");
+- XkbWriteXKBKeymapForNames(stderr,names,xkb,want,need);
++ /* write XKBKeyMapBuf to xkbcomp */
++ if (EOF==fputs(xkbKeyMapBuf, out))
++ {
++ ErrorF("[xkb] Sending keymap to xkbcomp failed\n");
++ result = False;
++ goto _ret;
+ }
+-#endif
+- XkbWriteXKBKeymapForNames(out,names,xkb,want,need);
+ #ifndef WIN32
+ if (Pclose(out)==0)
+ #else
+ if (fclose(out)==0 && System(buf) >= 0)
+ #endif
+ {
++ /* xkbcomp success */
+ if (xkbDebugFlags)
+ DebugF("[xkb] xkb executes: %s\n",buf);
+- if (nameRtrn) {
+- strncpy(nameRtrn,keymap,nameRtrnLen);
+- nameRtrn[nameRtrnLen-1]= '\0';
++
++ /* if canonicalXkmFileName already exists now, we simply
++ overwrite it, this is OK */
++ ret = rename(tmpXkmFile, canonicalXkmFileName);
++ if (0 != ret) {
++ ErrorF("[xkb] Can't rename %s to %s, error: %s\n",
++ tmpXkmFile, canonicalXkmFileName,
++ strerror(errno));
++
++ /* in case of error, don't unlink tmpXkmFile, leave it
++ for debugging */
++
++ result = False;
++ goto _ret;
+ }
+- if (buf != NULL)
+- xfree (buf);
+- return True;
++
++ result = True;
++ goto _ret;
+ }
+ else
+- LogMessage(X_ERROR, "Error compiling keymap (%s)\n", keymap);
++ LogMessage(X_ERROR, "Error compiling keymap (%s)\n", xkbfile);
+ #ifdef WIN32
+ /* remove the temporary file */
+ unlink(tmpname);
+@@ -289,9 +404,17 @@ XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
+ }
+ if (nameRtrn)
+ nameRtrn[0]= '\0';
++ result = False;
++
++_ret:
++ if (tmpXkmFile)
++ free(tmpXkmFile);
++ if (canonicalXkmFileName)
++ xfree(canonicalXkmFileName);
+ if (buf != NULL)
+ xfree (buf);
+- return False;
++
++ return result;
+ }
+
+ static FILE *
+@@ -375,7 +498,6 @@ unsigned missing;
+ DebugF("Loaded XKB keymap %s, defined=0x%x\n",fileName,(*xkbRtrn)->defined);
+ }
+ fclose(file);
+- (void) unlink (fileName);
+ return (need|want)&(~missing);
+ }
+
+--
+1.5.6.5
+
--- /dev/null
+From a3e15680da24cb8259f6a83dee0c930dab024290 Mon Sep 17 00:00:00 2001
+From: Kristian <krh@redhat.com>
+Date: Fri, 15 Aug 2008 15:15:14 +1000
+Subject: [PATCH] Add nr for background=none root
+
+---
+ dix/globals.c | 1 +
+ dix/window.c | 22 ++++++++++++----------
+ hw/xfree86/common/xf86Init.c | 11 +++++++++++
+ hw/xfree86/common/xf86str.h | 5 ++++-
+ include/opaque.h | 1 +
+ os/utils.c | 3 +++
+ 6 files changed, 32 insertions(+), 11 deletions(-)
+
+diff --git a/dix/globals.c b/dix/globals.c
+index 973dc43..dbd76bb 100644
+--- a/dix/globals.c
++++ b/dix/globals.c
+@@ -141,6 +141,7 @@ FontPtr defaultFont; /* not declared in dix.h to avoid including font.h in
+ CursorPtr rootCursor;
+ Bool party_like_its_1989 = FALSE;
+ Bool whiteRoot = FALSE;
++Bool bgNoneRoot = FALSE;
+
+ int cursorScreenDevPriv[MAXSCREENS];
+
+diff --git a/dix/window.c b/dix/window.c
+index c31fa87..8bb178d 100644
+--- a/dix/window.c
++++ b/dix/window.c
+@@ -482,23 +482,24 @@ InitRootWindow(WindowPtr pWin)
+ pWin->cursorIsNone = FALSE;
+ pWin->optional->cursor = rootCursor;
+ rootCursor->refcnt++;
+-
++ pWin->backingStore = defaultBackingStore;
++ pWin->forcedBS = (defaultBackingStore != NotUseful);
+
+ if (party_like_its_1989) {
+ MakeRootTile(pWin);
+ backFlag |= CWBackPixmap;
++ pScreen->ChangeWindowAttributes(pWin, backFlag);
++ } else if (bgNoneRoot) {
++ /* nothing, handled in xf86CreateRootWindow */
+ } else {
+ if (whiteRoot)
+ pWin->background.pixel = pScreen->whitePixel;
+ else
+ pWin->background.pixel = pScreen->blackPixel;
+ backFlag |= CWBackPixel;
+- }
+
+- pWin->backingStore = defaultBackingStore;
+- pWin->forcedBS = (defaultBackingStore != NotUseful);
+- /* We SHOULD check for an error value here XXX */
+- (*pScreen->ChangeWindowAttributes)(pWin, backFlag);
++ pScreen->ChangeWindowAttributes(pWin, backFlag);
++ }
+
+ MapWindow(pWin, serverClient);
+ }
+diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
+index 236c00b..083a6ac 100644
+--- a/hw/xfree86/common/xf86Init.c
++++ b/hw/xfree86/common/xf86Init.c
+@@ -79,6 +79,7 @@
+ #ifdef RENDER
+ #include "picturestr.h"
+ #endif
++#include "xace.h"
+
+ #include "globals.h"
+
+@@ -328,6 +329,7 @@ xf86CreateRootWindow(WindowPtr pWin)
+ int ret = TRUE;
+ int err = Success;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
++ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ RootWinPropPtr pProp;
+ CreateWindowProcPtr CreateWindow = (CreateWindowProcPtr)
+ dixLookupPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey);
+@@ -381,6 +383,15 @@ xf86CreateRootWindow(WindowPtr pWin)
+ }
+ }
+
++ if (bgNoneRoot && pScrn->canDoBGNoneRoot || 1) {
++ pWin->backgroundState = XaceBackgroundNoneState(pWin);
++ pWin->background.pixel = pScreen->whitePixel;
++ pScreen->ChangeWindowAttributes(pWin, CWBackPixmap | CWBorderPixel | CWCursor | CWBackingStore);
++ } else {
++ pWin->background.pixel = pScreen->blackPixel;
++ pScreen->ChangeWindowAttributes(pWin, CWBackPixel | CWBorderPixel | CWCursor | CWBackingStore);
++ }
++
+ #ifdef DEBUG
+ ErrorF("xf86CreateRootWindow() returns %d\n", ret);
+ #endif
+diff --git a/hw/xfree86/common/xf86str.h b/hw/xfree86/common/xf86str.h
+index 904c369..8c38f69 100644
+--- a/hw/xfree86/common/xf86str.h
++++ b/hw/xfree86/common/xf86str.h
+@@ -531,7 +531,7 @@ typedef struct _confdrirec {
+ } confDRIRec, *confDRIPtr;
+
+ /* These values should be adjusted when new fields are added to ScrnInfoRec */
+-#define NUM_RESERVED_INTS 16
++#define NUM_RESERVED_INTS 15
+ #define NUM_RESERVED_POINTERS 15
+ #define NUM_RESERVED_FUNCS 11
+
+@@ -959,6 +959,9 @@ typedef struct _ScrnInfoRec {
+ ClockRangesPtr clockRanges;
+ int adjustFlags;
+
++ /* -nr support */
++ int canDoBGNoneRoot;
++
+ /*
+ * These can be used when the minor ABI version is incremented.
+ * The NUM_* parameters must be reduced appropriately to keep the
+diff --git a/include/opaque.h b/include/opaque.h
+index 07a0715..be1577b 100644
+--- a/include/opaque.h
++++ b/include/opaque.h
+@@ -71,6 +71,7 @@ extern Bool defeatAccessControl;
+ extern long maxBigRequestSize;
+ extern Bool party_like_its_1989;
+ extern Bool whiteRoot;
++extern Bool bgNoneRoot;
+
+ extern Bool CoreDump;
+
+diff --git a/os/utils.c b/os/utils.c
+index b100949..c41b45b 100644
+--- a/os/utils.c
++++ b/os/utils.c
+@@ -515,6 +515,7 @@ void UseMsg(void)
+ #endif
+ ErrorF("-nolisten string don't listen on protocol\n");
+ ErrorF("-noreset don't reset after last client exists\n");
++ ErrorF("-nr create root window with no background\n");
+ ErrorF("-reset reset after last client exists\n");
+ ErrorF("-p # screen-saver pattern duration (minutes)\n");
+ ErrorF("-pn accept failure to listen on all ports\n");
+@@ -859,6 +860,8 @@ ProcessCommandLine(int argc, char *argv[])
+ defaultBackingStore = WhenMapped;
+ else if ( strcmp( argv[i], "-wr") == 0)
+ whiteRoot = TRUE;
++ else if ( strcmp( argv[i], "-nr") == 0)
++ bgNoneRoot = TRUE;
+ else if ( strcmp( argv[i], "-maxbigreqsize") == 0) {
+ if(++i < argc) {
+ long reqSizeArg = atol(argv[i]);
+--
+1.5.3.4
+
--- /dev/null
+diff --git a/glx/glxdri2.c b/glx/glxdri2.c
+index 146ea82..3b5338b 100644
+--- a/glx/glxdri2.c
++++ b/glx/glxdri2.c
+@@ -70,6 +70,7 @@ struct __GLXDRIscreen {
+
+ const __DRIcoreExtension *core;
+ const __DRIdri2Extension *dri2;
++ const __DRI2flushExtension *flush;
+ const __DRIcopySubBufferExtension *copySubBuffer;
+ const __DRIswapControlExtension *swapControl;
+ const __DRItexBufferExtension *texBuffer;
+@@ -135,10 +136,14 @@ __glXDRIdrawableCopySubBuffer(__GLXdrawable *drawable,
+ static GLboolean
+ __glXDRIdrawableSwapBuffers(__GLXdrawable *drawable)
+ {
+- __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
++ __GLXDRIdrawable *priv = (__GLXDRIdrawable *) drawable;
++ __GLXDRIscreen *screen = priv->screen;
++
++ if (!DRI2SwapBuffers(drawable->pDraw))
++ return FALSE;
+
+- __glXDRIdrawableCopySubBuffer(drawable, 0, 0,
+- private->width, private->height);
++ if (screen->flush->flushInvalidate)
++ (*screen->flush->flushInvalidate)(priv->driDrawable);
+
+ return TRUE;
+ }
+diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
+index 580383d..23e6467 100644
+--- a/hw/xfree86/dri2/dri2.c
++++ b/hw/xfree86/dri2/dri2.c
+@@ -70,6 +70,7 @@ typedef struct _DRI2Screen {
+ DRI2CreateBufferProcPtr CreateBuffer;
+ DRI2DestroyBufferProcPtr DestroyBuffer;
+ DRI2CopyRegionProcPtr CopyRegion;
++ DRI2SwapBuffersProcPtr SwapBuffers;
+
+ HandleExposuresProcPtr HandleExposures;
+ } DRI2ScreenRec, *DRI2ScreenPtr;
+@@ -422,6 +423,49 @@ DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
+ return Success;
+ }
+
++Bool
++DRI2SwapBuffers(DrawablePtr pDraw)
++{
++ DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
++ DRI2DrawablePtr pPriv;
++ DRI2BufferPtr pDestBuffer, pSrcBuffer;
++ int i;
++
++ pPriv = DRI2GetDrawable(pDraw);
++ if (pPriv == NULL)
++ return FALSE;
++
++ pDestBuffer = NULL;
++ pSrcBuffer = NULL;
++ 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)
++ return FALSE;
++
++ if (ds->SwapBuffers) {
++ if ((*ds->SwapBuffers)(pDraw, pDestBuffer, pSrcBuffer))
++ return TRUE;
++ }
++
++ BoxRec box;
++ RegionRec region;
++
++ box.x1 = 0;
++ box.y1 = 0;
++ box.x2 = pDraw->width;
++ box.y2 = pDraw->height;
++ REGION_INIT(drawable->pDraw->pScreen, ®ion, &box, 0);
++ if (DRI2CopyRegion(pDraw, ®ion, DRI2BufferFrontLeft, DRI2BufferBackLeft) != Success)
++ return FALSE;
++
++ return TRUE;
++}
++
+ void
+ DRI2DestroyDrawable(DrawablePtr pDraw)
+ {
+@@ -538,6 +582,9 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
+ }
+ ds->CopyRegion = info->CopyRegion;
+
++ if (info->version >= 3)
++ ds->SwapBuffers = info->SwapBuffers;
++
+ dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds);
+
+ xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] Setup complete\n");
+diff --git a/hw/xfree86/dri2/dri2.h b/hw/xfree86/dri2/dri2.h
+index f369267..e2784dd 100644
+--- a/hw/xfree86/dri2/dri2.h
++++ b/hw/xfree86/dri2/dri2.h
+@@ -67,6 +67,10 @@ typedef void (*DRI2CopyRegionProcPtr)(DrawablePtr pDraw,
+ DRI2BufferPtr pDestBuffer,
+ DRI2BufferPtr pSrcBuffer);
+
++typedef Bool (*DRI2SwapBuffersProcPtr)(DrawablePtr pDraw,
++ DRI2BufferPtr pFrontBuffer,
++ DRI2BufferPtr pBackBuffer);
++
+ typedef void (*DRI2WaitProcPtr)(WindowPtr pWin,
+ unsigned int sequence);
+
+@@ -90,6 +94,7 @@ typedef struct {
+ DRI2CreateBuffersProcPtr CreateBuffers;
+ DRI2DestroyBuffersProcPtr DestroyBuffers;
+ DRI2CopyRegionProcPtr CopyRegion;
++ DRI2SwapBuffersProcPtr SwapBuffers;
+ DRI2WaitProcPtr Wait;
+
+ /**
+@@ -153,4 +158,6 @@ extern _X_EXPORT DRI2Buffer2Ptr *DRI2GetBuffersWithFormat(DrawablePtr pDraw,
+ int *width, int *height, unsigned int *attachments, int count,
+ int *out_count);
+
++extern _X_EXPORT Bool DRI2SwapBuffers(DrawablePtr pDraw);
++
+ #endif
+diff --git a/hw/xfree86/dri2/dri2ext.c b/hw/xfree86/dri2/dri2ext.c
+index 3c06174..67b419b 100644
+--- a/hw/xfree86/dri2/dri2ext.c
++++ b/hw/xfree86/dri2/dri2ext.c
+@@ -81,7 +81,7 @@ ProcDRI2QueryVersion(ClientPtr client)
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = 1;
+- rep.minorVersion = 1;
++ rep.minorVersion = 2;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+@@ -323,6 +323,24 @@ ProcDRI2CopyRegion(ClientPtr client)
+ }
+
+ static int
++ProcDRI2SwapBuffers(ClientPtr client)
++{
++ REQUEST(xDRI2SwapBuffersReq);
++ DrawablePtr pDrawable;
++ int status;
++
++ REQUEST_SIZE_MATCH(xDRI2SwapBuffersReq);
++
++ if (!validDrawable(client, stuff->drawable, &pDrawable, &status))
++ return status;
++
++ if (!DRI2SwapBuffers(pDrawable))
++ return BadAlloc;
++
++ return client->noClientException;
++}
++
++static int
+ ProcDRI2Dispatch (ClientPtr client)
+ {
+ REQUEST(xReq);
+@@ -350,6 +368,8 @@ ProcDRI2Dispatch (ClientPtr client)
+ return ProcDRI2CopyRegion(client);
+ case X_DRI2GetBuffersWithFormat:
+ return ProcDRI2GetBuffersWithFormat(client);
++ case X_DRI2SwapBuffers:
++ return ProcDRI2SwapBuffers(client);
+ default:
+ return BadRequest;
+ }
index 0860847..2c46f1a 100644
--- a/os/log.c
+++ b/os/log.c
-@@ -255,6 +255,32 @@ LogVWrite(int verb, const char *f, va_list args)
+@@ -255,6 +255,33 @@ LogVWrite(int verb, const char *f, va_list args)
static char tmpBuffer[1024];
int len = 0;
+ }
+ sprintf(tmpBuffer, "[%d sec: %06d usec]", diff_sec , diff_usec);
+ len = strlen(tmpBuffer);
-+ fwrite(tmpBuffer, len, 1, logFile);
++ if (logFile)
++ fwrite(tmpBuffer, len, 1, logFile);
+
/*
* Since a va_list can only be processed once, write the string to a
--- /dev/null
+diff --git a/hw/xfree86/os-support/linux/lnx_init.c b/hw/xfree86/os-support/linux/lnx_init.c\r
+index 7f40857..cf58c01 100644\r
+--- a/hw/xfree86/os-support/linux/lnx_init.c\r
++++ b/hw/xfree86/os-support/linux/lnx_init.c\r
+@@ -49,6 +49,7 @@ static Bool KeepTty = FALSE;\r
+ static int VTnum = -1;\r
+ static Bool VTSwitch = TRUE;\r
+ static Bool ShareVTs = FALSE;\r
++Bool NoHwAccess = FALSE;\r
+ static int activeVT = -1;\r
+ \r
+ static int vtPermSave[4];\r
+@@ -80,9 +81,11 @@ saveVtPerms(void)\r
+ static void\r
+ restoreVtPerms(void)\r
+ {\r
+- /* Set the terminal permissions back to before we started. */\r
+- chown("/dev/tty0", vtPermSave[0], vtPermSave[1]);\r
+- chown(vtname, vtPermSave[2], vtPermSave[3]);\r
++ if (geteuid() == 0) {\r
++ /* Set the terminal permissions back to before we started. */\r
++ (void)chown("/dev/tty0", vtPermSave[0], vtPermSave[1]);\r
++ (void)chown(vtname, vtPermSave[2], vtPermSave[3]);\r
++ }\r
+ }\r
+ \r
+ static void *console_handler;\r
+@@ -210,20 +213,22 @@ xf86OpenConsole(void)\r
+ xf86Msg(X_WARNING,\r
+ "xf86OpenConsole: Could not save ownership of VT\n");\r
+ \r
+- /* change ownership of the vt */\r
+- if (chown(vtname, getuid(), getgid()) < 0)\r
+- xf86Msg(X_WARNING,"xf86OpenConsole: chown %s failed: %s\n",\r
+- vtname, strerror(errno));\r
+-\r
+- /*\r
+- * the current VT device we're running on is not "console", we want\r
+- * to grab all consoles too\r
+- *\r
+- * Why is this needed??\r
+- */\r
+- if (chown("/dev/tty0", getuid(), getgid()) < 0)\r
+- xf86Msg(X_WARNING,"xf86OpenConsole: chown /dev/tty0 failed: %s\n",\r
+- strerror(errno));\r
++ if (geteuid() == 0) {\r
++ /* change ownership of the vt */\r
++ if (chown(vtname, getuid(), getgid()) < 0)\r
++ xf86Msg(X_WARNING,"xf86OpenConsole: chown %s failed: %s\n",\r
++ vtname, strerror(errno));\r
++\r
++ /*\r
++ * the current VT device we're running on is not\r
++ * "console", we want to grab all consoles too\r
++ *\r
++ * Why is this needed??\r
++ */\r
++ if (chown("/dev/tty0", getuid(), getgid()) < 0)\r
++ xf86Msg(X_WARNING,"xf86OpenConsole: chown /dev/tty0 failed: %s\n",\r
++ strerror(errno));\r
++ }\r
+ }\r
+ \r
+ /*\r
+@@ -433,6 +438,11 @@ xf86ProcessArgument(int argc, char *argv[], int i)\r
+ ShareVTs = TRUE;\r
+ return(1);\r
+ }\r
++ if (!strcmp(argv[i], "-nohwaccess"))\r
++ {\r
++ NoHwAccess = TRUE;\r
++ return(1);\r
++ }\r
+ if ((argv[i][0] == 'v') && (argv[i][1] == 't'))\r
+ {\r
+ if (sscanf(argv[i], "vt%2d", &VTnum) == 0)\r
+@@ -454,5 +464,6 @@ xf86UseMsg()\r
+ ErrorF("don't detach controlling tty (for debugging only)\n");\r
+ ErrorF("-novtswitch don't immediately switch to new VT\n");\r
+ ErrorF("-sharevts share VTs with another X server\n");\r
++ ErrorF("-nohwaccess don't access hardware ports directly\n");\r
+ return;\r
+ }\r
+diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c\r
+index 688106a..34a845b 100644\r
+--- a/hw/xfree86/os-support/linux/lnx_video.c\r
++++ b/hw/xfree86/os-support/linux/lnx_video.c\r
+@@ -51,6 +51,7 @@\r
+ #define MAP_FAILED ((void *)-1)\r
+ #endif\r
+ \r
++extern Bool NoHwAccess;\r
+ static Bool ExtendedEnabled = FALSE;\r
+ \r
+ #ifdef __ia64__\r
+@@ -509,6 +510,9 @@ xf86EnableIO(void)\r
+ int fd;\r
+ unsigned int ioBase_phys;\r
+ #endif\r
++ /* Fake it... */\r
++ if (NoHwAccess)\r
++ return TRUE;\r
+ \r
+ if (ExtendedEnabled)\r
+ return TRUE;\r
