Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 1062 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/dmx/dmxinit.c b/nx-X11/programs/Xserver/hw/dmx/dmxinit.c
new file mode 100644
index 000000000..ddc4d2b04
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/dmx/dmxinit.c
@@ -0,0 +1,1062 @@
+/* $XFree86$ */
+/*
+ * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * 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 on 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 (including the
+ * next paragraph) 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
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * 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.
+ */
+
+/*
+ * Authors:
+ *   Kevin E. Martin <kem@redhat.com>
+ *   David H. Dawes <dawes@xfree86.org>
+ *   Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+/** \file
+ * Provide expected functions for initialization from the ddx layer and
+ * global variables for the DMX server. */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxinit.h"
+#include "dmxsync.h"
+#include "dmxlog.h"
+#include "dmxinput.h"
+#include "dmxscrinit.h"
+#include "dmxcursor.h"
+#include "dmxfont.h"
+#include "config/dmxconfig.h"
+#include "dmxcb.h"
+#include "dmxprop.h"
+#include "dmxstat.h"
+#ifdef RENDER
+#include "dmxpict.h"
+#endif
+
+#include <X11/Xos.h>                /* For gettimeofday */
+#include "dixstruct.h"
+#include "panoramiXsrv.h"
+
+#include <signal.h>             /* For SIGQUIT */
+
+#ifdef GLXEXT
+#include <GL/glx.h>
+#include <GL/glxint.h>
+#include "dmx_glxvisuals.h"
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+
+extern void GlxSetVisualConfigs(
+    int               nconfigs,
+    __GLXvisualConfig *configs,
+    void              **configprivs
+);
+#endif /* GLXEXT */
+
+extern void SetVendorRelease(int release); /* in dix/main.c */
+extern void SetVendorString(char *string); /* in dix/main.c */
+
+/* Global variables available to all Xserver/hw/dmx routines. */
+int             dmxNumScreens;
+DMXScreenInfo  *dmxScreens;
+
+int             dmxNumInputs;
+DMXInputInfo   *dmxInputs;
+
+int             dmxShadowFB = FALSE;
+
+XErrorEvent     dmxLastErrorEvent;
+Bool            dmxErrorOccurred = FALSE;
+
+char           *dmxFontPath = NULL;
+
+Bool            dmxOffScreenOpt = TRUE;
+
+Bool            dmxSubdividePrimitives = TRUE;
+
+Bool            dmxLazyWindowCreation = TRUE;
+
+Bool            dmxUseXKB = TRUE;
+
+int             dmxDepth = 0;
+
+#ifndef GLXEXT
+static Bool     dmxGLXProxy = FALSE;
+#else
+Bool            dmxGLXProxy = TRUE;
+
+Bool            dmxGLXSwapGroupSupport = TRUE;
+
+Bool            dmxGLXSyncSwap = FALSE;
+
+Bool            dmxGLXFinishSwap = FALSE;
+#endif
+
+Bool            dmxIgnoreBadFontPaths = FALSE;
+
+Bool            dmxAddRemoveScreens = FALSE;
+
+/* dmxErrorHandler catches errors that occur when calling one of the
+ * back-end servers.  Some of this code is based on _XPrintDefaultError
+ * in xc/lib/X11/XlibInt.c */
+static int dmxErrorHandler(Display *dpy, XErrorEvent *ev)
+{
+#define DMX_ERROR_BUF_SIZE 256
+                                /* RATS: these buffers are only used in
+                                 * length-limited calls. */
+    char        buf[DMX_ERROR_BUF_SIZE];
+    char        request[DMX_ERROR_BUF_SIZE];
+    _XExtension *ext = NULL;
+
+    dmxErrorOccurred  = TRUE;
+    dmxLastErrorEvent = *ev;
+
+    XGetErrorText(dpy, ev->error_code, buf, sizeof(buf));
+    dmxLog(dmxWarning, "dmxErrorHandler: %s\n", buf);
+
+                                /* Find major opcode name */
+    if (ev->request_code < 128) {
+        XmuSnprintf(request, sizeof(request), "%d", ev->request_code);
+        XGetErrorDatabaseText(dpy, "XRequest", request, "", buf, sizeof(buf));
+    } else {
+        for (ext = dpy->ext_procs;
+             ext && ext->codes.major_opcode != ev->request_code;
+             ext = ext->next);
+        if (ext) strncpy(buf, ext->name, sizeof(buf));
+        else     buf[0] = '\0';
+    }
+    dmxLog(dmxWarning, "                 Major opcode: %d (%s)\n",
+           ev->request_code, buf);
+
+                                /* Find minor opcode name */
+    if (ev->request_code >= 128 && ext) {
+        XmuSnprintf(request, sizeof(request), "%d", ev->request_code);
+        XmuSnprintf(request, sizeof(request), "%s.%d",
+                    ext->name, ev->minor_code);
+        XGetErrorDatabaseText(dpy, "XRequest", request, "", buf, sizeof(buf));
+        dmxLog(dmxWarning, "                 Minor opcode: %d (%s)\n",
+               ev->minor_code, buf);
+    }
+
+                                /* Provide value information */
+    switch (ev->error_code) {
+    case BadValue:
+        dmxLog(dmxWarning, "                 Value:        0x%x\n",
+               ev->resourceid);
+        break;
+    case BadAtom:
+        dmxLog(dmxWarning, "                 AtomID:       0x%x\n",
+               ev->resourceid);
+        break;
+    default:
+        dmxLog(dmxWarning, "                 ResourceID:   0x%x\n",
+               ev->resourceid);
+        break;
+    }
+
+                                /* Provide serial number information */
+    dmxLog(dmxWarning, "                 Failed serial number:  %d\n",
+           ev->serial);
+    dmxLog(dmxWarning, "                 Current serial number: %d\n",
+           dpy->request);
+    return 0;
+}
+
+#ifdef GLXEXT
+static int dmxNOPErrorHandler(Display *dpy, XErrorEvent *ev)
+{
+    return 0;
+}
+#endif
+
+Bool dmxOpenDisplay(DMXScreenInfo *dmxScreen)
+{
+    if (!(dmxScreen->beDisplay = XOpenDisplay(dmxScreen->name)))
+	return FALSE;
+
+    dmxPropertyDisplay(dmxScreen);
+    return TRUE;
+}
+
+void dmxSetErrorHandler(DMXScreenInfo *dmxScreen)
+{
+    XSetErrorHandler(dmxErrorHandler);
+}
+
+static void dmxPrintScreenInfo(DMXScreenInfo *dmxScreen)
+{
+    XWindowAttributes attribs;
+    int               ndepths = 0, *depths = NULL;
+    int               i;
+    Display           *dpy   = dmxScreen->beDisplay;
+    Screen            *s     = DefaultScreenOfDisplay(dpy);
+    int               scr    = DefaultScreen(dpy);
+
+    XGetWindowAttributes(dpy, DefaultRootWindow(dpy), &attribs);
+    if (!(depths = XListDepths(dpy, scr, &ndepths))) ndepths = 0;
+    
+    dmxLogOutput(dmxScreen, "Name of display: %s\n", DisplayString(dpy));
+    dmxLogOutput(dmxScreen, "Version number:  %d.%d\n",
+                 ProtocolVersion(dpy), ProtocolRevision(dpy));
+    dmxLogOutput(dmxScreen, "Vendor string:   %s\n", ServerVendor(dpy));
+    if (!strstr(ServerVendor(dpy), "XFree86")) {
+        dmxLogOutput(dmxScreen, "Vendor release:  %d\n", VendorRelease(dpy));
+    } else {
+                                /* This code based on xdpyinfo.c */
+    	int v = VendorRelease(dpy);
+        int major = -1, minor = -1, patch = -1, subpatch = -1;
+
+        if (v < 336)
+            major = v / 100, minor = (v / 10) % 10, patch = v % 10;
+        else if (v < 3900) {
+            major = v / 1000;
+            minor = (v / 100) % 10;
+            if (((v / 10) % 10) || (v % 10)) {
+                patch = (v / 10) % 10;
+                if (v % 10) subpatch = v % 10;
+            }
+        } else if (v < 40000000) {
+            major = v / 1000;
+            minor = (v / 10) % 10;
+            if (v % 10) patch = v % 10;
+	} else {
+            major = v / 10000000;
+            minor = (v / 100000) % 100;
+            patch = (v / 1000) % 100;
+            if (v % 1000) subpatch = v % 1000;
+	}
+        dmxLogOutput(dmxScreen, "Vendor release:  %d (XFree86 version: %d.%d",
+                     v, major, minor);
+        if (patch > 0)    dmxLogOutputCont(dmxScreen, ".%d", patch);
+        if (subpatch > 0) dmxLogOutputCont(dmxScreen, ".%d", subpatch);
+        dmxLogOutputCont(dmxScreen, ")\n");
+    }
+
+    
+    dmxLogOutput(dmxScreen, "Dimensions:      %dx%d pixels\n", 
+                 attribs.width, attribs.height);
+    dmxLogOutput(dmxScreen, "%d depths on screen %d: ", ndepths, scr);
+    for (i = 0; i < ndepths; i++)
+        dmxLogOutputCont(dmxScreen, "%c%d", i ? ',' : ' ', depths[i]);
+    dmxLogOutputCont(dmxScreen, "\n");
+    dmxLogOutput(dmxScreen, "Depth of root window:  %d plane%s (%d)\n",
+                 attribs.depth, attribs.depth == 1 ? "" : "s",
+                 DisplayPlanes(dpy, scr));
+    dmxLogOutput(dmxScreen, "Number of colormaps:   %d min, %d max\n",
+                 MinCmapsOfScreen(s), MaxCmapsOfScreen(s));
+    dmxLogOutput(dmxScreen, "Options: backing-store %s, save-unders %s\n",
+                 (DoesBackingStore (s) == NotUseful) ? "no" :
+                 ((DoesBackingStore (s) == Always) ? "yes" : "when mapped"),
+                 DoesSaveUnders (s) ? "yes" : "no");
+    dmxLogOutput(dmxScreen, "Window Manager running: %s\n",
+		 (dmxScreen->WMRunningOnBE) ? "yes" : "no");
+
+    if (dmxScreen->WMRunningOnBE) {
+	dmxLogOutputWarning(dmxScreen,
+			    "Window manager running "
+			    "-- colormaps not supported\n");
+    }
+    XFree(depths);
+}
+
+void dmxGetScreenAttribs(DMXScreenInfo *dmxScreen)
+{
+    XWindowAttributes attribs;
+    Display           *dpy   = dmxScreen->beDisplay;
+#ifdef GLXEXT
+    int               dummy;
+#endif
+
+    XGetWindowAttributes(dpy, DefaultRootWindow(dpy), &attribs);
+
+    dmxScreen->beWidth  = attribs.width;
+    dmxScreen->beHeight = attribs.height;
+    
+                                /* Fill in missing geometry information */
+    if (dmxScreen->scrnXSign < 0) {
+        if (dmxScreen->scrnWidth) {
+            dmxScreen->scrnX   = (attribs.width - dmxScreen->scrnWidth
+				  - dmxScreen->scrnX);
+        } else {
+            dmxScreen->scrnWidth  = attribs.width - dmxScreen->scrnX;
+            dmxScreen->scrnX   = 0;
+        }
+    }
+    if (dmxScreen->scrnYSign < 0) {
+        if (dmxScreen->scrnHeight) {
+            dmxScreen->scrnY   = (attribs.height - dmxScreen->scrnHeight
+				  - dmxScreen->scrnY);
+        } else {
+            dmxScreen->scrnHeight = attribs.height - dmxScreen->scrnY;
+            dmxScreen->scrnY   = 0;
+        }
+    }
+    if (!dmxScreen->scrnWidth)
+        dmxScreen->scrnWidth  = attribs.width  - dmxScreen->scrnX;
+    if (!dmxScreen->scrnHeight)
+        dmxScreen->scrnHeight = attribs.height - dmxScreen->scrnY;
+
+    if (!dmxScreen->rootWidth)  dmxScreen->rootWidth  = dmxScreen->scrnWidth;
+    if (!dmxScreen->rootHeight) dmxScreen->rootHeight = dmxScreen->scrnHeight;
+    if (dmxScreen->rootWidth + dmxScreen->rootX > dmxScreen->scrnWidth)
+        dmxScreen->rootWidth = dmxScreen->scrnWidth - dmxScreen->rootX;
+    if (dmxScreen->rootHeight + dmxScreen->rootY > dmxScreen->scrnHeight)
+        dmxScreen->rootHeight = dmxScreen->scrnHeight - dmxScreen->rootY;
+
+    /* FIXME: Get these from the back-end server */
+    dmxScreen->beXDPI = 75;
+    dmxScreen->beYDPI = 75;
+
+    dmxScreen->beDepth  = attribs.depth; /* FIXME: verify that this
+					  * works always.  In
+					  * particular, this will work
+					  * well for depth=16, will fail
+					  * because of colormap issues
+					  * at depth 8.  More work needs
+					  * to be done here. */
+
+    if (dmxScreen->beDepth <= 8)       dmxScreen->beBPP = 8;
+    else if (dmxScreen->beDepth <= 16) dmxScreen->beBPP = 16;
+    else                               dmxScreen->beBPP = 32;
+
+#ifdef GLXEXT
+    /* get the majorOpcode for the back-end GLX extension */
+    XQueryExtension(dpy, "GLX", &dmxScreen->glxMajorOpcode,
+		    &dummy, &dmxScreen->glxErrorBase);
+#endif
+
+    dmxPrintScreenInfo(dmxScreen);
+    dmxLogOutput(dmxScreen, "%dx%d+%d+%d on %dx%d at depth=%d, bpp=%d\n",
+                 dmxScreen->scrnWidth, dmxScreen->scrnHeight,
+                 dmxScreen->scrnX, dmxScreen->scrnY,
+                 dmxScreen->beWidth, dmxScreen->beHeight,
+                 dmxScreen->beDepth, dmxScreen->beBPP);
+    if (dmxScreen->beDepth == 8)
+        dmxLogOutputWarning(dmxScreen,
+                            "Support for depth == 8 is not complete\n");
+}
+
+Bool dmxGetVisualInfo(DMXScreenInfo *dmxScreen)
+{
+    int i;
+    XVisualInfo visinfo;
+
+    visinfo.screen = DefaultScreen(dmxScreen->beDisplay);
+    dmxScreen->beVisuals = XGetVisualInfo(dmxScreen->beDisplay,
+					  VisualScreenMask,
+					  &visinfo,
+					  &dmxScreen->beNumVisuals);
+
+    dmxScreen->beDefVisualIndex = -1;
+
+    if (defaultColorVisualClass >= 0 || dmxDepth > 0) {
+	for (i = 0; i < dmxScreen->beNumVisuals; i++)
+	    if (defaultColorVisualClass >= 0) {
+		if (dmxScreen->beVisuals[i].class == defaultColorVisualClass) {
+		    if (dmxDepth > 0) {
+			if (dmxScreen->beVisuals[i].depth == dmxDepth) {
+			    dmxScreen->beDefVisualIndex = i;
+			    break;
+			}
+		    } else {
+			dmxScreen->beDefVisualIndex = i;
+			break;
+		    }
+		}
+	    } else if (dmxScreen->beVisuals[i].depth == dmxDepth) {
+		dmxScreen->beDefVisualIndex = i;
+		break;
+	    }
+    } else {
+	visinfo.visualid =
+	    XVisualIDFromVisual(DefaultVisual(dmxScreen->beDisplay,
+					      visinfo.screen));
+
+	for (i = 0; i < dmxScreen->beNumVisuals; i++)
+	    if (visinfo.visualid == dmxScreen->beVisuals[i].visualid) {
+		dmxScreen->beDefVisualIndex = i;
+		break;
+	    }
+    }
+
+    for (i = 0; i < dmxScreen->beNumVisuals; i++)
+        dmxLogVisual(dmxScreen, &dmxScreen->beVisuals[i],
+                     (i == dmxScreen->beDefVisualIndex));
+
+    return (dmxScreen->beDefVisualIndex >= 0);
+}
+
+void dmxGetColormaps(DMXScreenInfo *dmxScreen)
+{
+    int i;
+
+    dmxScreen->beNumDefColormaps = dmxScreen->beNumVisuals;
+    dmxScreen->beDefColormaps = xalloc(dmxScreen->beNumDefColormaps *
+				       sizeof(*dmxScreen->beDefColormaps));
+
+    for (i = 0; i < dmxScreen->beNumDefColormaps; i++)
+	dmxScreen->beDefColormaps[i] =
+	    XCreateColormap(dmxScreen->beDisplay,
+			    DefaultRootWindow(dmxScreen->beDisplay),
+			    dmxScreen->beVisuals[i].visual,
+			    AllocNone);
+
+    dmxScreen->beBlackPixel = BlackPixel(dmxScreen->beDisplay,
+					 DefaultScreen(dmxScreen->beDisplay));
+    dmxScreen->beWhitePixel = WhitePixel(dmxScreen->beDisplay,
+					 DefaultScreen(dmxScreen->beDisplay));
+}
+
+void dmxGetPixmapFormats(DMXScreenInfo *dmxScreen)
+{
+    dmxScreen->beDepths =
+	XListDepths(dmxScreen->beDisplay, DefaultScreen(dmxScreen->beDisplay),
+		    &dmxScreen->beNumDepths);
+
+    dmxScreen->bePixmapFormats =
+	XListPixmapFormats(dmxScreen->beDisplay,
+			   &dmxScreen->beNumPixmapFormats);
+}
+
+static Bool dmxSetPixmapFormats(ScreenInfo *pScreenInfo,
+				DMXScreenInfo *dmxScreen)
+{
+    XPixmapFormatValues *bePixmapFormat;
+    PixmapFormatRec     *format;
+    int                  i, j;
+
+    pScreenInfo->imageByteOrder = ImageByteOrder(dmxScreen->beDisplay);
+    pScreenInfo->bitmapScanlineUnit = BitmapUnit(dmxScreen->beDisplay);
+    pScreenInfo->bitmapScanlinePad = BitmapPad(dmxScreen->beDisplay);
+    pScreenInfo->bitmapBitOrder = BitmapBitOrder(dmxScreen->beDisplay);
+
+    pScreenInfo->numPixmapFormats = 0;
+    for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) {
+	bePixmapFormat = &dmxScreen->bePixmapFormats[i];
+	for (j = 0; j < dmxScreen->beNumDepths; j++)
+	    if ((bePixmapFormat->depth == 1) ||
+		(bePixmapFormat->depth == dmxScreen->beDepths[j])) {
+		format = &pScreenInfo->formats[pScreenInfo->numPixmapFormats];
+
+		format->depth        = bePixmapFormat->depth;
+		format->bitsPerPixel = bePixmapFormat->bits_per_pixel;
+		format->scanlinePad  = bePixmapFormat->scanline_pad;
+
+		pScreenInfo->numPixmapFormats++;
+		break;
+	    }
+    }
+
+    return TRUE;
+}
+
+void dmxCheckForWM(DMXScreenInfo *dmxScreen)
+{
+    Status status;
+    XWindowAttributes xwa;
+
+    status = XGetWindowAttributes(dmxScreen->beDisplay,
+				  DefaultRootWindow(dmxScreen->beDisplay),
+				  &xwa);
+    dmxScreen->WMRunningOnBE =
+	(status &&
+	 ((xwa.all_event_masks & SubstructureRedirectMask) ||
+	  (xwa.all_event_masks & SubstructureNotifyMask)));
+}
+
+/** Initialize the display and collect relevant information about the
+ *  display properties */
+static void dmxDisplayInit(DMXScreenInfo *dmxScreen)
+{
+    if (!dmxOpenDisplay(dmxScreen))
+	dmxLog(dmxFatal,
+               "dmxOpenDisplay: Unable to open display %s\n",
+               dmxScreen->name);
+
+    dmxSetErrorHandler(dmxScreen);
+    dmxCheckForWM(dmxScreen);
+    dmxGetScreenAttribs(dmxScreen);
+
+    if (!dmxGetVisualInfo(dmxScreen))
+	dmxLog(dmxFatal, "dmxGetVisualInfo: No matching visuals found\n");
+
+    dmxGetColormaps(dmxScreen);
+    dmxGetPixmapFormats(dmxScreen);
+}
+
+/* If this doesn't compile, just add || defined(yoursystem) to the line
+ * below.  This information is to help with bug reports and is not
+ * critical. */
+#if !defined(_POSIX_SOURCE) && !defined(__sgi)
+static const char *dmxExecOS(void) { return ""; }
+#else
+#include <sys/utsname.h>
+static const char *dmxExecOS(void)
+{
+    static char buffer[128];
+    static int  initialized = 0;
+    struct utsname u;
+
+    if (!initialized++) {
+        memset(buffer, 0, sizeof(buffer));
+        uname(&u);
+        XmuSnprintf(buffer, sizeof(buffer)-1, "%s %s %s",
+                    u.sysname, u.release, u.version);
+    }
+    return buffer;
+}
+#endif
+
+static const char *dmxBuildCompiler(void)
+{
+    static char buffer[128];
+    static int  initialized = 0;
+
+    if (!initialized++) {
+        memset(buffer, 0, sizeof(buffer));
+#if defined(__GNUC__) && defined(__GNUC_MINOR__) &&defined(__GNUC_PATCHLEVEL__)
+        XmuSnprintf(buffer, sizeof(buffer)-1, "gcc %d.%d.%d",
+                    __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
+#elif defined(__sgi) && defined(_COMPILER_VERSION) && !defined(__GNUC__)
+        {
+            int a = _COMPILER_VERSION / 100;
+            int b = (_COMPILER_VERSION - a * 100) / 10;
+            int c = _COMPILER_VERSION - a * 100 - b * 10;
+            XmuSnprintf(buffer, sizeof(buffer)-1, "SGI MIPSpro %d.%d.%d",
+                        a, b, c);
+        }
+#endif
+    }
+    return buffer;
+}
+
+static const char *dmxExecHost(void)
+{
+    static char buffer[128];
+    static int  initialized = 0;
+
+    if (!initialized++) {
+        memset(buffer, 0, sizeof(buffer));
+        XmuGetHostname(buffer, sizeof(buffer) - 1);
+    }
+    return buffer;
+}
+
+/** This routine is called in Xserver/dix/main.c from \a main(). */
+void InitOutput(ScreenInfo *pScreenInfo, int argc, char *argv[])
+{
+    int                  i;
+    static unsigned long dmxGeneration = 0;
+#ifdef GLXEXT
+    Bool                 glxSupported  = TRUE;
+#endif
+
+    if (dmxGeneration != serverGeneration) {
+	int vendrel = VENDOR_RELEASE;
+        int major, minor, year, month, day;
+        
+        dmxGeneration = serverGeneration;
+
+        major    = vendrel / 100000000;
+        vendrel -= major   * 100000000;
+        minor    = vendrel /   1000000;
+        vendrel -= minor   *   1000000;
+        year     = vendrel /     10000;
+        vendrel -= year    *     10000;
+        month    = vendrel /       100;
+        vendrel -= month   *       100;
+        day      = vendrel;
+
+                                /* Add other epoch tests here */
+        if (major > 0 && minor > 0) year += 2000;
+
+        dmxLog(dmxInfo, "Generation:         %d\n", dmxGeneration);
+        dmxLog(dmxInfo, "DMX version:        %d.%d.%02d%02d%02d (%s)\n",
+               major, minor, year, month, day, VENDOR_STRING);
+
+        SetVendorRelease(VENDOR_RELEASE);
+        SetVendorString(VENDOR_STRING);
+
+        if (dmxGeneration == 1) {
+            dmxLog(dmxInfo, "DMX Build OS:       %s (%s)\n", OSNAME, OSVENDOR);
+            dmxLog(dmxInfo, "DMX Build Compiler: %s\n", dmxBuildCompiler());
+            dmxLog(dmxInfo, "DMX Execution OS:   %s\n", dmxExecOS());
+            dmxLog(dmxInfo, "DMX Execution Host: %s\n", dmxExecHost());
+        }
+        dmxLog(dmxInfo, "MAXSCREENS:         %d\n", MAXSCREENS);
+
+        for (i = 0; i < dmxNumScreens; i++) {
+            if (dmxScreens[i].beDisplay)
+                dmxLog(dmxWarning, "Display \"%s\" still open\n",
+                       dmxScreens[i].name);
+            dmxStatFree(dmxScreens[i].stat);
+            dmxScreens[i].stat = NULL;
+        }
+        for (i = 0; i < dmxNumInputs; i++) dmxInputFree(&dmxInputs[i]);
+        if (dmxScreens) free(dmxScreens);
+        if (dmxInputs)  free(dmxInputs);
+        dmxScreens    = NULL;
+        dmxInputs     = NULL;
+        dmxNumScreens = 0;
+        dmxNumInputs  = 0;
+    }
+
+    /* Make sure that the command-line arguments are sane. */
+    if (dmxAddRemoveScreens && (!noRenderExtension || dmxGLXProxy)) {
+	/* Currently it is not possible to support GLX and Render
+	 * extensions with dynamic screen addition/removal due to the
+	 * state that each extension keeps, which cannot be restored. */
+        dmxLog(dmxWarning,
+	       "GLX Proxy and Render extensions do not yet support dynamic\n");
+        dmxLog(dmxWarning,
+	       "screen addition and removal.  Please specify -noglxproxy\n");
+        dmxLog(dmxWarning,
+	       "and -norender on the command line or in the configuration\n");
+        dmxLog(dmxWarning,
+	       "file to disable these two extensions if you wish to use\n");
+        dmxLog(dmxWarning,
+	       "the dynamic addition and removal of screens support.\n");
+        dmxLog(dmxFatal,
+	       "Dynamic screen addition/removal error (see above).\n");
+    }
+
+    /* ddxProcessArgument has been called at this point, but any data
+     * from the configuration file has not been applied.  Do so, and be
+     * sure we have at least one back-end display. */
+    dmxConfigConfigure();
+    if (!dmxNumScreens)
+        dmxLog(dmxFatal, "InitOutput: no back-end displays found\n");
+    if (!dmxNumInputs)
+        dmxLog(dmxInfo, "InitOutput: no inputs found\n");
+    
+    /* Disable lazy window creation optimization if offscreen
+     * optimization is disabled */
+    if (!dmxOffScreenOpt && dmxLazyWindowCreation) {
+        dmxLog(dmxInfo,
+	       "InitOutput: Disabling lazy window creation optimization\n");
+        dmxLog(dmxInfo,
+	       "            since it requires the offscreen optimization\n");
+        dmxLog(dmxInfo,
+	       "            to function properly.\n");
+	dmxLazyWindowCreation = FALSE;
+    }
+
+    /* Open each display and gather information about it. */
+    for (i = 0; i < dmxNumScreens; i++)
+        dmxDisplayInit(&dmxScreens[i]);
+
+#if PANORAMIX
+    /* Register a Xinerama callback which will run from within
+     * PanoramiXCreateConnectionBlock.  We can use the callback to
+     * determine if Xinerama is loaded and to check the visuals
+     * determined by PanoramiXConsolidate. */
+    XineramaRegisterConnectionBlockCallback(dmxConnectionBlockCallback);
+#endif
+
+    /* Since we only have a single screen thus far, we only need to set
+       the pixmap formats to match that screen.  FIXME: this isn't true.*/
+    if (!dmxSetPixmapFormats(pScreenInfo, &dmxScreens[0])) return;
+
+    /* Might want to install a signal handler to allow cleaning up after
+     * unexpected signals.  The DIX/OS layer already handles SIGINT and
+     * SIGTERM, so everything is OK for expected signals. --DD
+     *
+     * SIGHUP, SIGINT, and SIGTERM are trapped in os/connection.c
+     * SIGQUIT is another common signal that is sent from the keyboard.
+     * Trap it here, to ensure that the keyboard modifier map and other
+     * state for the input devices are restored. (This makes the
+     * behavior of SIGQUIT somewhat unexpected, since it will be the
+     * same as the behavior of SIGINT.  However, leaving the modifier
+     * map of the input devices empty is even more unexpected.) --RF
+     */
+    OsSignal(SIGQUIT, GiveUp);
+
+#ifdef GLXEXT
+    /* Check if GLX extension exists on all back-end servers */
+    for (i = 0; i < dmxNumScreens; i++)
+	glxSupported &= (dmxScreens[i].glxMajorOpcode > 0);
+#endif
+
+    /* Tell dix layer about the backend displays */
+    for (i = 0; i < dmxNumScreens; i++) {
+
+#ifdef GLXEXT
+	if (glxSupported) {
+	    /*
+	     * Builds GLX configurations from the list of visuals
+	     * supported by the back-end server, and give that
+	     * configuration list to the glx layer - so that he will
+	     * build the visuals accordingly.
+	     */
+
+	    DMXScreenInfo       *dmxScreen    = &dmxScreens[i];
+	    __GLXvisualConfig   *configs      = NULL;
+	    dmxGlxVisualPrivate **configprivs = NULL;
+	    int                 nconfigs      = 0;
+	    int                 (*oldErrorHandler)(Display *, XErrorEvent *);
+	    int                 i;
+
+	    /* Catch errors if when using an older GLX w/o FBconfigs */
+	    oldErrorHandler = XSetErrorHandler(dmxNOPErrorHandler);
+
+	    /* Get FBConfigs of the back-end server */
+	    dmxScreen->fbconfigs = GetGLXFBConfigs(dmxScreen->beDisplay,
+						   dmxScreen->glxMajorOpcode,
+						   &dmxScreen->numFBConfigs);
+
+	    XSetErrorHandler(oldErrorHandler);
+
+	    dmxScreen->glxVisuals = 
+		GetGLXVisualConfigs(dmxScreen->beDisplay,
+				    DefaultScreen(dmxScreen->beDisplay),
+				    &dmxScreen->numGlxVisuals);
+
+	    if (dmxScreen->fbconfigs) {
+		configs =
+		    GetGLXVisualConfigsFromFBConfigs(dmxScreen->fbconfigs,
+						     dmxScreen->numFBConfigs,
+						     dmxScreen->beVisuals,
+						     dmxScreen->beNumVisuals,
+						     dmxScreen->glxVisuals,
+						     dmxScreen->numGlxVisuals,
+						     &nconfigs);
+	    } else {
+		configs = dmxScreen->glxVisuals;
+		nconfigs = dmxScreen->numGlxVisuals;
+	    }
+
+	    configprivs = xalloc(dmxScreen->beNumVisuals *
+				 sizeof(dmxGlxVisualPrivate*));
+
+	    if (configs != NULL && configprivs != NULL) {
+
+		/* Initialize our private info for each visual
+		 * (currently only x_visual_depth and x_visual_class)
+		 */
+		for (i = 0; i < nconfigs; i++) {
+
+		    configprivs[i] = (dmxGlxVisualPrivate *)
+			xalloc(sizeof(dmxGlxVisualPrivate));
+		    configprivs[i]->x_visual_depth = 0;
+		    configprivs[i]->x_visual_class = 0;
+
+		    /* Find the visual depth */
+		    if (configs[i].vid > 0) {
+			int  j;
+			for (j = 0; j < dmxScreen->beNumVisuals; j++) {
+			    if (dmxScreen->beVisuals[j].visualid ==
+				configs[i].vid) {
+				configprivs[i]->x_visual_depth =
+				    dmxScreen->beVisuals[j].depth;
+				configprivs[i]->x_visual_class =
+				    dmxScreen->beVisuals[j].class;
+				break;
+			    }
+			}
+		    }
+		}
+
+		/* Hand out the glx configs to glx extension */
+		GlxSetVisualConfigs(nconfigs, configs, (void**)configprivs);
+	    }
+	}
+#endif  /* GLXEXT */
+
+	AddScreen(dmxScreenInit, argc, argv);
+    }
+
+    /* Compute origin information. */
+    dmxInitOrigins();
+
+    /* Compute overlap information. */
+    dmxInitOverlap();
+
+    /* Make sure there is a global width/height available */
+    dmxComputeWidthHeight(DMX_NO_RECOMPUTE_BOUNDING_BOX);
+
+    /* FIXME: The following is temporarily placed here.  When the DMX
+     * extension is available, it will be move there.
+     */
+    dmxInitFonts();
+
+#ifdef RENDER
+    /* Initialize the render extension */
+    if (!noRenderExtension)
+	dmxInitRender();
+#endif
+
+    /* Initialized things that need timer hooks */
+    dmxStatInit();
+    dmxSyncInit();              /* Calls RegisterBlockAndWakeupHandlers */
+
+    dmxLog(dmxInfo, "Shadow framebuffer support %s\n",
+	   dmxShadowFB ? "enabled" : "disabled");
+}
+
+/* RATS: Assuming the fp string (which comes from the command-line argv
+         vector) is NULL-terminated, the buffer is large enough for the
+         strcpy. */ 
+static void dmxSetDefaultFontPath(char *fp)
+{
+    int fplen = strlen(fp) + 1;
+    
+    if (dmxFontPath) {
+	int len;
+
+	len = strlen(dmxFontPath);
+	dmxFontPath = xrealloc(dmxFontPath, len+fplen+1);
+	dmxFontPath[len] = ',';
+	strncpy(&dmxFontPath[len+1], fp, fplen);
+    } else {
+	dmxFontPath = xalloc(fplen);
+	strncpy(dmxFontPath, fp, fplen);
+    }
+
+    defaultFontPath = dmxFontPath;
+}
+
+/** This function is called in Xserver/os/utils.c from \a AbortServer().
+ * We must ensure that backend and console state is restored in the
+ * event the server shutdown wasn't clean. */
+void AbortDDX(void)
+{
+    int i;
+
+    for (i=0; i < dmxNumScreens; i++) {
+        DMXScreenInfo *dmxScreen = &dmxScreens[i];
+        
+        if (dmxScreen->beDisplay) XCloseDisplay(dmxScreen->beDisplay);
+        dmxScreen->beDisplay = NULL;
+    }
+}
+
+/** This function is called in Xserver/dix/main.c from \a main() when
+ * dispatchException & DE_TERMINATE (which is the only way to exit the
+ * main loop without an interruption. */
+void ddxGiveUp(void)
+{
+    AbortDDX();
+}
+
+/** This function is called in Xserver/os/osinit.c from \a OsInit(). */
+void OsVendorInit(void)
+{
+}
+
+/** This function is called in Xserver/os/utils.c from \a FatalError()
+ * and \a VFatalError().  (Note that setting the function pointer \a
+ * OsVendorVErrorFProc will cause \a VErrorF() (which is called by the
+ * two routines mentioned here, as well as by others) to use the
+ * referenced routine instead of \a vfprintf().) */
+void OsVendorFatalError(void)
+{
+}
+
+/** This funciton is called by InitGlobals from Xserver/os/utils.c to
+ * initialize any ddx specific globals at a very early point in the
+ * server startup. */
+void ddxInitGlobals(void)
+{
+}
+
+/** Process our command line arguments. */
+int ddxProcessArgument(int argc, char *argv[], int i)
+{
+    int retval = 0;
+    
+    if (!strcmp(argv[i], "-display")) {
+	if (++i < argc) dmxConfigStoreDisplay(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-inputfrom") || !strcmp(argv[i], "-input")) {
+	if (++i < argc) dmxConfigStoreInput(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-xinputfrom") || !strcmp(argv[i],"-xinput")) {
+        if (++i < argc) dmxConfigStoreXInput(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-noshadowfb")) {
+        dmxLog(dmxWarning,
+               "-noshadowfb has been deprecated "
+	       "since it is now the default\n");
+	dmxShadowFB = FALSE;
+	retval = 1;
+    } else if (!strcmp(argv[i], "-nomulticursor")) {
+        dmxCursorNoMulti();
+	retval = 1;
+    } else if (!strcmp(argv[i], "-shadowfb")) {
+	dmxShadowFB = TRUE;
+	retval = 1;
+    } else if (!strcmp(argv[i], "-configfile")) {
+        if (++i < argc) dmxConfigStoreFile(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-config")) {
+        if (++i < argc) dmxConfigStoreConfig(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-fontpath")) {
+        if (++i < argc) dmxSetDefaultFontPath(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-stat")) {
+        if ((i += 2) < argc) dmxStatActivate(argv[i-1], argv[i]);
+        retval = 3;
+    } else if (!strcmp(argv[i], "-syncbatch")) {
+        if (++i < argc) dmxSyncActivate(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-nooffscreenopt")) {
+	dmxOffScreenOpt = FALSE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-nosubdivprims")) {
+	dmxSubdividePrimitives = FALSE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-nowindowopt")) {
+	dmxLazyWindowCreation = FALSE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-noxkb")) {
+	dmxUseXKB = FALSE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-depth")) {
+        if (++i < argc) dmxDepth = atoi(argv[i]);
+        retval = 2;
+    } else if (!strcmp(argv[i], "-norender")) {
+	noRenderExtension = TRUE;
+        retval = 1;
+#ifdef GLXEXT
+    } else if (!strcmp(argv[i], "-noglxproxy")) {
+	dmxGLXProxy = FALSE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-noglxswapgroup")) {
+	dmxGLXSwapGroupSupport = FALSE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-glxsyncswap")) {
+	dmxGLXSyncSwap = TRUE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-glxfinishswap")) {
+	dmxGLXFinishSwap = TRUE;
+        retval = 1;
+#endif
+    } else if (!strcmp(argv[i], "-ignorebadfontpaths")) {
+	dmxIgnoreBadFontPaths = TRUE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-addremovescreens")) {
+	dmxAddRemoveScreens = TRUE;
+        retval = 1;
+    } else if (!strcmp(argv[i], "-param")) {
+        if ((i += 2) < argc) {
+            if (!strcasecmp(argv[i-1], "xkbrules"))
+                dmxConfigSetXkbRules(argv[i]);
+            else if (!strcasecmp(argv[i-1], "xkbmodel"))
+                dmxConfigSetXkbModel(argv[i]);
+            else if (!strcasecmp(argv[i-1], "xkblayout"))
+                dmxConfigSetXkbLayout(argv[i]);
+            else if (!strcasecmp(argv[i-1], "xkbvariant"))
+                dmxConfigSetXkbVariant(argv[i]);
+            else if (!strcasecmp(argv[i-1], "xkboptions"))
+                dmxConfigSetXkbOptions(argv[i]);
+            else
+                dmxLog(dmxWarning,
+                       "-param requires: XkbRules, XkbModel, XkbLayout,"
+                       " XkbVariant, or XkbOptions\n");
+        }
+        retval = 3;
+    }
+    if (!serverGeneration) dmxConfigSetMaxScreens();
+    return retval;
+}
+
+/** Provide succinct usage information for the DMX server. */
+void ddxUseMsg(void)
+{
+    ErrorF("\n\nDevice Dependent Usage:\n");
+    ErrorF("-display string      Specify the back-end display(s)\n");
+    ErrorF("-input string        Specify input source for core device\n");
+    ErrorF("-xinput string       Specify input source for XInput device\n");
+    ErrorF("-shadowfb            Enable shadow frame buffer\n");
+    ErrorF("-configfile file     Read from a configuration file\n");
+    ErrorF("-config config       Select a specific configuration\n");
+    ErrorF("-nomulticursor       Turn of multiple cursor support\n");
+    ErrorF("-fontpath            Sets the default font path\n");
+    ErrorF("-stat inter scrns    Print out performance statistics\n");
+    ErrorF("-syncbatch inter     Set interval for XSync batching\n");
+    ErrorF("-nooffscreenopt      Disable offscreen optimization\n");
+    ErrorF("-nosubdivprims       Disable primitive subdivision\n");
+    ErrorF("                     optimization\n");
+    ErrorF("-nowindowopt         Disable lazy window creation optimization\n");
+    ErrorF("-noxkb               Disable use of the XKB extension with\n");
+    ErrorF("                     backend displays (cf. -kb).\n");
+    ErrorF("-depth               Specify the default root window depth\n");
+    ErrorF("-norender            Disable RENDER extension support\n");
+#ifdef GLXEXT
+    ErrorF("-noglxproxy          Disable GLX Proxy\n");
+    ErrorF("-noglxswapgroup      Disable swap group and swap barrier\n");
+    ErrorF("                     extensions in GLX proxy\n");
+    ErrorF("-glxsyncswap         Force XSync after swap buffers\n");
+    ErrorF("-glxfinishswap       Force glFinish after swap buffers\n");
+#endif
+    ErrorF("-ignorebadfontpaths  Ignore bad font paths during initialization\n");
+    ErrorF("-addremovescreens    Enable dynamic screen addition/removal\n");
+    ErrorF("-param ...           Specify configuration parameters (e.g.,\n");
+    ErrorF("                     XkbRules, XkbModel, XkbLayout, etc.)\n");
+    ErrorF("\n");
+    ErrorF("    If the -input string matches a -display string, then input\n"
+           "    is taken from that backend display.  (XInput cannot be taken\n"
+           "    from a backend display.)  Placing \",console\" after the\n"
+           "    display name will force a console window to be opened on\n"
+           "    that display in addition to the backend input.  This is\n"
+           "    useful if the backend window does not cover the whole\n"
+           "    physical display.\n\n");
+    
+    ErrorF("    Otherwise, if the -input or -xinput string specifies another\n"
+           "    X display, then a console window will be created on that\n"
+           "    display.  Placing \",windows\" or \",nowindows\" after the\n"
+           "    display name will control the display of window outlines in\n"
+           "    the console.\n\n");
+    
+    ErrorF("    -input or -xinput dummy specifies no input.\n");
+    ErrorF("    -input or -xinput local specifies the use of a raw keyboard,\n"
+           "    mouse, or other (extension) device:\n"
+           "        -input local,kbd,ps2 will use a ps2 mouse\n"
+           "        -input local,kbd,ms  will use a serial mouse\n"
+           "        -input local,usb-kbd,usb-mou will use USB devices \n"
+           "        -xinput local,usb-oth will use a non-mouse and\n"
+           "                non-keyboard USB device with XInput\n\n");
+    
+    ErrorF("    Special Keys:\n");
+    ErrorF("        Ctrl-Alt-g    Server grab/ungrab (console only)\n");
+    ErrorF("        Ctrl-Alt-f    Fine (1-pixel) mouse mode (console only)\n");
+    ErrorF("        Ctrl-Alt-q    Quit (core devices only)\n");
+    ErrorF("        Ctrl-Alt-F*   Switch to VC (local only)\n");
+}
+
+#ifdef DDXTIME
+/** Return wall-clock time in milliseconds. */
+CARD32 GetTimeInMillis(void)
+{
+    struct timeval  tp;
+
+    gettimeofday(&tp, 0);
+    return tp.tv_sec * 1000 + tp.tv_usec / 1000;
+}
+#endif