xserver git update 15/5/2010

1 files changed, 1283 insertions, 1283 deletions

diff --git a/xorg-server/hw/kdrive/src/kdrive.c b/xorg-server/hw/kdrive/src/kdrive.c
index 765bd0ea7..d1f00fc69 100644
--- a/xorg-server/hw/kdrive/src/kdrive.c
+++ b/xorg-server/hw/kdrive/src/kdrive.c
@@ -1,1283 +1,1283 @@
-/*
- * Copyright © 1999 Keith Packard
- *
- * 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Keith Packard makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-#include "kdrive.h"
-#include <mivalidate.h>
-#include <dixstruct.h>
-#include "privates.h"
-#ifdef RANDR
-#include <randrstr.h>
-#endif
-
-#ifdef XV
-#include "kxv.h"
-#endif
-
-#ifdef DPMSExtension
-#include "dpmsproc.h"
-#endif
-
-#ifdef HAVE_EXECINFO_H
-#include <execinfo.h>
-#endif
-
-#include <signal.h>
-
-typedef struct _kdDepths {
-    CARD8   depth;
-    CARD8   bpp;
-} KdDepths;
-
-KdDepths    kdDepths[] = {
-    { 1, 1 },
-    { 4, 4 },
-    { 8, 8 },
-    { 15, 16 },
-    { 16, 16 },
-    { 24, 32 },
-    { 32, 32 }
-};
-
-#define NUM_KD_DEPTHS (sizeof (kdDepths) / sizeof (kdDepths[0]))
-
-#define KD_DEFAULT_BUTTONS 5
-
-static int          kdScreenPrivateKeyIndex;
-DevPrivateKey       kdScreenPrivateKey = &kdScreenPrivateKeyIndex;
-unsigned long	    kdGeneration;
-
-Bool                kdVideoTest;
-unsigned long       kdVideoTestTime;
-Bool		    kdEmulateMiddleButton;
-Bool		    kdRawPointerCoordinates;
-Bool		    kdDisableZaphod;
-Bool                kdAllowZap;
-Bool		    kdEnabled;
-int		    kdSubpixelOrder;
-int		    kdVirtualTerminal = -1;
-Bool		    kdSwitchPending;
-char		    *kdSwitchCmd;
-DDXPointRec	    kdOrigin;
-Bool		    kdHasPointer = FALSE;
-Bool		    kdHasKbd = FALSE;
-
-static Bool         kdCaughtSignal = FALSE;
-
-/*
- * Carry arguments from InitOutput through driver initialization
- * to KdScreenInit
- */
-
-KdOsFuncs	*kdOsFuncs;
-
-void
-KdSetRootClip (ScreenPtr pScreen, BOOL enable)
-{
-    WindowPtr	pWin = WindowTable[pScreen->myNum];
-    WindowPtr	pChild;
-    Bool	WasViewable;
-    Bool	anyMarked = FALSE;
-    WindowPtr   pLayerWin;
-    BoxRec	box;
-
-    if (!pWin)
-	return;
-    WasViewable = (Bool)(pWin->viewable);
-    if (WasViewable)
-    {
-	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
-	{
-	    (void) (*pScreen->MarkOverlappedWindows)(pChild,
-						     pChild,
-						     &pLayerWin);
-	}
-	(*pScreen->MarkWindow) (pWin);
-	anyMarked = TRUE;
-	if (pWin->valdata)
-	{
-	    if (HasBorder (pWin))
-	    {
-		RegionPtr	borderVisible;
-
-		borderVisible = REGION_CREATE(pScreen, NullBox, 1);
-		REGION_SUBTRACT(pScreen, borderVisible,
-				&pWin->borderClip, &pWin->winSize);
-		pWin->valdata->before.borderVisible = borderVisible;
-	    }
-	    pWin->valdata->before.resized = TRUE;
-	}
-    }
-
-    if (enable)
-    {
-	box.x1 = 0;
-	box.y1 = 0;
-	box.x2 = pScreen->width;
-	box.y2 = pScreen->height;
-	pWin->drawable.width = pScreen->width;
-	pWin->drawable.height = pScreen->height;
-	REGION_INIT (pScreen, &pWin->winSize, &box, 1);
-	REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
-	REGION_RESET(pScreen, &pWin->borderClip, &box);
-	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
-    }
-    else
-    {
-	REGION_EMPTY(pScreen, &pWin->borderClip);
-	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
-    }
-
-    ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
-
-    if (WasViewable)
-    {
-	if (pWin->firstChild)
-	{
-	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
-							   pWin->firstChild,
-							   (WindowPtr *)NULL);
-	}
-	else
-	{
-	    (*pScreen->MarkWindow) (pWin);
-	    anyMarked = TRUE;
-	}
-
-
-	if (anyMarked)
-	    (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
-    }
-
-    if (WasViewable)
-    {
-	if (anyMarked)
-	    (*pScreen->HandleExposures)(pWin);
-	if (anyMarked && pScreen->PostValidateTree)
-	    (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
-    }
-    if (pWin->realized)
-	WindowsRestructured ();
-}
-
-void
-KdDisableScreen (ScreenPtr pScreen)
-{
-    KdScreenPriv(pScreen);
-
-    if (!pScreenPriv->enabled)
-	return;
-    if (!pScreenPriv->closed)
-	KdSetRootClip (pScreen, FALSE);
-    KdDisableColormap (pScreen);
-    if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->disableAccel)
-	(*pScreenPriv->card->cfuncs->disableAccel) (pScreen);
-    if (!pScreenPriv->screen->softCursor && pScreenPriv->card->cfuncs->disableCursor)
-	(*pScreenPriv->card->cfuncs->disableCursor) (pScreen);
-    if (pScreenPriv->card->cfuncs->dpms)
-	(*pScreenPriv->card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL);
-    pScreenPriv->enabled = FALSE;
-    if(pScreenPriv->card->cfuncs->disable)
-        (*pScreenPriv->card->cfuncs->disable) (pScreen);
-}
-
-static void
-KdDoSwitchCmd (char *reason)
-{
-    if (kdSwitchCmd)
-    {
-	char    *command = xalloc (strlen (kdSwitchCmd) +
-				   1 +
-				   strlen (reason) +
-				   1);
-	if (!command)
-	    return;
-	strcpy (command, kdSwitchCmd);
-	strcat (command, " ");
-	strcat (command, reason);
-	system (command);
-	xfree (command);
-    }
-}
-
-void
-KdSuspend (void)
-{
-    KdCardInfo	    *card;
-    KdScreenInfo    *screen;
-
-    if (kdEnabled)
-    {
-	for (card = kdCardInfo; card; card = card->next)
-	{
-	    for (screen = card->screenList; screen; screen = screen->next)
-		if (screen->mynum == card->selected && screen->pScreen)
-		    KdDisableScreen (screen->pScreen);
-	    if (card->driver && card->cfuncs->restore)
-		(*card->cfuncs->restore) (card);
-	}
-	KdDisableInput ();
-	KdDoSwitchCmd ("suspend");
-    }
-}
-
-void
-KdDisableScreens (void)
-{
-    KdSuspend ();
-    if (kdEnabled)
-    {
-        if (kdOsFuncs->Disable)
-            (*kdOsFuncs->Disable) ();
-	kdEnabled = FALSE;
-    }
-}
-
-Bool
-KdEnableScreen (ScreenPtr pScreen)
-{
-    KdScreenPriv (pScreen);
-
-    if (pScreenPriv->enabled)
-	return TRUE;
-    if(pScreenPriv->card->cfuncs->enable)
-	if (!(*pScreenPriv->card->cfuncs->enable) (pScreen))
-	    return FALSE;
-    pScreenPriv->enabled = TRUE;
-    pScreenPriv->dpmsState = KD_DPMS_NORMAL;
-    pScreenPriv->card->selected = pScreenPriv->screen->mynum;
-    if (!pScreenPriv->screen->softCursor && pScreenPriv->card->cfuncs->enableCursor)
-	(*pScreenPriv->card->cfuncs->enableCursor) (pScreen);
-    if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->enableAccel)
-	(*pScreenPriv->card->cfuncs->enableAccel) (pScreen);
-    KdEnableColormap (pScreen);
-    KdSetRootClip (pScreen, TRUE);
-    if (pScreenPriv->card->cfuncs->dpms)
-	(*pScreenPriv->card->cfuncs->dpms) (pScreen, pScreenPriv->dpmsState);
-    return TRUE;
-}
-
-void
-KdResume (void)
-{
-    KdCardInfo	    *card;
-    KdScreenInfo    *screen;
-
-    if (kdEnabled)
-    {
-	KdDoSwitchCmd ("resume");
-	for (card = kdCardInfo; card; card = card->next)
-	{
-	    if(card->cfuncs->preserve)
-		(*card->cfuncs->preserve) (card);
-	    for (screen = card->screenList; screen; screen = screen->next)
-		if (screen->mynum == card->selected && screen->pScreen)
-		    KdEnableScreen (screen->pScreen);
-	}
-	KdEnableInput ();
-	KdReleaseAllKeys ();
-    }
-}
-
-void
-KdEnableScreens (void)
-{
-    if (!kdEnabled)
-    {
-	kdEnabled = TRUE;
-        if (kdOsFuncs->Enable)
-            (*kdOsFuncs->Enable) ();
-    }
-    KdResume ();
-}
-
-void
-KdProcessSwitch (void)
-{
-    if (kdEnabled)
-	KdDisableScreens ();
-    else
-	KdEnableScreens ();
-}
-
-void
-AbortDDX(void)
-{
-    KdDisableScreens ();
-    if (kdOsFuncs)
-    {
-	if (kdEnabled && kdOsFuncs->Disable)
-	    (*kdOsFuncs->Disable) ();
-        if (kdOsFuncs->Fini)
-            (*kdOsFuncs->Fini) ();
-	KdDoSwitchCmd ("stop");
-    }
-
-    if (kdCaughtSignal)
-        OsAbort();
-}
-
-void
-ddxGiveUp (void)
-{
-    AbortDDX ();
-}
-
-Bool	kdDumbDriver;
-Bool	kdSoftCursor;
-
-char *
-KdParseFindNext (char *cur, char *delim, char *save, char *last)
-{
-    while (*cur && !strchr (delim, *cur))
-    {
-	*save++ = *cur++;
-    }
-    *save = 0;
-    *last = *cur;
-    if (*cur)
-	cur++;
-    return cur;
-}
-
-Rotation
-KdAddRotation (Rotation a, Rotation b)
-{
-    Rotation	rotate = (a & RR_Rotate_All) * (b & RR_Rotate_All);
-    Rotation	reflect = (a & RR_Reflect_All) ^ (b & RR_Reflect_All);
-
-    if (rotate > RR_Rotate_270)
-	rotate /= (RR_Rotate_270 * RR_Rotate_90);
-    return reflect | rotate;
-}
-
-Rotation
-KdSubRotation (Rotation a, Rotation b)
-{
-    Rotation	rotate = (a & RR_Rotate_All) * 16 / (b & RR_Rotate_All);
-    Rotation	reflect = (a & RR_Reflect_All) ^ (b & RR_Reflect_All);
-
-    if (rotate > RR_Rotate_270)
-	rotate /= (RR_Rotate_270 * RR_Rotate_90);
-    return reflect | rotate;
-}
-
-void
-KdParseScreen (KdScreenInfo *screen,
-	       char	    *arg)
-{
-    char    delim;
-    char    save[1024];
-    int	    i;
-    int	    pixels, mm;
-
-    screen->dumb = kdDumbDriver;
-    screen->softCursor = kdSoftCursor;
-    screen->origin = kdOrigin;
-    screen->randr = RR_Rotate_0;
-    screen->width = 0;
-    screen->height = 0;
-    screen->width_mm = 0;
-    screen->height_mm = 0;
-    screen->subpixel_order = kdSubpixelOrder;
-    screen->rate = 0;
-    screen->fb.depth = 0;
-    if (!arg)
-	return;
-    if (strlen (arg) >= sizeof (save))
-	return;
-
-    for (i = 0; i < 2; i++)
-    {
-	arg = KdParseFindNext (arg, "x/@XY", save, &delim);
-	if (!save[0])
-	    return;
-
-	pixels = atoi(save);
-	mm = 0;
-
-	if (delim == '/')
-	{
-	    arg = KdParseFindNext (arg, "x@XY", save, &delim);
-	    if (!save[0])
-		return;
-	    mm = atoi(save);
-	}
-
-	if (i == 0)
-	{
-	    screen->width = pixels;
-	    screen->width_mm = mm;
-	}
-	else
-	{
-	    screen->height = pixels;
-	    screen->height_mm = mm;
-	}
-	if (delim != 'x' && delim != '@' && delim != 'X' && delim != 'Y')
-	    return;
-    }
-
-    kdOrigin.x += screen->width;
-    kdOrigin.y = 0;
-    kdDumbDriver = FALSE;
-    kdSoftCursor = FALSE;
-    kdSubpixelOrder = SubPixelUnknown;
-
-    if (delim == '@')
-    {
-	arg = KdParseFindNext (arg, "xXY", save, &delim);
-	if (save[0])
-	{
-	    int	    rotate = atoi (save);
-	    if (rotate < 45)
-		screen->randr = RR_Rotate_0;
-	    else if (rotate < 135)
-		screen->randr = RR_Rotate_90;
-	    else if (rotate < 225)
-		screen->randr = RR_Rotate_180;
-	    else if (rotate < 315)
-		screen->randr = RR_Rotate_270;
-	    else
-		screen->randr = RR_Rotate_0;
-	}
-    }
-    if (delim == 'X')
-    {
-	arg = KdParseFindNext (arg, "xY", save, &delim);
-	screen->randr |= RR_Reflect_X;
-    }
-
-    if (delim == 'Y')
-    {
-	arg = KdParseFindNext (arg, "xY", save, &delim);
-	screen->randr |= RR_Reflect_Y;
-    }
-
-    arg = KdParseFindNext (arg, "x/,", save, &delim);
-    if (save[0])
-    {
-	screen->fb.depth = atoi(save);
-	if (delim == '/')
-	{
-	    arg = KdParseFindNext (arg, "x,", save, &delim);
-	    if (save[0])
-		screen->fb.bitsPerPixel = atoi (save);
-	}
-	else
-	    screen->fb.bitsPerPixel = 0;
-    }
-
-    if (delim == 'x')
-    {
-	arg = KdParseFindNext (arg, "x", save, &delim);
-	if (save[0])
-	    screen->rate = atoi(save);
-    }
-}
-
-/*
- * Mouse argument syntax:
- *
- *  device,protocol,options...
- *
- *  Options are any of:
- *	1-5	    n button mouse
- *	2button	    emulate middle button
- *	{NMO}	    Reorder buttons
- */
-
-void
-KdParseRgba (char *rgba)
-{
-    if (!strcmp (rgba, "rgb"))
-	kdSubpixelOrder = SubPixelHorizontalRGB;
-    else if (!strcmp (rgba, "bgr"))
-	kdSubpixelOrder = SubPixelHorizontalBGR;
-    else if (!strcmp (rgba, "vrgb"))
-	kdSubpixelOrder = SubPixelVerticalRGB;
-    else if (!strcmp (rgba, "vbgr"))
-	kdSubpixelOrder = SubPixelVerticalBGR;
-    else if (!strcmp (rgba, "none"))
-	kdSubpixelOrder = SubPixelNone;
-    else
-	kdSubpixelOrder = SubPixelUnknown;
-}
-
-void
-KdUseMsg (void)
-{
-    ErrorF("\nTinyX Device Dependent Usage:\n");
-    ErrorF("-screen WIDTH[/WIDTHMM]xHEIGHT[/HEIGHTMM][@ROTATION][X][Y][xDEPTH/BPP[xFREQ]]  Specify screen characteristics\n");
-    ErrorF("-rgba rgb/bgr/vrgb/vbgr/none   Specify subpixel ordering for LCD panels\n");
-    ErrorF("-mouse driver [,n,,options]    Specify the pointer driver and its options (n is the number of buttons)\n");
-    ErrorF("-keybd driver [,,options]      Specify the keyboard driver and its options\n");
-    ErrorF("-zaphod          Disable cursor screen switching\n");
-    ErrorF("-2button         Emulate 3 button mouse\n");
-    ErrorF("-3button         Disable 3 button mouse emulation\n");
-    ErrorF("-rawcoord        Don't transform pointer coordinates on rotation\n");
-    ErrorF("-dumb            Disable hardware acceleration\n");
-    ErrorF("-softCursor      Force software cursor\n");
-    ErrorF("-videoTest       Start the server, pause momentarily and exit\n");
-    ErrorF("-origin X,Y      Locates the next screen in the the virtual screen (Xinerama)\n");
-    ErrorF("-switchCmd       Command to execute on vt switch\n");
-    ErrorF("-zap             Terminate server on Ctrl+Alt+Backspace\n");
-    ErrorF("vtxx             Use virtual terminal xx instead of the next available\n");
-}
-
-int
-KdProcessArgument (int argc, char **argv, int i)
-{
-    KdCardInfo	    *card;
-    KdScreenInfo    *screen;
-
-    if (!strcmp (argv[i], "-screen"))
-    {
-	if ((i+1) < argc)
-	{
-	    card = KdCardInfoLast ();
-	    if (!card)
-	    {
-		InitCard (0);
-		card = KdCardInfoLast ();
-	    }
-	    if (card) {
-		screen = KdScreenInfoAdd (card);
-		KdParseScreen (screen, argv[i+1]);
-	    } else
-		ErrorF("No matching card found!\n");
-	}
-	else
-	    UseMsg ();
-	return 2;
-    }
-    if (!strcmp (argv[i], "-zaphod"))
-    {
-	kdDisableZaphod = TRUE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-zap"))
-    {
-	kdAllowZap = TRUE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-3button"))
-    {
-	kdEmulateMiddleButton = FALSE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-2button"))
-    {
-	kdEmulateMiddleButton = TRUE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-rawcoord"))
-    {
-	kdRawPointerCoordinates = 1;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-dumb"))
-    {
-	kdDumbDriver = TRUE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-softCursor"))
-    {
-	kdSoftCursor = TRUE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-videoTest"))
-    {
-	kdVideoTest = TRUE;
-	return 1;
-    }
-    if (!strcmp (argv[i], "-origin"))
-    {
-	if ((i+1) < argc)
-	{
-	    char    *x = argv[i+1];
-	    char    *y = strchr (x, ',');
-	    if (x)
-		kdOrigin.x = atoi (x);
-	    else
-		kdOrigin.x = 0;
-	    if (y)
-		kdOrigin.y = atoi(y+1);
-	    else
-		kdOrigin.y = 0;
-	}
-	else
-	    UseMsg ();
-	return 2;
-    }
-    if (!strcmp (argv[i], "-rgba"))
-    {
-	if ((i+1) < argc)
-	    KdParseRgba (argv[i+1]);
-	else
-	    UseMsg ();
-	return 2;
-    }
-    if (!strcmp (argv[i], "-switchCmd"))
-    {
-	if ((i+1) < argc)
-	    kdSwitchCmd = argv[i+1];
-	else
-	    UseMsg ();
-	return 2;
-    }
-    if (!strncmp (argv[i], "vt", 2) &&
-	sscanf (argv[i], "vt%2d", &kdVirtualTerminal) == 1)
-    {
-	return 1;
-    }
-    if (!strcmp (argv[i], "-mouse") ||
-        !strcmp (argv[i], "-pointer")) {
-        if (i + 1 >= argc)
-            UseMsg();
-        KdAddConfigPointer(argv[i + 1]);
-	kdHasPointer = TRUE;
-        return 2;
-    }
-    if (!strcmp (argv[i], "-keybd")) {
-        if (i + 1 >= argc)
-            UseMsg();
-        KdAddConfigKeyboard(argv[i + 1]);
-	kdHasKbd = TRUE;
-        return 2;
-    }
-
-    return 0;
-}
-
-/*
- * These are getting tossed in here until I can think of where
- * they really belong
- */
-
-void
-KdOsInit (KdOsFuncs *pOsFuncs)
-{
-    kdOsFuncs = pOsFuncs;
-    if (pOsFuncs)
-    {
-	if (serverGeneration == 1)
-	{
-	    KdDoSwitchCmd ("start");
-            if (pOsFuncs->Init)
-                (*pOsFuncs->Init) ();
-	}
-    }
-}
-
-Bool
-KdAllocatePrivates (ScreenPtr pScreen)
-{
-    KdPrivScreenPtr	pScreenPriv;
-
-    if (kdGeneration != serverGeneration)
-	kdGeneration = serverGeneration;
-
-    pScreenPriv = xcalloc(1, sizeof (*pScreenPriv));
-    if (!pScreenPriv)
-	return FALSE;
-    KdSetScreenPriv (pScreen, pScreenPriv);
-    return TRUE;
-}
-
-Bool
-KdCreateScreenResources (ScreenPtr pScreen)
-{
-    KdScreenPriv(pScreen);
-    KdCardInfo	    *card = pScreenPriv->card;
-    Bool ret;
-
-    pScreen->CreateScreenResources = pScreenPriv->CreateScreenResources;
-    if(pScreen->CreateScreenResources)
-	ret = (*pScreen->CreateScreenResources) (pScreen);
-    else
-	ret= -1;
-    pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources;
-    pScreen->CreateScreenResources = KdCreateScreenResources;
-    if (ret && card->cfuncs->createRes)
-	ret = (*card->cfuncs->createRes) (pScreen);
-    return ret;
-}
-
-Bool
-KdCloseScreen (int index, ScreenPtr pScreen)
-{
-    KdScreenPriv(pScreen);
-    KdScreenInfo    *screen = pScreenPriv->screen;
-    KdCardInfo	    *card = pScreenPriv->card;
-    Bool	    ret;
-
-    pScreenPriv->closed = TRUE;
-    pScreen->CloseScreen = pScreenPriv->CloseScreen;
-    if(pScreen->CloseScreen)
-        ret = (*pScreen->CloseScreen) (index, pScreen);
-    else
-	ret = TRUE;
-
-    if (pScreenPriv->dpmsState != KD_DPMS_NORMAL)
-	(*card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL);
-
-    if (screen->mynum == card->selected)
-	KdDisableScreen (pScreen);
-
-    /*
-     * Restore video hardware when last screen is closed
-     */
-    if (screen == card->screenList)
-    {
-	if (kdEnabled && card->cfuncs->restore)
-	    (*card->cfuncs->restore) (card);
-    }
-
-    if (!pScreenPriv->screen->dumb && card->cfuncs->finiAccel)
-	(*card->cfuncs->finiAccel) (pScreen);
-
-    if (!pScreenPriv->screen->softCursor && card->cfuncs->finiCursor)
-	(*card->cfuncs->finiCursor) (pScreen);
-
-    if(card->cfuncs->scrfini)
-        (*card->cfuncs->scrfini) (screen);
-
-    /*
-     * Clean up card when last screen is closed, DIX closes them in
-     * reverse order, thus we check for when the first in the list is closed
-     */
-    if (screen == card->screenList)
-    {
-	if(card->cfuncs->cardfini)
-	    (*card->cfuncs->cardfini) (card);
-	/*
-	 * Clean up OS when last card is closed
-	 */
-	if (card == kdCardInfo)
-	{
-	    if (kdEnabled)
-	    {
-		kdEnabled = FALSE;
-		if(kdOsFuncs->Disable)
-		    (*kdOsFuncs->Disable) ();
-	    }
-	}
-    }
-
-    pScreenPriv->screen->pScreen = 0;
-
-    xfree ((pointer) pScreenPriv);
-    return ret;
-}
-
-Bool
-KdSaveScreen (ScreenPtr pScreen, int on)
-{
-    KdScreenPriv(pScreen);
-    int	    dpmsState;
-
-    if (!pScreenPriv->card->cfuncs->dpms)
-	return FALSE;
-
-    dpmsState = pScreenPriv->dpmsState;
-    switch (on) {
-    case SCREEN_SAVER_OFF:
-	dpmsState = KD_DPMS_NORMAL;
-	break;
-    case SCREEN_SAVER_ON:
-	if (dpmsState == KD_DPMS_NORMAL)
-	    dpmsState = KD_DPMS_NORMAL+1;
-	break;
-    case SCREEN_SAVER_CYCLE:
-	if (dpmsState < KD_DPMS_MAX)
-	    dpmsState++;
-	break;
-    case SCREEN_SAVER_FORCER:
-	break;
-    }
-    if (dpmsState != pScreenPriv->dpmsState)
-    {
-	if (pScreenPriv->enabled)
-	    (*pScreenPriv->card->cfuncs->dpms) (pScreen, dpmsState);
-	pScreenPriv->dpmsState = dpmsState;
-    }
-    return TRUE;
-}
-
-static Bool
-KdCreateWindow (WindowPtr pWin)
-{
-#ifndef PHOENIX
-    if (!pWin->parent)
-    {
-	KdScreenPriv(pWin->drawable.pScreen);
-
-	if (!pScreenPriv->enabled)
-	{
-	    REGION_EMPTY (pWin->drawable.pScreen, &pWin->borderClip);
-	    REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
-	}
-    }
-#endif
-    return fbCreateWindow (pWin);
-}
-
-void
-KdSetSubpixelOrder (ScreenPtr pScreen, Rotation randr)
-{
-    KdScreenPriv(pScreen);
-    KdScreenInfo	*screen = pScreenPriv->screen;
-    int			subpixel_order = screen->subpixel_order;
-    Rotation		subpixel_dir;
-    int			i;
-
-    static struct {
-	int	    subpixel_order;
-	Rotation    direction;
-    } orders[] = {
-	{ SubPixelHorizontalRGB, 	RR_Rotate_0 },
-	{ SubPixelHorizontalBGR,	RR_Rotate_180 },
-	{ SubPixelVerticalRGB,		RR_Rotate_270 },
-	{ SubPixelVerticalBGR,		RR_Rotate_90 },
-    };
-
-    static struct {
-	int	bit;
-	int	normal;
-	int	reflect;
-    } reflects[] = {
-	{ RR_Reflect_X, SubPixelHorizontalRGB,	SubPixelHorizontalBGR },
-	{ RR_Reflect_X, SubPixelHorizontalBGR,	SubPixelHorizontalRGB },
-	{ RR_Reflect_Y, SubPixelVerticalRGB,	SubPixelVerticalBGR },
-	{ RR_Reflect_Y, SubPixelVerticalRGB,	SubPixelVerticalRGB },
-    };
-
-    /* map subpixel to direction */
-    for (i = 0; i < 4; i++)
-	if (orders[i].subpixel_order == subpixel_order)
-	    break;
-    if (i < 4)
-    {
-	subpixel_dir = KdAddRotation (randr & RR_Rotate_All, orders[i].direction);
-
-	/* map back to subpixel order */
-	for (i = 0; i < 4; i++)
-	    if (orders[i].direction & subpixel_dir)
-	    {
-		subpixel_order = orders[i].subpixel_order;
-		break;
-	    }
-	/* reflect */
-	for (i = 0; i < 4; i++)
-	    if ((randr & reflects[i].bit) &&
-		reflects[i].normal == subpixel_order)
-	    {
-		subpixel_order = reflects[i].reflect;
-		break;
-	    }
-    }
-    PictureSetSubpixelOrder (pScreen, subpixel_order);
-}
-
-/* Pass through AddScreen, which doesn't take any closure */
-static KdScreenInfo *kdCurrentScreen;
-
-Bool
-KdScreenInit(int index, ScreenPtr pScreen, int argc, char **argv)
-{
-    KdScreenInfo	*screen = kdCurrentScreen;
-    KdCardInfo		*card = screen->card;
-    KdPrivScreenPtr	pScreenPriv;
-    /*
-     * note that screen->fb is set up for the nominal orientation
-     * of the screen; that means if randr is rotated, the values
-     * there should reflect a rotated frame buffer (or shadow).
-     */
-    Bool		rotated = (screen->randr & (RR_Rotate_90|RR_Rotate_270)) != 0;
-    int			width, height, *width_mmp, *height_mmp;
-
-    KdAllocatePrivates (pScreen);
-
-    pScreenPriv = KdGetScreenPriv(pScreen);
-
-    if (!rotated)
-    {
-	width = screen->width;
-	height = screen->height;
-	width_mmp = &screen->width_mm;
-	height_mmp = &screen->height_mm;
-    }
-    else
-    {
-	width = screen->height;
-	height = screen->width;
-	width_mmp = &screen->height_mm;
-	height_mmp = &screen->width_mm;
-    }
-    screen->pScreen = pScreen;
-    pScreenPriv->screen = screen;
-    pScreenPriv->card = card;
-    pScreenPriv->bytesPerPixel = screen->fb.bitsPerPixel >> 3;
-    pScreenPriv->dpmsState = KD_DPMS_NORMAL;
-#ifdef PANORAMIX
-    dixScreenOrigins[pScreen->myNum] = screen->origin;
-#endif
-
-    if (!monitorResolution)
-	monitorResolution = 75;
-    /*
-     * This is done in this order so that backing store wraps
-     * our GC functions; fbFinishScreenInit initializes MI
-     * backing store
-     */
-    if (!fbSetupScreen (pScreen,
-			screen->fb.frameBuffer,
-			width, height,
-			monitorResolution, monitorResolution,
-			screen->fb.pixelStride,
-			screen->fb.bitsPerPixel))
-    {
-	return FALSE;
-    }
-
-    /*
-     * Set colormap functions
-     */
-    pScreen->InstallColormap	= KdInstallColormap;
-    pScreen->UninstallColormap	= KdUninstallColormap;
-    pScreen->ListInstalledColormaps = KdListInstalledColormaps;
-    pScreen->StoreColors	= KdStoreColors;
-
-    pScreen->SaveScreen		= KdSaveScreen;
-    pScreen->CreateWindow	= KdCreateWindow;
-
-    if (!fbFinishScreenInit (pScreen,
-			     screen->fb.frameBuffer,
-			     width, height,
-			     monitorResolution, monitorResolution,
-			     screen->fb.pixelStride,
-			     screen->fb.bitsPerPixel))
-    {
-	return FALSE;
-    }
-
-    /*
-     * Fix screen sizes; for some reason mi takes dpi instead of mm.
-     * Rounding errors are annoying
-     */
-    if (*width_mmp)
-	pScreen->mmWidth = *width_mmp;
-    else
-	*width_mmp = pScreen->mmWidth;
-    if (*height_mmp)
-	pScreen->mmHeight = *height_mmp;
-    else
-	*height_mmp = pScreen->mmHeight;
-
-    /*
-     * Plug in our own block/wakeup handlers.
-     * miScreenInit installs NoopDDA in both places
-     */
-    pScreen->BlockHandler	= KdBlockHandler;
-    pScreen->WakeupHandler	= KdWakeupHandler;
-
-    if (!fbPictureInit (pScreen, 0, 0))
-	return FALSE;
-    if (card->cfuncs->initScreen)
-	if (!(*card->cfuncs->initScreen) (pScreen))
-	    return FALSE;
-
-    if (!screen->dumb && card->cfuncs->initAccel)
-	if (!(*card->cfuncs->initAccel) (pScreen))
-	    screen->dumb = TRUE;
-
-    if (card->cfuncs->finishInitScreen)
-	if (!(*card->cfuncs->finishInitScreen) (pScreen))
-	    return FALSE;
-
-#if 0
-    fbInitValidateTree (pScreen);
-#endif
-
-#if 0
-    pScreen->backingStoreSupport = Always;
-    miInitializeBackingStore (pScreen);
-#endif
-
-
-    /*
-     * Wrap CloseScreen, the order now is:
-     *	KdCloseScreen
-     *	miBSCloseScreen
-     *	fbCloseScreen
-     */
-    pScreenPriv->CloseScreen = pScreen->CloseScreen;
-    pScreen->CloseScreen = KdCloseScreen;
-
-    pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources;
-    pScreen->CreateScreenResources = KdCreateScreenResources;
-
-    if (screen->softCursor ||
-	!card->cfuncs->initCursor ||
-	!(*card->cfuncs->initCursor) (pScreen))
-    {
-	/* Use MI for cursor display and event queueing. */
-	screen->softCursor = TRUE;
-	miDCInitialize(pScreen, &kdPointerScreenFuncs);
-    }
-
-
-    if (!fbCreateDefColormap (pScreen))
-    {
-	return FALSE;
-    }
-
-    KdSetSubpixelOrder (pScreen, screen->randr);
-
-    /*
-     * Enable the hardware
-     */
-    if (!kdEnabled)
-    {
-	kdEnabled = TRUE;
-	if(kdOsFuncs->Enable)
-	    (*kdOsFuncs->Enable) ();
-    }
-
-    if (screen->mynum == card->selected)
-    {
-	if(card->cfuncs->preserve)
-	    (*card->cfuncs->preserve) (card);
-	if(card->cfuncs->enable)
-	    if (!(*card->cfuncs->enable) (pScreen))
-		return FALSE;
-	pScreenPriv->enabled = TRUE;
-	if (!screen->softCursor && card->cfuncs->enableCursor)
-	    (*card->cfuncs->enableCursor) (pScreen);
-	KdEnableColormap (pScreen);
-	if (!screen->dumb && card->cfuncs->enableAccel)
-	    (*card->cfuncs->enableAccel) (pScreen);
-    }
-
-    return TRUE;
-}
-
-void
-KdInitScreen (ScreenInfo    *pScreenInfo,
-	      KdScreenInfo  *screen,
-	      int	    argc,
-	      char	    **argv)
-{
-    KdCardInfo	*card = screen->card;
-
-    (*card->cfuncs->scrinit) (screen);
-
-    if (!card->cfuncs->initAccel)
-	screen->dumb = TRUE;
-    if (!card->cfuncs->initCursor)
-	screen->softCursor = TRUE;
-}
-
-static Bool
-KdSetPixmapFormats (ScreenInfo	*pScreenInfo)
-{
-    CARD8	    depthToBpp[33];	/* depth -> bpp map */
-    KdCardInfo	    *card;
-    KdScreenInfo    *screen;
-    int		    i;
-    int		    bpp;
-    PixmapFormatRec *format;
-
-    for (i = 1; i <= 32; i++)
-	depthToBpp[i] = 0;
-
-    /*
-     * Generate mappings between bitsPerPixel and depth,
-     * also ensure that all screens comply with protocol
-     * restrictions on equivalent formats for the same
-     * depth on different screens
-     */
-    for (card = kdCardInfo; card; card = card->next)
-    {
-	for (screen = card->screenList; screen; screen = screen->next)
-	{
-	    bpp = screen->fb.bitsPerPixel;
-	    if (bpp == 24)
-		bpp = 32;
-	    if (!depthToBpp[screen->fb.depth])
-		depthToBpp[screen->fb.depth] = bpp;
-	    else if (depthToBpp[screen->fb.depth] != bpp)
-		return FALSE;
-	}
-    }
-
-    /*
-     * Fill in additional formats
-     */
-    for (i = 0; i < NUM_KD_DEPTHS; i++)
-	if (!depthToBpp[kdDepths[i].depth])
-	    depthToBpp[kdDepths[i].depth] = kdDepths[i].bpp;
-
-    pScreenInfo->imageByteOrder     = IMAGE_BYTE_ORDER;
-    pScreenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
-    pScreenInfo->bitmapScanlinePad  = BITMAP_SCANLINE_PAD;
-    pScreenInfo->bitmapBitOrder     = BITMAP_BIT_ORDER;
-
-    pScreenInfo->numPixmapFormats = 0;
-
-    for (i = 1; i <= 32; i++)
-    {
-	if (depthToBpp[i])
-	{
-	    format = &pScreenInfo->formats[pScreenInfo->numPixmapFormats++];
-	    format->depth = i;
-	    format->bitsPerPixel = depthToBpp[i];
-	    format->scanlinePad = BITMAP_SCANLINE_PAD;
-	}
-    }
-
-    return TRUE;
-}
-
-static void
-KdAddScreen (ScreenInfo	    *pScreenInfo,
-	     KdScreenInfo   *screen,
-	     int	    argc,
-	     char	    **argv)
-{
-    int	    i;
-    /*
-     * Fill in fb visual type masks for this screen
-     */
-    for (i = 0; i < pScreenInfo->numPixmapFormats; i++)
-    {
-	unsigned long	visuals;
-	Pixel		rm, gm, bm;
-
-	visuals = 0;
-	rm = gm = bm = 0;
-	if (pScreenInfo->formats[i].depth == screen->fb.depth)
-	{
-	    visuals = screen->fb.visuals;
-	    rm = screen->fb.redMask;
-	    gm = screen->fb.greenMask;
-	    bm = screen->fb.blueMask;
-	}
-	fbSetVisualTypesAndMasks (pScreenInfo->formats[i].depth,
-				  visuals,
-				  8,
-				  rm, gm, bm);
-    }
-
-    kdCurrentScreen = screen;
-
-    AddScreen (KdScreenInit, argc, argv);
-}
-
-#if 0 /* This function is not used currently */
-
-int
-KdDepthToFb (ScreenPtr	pScreen, int depth)
-{
-    KdScreenPriv(pScreen);
-
-    for (fb = 0; fb <= KD_MAX_FB && pScreenPriv->screen->fb.frameBuffer; fb++)
-	if (pScreenPriv->screen->fb.depth == depth)
-	    return fb;
-}
-
-#endif
-
-static int
-KdSignalWrapper (int signum)
-{
-    kdCaughtSignal = TRUE;
-    return 1; /* use generic OS layer cleanup & abort */
-}
-
-void
-KdInitOutput (ScreenInfo    *pScreenInfo,
-	      int	    argc,
-	      char	    **argv)
-{
-    KdCardInfo	    *card;
-    KdScreenInfo    *screen;
-
-    if (!kdCardInfo)
-    {
-	InitCard (0);
-	if (!(card = KdCardInfoLast ()))
-	    FatalError("No matching cards found!\n");
-	screen = KdScreenInfoAdd (card);
-	KdParseScreen (screen, 0);
-    }
-    /*
-     * Initialize all of the screens for all of the cards
-     */
-    for (card = kdCardInfo; card; card = card->next)
-    {
-	int ret=1;
-	if(card->cfuncs->cardinit)
-		ret=(*card->cfuncs->cardinit) (card);
-	if (ret)
-	{
-	    for (screen = card->screenList; screen; screen = screen->next)
-		KdInitScreen (pScreenInfo, screen, argc, argv);
-	}
-    }
-
-    /*
-     * Merge the various pixmap formats together, this can fail
-     * when two screens share depth but not bitsPerPixel
-     */
-    if (!KdSetPixmapFormats (pScreenInfo))
-	return;
-
-    /*
-     * Add all of the screens
-     */
-    for (card = kdCardInfo; card; card = card->next)
-	for (screen = card->screenList; screen; screen = screen->next)
-	    KdAddScreen (pScreenInfo, screen, argc, argv);
-
-    OsRegisterSigWrapper(KdSignalWrapper);
-}
-
-void
-OsVendorFatalError(void)
-{
-}
-
-int
-DPMSSet(ClientPtr client, int level)
-{
-    return Success;
-}
-
-Bool
-DPMSSupported (void)
-{
-    return FALSE;
-}
+/*

+ * Copyright © 1999 Keith Packard

+ *

+ * 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 Keith Packard not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Keith Packard makes no

+ * representations about the suitability of this software for any purpose.  It

+ * is provided "as is" without express or implied warranty.

+ *

+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL KEITH PACKARD 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.

+ */

+

+#ifdef HAVE_CONFIG_H

+#include <kdrive-config.h>

+#endif

+#include "kdrive.h"

+#include <mivalidate.h>

+#include <dixstruct.h>

+#include "privates.h"

+#ifdef RANDR

+#include <randrstr.h>

+#endif

+

+#ifdef XV

+#include "kxv.h"

+#endif

+

+#ifdef DPMSExtension

+#include "dpmsproc.h"

+#endif

+

+#ifdef HAVE_EXECINFO_H

+#include <execinfo.h>

+#endif

+

+#include <signal.h>

+

+typedef struct _kdDepths {

+    CARD8   depth;

+    CARD8   bpp;

+} KdDepths;

+

+KdDepths    kdDepths[] = {

+    { 1, 1 },

+    { 4, 4 },

+    { 8, 8 },

+    { 15, 16 },

+    { 16, 16 },

+    { 24, 32 },

+    { 32, 32 }

+};

+

+#define NUM_KD_DEPTHS (sizeof (kdDepths) / sizeof (kdDepths[0]))

+

+#define KD_DEFAULT_BUTTONS 5

+

+static int          kdScreenPrivateKeyIndex;

+DevPrivateKey       kdScreenPrivateKey = &kdScreenPrivateKeyIndex;

+unsigned long	    kdGeneration;

+

+Bool                kdVideoTest;

+unsigned long       kdVideoTestTime;

+Bool		    kdEmulateMiddleButton;

+Bool		    kdRawPointerCoordinates;

+Bool		    kdDisableZaphod;

+Bool                kdAllowZap;

+Bool		    kdEnabled;

+int		    kdSubpixelOrder;

+int		    kdVirtualTerminal = -1;

+Bool		    kdSwitchPending;

+char		    *kdSwitchCmd;

+DDXPointRec	    kdOrigin;

+Bool		    kdHasPointer = FALSE;

+Bool		    kdHasKbd = FALSE;

+

+static Bool         kdCaughtSignal = FALSE;

+

+/*

+ * Carry arguments from InitOutput through driver initialization

+ * to KdScreenInit

+ */

+

+KdOsFuncs	*kdOsFuncs;

+

+void

+KdSetRootClip (ScreenPtr pScreen, BOOL enable)

+{

+    WindowPtr	pWin = WindowTable[pScreen->myNum];

+    WindowPtr	pChild;

+    Bool	WasViewable;

+    Bool	anyMarked = FALSE;

+    WindowPtr   pLayerWin;

+    BoxRec	box;

+

+    if (!pWin)

+	return;

+    WasViewable = (Bool)(pWin->viewable);

+    if (WasViewable)

+    {

+	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)

+	{

+	    (void) (*pScreen->MarkOverlappedWindows)(pChild,

+						     pChild,

+						     &pLayerWin);

+	}

+	(*pScreen->MarkWindow) (pWin);

+	anyMarked = TRUE;

+	if (pWin->valdata)

+	{

+	    if (HasBorder (pWin))

+	    {

+		RegionPtr	borderVisible;

+

+		borderVisible = REGION_CREATE(pScreen, NullBox, 1);

+		REGION_SUBTRACT(pScreen, borderVisible,

+				&pWin->borderClip, &pWin->winSize);

+		pWin->valdata->before.borderVisible = borderVisible;

+	    }

+	    pWin->valdata->before.resized = TRUE;

+	}

+    }

+

+    if (enable)

+    {

+	box.x1 = 0;

+	box.y1 = 0;

+	box.x2 = pScreen->width;

+	box.y2 = pScreen->height;

+	pWin->drawable.width = pScreen->width;

+	pWin->drawable.height = pScreen->height;

+	REGION_INIT (pScreen, &pWin->winSize, &box, 1);

+	REGION_INIT (pScreen, &pWin->borderSize, &box, 1);

+	REGION_RESET(pScreen, &pWin->borderClip, &box);

+	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);

+    }

+    else

+    {

+	REGION_EMPTY(pScreen, &pWin->borderClip);

+	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);

+    }

+

+    ResizeChildrenWinSize (pWin, 0, 0, 0, 0);

+

+    if (WasViewable)

+    {

+	if (pWin->firstChild)

+	{

+	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,

+							   pWin->firstChild,

+							   (WindowPtr *)NULL);

+	}

+	else

+	{

+	    (*pScreen->MarkWindow) (pWin);

+	    anyMarked = TRUE;

+	}

+

+

+	if (anyMarked)

+	    (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);

+    }

+

+    if (WasViewable)

+    {

+	if (anyMarked)

+	    (*pScreen->HandleExposures)(pWin);

+	if (anyMarked && pScreen->PostValidateTree)

+	    (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);

+    }

+    if (pWin->realized)

+	WindowsRestructured ();

+}

+

+void

+KdDisableScreen (ScreenPtr pScreen)

+{

+    KdScreenPriv(pScreen);

+

+    if (!pScreenPriv->enabled)

+	return;

+    if (!pScreenPriv->closed)

+	KdSetRootClip (pScreen, FALSE);

+    KdDisableColormap (pScreen);

+    if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->disableAccel)

+	(*pScreenPriv->card->cfuncs->disableAccel) (pScreen);

+    if (!pScreenPriv->screen->softCursor && pScreenPriv->card->cfuncs->disableCursor)

+	(*pScreenPriv->card->cfuncs->disableCursor) (pScreen);

+    if (pScreenPriv->card->cfuncs->dpms)

+	(*pScreenPriv->card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL);

+    pScreenPriv->enabled = FALSE;

+    if(pScreenPriv->card->cfuncs->disable)

+        (*pScreenPriv->card->cfuncs->disable) (pScreen);

+}

+

+static void

+KdDoSwitchCmd (char *reason)

+{

+    if (kdSwitchCmd)

+    {

+	char    *command = malloc(strlen (kdSwitchCmd) +

+				   1 +

+				   strlen (reason) +

+				   1);

+	if (!command)

+	    return;

+	strcpy (command, kdSwitchCmd);

+	strcat (command, " ");

+	strcat (command, reason);

+	system (command);

+	free(command);

+    }

+}

+

+void

+KdSuspend (void)

+{

+    KdCardInfo	    *card;

+    KdScreenInfo    *screen;

+

+    if (kdEnabled)

+    {

+	for (card = kdCardInfo; card; card = card->next)

+	{

+	    for (screen = card->screenList; screen; screen = screen->next)

+		if (screen->mynum == card->selected && screen->pScreen)

+		    KdDisableScreen (screen->pScreen);

+	    if (card->driver && card->cfuncs->restore)

+		(*card->cfuncs->restore) (card);

+	}

+	KdDisableInput ();

+	KdDoSwitchCmd ("suspend");

+    }

+}

+

+void

+KdDisableScreens (void)

+{

+    KdSuspend ();

+    if (kdEnabled)

+    {

+        if (kdOsFuncs->Disable)

+            (*kdOsFuncs->Disable) ();

+	kdEnabled = FALSE;

+    }

+}

+

+Bool

+KdEnableScreen (ScreenPtr pScreen)

+{

+    KdScreenPriv (pScreen);

+

+    if (pScreenPriv->enabled)

+	return TRUE;

+    if(pScreenPriv->card->cfuncs->enable)

+	if (!(*pScreenPriv->card->cfuncs->enable) (pScreen))

+	    return FALSE;

+    pScreenPriv->enabled = TRUE;

+    pScreenPriv->dpmsState = KD_DPMS_NORMAL;

+    pScreenPriv->card->selected = pScreenPriv->screen->mynum;

+    if (!pScreenPriv->screen->softCursor && pScreenPriv->card->cfuncs->enableCursor)

+	(*pScreenPriv->card->cfuncs->enableCursor) (pScreen);

+    if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->enableAccel)

+	(*pScreenPriv->card->cfuncs->enableAccel) (pScreen);

+    KdEnableColormap (pScreen);

+    KdSetRootClip (pScreen, TRUE);

+    if (pScreenPriv->card->cfuncs->dpms)

+	(*pScreenPriv->card->cfuncs->dpms) (pScreen, pScreenPriv->dpmsState);

+    return TRUE;

+}

+

+void

+KdResume (void)

+{

+    KdCardInfo	    *card;

+    KdScreenInfo    *screen;

+

+    if (kdEnabled)

+    {

+	KdDoSwitchCmd ("resume");

+	for (card = kdCardInfo; card; card = card->next)

+	{

+	    if(card->cfuncs->preserve)

+		(*card->cfuncs->preserve) (card);

+	    for (screen = card->screenList; screen; screen = screen->next)

+		if (screen->mynum == card->selected && screen->pScreen)

+		    KdEnableScreen (screen->pScreen);

+	}

+	KdEnableInput ();

+	KdReleaseAllKeys ();

+    }

+}

+

+void

+KdEnableScreens (void)

+{

+    if (!kdEnabled)

+    {

+	kdEnabled = TRUE;

+        if (kdOsFuncs->Enable)

+            (*kdOsFuncs->Enable) ();

+    }

+    KdResume ();

+}

+

+void

+KdProcessSwitch (void)

+{

+    if (kdEnabled)

+	KdDisableScreens ();

+    else

+	KdEnableScreens ();

+}

+

+void

+AbortDDX(void)

+{

+    KdDisableScreens ();

+    if (kdOsFuncs)

+    {

+	if (kdEnabled && kdOsFuncs->Disable)

+	    (*kdOsFuncs->Disable) ();

+        if (kdOsFuncs->Fini)

+            (*kdOsFuncs->Fini) ();

+	KdDoSwitchCmd ("stop");

+    }

+

+    if (kdCaughtSignal)

+        OsAbort();

+}

+

+void

+ddxGiveUp (void)

+{

+    AbortDDX ();

+}

+

+Bool	kdDumbDriver;

+Bool	kdSoftCursor;

+

+char *

+KdParseFindNext (char *cur, char *delim, char *save, char *last)

+{

+    while (*cur && !strchr (delim, *cur))

+    {

+	*save++ = *cur++;

+    }

+    *save = 0;

+    *last = *cur;

+    if (*cur)

+	cur++;

+    return cur;

+}

+

+Rotation

+KdAddRotation (Rotation a, Rotation b)

+{

+    Rotation	rotate = (a & RR_Rotate_All) * (b & RR_Rotate_All);

+    Rotation	reflect = (a & RR_Reflect_All) ^ (b & RR_Reflect_All);

+

+    if (rotate > RR_Rotate_270)

+	rotate /= (RR_Rotate_270 * RR_Rotate_90);

+    return reflect | rotate;

+}

+

+Rotation

+KdSubRotation (Rotation a, Rotation b)

+{

+    Rotation	rotate = (a & RR_Rotate_All) * 16 / (b & RR_Rotate_All);

+    Rotation	reflect = (a & RR_Reflect_All) ^ (b & RR_Reflect_All);

+

+    if (rotate > RR_Rotate_270)

+	rotate /= (RR_Rotate_270 * RR_Rotate_90);

+    return reflect | rotate;

+}

+

+void

+KdParseScreen (KdScreenInfo *screen,

+	       char	    *arg)

+{

+    char    delim;

+    char    save[1024];

+    int	    i;

+    int	    pixels, mm;

+

+    screen->dumb = kdDumbDriver;

+    screen->softCursor = kdSoftCursor;

+    screen->origin = kdOrigin;

+    screen->randr = RR_Rotate_0;

+    screen->width = 0;

+    screen->height = 0;

+    screen->width_mm = 0;

+    screen->height_mm = 0;

+    screen->subpixel_order = kdSubpixelOrder;

+    screen->rate = 0;

+    screen->fb.depth = 0;

+    if (!arg)

+	return;

+    if (strlen (arg) >= sizeof (save))

+	return;

+

+    for (i = 0; i < 2; i++)

+    {

+	arg = KdParseFindNext (arg, "x/@XY", save, &delim);

+	if (!save[0])

+	    return;

+

+	pixels = atoi(save);

+	mm = 0;

+

+	if (delim == '/')

+	{

+	    arg = KdParseFindNext (arg, "x@XY", save, &delim);

+	    if (!save[0])

+		return;

+	    mm = atoi(save);

+	}

+

+	if (i == 0)

+	{

+	    screen->width = pixels;

+	    screen->width_mm = mm;

+	}

+	else

+	{

+	    screen->height = pixels;

+	    screen->height_mm = mm;

+	}

+	if (delim != 'x' && delim != '@' && delim != 'X' && delim != 'Y')

+	    return;

+    }

+

+    kdOrigin.x += screen->width;

+    kdOrigin.y = 0;

+    kdDumbDriver = FALSE;

+    kdSoftCursor = FALSE;

+    kdSubpixelOrder = SubPixelUnknown;

+

+    if (delim == '@')

+    {

+	arg = KdParseFindNext (arg, "xXY", save, &delim);

+	if (save[0])

+	{

+	    int	    rotate = atoi (save);

+	    if (rotate < 45)

+		screen->randr = RR_Rotate_0;

+	    else if (rotate < 135)

+		screen->randr = RR_Rotate_90;

+	    else if (rotate < 225)

+		screen->randr = RR_Rotate_180;

+	    else if (rotate < 315)

+		screen->randr = RR_Rotate_270;

+	    else

+		screen->randr = RR_Rotate_0;

+	}

+    }

+    if (delim == 'X')

+    {

+	arg = KdParseFindNext (arg, "xY", save, &delim);

+	screen->randr |= RR_Reflect_X;

+    }

+

+    if (delim == 'Y')

+    {

+	arg = KdParseFindNext (arg, "xY", save, &delim);

+	screen->randr |= RR_Reflect_Y;

+    }

+

+    arg = KdParseFindNext (arg, "x/,", save, &delim);

+    if (save[0])

+    {

+	screen->fb.depth = atoi(save);

+	if (delim == '/')

+	{

+	    arg = KdParseFindNext (arg, "x,", save, &delim);

+	    if (save[0])

+		screen->fb.bitsPerPixel = atoi (save);

+	}

+	else

+	    screen->fb.bitsPerPixel = 0;

+    }

+

+    if (delim == 'x')

+    {

+	arg = KdParseFindNext (arg, "x", save, &delim);

+	if (save[0])

+	    screen->rate = atoi(save);

+    }

+}

+

+/*

+ * Mouse argument syntax:

+ *

+ *  device,protocol,options...

+ *

+ *  Options are any of:

+ *	1-5	    n button mouse

+ *	2button	    emulate middle button

+ *	{NMO}	    Reorder buttons

+ */

+

+void

+KdParseRgba (char *rgba)

+{

+    if (!strcmp (rgba, "rgb"))

+	kdSubpixelOrder = SubPixelHorizontalRGB;

+    else if (!strcmp (rgba, "bgr"))

+	kdSubpixelOrder = SubPixelHorizontalBGR;

+    else if (!strcmp (rgba, "vrgb"))

+	kdSubpixelOrder = SubPixelVerticalRGB;

+    else if (!strcmp (rgba, "vbgr"))

+	kdSubpixelOrder = SubPixelVerticalBGR;

+    else if (!strcmp (rgba, "none"))

+	kdSubpixelOrder = SubPixelNone;

+    else

+	kdSubpixelOrder = SubPixelUnknown;

+}

+

+void

+KdUseMsg (void)

+{

+    ErrorF("\nTinyX Device Dependent Usage:\n");

+    ErrorF("-screen WIDTH[/WIDTHMM]xHEIGHT[/HEIGHTMM][@ROTATION][X][Y][xDEPTH/BPP[xFREQ]]  Specify screen characteristics\n");

+    ErrorF("-rgba rgb/bgr/vrgb/vbgr/none   Specify subpixel ordering for LCD panels\n");

+    ErrorF("-mouse driver [,n,,options]    Specify the pointer driver and its options (n is the number of buttons)\n");

+    ErrorF("-keybd driver [,,options]      Specify the keyboard driver and its options\n");

+    ErrorF("-zaphod          Disable cursor screen switching\n");

+    ErrorF("-2button         Emulate 3 button mouse\n");

+    ErrorF("-3button         Disable 3 button mouse emulation\n");

+    ErrorF("-rawcoord        Don't transform pointer coordinates on rotation\n");

+    ErrorF("-dumb            Disable hardware acceleration\n");

+    ErrorF("-softCursor      Force software cursor\n");

+    ErrorF("-videoTest       Start the server, pause momentarily and exit\n");

+    ErrorF("-origin X,Y      Locates the next screen in the the virtual screen (Xinerama)\n");

+    ErrorF("-switchCmd       Command to execute on vt switch\n");

+    ErrorF("-zap             Terminate server on Ctrl+Alt+Backspace\n");

+    ErrorF("vtxx             Use virtual terminal xx instead of the next available\n");

+}

+

+int

+KdProcessArgument (int argc, char **argv, int i)

+{

+    KdCardInfo	    *card;

+    KdScreenInfo    *screen;

+

+    if (!strcmp (argv[i], "-screen"))

+    {

+	if ((i+1) < argc)

+	{

+	    card = KdCardInfoLast ();

+	    if (!card)

+	    {

+		InitCard (0);

+		card = KdCardInfoLast ();

+	    }

+	    if (card) {

+		screen = KdScreenInfoAdd (card);

+		KdParseScreen (screen, argv[i+1]);

+	    } else

+		ErrorF("No matching card found!\n");

+	}

+	else

+	    UseMsg ();

+	return 2;

+    }

+    if (!strcmp (argv[i], "-zaphod"))

+    {

+	kdDisableZaphod = TRUE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-zap"))

+    {

+	kdAllowZap = TRUE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-3button"))

+    {

+	kdEmulateMiddleButton = FALSE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-2button"))

+    {

+	kdEmulateMiddleButton = TRUE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-rawcoord"))

+    {

+	kdRawPointerCoordinates = 1;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-dumb"))

+    {

+	kdDumbDriver = TRUE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-softCursor"))

+    {

+	kdSoftCursor = TRUE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-videoTest"))

+    {

+	kdVideoTest = TRUE;

+	return 1;

+    }

+    if (!strcmp (argv[i], "-origin"))

+    {

+	if ((i+1) < argc)

+	{

+	    char    *x = argv[i+1];

+	    char    *y = strchr (x, ',');

+	    if (x)

+		kdOrigin.x = atoi (x);

+	    else

+		kdOrigin.x = 0;

+	    if (y)

+		kdOrigin.y = atoi(y+1);

+	    else

+		kdOrigin.y = 0;

+	}

+	else

+	    UseMsg ();

+	return 2;

+    }

+    if (!strcmp (argv[i], "-rgba"))

+    {

+	if ((i+1) < argc)

+	    KdParseRgba (argv[i+1]);

+	else

+	    UseMsg ();

+	return 2;

+    }

+    if (!strcmp (argv[i], "-switchCmd"))

+    {

+	if ((i+1) < argc)

+	    kdSwitchCmd = argv[i+1];

+	else

+	    UseMsg ();

+	return 2;

+    }

+    if (!strncmp (argv[i], "vt", 2) &&

+	sscanf (argv[i], "vt%2d", &kdVirtualTerminal) == 1)

+    {

+	return 1;

+    }

+    if (!strcmp (argv[i], "-mouse") ||

+        !strcmp (argv[i], "-pointer")) {

+        if (i + 1 >= argc)

+            UseMsg();

+        KdAddConfigPointer(argv[i + 1]);

+	kdHasPointer = TRUE;

+        return 2;

+    }

+    if (!strcmp (argv[i], "-keybd")) {

+        if (i + 1 >= argc)

+            UseMsg();

+        KdAddConfigKeyboard(argv[i + 1]);

+	kdHasKbd = TRUE;

+        return 2;

+    }

+

+    return 0;

+}

+

+/*

+ * These are getting tossed in here until I can think of where

+ * they really belong

+ */

+

+void

+KdOsInit (KdOsFuncs *pOsFuncs)

+{

+    kdOsFuncs = pOsFuncs;

+    if (pOsFuncs)

+    {

+	if (serverGeneration == 1)

+	{

+	    KdDoSwitchCmd ("start");

+            if (pOsFuncs->Init)

+                (*pOsFuncs->Init) ();

+	}

+    }

+}

+

+Bool

+KdAllocatePrivates (ScreenPtr pScreen)

+{

+    KdPrivScreenPtr	pScreenPriv;

+

+    if (kdGeneration != serverGeneration)

+	kdGeneration = serverGeneration;

+

+    pScreenPriv = calloc(1, sizeof (*pScreenPriv));

+    if (!pScreenPriv)

+	return FALSE;

+    KdSetScreenPriv (pScreen, pScreenPriv);

+    return TRUE;

+}

+

+Bool

+KdCreateScreenResources (ScreenPtr pScreen)

+{

+    KdScreenPriv(pScreen);

+    KdCardInfo	    *card = pScreenPriv->card;

+    Bool ret;

+

+    pScreen->CreateScreenResources = pScreenPriv->CreateScreenResources;

+    if(pScreen->CreateScreenResources)

+	ret = (*pScreen->CreateScreenResources) (pScreen);

+    else

+	ret= -1;

+    pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources;

+    pScreen->CreateScreenResources = KdCreateScreenResources;

+    if (ret && card->cfuncs->createRes)

+	ret = (*card->cfuncs->createRes) (pScreen);

+    return ret;

+}

+

+Bool

+KdCloseScreen (int index, ScreenPtr pScreen)

+{

+    KdScreenPriv(pScreen);

+    KdScreenInfo    *screen = pScreenPriv->screen;

+    KdCardInfo	    *card = pScreenPriv->card;

+    Bool	    ret;

+

+    pScreenPriv->closed = TRUE;

+    pScreen->CloseScreen = pScreenPriv->CloseScreen;

+    if(pScreen->CloseScreen)

+        ret = (*pScreen->CloseScreen) (index, pScreen);

+    else

+	ret = TRUE;

+

+    if (pScreenPriv->dpmsState != KD_DPMS_NORMAL)

+	(*card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL);

+

+    if (screen->mynum == card->selected)

+	KdDisableScreen (pScreen);

+

+    /*

+     * Restore video hardware when last screen is closed

+     */

+    if (screen == card->screenList)

+    {

+	if (kdEnabled && card->cfuncs->restore)

+	    (*card->cfuncs->restore) (card);

+    }

+

+    if (!pScreenPriv->screen->dumb && card->cfuncs->finiAccel)

+	(*card->cfuncs->finiAccel) (pScreen);

+

+    if (!pScreenPriv->screen->softCursor && card->cfuncs->finiCursor)

+	(*card->cfuncs->finiCursor) (pScreen);

+

+    if(card->cfuncs->scrfini)

+        (*card->cfuncs->scrfini) (screen);

+

+    /*

+     * Clean up card when last screen is closed, DIX closes them in

+     * reverse order, thus we check for when the first in the list is closed

+     */

+    if (screen == card->screenList)

+    {

+	if(card->cfuncs->cardfini)

+	    (*card->cfuncs->cardfini) (card);

+	/*

+	 * Clean up OS when last card is closed

+	 */

+	if (card == kdCardInfo)

+	{

+	    if (kdEnabled)

+	    {

+		kdEnabled = FALSE;

+		if(kdOsFuncs->Disable)

+		    (*kdOsFuncs->Disable) ();

+	    }

+	}

+    }

+

+    pScreenPriv->screen->pScreen = 0;

+

+    free((pointer) pScreenPriv);

+    return ret;

+}

+

+Bool

+KdSaveScreen (ScreenPtr pScreen, int on)

+{

+    KdScreenPriv(pScreen);

+    int	    dpmsState;

+

+    if (!pScreenPriv->card->cfuncs->dpms)

+	return FALSE;

+

+    dpmsState = pScreenPriv->dpmsState;

+    switch (on) {

+    case SCREEN_SAVER_OFF:

+	dpmsState = KD_DPMS_NORMAL;

+	break;

+    case SCREEN_SAVER_ON:

+	if (dpmsState == KD_DPMS_NORMAL)

+	    dpmsState = KD_DPMS_NORMAL+1;

+	break;

+    case SCREEN_SAVER_CYCLE:

+	if (dpmsState < KD_DPMS_MAX)

+	    dpmsState++;

+	break;

+    case SCREEN_SAVER_FORCER:

+	break;

+    }

+    if (dpmsState != pScreenPriv->dpmsState)

+    {

+	if (pScreenPriv->enabled)

+	    (*pScreenPriv->card->cfuncs->dpms) (pScreen, dpmsState);

+	pScreenPriv->dpmsState = dpmsState;

+    }

+    return TRUE;

+}

+

+static Bool

+KdCreateWindow (WindowPtr pWin)

+{

+#ifndef PHOENIX

+    if (!pWin->parent)

+    {

+	KdScreenPriv(pWin->drawable.pScreen);

+

+	if (!pScreenPriv->enabled)

+	{

+	    REGION_EMPTY (pWin->drawable.pScreen, &pWin->borderClip);

+	    REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);

+	}

+    }

+#endif

+    return fbCreateWindow (pWin);

+}

+

+void

+KdSetSubpixelOrder (ScreenPtr pScreen, Rotation randr)

+{

+    KdScreenPriv(pScreen);

+    KdScreenInfo	*screen = pScreenPriv->screen;

+    int			subpixel_order = screen->subpixel_order;

+    Rotation		subpixel_dir;

+    int			i;

+

+    static struct {

+	int	    subpixel_order;

+	Rotation    direction;

+    } orders[] = {

+	{ SubPixelHorizontalRGB, 	RR_Rotate_0 },

+	{ SubPixelHorizontalBGR,	RR_Rotate_180 },

+	{ SubPixelVerticalRGB,		RR_Rotate_270 },

+	{ SubPixelVerticalBGR,		RR_Rotate_90 },

+    };

+

+    static struct {

+	int	bit;

+	int	normal;

+	int	reflect;

+    } reflects[] = {

+	{ RR_Reflect_X, SubPixelHorizontalRGB,	SubPixelHorizontalBGR },

+	{ RR_Reflect_X, SubPixelHorizontalBGR,	SubPixelHorizontalRGB },

+	{ RR_Reflect_Y, SubPixelVerticalRGB,	SubPixelVerticalBGR },

+	{ RR_Reflect_Y, SubPixelVerticalRGB,	SubPixelVerticalRGB },

+    };

+

+    /* map subpixel to direction */

+    for (i = 0; i < 4; i++)

+	if (orders[i].subpixel_order == subpixel_order)

+	    break;

+    if (i < 4)

+    {

+	subpixel_dir = KdAddRotation (randr & RR_Rotate_All, orders[i].direction);

+

+	/* map back to subpixel order */

+	for (i = 0; i < 4; i++)

+	    if (orders[i].direction & subpixel_dir)

+	    {

+		subpixel_order = orders[i].subpixel_order;

+		break;

+	    }

+	/* reflect */

+	for (i = 0; i < 4; i++)

+	    if ((randr & reflects[i].bit) &&

+		reflects[i].normal == subpixel_order)

+	    {

+		subpixel_order = reflects[i].reflect;

+		break;

+	    }

+    }

+    PictureSetSubpixelOrder (pScreen, subpixel_order);

+}

+

+/* Pass through AddScreen, which doesn't take any closure */

+static KdScreenInfo *kdCurrentScreen;

+

+Bool

+KdScreenInit(int index, ScreenPtr pScreen, int argc, char **argv)

+{

+    KdScreenInfo	*screen = kdCurrentScreen;

+    KdCardInfo		*card = screen->card;

+    KdPrivScreenPtr	pScreenPriv;

+    /*

+     * note that screen->fb is set up for the nominal orientation

+     * of the screen; that means if randr is rotated, the values

+     * there should reflect a rotated frame buffer (or shadow).

+     */

+    Bool		rotated = (screen->randr & (RR_Rotate_90|RR_Rotate_270)) != 0;

+    int			width, height, *width_mmp, *height_mmp;

+

+    KdAllocatePrivates (pScreen);

+

+    pScreenPriv = KdGetScreenPriv(pScreen);

+

+    if (!rotated)

+    {

+	width = screen->width;

+	height = screen->height;

+	width_mmp = &screen->width_mm;

+	height_mmp = &screen->height_mm;

+    }

+    else

+    {

+	width = screen->height;

+	height = screen->width;

+	width_mmp = &screen->height_mm;

+	height_mmp = &screen->width_mm;

+    }

+    screen->pScreen = pScreen;

+    pScreenPriv->screen = screen;

+    pScreenPriv->card = card;

+    pScreenPriv->bytesPerPixel = screen->fb.bitsPerPixel >> 3;

+    pScreenPriv->dpmsState = KD_DPMS_NORMAL;

+#ifdef PANORAMIX

+    dixScreenOrigins[pScreen->myNum] = screen->origin;

+#endif

+

+    if (!monitorResolution)

+	monitorResolution = 75;

+    /*

+     * This is done in this order so that backing store wraps

+     * our GC functions; fbFinishScreenInit initializes MI

+     * backing store

+     */

+    if (!fbSetupScreen (pScreen,

+			screen->fb.frameBuffer,

+			width, height,

+			monitorResolution, monitorResolution,

+			screen->fb.pixelStride,

+			screen->fb.bitsPerPixel))

+    {

+	return FALSE;

+    }

+

+    /*

+     * Set colormap functions

+     */

+    pScreen->InstallColormap	= KdInstallColormap;

+    pScreen->UninstallColormap	= KdUninstallColormap;

+    pScreen->ListInstalledColormaps = KdListInstalledColormaps;

+    pScreen->StoreColors	= KdStoreColors;

+

+    pScreen->SaveScreen		= KdSaveScreen;

+    pScreen->CreateWindow	= KdCreateWindow;

+

+    if (!fbFinishScreenInit (pScreen,

+			     screen->fb.frameBuffer,

+			     width, height,

+			     monitorResolution, monitorResolution,

+			     screen->fb.pixelStride,

+			     screen->fb.bitsPerPixel))

+    {

+	return FALSE;

+    }

+

+    /*

+     * Fix screen sizes; for some reason mi takes dpi instead of mm.

+     * Rounding errors are annoying

+     */

+    if (*width_mmp)

+	pScreen->mmWidth = *width_mmp;

+    else

+	*width_mmp = pScreen->mmWidth;

+    if (*height_mmp)

+	pScreen->mmHeight = *height_mmp;

+    else

+	*height_mmp = pScreen->mmHeight;

+

+    /*

+     * Plug in our own block/wakeup handlers.

+     * miScreenInit installs NoopDDA in both places

+     */

+    pScreen->BlockHandler	= KdBlockHandler;

+    pScreen->WakeupHandler	= KdWakeupHandler;

+

+    if (!fbPictureInit (pScreen, 0, 0))

+	return FALSE;

+    if (card->cfuncs->initScreen)

+	if (!(*card->cfuncs->initScreen) (pScreen))

+	    return FALSE;

+

+    if (!screen->dumb && card->cfuncs->initAccel)

+	if (!(*card->cfuncs->initAccel) (pScreen))

+	    screen->dumb = TRUE;

+

+    if (card->cfuncs->finishInitScreen)

+	if (!(*card->cfuncs->finishInitScreen) (pScreen))

+	    return FALSE;

+

+#if 0

+    fbInitValidateTree (pScreen);

+#endif

+

+#if 0

+    pScreen->backingStoreSupport = Always;

+    miInitializeBackingStore (pScreen);

+#endif

+

+

+    /*

+     * Wrap CloseScreen, the order now is:

+     *	KdCloseScreen

+     *	miBSCloseScreen

+     *	fbCloseScreen

+     */

+    pScreenPriv->CloseScreen = pScreen->CloseScreen;

+    pScreen->CloseScreen = KdCloseScreen;

+

+    pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources;

+    pScreen->CreateScreenResources = KdCreateScreenResources;

+

+    if (screen->softCursor ||

+	!card->cfuncs->initCursor ||

+	!(*card->cfuncs->initCursor) (pScreen))

+    {

+	/* Use MI for cursor display and event queueing. */

+	screen->softCursor = TRUE;

+	miDCInitialize(pScreen, &kdPointerScreenFuncs);

+    }

+

+

+    if (!fbCreateDefColormap (pScreen))

+    {

+	return FALSE;

+    }

+

+    KdSetSubpixelOrder (pScreen, screen->randr);

+

+    /*

+     * Enable the hardware

+     */

+    if (!kdEnabled)

+    {

+	kdEnabled = TRUE;

+	if(kdOsFuncs->Enable)

+	    (*kdOsFuncs->Enable) ();

+    }

+

+    if (screen->mynum == card->selected)

+    {

+	if(card->cfuncs->preserve)

+	    (*card->cfuncs->preserve) (card);

+	if(card->cfuncs->enable)

+	    if (!(*card->cfuncs->enable) (pScreen))

+		return FALSE;

+	pScreenPriv->enabled = TRUE;

+	if (!screen->softCursor && card->cfuncs->enableCursor)

+	    (*card->cfuncs->enableCursor) (pScreen);

+	KdEnableColormap (pScreen);

+	if (!screen->dumb && card->cfuncs->enableAccel)

+	    (*card->cfuncs->enableAccel) (pScreen);

+    }

+

+    return TRUE;

+}

+

+void

+KdInitScreen (ScreenInfo    *pScreenInfo,

+	      KdScreenInfo  *screen,

+	      int	    argc,

+	      char	    **argv)

+{

+    KdCardInfo	*card = screen->card;

+

+    (*card->cfuncs->scrinit) (screen);

+

+    if (!card->cfuncs->initAccel)

+	screen->dumb = TRUE;

+    if (!card->cfuncs->initCursor)

+	screen->softCursor = TRUE;

+}

+

+static Bool

+KdSetPixmapFormats (ScreenInfo	*pScreenInfo)

+{

+    CARD8	    depthToBpp[33];	/* depth -> bpp map */

+    KdCardInfo	    *card;

+    KdScreenInfo    *screen;

+    int		    i;

+    int		    bpp;

+    PixmapFormatRec *format;

+

+    for (i = 1; i <= 32; i++)

+	depthToBpp[i] = 0;

+

+    /*

+     * Generate mappings between bitsPerPixel and depth,

+     * also ensure that all screens comply with protocol

+     * restrictions on equivalent formats for the same

+     * depth on different screens

+     */

+    for (card = kdCardInfo; card; card = card->next)

+    {

+	for (screen = card->screenList; screen; screen = screen->next)

+	{

+	    bpp = screen->fb.bitsPerPixel;

+	    if (bpp == 24)

+		bpp = 32;

+	    if (!depthToBpp[screen->fb.depth])

+		depthToBpp[screen->fb.depth] = bpp;

+	    else if (depthToBpp[screen->fb.depth] != bpp)

+		return FALSE;

+	}

+    }

+

+    /*

+     * Fill in additional formats

+     */

+    for (i = 0; i < NUM_KD_DEPTHS; i++)

+	if (!depthToBpp[kdDepths[i].depth])

+	    depthToBpp[kdDepths[i].depth] = kdDepths[i].bpp;

+

+    pScreenInfo->imageByteOrder     = IMAGE_BYTE_ORDER;

+    pScreenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;

+    pScreenInfo->bitmapScanlinePad  = BITMAP_SCANLINE_PAD;

+    pScreenInfo->bitmapBitOrder     = BITMAP_BIT_ORDER;

+

+    pScreenInfo->numPixmapFormats = 0;

+

+    for (i = 1; i <= 32; i++)

+    {

+	if (depthToBpp[i])

+	{

+	    format = &pScreenInfo->formats[pScreenInfo->numPixmapFormats++];

+	    format->depth = i;

+	    format->bitsPerPixel = depthToBpp[i];

+	    format->scanlinePad = BITMAP_SCANLINE_PAD;

+	}

+    }

+

+    return TRUE;

+}

+

+static void

+KdAddScreen (ScreenInfo	    *pScreenInfo,

+	     KdScreenInfo   *screen,

+	     int	    argc,

+	     char	    **argv)

+{

+    int	    i;

+    /*

+     * Fill in fb visual type masks for this screen

+     */

+    for (i = 0; i < pScreenInfo->numPixmapFormats; i++)

+    {

+	unsigned long	visuals;

+	Pixel		rm, gm, bm;

+

+	visuals = 0;

+	rm = gm = bm = 0;

+	if (pScreenInfo->formats[i].depth == screen->fb.depth)

+	{

+	    visuals = screen->fb.visuals;

+	    rm = screen->fb.redMask;

+	    gm = screen->fb.greenMask;

+	    bm = screen->fb.blueMask;

+	}

+	fbSetVisualTypesAndMasks (pScreenInfo->formats[i].depth,

+				  visuals,

+				  8,

+				  rm, gm, bm);

+    }

+

+    kdCurrentScreen = screen;

+

+    AddScreen (KdScreenInit, argc, argv);

+}

+

+#if 0 /* This function is not used currently */

+

+int

+KdDepthToFb (ScreenPtr	pScreen, int depth)

+{

+    KdScreenPriv(pScreen);

+

+    for (fb = 0; fb <= KD_MAX_FB && pScreenPriv->screen->fb.frameBuffer; fb++)

+	if (pScreenPriv->screen->fb.depth == depth)

+	    return fb;

+}

+

+#endif

+

+static int

+KdSignalWrapper (int signum)

+{

+    kdCaughtSignal = TRUE;

+    return 1; /* use generic OS layer cleanup & abort */

+}

+

+void

+KdInitOutput (ScreenInfo    *pScreenInfo,

+	      int	    argc,

+	      char	    **argv)

+{

+    KdCardInfo	    *card;

+    KdScreenInfo    *screen;

+

+    if (!kdCardInfo)

+    {

+	InitCard (0);

+	if (!(card = KdCardInfoLast ()))

+	    FatalError("No matching cards found!\n");

+	screen = KdScreenInfoAdd (card);

+	KdParseScreen (screen, 0);

+    }

+    /*

+     * Initialize all of the screens for all of the cards

+     */

+    for (card = kdCardInfo; card; card = card->next)

+    {

+	int ret=1;

+	if(card->cfuncs->cardinit)

+		ret=(*card->cfuncs->cardinit) (card);

+	if (ret)

+	{

+	    for (screen = card->screenList; screen; screen = screen->next)

+		KdInitScreen (pScreenInfo, screen, argc, argv);

+	}

+    }

+

+    /*

+     * Merge the various pixmap formats together, this can fail

+     * when two screens share depth but not bitsPerPixel

+     */

+    if (!KdSetPixmapFormats (pScreenInfo))

+	return;

+

+    /*

+     * Add all of the screens

+     */

+    for (card = kdCardInfo; card; card = card->next)

+	for (screen = card->screenList; screen; screen = screen->next)

+	    KdAddScreen (pScreenInfo, screen, argc, argv);

+

+    OsRegisterSigWrapper(KdSignalWrapper);

+}

+

+void

+OsVendorFatalError(void)

+{

+}

+

+int

+DPMSSet(ClientPtr client, int level)

+{

+    return Success;

+}

+

+Bool

+DPMSSupported (void)

+{

+    return FALSE;

+}