svn merge -r588:HEAD ^/branches/released .

7 files changed, 2883 insertions, 2881 deletions

diff --git a/xorg-server/fb/fballpriv.c b/xorg-server/fb/fballpriv.c
index c40796c11..6aee50bce 100644
--- a/xorg-server/fb/fballpriv.c
+++ b/xorg-server/fb/fballpriv.c
@@ -1,76 +1,76 @@
-/*
- * Copyright © 1998 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "fb.h"
-
-#ifdef FB_SCREEN_PRIVATE
-static int fbScreenPrivateKeyIndex;
-static DevPrivateKey fbScreenPrivateKey = &fbScreenPrivateKeyIndex;
-DevPrivateKey fbGetScreenPrivateKey(void)
-{
-    return fbScreenPrivateKey;
-}
-#endif
-
-static int fbGCPrivateKeyIndex;
-static DevPrivateKey fbGCPrivateKey = &fbGCPrivateKeyIndex;
-DevPrivateKey fbGetGCPrivateKey(void)
-{
-    return fbGCPrivateKey;
-}
-
-static int fbWinPrivateKeyIndex;
-static DevPrivateKey fbWinPrivateKey = &fbWinPrivateKeyIndex;
-DevPrivateKey fbGetWinPrivateKey(void)
-{
-    return fbWinPrivateKey;
-}
-
-Bool
-fbAllocatePrivates(ScreenPtr pScreen, DevPrivateKey *pGCKey)
-{
-    if (pGCKey)
-	*pGCKey = fbGCPrivateKey;
-    
-    if (!dixRequestPrivate(fbGCPrivateKey, sizeof(FbGCPrivRec)))
-	return FALSE;
-#ifdef FB_SCREEN_PRIVATE
-    {
-	FbScreenPrivPtr	pScreenPriv;
-
-	pScreenPriv = (FbScreenPrivPtr) xalloc (sizeof (FbScreenPrivRec));
-	if (!pScreenPriv)
-	    return FALSE;
-	dixSetPrivate(&pScreen->devPrivates, fbScreenPrivateKey, pScreenPriv);
-    }
-#endif
-    return TRUE;
-}
-
-#ifdef FB_ACCESS_WRAPPER
-ReadMemoryProcPtr wfbReadMemory;
-WriteMemoryProcPtr wfbWriteMemory;
-#endif
+/*

+ * Copyright © 1998 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_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include "fb.h"

+

+#ifdef FB_SCREEN_PRIVATE

+static int fbScreenPrivateKeyIndex;

+static DevPrivateKey fbScreenPrivateKey = &fbScreenPrivateKeyIndex;

+DevPrivateKey fbGetScreenPrivateKey(void)

+{

+    return fbScreenPrivateKey;

+}

+#endif

+

+static int fbGCPrivateKeyIndex;

+static DevPrivateKey fbGCPrivateKey = &fbGCPrivateKeyIndex;

+DevPrivateKey fbGetGCPrivateKey(void)

+{

+    return fbGCPrivateKey;

+}

+

+static int fbWinPrivateKeyIndex;

+static DevPrivateKey fbWinPrivateKey = &fbWinPrivateKeyIndex;

+DevPrivateKey fbGetWinPrivateKey(void)

+{

+    return fbWinPrivateKey;

+}

+

+Bool

+fbAllocatePrivates(ScreenPtr pScreen, DevPrivateKey *pGCKey)

+{

+    if (pGCKey)

+	*pGCKey = fbGCPrivateKey;

+    

+    if (!dixRequestPrivate(fbGCPrivateKey, sizeof(FbGCPrivRec)))

+	return FALSE;

+#ifdef FB_SCREEN_PRIVATE

+    {

+	FbScreenPrivPtr	pScreenPriv;

+

+	pScreenPriv = (FbScreenPrivPtr) malloc(sizeof (FbScreenPrivRec));

+	if (!pScreenPriv)

+	    return FALSE;

+	dixSetPrivate(&pScreen->devPrivates, fbScreenPrivateKey, pScreenPriv);

+    }

+#endif

+    return TRUE;

+}

+

+#ifdef FB_ACCESS_WRAPPER

+ReadMemoryProcPtr wfbReadMemory;

+WriteMemoryProcPtr wfbWriteMemory;

+#endif

diff --git a/xorg-server/fb/fbcmap.c b/xorg-server/fb/fbcmap.c
index b775bc335..e656c2399 100644
--- a/xorg-server/fb/fbcmap.c
+++ b/xorg-server/fb/fbcmap.c
@@ -1,586 +1,586 @@
-/*
- * Copyright © 1987 Sun Microsystems, Inc.  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
- * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "scrnintstr.h"
-#include "colormapst.h"
-#include "resource.h"
-#include "fb.h"
-
-#ifdef XFree86Server
-#error "You should be compiling fbcmap_mi.c instead of fbcmap.c!"
-#endif
-
-static int cmapScrPrivateKeyIndex;
-static DevPrivateKey cmapScrPrivateKey = &cmapScrPrivateKeyIndex;
-
-#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
-#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))
-
-int
-fbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps)
-{
-    /* By the time we are processing requests, we can guarantee that there
-     * is always a colormap installed */
-    *pmaps = GetInstalledColormap(pScreen)->mid;
-    return (1);
-}
-
-
-void
-fbInstallColormap(ColormapPtr pmap)
-{
-    ColormapPtr oldpmap = GetInstalledColormap(pmap->pScreen);
-
-    if(pmap != oldpmap)
-    {
-	/* Uninstall pInstalledMap. No hardware changes required, just
-	 * notify all interested parties. */
-	if(oldpmap != (ColormapPtr)None)
-	    WalkTree(pmap->pScreen, TellLostMap, (char *)&oldpmap->mid);
-	/* Install pmap */
-	SetInstalledColormap(pmap->pScreen, pmap);
-	WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid);
-    }
-}
-
-void
-fbUninstallColormap(ColormapPtr pmap)
-{
-    ColormapPtr curpmap = GetInstalledColormap(pmap->pScreen);
-
-    if(pmap == curpmap)
-    {
-	if (pmap->mid != pmap->pScreen->defColormap)
-	{
-	    dixLookupResourceByType((pointer *)&curpmap,
-				    pmap->pScreen->defColormap,
-				    RT_COLORMAP,
-				    serverClient, DixInstallAccess);
-	    (*pmap->pScreen->InstallColormap)(curpmap);
-	}
-    }
-}
-
-void
-fbResolveColor(unsigned short	*pred, 
-	       unsigned short	*pgreen, 
-	       unsigned short	*pblue,
-	       VisualPtr	pVisual)
-{
-    int shift = 16 - pVisual->bitsPerRGBValue;
-    unsigned lim = (1 << pVisual->bitsPerRGBValue) - 1;
-
-    if ((pVisual->class | DynamicClass) == GrayScale)
-    {
-	/* rescale to gray then rgb bits */
-	*pred = (30L * *pred + 59L * *pgreen + 11L * *pblue) / 100;
-	*pblue = *pgreen = *pred = ((*pred >> shift) * 65535) / lim;
-    }
-    else
-    {
-	/* rescale to rgb bits */
-	*pred = ((*pred >> shift) * 65535) / lim;
-	*pgreen = ((*pgreen >> shift) * 65535) / lim;
-	*pblue = ((*pblue >> shift) * 65535) / lim;
-    }
-}
-
-Bool
-fbInitializeColormap(ColormapPtr pmap)
-{
-    register unsigned i;
-    register VisualPtr pVisual;
-    unsigned lim, maxent, shift;
-
-    pVisual = pmap->pVisual;
-    lim = (1 << pVisual->bitsPerRGBValue) - 1;
-    shift = 16 - pVisual->bitsPerRGBValue;
-    maxent = pVisual->ColormapEntries - 1;
-    if (pVisual->class == TrueColor)
-    {
-	unsigned limr, limg, limb;
-
-	limr = pVisual->redMask >> pVisual->offsetRed;
-	limg = pVisual->greenMask >> pVisual->offsetGreen;
-	limb = pVisual->blueMask >> pVisual->offsetBlue;
-	for(i = 0; i <= maxent; i++)
-	{
-	    /* rescale to [0..65535] then rgb bits */
-	    pmap->red[i].co.local.red =
-		((((i * 65535) / limr) >> shift) * 65535) / lim;
-	    pmap->green[i].co.local.green =
-		((((i * 65535) / limg) >> shift) * 65535) / lim;
-	    pmap->blue[i].co.local.blue =
-		((((i * 65535) / limb) >> shift) * 65535) / lim;
-	}
-    }
-    else if (pVisual->class == StaticColor)
-    {
-	unsigned	n;
-	unsigned	r, g, b;
-	unsigned	red, green, blue;
-
-	for (n = 0; n*n*n < pVisual->ColormapEntries; n++)
-	    ;
-	n--;
-	i = 0;
-	for (r = 0; r < n; r++)
-	{
-	    red = (((r * 65535 / (n - 1)) >> shift) * 65535) / lim;
-	    for (g = 0; g < n; g++)
-	    {
-		green = (((g * 65535 / (n - 1)) >> shift) * 65535) / lim;
-		for (b = 0; b < n; b++)
-		{
-		    blue = (((b * 65535 / (n - 1)) >> shift) * 65535) / lim;
-		    pmap->red[i].co.local.red = red;
-		    pmap->red[i].co.local.green = green;
-		    pmap->red[i].co.local.blue = blue;
-		    i++;
-		}
-	    }
-	}
-	n = pVisual->ColormapEntries - i;
-	for (r = 0; r < n; r++)
-	{
-	    red = (((r * 65535 / (n - 1)) >> shift) * 65535) / lim;
-	    pmap->red[i].co.local.red = red;
-	    pmap->red[i].co.local.green = red;
-	    pmap->red[i].co.local.blue = red;
-	    i++;
-	}
-    }
-    else if (pVisual->class == StaticGray)
-    {
-	for(i = 0; i <= maxent; i++)
-	{
-	    /* rescale to [0..65535] then rgb bits */
-	    pmap->red[i].co.local.red = ((((i * 65535) / maxent) >> shift)
-					 * 65535) / lim;
-	    pmap->red[i].co.local.green = pmap->red[i].co.local.red;
-	    pmap->red[i].co.local.blue = pmap->red[i].co.local.red;
-	}
-    }
-    return TRUE;
-}
-
-/* When simulating DirectColor on PseudoColor hardware, multiple
-   entries of the colormap must be updated
- */
-
-#define AddElement(mask) { \
-    pixel = red | green | blue; \
-    for (i = 0; i < nresult; i++) \
-  	if (outdefs[i].pixel == pixel) \
-    	    break; \
-    if (i == nresult) \
-    { \
-   	nresult++; \
-	outdefs[i].pixel = pixel; \
-	outdefs[i].flags = 0; \
-    } \
-    outdefs[i].flags |= (mask); \
-    outdefs[i].red = pmap->red[red >> pVisual->offsetRed].co.local.red; \
-    outdefs[i].green = pmap->green[green >> pVisual->offsetGreen].co.local.green; \
-    outdefs[i].blue = pmap->blue[blue >> pVisual->offsetBlue].co.local.blue; \
-}
-
-int
-fbExpandDirectColors (ColormapPtr   pmap, 
-		      int	    ndef,
-		      xColorItem    *indefs,
-		      xColorItem    *outdefs)
-{
-    register int    red, green, blue;
-    int		    maxred, maxgreen, maxblue;
-    int		    stepred, stepgreen, stepblue;
-    VisualPtr	    pVisual;
-    register int    pixel;
-    register int    nresult;
-    register int    i;
-
-    pVisual = pmap->pVisual;
-
-    stepred = 1 << pVisual->offsetRed;
-    stepgreen = 1 << pVisual->offsetGreen;
-    stepblue = 1 << pVisual->offsetBlue;
-    maxred = pVisual->redMask;
-    maxgreen = pVisual->greenMask;
-    maxblue = pVisual->blueMask;
-    nresult = 0;
-    for (;ndef--; indefs++)
-    {
-	if (indefs->flags & DoRed)
-	{
-	    red = indefs->pixel & pVisual->redMask;
-    	    for (green = 0; green <= maxgreen; green += stepgreen)
-    	    {
-	    	for (blue = 0; blue <= maxblue; blue += stepblue)
-	    	{
-		    AddElement (DoRed)
-	    	}
-    	    }
-	}
-	if (indefs->flags & DoGreen)
-	{
-	    green = indefs->pixel & pVisual->greenMask;
-    	    for (red = 0; red <= maxred; red += stepred)
-    	    {
-	    	for (blue = 0; blue <= maxblue; blue += stepblue)
-	    	{
-		    AddElement (DoGreen)
-	    	}
-    	    }
-	}
-	if (indefs->flags & DoBlue)
-	{
-	    blue = indefs->pixel & pVisual->blueMask;
-    	    for (red = 0; red <= maxred; red += stepred)
-    	    {
-	    	for (green = 0; green <= maxgreen; green += stepgreen)
-	    	{
-		    AddElement (DoBlue)
-	    	}
-    	    }
-	}
-    }
-    return nresult;
-}
-
-Bool
-fbCreateDefColormap(ScreenPtr pScreen)
-{
-    unsigned short	zero = 0, ones = 0xFFFF;
-    VisualPtr	pVisual;
-    ColormapPtr	cmap;
-    Pixel wp, bp;
-    
-    for (pVisual = pScreen->visuals;
-	 pVisual->vid != pScreen->rootVisual;
-	 pVisual++)
-	;
-
-    if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &cmap,
-		       (pVisual->class & DynamicClass) ? AllocNone : AllocAll,
-		       0)
-	!= Success)
-	return FALSE;
-    wp = pScreen->whitePixel;
-    bp = pScreen->blackPixel;
-    if ((AllocColor(cmap, &ones, &ones, &ones, &wp, 0) !=
-       	   Success) ||
-    	(AllocColor(cmap, &zero, &zero, &zero, &bp, 0) !=
-       	   Success))
-    	return FALSE;
-    pScreen->whitePixel = wp;
-    pScreen->blackPixel = bp;
-    (*pScreen->InstallColormap)(cmap);
-    return TRUE;
-}
-
-extern int defaultColorVisualClass;
-
-#define _RZ(d) ((d + 2) / 3)
-#define _RS(d) 0
-#define _RM(d) ((1 << _RZ(d)) - 1)
-#define _GZ(d) ((d - _RZ(d) + 1) / 2)
-#define _GS(d) _RZ(d)
-#define _GM(d) (((1 << _GZ(d)) - 1) << _GS(d))
-#define _BZ(d) (d - _RZ(d) - _GZ(d))
-#define _BS(d) (_RZ(d) + _GZ(d))
-#define _BM(d) (((1 << _BZ(d)) - 1) << _BS(d))
-#define _CE(d) (1 << _RZ(d))
-
-#define MAX_PSEUDO_DEPTH    10	    /* largest DAC size I know */
-
-#define StaticGrayMask	(1 << StaticGray)
-#define GrayScaleMask	(1 << GrayScale)
-#define StaticColorMask	(1 << StaticColor)
-#define PseudoColorMask	(1 << PseudoColor)
-#define TrueColorMask	(1 << TrueColor)
-#define DirectColorMask (1 << DirectColor)
-
-#define ALL_VISUALS	(StaticGrayMask|\
-			 GrayScaleMask|\
-			 StaticColorMask|\
-			 PseudoColorMask|\
-			 TrueColorMask|\
-			 DirectColorMask)
-
-#define LARGE_VISUALS	(TrueColorMask|\
-			 DirectColorMask)
-
-typedef struct _fbVisuals {
-    struct _fbVisuals	*next;
-    int			depth;
-    int			bitsPerRGB;
-    int			visuals;
-    int			count;
-    Pixel		redMask, greenMask, blueMask;
-} fbVisualsRec, *fbVisualsPtr;
-
-static const int  fbVisualPriority[] = {
-    PseudoColor, DirectColor, GrayScale, StaticColor, TrueColor, StaticGray
-};
-
-#define NUM_PRIORITY	6
-
-static fbVisualsPtr	fbVisuals;
-
-static int
-popCount (int i)
-{
-    int	count;
-    
-    count = (i >> 1) & 033333333333;
-    count = i - count - ((count >> 1) & 033333333333);
-    count = (((count + (count >> 3)) & 030707070707) % 077);	/* HAKMEM 169 */
-    return count;
-}
-
-/*
- * Distance to least significant one bit
- */
-static int
-maskShift (Pixel p)
-{
-    int	s;
-
-    if (!p) return 0;
-    s = 0;
-    while (!(p & 1))
-    {
-	s++;
-	p >>= 1;
-    }
-    return s;
-}
-
-Bool
-fbSetVisualTypesAndMasks (int depth, int visuals, int bitsPerRGB,
-			  Pixel redMask, Pixel greenMask, Pixel blueMask)
-{
-    fbVisualsPtr   new, *prev, v;
-
-    new = (fbVisualsPtr) xalloc (sizeof *new);
-    if (!new)
-	return FALSE;
-    if (!redMask || !greenMask || !blueMask)
-    {
-	redMask = _RM(depth);
-	greenMask = _GM(depth);
-	blueMask = _BM(depth);
-    }
-    new->next = 0;
-    new->depth = depth;
-    new->visuals = visuals;
-    new->bitsPerRGB = bitsPerRGB;
-    new->redMask = redMask;
-    new->greenMask = greenMask;
-    new->blueMask = blueMask;
-    new->count = popCount (visuals);
-    for (prev = &fbVisuals; (v = *prev); prev = &v->next);
-    *prev = new;
-    return TRUE;
-}
-
-Bool
-fbHasVisualTypes (int depth)
-{
-    fbVisualsPtr    v;
-
-    for (v = fbVisuals; v; v = v->next)
-	if (v->depth == depth)
-	    return TRUE;
-    return FALSE;
-}
-
-Bool
-fbSetVisualTypes (int depth, int visuals, int bitsPerRGB)
-{
-    return fbSetVisualTypesAndMasks (depth, visuals, bitsPerRGB,
-				     _RM(depth), _GM(depth), _BM(depth));
-}
-
-/*
- * Given a list of formats for a screen, create a list
- * of visuals and depths for the screen which coorespond to
- * the set which can be used with this version of fb.
- */
-
-Bool
-fbInitVisuals (VisualPtr    *visualp, 
-	       DepthPtr	    *depthp,
-	       int	    *nvisualp,
-	       int	    *ndepthp,
-	       int	    *rootDepthp,
-	       VisualID	    *defaultVisp,
-	       unsigned long	sizes,
-	       int	    bitsPerRGB)
-{
-    int		i, j = 0, k;
-    VisualPtr	visual;
-    DepthPtr	depth;
-    VisualID	*vid;
-    int		d, b;
-    int		f;
-    int		ndepth, nvisual;
-    int		nvtype;
-    int		vtype;
-    fbVisualsPtr   visuals, nextVisuals;
-
-    /* none specified, we'll guess from pixmap formats */
-    if (!fbVisuals) 
-    {
-    	for (f = 0; f < screenInfo.numPixmapFormats; f++) 
-    	{
-	    d = screenInfo.formats[f].depth;
-	    b = screenInfo.formats[f].bitsPerPixel;
-	    if (sizes & (1 << (b - 1)))
-	    {
-	    	if (d > MAX_PSEUDO_DEPTH)
-		    vtype = LARGE_VISUALS;
-	    	else if (d == 1)
-		    vtype = StaticGrayMask;
-		else
-		    vtype = ALL_VISUALS;
-	    }
-	    else
-		vtype = 0;
-	    if (!fbSetVisualTypes (d, vtype, bitsPerRGB))
-		return FALSE;
-    	}
-    }
-    nvisual = 0;
-    ndepth = 0;
-    for (visuals = fbVisuals; visuals; visuals = nextVisuals) 
-    {
-	nextVisuals = visuals->next;
-	ndepth++;
-	nvisual += visuals->count;
-    }
-    depth = (DepthPtr) xalloc (ndepth * sizeof (DepthRec));
-    visual = (VisualPtr) xalloc (nvisual * sizeof (VisualRec));
-    if (!depth || !visual)
-    {
-	xfree (depth);
-	xfree (visual);
-	return FALSE;
-    }
-    *depthp = depth;
-    *visualp = visual;
-    *ndepthp = ndepth;
-    *nvisualp = nvisual;
-    for (visuals = fbVisuals; visuals; visuals = nextVisuals) 
-    {
-	nextVisuals = visuals->next;
-	d = visuals->depth;
-	vtype = visuals->visuals;
-	nvtype = visuals->count;
-	vid = NULL;
-	if (nvtype)
-	{
-	    vid = (VisualID *) xalloc (nvtype * sizeof (VisualID));
-	    if (!vid)
-		return FALSE;
-	}
-	depth->depth = d;
-	depth->numVids = nvtype;
-	depth->vids = vid;
-	depth++;
-	for (i = 0; i < NUM_PRIORITY; i++) {
-	    if (! (vtype & (1 << fbVisualPriority[i])))
-		continue;
-	    visual->class = fbVisualPriority[i];
-	    visual->bitsPerRGBValue = visuals->bitsPerRGB;
-	    visual->ColormapEntries = 1 << d;
-	    visual->nplanes = d;
-	    visual->vid = *vid = FakeClientID (0);
-	    switch (visual->class) {
-	    case PseudoColor:
-	    case GrayScale:
-	    case StaticGray:
-	    case StaticColor:
-		visual->redMask = 0;
-		visual->greenMask =  0;
-		visual->blueMask =  0;
-		visual->offsetRed  =  0;
-		visual->offsetGreen = 0;
-		visual->offsetBlue =  0;
-		break;
-	    case DirectColor:
-	    case TrueColor:
-		visual->ColormapEntries = _CE(d);
-		visual->redMask =  visuals->redMask;
-		visual->greenMask =  visuals->greenMask;
-		visual->blueMask =  visuals->blueMask;
-		visual->offsetRed  =  maskShift (visuals->redMask);
-		visual->offsetGreen = maskShift (visuals->greenMask);
-		visual->offsetBlue =  maskShift (visuals->blueMask);
-	    }
-	    vid++;
-	    visual++;
-	}
-	xfree (visuals);
-    }
-    fbVisuals = NULL;
-    visual = *visualp;
-    depth = *depthp;
-    for (i = 0; i < ndepth; i++)
-    {
-	if (*rootDepthp && *rootDepthp != depth[i].depth)
-	    continue;
-	for (j = 0; j < depth[i].numVids; j++)
-	{
-	    for (k = 0; k < nvisual; k++)
-		if (visual[k].vid == depth[i].vids[j])
-		    break;
-	    if (k == nvisual)
-		continue;
-	    if (defaultColorVisualClass < 0 ||
-		visual[k].class == defaultColorVisualClass)
-		break;
-	}
-	if (j != depth[i].numVids)
-	    break;
-    }
-    if (i == ndepth) {
-	for (i = 0; i < ndepth; i++)
-	{
-	    if (depth[i].numVids)
-		break;
-	}
-	if (i == ndepth)
-	    return FALSE;
-	j = 0;
-    }
-    *rootDepthp = depth[i].depth;
-    *defaultVisp = depth[i].vids[j];
-    return TRUE;
-}
+/*

+ * Copyright © 1987 Sun Microsystems, Inc.  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

+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL

+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.

+ */

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include "scrnintstr.h"

+#include "colormapst.h"

+#include "resource.h"

+#include "fb.h"

+

+#ifdef XFree86Server

+#error "You should be compiling fbcmap_mi.c instead of fbcmap.c!"

+#endif

+

+static int cmapScrPrivateKeyIndex;

+static DevPrivateKey cmapScrPrivateKey = &cmapScrPrivateKeyIndex;

+

+#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))

+#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))

+

+int

+fbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps)

+{

+    /* By the time we are processing requests, we can guarantee that there

+     * is always a colormap installed */

+    *pmaps = GetInstalledColormap(pScreen)->mid;

+    return (1);

+}

+

+

+void

+fbInstallColormap(ColormapPtr pmap)

+{

+    ColormapPtr oldpmap = GetInstalledColormap(pmap->pScreen);

+

+    if(pmap != oldpmap)

+    {

+	/* Uninstall pInstalledMap. No hardware changes required, just

+	 * notify all interested parties. */

+	if(oldpmap != (ColormapPtr)None)

+	    WalkTree(pmap->pScreen, TellLostMap, (char *)&oldpmap->mid);

+	/* Install pmap */

+	SetInstalledColormap(pmap->pScreen, pmap);

+	WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid);

+    }

+}

+

+void

+fbUninstallColormap(ColormapPtr pmap)

+{

+    ColormapPtr curpmap = GetInstalledColormap(pmap->pScreen);

+

+    if(pmap == curpmap)

+    {

+	if (pmap->mid != pmap->pScreen->defColormap)

+	{

+	    dixLookupResourceByType((pointer *)&curpmap,

+				    pmap->pScreen->defColormap,

+				    RT_COLORMAP,

+				    serverClient, DixInstallAccess);

+	    (*pmap->pScreen->InstallColormap)(curpmap);

+	}

+    }

+}

+

+void

+fbResolveColor(unsigned short	*pred, 

+	       unsigned short	*pgreen, 

+	       unsigned short	*pblue,

+	       VisualPtr	pVisual)

+{

+    int shift = 16 - pVisual->bitsPerRGBValue;

+    unsigned lim = (1 << pVisual->bitsPerRGBValue) - 1;

+

+    if ((pVisual->class | DynamicClass) == GrayScale)

+    {

+	/* rescale to gray then rgb bits */

+	*pred = (30L * *pred + 59L * *pgreen + 11L * *pblue) / 100;

+	*pblue = *pgreen = *pred = ((*pred >> shift) * 65535) / lim;

+    }

+    else

+    {

+	/* rescale to rgb bits */

+	*pred = ((*pred >> shift) * 65535) / lim;

+	*pgreen = ((*pgreen >> shift) * 65535) / lim;

+	*pblue = ((*pblue >> shift) * 65535) / lim;

+    }

+}

+

+Bool

+fbInitializeColormap(ColormapPtr pmap)

+{

+    register unsigned i;

+    register VisualPtr pVisual;

+    unsigned lim, maxent, shift;

+

+    pVisual = pmap->pVisual;

+    lim = (1 << pVisual->bitsPerRGBValue) - 1;

+    shift = 16 - pVisual->bitsPerRGBValue;

+    maxent = pVisual->ColormapEntries - 1;

+    if (pVisual->class == TrueColor)

+    {

+	unsigned limr, limg, limb;

+

+	limr = pVisual->redMask >> pVisual->offsetRed;

+	limg = pVisual->greenMask >> pVisual->offsetGreen;

+	limb = pVisual->blueMask >> pVisual->offsetBlue;

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

+	{

+	    /* rescale to [0..65535] then rgb bits */

+	    pmap->red[i].co.local.red =

+		((((i * 65535) / limr) >> shift) * 65535) / lim;

+	    pmap->green[i].co.local.green =

+		((((i * 65535) / limg) >> shift) * 65535) / lim;

+	    pmap->blue[i].co.local.blue =

+		((((i * 65535) / limb) >> shift) * 65535) / lim;

+	}

+    }

+    else if (pVisual->class == StaticColor)

+    {

+	unsigned	n;

+	unsigned	r, g, b;

+	unsigned	red, green, blue;

+

+	for (n = 0; n*n*n < pVisual->ColormapEntries; n++)

+	    ;

+	n--;

+	i = 0;

+	for (r = 0; r < n; r++)

+	{

+	    red = (((r * 65535 / (n - 1)) >> shift) * 65535) / lim;

+	    for (g = 0; g < n; g++)

+	    {

+		green = (((g * 65535 / (n - 1)) >> shift) * 65535) / lim;

+		for (b = 0; b < n; b++)

+		{

+		    blue = (((b * 65535 / (n - 1)) >> shift) * 65535) / lim;

+		    pmap->red[i].co.local.red = red;

+		    pmap->red[i].co.local.green = green;

+		    pmap->red[i].co.local.blue = blue;

+		    i++;

+		}

+	    }

+	}

+	n = pVisual->ColormapEntries - i;

+	for (r = 0; r < n; r++)

+	{

+	    red = (((r * 65535 / (n - 1)) >> shift) * 65535) / lim;

+	    pmap->red[i].co.local.red = red;

+	    pmap->red[i].co.local.green = red;

+	    pmap->red[i].co.local.blue = red;

+	    i++;

+	}

+    }

+    else if (pVisual->class == StaticGray)

+    {

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

+	{

+	    /* rescale to [0..65535] then rgb bits */

+	    pmap->red[i].co.local.red = ((((i * 65535) / maxent) >> shift)

+					 * 65535) / lim;

+	    pmap->red[i].co.local.green = pmap->red[i].co.local.red;

+	    pmap->red[i].co.local.blue = pmap->red[i].co.local.red;

+	}

+    }

+    return TRUE;

+}

+

+/* When simulating DirectColor on PseudoColor hardware, multiple

+   entries of the colormap must be updated

+ */

+

+#define AddElement(mask) { \

+    pixel = red | green | blue; \

+    for (i = 0; i < nresult; i++) \

+  	if (outdefs[i].pixel == pixel) \

+    	    break; \

+    if (i == nresult) \

+    { \

+   	nresult++; \

+	outdefs[i].pixel = pixel; \

+	outdefs[i].flags = 0; \

+    } \

+    outdefs[i].flags |= (mask); \

+    outdefs[i].red = pmap->red[red >> pVisual->offsetRed].co.local.red; \

+    outdefs[i].green = pmap->green[green >> pVisual->offsetGreen].co.local.green; \

+    outdefs[i].blue = pmap->blue[blue >> pVisual->offsetBlue].co.local.blue; \

+}

+

+int

+fbExpandDirectColors (ColormapPtr   pmap, 

+		      int	    ndef,

+		      xColorItem    *indefs,

+		      xColorItem    *outdefs)

+{

+    register int    red, green, blue;

+    int		    maxred, maxgreen, maxblue;

+    int		    stepred, stepgreen, stepblue;

+    VisualPtr	    pVisual;

+    register int    pixel;

+    register int    nresult;

+    register int    i;

+

+    pVisual = pmap->pVisual;

+

+    stepred = 1 << pVisual->offsetRed;

+    stepgreen = 1 << pVisual->offsetGreen;

+    stepblue = 1 << pVisual->offsetBlue;

+    maxred = pVisual->redMask;

+    maxgreen = pVisual->greenMask;

+    maxblue = pVisual->blueMask;

+    nresult = 0;

+    for (;ndef--; indefs++)

+    {

+	if (indefs->flags & DoRed)

+	{

+	    red = indefs->pixel & pVisual->redMask;

+    	    for (green = 0; green <= maxgreen; green += stepgreen)

+    	    {

+	    	for (blue = 0; blue <= maxblue; blue += stepblue)

+	    	{

+		    AddElement (DoRed)

+	    	}

+    	    }

+	}

+	if (indefs->flags & DoGreen)

+	{

+	    green = indefs->pixel & pVisual->greenMask;

+    	    for (red = 0; red <= maxred; red += stepred)

+    	    {

+	    	for (blue = 0; blue <= maxblue; blue += stepblue)

+	    	{

+		    AddElement (DoGreen)

+	    	}

+    	    }

+	}

+	if (indefs->flags & DoBlue)

+	{

+	    blue = indefs->pixel & pVisual->blueMask;

+    	    for (red = 0; red <= maxred; red += stepred)

+    	    {

+	    	for (green = 0; green <= maxgreen; green += stepgreen)

+	    	{

+		    AddElement (DoBlue)

+	    	}

+    	    }

+	}

+    }

+    return nresult;

+}

+

+Bool

+fbCreateDefColormap(ScreenPtr pScreen)

+{

+    unsigned short	zero = 0, ones = 0xFFFF;

+    VisualPtr	pVisual;

+    ColormapPtr	cmap;

+    Pixel wp, bp;

+    

+    for (pVisual = pScreen->visuals;

+	 pVisual->vid != pScreen->rootVisual;

+	 pVisual++)

+	;

+

+    if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &cmap,

+		       (pVisual->class & DynamicClass) ? AllocNone : AllocAll,

+		       0)

+	!= Success)

+	return FALSE;

+    wp = pScreen->whitePixel;

+    bp = pScreen->blackPixel;

+    if ((AllocColor(cmap, &ones, &ones, &ones, &wp, 0) !=

+       	   Success) ||

+    	(AllocColor(cmap, &zero, &zero, &zero, &bp, 0) !=

+       	   Success))

+    	return FALSE;

+    pScreen->whitePixel = wp;

+    pScreen->blackPixel = bp;

+    (*pScreen->InstallColormap)(cmap);

+    return TRUE;

+}

+

+extern int defaultColorVisualClass;

+

+#define _RZ(d) ((d + 2) / 3)

+#define _RS(d) 0

+#define _RM(d) ((1 << _RZ(d)) - 1)

+#define _GZ(d) ((d - _RZ(d) + 1) / 2)

+#define _GS(d) _RZ(d)

+#define _GM(d) (((1 << _GZ(d)) - 1) << _GS(d))

+#define _BZ(d) (d - _RZ(d) - _GZ(d))

+#define _BS(d) (_RZ(d) + _GZ(d))

+#define _BM(d) (((1 << _BZ(d)) - 1) << _BS(d))

+#define _CE(d) (1 << _RZ(d))

+

+#define MAX_PSEUDO_DEPTH    10	    /* largest DAC size I know */

+

+#define StaticGrayMask	(1 << StaticGray)

+#define GrayScaleMask	(1 << GrayScale)

+#define StaticColorMask	(1 << StaticColor)

+#define PseudoColorMask	(1 << PseudoColor)

+#define TrueColorMask	(1 << TrueColor)

+#define DirectColorMask (1 << DirectColor)

+

+#define ALL_VISUALS	(StaticGrayMask|\

+			 GrayScaleMask|\

+			 StaticColorMask|\

+			 PseudoColorMask|\

+			 TrueColorMask|\

+			 DirectColorMask)

+

+#define LARGE_VISUALS	(TrueColorMask|\

+			 DirectColorMask)

+

+typedef struct _fbVisuals {

+    struct _fbVisuals	*next;

+    int			depth;

+    int			bitsPerRGB;

+    int			visuals;

+    int			count;

+    Pixel		redMask, greenMask, blueMask;

+} fbVisualsRec, *fbVisualsPtr;

+

+static const int  fbVisualPriority[] = {

+    PseudoColor, DirectColor, GrayScale, StaticColor, TrueColor, StaticGray

+};

+

+#define NUM_PRIORITY	6

+

+static fbVisualsPtr	fbVisuals;

+

+static int

+popCount (int i)

+{

+    int	count;

+    

+    count = (i >> 1) & 033333333333;

+    count = i - count - ((count >> 1) & 033333333333);

+    count = (((count + (count >> 3)) & 030707070707) % 077);	/* HAKMEM 169 */

+    return count;

+}

+

+/*

+ * Distance to least significant one bit

+ */

+static int

+maskShift (Pixel p)

+{

+    int	s;

+

+    if (!p) return 0;

+    s = 0;

+    while (!(p & 1))

+    {

+	s++;

+	p >>= 1;

+    }

+    return s;

+}

+

+Bool

+fbSetVisualTypesAndMasks (int depth, int visuals, int bitsPerRGB,

+			  Pixel redMask, Pixel greenMask, Pixel blueMask)

+{

+    fbVisualsPtr   new, *prev, v;

+

+    new = (fbVisualsPtr) malloc(sizeof *new);

+    if (!new)

+	return FALSE;

+    if (!redMask || !greenMask || !blueMask)

+    {

+	redMask = _RM(depth);

+	greenMask = _GM(depth);

+	blueMask = _BM(depth);

+    }

+    new->next = 0;

+    new->depth = depth;

+    new->visuals = visuals;

+    new->bitsPerRGB = bitsPerRGB;

+    new->redMask = redMask;

+    new->greenMask = greenMask;

+    new->blueMask = blueMask;

+    new->count = popCount (visuals);

+    for (prev = &fbVisuals; (v = *prev); prev = &v->next);

+    *prev = new;

+    return TRUE;

+}

+

+Bool

+fbHasVisualTypes (int depth)

+{

+    fbVisualsPtr    v;

+

+    for (v = fbVisuals; v; v = v->next)

+	if (v->depth == depth)

+	    return TRUE;

+    return FALSE;

+}

+

+Bool

+fbSetVisualTypes (int depth, int visuals, int bitsPerRGB)

+{

+    return fbSetVisualTypesAndMasks (depth, visuals, bitsPerRGB,

+				     _RM(depth), _GM(depth), _BM(depth));

+}

+

+/*

+ * Given a list of formats for a screen, create a list

+ * of visuals and depths for the screen which coorespond to

+ * the set which can be used with this version of fb.

+ */

+

+Bool

+fbInitVisuals (VisualPtr    *visualp, 

+	       DepthPtr	    *depthp,

+	       int	    *nvisualp,

+	       int	    *ndepthp,

+	       int	    *rootDepthp,

+	       VisualID	    *defaultVisp,

+	       unsigned long	sizes,

+	       int	    bitsPerRGB)

+{

+    int		i, j = 0, k;

+    VisualPtr	visual;

+    DepthPtr	depth;

+    VisualID	*vid;

+    int		d, b;

+    int		f;

+    int		ndepth, nvisual;

+    int		nvtype;

+    int		vtype;

+    fbVisualsPtr   visuals, nextVisuals;

+

+    /* none specified, we'll guess from pixmap formats */

+    if (!fbVisuals) 

+    {

+    	for (f = 0; f < screenInfo.numPixmapFormats; f++) 

+    	{

+	    d = screenInfo.formats[f].depth;

+	    b = screenInfo.formats[f].bitsPerPixel;

+	    if (sizes & (1 << (b - 1)))

+	    {

+	    	if (d > MAX_PSEUDO_DEPTH)

+		    vtype = LARGE_VISUALS;

+	    	else if (d == 1)

+		    vtype = StaticGrayMask;

+		else

+		    vtype = ALL_VISUALS;

+	    }

+	    else

+		vtype = 0;

+	    if (!fbSetVisualTypes (d, vtype, bitsPerRGB))

+		return FALSE;

+    	}

+    }

+    nvisual = 0;

+    ndepth = 0;

+    for (visuals = fbVisuals; visuals; visuals = nextVisuals) 

+    {

+	nextVisuals = visuals->next;

+	ndepth++;

+	nvisual += visuals->count;

+    }

+    depth = (DepthPtr) malloc(ndepth * sizeof (DepthRec));

+    visual = (VisualPtr) malloc(nvisual * sizeof (VisualRec));

+    if (!depth || !visual)

+    {

+	free(depth);

+	free(visual);

+	return FALSE;

+    }

+    *depthp = depth;

+    *visualp = visual;

+    *ndepthp = ndepth;

+    *nvisualp = nvisual;

+    for (visuals = fbVisuals; visuals; visuals = nextVisuals) 

+    {

+	nextVisuals = visuals->next;

+	d = visuals->depth;

+	vtype = visuals->visuals;

+	nvtype = visuals->count;

+	vid = NULL;

+	if (nvtype)

+	{

+	    vid = (VisualID *) malloc(nvtype * sizeof (VisualID));

+	    if (!vid)

+		return FALSE;

+	}

+	depth->depth = d;

+	depth->numVids = nvtype;

+	depth->vids = vid;

+	depth++;

+	for (i = 0; i < NUM_PRIORITY; i++) {

+	    if (! (vtype & (1 << fbVisualPriority[i])))

+		continue;

+	    visual->class = fbVisualPriority[i];

+	    visual->bitsPerRGBValue = visuals->bitsPerRGB;

+	    visual->ColormapEntries = 1 << d;

+	    visual->nplanes = d;

+	    visual->vid = *vid = FakeClientID (0);

+	    switch (visual->class) {

+	    case PseudoColor:

+	    case GrayScale:

+	    case StaticGray:

+	    case StaticColor:

+		visual->redMask = 0;

+		visual->greenMask =  0;

+		visual->blueMask =  0;

+		visual->offsetRed  =  0;

+		visual->offsetGreen = 0;

+		visual->offsetBlue =  0;

+		break;

+	    case DirectColor:

+	    case TrueColor:

+		visual->ColormapEntries = _CE(d);

+		visual->redMask =  visuals->redMask;

+		visual->greenMask =  visuals->greenMask;

+		visual->blueMask =  visuals->blueMask;

+		visual->offsetRed  =  maskShift (visuals->redMask);

+		visual->offsetGreen = maskShift (visuals->greenMask);

+		visual->offsetBlue =  maskShift (visuals->blueMask);

+	    }

+	    vid++;

+	    visual++;

+	}

+	free(visuals);

+    }

+    fbVisuals = NULL;

+    visual = *visualp;

+    depth = *depthp;

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

+    {

+	if (*rootDepthp && *rootDepthp != depth[i].depth)

+	    continue;

+	for (j = 0; j < depth[i].numVids; j++)

+	{

+	    for (k = 0; k < nvisual; k++)

+		if (visual[k].vid == depth[i].vids[j])

+		    break;

+	    if (k == nvisual)

+		continue;

+	    if (defaultColorVisualClass < 0 ||

+		visual[k].class == defaultColorVisualClass)

+		break;

+	}

+	if (j != depth[i].numVids)

+	    break;

+    }

+    if (i == ndepth) {

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

+	{

+	    if (depth[i].numVids)

+		break;

+	}

+	if (i == ndepth)

+	    return FALSE;

+	j = 0;

+    }

+    *rootDepthp = depth[i].depth;

+    *defaultVisp = depth[i].vids[j];

+    return TRUE;

+}

diff --git a/xorg-server/fb/fbcopy.c b/xorg-server/fb/fbcopy.c
index 07eb663c6..30cbf7b25 100644
--- a/xorg-server/fb/fbcopy.c
+++ b/xorg-server/fb/fbcopy.c
@@ -1,374 +1,374 @@
-/*
- * Copyright © 1998 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "fb.h"
-
-/* Compatibility wrapper, to be removed at next ABI change. */
-void
-fbCopyRegion (DrawablePtr   pSrcDrawable,
-             DrawablePtr   pDstDrawable,
-             GCPtr         pGC,
-             RegionPtr     pDstRegion,
-             int           dx,
-             int           dy,
-             fbCopyProc    copyProc,
-             Pixel         bitPlane,
-             void          *closure)
-{
-    miCopyRegion(pSrcDrawable, pDstDrawable, pGC, pDstRegion, dx, dy, copyProc, bitPlane, closure);
-}
-
-/* Compatibility wrapper, to be removed at next ABI change. */
-RegionPtr
-fbDoCopy (DrawablePtr  pSrcDrawable,
-         DrawablePtr   pDstDrawable,
-         GCPtr         pGC,
-         int           xIn,
-         int           yIn,
-         int           widthSrc,
-         int           heightSrc,
-         int           xOut,
-         int           yOut,
-         fbCopyProc    copyProc,
-         Pixel         bitPlane,
-         void          *closure)
-{
-    return miDoCopy(pSrcDrawable, pDstDrawable, pGC, xIn, yIn, widthSrc, heightSrc, xOut, yOut, copyProc, bitPlane, closure);
-}
-
-void
-fbCopyNtoN (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    BoxPtr	pbox,
-	    int		nbox,
-	    int		dx,
-	    int		dy,
-	    Bool	reverse,
-	    Bool	upsidedown,
-	    Pixel	bitplane,
-	    void	*closure)
-{
-    CARD8	alu = pGC ? pGC->alu : GXcopy;
-    FbBits	pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES;
-    FbBits	*src;
-    FbStride	srcStride;
-    int		srcBpp;
-    int		srcXoff, srcYoff;
-    FbBits	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    
-    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
-    while (nbox--)
-    {
-#ifndef FB_ACCESS_WRAPPER /* pixman_blt() doesn't support accessors yet */
-	if (pm == FB_ALLONES && alu == GXcopy && !reverse &&
-	    !upsidedown)
-	{
-	    if (!pixman_blt ((uint32_t *)src, (uint32_t *)dst, srcStride, dstStride, srcBpp, dstBpp,
-			     (pbox->x1 + dx + srcXoff),
-			     (pbox->y1 + dy + srcYoff),
-			     (pbox->x1 + dstXoff),
-			     (pbox->y1 + dstYoff),
-			     (pbox->x2 - pbox->x1),
-			     (pbox->y2 - pbox->y1)))
-		goto fallback;
-	    else
-		goto next;
-	}
-    fallback:
-#endif
-	fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
-	       srcStride,
-	       (pbox->x1 + dx + srcXoff) * srcBpp,
-	       
-	       dst + (pbox->y1 + dstYoff) * dstStride,
-	       dstStride,
-	       (pbox->x1 + dstXoff) * dstBpp,
-	       
-	       (pbox->x2 - pbox->x1) * dstBpp,
-	       (pbox->y2 - pbox->y1),
-	       
-	       alu,
-	       pm,
-	       dstBpp,
-	       
-	       reverse,
-	       upsidedown);
-#ifndef FB_ACCESS_WRAPPER
-    next:
-#endif
-	pbox++;
-    }    
-    fbFinishAccess (pDstDrawable);
-    fbFinishAccess (pSrcDrawable);
-}
-
-void
-fbCopy1toN (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    BoxPtr	pbox,
-	    int		nbox,
-	    int		dx,
-	    int		dy,
-	    Bool	reverse,
-	    Bool	upsidedown,
-	    Pixel	bitplane,
-	    void	*closure)
-{
-    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);
-    FbBits	*src;
-    FbStride	srcStride;
-    int		srcBpp;
-    int		srcXoff, srcYoff;
-    FbBits	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-
-    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
-    while (nbox--)
-    {
-	if (dstBpp == 1)
-	{
-	    fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
-		   srcStride,
-		   (pbox->x1 + dx + srcXoff) * srcBpp,
-    
-		   dst + (pbox->y1 + dstYoff) * dstStride,
-		   dstStride,
-		   (pbox->x1 + dstXoff) * dstBpp,
-    
-		   (pbox->x2 - pbox->x1) * dstBpp,
-		   (pbox->y2 - pbox->y1),
-    
-		   FbOpaqueStipple1Rop(pGC->alu,
-				       pGC->fgPixel,pGC->bgPixel),
-		   pPriv->pm,
-		   dstBpp,
-    
-		   reverse,
-		   upsidedown);
-	}
-	else
-	{
-	    fbBltOne ((FbStip *) (src + (pbox->y1 + dy + srcYoff) * srcStride),
-		      srcStride*(FB_UNIT/FB_STIP_UNIT),
-		      (pbox->x1 + dx + srcXoff),
-    
-		      dst + (pbox->y1 + dstYoff) * dstStride,
-		      dstStride,
-		      (pbox->x1 + dstXoff) * dstBpp,
-		      dstBpp,
-    
-		      (pbox->x2 - pbox->x1) * dstBpp,
-		      (pbox->y2 - pbox->y1),
-    
-		      pPriv->and, pPriv->xor,
-		      pPriv->bgand, pPriv->bgxor);
-	}
-	pbox++;
-    }
-
-    fbFinishAccess (pDstDrawable);
-    fbFinishAccess (pSrcDrawable);
-}
-
-void
-fbCopyNto1 (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    BoxPtr	pbox,
-	    int		nbox,
-	    int		dx,
-	    int		dy,
-	    Bool	reverse,
-	    Bool	upsidedown,
-	    Pixel	bitplane,
-	    void	*closure)
-{
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    
-    while (nbox--)
-    {
-	if (pDstDrawable->bitsPerPixel == 1)
-	{
-	    FbBits	*src;
-	    FbStride    srcStride;
-	    int		srcBpp;
-	    int		srcXoff, srcYoff;
-    
-	    FbStip	*dst;
-	    FbStride    dstStride;
-	    int		dstBpp;
-	    int		dstXoff, dstYoff;
-	    
-	    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-	    fbGetStipDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-	    fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride,
-			srcStride,
-			(pbox->x1 + dx + srcXoff) * srcBpp,
-			srcBpp,
-    
-			dst + (pbox->y1 + dstYoff) * dstStride,
-			dstStride,
-			(pbox->x1 + dstXoff) * dstBpp,
-    
-			(pbox->x2 - pbox->x1) * srcBpp,
-			(pbox->y2 - pbox->y1),
-    
-			(FbStip) pPriv->and, (FbStip) pPriv->xor,
-			(FbStip) pPriv->bgand, (FbStip) pPriv->bgxor,
-			bitplane);
-	    fbFinishAccess (pDstDrawable);
-	    fbFinishAccess (pSrcDrawable);
-	}
-	else
-	{
-	    FbBits	*src;
-	    FbStride    srcStride;
-	    int		srcBpp;
-	    int         srcXoff, srcYoff;
-
-	    FbBits	*dst;
-	    FbStride    dstStride;
-	    int		dstBpp;
-	    int		dstXoff, dstYoff;
-    
-	    FbStip	*tmp;
-	    FbStride    tmpStride;
-	    int		width, height;
-	    
-	    width = pbox->x2 - pbox->x1;
-	    height = pbox->y2 - pbox->y1;
-	    
-	    tmpStride = ((width + FB_STIP_MASK) >> FB_STIP_SHIFT);
-	    tmp = xalloc (tmpStride * height * sizeof (FbStip));
-	    if (!tmp)
-		return;
-	    
-	    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-	    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-	    
-	    fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride,
-			srcStride,
-			(pbox->x1 + dx + srcXoff) * srcBpp,
-			srcBpp,
-    
-			tmp,
-			tmpStride,
-			0,
-    
-			width * srcBpp,
-			height,
-    
-			fbAndStip(GXcopy,FB_ALLONES,FB_ALLONES),
-			fbXorStip(GXcopy,FB_ALLONES,FB_ALLONES),
-			fbAndStip(GXcopy,0,FB_ALLONES),
-			fbXorStip(GXcopy,0,FB_ALLONES),
-			bitplane);
-	    fbBltOne (tmp,
-		      tmpStride,
-		      0,
-    
-		      dst + (pbox->y1 + dstYoff) * dstStride,
-		      dstStride,
-		      (pbox->x1 + dstXoff) * dstBpp,
-		      dstBpp,
-    
-		      width * dstBpp,
-		      height,
-    
-		      pPriv->and, pPriv->xor,
-		      pPriv->bgand, pPriv->bgxor);
-	    xfree (tmp);
-
-	    fbFinishAccess (pDstDrawable);
-	    fbFinishAccess (pSrcDrawable);
-	}
-	pbox++;
-    }
-}
-
-RegionPtr
-fbCopyArea (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    int		xIn, 
-	    int		yIn,
-	    int		widthSrc, 
-	    int		heightSrc,
-	    int		xOut, 
-	    int		yOut)
-{
-    miCopyProc	copy;
-
-#ifdef FB_24_32BIT
-    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
-	copy = fb24_32CopyMtoN;
-    else
-#endif
-	copy = fbCopyNtoN;
-    return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
-		     widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
-}
-
-RegionPtr
-fbCopyPlane (DrawablePtr    pSrcDrawable,
-	     DrawablePtr    pDstDrawable,
-	     GCPtr	    pGC,
-	     int	    xIn, 
-	     int	    yIn,
-	     int	    widthSrc, 
-	     int	    heightSrc,
-	     int	    xOut, 
-	     int	    yOut,
-	     unsigned long  bitplane)
-{
-    if (pSrcDrawable->bitsPerPixel > 1)
-	return miDoCopy (pSrcDrawable, pDstDrawable, pGC,
-			 xIn, yIn, widthSrc, heightSrc,
-			 xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0);
-    else if (bitplane & 1)
-	return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
-			 widthSrc, heightSrc, xOut, yOut, fbCopy1toN,
-			 (Pixel) bitplane, 0);
-    else
-	return miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
-				 xIn, yIn,
-				 widthSrc,
-				 heightSrc,
-				 xOut, yOut, bitplane);
-}
+/*

+ * Copyright © 1998 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_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <stdlib.h>

+

+#include "fb.h"

+

+/* Compatibility wrapper, to be removed at next ABI change. */

+void

+fbCopyRegion (DrawablePtr   pSrcDrawable,

+             DrawablePtr   pDstDrawable,

+             GCPtr         pGC,

+             RegionPtr     pDstRegion,

+             int           dx,

+             int           dy,

+             fbCopyProc    copyProc,

+             Pixel         bitPlane,

+             void          *closure)

+{

+    miCopyRegion(pSrcDrawable, pDstDrawable, pGC, pDstRegion, dx, dy, copyProc, bitPlane, closure);

+}

+

+/* Compatibility wrapper, to be removed at next ABI change. */

+RegionPtr

+fbDoCopy (DrawablePtr  pSrcDrawable,

+         DrawablePtr   pDstDrawable,

+         GCPtr         pGC,

+         int           xIn,

+         int           yIn,

+         int           widthSrc,

+         int           heightSrc,

+         int           xOut,

+         int           yOut,

+         fbCopyProc    copyProc,

+         Pixel         bitPlane,

+         void          *closure)

+{

+    return miDoCopy(pSrcDrawable, pDstDrawable, pGC, xIn, yIn, widthSrc, heightSrc, xOut, yOut, copyProc, bitPlane, closure);

+}

+

+void

+fbCopyNtoN (DrawablePtr	pSrcDrawable,

+	    DrawablePtr	pDstDrawable,

+	    GCPtr	pGC,

+	    BoxPtr	pbox,

+	    int		nbox,

+	    int		dx,

+	    int		dy,

+	    Bool	reverse,

+	    Bool	upsidedown,

+	    Pixel	bitplane,

+	    void	*closure)

+{

+    CARD8	alu = pGC ? pGC->alu : GXcopy;

+    FbBits	pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES;

+    FbBits	*src;

+    FbStride	srcStride;

+    int		srcBpp;

+    int		srcXoff, srcYoff;

+    FbBits	*dst;

+    FbStride	dstStride;

+    int		dstBpp;

+    int		dstXoff, dstYoff;

+    

+    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);

+    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+

+    while (nbox--)

+    {

+#ifndef FB_ACCESS_WRAPPER /* pixman_blt() doesn't support accessors yet */

+	if (pm == FB_ALLONES && alu == GXcopy && !reverse &&

+	    !upsidedown)

+	{

+	    if (!pixman_blt ((uint32_t *)src, (uint32_t *)dst, srcStride, dstStride, srcBpp, dstBpp,

+			     (pbox->x1 + dx + srcXoff),

+			     (pbox->y1 + dy + srcYoff),

+			     (pbox->x1 + dstXoff),

+			     (pbox->y1 + dstYoff),

+			     (pbox->x2 - pbox->x1),

+			     (pbox->y2 - pbox->y1)))

+		goto fallback;

+	    else

+		goto next;

+	}

+    fallback:

+#endif

+	fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,

+	       srcStride,

+	       (pbox->x1 + dx + srcXoff) * srcBpp,

+	       

+	       dst + (pbox->y1 + dstYoff) * dstStride,

+	       dstStride,

+	       (pbox->x1 + dstXoff) * dstBpp,

+	       

+	       (pbox->x2 - pbox->x1) * dstBpp,

+	       (pbox->y2 - pbox->y1),

+	       

+	       alu,

+	       pm,

+	       dstBpp,

+	       

+	       reverse,

+	       upsidedown);

+#ifndef FB_ACCESS_WRAPPER

+    next:

+#endif

+	pbox++;

+    }    

+    fbFinishAccess (pDstDrawable);

+    fbFinishAccess (pSrcDrawable);

+}

+

+void

+fbCopy1toN (DrawablePtr	pSrcDrawable,

+	    DrawablePtr	pDstDrawable,

+	    GCPtr	pGC,

+	    BoxPtr	pbox,

+	    int		nbox,

+	    int		dx,

+	    int		dy,

+	    Bool	reverse,

+	    Bool	upsidedown,

+	    Pixel	bitplane,

+	    void	*closure)

+{

+    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);

+    FbBits	*src;

+    FbStride	srcStride;

+    int		srcBpp;

+    int		srcXoff, srcYoff;

+    FbBits	*dst;

+    FbStride	dstStride;

+    int		dstBpp;

+    int		dstXoff, dstYoff;

+

+    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);

+    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+

+    while (nbox--)

+    {

+	if (dstBpp == 1)

+	{

+	    fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,

+		   srcStride,

+		   (pbox->x1 + dx + srcXoff) * srcBpp,

+    

+		   dst + (pbox->y1 + dstYoff) * dstStride,

+		   dstStride,

+		   (pbox->x1 + dstXoff) * dstBpp,

+    

+		   (pbox->x2 - pbox->x1) * dstBpp,

+		   (pbox->y2 - pbox->y1),

+    

+		   FbOpaqueStipple1Rop(pGC->alu,

+				       pGC->fgPixel,pGC->bgPixel),

+		   pPriv->pm,

+		   dstBpp,

+    

+		   reverse,

+		   upsidedown);

+	}

+	else

+	{

+	    fbBltOne ((FbStip *) (src + (pbox->y1 + dy + srcYoff) * srcStride),

+		      srcStride*(FB_UNIT/FB_STIP_UNIT),

+		      (pbox->x1 + dx + srcXoff),

+    

+		      dst + (pbox->y1 + dstYoff) * dstStride,

+		      dstStride,

+		      (pbox->x1 + dstXoff) * dstBpp,

+		      dstBpp,

+    

+		      (pbox->x2 - pbox->x1) * dstBpp,

+		      (pbox->y2 - pbox->y1),

+    

+		      pPriv->and, pPriv->xor,

+		      pPriv->bgand, pPriv->bgxor);

+	}

+	pbox++;

+    }

+

+    fbFinishAccess (pDstDrawable);

+    fbFinishAccess (pSrcDrawable);

+}

+

+void

+fbCopyNto1 (DrawablePtr	pSrcDrawable,

+	    DrawablePtr	pDstDrawable,

+	    GCPtr	pGC,

+	    BoxPtr	pbox,

+	    int		nbox,

+	    int		dx,

+	    int		dy,

+	    Bool	reverse,

+	    Bool	upsidedown,

+	    Pixel	bitplane,

+	    void	*closure)

+{

+    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);

+    

+    while (nbox--)

+    {

+	if (pDstDrawable->bitsPerPixel == 1)

+	{

+	    FbBits	*src;

+	    FbStride    srcStride;

+	    int		srcBpp;

+	    int		srcXoff, srcYoff;

+    

+	    FbStip	*dst;

+	    FbStride    dstStride;

+	    int		dstBpp;

+	    int		dstXoff, dstYoff;

+	    

+	    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);

+	    fbGetStipDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+	    fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride,

+			srcStride,

+			(pbox->x1 + dx + srcXoff) * srcBpp,

+			srcBpp,

+    

+			dst + (pbox->y1 + dstYoff) * dstStride,

+			dstStride,

+			(pbox->x1 + dstXoff) * dstBpp,

+    

+			(pbox->x2 - pbox->x1) * srcBpp,

+			(pbox->y2 - pbox->y1),

+    

+			(FbStip) pPriv->and, (FbStip) pPriv->xor,

+			(FbStip) pPriv->bgand, (FbStip) pPriv->bgxor,

+			bitplane);

+	    fbFinishAccess (pDstDrawable);

+	    fbFinishAccess (pSrcDrawable);

+	}

+	else

+	{

+	    FbBits	*src;

+	    FbStride    srcStride;

+	    int		srcBpp;

+	    int         srcXoff, srcYoff;

+

+	    FbBits	*dst;

+	    FbStride    dstStride;

+	    int		dstBpp;

+	    int		dstXoff, dstYoff;

+    

+	    FbStip	*tmp;

+	    FbStride    tmpStride;

+	    int		width, height;

+	    

+	    width = pbox->x2 - pbox->x1;

+	    height = pbox->y2 - pbox->y1;

+	    

+	    tmpStride = ((width + FB_STIP_MASK) >> FB_STIP_SHIFT);

+	    tmp = malloc(tmpStride * height * sizeof (FbStip));

+	    if (!tmp)

+		return;

+	    

+	    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);

+	    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+	    

+	    fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride,

+			srcStride,

+			(pbox->x1 + dx + srcXoff) * srcBpp,

+			srcBpp,

+    

+			tmp,

+			tmpStride,

+			0,

+    

+			width * srcBpp,

+			height,

+    

+			fbAndStip(GXcopy,FB_ALLONES,FB_ALLONES),

+			fbXorStip(GXcopy,FB_ALLONES,FB_ALLONES),

+			fbAndStip(GXcopy,0,FB_ALLONES),

+			fbXorStip(GXcopy,0,FB_ALLONES),

+			bitplane);

+	    fbBltOne (tmp,

+		      tmpStride,

+		      0,

+    

+		      dst + (pbox->y1 + dstYoff) * dstStride,

+		      dstStride,

+		      (pbox->x1 + dstXoff) * dstBpp,

+		      dstBpp,

+    

+		      width * dstBpp,

+		      height,

+    

+		      pPriv->and, pPriv->xor,

+		      pPriv->bgand, pPriv->bgxor);

+	    free(tmp);

+

+	    fbFinishAccess (pDstDrawable);

+	    fbFinishAccess (pSrcDrawable);

+	}

+	pbox++;

+    }

+}

+

+RegionPtr

+fbCopyArea (DrawablePtr	pSrcDrawable,

+	    DrawablePtr	pDstDrawable,

+	    GCPtr	pGC,

+	    int		xIn, 

+	    int		yIn,

+	    int		widthSrc, 

+	    int		heightSrc,

+	    int		xOut, 

+	    int		yOut)

+{

+    miCopyProc	copy;

+

+#ifdef FB_24_32BIT

+    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)

+	copy = fb24_32CopyMtoN;

+    else

+#endif

+	copy = fbCopyNtoN;

+    return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,

+		     widthSrc, heightSrc, xOut, yOut, copy, 0, 0);

+}

+

+RegionPtr

+fbCopyPlane (DrawablePtr    pSrcDrawable,

+	     DrawablePtr    pDstDrawable,

+	     GCPtr	    pGC,

+	     int	    xIn, 

+	     int	    yIn,

+	     int	    widthSrc, 

+	     int	    heightSrc,

+	     int	    xOut, 

+	     int	    yOut,

+	     unsigned long  bitplane)

+{

+    if (pSrcDrawable->bitsPerPixel > 1)

+	return miDoCopy (pSrcDrawable, pDstDrawable, pGC,

+			 xIn, yIn, widthSrc, heightSrc,

+			 xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0);

+    else if (bitplane & 1)

+	return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,

+			 widthSrc, heightSrc, xOut, yOut, fbCopy1toN,

+			 (Pixel) bitplane, 0);

+    else

+	return miHandleExposures(pSrcDrawable, pDstDrawable, pGC,

+				 xIn, yIn,

+				 widthSrc,

+				 heightSrc,

+				 xOut, yOut, bitplane);

+}

diff --git a/xorg-server/fb/fboverlay.c b/xorg-server/fb/fboverlay.c
index 99939e8bf..f14187cba 100644
--- a/xorg-server/fb/fboverlay.c
+++ b/xorg-server/fb/fboverlay.c
@@ -1,437 +1,437 @@
-/*
- *
- * Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  SuSE makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * 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.
- *
- * Author:  Keith Packard, SuSE, Inc.
- */
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "fb.h"
-#include "fboverlay.h"
-#include "shmint.h"
-
-static int fbOverlayScreenPrivateKeyIndex;
-static DevPrivateKey fbOverlayScreenPrivateKey = &fbOverlayScreenPrivateKeyIndex;
-
-DevPrivateKey fbOverlayGetScreenPrivateKey(void)
-{
-    return fbOverlayScreenPrivateKey;
-}
-
-/*
- * Replace this if you want something supporting
- * multiple overlays with the same depth
- */
-Bool
-fbOverlayCreateWindow(WindowPtr pWin)
-{
-    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
-    int			i;
-    PixmapPtr		pPixmap;
-    
-    if (pWin->drawable.class != InputOutput)
-	return TRUE;
-
-#ifdef FB_SCREEN_PRIVATE
-    if (pWin->drawable.bitsPerPixel == 32)
-	pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
-#endif
-
-    for (i = 0; i < pScrPriv->nlayers; i++)
-    {
-	pPixmap = pScrPriv->layer[i].u.run.pixmap;
-	if (pWin->drawable.depth == pPixmap->drawable.depth)
-	{
-	    dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap);
-	    /*
-	     * Make sure layer keys are written correctly by
-	     * having non-root layers set to full while the
-	     * root layer is set to empty.  This will cause
-	     * all of the layers to get painted when the root
-	     * is mapped
-	     */
-	    if (!pWin->parent)
-	    {
-		REGION_EMPTY (pWin->drawable.pScreen,
-			      &pScrPriv->layer[i].u.run.region);
-	    }
-	    return TRUE;
-	}
-    }
-    return FALSE;
-}
-
-Bool
-fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen)
-{
-    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pScreen);
-    int			i;
-
-    for (i = 0; i < pScrPriv->nlayers; i++)
-    {
-	(*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap);
-	REGION_UNINIT (pScreen, &pScrPriv->layer[i].u.run.region);
-    }
-    return TRUE;
-}
-
-/*
- * Return layer containing this window
- */
-int
-fbOverlayWindowLayer(WindowPtr pWin)
-{
-    FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
-    int                 i;
-
-    for (i = 0; i < pScrPriv->nlayers; i++)
-	if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) ==
-	    (pointer) pScrPriv->layer[i].u.run.pixmap)
-	    return i;
-    return 0;
-}
-
-Bool
-fbOverlayCreateScreenResources(ScreenPtr pScreen)
-{
-    int			i;
-    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pScreen);
-    PixmapPtr		pPixmap;
-    pointer		pbits;
-    int			width;
-    int			depth;
-    BoxRec		box;
-    
-    if (!miCreateScreenResources(pScreen))
-	return FALSE;
-
-    box.x1 = 0;
-    box.y1 = 0;
-    box.x2 = pScreen->width;
-    box.y2 = pScreen->height;
-    for (i = 0; i < pScrPriv->nlayers; i++)
-    {
-	pbits = pScrPriv->layer[i].u.init.pbits;
-	width = pScrPriv->layer[i].u.init.width;
-	depth = pScrPriv->layer[i].u.init.depth;
-	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
-	if (!pPixmap)
-	    return FALSE;
-	if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
-					    pScreen->height, depth,
-					    BitsPerPixel(depth),
-					    PixmapBytePad(width, depth),
-					    pbits))
-	    return FALSE;
-	pScrPriv->layer[i].u.run.pixmap = pPixmap;
-	REGION_INIT(pScreen, &pScrPriv->layer[i].u.run.region, &box, 0);
-    }
-    pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap;
-    return TRUE;
-}
-
-void
-fbOverlayPaintKey (DrawablePtr	pDrawable,
-		   RegionPtr	pRegion,
-		   CARD32	pixel,
-		   int		layer)
-{
-    fbFillRegionSolid (pDrawable, pRegion, 0, 
-		       fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
-}
-
-/*
- * Track visible region for each layer
- */
-void
-fbOverlayUpdateLayerRegion (ScreenPtr	pScreen,
-			    int		layer,
-			    RegionPtr	prgn)
-{
-    FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
-    int			i;
-    RegionRec		rgnNew;
-    
-    if (!prgn || !REGION_NOTEMPTY(pScreen, prgn))
-	return;
-    for (i = 0; i < pScrPriv->nlayers; i++)
-    {
-	if (i == layer)
-	{
-	    /* add new piece to this fb */
-	    REGION_UNION (pScreen,
-			  &pScrPriv->layer[i].u.run.region,
-			  &pScrPriv->layer[i].u.run.region,
-			  prgn);
-	}
-	else if (REGION_NOTEMPTY (pScreen, 
-				  &pScrPriv->layer[i].u.run.region))
-	{
-	    /* paint new piece with chroma key */
-	    REGION_NULL (pScreen, &rgnNew);
-	    REGION_INTERSECT (pScreen,
-			      &rgnNew, 
-			      prgn, 
-			      &pScrPriv->layer[i].u.run.region);
-	    (*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable,
-				   &rgnNew,
-				   pScrPriv->layer[i].key,
-				   i);
-	    REGION_UNINIT(pScreen, &rgnNew);
-	    /* remove piece from other fbs */
-	    REGION_SUBTRACT (pScreen,
-			     &pScrPriv->layer[i].u.run.region,
-			     &pScrPriv->layer[i].u.run.region,
-			     prgn);
-	}
-    }
-}
-
-/*
- * Copy only areas in each layer containing real bits
- */
-void
-fbOverlayCopyWindow(WindowPtr	pWin,
-		    DDXPointRec	ptOldOrg,
-		    RegionPtr	prgnSrc)
-{
-    ScreenPtr		pScreen = pWin->drawable.pScreen;
-    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
-    RegionRec		rgnDst;
-    int			dx, dy;
-    int			i;
-    RegionRec		layerRgn[FB_OVERLAY_MAX];
-    PixmapPtr		pPixmap;
-
-    dx = ptOldOrg.x - pWin->drawable.x;
-    dy = ptOldOrg.y - pWin->drawable.y;
-
-    /*
-     * Clip to existing bits
-     */
-    REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
-    REGION_NULL (pScreen, &rgnDst);
-    REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
-    REGION_TRANSLATE(pScreen, &rgnDst, dx, dy);
-    /*
-     * Compute the portion of each fb affected by this copy
-     */
-    for (i = 0; i < pScrPriv->nlayers; i++)
-    {
-	REGION_NULL (pScreen, &layerRgn[i]);
-	REGION_INTERSECT(pScreen, &layerRgn[i], &rgnDst,
-			 &pScrPriv->layer[i].u.run.region);
-	if (REGION_NOTEMPTY (pScreen, &layerRgn[i]))
-	{
-	    REGION_TRANSLATE(pScreen, &layerRgn[i], -dx, -dy);
-	    pPixmap = pScrPriv->layer[i].u.run.pixmap;
-	    miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
-			  0,
-			  &layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0,
-			  (void *)(long) i);
-	}
-    }
-    /*
-     * Update regions
-     */
-    for (i = 0; i < pScrPriv->nlayers; i++)
-    {
-	if (REGION_NOTEMPTY (pScreen, &layerRgn[i]))
-	    fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]);
-
-	REGION_UNINIT(pScreen, &layerRgn[i]);
-    }
-    REGION_UNINIT(pScreen, &rgnDst);
-}   
-
-void
-fbOverlayWindowExposures (WindowPtr	pWin,
-			  RegionPtr	prgn,
-			  RegionPtr	other_exposed)
-{
-    fbOverlayUpdateLayerRegion (pWin->drawable.pScreen,
-				fbOverlayWindowLayer (pWin),
-				prgn);
-    miWindowExposures(pWin, prgn, other_exposed);
-}
-
-Bool
-fbOverlaySetupScreen(ScreenPtr	pScreen,
-		     pointer	pbits1,
-		     pointer	pbits2,
-		     int	xsize,
-		     int	ysize,
-		     int	dpix,
-		     int	dpiy,
-		     int	width1,
-		     int	width2,
-		     int	bpp1,
-		     int	bpp2)
-{
-    return fbSetupScreen (pScreen,
-			  pbits1,
-			  xsize,
-			  ysize,
-			  dpix,
-			  dpiy,
-			  width1,
-			  bpp1);
-}
-
-static Bool
-fb24_32OverlayCreateScreenResources(ScreenPtr pScreen)
-{
-    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pScreen);
-    int pitch;
-    Bool retval;
-    int i;
-
-    if((retval = fbOverlayCreateScreenResources(pScreen))) {
-	for (i = 0; i < pScrPriv->nlayers; i++)
-	{
-	    /* fix the screen pixmap */
-	    PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap;
-	    if (pPix->drawable.bitsPerPixel == 32) {
-		pPix->drawable.bitsPerPixel = 24;
-		pitch = BitmapBytePad(pPix->drawable.width * 24);
-		pPix->devKind = pitch;
-	    }
-	}
-    }
-
-    return retval;
-}
-
-Bool
-fbOverlayFinishScreenInit(ScreenPtr	pScreen,
-			  pointer	pbits1,
-			  pointer	pbits2,
-			  int		xsize,
-			  int		ysize,
-			  int		dpix,
-			  int		dpiy,
-			  int		width1,
-			  int		width2,
-			  int		bpp1,
-			  int		bpp2,
-			  int		depth1,
-			  int		depth2)
-{
-    VisualPtr	visuals;
-    DepthPtr	depths;
-    int		nvisuals;
-    int		ndepths;
-    int		bpp = 0, imagebpp = 32;
-    VisualID	defaultVisual;
-    FbOverlayScrPrivPtr	pScrPriv;
-
-    pScrPriv = xalloc (sizeof (FbOverlayScrPrivRec));
-    if (!pScrPriv)
-	return FALSE;
- 
-#ifdef FB_24_32BIT
-    if (bpp1 == 32 || bpp2 == 32)
-	bpp = 32;
-    else if (bpp1 == 24 || bpp2 == 24)
-	bpp = 24;
-
-    if (bpp == 24)
-    {
-	int	f;
-	
-	imagebpp = 32;
-	/*
-	 * Check to see if we're advertising a 24bpp image format,
-	 * in which case windows will use it in preference to a 32 bit
-	 * format.
-	 */
-	for (f = 0; f < screenInfo.numPixmapFormats; f++)
-	{
-	    if (screenInfo.formats[f].bitsPerPixel == 24)
-	    {
-		imagebpp = 24;
-		break;
-	    }
-	}	    
-    }
-#endif
-#ifdef FB_SCREEN_PRIVATE
-    if (imagebpp == 32)
-    {
-	fbGetScreenPrivate(pScreen)->win32bpp = bpp;
-	fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
-    }
-    else
-    {
-	fbGetScreenPrivate(pScreen)->win32bpp = 32;
-	fbGetScreenPrivate(pScreen)->pix32bpp = 32;
-    }
-#endif
-   
-    if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1,
-			&defaultVisual, ((unsigned long)1<<(bpp1-1)) |
-			((unsigned long)1<<(bpp2-1)), 8))
-	return FALSE;
-    if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0,
-			depth1, ndepths, depths,
-			defaultVisual, nvisuals, visuals))
-	return FALSE;
-    /* MI thinks there's no frame buffer */
-#ifdef MITSHM
-    ShmRegisterFbFuncs(pScreen);
-#endif
-    pScreen->minInstalledCmaps = 1;
-    pScreen->maxInstalledCmaps = 2;
-    
-    pScrPriv->nlayers = 2;
-    pScrPriv->PaintKey = fbOverlayPaintKey;
-    pScrPriv->CopyWindow = fbCopyWindowProc;
-    pScrPriv->layer[0].u.init.pbits = pbits1;
-    pScrPriv->layer[0].u.init.width = width1;
-    pScrPriv->layer[0].u.init.depth = depth1;
-
-    pScrPriv->layer[1].u.init.pbits = pbits2;
-    pScrPriv->layer[1].u.init.width = width2;
-    pScrPriv->layer[1].u.init.depth = depth2;
-    
-    dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv);
-    
-    /* overwrite miCloseScreen with our own */
-    pScreen->CloseScreen = fbOverlayCloseScreen;
-    pScreen->CreateScreenResources = fbOverlayCreateScreenResources;
-    pScreen->CreateWindow = fbOverlayCreateWindow;
-    pScreen->WindowExposures = fbOverlayWindowExposures;
-    pScreen->CopyWindow = fbOverlayCopyWindow;
-#ifdef FB_24_32BIT
-    if (bpp == 24 && imagebpp == 32)
-    {
-	pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
-  	pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources;
-    }
-#endif
-
-    return TRUE;
-}
+/*

+ *

+ * Copyright © 2000 SuSE, Inc.

+ *

+ * Permission to use, copy, modify, distribute, and sell this software and its

+ * documentation for any purpose is hereby granted without fee, provided that

+ * the above copyright notice appear in all copies and that both that

+ * copyright notice and this permission notice appear in supporting

+ * documentation, and that the name of SuSE not be used in advertising or

+ * publicity pertaining to distribution of the software without specific,

+ * written prior permission.  SuSE makes no representations about the

+ * suitability of this software for any purpose.  It is provided "as is"

+ * without express or implied warranty.

+ *

+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL

+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE

+ * 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.

+ *

+ * Author:  Keith Packard, SuSE, Inc.

+ */

+

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <stdlib.h>

+

+#include "fb.h"

+#include "fboverlay.h"

+#include "shmint.h"

+

+static int fbOverlayScreenPrivateKeyIndex;

+static DevPrivateKey fbOverlayScreenPrivateKey = &fbOverlayScreenPrivateKeyIndex;

+

+DevPrivateKey fbOverlayGetScreenPrivateKey(void)

+{

+    return fbOverlayScreenPrivateKey;

+}

+

+/*

+ * Replace this if you want something supporting

+ * multiple overlays with the same depth

+ */

+Bool

+fbOverlayCreateWindow(WindowPtr pWin)

+{

+    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);

+    int			i;

+    PixmapPtr		pPixmap;

+    

+    if (pWin->drawable.class != InputOutput)

+	return TRUE;

+

+#ifdef FB_SCREEN_PRIVATE

+    if (pWin->drawable.bitsPerPixel == 32)

+	pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;

+#endif

+

+    for (i = 0; i < pScrPriv->nlayers; i++)

+    {

+	pPixmap = pScrPriv->layer[i].u.run.pixmap;

+	if (pWin->drawable.depth == pPixmap->drawable.depth)

+	{

+	    dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap);

+	    /*

+	     * Make sure layer keys are written correctly by

+	     * having non-root layers set to full while the

+	     * root layer is set to empty.  This will cause

+	     * all of the layers to get painted when the root

+	     * is mapped

+	     */

+	    if (!pWin->parent)

+	    {

+		REGION_EMPTY (pWin->drawable.pScreen,

+			      &pScrPriv->layer[i].u.run.region);

+	    }

+	    return TRUE;

+	}

+    }

+    return FALSE;

+}

+

+Bool

+fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen)

+{

+    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pScreen);

+    int			i;

+

+    for (i = 0; i < pScrPriv->nlayers; i++)

+    {

+	(*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap);

+	REGION_UNINIT (pScreen, &pScrPriv->layer[i].u.run.region);

+    }

+    return TRUE;

+}

+

+/*

+ * Return layer containing this window

+ */

+int

+fbOverlayWindowLayer(WindowPtr pWin)

+{

+    FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);

+    int                 i;

+

+    for (i = 0; i < pScrPriv->nlayers; i++)

+	if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) ==

+	    (pointer) pScrPriv->layer[i].u.run.pixmap)

+	    return i;

+    return 0;

+}

+

+Bool

+fbOverlayCreateScreenResources(ScreenPtr pScreen)

+{

+    int			i;

+    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pScreen);

+    PixmapPtr		pPixmap;

+    pointer		pbits;

+    int			width;

+    int			depth;

+    BoxRec		box;

+    

+    if (!miCreateScreenResources(pScreen))

+	return FALSE;

+

+    box.x1 = 0;

+    box.y1 = 0;

+    box.x2 = pScreen->width;

+    box.y2 = pScreen->height;

+    for (i = 0; i < pScrPriv->nlayers; i++)

+    {

+	pbits = pScrPriv->layer[i].u.init.pbits;

+	width = pScrPriv->layer[i].u.init.width;

+	depth = pScrPriv->layer[i].u.init.depth;

+	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);

+	if (!pPixmap)

+	    return FALSE;

+	if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,

+					    pScreen->height, depth,

+					    BitsPerPixel(depth),

+					    PixmapBytePad(width, depth),

+					    pbits))

+	    return FALSE;

+	pScrPriv->layer[i].u.run.pixmap = pPixmap;

+	REGION_INIT(pScreen, &pScrPriv->layer[i].u.run.region, &box, 0);

+    }

+    pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap;

+    return TRUE;

+}

+

+void

+fbOverlayPaintKey (DrawablePtr	pDrawable,

+		   RegionPtr	pRegion,

+		   CARD32	pixel,

+		   int		layer)

+{

+    fbFillRegionSolid (pDrawable, pRegion, 0, 

+		       fbReplicatePixel (pixel, pDrawable->bitsPerPixel));

+}

+

+/*

+ * Track visible region for each layer

+ */

+void

+fbOverlayUpdateLayerRegion (ScreenPtr	pScreen,

+			    int		layer,

+			    RegionPtr	prgn)

+{

+    FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);

+    int			i;

+    RegionRec		rgnNew;

+    

+    if (!prgn || !REGION_NOTEMPTY(pScreen, prgn))

+	return;

+    for (i = 0; i < pScrPriv->nlayers; i++)

+    {

+	if (i == layer)

+	{

+	    /* add new piece to this fb */

+	    REGION_UNION (pScreen,

+			  &pScrPriv->layer[i].u.run.region,

+			  &pScrPriv->layer[i].u.run.region,

+			  prgn);

+	}

+	else if (REGION_NOTEMPTY (pScreen, 

+				  &pScrPriv->layer[i].u.run.region))

+	{

+	    /* paint new piece with chroma key */

+	    REGION_NULL (pScreen, &rgnNew);

+	    REGION_INTERSECT (pScreen,

+			      &rgnNew, 

+			      prgn, 

+			      &pScrPriv->layer[i].u.run.region);

+	    (*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable,

+				   &rgnNew,

+				   pScrPriv->layer[i].key,

+				   i);

+	    REGION_UNINIT(pScreen, &rgnNew);

+	    /* remove piece from other fbs */

+	    REGION_SUBTRACT (pScreen,

+			     &pScrPriv->layer[i].u.run.region,

+			     &pScrPriv->layer[i].u.run.region,

+			     prgn);

+	}

+    }

+}

+

+/*

+ * Copy only areas in each layer containing real bits

+ */

+void

+fbOverlayCopyWindow(WindowPtr	pWin,

+		    DDXPointRec	ptOldOrg,

+		    RegionPtr	prgnSrc)

+{

+    ScreenPtr		pScreen = pWin->drawable.pScreen;

+    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);

+    RegionRec		rgnDst;

+    int			dx, dy;

+    int			i;

+    RegionRec		layerRgn[FB_OVERLAY_MAX];

+    PixmapPtr		pPixmap;

+

+    dx = ptOldOrg.x - pWin->drawable.x;

+    dy = ptOldOrg.y - pWin->drawable.y;

+

+    /*

+     * Clip to existing bits

+     */

+    REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);

+    REGION_NULL (pScreen, &rgnDst);

+    REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);

+    REGION_TRANSLATE(pScreen, &rgnDst, dx, dy);

+    /*

+     * Compute the portion of each fb affected by this copy

+     */

+    for (i = 0; i < pScrPriv->nlayers; i++)

+    {

+	REGION_NULL (pScreen, &layerRgn[i]);

+	REGION_INTERSECT(pScreen, &layerRgn[i], &rgnDst,

+			 &pScrPriv->layer[i].u.run.region);

+	if (REGION_NOTEMPTY (pScreen, &layerRgn[i]))

+	{

+	    REGION_TRANSLATE(pScreen, &layerRgn[i], -dx, -dy);

+	    pPixmap = pScrPriv->layer[i].u.run.pixmap;

+	    miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,

+			  0,

+			  &layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0,

+			  (void *)(long) i);

+	}

+    }

+    /*

+     * Update regions

+     */

+    for (i = 0; i < pScrPriv->nlayers; i++)

+    {

+	if (REGION_NOTEMPTY (pScreen, &layerRgn[i]))

+	    fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]);

+

+	REGION_UNINIT(pScreen, &layerRgn[i]);

+    }

+    REGION_UNINIT(pScreen, &rgnDst);

+}   

+

+void

+fbOverlayWindowExposures (WindowPtr	pWin,

+			  RegionPtr	prgn,

+			  RegionPtr	other_exposed)

+{

+    fbOverlayUpdateLayerRegion (pWin->drawable.pScreen,

+				fbOverlayWindowLayer (pWin),

+				prgn);

+    miWindowExposures(pWin, prgn, other_exposed);

+}

+

+Bool

+fbOverlaySetupScreen(ScreenPtr	pScreen,

+		     pointer	pbits1,

+		     pointer	pbits2,

+		     int	xsize,

+		     int	ysize,

+		     int	dpix,

+		     int	dpiy,

+		     int	width1,

+		     int	width2,

+		     int	bpp1,

+		     int	bpp2)

+{

+    return fbSetupScreen (pScreen,

+			  pbits1,

+			  xsize,

+			  ysize,

+			  dpix,

+			  dpiy,

+			  width1,

+			  bpp1);

+}

+

+static Bool

+fb24_32OverlayCreateScreenResources(ScreenPtr pScreen)

+{

+    FbOverlayScrPrivPtr	pScrPriv = fbOverlayGetScrPriv(pScreen);

+    int pitch;

+    Bool retval;

+    int i;

+

+    if((retval = fbOverlayCreateScreenResources(pScreen))) {

+	for (i = 0; i < pScrPriv->nlayers; i++)

+	{

+	    /* fix the screen pixmap */

+	    PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap;

+	    if (pPix->drawable.bitsPerPixel == 32) {

+		pPix->drawable.bitsPerPixel = 24;

+		pitch = BitmapBytePad(pPix->drawable.width * 24);

+		pPix->devKind = pitch;

+	    }

+	}

+    }

+

+    return retval;

+}

+

+Bool

+fbOverlayFinishScreenInit(ScreenPtr	pScreen,

+			  pointer	pbits1,

+			  pointer	pbits2,

+			  int		xsize,

+			  int		ysize,

+			  int		dpix,

+			  int		dpiy,

+			  int		width1,

+			  int		width2,

+			  int		bpp1,

+			  int		bpp2,

+			  int		depth1,

+			  int		depth2)

+{

+    VisualPtr	visuals;

+    DepthPtr	depths;

+    int		nvisuals;

+    int		ndepths;

+    int		bpp = 0, imagebpp = 32;

+    VisualID	defaultVisual;

+    FbOverlayScrPrivPtr	pScrPriv;

+

+    pScrPriv = malloc(sizeof (FbOverlayScrPrivRec));

+    if (!pScrPriv)

+	return FALSE;

+ 

+#ifdef FB_24_32BIT

+    if (bpp1 == 32 || bpp2 == 32)

+	bpp = 32;

+    else if (bpp1 == 24 || bpp2 == 24)

+	bpp = 24;

+

+    if (bpp == 24)

+    {

+	int	f;

+	

+	imagebpp = 32;

+	/*

+	 * Check to see if we're advertising a 24bpp image format,

+	 * in which case windows will use it in preference to a 32 bit

+	 * format.

+	 */

+	for (f = 0; f < screenInfo.numPixmapFormats; f++)

+	{

+	    if (screenInfo.formats[f].bitsPerPixel == 24)

+	    {

+		imagebpp = 24;

+		break;

+	    }

+	}	    

+    }

+#endif

+#ifdef FB_SCREEN_PRIVATE

+    if (imagebpp == 32)

+    {

+	fbGetScreenPrivate(pScreen)->win32bpp = bpp;

+	fbGetScreenPrivate(pScreen)->pix32bpp = bpp;

+    }

+    else

+    {

+	fbGetScreenPrivate(pScreen)->win32bpp = 32;

+	fbGetScreenPrivate(pScreen)->pix32bpp = 32;

+    }

+#endif

+   

+    if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1,

+			&defaultVisual, ((unsigned long)1<<(bpp1-1)) |

+			((unsigned long)1<<(bpp2-1)), 8))

+	return FALSE;

+    if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0,

+			depth1, ndepths, depths,

+			defaultVisual, nvisuals, visuals))

+	return FALSE;

+    /* MI thinks there's no frame buffer */

+#ifdef MITSHM

+    ShmRegisterFbFuncs(pScreen);

+#endif

+    pScreen->minInstalledCmaps = 1;

+    pScreen->maxInstalledCmaps = 2;

+    

+    pScrPriv->nlayers = 2;

+    pScrPriv->PaintKey = fbOverlayPaintKey;

+    pScrPriv->CopyWindow = fbCopyWindowProc;

+    pScrPriv->layer[0].u.init.pbits = pbits1;

+    pScrPriv->layer[0].u.init.width = width1;

+    pScrPriv->layer[0].u.init.depth = depth1;

+

+    pScrPriv->layer[1].u.init.pbits = pbits2;

+    pScrPriv->layer[1].u.init.width = width2;

+    pScrPriv->layer[1].u.init.depth = depth2;

+    

+    dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv);

+    

+    /* overwrite miCloseScreen with our own */

+    pScreen->CloseScreen = fbOverlayCloseScreen;

+    pScreen->CreateScreenResources = fbOverlayCreateScreenResources;

+    pScreen->CreateWindow = fbOverlayCreateWindow;

+    pScreen->WindowExposures = fbOverlayWindowExposures;

+    pScreen->CopyWindow = fbOverlayCopyWindow;

+#ifdef FB_24_32BIT

+    if (bpp == 24 && imagebpp == 32)

+    {

+	pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;

+  	pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources;

+    }

+#endif

+

+    return TRUE;

+}

diff --git a/xorg-server/fb/fbpixmap.c b/xorg-server/fb/fbpixmap.c
index c4c2c4aa7..4714ef22e 100644
--- a/xorg-server/fb/fbpixmap.c
+++ b/xorg-server/fb/fbpixmap.c
@@ -1,383 +1,383 @@
-/*
- * Copyright © 1998 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "fb.h"
-
-PixmapPtr
-fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
-		   unsigned usage_hint)
-{
-    PixmapPtr	pPixmap;
-    size_t	datasize;
-    size_t	paddedWidth;
-    int		adjust;
-    int		base;
-
-    paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits);
-    if (paddedWidth / 4 > 32767 || height > 32767)
-	return NullPixmap;
-    datasize = height * paddedWidth;
-    base = pScreen->totalPixmapSize;
-    adjust = 0;
-    if (base & 7)
-	adjust = 8 - (base & 7);
-    datasize += adjust;
-#ifdef FB_DEBUG
-    datasize += 2 * paddedWidth;
-#endif
-    pPixmap = AllocatePixmap(pScreen, datasize);
-    if (!pPixmap)
-	return NullPixmap;
-    pPixmap->drawable.type = DRAWABLE_PIXMAP;
-    pPixmap->drawable.class = 0;
-    pPixmap->drawable.pScreen = pScreen;
-    pPixmap->drawable.depth = depth;
-    pPixmap->drawable.bitsPerPixel = bpp;
-    pPixmap->drawable.id = 0;
-    pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-    pPixmap->drawable.x = 0;
-    pPixmap->drawable.y = 0;
-    pPixmap->drawable.width = width;
-    pPixmap->drawable.height = height;
-    pPixmap->devKind = paddedWidth;
-    pPixmap->refcnt = 1;
-    pPixmap->devPrivate.ptr = (pointer) ((char *)pPixmap + base + adjust);
-#ifdef FB_DEBUG
-    pPixmap->devPrivate.ptr = (void *) ((char *) pPixmap->devPrivate.ptr + paddedWidth);
-    fbInitializeDrawable (&pPixmap->drawable);
-#endif
-
-#ifdef COMPOSITE
-    pPixmap->screen_x = 0;
-    pPixmap->screen_y = 0;
-#endif
-
-    pPixmap->usage_hint = usage_hint;
-
-    return pPixmap;
-}
-
-PixmapPtr
-fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,
-		unsigned usage_hint)
-{
-    int	bpp;
-    bpp = BitsPerPixel (depth);
-#ifdef FB_SCREEN_PRIVATE
-    if (bpp == 32 && depth <= 24)
-	bpp = fbGetScreenPrivate(pScreen)->pix32bpp;
-#endif
-    return fbCreatePixmapBpp (pScreen, width, height, depth, bpp, usage_hint);
-}
-
-Bool
-fbDestroyPixmap (PixmapPtr pPixmap)
-{
-    if(--pPixmap->refcnt)
-	return TRUE;
-    dixFreePrivates(pPixmap->devPrivates);
-    xfree(pPixmap);
-    return TRUE;
-}
-
-#define ADDRECT(reg,r,fr,rx1,ry1,rx2,ry2)			\
-if (((rx1) < (rx2)) && ((ry1) < (ry2)) &&			\
-    (!((reg)->data->numRects &&					\
-       ((r-1)->y1 == (ry1)) &&					\
-       ((r-1)->y2 == (ry2)) &&					\
-       ((r-1)->x1 <= (rx1)) &&					\
-       ((r-1)->x2 >= (rx2)))))					\
-{								\
-    if ((reg)->data->numRects == (reg)->data->size)		\
-    {								\
-	miRectAlloc(reg, 1);					\
-	fr = REGION_BOXPTR(reg);				\
-	r = fr + (reg)->data->numRects;				\
-    }								\
-    r->x1 = (rx1);						\
-    r->y1 = (ry1);						\
-    r->x2 = (rx2);						\
-    r->y2 = (ry2);						\
-    (reg)->data->numRects++;					\
-    if(r->x1 < (reg)->extents.x1)				\
-	(reg)->extents.x1 = r->x1;				\
-    if(r->x2 > (reg)->extents.x2)				\
-	(reg)->extents.x2 = r->x2;				\
-    r++;							\
-}
-
-/* Convert bitmap clip mask into clipping region. 
- * First, goes through each line and makes boxes by noting the transitions
- * from 0 to 1 and 1 to 0.
- * Then it coalesces the current line with the previous if they have boxes
- * at the same X coordinates.
- */
-RegionPtr
-fbPixmapToRegion(PixmapPtr pPix)
-{
-    register RegionPtr	pReg;
-    FbBits		*pw, w;
-    register int	ib;
-    int			width, h, base, rx1 = 0, crects;
-    FbBits		*pwLineEnd;
-    int			irectPrevStart, irectLineStart;
-    register BoxPtr	prectO, prectN;
-    BoxPtr		FirstRect, rects, prectLineStart;
-    Bool		fInBox, fSame;
-    register FbBits	mask0 = FB_ALLONES & ~FbScrRight(FB_ALLONES, 1);
-    FbBits		*pwLine;
-    int			nWidth;
-    
-    pReg = REGION_CREATE(pPix->drawable.pScreen, NULL, 1);
-    if(!pReg)
-	return NullRegion;
-    FirstRect = REGION_BOXPTR(pReg);
-    rects = FirstRect;
-
-    fbPrepareAccess(&pPix->drawable);
-
-    pwLine = (FbBits *) pPix->devPrivate.ptr;
-    nWidth = pPix->devKind >> (FB_SHIFT-3);
-
-    width = pPix->drawable.width;
-    pReg->extents.x1 = width - 1;
-    pReg->extents.x2 = 0;
-    irectPrevStart = -1;
-    for(h = 0; h < pPix->drawable.height; h++)
-    {
-	pw = pwLine;
-	pwLine += nWidth;
-	irectLineStart = rects - FirstRect;
-	/* If the Screen left most bit of the word is set, we're starting in
-	 * a box */
-	if(READ(pw) & mask0)
-	{
-	    fInBox = TRUE;
-	    rx1 = 0;
-	}
-	else
-	    fInBox = FALSE;
-	/* Process all words which are fully in the pixmap */
-	pwLineEnd = pw + (width >> FB_SHIFT);
-	for (base = 0; pw < pwLineEnd; base += FB_UNIT)
-	{
-	    w = READ(pw++);
-	    if (fInBox)
-	    {
-		if (!~w)
-		    continue;
-	    }
-	    else
-	    {
-		if (!w)
-		    continue;
-	    }
-	    for(ib = 0; ib < FB_UNIT; ib++)
-	    {
-	        /* If the Screen left most bit of the word is set, we're
-		 * starting a box */
-		if(w & mask0)
-		{
-		    if(!fInBox)
-		    {
-			rx1 = base + ib;
-			/* start new box */
-			fInBox = TRUE;
-		    }
-		}
-		else
-		{
-		    if(fInBox)
-		    {
-			/* end box */
-			ADDRECT(pReg, rects, FirstRect,
-				rx1, h, base + ib, h + 1);
-			fInBox = FALSE;
-		    }
-		}
-		/* Shift the word VISUALLY left one. */
-		w = FbScrLeft(w, 1);
-	    }
-	}
-	if(width & FB_MASK)
-	{
-	    /* Process final partial word on line */
-	    w = READ(pw++);
-	    for(ib = 0; ib < (width & FB_MASK); ib++)
-	    {
-	        /* If the Screen left most bit of the word is set, we're
-		 * starting a box */
-		if(w & mask0)
-		{
-		    if(!fInBox)
-		    {
-			rx1 = base + ib;
-			/* start new box */
-			fInBox = TRUE;
-		    }
-		}
-		else
-		{
-		    if(fInBox)
-		    {
-			/* end box */
-			ADDRECT(pReg, rects, FirstRect,
-				rx1, h, base + ib, h + 1);
-			fInBox = FALSE;
-		    }
-		}
-		/* Shift the word VISUALLY left one. */
-		w = FbScrLeft(w, 1);
-	    }
-	}
-	/* If scanline ended with last bit set, end the box */
-	if(fInBox)
-	{
-	    ADDRECT(pReg, rects, FirstRect,
-		    rx1, h, base + (width & FB_MASK), h + 1);
-	}
-	/* if all rectangles on this line have the same x-coords as
-	 * those on the previous line, then add 1 to all the previous  y2s and 
-	 * throw away all the rectangles from this line 
-	 */
-	fSame = FALSE;
-	if(irectPrevStart != -1)
-	{
-	    crects = irectLineStart - irectPrevStart;
-	    if(crects == ((rects - FirstRect) - irectLineStart))
-	    {
-	        prectO = FirstRect + irectPrevStart;
-	        prectN = prectLineStart = FirstRect + irectLineStart;
-		fSame = TRUE;
-	        while(prectO < prectLineStart)
-		{
-		    if((prectO->x1 != prectN->x1) || (prectO->x2 != prectN->x2))
-		    {
-			  fSame = FALSE;
-			  break;
-		    }
-		    prectO++;
-		    prectN++;
-		}
-		if (fSame)
-		{
-		    prectO = FirstRect + irectPrevStart;
-		    while(prectO < prectLineStart)
-		    {
-			prectO->y2 += 1;
-			prectO++;
-		    }
-		    rects -= crects;
-		    pReg->data->numRects -= crects;
-		}
-	    }
-	}
-	if(!fSame)
-	    irectPrevStart = irectLineStart;
-    }
-    if (!pReg->data->numRects)
-	pReg->extents.x1 = pReg->extents.x2 = 0;
-    else
-    {
-	pReg->extents.y1 = REGION_BOXPTR(pReg)->y1;
-	pReg->extents.y2 = REGION_END(pReg)->y2;
-	if (pReg->data->numRects == 1)
-	{
-	    xfree(pReg->data);
-	    pReg->data = (RegDataPtr)NULL;
-	}
-    }
-
-    fbFinishAccess(&pPix->drawable);
-#ifdef DEBUG
-    if (!miValidRegion(pReg))
-	FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, __LINE__);
-#endif
-    return(pReg);
-}
-
-#ifdef FB_DEBUG
-
-#include <stdio.h>
-
-static Bool
-fbValidateBits (FbStip *bits, int stride, FbStip data)
-{
-    while (stride--)
-    {
-	if (*bits != data)
-	{
-	    fprintf (stderr, "fbValidateBits failed at 0x%x (is 0x%x want 0x%x)\n",bits, *bits, data);
-	    return FALSE;
-	}
-	bits++;
-    }
-}
-
-void
-fbValidateDrawable (DrawablePtr pDrawable)
-{
-    FbStip	*bits, *first, *last;
-    int		stride, bpp;
-    int		xoff, yoff;
-    int		height;
-    Bool	failed;
-    
-    if (pDrawable->type != DRAWABLE_PIXMAP)
-	pDrawable = (DrawablePtr) fbGetWindowPixmap(pDrawable);
-    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);
-    first = bits - stride;
-    last = bits + stride * pDrawable->height;
-    if (!fbValidateBits (first, stride, FB_HEAD_BITS) ||
-	!fbValidateBits (last, stride, FB_TAIL_BITS))
-	fbInitializeDrawable(pDrawable);
-    fbFinishAccess (pDrawable);
-}
-
-void
-fbSetBits (FbStip *bits, int stride, FbStip data)
-{
-    while (stride--)
-	*bits++ = data;
-}
-
-void
-fbInitializeDrawable (DrawablePtr pDrawable)
-{
-    FbStip  *bits, *first, *last;
-    int	    stride, bpp;
-    int	    xoff, yoff;
-    
-    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);
-    first = bits - stride;
-    last = bits + stride * pDrawable->height;
-    fbSetBits (first, stride, FB_HEAD_BITS);
-    fbSetBits (last, stride, FB_TAIL_BITS);
-    fbFinishAccess (pDrawable);
-}
-#endif /* FB_DEBUG */
+/*

+ * Copyright © 1998 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_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <stdlib.h>

+

+#include "fb.h"

+

+PixmapPtr

+fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,

+		   unsigned usage_hint)

+{

+    PixmapPtr	pPixmap;

+    size_t	datasize;

+    size_t	paddedWidth;

+    int		adjust;

+    int		base;

+

+    paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits);

+    if (paddedWidth / 4 > 32767 || height > 32767)

+	return NullPixmap;

+    datasize = height * paddedWidth;

+    base = pScreen->totalPixmapSize;

+    adjust = 0;

+    if (base & 7)

+	adjust = 8 - (base & 7);

+    datasize += adjust;

+#ifdef FB_DEBUG

+    datasize += 2 * paddedWidth;

+#endif

+    pPixmap = AllocatePixmap(pScreen, datasize);

+    if (!pPixmap)

+	return NullPixmap;

+    pPixmap->drawable.type = DRAWABLE_PIXMAP;

+    pPixmap->drawable.class = 0;

+    pPixmap->drawable.pScreen = pScreen;

+    pPixmap->drawable.depth = depth;

+    pPixmap->drawable.bitsPerPixel = bpp;

+    pPixmap->drawable.id = 0;

+    pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;

+    pPixmap->drawable.x = 0;

+    pPixmap->drawable.y = 0;

+    pPixmap->drawable.width = width;

+    pPixmap->drawable.height = height;

+    pPixmap->devKind = paddedWidth;

+    pPixmap->refcnt = 1;

+    pPixmap->devPrivate.ptr = (pointer) ((char *)pPixmap + base + adjust);

+#ifdef FB_DEBUG

+    pPixmap->devPrivate.ptr = (void *) ((char *) pPixmap->devPrivate.ptr + paddedWidth);

+    fbInitializeDrawable (&pPixmap->drawable);

+#endif

+

+#ifdef COMPOSITE

+    pPixmap->screen_x = 0;

+    pPixmap->screen_y = 0;

+#endif

+

+    pPixmap->usage_hint = usage_hint;

+

+    return pPixmap;

+}

+

+PixmapPtr

+fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,

+		unsigned usage_hint)

+{

+    int	bpp;

+    bpp = BitsPerPixel (depth);

+#ifdef FB_SCREEN_PRIVATE

+    if (bpp == 32 && depth <= 24)

+	bpp = fbGetScreenPrivate(pScreen)->pix32bpp;

+#endif

+    return fbCreatePixmapBpp (pScreen, width, height, depth, bpp, usage_hint);

+}

+

+Bool

+fbDestroyPixmap (PixmapPtr pPixmap)

+{

+    if(--pPixmap->refcnt)

+	return TRUE;

+    dixFreePrivates(pPixmap->devPrivates);

+    free(pPixmap);

+    return TRUE;

+}

+

+#define ADDRECT(reg,r,fr,rx1,ry1,rx2,ry2)			\

+if (((rx1) < (rx2)) && ((ry1) < (ry2)) &&			\

+    (!((reg)->data->numRects &&					\

+       ((r-1)->y1 == (ry1)) &&					\

+       ((r-1)->y2 == (ry2)) &&					\

+       ((r-1)->x1 <= (rx1)) &&					\

+       ((r-1)->x2 >= (rx2)))))					\

+{								\

+    if ((reg)->data->numRects == (reg)->data->size)		\

+    {								\

+	miRectAlloc(reg, 1);					\

+	fr = REGION_BOXPTR(reg);				\

+	r = fr + (reg)->data->numRects;				\

+    }								\

+    r->x1 = (rx1);						\

+    r->y1 = (ry1);						\

+    r->x2 = (rx2);						\

+    r->y2 = (ry2);						\

+    (reg)->data->numRects++;					\

+    if(r->x1 < (reg)->extents.x1)				\

+	(reg)->extents.x1 = r->x1;				\

+    if(r->x2 > (reg)->extents.x2)				\

+	(reg)->extents.x2 = r->x2;				\

+    r++;							\

+}

+

+/* Convert bitmap clip mask into clipping region. 

+ * First, goes through each line and makes boxes by noting the transitions

+ * from 0 to 1 and 1 to 0.

+ * Then it coalesces the current line with the previous if they have boxes

+ * at the same X coordinates.

+ */

+RegionPtr

+fbPixmapToRegion(PixmapPtr pPix)

+{

+    register RegionPtr	pReg;

+    FbBits		*pw, w;

+    register int	ib;

+    int			width, h, base, rx1 = 0, crects;

+    FbBits		*pwLineEnd;

+    int			irectPrevStart, irectLineStart;

+    register BoxPtr	prectO, prectN;

+    BoxPtr		FirstRect, rects, prectLineStart;

+    Bool		fInBox, fSame;

+    register FbBits	mask0 = FB_ALLONES & ~FbScrRight(FB_ALLONES, 1);

+    FbBits		*pwLine;

+    int			nWidth;

+    

+    pReg = REGION_CREATE(pPix->drawable.pScreen, NULL, 1);

+    if(!pReg)

+	return NullRegion;

+    FirstRect = REGION_BOXPTR(pReg);

+    rects = FirstRect;

+

+    fbPrepareAccess(&pPix->drawable);

+

+    pwLine = (FbBits *) pPix->devPrivate.ptr;

+    nWidth = pPix->devKind >> (FB_SHIFT-3);

+

+    width = pPix->drawable.width;

+    pReg->extents.x1 = width - 1;

+    pReg->extents.x2 = 0;

+    irectPrevStart = -1;

+    for(h = 0; h < pPix->drawable.height; h++)

+    {

+	pw = pwLine;

+	pwLine += nWidth;

+	irectLineStart = rects - FirstRect;

+	/* If the Screen left most bit of the word is set, we're starting in

+	 * a box */

+	if(READ(pw) & mask0)

+	{

+	    fInBox = TRUE;

+	    rx1 = 0;

+	}

+	else

+	    fInBox = FALSE;

+	/* Process all words which are fully in the pixmap */

+	pwLineEnd = pw + (width >> FB_SHIFT);

+	for (base = 0; pw < pwLineEnd; base += FB_UNIT)

+	{

+	    w = READ(pw++);

+	    if (fInBox)

+	    {

+		if (!~w)

+		    continue;

+	    }

+	    else

+	    {

+		if (!w)

+		    continue;

+	    }

+	    for(ib = 0; ib < FB_UNIT; ib++)

+	    {

+	        /* If the Screen left most bit of the word is set, we're

+		 * starting a box */

+		if(w & mask0)

+		{

+		    if(!fInBox)

+		    {

+			rx1 = base + ib;

+			/* start new box */

+			fInBox = TRUE;

+		    }

+		}

+		else

+		{

+		    if(fInBox)

+		    {

+			/* end box */

+			ADDRECT(pReg, rects, FirstRect,

+				rx1, h, base + ib, h + 1);

+			fInBox = FALSE;

+		    }

+		}

+		/* Shift the word VISUALLY left one. */

+		w = FbScrLeft(w, 1);

+	    }

+	}

+	if(width & FB_MASK)

+	{

+	    /* Process final partial word on line */

+	    w = READ(pw++);

+	    for(ib = 0; ib < (width & FB_MASK); ib++)

+	    {

+	        /* If the Screen left most bit of the word is set, we're

+		 * starting a box */

+		if(w & mask0)

+		{

+		    if(!fInBox)

+		    {

+			rx1 = base + ib;

+			/* start new box */

+			fInBox = TRUE;

+		    }

+		}

+		else

+		{

+		    if(fInBox)

+		    {

+			/* end box */

+			ADDRECT(pReg, rects, FirstRect,

+				rx1, h, base + ib, h + 1);

+			fInBox = FALSE;

+		    }

+		}

+		/* Shift the word VISUALLY left one. */

+		w = FbScrLeft(w, 1);

+	    }

+	}

+	/* If scanline ended with last bit set, end the box */

+	if(fInBox)

+	{

+	    ADDRECT(pReg, rects, FirstRect,

+		    rx1, h, base + (width & FB_MASK), h + 1);

+	}

+	/* if all rectangles on this line have the same x-coords as

+	 * those on the previous line, then add 1 to all the previous  y2s and 

+	 * throw away all the rectangles from this line 

+	 */

+	fSame = FALSE;

+	if(irectPrevStart != -1)

+	{

+	    crects = irectLineStart - irectPrevStart;

+	    if(crects == ((rects - FirstRect) - irectLineStart))

+	    {

+	        prectO = FirstRect + irectPrevStart;

+	        prectN = prectLineStart = FirstRect + irectLineStart;

+		fSame = TRUE;

+	        while(prectO < prectLineStart)

+		{

+		    if((prectO->x1 != prectN->x1) || (prectO->x2 != prectN->x2))

+		    {

+			  fSame = FALSE;

+			  break;

+		    }

+		    prectO++;

+		    prectN++;

+		}

+		if (fSame)

+		{

+		    prectO = FirstRect + irectPrevStart;

+		    while(prectO < prectLineStart)

+		    {

+			prectO->y2 += 1;

+			prectO++;

+		    }

+		    rects -= crects;

+		    pReg->data->numRects -= crects;

+		}

+	    }

+	}

+	if(!fSame)

+	    irectPrevStart = irectLineStart;

+    }

+    if (!pReg->data->numRects)

+	pReg->extents.x1 = pReg->extents.x2 = 0;

+    else

+    {

+	pReg->extents.y1 = REGION_BOXPTR(pReg)->y1;

+	pReg->extents.y2 = REGION_END(pReg)->y2;

+	if (pReg->data->numRects == 1)

+	{

+	    free(pReg->data);

+	    pReg->data = (RegDataPtr)NULL;

+	}

+    }

+

+    fbFinishAccess(&pPix->drawable);

+#ifdef DEBUG

+    if (!miValidRegion(pReg))

+	FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, __LINE__);

+#endif

+    return(pReg);

+}

+

+#ifdef FB_DEBUG

+

+#include <stdio.h>

+

+static Bool

+fbValidateBits (FbStip *bits, int stride, FbStip data)

+{

+    while (stride--)

+    {

+	if (*bits != data)

+	{

+	    fprintf (stderr, "fbValidateBits failed at 0x%x (is 0x%x want 0x%x)\n",bits, *bits, data);

+	    return FALSE;

+	}

+	bits++;

+    }

+}

+

+void

+fbValidateDrawable (DrawablePtr pDrawable)

+{

+    FbStip	*bits, *first, *last;

+    int		stride, bpp;

+    int		xoff, yoff;

+    int		height;

+    Bool	failed;

+    

+    if (pDrawable->type != DRAWABLE_PIXMAP)

+	pDrawable = (DrawablePtr) fbGetWindowPixmap(pDrawable);

+    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);

+    first = bits - stride;

+    last = bits + stride * pDrawable->height;

+    if (!fbValidateBits (first, stride, FB_HEAD_BITS) ||

+	!fbValidateBits (last, stride, FB_TAIL_BITS))

+	fbInitializeDrawable(pDrawable);

+    fbFinishAccess (pDrawable);

+}

+

+void

+fbSetBits (FbStip *bits, int stride, FbStip data)

+{

+    while (stride--)

+	*bits++ = data;

+}

+

+void

+fbInitializeDrawable (DrawablePtr pDrawable)

+{

+    FbStip  *bits, *first, *last;

+    int	    stride, bpp;

+    int	    xoff, yoff;

+    

+    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);

+    first = bits - stride;

+    last = bits + stride * pDrawable->height;

+    fbSetBits (first, stride, FB_HEAD_BITS);

+    fbSetBits (last, stride, FB_TAIL_BITS);

+    fbFinishAccess (pDrawable);

+}

+#endif /* FB_DEBUG */

diff --git a/xorg-server/fb/fbscreen.c b/xorg-server/fb/fbscreen.c
index 53e2ada9f..65af64074 100644
--- a/xorg-server/fb/fbscreen.c
+++ b/xorg-server/fb/fbscreen.c
@@ -1,291 +1,291 @@
-/*
- * Copyright © 1998 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "fb.h"
-
-Bool
-fbCloseScreen (int index, ScreenPtr pScreen)
-{
-    int	    d;
-    DepthPtr	depths = pScreen->allowedDepths;
-
-    for (d = 0; d < pScreen->numDepths; d++)
-	xfree (depths[d].vids);
-    xfree (depths);
-    xfree (pScreen->visuals);
-    xfree (pScreen->devPrivate);
-#ifdef FB_SCREEN_PRIVATE
-    xfree (dixLookupPrivate(&pScreen->devPrivates, fbGetScreenPrivateKey()));
-#endif
-    return TRUE;
-}
-
-Bool
-fbRealizeFont(ScreenPtr pScreen, FontPtr pFont)
-{
-    return (TRUE);
-}
-
-Bool
-fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont)
-{
-    return (TRUE);
-}
-
-void
-fbQueryBestSize (int class, 
-		 unsigned short *width, unsigned short *height,
-		 ScreenPtr pScreen)
-{
-    unsigned short  w;
-    
-    switch (class) {
-    case CursorShape:
-	if (*width > pScreen->width)
-	    *width = pScreen->width;
-	if (*height > pScreen->height)
-	    *height = pScreen->height;
-	break;
-    case TileShape:
-    case StippleShape:
-	w = *width;
-	if ((w & (w - 1)) && w < FB_UNIT)
-	{
-	    for (w = 1; w < *width; w <<= 1)
-		;
-	    *width = w;
-	}
-    }
-}
-
-PixmapPtr
-_fbGetWindowPixmap (WindowPtr pWindow)
-{
-    return fbGetWindowPixmap (pWindow);
-}
-
-void
-_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
-{
-    dixSetPrivate(&pWindow->devPrivates, fbGetWinPrivateKey(), pPixmap);
-}
-
-Bool
-fbSetupScreen(ScreenPtr	pScreen, 
-	      pointer	pbits,		/* pointer to screen bitmap */
-	      int	xsize, 		/* in pixels */
-	      int	ysize,
-	      int	dpix,		/* dots per inch */
-	      int	dpiy,
-	      int	width,		/* pixel width of frame buffer */
-	      int	bpp)		/* bits per pixel for screen */
-{
-    if (!fbAllocatePrivates(pScreen, NULL))
-	return FALSE;
-    pScreen->defColormap = FakeClientID(0);
-    /* let CreateDefColormap do whatever it wants for pixels */ 
-    pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
-    pScreen->QueryBestSize = fbQueryBestSize;
-    /* SaveScreen */
-    pScreen->GetImage = fbGetImage;
-    pScreen->GetSpans = fbGetSpans;
-    pScreen->CreateWindow = fbCreateWindow;
-    pScreen->DestroyWindow = fbDestroyWindow;
-    pScreen->PositionWindow = fbPositionWindow;
-    pScreen->ChangeWindowAttributes = fbChangeWindowAttributes;
-    pScreen->RealizeWindow = fbMapWindow;
-    pScreen->UnrealizeWindow = fbUnmapWindow;
-    pScreen->CopyWindow = fbCopyWindow;
-    pScreen->CreatePixmap = fbCreatePixmap;
-    pScreen->DestroyPixmap = fbDestroyPixmap;
-    pScreen->RealizeFont = fbRealizeFont;
-    pScreen->UnrealizeFont = fbUnrealizeFont;
-    pScreen->CreateGC = fbCreateGC;
-    pScreen->CreateColormap = fbInitializeColormap;
-    pScreen->DestroyColormap = (void (*)(ColormapPtr))NoopDDA;
-    pScreen->InstallColormap = fbInstallColormap;
-    pScreen->UninstallColormap = fbUninstallColormap;
-    pScreen->ListInstalledColormaps = fbListInstalledColormaps;
-    pScreen->StoreColors = (void (*)(ColormapPtr, int, xColorItem *))NoopDDA;
-    pScreen->ResolveColor = fbResolveColor;
-    pScreen->BitmapToRegion = fbPixmapToRegion;
-    
-    pScreen->GetWindowPixmap = _fbGetWindowPixmap;
-    pScreen->SetWindowPixmap = _fbSetWindowPixmap;
-
-    return TRUE;
-}
-
-#ifdef FB_ACCESS_WRAPPER
-Bool
-wfbFinishScreenInit(ScreenPtr		pScreen,
-		    pointer		pbits,
-		    int			xsize,
-		    int			ysize,
-		    int			dpix,
-		    int			dpiy,
-		    int			width,
-		    int			bpp,
-		    SetupWrapProcPtr	setupWrap,
-		    FinishWrapProcPtr	finishWrap)
-#else
-Bool
-fbFinishScreenInit(ScreenPtr	pScreen,
-		   pointer	pbits,
-		   int		xsize,
-		   int		ysize,
-		   int		dpix,
-		   int		dpiy,
-		   int		width,
-		   int		bpp)
-#endif
-{
-    VisualPtr	visuals;
-    DepthPtr	depths;
-    int		nvisuals;
-    int		ndepths;
-    int		rootdepth;
-    VisualID	defaultVisual;
-    int		imagebpp = bpp;
-
-#ifdef FB_DEBUG
-    int	stride;
-    
-    ysize -= 2;
-    stride = (width * bpp) / 8;
-    fbSetBits ((FbStip *) pbits, 
-	       stride / sizeof (FbStip), FB_HEAD_BITS);
-    pbits = (void *) ((char *) pbits + stride);
-    fbSetBits ((FbStip *) ((char *) pbits + stride * ysize),
-			   stride / sizeof (FbStip), FB_TAIL_BITS);
-#endif
-    /*
-     * By default, a 24bpp screen will use 32bpp images, this avoids
-     * problems with many applications which just can't handle packed
-     * pixels.  If you want real 24bit images, include a 24bpp
-     * format in the pixmap formats
-     */
-#ifdef FB_24_32BIT
-    if (bpp == 24)
-    {
-	int	f;
-	
-	imagebpp = 32;
-	/*
-	 * Check to see if we're advertising a 24bpp image format,
-	 * in which case windows will use it in preference to a 32 bit
-	 * format.
-	 */
-	for (f = 0; f < screenInfo.numPixmapFormats; f++)
-	{
-	    if (screenInfo.formats[f].bitsPerPixel == 24)
-	    {
-		imagebpp = 24;
-		break;
-	    }
-	}	    
-    }
-#endif
-#ifdef FB_SCREEN_PRIVATE
-    if (imagebpp == 32)
-    {
-	fbGetScreenPrivate(pScreen)->win32bpp = bpp;
-	fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
-    }
-    else
-    {
-	fbGetScreenPrivate(pScreen)->win32bpp = 32;
-	fbGetScreenPrivate(pScreen)->pix32bpp = 32;
-    }
-#ifdef FB_ACCESS_WRAPPER
-    fbGetScreenPrivate(pScreen)->setupWrap = setupWrap;
-    fbGetScreenPrivate(pScreen)->finishWrap = finishWrap;
-#endif
-#endif
-    rootdepth = 0;
-    if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
-			&defaultVisual,((unsigned long)1<<(imagebpp-1)), 8))
-    {
-	xfree (visuals);
-	xfree (depths);
-	return FALSE;
-    }
-    if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
-			rootdepth, ndepths, depths,
-			defaultVisual, nvisuals, visuals))
-	return FALSE;
-    /* overwrite miCloseScreen with our own */
-    pScreen->CloseScreen = fbCloseScreen;
-#ifdef FB_24_32BIT
-    if (bpp == 24 && imagebpp == 32)
-    {
-	pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
-	pScreen->CreateScreenResources = fb24_32CreateScreenResources;
-    }
-#endif
-    return TRUE;
-}
-
-/* dts * (inch/dot) * (25.4 mm / inch) = mm */
-#ifdef FB_ACCESS_WRAPPER
-Bool
-wfbScreenInit(ScreenPtr		pScreen,
-	      pointer		pbits,
-	      int		xsize,
-	      int		ysize,
-	      int		dpix,
-	      int		dpiy,
-	      int		width,
-	      int		bpp,
-	      SetupWrapProcPtr	setupWrap,
-	      FinishWrapProcPtr	finishWrap)
-{
-    if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
-	return FALSE;
-    if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,
-			     width, bpp, setupWrap, finishWrap))
-	return FALSE;
-    return TRUE;
-}
-#else
-Bool
-fbScreenInit(ScreenPtr	pScreen,
-	     pointer	pbits,
-	     int	xsize,
-	     int	ysize,
-	     int	dpix,
-	     int	dpiy,
-	     int	width,
-	     int	bpp)
-{
-    if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
-	return FALSE;
-    if (!fbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, 
-			    width, bpp))
-	return FALSE;
-    return TRUE;
-}
-#endif
+/*

+ * Copyright © 1998 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_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include "fb.h"

+

+Bool

+fbCloseScreen (int index, ScreenPtr pScreen)

+{

+    int	    d;

+    DepthPtr	depths = pScreen->allowedDepths;

+

+    for (d = 0; d < pScreen->numDepths; d++)

+	free(depths[d].vids);

+    free(depths);

+    free(pScreen->visuals);

+    free(pScreen->devPrivate);

+#ifdef FB_SCREEN_PRIVATE

+    free(dixLookupPrivate(&pScreen->devPrivates, fbGetScreenPrivateKey()));

+#endif

+    return TRUE;

+}

+

+Bool

+fbRealizeFont(ScreenPtr pScreen, FontPtr pFont)

+{

+    return (TRUE);

+}

+

+Bool

+fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont)

+{

+    return (TRUE);

+}

+

+void

+fbQueryBestSize (int class, 

+		 unsigned short *width, unsigned short *height,

+		 ScreenPtr pScreen)

+{

+    unsigned short  w;

+    

+    switch (class) {

+    case CursorShape:

+	if (*width > pScreen->width)

+	    *width = pScreen->width;

+	if (*height > pScreen->height)

+	    *height = pScreen->height;

+	break;

+    case TileShape:

+    case StippleShape:

+	w = *width;

+	if ((w & (w - 1)) && w < FB_UNIT)

+	{

+	    for (w = 1; w < *width; w <<= 1)

+		;

+	    *width = w;

+	}

+    }

+}

+

+PixmapPtr

+_fbGetWindowPixmap (WindowPtr pWindow)

+{

+    return fbGetWindowPixmap (pWindow);

+}

+

+void

+_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)

+{

+    dixSetPrivate(&pWindow->devPrivates, fbGetWinPrivateKey(), pPixmap);

+}

+

+Bool

+fbSetupScreen(ScreenPtr	pScreen, 

+	      pointer	pbits,		/* pointer to screen bitmap */

+	      int	xsize, 		/* in pixels */

+	      int	ysize,

+	      int	dpix,		/* dots per inch */

+	      int	dpiy,

+	      int	width,		/* pixel width of frame buffer */

+	      int	bpp)		/* bits per pixel for screen */

+{

+    if (!fbAllocatePrivates(pScreen, NULL))

+	return FALSE;

+    pScreen->defColormap = FakeClientID(0);

+    /* let CreateDefColormap do whatever it wants for pixels */ 

+    pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;

+    pScreen->QueryBestSize = fbQueryBestSize;

+    /* SaveScreen */

+    pScreen->GetImage = fbGetImage;

+    pScreen->GetSpans = fbGetSpans;

+    pScreen->CreateWindow = fbCreateWindow;

+    pScreen->DestroyWindow = fbDestroyWindow;

+    pScreen->PositionWindow = fbPositionWindow;

+    pScreen->ChangeWindowAttributes = fbChangeWindowAttributes;

+    pScreen->RealizeWindow = fbMapWindow;

+    pScreen->UnrealizeWindow = fbUnmapWindow;

+    pScreen->CopyWindow = fbCopyWindow;

+    pScreen->CreatePixmap = fbCreatePixmap;

+    pScreen->DestroyPixmap = fbDestroyPixmap;

+    pScreen->RealizeFont = fbRealizeFont;

+    pScreen->UnrealizeFont = fbUnrealizeFont;

+    pScreen->CreateGC = fbCreateGC;

+    pScreen->CreateColormap = fbInitializeColormap;

+    pScreen->DestroyColormap = (void (*)(ColormapPtr))NoopDDA;

+    pScreen->InstallColormap = fbInstallColormap;

+    pScreen->UninstallColormap = fbUninstallColormap;

+    pScreen->ListInstalledColormaps = fbListInstalledColormaps;

+    pScreen->StoreColors = (void (*)(ColormapPtr, int, xColorItem *))NoopDDA;

+    pScreen->ResolveColor = fbResolveColor;

+    pScreen->BitmapToRegion = fbPixmapToRegion;

+    

+    pScreen->GetWindowPixmap = _fbGetWindowPixmap;

+    pScreen->SetWindowPixmap = _fbSetWindowPixmap;

+

+    return TRUE;

+}

+

+#ifdef FB_ACCESS_WRAPPER

+Bool

+wfbFinishScreenInit(ScreenPtr		pScreen,

+		    pointer		pbits,

+		    int			xsize,

+		    int			ysize,

+		    int			dpix,

+		    int			dpiy,

+		    int			width,

+		    int			bpp,

+		    SetupWrapProcPtr	setupWrap,

+		    FinishWrapProcPtr	finishWrap)

+#else

+Bool

+fbFinishScreenInit(ScreenPtr	pScreen,

+		   pointer	pbits,

+		   int		xsize,

+		   int		ysize,

+		   int		dpix,

+		   int		dpiy,

+		   int		width,

+		   int		bpp)

+#endif

+{

+    VisualPtr	visuals;

+    DepthPtr	depths;

+    int		nvisuals;

+    int		ndepths;

+    int		rootdepth;

+    VisualID	defaultVisual;

+    int		imagebpp = bpp;

+

+#ifdef FB_DEBUG

+    int	stride;

+    

+    ysize -= 2;

+    stride = (width * bpp) / 8;

+    fbSetBits ((FbStip *) pbits, 

+	       stride / sizeof (FbStip), FB_HEAD_BITS);

+    pbits = (void *) ((char *) pbits + stride);

+    fbSetBits ((FbStip *) ((char *) pbits + stride * ysize),

+			   stride / sizeof (FbStip), FB_TAIL_BITS);

+#endif

+    /*

+     * By default, a 24bpp screen will use 32bpp images, this avoids

+     * problems with many applications which just can't handle packed

+     * pixels.  If you want real 24bit images, include a 24bpp

+     * format in the pixmap formats

+     */

+#ifdef FB_24_32BIT

+    if (bpp == 24)

+    {

+	int	f;

+	

+	imagebpp = 32;

+	/*

+	 * Check to see if we're advertising a 24bpp image format,

+	 * in which case windows will use it in preference to a 32 bit

+	 * format.

+	 */

+	for (f = 0; f < screenInfo.numPixmapFormats; f++)

+	{

+	    if (screenInfo.formats[f].bitsPerPixel == 24)

+	    {

+		imagebpp = 24;

+		break;

+	    }

+	}	    

+    }

+#endif

+#ifdef FB_SCREEN_PRIVATE

+    if (imagebpp == 32)

+    {

+	fbGetScreenPrivate(pScreen)->win32bpp = bpp;

+	fbGetScreenPrivate(pScreen)->pix32bpp = bpp;

+    }

+    else

+    {

+	fbGetScreenPrivate(pScreen)->win32bpp = 32;

+	fbGetScreenPrivate(pScreen)->pix32bpp = 32;

+    }

+#ifdef FB_ACCESS_WRAPPER

+    fbGetScreenPrivate(pScreen)->setupWrap = setupWrap;

+    fbGetScreenPrivate(pScreen)->finishWrap = finishWrap;

+#endif

+#endif

+    rootdepth = 0;

+    if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,

+			&defaultVisual,((unsigned long)1<<(imagebpp-1)), 8))

+    {

+	free(visuals);

+	free(depths);

+	return FALSE;

+    }

+    if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,

+			rootdepth, ndepths, depths,

+			defaultVisual, nvisuals, visuals))

+	return FALSE;

+    /* overwrite miCloseScreen with our own */

+    pScreen->CloseScreen = fbCloseScreen;

+#ifdef FB_24_32BIT

+    if (bpp == 24 && imagebpp == 32)

+    {

+	pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;

+	pScreen->CreateScreenResources = fb24_32CreateScreenResources;

+    }

+#endif

+    return TRUE;

+}

+

+/* dts * (inch/dot) * (25.4 mm / inch) = mm */

+#ifdef FB_ACCESS_WRAPPER

+Bool

+wfbScreenInit(ScreenPtr		pScreen,

+	      pointer		pbits,

+	      int		xsize,

+	      int		ysize,

+	      int		dpix,

+	      int		dpiy,

+	      int		width,

+	      int		bpp,

+	      SetupWrapProcPtr	setupWrap,

+	      FinishWrapProcPtr	finishWrap)

+{

+    if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))

+	return FALSE;

+    if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,

+			     width, bpp, setupWrap, finishWrap))

+	return FALSE;

+    return TRUE;

+}

+#else

+Bool

+fbScreenInit(ScreenPtr	pScreen,

+	     pointer	pbits,

+	     int	xsize,

+	     int	ysize,

+	     int	dpix,

+	     int	dpiy,

+	     int	width,

+	     int	bpp)

+{

+    if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))

+	return FALSE;

+    if (!fbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, 

+			    width, bpp))

+	return FALSE;

+    return TRUE;

+}

+#endif

diff --git a/xorg-server/fb/fbseg.c b/xorg-server/fb/fbseg.c
index 80ce7404e..0236721ab 100644
--- a/xorg-server/fb/fbseg.c
+++ b/xorg-server/fb/fbseg.c
@@ -1,734 +1,736 @@
-/*
- * Copyright © 1998 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "fb.h"
-#include "miline.h"
-
-#define fbBresShiftMask(mask,dir,bpp) ((bpp == FB_STIP_UNIT) ? 0 : \
-					((dir < 0) ? FbStipLeft(mask,bpp) : \
-					 FbStipRight(mask,bpp)))
-
-void
-fbBresSolid (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x1,
-	     int	    y1,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len)
-{
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	and = (FbStip) pPriv->and;
-    FbStip	xor = (FbStip) pPriv->xor;
-    FbStip	mask, mask0;
-    FbStip	bits;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-    dst += ((y1 + dstYoff) * dstStride);
-    x1 = (x1 + dstXoff) * dstBpp;
-    dst += x1 >> FB_STIP_SHIFT;
-    x1 &= FB_STIP_MASK;
-    mask0 = FbStipMask(0, dstBpp);
-    mask = FbStipRight (mask0, x1);
-    if (signdx < 0)
-	mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);
-    if (signdy < 0)
-	dstStride = -dstStride;
-    if (axis == X_AXIS)
-    {
-	bits = 0;
-	while (len--)
-	{
-	    bits |= mask;
-	    mask = fbBresShiftMask(mask,signdx,dstBpp);
-	    if (!mask)
-	    {
-		WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
-		bits = 0;
-		dst += signdx;
-		mask = mask0;
-	    }
-	    e += e1;
-	    if (e >= 0)
-	    {
-		WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
-		bits = 0;
-		dst += dstStride;
-		e += e3;
-	    }
-	}
-	if (bits)
-	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
-    }
-    else
-    {
-	while (len--)
-	{
-	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		mask = fbBresShiftMask(mask,signdx,dstBpp);
-		if (!mask)
-		{
-		    dst += signdx;
-		    mask = mask0;
-		}
-	    }
-	}
-    }
-
-    fbFinishAccess (pDrawable);
-}
-
-void
-fbBresDash (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		dashOffset,
-	    int		signdx,
-	    int		signdy,
-	    int		axis,
-	    int		x1,
-	    int		y1,
-	    int		e,
-	    int		e1,
-	    int		e3,
-	    int		len)
-{
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	and = (FbStip) pPriv->and;
-    FbStip	xor = (FbStip) pPriv->xor;
-    FbStip	bgand = (FbStip) pPriv->bgand;
-    FbStip	bgxor = (FbStip) pPriv->bgxor;
-    FbStip	mask, mask0;
-    FbDashDeclare;
-    int		dashlen;
-    Bool	even;
-    Bool	doOdd;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-    doOdd = pGC->lineStyle == LineDoubleDash;
-
-    FbDashInit (pGC, pPriv, dashOffset, dashlen, even);
-    
-    dst += ((y1 + dstYoff) * dstStride);
-    x1 = (x1 + dstXoff) * dstBpp;
-    dst += x1 >> FB_STIP_SHIFT;
-    x1 &= FB_STIP_MASK;
-    mask0 = FbStipMask(0, dstBpp);
-    mask = FbStipRight (mask0, x1);
-    if (signdx < 0)
-	mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);
-    if (signdy < 0)
-	dstStride = -dstStride;
-    while (len--)
-    {
-	if (even)
-	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));
-	else if (doOdd)
-	    WRITE(dst, FbDoMaskRRop (READ(dst), bgand, bgxor, mask));
-	if (axis == X_AXIS)
-	{
-	    mask = fbBresShiftMask(mask,signdx,dstBpp);
-	    if (!mask)
-	    {
-		dst += signdx;
-		mask = mask0;
-	    }
-	    e += e1;
-	    if (e >= 0)
-	    {
-		dst += dstStride;
-		e += e3;
-	    }
-	}
-	else
-	{
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		mask = fbBresShiftMask(mask,signdx,dstBpp);
-		if (!mask)
-		{
-		    dst += signdx;
-		    mask = mask0;
-		}
-	    }
-	}
-	FbDashStep (dashlen, even);
-    }
-
-    fbFinishAccess (pDrawable);
-}
-
-void
-fbBresFill (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		dashOffset,
-	    int		signdx,
-	    int		signdy,
-	    int		axis,
-	    int		x1,
-	    int		y1,
-	    int		e,
-	    int		e1,
-	    int		e3,
-	    int		len)
-{
-    while (len--)
-    {
-	fbFill (pDrawable, pGC, x1, y1, 1, 1);
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		y1 += signdy;
-	    }
-	}
-	else
-	{
-	    y1 += signdy;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
-    }
-}
-
-static void
-fbSetFg (DrawablePtr	pDrawable,
-	 GCPtr		pGC,
-	 Pixel		fg)
-{
-    if (fg != pGC->fgPixel)
-    {
-	DoChangeGC (pGC, GCForeground, (XID *) &fg, FALSE);
-	ValidateGC (pDrawable, pGC);
-    }
-}
-
-void
-fbBresFillDash (DrawablePtr pDrawable,
-		GCPtr	    pGC,
-		int	    dashOffset,
-		int	    signdx,
-		int	    signdy,
-		int	    axis,
-		int	    x1,
-		int	    y1,
-		int	    e,
-		int	    e1,
-		int	    e3,
-		int	    len)
-{
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbDashDeclare;
-    int		dashlen;
-    Bool	even;
-    Bool	doOdd;
-    Bool	doBg;
-    Pixel	fg, bg;
-    
-    fg = pGC->fgPixel;
-    bg = pGC->bgPixel;
-    
-    /* whether to fill the odd dashes */
-    doOdd = pGC->lineStyle == LineDoubleDash;
-    /* whether to switch fg to bg when filling odd dashes */
-    doBg = doOdd && (pGC->fillStyle == FillSolid || 
-		     pGC->fillStyle == FillStippled);
-    
-    /* compute current dash position */
-    FbDashInit (pGC, pPriv, dashOffset, dashlen, even);
-    
-    while (len--)
-    {
-	if (even || doOdd)
-	{
-	    if (doBg)
-	    {
-		if (even)
-		    fbSetFg (pDrawable, pGC, fg);
-		else
-		    fbSetFg (pDrawable, pGC, bg);
-	    }
-	    fbFill (pDrawable, pGC, x1, y1, 1, 1);
-	}
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		y1 += signdy;
-	    }
-	}
-	else
-	{
-	    y1 += signdy;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
-	FbDashStep (dashlen, even);
-    }
-    if (doBg)
-	fbSetFg (pDrawable, pGC, fg);
-}
-
-#ifdef FB_24BIT
-static void
-fbBresSolid24RRop (DrawablePtr  pDrawable,
-		   GCPtr	pGC,
-		   int		dashOffset,
-		   int		signdx,
-		   int		signdy,
-		   int		axis,
-		   int		x1,
-		   int		y1,
-		   int		e,
-		   int		e1,
-		   int		e3,
-		   int		len)
-{
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	and = pPriv->and;
-    FbStip	xor = pPriv->xor;
-    FbStip	leftMask, rightMask;
-    int		nl;
-    FbStip	*d;
-    int		x;
-    int		rot;
-    FbStip	andT, xorT;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-    dst += ((y1 + dstYoff) * dstStride);
-    x1 = (x1 + dstXoff) * 24;
-    if (signdy < 0)
-	dstStride = -dstStride;
-    signdx *= 24;
-    while (len--)
-    {
-	d = dst + (x1 >> FB_STIP_SHIFT);
-	x = x1 & FB_STIP_MASK;
-	rot = FbFirst24Rot (x);
-	andT = FbRot24Stip(and,rot);
-	xorT = FbRot24Stip(xor,rot);
-	FbMaskStip (x, 24, leftMask, nl, rightMask);
-	if (leftMask)
-	{
-	    WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
-	    d++;
-	    andT = FbNext24Stip (andT);
-	    xorT = FbNext24Stip (xorT);
-	}
-	if (rightMask)
-	    WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		dst += dstStride;
-	    }
-	}
-	else
-	{
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
-    }
-
-    fbFinishAccess (pDrawable);
-}
-
-static void
-fbBresDash24RRop (DrawablePtr	pDrawable,
-		  GCPtr		pGC,
-		  int		dashOffset,
-		  int		signdx,
-		  int		signdy,
-		  int		axis,
-		  int		x1,
-		  int		y1,
-		  int		e,
-		  int		e1,
-		  int		e3,
-		  int		len)
-{
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	andT, xorT;
-    FbStip	fgand = pPriv->and;
-    FbStip	fgxor = pPriv->xor;
-    FbStip	bgand = pPriv->bgand;
-    FbStip	bgxor = pPriv->bgxor;
-    FbStip	leftMask, rightMask;
-    int		nl;
-    FbStip	*d;
-    int		x;
-    int		rot;
-    FbDashDeclare;
-    int		dashlen;
-    Bool	even;
-    Bool	doOdd;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-    doOdd = pGC->lineStyle == LineDoubleDash;
-
-    /* compute current dash position */
-    FbDashInit(pGC, pPriv, dashOffset, dashlen, even);
-    
-    dst += ((y1 + dstYoff) * dstStride);
-    x1 = (x1 + dstXoff) * 24;
-    if (signdy < 0)
-	dstStride = -dstStride;
-    signdx *= 24;
-    while (len--)
-    {
-	if (even || doOdd)
-	{
-	    if (even)
-	    {
-		andT = fgand;
-		xorT = fgxor;
-	    }
-	    else
-	    {
-		andT = bgand;
-		xorT = bgxor;
-	    }
-	    d = dst + (x1 >> FB_STIP_SHIFT);
-	    x = x1 & FB_STIP_MASK;
-	    rot = FbFirst24Rot (x);
-	    andT = FbRot24Stip (andT, rot);
-	    xorT = FbRot24Stip (xorT, rot);
-	    FbMaskStip (x, 24, leftMask, nl, rightMask);
-	    if (leftMask)
-	    {
-		WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
-		d++;
-		andT = FbNext24Stip (andT);
-		xorT = FbNext24Stip (xorT);
-	    }
-	    if (rightMask)
-		WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));
-	}
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		dst += dstStride;
-	    }
-	}
-	else
-	{
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
-	FbDashStep (dashlen, even);
-    }
-
-    fbFinishAccess (pDrawable);
-}
-#endif
-
-/*
- * For drivers that want to bail drawing some lines, this
- * function takes care of selecting the appropriate rasterizer
- * based on the contents of the specified GC.
- */
-
-FbBres *
-fbSelectBres (DrawablePtr   pDrawable,
-	      GCPtr	    pGC)
-{
-    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);
-    int		dstBpp = pDrawable->bitsPerPixel;
-    FbBres *	bres;
-    
-    if (pGC->lineStyle == LineSolid)
-    {
-	bres = fbBresFill;
-	if (pGC->fillStyle == FillSolid)
-	{
-	    bres = fbBresSolid;
-#ifdef FB_24BIT
-	    if (dstBpp == 24)
-		bres = fbBresSolid24RRop;
-#endif
-#ifndef FBNOPIXADDR
-	    if (pPriv->and == 0)
-	    {
-		switch (dstBpp) {
-		case 8:	bres = fbBresSolid8; break;
-		case 16: bres = fbBresSolid16; break;
-#ifdef FB_24BIT
-		case 24: bres = fbBresSolid24; break;
-#endif
-		case 32: bres = fbBresSolid32; break;
-		}
-	    }
-#endif
-	}
-    }
-    else
-    {
-	bres = fbBresFillDash;
-	if (pGC->fillStyle == FillSolid)
-	{
-	    bres = fbBresDash;
-#ifdef FB_24BIT
-	    if (dstBpp == 24)
-		bres = fbBresDash24RRop;
-#endif
-#ifndef FBNOPIXADDR
-	    if (pPriv->and == 0 && 
-		(pGC->lineStyle == LineOnOffDash || pPriv->bgand == 0))
-	    {
-		switch (dstBpp) {
-		case 8:	bres = fbBresDash8; break;
-		case 16: bres = fbBresDash16; break;
-#ifdef FB_24BIT
-		case 24: bres = fbBresDash24; break;
-#endif
-		case 32: bres = fbBresDash32; break;
-		}
-	    }
-#endif
-	}
-    }
-    return bres;
-}
-
-void
-fbBres (DrawablePtr	pDrawable,
-	GCPtr		pGC,
-	int		dashOffset,
-	int		signdx,
-	int		signdy,
-	int		axis,
-	int		x1,
-	int		y1,
-	int		e,
-	int		e1,
-	int		e3,
-	int		len)
-{
-    (*fbSelectBres (pDrawable, pGC)) (pDrawable, pGC, dashOffset,
-				      signdx, signdy, axis, x1, y1,
-				      e, e1, e3, len);
-}
-
-void
-fbSegment (DrawablePtr	pDrawable,
-	   GCPtr	pGC,
-	   int		x1,
-	   int		y1,
-	   int		x2,
-	   int		y2,
-	   Bool		drawLast,
-	   int		*dashOffset)
-{
-    FbBres *	bres;
-    RegionPtr	pClip = fbGetCompositeClip(pGC);
-    BoxPtr	pBox;
-    int		nBox;
-    int		adx;		/* abs values of dx and dy */
-    int		ady;
-    int		signdx;		/* sign of dx and dy */
-    int		signdy;
-    int		e, e1, e2, e3;		/* bresenham error and increments */
-    int		len;			/* length of segment */
-    int		axis;			/* major axis */
-    int		octant;
-    int		dashoff;
-    int		doff;
-    unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);
-    unsigned int oc1;	/* outcode of point 1 */
-    unsigned int oc2;	/* outcode of point 2 */
-
-    nBox = REGION_NUM_RECTS (pClip);
-    pBox = REGION_RECTS (pClip);
-    
-    bres = fbSelectBres (pDrawable, pGC);
-    
-    CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy,
-		   1, 1, octant);
-
-    if (adx > ady)
-    {
-	axis = X_AXIS;
-	e1 = ady << 1;
-	e2 = e1 - (adx << 1);
-	e = e1 - adx;
-	len = adx;
-    }
-    else
-    {
-	axis = Y_AXIS;
-	e1 = adx << 1;
-	e2 = e1 - (ady << 1);
-	e = e1 - ady;
-	SetYMajorOctant(octant);
-	len = ady;
-    }
-
-    FIXUP_ERROR (e, octant, bias);
-    
-    /*
-     * Adjust error terms to compare against zero
-     */
-    e3 = e2 - e1;
-    e = e - e1;
-    
-    /* we have bresenham parameters and two points.
-       all we have to do now is clip and draw.
-    */
-
-    if (drawLast)
-	len++;
-    dashoff = *dashOffset;
-    *dashOffset = dashoff + len;
-    while(nBox--)
-    {
-	oc1 = 0;
-	oc2 = 0;
-	OUTCODES(oc1, x1, y1, pBox);
-	OUTCODES(oc2, x2, y2, pBox);
-	if ((oc1 | oc2) == 0)
-	{
-	    (*bres) (pDrawable, pGC, dashoff,
-		     signdx, signdy, axis, x1, y1,
-		     e, e1, e3, len);
-	    break;
-	}
-	else if (oc1 & oc2)
-	{
-	    pBox++;
-	}
-	else
-	{
-	    int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2;
-	    int clip1 = 0, clip2 = 0;
-	    int clipdx, clipdy;
-	    int err;
-	    
-	    if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2-1,
-			       pBox->y2-1,
-			       &new_x1, &new_y1, &new_x2, &new_y2,
-			       adx, ady, &clip1, &clip2,
-			       octant, bias, oc1, oc2) == -1)
-	    {
-		pBox++;
-		continue;
-	    }
-
-	    if (axis == X_AXIS)
-		len = abs(new_x2 - new_x1);
-	    else
-		len = abs(new_y2 - new_y1);
-	    if (clip2 != 0 || drawLast)
-		len++;
-	    if (len)
-	    {
-		/* unwind bresenham error term to first point */
-		doff = dashoff;
-		err = e;
-		if (clip1)
-		{
-		    clipdx = abs(new_x1 - x1);
-		    clipdy = abs(new_y1 - y1);
-		    if (axis == X_AXIS)
-		    {
-			doff += clipdx;
-			err  += e3 * clipdy + e1 * clipdx;
-		    }
-		    else
-		    {
-			doff += clipdy;
-			err  += e3 * clipdx + e1 * clipdy;
-		    }
-		}
-		(*bres) (pDrawable, pGC, doff,
-			 signdx, signdy, axis, new_x1, new_y1,
-			 err, e1, e3, len);
-	    }
-	    pBox++;
-	}
-    } /* while (nBox--) */
-}
+/*

+ * Copyright © 1998 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_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <stdlib.h>

+

+#include "fb.h"

+#include "miline.h"

+

+#define fbBresShiftMask(mask,dir,bpp) ((bpp == FB_STIP_UNIT) ? 0 : \

+					((dir < 0) ? FbStipLeft(mask,bpp) : \

+					 FbStipRight(mask,bpp)))

+

+void

+fbBresSolid (DrawablePtr    pDrawable,

+	     GCPtr	    pGC,

+	     int	    dashOffset,

+	     int	    signdx,

+	     int	    signdy,

+	     int	    axis,

+	     int	    x1,

+	     int	    y1,

+	     int	    e,

+	     int	    e1,

+	     int	    e3,

+	     int	    len)

+{

+    FbStip	*dst;

+    FbStride	dstStride;

+    int		dstBpp;

+    int		dstXoff, dstYoff;

+    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);

+    FbStip	and = (FbStip) pPriv->and;

+    FbStip	xor = (FbStip) pPriv->xor;

+    FbStip	mask, mask0;

+    FbStip	bits;

+    

+    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+    dst += ((y1 + dstYoff) * dstStride);

+    x1 = (x1 + dstXoff) * dstBpp;

+    dst += x1 >> FB_STIP_SHIFT;

+    x1 &= FB_STIP_MASK;

+    mask0 = FbStipMask(0, dstBpp);

+    mask = FbStipRight (mask0, x1);

+    if (signdx < 0)

+	mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);

+    if (signdy < 0)

+	dstStride = -dstStride;

+    if (axis == X_AXIS)

+    {

+	bits = 0;

+	while (len--)

+	{

+	    bits |= mask;

+	    mask = fbBresShiftMask(mask,signdx,dstBpp);

+	    if (!mask)

+	    {

+		WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));

+		bits = 0;

+		dst += signdx;

+		mask = mask0;

+	    }

+	    e += e1;

+	    if (e >= 0)

+	    {

+		WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));

+		bits = 0;

+		dst += dstStride;

+		e += e3;

+	    }

+	}

+	if (bits)

+	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));

+    }

+    else

+    {

+	while (len--)

+	{

+	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));

+	    dst += dstStride;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		mask = fbBresShiftMask(mask,signdx,dstBpp);

+		if (!mask)

+		{

+		    dst += signdx;

+		    mask = mask0;

+		}

+	    }

+	}

+    }

+

+    fbFinishAccess (pDrawable);

+}

+

+void

+fbBresDash (DrawablePtr	pDrawable,

+	    GCPtr	pGC,

+	    int		dashOffset,

+	    int		signdx,

+	    int		signdy,

+	    int		axis,

+	    int		x1,

+	    int		y1,

+	    int		e,

+	    int		e1,

+	    int		e3,

+	    int		len)

+{

+    FbStip	*dst;

+    FbStride	dstStride;

+    int		dstBpp;

+    int		dstXoff, dstYoff;

+    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);

+    FbStip	and = (FbStip) pPriv->and;

+    FbStip	xor = (FbStip) pPriv->xor;

+    FbStip	bgand = (FbStip) pPriv->bgand;

+    FbStip	bgxor = (FbStip) pPriv->bgxor;

+    FbStip	mask, mask0;

+    FbDashDeclare;

+    int		dashlen;

+    Bool	even;

+    Bool	doOdd;

+    

+    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+    doOdd = pGC->lineStyle == LineDoubleDash;

+

+    FbDashInit (pGC, pPriv, dashOffset, dashlen, even);

+    

+    dst += ((y1 + dstYoff) * dstStride);

+    x1 = (x1 + dstXoff) * dstBpp;

+    dst += x1 >> FB_STIP_SHIFT;

+    x1 &= FB_STIP_MASK;

+    mask0 = FbStipMask(0, dstBpp);

+    mask = FbStipRight (mask0, x1);

+    if (signdx < 0)

+	mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);

+    if (signdy < 0)

+	dstStride = -dstStride;

+    while (len--)

+    {

+	if (even)

+	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));

+	else if (doOdd)

+	    WRITE(dst, FbDoMaskRRop (READ(dst), bgand, bgxor, mask));

+	if (axis == X_AXIS)

+	{

+	    mask = fbBresShiftMask(mask,signdx,dstBpp);

+	    if (!mask)

+	    {

+		dst += signdx;

+		mask = mask0;

+	    }

+	    e += e1;

+	    if (e >= 0)

+	    {

+		dst += dstStride;

+		e += e3;

+	    }

+	}

+	else

+	{

+	    dst += dstStride;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		mask = fbBresShiftMask(mask,signdx,dstBpp);

+		if (!mask)

+		{

+		    dst += signdx;

+		    mask = mask0;

+		}

+	    }

+	}

+	FbDashStep (dashlen, even);

+    }

+

+    fbFinishAccess (pDrawable);

+}

+

+void

+fbBresFill (DrawablePtr	pDrawable,

+	    GCPtr	pGC,

+	    int		dashOffset,

+	    int		signdx,

+	    int		signdy,

+	    int		axis,

+	    int		x1,

+	    int		y1,

+	    int		e,

+	    int		e1,

+	    int		e3,

+	    int		len)

+{

+    while (len--)

+    {

+	fbFill (pDrawable, pGC, x1, y1, 1, 1);

+	if (axis == X_AXIS)

+	{

+	    x1 += signdx;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		y1 += signdy;

+	    }

+	}

+	else

+	{

+	    y1 += signdy;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		x1 += signdx;

+	    }

+	}

+    }

+}

+

+static void

+fbSetFg (DrawablePtr	pDrawable,

+	 GCPtr		pGC,

+	 Pixel		fg)

+{

+    if (fg != pGC->fgPixel)

+    {

+	ChangeGCVal val;

+	val.val = fg;

+	ChangeGC (NullClient, pGC, GCForeground, &val);

+	ValidateGC (pDrawable, pGC);

+    }

+}

+

+void

+fbBresFillDash (DrawablePtr pDrawable,

+		GCPtr	    pGC,

+		int	    dashOffset,

+		int	    signdx,

+		int	    signdy,

+		int	    axis,

+		int	    x1,

+		int	    y1,

+		int	    e,

+		int	    e1,

+		int	    e3,

+		int	    len)

+{

+    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);

+    FbDashDeclare;

+    int		dashlen;

+    Bool	even;

+    Bool	doOdd;

+    Bool	doBg;

+    Pixel	fg, bg;

+    

+    fg = pGC->fgPixel;

+    bg = pGC->bgPixel;

+    

+    /* whether to fill the odd dashes */

+    doOdd = pGC->lineStyle == LineDoubleDash;

+    /* whether to switch fg to bg when filling odd dashes */

+    doBg = doOdd && (pGC->fillStyle == FillSolid || 

+		     pGC->fillStyle == FillStippled);

+    

+    /* compute current dash position */

+    FbDashInit (pGC, pPriv, dashOffset, dashlen, even);

+    

+    while (len--)

+    {

+	if (even || doOdd)

+	{

+	    if (doBg)

+	    {

+		if (even)

+		    fbSetFg (pDrawable, pGC, fg);

+		else

+		    fbSetFg (pDrawable, pGC, bg);

+	    }

+	    fbFill (pDrawable, pGC, x1, y1, 1, 1);

+	}

+	if (axis == X_AXIS)

+	{

+	    x1 += signdx;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		y1 += signdy;

+	    }

+	}

+	else

+	{

+	    y1 += signdy;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		x1 += signdx;

+	    }

+	}

+	FbDashStep (dashlen, even);

+    }

+    if (doBg)

+	fbSetFg (pDrawable, pGC, fg);

+}

+

+#ifdef FB_24BIT

+static void

+fbBresSolid24RRop (DrawablePtr  pDrawable,

+		   GCPtr	pGC,

+		   int		dashOffset,

+		   int		signdx,

+		   int		signdy,

+		   int		axis,

+		   int		x1,

+		   int		y1,

+		   int		e,

+		   int		e1,

+		   int		e3,

+		   int		len)

+{

+    FbStip	*dst;

+    FbStride	dstStride;

+    int		dstBpp;

+    int		dstXoff, dstYoff;

+    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);

+    FbStip	and = pPriv->and;

+    FbStip	xor = pPriv->xor;

+    FbStip	leftMask, rightMask;

+    int		nl;

+    FbStip	*d;

+    int		x;

+    int		rot;

+    FbStip	andT, xorT;

+    

+    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+    dst += ((y1 + dstYoff) * dstStride);

+    x1 = (x1 + dstXoff) * 24;

+    if (signdy < 0)

+	dstStride = -dstStride;

+    signdx *= 24;

+    while (len--)

+    {

+	d = dst + (x1 >> FB_STIP_SHIFT);

+	x = x1 & FB_STIP_MASK;

+	rot = FbFirst24Rot (x);

+	andT = FbRot24Stip(and,rot);

+	xorT = FbRot24Stip(xor,rot);

+	FbMaskStip (x, 24, leftMask, nl, rightMask);

+	if (leftMask)

+	{

+	    WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));

+	    d++;

+	    andT = FbNext24Stip (andT);

+	    xorT = FbNext24Stip (xorT);

+	}

+	if (rightMask)

+	    WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));

+	if (axis == X_AXIS)

+	{

+	    x1 += signdx;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		dst += dstStride;

+	    }

+	}

+	else

+	{

+	    dst += dstStride;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		x1 += signdx;

+	    }

+	}

+    }

+

+    fbFinishAccess (pDrawable);

+}

+

+static void

+fbBresDash24RRop (DrawablePtr	pDrawable,

+		  GCPtr		pGC,

+		  int		dashOffset,

+		  int		signdx,

+		  int		signdy,

+		  int		axis,

+		  int		x1,

+		  int		y1,

+		  int		e,

+		  int		e1,

+		  int		e3,

+		  int		len)

+{

+    FbStip	*dst;

+    FbStride	dstStride;

+    int		dstBpp;

+    int		dstXoff, dstYoff;

+    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);

+    FbStip	andT, xorT;

+    FbStip	fgand = pPriv->and;

+    FbStip	fgxor = pPriv->xor;

+    FbStip	bgand = pPriv->bgand;

+    FbStip	bgxor = pPriv->bgxor;

+    FbStip	leftMask, rightMask;

+    int		nl;

+    FbStip	*d;

+    int		x;

+    int		rot;

+    FbDashDeclare;

+    int		dashlen;

+    Bool	even;

+    Bool	doOdd;

+    

+    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);

+    doOdd = pGC->lineStyle == LineDoubleDash;

+

+    /* compute current dash position */

+    FbDashInit(pGC, pPriv, dashOffset, dashlen, even);

+    

+    dst += ((y1 + dstYoff) * dstStride);

+    x1 = (x1 + dstXoff) * 24;

+    if (signdy < 0)

+	dstStride = -dstStride;

+    signdx *= 24;

+    while (len--)

+    {

+	if (even || doOdd)

+	{

+	    if (even)

+	    {

+		andT = fgand;

+		xorT = fgxor;

+	    }

+	    else

+	    {

+		andT = bgand;

+		xorT = bgxor;

+	    }

+	    d = dst + (x1 >> FB_STIP_SHIFT);

+	    x = x1 & FB_STIP_MASK;

+	    rot = FbFirst24Rot (x);

+	    andT = FbRot24Stip (andT, rot);

+	    xorT = FbRot24Stip (xorT, rot);

+	    FbMaskStip (x, 24, leftMask, nl, rightMask);

+	    if (leftMask)

+	    {

+		WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));

+		d++;

+		andT = FbNext24Stip (andT);

+		xorT = FbNext24Stip (xorT);

+	    }

+	    if (rightMask)

+		WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));

+	}

+	if (axis == X_AXIS)

+	{

+	    x1 += signdx;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		dst += dstStride;

+	    }

+	}

+	else

+	{

+	    dst += dstStride;

+	    e += e1;

+	    if (e >= 0)

+	    {

+		e += e3;

+		x1 += signdx;

+	    }

+	}

+	FbDashStep (dashlen, even);

+    }

+

+    fbFinishAccess (pDrawable);

+}

+#endif

+

+/*

+ * For drivers that want to bail drawing some lines, this

+ * function takes care of selecting the appropriate rasterizer

+ * based on the contents of the specified GC.

+ */

+

+FbBres *

+fbSelectBres (DrawablePtr   pDrawable,

+	      GCPtr	    pGC)

+{

+    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);

+    int		dstBpp = pDrawable->bitsPerPixel;

+    FbBres *	bres;

+    

+    if (pGC->lineStyle == LineSolid)

+    {

+	bres = fbBresFill;

+	if (pGC->fillStyle == FillSolid)

+	{

+	    bres = fbBresSolid;

+#ifdef FB_24BIT

+	    if (dstBpp == 24)

+		bres = fbBresSolid24RRop;

+#endif

+#ifndef FBNOPIXADDR

+	    if (pPriv->and == 0)

+	    {

+		switch (dstBpp) {

+		case 8:	bres = fbBresSolid8; break;

+		case 16: bres = fbBresSolid16; break;

+#ifdef FB_24BIT

+		case 24: bres = fbBresSolid24; break;

+#endif

+		case 32: bres = fbBresSolid32; break;

+		}

+	    }

+#endif

+	}

+    }

+    else

+    {

+	bres = fbBresFillDash;

+	if (pGC->fillStyle == FillSolid)

+	{

+	    bres = fbBresDash;

+#ifdef FB_24BIT

+	    if (dstBpp == 24)

+		bres = fbBresDash24RRop;

+#endif

+#ifndef FBNOPIXADDR

+	    if (pPriv->and == 0 && 

+		(pGC->lineStyle == LineOnOffDash || pPriv->bgand == 0))

+	    {

+		switch (dstBpp) {

+		case 8:	bres = fbBresDash8; break;

+		case 16: bres = fbBresDash16; break;

+#ifdef FB_24BIT

+		case 24: bres = fbBresDash24; break;

+#endif

+		case 32: bres = fbBresDash32; break;

+		}

+	    }

+#endif

+	}

+    }

+    return bres;

+}

+

+void

+fbBres (DrawablePtr	pDrawable,

+	GCPtr		pGC,

+	int		dashOffset,

+	int		signdx,

+	int		signdy,

+	int		axis,

+	int		x1,

+	int		y1,

+	int		e,

+	int		e1,

+	int		e3,

+	int		len)

+{

+    (*fbSelectBres (pDrawable, pGC)) (pDrawable, pGC, dashOffset,

+				      signdx, signdy, axis, x1, y1,

+				      e, e1, e3, len);

+}

+

+void

+fbSegment (DrawablePtr	pDrawable,

+	   GCPtr	pGC,

+	   int		x1,

+	   int		y1,

+	   int		x2,

+	   int		y2,

+	   Bool		drawLast,

+	   int		*dashOffset)

+{

+    FbBres *	bres;

+    RegionPtr	pClip = fbGetCompositeClip(pGC);

+    BoxPtr	pBox;

+    int		nBox;

+    int		adx;		/* abs values of dx and dy */

+    int		ady;

+    int		signdx;		/* sign of dx and dy */

+    int		signdy;

+    int		e, e1, e2, e3;		/* bresenham error and increments */

+    int		len;			/* length of segment */

+    int		axis;			/* major axis */

+    int		octant;

+    int		dashoff;

+    int		doff;

+    unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);

+    unsigned int oc1;	/* outcode of point 1 */

+    unsigned int oc2;	/* outcode of point 2 */

+

+    nBox = REGION_NUM_RECTS (pClip);

+    pBox = REGION_RECTS (pClip);

+    

+    bres = fbSelectBres (pDrawable, pGC);

+    

+    CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy,

+		   1, 1, octant);

+

+    if (adx > ady)

+    {

+	axis = X_AXIS;

+	e1 = ady << 1;

+	e2 = e1 - (adx << 1);

+	e = e1 - adx;

+	len = adx;

+    }

+    else

+    {

+	axis = Y_AXIS;

+	e1 = adx << 1;

+	e2 = e1 - (ady << 1);

+	e = e1 - ady;

+	SetYMajorOctant(octant);

+	len = ady;

+    }

+

+    FIXUP_ERROR (e, octant, bias);

+    

+    /*

+     * Adjust error terms to compare against zero

+     */

+    e3 = e2 - e1;

+    e = e - e1;

+    

+    /* we have bresenham parameters and two points.

+       all we have to do now is clip and draw.

+    */

+

+    if (drawLast)

+	len++;

+    dashoff = *dashOffset;

+    *dashOffset = dashoff + len;

+    while(nBox--)

+    {

+	oc1 = 0;

+	oc2 = 0;

+	OUTCODES(oc1, x1, y1, pBox);

+	OUTCODES(oc2, x2, y2, pBox);

+	if ((oc1 | oc2) == 0)

+	{

+	    (*bres) (pDrawable, pGC, dashoff,

+		     signdx, signdy, axis, x1, y1,

+		     e, e1, e3, len);

+	    break;

+	}

+	else if (oc1 & oc2)

+	{

+	    pBox++;

+	}

+	else

+	{

+	    int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2;

+	    int clip1 = 0, clip2 = 0;

+	    int clipdx, clipdy;

+	    int err;

+	    

+	    if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2-1,

+			       pBox->y2-1,

+			       &new_x1, &new_y1, &new_x2, &new_y2,

+			       adx, ady, &clip1, &clip2,

+			       octant, bias, oc1, oc2) == -1)

+	    {

+		pBox++;

+		continue;

+	    }

+

+	    if (axis == X_AXIS)

+		len = abs(new_x2 - new_x1);

+	    else

+		len = abs(new_y2 - new_y1);

+	    if (clip2 != 0 || drawLast)

+		len++;

+	    if (len)

+	    {

+		/* unwind bresenham error term to first point */

+		doff = dashoff;

+		err = e;

+		if (clip1)

+		{

+		    clipdx = abs(new_x1 - x1);

+		    clipdy = abs(new_y1 - y1);

+		    if (axis == X_AXIS)

+		    {

+			doff += clipdx;

+			err  += e3 * clipdy + e1 * clipdx;

+		    }

+		    else

+		    {

+			doff += clipdy;

+			err  += e3 * clipdx + e1 * clipdy;

+		    }

+		}

+		(*bres) (pDrawable, pGC, doff,

+			 signdx, signdy, axis, new_x1, new_y1,

+			 err, e1, e3, len);

+	    }

+	    pBox++;

+	}

+    } /* while (nBox--) */

+}