Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 770 insertions, 0 deletions

diff --git a/xorg-server/render/glyph.c b/xorg-server/render/glyph.c
new file mode 100644
index 000000000..286e39d63
--- /dev/null
+++ b/xorg-server/render/glyph.c
@@ -0,0 +1,770 @@
+/*
+ *
+ * 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 <stddef.h>  /* buggy openssl/sha.h wants size_t */
+#include <openssl/sha.h>
+
+#include "misc.h"
+#include "scrnintstr.h"
+#include "os.h"
+#include "regionstr.h"
+#include "validate.h"
+#include "windowstr.h"
+#include "input.h"
+#include "resource.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#include "picturestr.h"
+#include "glyphstr.h"
+#include "mipict.h"
+
+/*
+ * From Knuth -- a good choice for hash/rehash values is p, p-2 where
+ * p and p-2 are both prime.  These tables are sized to have an extra 10%
+ * free to avoid exponential performance degradation as the hash table fills
+ */
+static GlyphHashSetRec glyphHashSets[] = {
+    { 32,		43,		41        },
+    { 64,		73,		71        },
+    { 128,		151,		149       },
+    { 256,		283,		281       },
+    { 512,		571,		569       },
+    { 1024,		1153,		1151      },
+    { 2048,		2269,		2267      },
+    { 4096,		4519,		4517      },
+    { 8192,		9013,		9011      },
+    { 16384,		18043,		18041     },
+    { 32768,		36109,		36107     },
+    { 65536,		72091,		72089     },
+    { 131072,		144409,		144407    },
+    { 262144,		288361,		288359    },
+    { 524288,		576883,		576881    },
+    { 1048576,		1153459,	1153457   },
+    { 2097152,		2307163,	2307161   },
+    { 4194304,		4613893,	4613891   },
+    { 8388608,		9227641,	9227639   },
+    { 16777216,		18455029,	18455027  },
+    { 33554432,		36911011,	36911009  },
+    { 67108864,		73819861,	73819859  },
+    { 134217728,	147639589,	147639587 },
+    { 268435456,	295279081,	295279079 },
+    { 536870912,	590559793,	590559791 }
+};
+
+#define NGLYPHHASHSETS	(sizeof(glyphHashSets)/sizeof(glyphHashSets[0]))
+
+static const CARD8	glyphDepths[GlyphFormatNum] = { 1, 4, 8, 16, 32 };
+
+static GlyphHashRec	globalGlyphs[GlyphFormatNum];
+
+static void
+FreeGlyphPrivates (GlyphPtr glyph)
+{
+    ScreenPtr pScreen;
+    int i;
+
+    for (i = 0; i < screenInfo.numScreens; i++) {
+	pScreen = screenInfo.screens[i];
+	dixFreePrivates(*GetGlyphPrivatesForScreen(glyph, pScreen));
+    }
+
+    dixFreePrivates(glyph->devPrivates);
+    glyph->devPrivates = NULL;
+}
+
+void
+GlyphUninit (ScreenPtr pScreen)
+{
+    PictureScreenPtr ps = GetPictureScreen (pScreen);
+    GlyphPtr	     glyph;
+    int		     fdepth, i;
+
+    for (fdepth = 0; fdepth < GlyphFormatNum; fdepth++)
+    {
+	if (!globalGlyphs[fdepth].hashSet)
+	    continue;
+	
+	for (i = 0; i < globalGlyphs[fdepth].hashSet->size; i++)
+	{
+	    glyph = globalGlyphs[fdepth].table[i].glyph;
+	    if (glyph && glyph != DeletedGlyph)
+	    {
+		(*ps->UnrealizeGlyph) (pScreen, glyph);
+		FreeGlyphPrivates(glyph);
+	    }
+	}
+    }
+
+    for (fdepth = 0; fdepth < GlyphFormatNum; fdepth++)
+    {
+	if (!globalGlyphs[fdepth].hashSet)
+	    continue;
+	
+	for (i = 0; i < globalGlyphs[fdepth].hashSet->size; i++)
+	    glyph = globalGlyphs[fdepth].table[i].glyph;    
+    }
+}
+
+GlyphHashSetPtr
+FindGlyphHashSet (CARD32 filled)
+{
+    int	i;
+
+    for (i = 0; i < NGLYPHHASHSETS; i++)
+	if (glyphHashSets[i].entries >= filled)
+	    return &glyphHashSets[i];
+    return 0;
+}
+
+GlyphRefPtr
+FindGlyphRef (GlyphHashPtr	hash,
+	      CARD32		signature,
+	      Bool		match,
+	      unsigned char	sha1[20])
+{
+    CARD32	elt, step, s;
+    GlyphPtr	glyph;
+    GlyphRefPtr	table, gr, del;
+    CARD32	tableSize = hash->hashSet->size;
+
+    table = hash->table;
+    elt = signature % tableSize;
+    step = 0;
+    del = 0;
+    for (;;)
+    {
+	gr = &table[elt];
+	s = gr->signature;
+	glyph = gr->glyph;
+	if (!glyph)
+	{
+	    if (del)
+		gr = del;
+	    break;
+	}
+	if (glyph == DeletedGlyph)
+	{
+	    if (!del)
+		del = gr;
+	    else if (gr == del)
+		break;
+	}
+	else if (s == signature &&
+		 (!match || 
+		  memcmp (glyph->sha1, sha1, 20) == 0))
+	{
+	    break;
+	}
+	if (!step)
+	{
+	    step = signature % hash->hashSet->rehash;
+	    if (!step)
+		step = 1;
+	}
+	elt += step;
+	if (elt >= tableSize)
+	    elt -= tableSize;
+    }
+    return gr;
+}
+
+int
+HashGlyph (xGlyphInfo    *gi,
+	   CARD8	 *bits,
+	   unsigned long size,
+	   unsigned char sha1[20])
+{
+    SHA_CTX ctx;
+    int success;
+
+    success = SHA1_Init (&ctx);
+    if (! success)
+	return BadAlloc;
+
+    success = SHA1_Update (&ctx, gi, sizeof (xGlyphInfo));
+    if (! success)
+	return BadAlloc;
+
+    success = SHA1_Update (&ctx, bits, size);
+    if (! success)
+	return BadAlloc;
+
+    success = SHA1_Final (sha1, &ctx);
+    if (! success)
+	return BadAlloc;
+
+    return Success;
+}
+
+GlyphPtr
+FindGlyphByHash (unsigned char sha1[20], int format)
+{
+    GlyphRefPtr gr;
+    CARD32 signature = *(CARD32 *) sha1;
+
+    gr = FindGlyphRef (&globalGlyphs[format],
+		       signature, TRUE, sha1);
+
+    if (gr->glyph && gr->glyph != DeletedGlyph)
+	return gr->glyph;
+    else
+	return NULL;
+}
+
+#ifdef CHECK_DUPLICATES
+void
+DuplicateRef (GlyphPtr glyph, char *where)
+{
+    ErrorF ("Duplicate Glyph 0x%x from %s\n", glyph, where);
+}
+
+void
+CheckDuplicates (GlyphHashPtr hash, char *where)
+{
+    GlyphPtr	g;
+    int		i, j;
+
+    for (i = 0; i < hash->hashSet->size; i++)
+    {
+	g = hash->table[i].glyph;
+	if (!g || g == DeletedGlyph)
+	    continue;
+	for (j = i + 1; j < hash->hashSet->size; j++)
+	    if (hash->table[j].glyph == g)
+		DuplicateRef (g, where);
+    }
+}
+#else
+#define CheckDuplicates(a,b)
+#define DuplicateRef(a,b)
+#endif
+
+void
+FreeGlyph (GlyphPtr glyph, int format)
+{
+    CheckDuplicates (&globalGlyphs[format], "FreeGlyph");
+    if (--glyph->refcnt == 0)
+    {
+	PictureScreenPtr ps;
+	GlyphRefPtr      gr;
+	int	         i;
+	int	         first;
+	CARD32		 signature;
+
+	first = -1;
+	for (i = 0; i < globalGlyphs[format].hashSet->size; i++)
+	    if (globalGlyphs[format].table[i].glyph == glyph)
+	    {
+		if (first != -1)
+		    DuplicateRef (glyph, "FreeGlyph check");
+		first = i;
+	    }
+
+	signature = *(CARD32 *) glyph->sha1;
+	gr = FindGlyphRef (&globalGlyphs[format], signature,
+			   TRUE, glyph->sha1);
+	if (gr - globalGlyphs[format].table != first)
+	    DuplicateRef (glyph, "Found wrong one");
+	if (gr->glyph && gr->glyph != DeletedGlyph)
+	{
+	    gr->glyph = DeletedGlyph;
+	    gr->signature = 0;
+	    globalGlyphs[format].tableEntries--;
+	}
+
+	for (i = 0; i < screenInfo.numScreens; i++)
+	{
+	    ScreenPtr pScreen = screenInfo.screens[i];
+
+	    FreePicture ((pointer) GlyphPicture (glyph)[i], 0);
+
+	    ps = GetPictureScreenIfSet (pScreen);
+	    if (ps)
+		(*ps->UnrealizeGlyph) (pScreen, glyph);
+	}
+	
+	FreeGlyphPrivates(glyph);
+	xfree (glyph);
+    }
+}
+
+void
+AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
+{
+    GlyphRefPtr	    gr;
+    CARD32	    signature;
+
+    CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph top global");
+    /* Locate existing matching glyph */
+    signature = *(CARD32 *) glyph->sha1;
+    gr = FindGlyphRef (&globalGlyphs[glyphSet->fdepth], signature,
+		       TRUE, glyph->sha1);
+    if (gr->glyph && gr->glyph != DeletedGlyph && gr->glyph != glyph)
+    {
+	PictureScreenPtr ps;
+	int              i;
+	
+	for (i = 0; i < screenInfo.numScreens; i++)
+	{
+	    ps = GetPictureScreenIfSet (screenInfo.screens[i]);
+	    if (ps)
+		(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
+	}
+	FreeGlyphPrivates(glyph);
+	xfree (glyph);
+	glyph = gr->glyph;
+    }
+    else if (gr->glyph != glyph)
+    {
+	gr->glyph = glyph;
+	gr->signature = signature;
+	globalGlyphs[glyphSet->fdepth].tableEntries++;
+    }
+    
+    /* Insert/replace glyphset value */
+    gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
+    ++glyph->refcnt;
+    if (gr->glyph && gr->glyph != DeletedGlyph)
+	FreeGlyph (gr->glyph, glyphSet->fdepth);
+    else
+	glyphSet->hash.tableEntries++;
+    gr->glyph = glyph;
+    gr->signature = id;
+    CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph bottom");
+}
+
+Bool
+DeleteGlyph (GlyphSetPtr glyphSet, Glyph id)
+{
+    GlyphRefPtr     gr;
+    GlyphPtr	    glyph;
+
+    gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
+    glyph = gr->glyph;
+    if (glyph && glyph != DeletedGlyph)
+    {
+	gr->glyph = DeletedGlyph;
+	glyphSet->hash.tableEntries--;
+	FreeGlyph (glyph, glyphSet->fdepth);
+	return TRUE;
+    }
+    return FALSE;
+}
+
+GlyphPtr
+FindGlyph (GlyphSetPtr glyphSet, Glyph id)
+{
+    GlyphPtr        glyph;
+
+    glyph = FindGlyphRef (&glyphSet->hash, id, FALSE, 0)->glyph;
+    if (glyph == DeletedGlyph)
+	glyph = 0;
+    return glyph;
+}
+
+GlyphPtr
+AllocateGlyph (xGlyphInfo *gi, int fdepth)
+{
+    PictureScreenPtr ps;
+    int		     size;
+    GlyphPtr	     glyph;
+    int		     i;
+
+    size = screenInfo.numScreens * sizeof (PicturePtr);
+    glyph = (GlyphPtr) xalloc (size + sizeof (GlyphRec));
+    if (!glyph)
+	return 0;
+    glyph->refcnt = 0;
+    glyph->size = size + sizeof (xGlyphInfo);
+    glyph->info = *gi;
+    glyph->devPrivates = NULL;
+
+    for (i = 0; i < screenInfo.numScreens; i++)
+    {
+	ps = GetPictureScreenIfSet (screenInfo.screens[i]);
+
+	if (ps)
+	{
+	    if (!(*ps->RealizeGlyph) (screenInfo.screens[i], glyph))
+		goto bail;
+	}
+    }
+    
+    return glyph;
+
+bail:
+    while (i--)
+    {
+	ps = GetPictureScreenIfSet (screenInfo.screens[i]);
+	if (ps)
+	    (*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
+    }
+
+    FreeGlyphPrivates(glyph);
+    xfree (glyph);
+    return 0;
+}
+    
+Bool
+AllocateGlyphHash (GlyphHashPtr hash, GlyphHashSetPtr hashSet)
+{
+    hash->table = (GlyphRefPtr) xalloc (hashSet->size * sizeof (GlyphRefRec));
+    if (!hash->table)
+	return FALSE;
+    memset (hash->table, 0, hashSet->size * sizeof (GlyphRefRec));
+    hash->hashSet = hashSet;
+    hash->tableEntries = 0;
+    return TRUE;
+}
+
+Bool
+ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global)
+{
+    CARD32	    tableEntries;
+    GlyphHashSetPtr hashSet;
+    GlyphHashRec    newHash;
+    GlyphRefPtr	    gr;
+    GlyphPtr	    glyph;
+    int		    i;
+    int		    oldSize;
+    CARD32	    s;
+
+    tableEntries = hash->tableEntries + change;
+    hashSet = FindGlyphHashSet (tableEntries);
+    if (hashSet == hash->hashSet)
+	return TRUE;
+    if (global)
+	CheckDuplicates (hash, "ResizeGlyphHash top");
+    if (!AllocateGlyphHash (&newHash, hashSet))
+	return FALSE;
+    if (hash->table)
+    {
+	oldSize = hash->hashSet->size;
+	for (i = 0; i < oldSize; i++)
+	{
+	    glyph = hash->table[i].glyph;
+	    if (glyph && glyph != DeletedGlyph)
+	    {
+		s = hash->table[i].signature;
+		gr = FindGlyphRef (&newHash, s, global, glyph->sha1);
+		gr->signature = s;
+		gr->glyph = glyph;
+		++newHash.tableEntries;
+	    }
+	}
+	xfree (hash->table);
+    }
+    *hash = newHash;
+    if (global)
+	CheckDuplicates (hash, "ResizeGlyphHash bottom");
+    return TRUE;
+}
+
+Bool
+ResizeGlyphSet (GlyphSetPtr glyphSet, CARD32 change)
+{
+    return (ResizeGlyphHash (&glyphSet->hash, change, FALSE) &&
+	    ResizeGlyphHash (&globalGlyphs[glyphSet->fdepth], change, TRUE));
+}
+			    
+GlyphSetPtr
+AllocateGlyphSet (int fdepth, PictFormatPtr format)
+{
+    GlyphSetPtr	glyphSet;
+    int size;
+    
+    if (!globalGlyphs[fdepth].hashSet)
+    {
+	if (!AllocateGlyphHash (&globalGlyphs[fdepth], &glyphHashSets[0]))
+	    return FALSE;
+    }
+
+    size = sizeof (GlyphSetRec);
+    glyphSet = xalloc (size);
+    if (!glyphSet)
+	return FALSE;
+    bzero((char *)glyphSet, size);
+
+    if (!AllocateGlyphHash (&glyphSet->hash, &glyphHashSets[0]))
+    {
+	xfree (glyphSet);
+	return FALSE;
+    }
+    glyphSet->refcnt = 1;
+    glyphSet->fdepth = fdepth;
+    glyphSet->format = format;
+    return glyphSet;	
+}
+
+int
+FreeGlyphSet (pointer	value,
+	      XID       gid)
+{
+    GlyphSetPtr	glyphSet = (GlyphSetPtr) value;
+    
+    if (--glyphSet->refcnt == 0)
+    {
+	CARD32	    i, tableSize = glyphSet->hash.hashSet->size;
+	GlyphRefPtr table = glyphSet->hash.table;
+	GlyphPtr    glyph;
+    
+	for (i = 0; i < tableSize; i++)
+	{
+	    glyph = table[i].glyph;
+	    if (glyph && glyph != DeletedGlyph)
+		FreeGlyph (glyph, glyphSet->fdepth);
+	}
+	if (!globalGlyphs[glyphSet->fdepth].tableEntries)
+	{
+	    xfree (globalGlyphs[glyphSet->fdepth].table);
+	    globalGlyphs[glyphSet->fdepth].table = 0;
+	    globalGlyphs[glyphSet->fdepth].hashSet = 0;
+	}
+	else
+	    ResizeGlyphHash (&globalGlyphs[glyphSet->fdepth], 0, TRUE);
+	xfree (table);
+	dixFreePrivates(glyphSet->devPrivates);
+	xfree (glyphSet);
+    }
+    return Success;
+}
+
+static void
+GlyphExtents (int		nlist,
+		GlyphListPtr	list,
+		GlyphPtr	*glyphs,
+		BoxPtr		extents)
+{
+    int		x1, x2, y1, y2;
+    int		n;
+    GlyphPtr	glyph;
+    int		x, y;
+    
+    x = 0;
+    y = 0;
+    extents->x1 = MAXSHORT;
+    extents->x2 = MINSHORT;
+    extents->y1 = MAXSHORT;
+    extents->y2 = MINSHORT;
+    while (nlist--)
+    {
+	x += list->xOff;
+	y += list->yOff;
+	n = list->len;
+	list++;
+	while (n--)
+	{
+	    glyph = *glyphs++;
+	    x1 = x - glyph->info.x;
+	    if (x1 < MINSHORT)
+		x1 = MINSHORT;
+	    y1 = y - glyph->info.y;
+	    if (y1 < MINSHORT)
+		y1 = MINSHORT;
+	    x2 = x1 + glyph->info.width;
+	    if (x2 > MAXSHORT)
+		x2 = MAXSHORT;
+	    y2 = y1 + glyph->info.height;
+	    if (y2 > MAXSHORT)
+		y2 = MAXSHORT;
+	    if (x1 < extents->x1)
+		extents->x1 = x1;
+	    if (x2 > extents->x2)
+		extents->x2 = x2;
+	    if (y1 < extents->y1)
+		extents->y1 = y1;
+	    if (y2 > extents->y2)
+		extents->y2 = y2;
+	    x += glyph->info.xOff;
+	    y += glyph->info.yOff;
+	}
+    }
+}
+
+#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
+
+_X_EXPORT void
+CompositeGlyphs (CARD8		op,
+		 PicturePtr	pSrc,
+		 PicturePtr	pDst,
+		 PictFormatPtr	maskFormat,
+		 INT16		xSrc,
+		 INT16		ySrc,
+		 int		nlist,
+		 GlyphListPtr	lists,
+		 GlyphPtr	*glyphs)
+{
+    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
+
+    ValidatePicture (pSrc);
+    ValidatePicture (pDst);
+    (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, lists, glyphs);
+}
+
+Bool
+miRealizeGlyph (ScreenPtr pScreen,
+		GlyphPtr  glyph)
+{
+    return TRUE;
+}
+
+void
+miUnrealizeGlyph (ScreenPtr pScreen,
+		  GlyphPtr  glyph)
+{
+}
+
+_X_EXPORT void
+miGlyphs (CARD8		op,
+	  PicturePtr	pSrc,
+	  PicturePtr	pDst,
+	  PictFormatPtr	maskFormat,
+	  INT16		xSrc,
+	  INT16		ySrc,
+	  int		nlist,
+	  GlyphListPtr	list,
+	  GlyphPtr	*glyphs)
+{
+    PicturePtr	pPicture;
+    PixmapPtr   pMaskPixmap = 0;
+    PicturePtr  pMask;
+    ScreenPtr   pScreen = pDst->pDrawable->pScreen;
+    int		width = 0, height = 0;
+    int		x, y;
+    int		xDst = list->xOff, yDst = list->yOff;
+    int		n;
+    GlyphPtr	glyph;
+    int		error;
+    BoxRec	extents = {0, 0, 0, 0};
+    CARD32	component_alpha;
+
+    if (maskFormat)
+    {
+	GCPtr	    pGC;
+	xRectangle  rect;
+
+	GlyphExtents (nlist, list, glyphs, &extents);
+
+	if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
+	    return;
+	width = extents.x2 - extents.x1;
+	height = extents.y2 - extents.y1;
+	pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
+						maskFormat->depth,
+						CREATE_PIXMAP_USAGE_SCRATCH);
+	if (!pMaskPixmap)
+	    return;
+	component_alpha = NeedsComponent(maskFormat->format);
+	pMask = CreatePicture (0, &pMaskPixmap->drawable,
+			       maskFormat, CPComponentAlpha, &component_alpha,
+			       serverClient, &error);
+	if (!pMask)
+	{
+	    (*pScreen->DestroyPixmap) (pMaskPixmap);
+	    return;
+	}
+	pGC = GetScratchGC (pMaskPixmap->drawable.depth, pScreen);
+	ValidateGC (&pMaskPixmap->drawable, pGC);
+	rect.x = 0;
+	rect.y = 0;
+	rect.width = width;
+	rect.height = height;
+	(*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect);
+	FreeScratchGC (pGC);
+	x = -extents.x1;
+	y = -extents.y1;
+    }
+    else
+    {
+	pMask = pDst;
+	x = 0;
+	y = 0;
+    }
+    while (nlist--)
+    {
+	x += list->xOff;
+	y += list->yOff;
+	n = list->len;
+	while (n--)
+	{
+	    glyph = *glyphs++;
+	    pPicture = GlyphPicture (glyph)[pScreen->myNum];
+
+	    if (maskFormat)
+	    {
+		CompositePicture (PictOpAdd,
+				  pPicture,
+				  None,
+				  pMask,
+				  0, 0,
+				  0, 0,
+				  x - glyph->info.x,
+				  y - glyph->info.y,
+				  glyph->info.width,
+				  glyph->info.height);
+	    }
+	    else
+	    {
+		CompositePicture (op,
+				  pSrc,
+				  pPicture,
+				  pDst,
+				  xSrc + (x - glyph->info.x) - xDst,
+				  ySrc + (y - glyph->info.y) - yDst,
+				  0, 0,
+				  x - glyph->info.x,
+				  y - glyph->info.y,
+				  glyph->info.width,
+				  glyph->info.height);
+	    }
+
+	    x += glyph->info.xOff;
+	    y += glyph->info.yOff;
+	}
+	list++;
+    }
+    if (maskFormat)
+    {
+	x = extents.x1;
+	y = extents.y1;
+	CompositePicture (op,
+			  pSrc,
+			  pMask,
+			  pDst,
+			  xSrc + x - xDst,
+			  ySrc + y - yDst,
+			  0, 0,
+			  x, y,
+			  width, height);
+	FreePicture ((pointer) pMask, (XID) 0);
+	(*pScreen->DestroyPixmap) (pMaskPixmap);
+    }
+}