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Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c581
1 files changed, 0 insertions, 581 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c
deleted file mode 100644
index cd65fdc0e..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c
+++ /dev/null
@@ -1,581 +0,0 @@
-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
-/* */
-/* NXAGENT, NX protocol compression and NX extensions to this software */
-/* are copyright of NoMachine. Redistribution and use of the present */
-/* software is allowed according to terms specified in the file LICENSE */
-/* which comes in the source distribution. */
-/* */
-/* Check http://www.nomachine.com/licensing.html for applicability. */
-/* */
-/* NX and NoMachine are trademarks of Medialogic S.p.A. */
-/* */
-/* All rights reserved. */
-/* */
-/**************************************************************************/
-
-/*
- * $XFree86: xc/programs/Xserver/render/glyph.c,v 1.5 2001/01/30 07:01:22 keithp Exp $
- *
- * 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 "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"
-
-#ifdef NXAGENT_SERVER
-
-#include "NXpicturestr.h"
-#include "NXglyphstr.h"
-#include "Render.h"
-
-#define PANIC
-#define WARNING
-#undef DEBUG
-#undef TEST
-
-#else
-
-#include "picturestr.h"
-#include "glyphstr.h"
-
-#endif
-
-#if HAVE_STDINT_H
-#include <stdint.h>
-#elif !defined(UINT32_MAX)
-#define UINT32_MAX 0xffffffffU
-#endif
-
-/*
- * 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]))
-
-const CARD8 glyphDepths[GlyphFormatNum] = { 1, 4, 8, 16, 32 };
-
-GlyphHashRec globalGlyphs[GlyphFormatNum];
-
-GlyphHashSetPtr
-FindGlyphHashSet (CARD32 filled)
-{
- int i;
-
- for (i = 0; i < NGLYPHHASHSETS; i++)
- if (glyphHashSets[i].entries >= filled)
- return &glyphHashSets[i];
- return 0;
-}
-
-static int _GlyphSetPrivateAllocateIndex = 0;
-
-int
-AllocateGlyphSetPrivateIndex (void)
-{
- return _GlyphSetPrivateAllocateIndex++;
-}
-
-void
-ResetGlyphSetPrivateIndex (void)
-{
- _GlyphSetPrivateAllocateIndex = 0;
-}
-
-Bool
-_GlyphSetSetNewPrivate (GlyphSetPtr glyphSet, int n, pointer ptr)
-{
- pointer *new;
-
- if (n > glyphSet->maxPrivate) {
- if (glyphSet->devPrivates &&
- glyphSet->devPrivates != (pointer)(&glyphSet[1])) {
- new = (pointer *) xrealloc (glyphSet->devPrivates,
- (n + 1) * sizeof (pointer));
- if (!new)
- return FALSE;
- } else {
- new = (pointer *) xalloc ((n + 1) * sizeof (pointer));
- if (!new)
- return FALSE;
- if (glyphSet->devPrivates)
- memcpy (new,
- glyphSet->devPrivates,
- (glyphSet->maxPrivate + 1) * sizeof (pointer));
- }
- glyphSet->devPrivates = new;
- /* Zero out new, uninitialize privates */
- while (++glyphSet->maxPrivate < n)
- glyphSet->devPrivates[glyphSet->maxPrivate] = (pointer)0;
- }
- glyphSet->devPrivates[n] = ptr;
- return TRUE;
-}
-
-Bool
-GlyphInit (ScreenPtr pScreen)
-{
- return TRUE;
-}
-
-GlyphRefPtr
-FindGlyphRef (GlyphHashPtr hash, CARD32 signature, Bool match, GlyphPtr compare)
-{
- 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 (&compare->info, &glyph->info, compare->size) == 0))
- {
- break;
- }
- if (!step)
- {
- step = signature % hash->hashSet->rehash;
- if (!step)
- step = 1;
- }
- elt += step;
- if (elt >= tableSize)
- elt -= tableSize;
- }
- return gr;
-}
-
-CARD32
-HashGlyph (GlyphPtr glyph)
-{
- CARD32 *bits = (CARD32 *) &(glyph->info);
- CARD32 hash;
- int n = glyph->size / sizeof (CARD32);
-
- hash = 0;
- while (n--)
- hash ^= *bits++;
- return hash;
-}
-
-#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)
- {
- GlyphRefPtr gr;
- int i;
- int first;
-
- 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;
- }
-
- gr = FindGlyphRef (&globalGlyphs[format],
- HashGlyph (glyph), TRUE, glyph);
- 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--;
- }
- xfree (glyph);
- }
-}
-
-void
-AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
-{
- GlyphRefPtr gr;
- CARD32 hash;
-
- CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph top global");
- /* Locate existing matching glyph */
- hash = HashGlyph (glyph);
- gr = FindGlyphRef (&globalGlyphs[glyphSet->fdepth], hash, TRUE, glyph);
- if (gr->glyph && gr->glyph != DeletedGlyph)
- {
- xfree (glyph);
- glyph = gr->glyph;
- }
- else
- {
- gr->glyph = glyph;
- gr->signature = hash;
- 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;
-
- #ifdef NXAGENT_SERVER
-
- gr -> corruptedGlyph = 1;
-
- #endif
-
- 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;
-}
-
-#ifdef NXAGENT_SERVER
-
-GlyphPtr FindGlyph (GlyphSetPtr glyphSet, Glyph id)
-{
- GlyphRefPtr gr;
- GlyphPtr glyph;
-
- gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
- glyph = gr -> glyph;
-
- if (glyph == DeletedGlyph)
- {
- glyph = 0;
- }
- else if (gr -> corruptedGlyph == 1)
- {
- #ifdef DEBUG
- fprintf(stderr, "FindGlyphRef: Going to synchronize the glyph [%p] for glyphset [%p].\n",
- (void *) glyph, (void *) glyphSet);
- #endif
-
- nxagentAddGlyphs(glyphSet, &id, &(glyph -> info), 1,
- (CARD8*)(glyph + 1), glyph -> size - sizeof(xGlyphInfo));
- }
-
- return glyph;
-}
-
-#else
-
-GlyphPtr
-FindGlyph (GlyphSetPtr glyphSet, Glyph id)
-{
- GlyphPtr glyph;
-
- glyph = FindGlyphRef (&glyphSet->hash, id, FALSE, 0)->glyph;
- if (glyph == DeletedGlyph)
- glyph = 0;
- return glyph;
-}
-
-#endif
-
-GlyphPtr
-AllocateGlyph (xGlyphInfo *gi, int fdepth)
-{
- int size;
- GlyphPtr glyph;
- size_t padded_width;
-
- padded_width = PixmapBytePad (gi->width, glyphDepths[fdepth]);
- if (gi->height && padded_width > (UINT32_MAX - sizeof(GlyphRec))/gi->height)
- return 0;
- size = gi->height * padded_width;
- glyph = (GlyphPtr) xalloc (size + sizeof (GlyphRec));
- if (!glyph)
- return 0;
- glyph->refcnt = 0;
- glyph->size = size + sizeof (xGlyphInfo);
- glyph->info = *gi;
- return glyph;
-}
-
-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;
-
- #ifdef NXAGENT_SERVER
-
- CARD32 c;
-
- #endif
-
- 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;
-
- #ifdef NXAGENT_SERVER
-
- c = hash->table[i].corruptedGlyph;
-
- #endif
-
- gr = FindGlyphRef (&newHash, s, global, glyph);
- gr->signature = s;
- gr->glyph = glyph;
-
- #ifdef NXAGENT_SERVER
-
- gr -> corruptedGlyph = c;
-
- #endif
-
- ++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) +
- (sizeof (pointer) * _GlyphSetPrivateAllocateIndex));
- glyphSet = xalloc (size);
- if (!glyphSet)
- return FALSE;
- bzero((char *)glyphSet, size);
- glyphSet->maxPrivate = _GlyphSetPrivateAllocateIndex - 1;
- if (_GlyphSetPrivateAllocateIndex)
- glyphSet->devPrivates = (pointer)(&glyphSet[1]);
-
- 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);
-
- if (glyphSet->devPrivates &&
- glyphSet->devPrivates != (pointer)(&glyphSet[1]))
- xfree(glyphSet->devPrivates);
-
- xfree (glyphSet);
- }
- return Success;
-}
-
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