diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXglyph.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXglyph.c | 395 |
1 files changed, 1 insertions, 394 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c index 757ffff21..4359a552b 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c +++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c @@ -40,28 +40,10 @@ * 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" +#include "../../render/glyph.c" #ifdef NXAGENT_SERVER -#include "NXpicturestr.h" -#include "NXglyphstr.h" #include "Render.h" #define PANIC @@ -69,239 +51,9 @@ #undef DEBUG #undef TEST -#else - -#include "picturestr.h" -#include "glyphstr.h" - -#endif - -#include <stdint.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])) - -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, void * ptr) -{ - void **new; - - if (n > glyphSet->maxPrivate) { - if (glyphSet->devPrivates && - glyphSet->devPrivates != (void *)(&glyphSet[1])) { - new = (void **) xrealloc (glyphSet->devPrivates, - (n + 1) * sizeof (void *)); - if (!new) - return FALSE; - } else { - new = (void **) xalloc ((n + 1) * sizeof (void *)); - if (!new) - return FALSE; - if (glyphSet->devPrivates) - memcpy (new, - glyphSet->devPrivates, - (glyphSet->maxPrivate + 1) * sizeof (void *)); - } - glyphSet->devPrivates = new; - /* Zero out new, uninitialize privates */ - while (++glyphSet->maxPrivate < n) - glyphSet->devPrivates[glyphSet->maxPrivate] = (void *)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; @@ -342,26 +94,6 @@ AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph 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; -} - -#ifdef NXAGENT_SERVER - GlyphPtr FindGlyph (GlyphSetPtr glyphSet, Glyph id) { GlyphRefPtr gr; @@ -388,53 +120,6 @@ GlyphPtr FindGlyph (GlyphSetPtr glyphSet, Glyph id) 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) { @@ -497,81 +182,3 @@ ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool 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 (void *) * _GlyphSetPrivateAllocateIndex)); - glyphSet = xalloc (size); - if (!glyphSet) - return FALSE; - bzero((char *)glyphSet, size); - glyphSet->maxPrivate = _GlyphSetPrivateAllocateIndex - 1; - if (_GlyphSetPrivateAllocateIndex) - glyphSet->devPrivates = (void *)(&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 (void * 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 != (void *)(&glyphSet[1])) - xfree(glyphSet->devPrivates); - - xfree (glyphSet); - } - return Success; -} - |