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[qw] Move the pvs and phs sets into single hunks

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Hunk_Alloc has a rather large per-block overhead. Also, small pvs sets
(64 leafs) will fit into just the basic set structure so no need to
allocate data for the maps.
This commit is contained in:
Bill Currie 2021-07-26 22:36:07 +09:00
parent cf96f340df
commit bd2ceca13a
1 changed files with 30 additions and 7 deletions
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37
qw/source/sv_init.c
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@ -214,6 +214,31 @@ SV_SaveSpawnparms (void)
}
}
static set_t *
sv_alloc_vis_array (unsigned numleafs)
{
unsigned size = SET_SIZE (numleafs);
if (size > SET_DEFMAP_SIZE * SET_BITS) {
set_t *sets = Hunk_Alloc (numleafs * (sizeof (set_t) + size / 8));
unsigned words = size / SET_BITS;
set_bits_t *bits = (set_bits_t *) (&sets[numleafs] + 1);
for (unsigned i = 0; i < numleafs; i++) {
sets[i].size = size;
sets[i].map = bits;
bits += words;
}
return sets;
} else {
set_t *sets = Hunk_Alloc (numleafs * (sizeof (set_t) + size / 8));
for (unsigned i = 0; i < numleafs; i++) {
sets[i].size = size;
sets[i].map = sets[i].defmap;
}
return sets;
}
}
/*
SV_CalcPHS
@ -223,16 +248,15 @@ SV_SaveSpawnparms (void)
static void
SV_CalcPHS (void)
{
int count, num, vcount, i;
int64_t count, vcount;
int num, i;
SV_Printf ("Building PHS...\n");
num = sv.worldmodel->brush.numleafs;
sv.pvs = Hunk_Alloc (num * sizeof (set_t));
sv.pvs = sv_alloc_vis_array (num);
vcount = 0;
for (i = 0; i < num; i++) {
sv.pvs[i] = (set_t) SET_STATIC_INIT (num, Hunk_Alloc);
Mod_LeafPVS_set (sv.worldmodel->brush.leafs + i, sv.worldmodel, 0xff,
&sv.pvs[i]);
if (i == 0)
@ -243,10 +267,9 @@ SV_CalcPHS (void)
}
}
sv.phs = Hunk_Alloc (num * sizeof (set_t));
sv.phs = sv_alloc_vis_array (num);
count = 0;
for (i = 0; i < num; i++) {
sv.phs[i] = (set_t) SET_STATIC_INIT (num, Hunk_Alloc);
set_assign (&sv.phs[i], &sv.pvs[i]);
for (set_iter_t *iter = set_first (&sv.pvs[i]); iter;
@ -265,7 +288,7 @@ SV_CalcPHS (void)
}
SV_Printf ("Average leafs visible / hearable / total: %i / %i / %i\n",
vcount / num, count / num, num);
(int) (vcount / num), (int) (count / num), num);
}
static unsigned int