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Use the recursive set allocator for mightsee.

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This completely removes the lock used to protect the set allocation code
while keeping the use of the set api clean.
This commit is contained in:
Bill Currie 2013-03-18 13:30:50 +09:00
parent 247f3be0c0
commit 1c20a49dba
3 changed files with 7 additions and 6 deletions
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1
tools/qfvis/include/vis.h
View file

@ -129,6 +129,7 @@ typedef struct threaddata_s {
portal_t *base; ///< portal for which this thread is being run
pstack_t pstack_head;
sep_t *sep_freelist; ///< per-thread list of free separators
set_pool_t set_pool;
} threaddata_t;
extern int numportals;

11
tools/qfvis/source/flow.c
View file

@ -75,15 +75,13 @@ CheckStack (cluster_t *cluster, threaddata_t *thread)
}
static pstack_t *
new_stack (void)
new_stack (threaddata_t *td)
{
pstack_t *stack;
stack = malloc (sizeof (pstack_t));
stack->next = 0;
LOCK;
stack->mightsee = set_new_size (portalclusters);
UNLOCK;
stack->mightsee = set_new_size_r (&td->set_pool, portalclusters);
return stack;
}
@ -286,7 +284,7 @@ RecursiveClusterFlow (int clusternum, threaddata_t *thread, pstack_t *prevstack)
thread->stats.chains++;
if (!prevstack->next)
prevstack->next = new_stack ();
prevstack->next = new_stack (thread);
stack = prevstack->next;
stack->cluster = 0;
@ -465,9 +463,10 @@ PortalFlow (threaddata_t *data, portal_t *portal)
if (portal->status != stat_selected)
Sys_Error ("PortalFlow: reflowed");
portal->status = stat_working;
portal->visbits = set_new_size (portalclusters);
UNLOCK;
portal->visbits = set_new_size_r (&data->set_pool, portalclusters);
data->clustervis = portal->visbits;
data->base = portal;

1
tools/qfvis/source/qfvis.c
View file

@ -363,6 +363,7 @@ LeafThread (void *_thread)
threaddata_t data;
memset (&data, 0, sizeof (data));
set_pool_init (&data.set_pool);
do {
portal = GetNextPortal ();
if (!portal)