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Add a bunch more statistics.

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Now I know why sphere culling was a loss: 78% of all tested target portals
were trimmed by ClipToSeparators (50% eventually clipped away entirely).
This commit is contained in:
Bill Currie 2013-03-14 19:40:31 +09:00
parent 97da7fe31d
commit 77c858060d
3 changed files with 36 additions and 1 deletions
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6
tools/qfvis/include/vis.h
View file

@ -110,6 +110,12 @@ typedef struct {
int portaltest; ///< number of portals tested via separators
int portalpass; ///< number of portals through which vis passes
int portalcheck; ///< number of portal checks
int targettested; ///< number of times target portal tested
int targettrimmed; ///< number of times target portal trimmed
int targetclipped; ///< number of times target portal clipped away
int sourcetested; ///< number of times source portal tested
int sourcetrimmed; ///< number of times source portal trimmed
int sourceclipped; ///< number of times source portal clipped away
int chains; ///< number of visits to clusters
int mighttest; ///< amount mightsee is used for masked tests
int vistest; ///< amount visbits is used for masked tests

18
tools/qfvis/source/flow.c
View file

@ -355,17 +355,22 @@ RecursiveClusterFlow (int clusternum, threaddata_t *thread, pstack_t *prevstack)
}
thread->stats.portaltest++;
thread->stats.targettested++;
if (options.level > 0) {
// clip target to the image that would be formed by a laser
// pointing from the edges of source passing though the corners of
// pass
winding_t *old = target;
target = ClipToSeparators (thread, &stack, source, prevstack->pass,
target, 0);
if (!target) {
thread->stats.targetclipped++;
FreeWinding (source);
continue;
}
if (target != old)
thread->stats.targettrimmed++;
}
if (options.level > 1) {
@ -375,32 +380,45 @@ RecursiveClusterFlow (int clusternum, threaddata_t *thread, pstack_t *prevstack)
// source shining past pass. eg, if source and pass are equilateral
// triangles rotated 60 (or 180) degrees relative to each other,
// parallel and in line, target will wind up being a hexagon.
winding_t *old = target;
target = ClipToSeparators (thread, &stack, prevstack->pass, source,
target, 1);
if (!target) {
thread->stats.targetclipped++;
FreeWinding (source);
continue;
}
if (target != old)
thread->stats.targettrimmed++;
}
thread->stats.sourcetested++;
// now do the same as for levels 1 and 2, but trimming source using
// the trimmed target
if (options.level > 2) {
winding_t *old = source;
source = ClipToSeparators (thread, &stack, target, prevstack->pass,
source, 2);
if (!source) {
thread->stats.sourceclipped++;
FreeWinding (target);
continue;
}
if (source != old)
thread->stats.sourcetrimmed++;
}
if (options.level > 3) {
winding_t *old = source;
source = ClipToSeparators (thread, &stack, prevstack->pass, target,
source, 3);
if (!source) {
thread->stats.sourceclipped++;
FreeWinding (target);
continue;
}
if (source != old)
thread->stats.sourcetrimmed++;
}
stack.source = source;

13
tools/qfvis/source/qfvis.c
View file

@ -306,6 +306,12 @@ PortalCompleted (threaddata_t *thread, portal_t *completed)
stats.portaltest += thread->stats.portaltest;
stats.portalpass += thread->stats.portalpass;
stats.portalcheck += thread->stats.portalcheck;
stats.targettested += thread->stats.targettested;
stats.targettrimmed += thread->stats.targettrimmed;
stats.targetclipped += thread->stats.targetclipped;
stats.sourcetested += thread->stats.sourcetested;
stats.sourcetrimmed += thread->stats.sourcetrimmed;
stats.sourceclipped += thread->stats.sourceclipped;
stats.chains += thread->stats.chains;
stats.mighttest += thread->stats.mighttest;
stats.vistest += thread->stats.vistest;
@ -562,7 +568,12 @@ CalcPortalVis (void)
if (options.verbosity > 0) {
printf ("portalcheck: %i portaltest: %i portalpass: %i\n",
stats.portalcheck, stats.portaltest, stats.portalpass);
printf ("vistest: %i mighttest: %i mightseeupdate: %i\n", stats.vistest, stats.mighttest, stats.mightseeupdate);
printf ("target trimmed: %d clipped: %d tested: %d\n",
stats.targettrimmed, stats.targetclipped, stats.targettested);
printf ("source trimmed: %d clipped: %d tested: %d\n",
stats.sourcetrimmed, stats.sourceclipped, stats.sourcetested);
printf ("vistest: %i mighttest: %i mightseeupdate: %i\n",
stats.vistest, stats.mighttest, stats.mightseeupdate);
}
}