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39 commits

Author SHA1 Message Date
Bill Currie
46d41ad9ac Split up separator finding and winding clipping. 
Interesting, it makes very little (maybe faster) difference to find all the
separators for levels 3 and 4. This might be due to the higher levels using
most of the planes to fully clip source away. Anyway, it makes the code a
little clearer (one function, one task).
 2013-03-15 16:00:39 +09:00
Bill Currie
77c858060d Add a bunch more statistics. 
Now I know why sphere culling was a loss: 78% of all tested target portals
were trimmed by ClipToSeparators (50% eventually clipped away entirely).
 2013-03-14 19:43:46 +09:00
Bill Currie
8032d1d4d1 Split out the mightsee intersection/subset tests. 
Having the code in separate functions makes the flow in the main loop a
little easier to follow.
 2013-03-14 19:43:46 +09:00
Bill Currie
eec87bd61b Remove thread from stack_t. 
It really wasn't gaining anything and made reading the code a little
harder.
 2013-03-14 19:43:46 +09:00
Bill Currie
5d6df082f2 Move the vis stats vars into thread data. 
This should make the stats more reliable when running multi-threaded
(chains is still random, but it seems there are set access issues).
 2013-03-14 12:52:40 +09:00
Bill Currie
3232c22795 Implement mightsee updates from tyrutils. 
It doesn't seem to make much difference, but I suspect that's my set code
not being optimal for the job.
 2013-03-09 14:32:51 +09:00
Bill Currie
d1e65257b6 Implement the cached separators idea from tyrutils. 
I think the reason I didn't think of that when I tried to improve qfvis's
performance many years ago is I just simply did not understand
ClipToSeparators. However, the difference caching the separators makes is
phenomenal. Before the change, single threaded qfvis would get stuck on one
particular portal for at least a day (I gave up waiting), but now even a
debug build will complete gmsp3v2.bsp in less than 12 minutes (4 threads on
my quad-core). And that's at level 2! Getting stuck for a day was at level
0.
 2013-03-08 22:20:29 +09:00
Bill Currie
4e87072d93 Fix a bunch of whitespace. 2013-03-07 14:31:00 +09:00
Bill Currie
4ccb4a4667 Make the test and vis set pointers const. 2013-03-07 14:28:15 +09:00
Bill Currie
281c5f185d Correct the "can see anything new" check. 
I had the super-set and sub-set parameters backwards, but that's because I
had misinterpreted the old code.
 2013-03-07 14:24:30 +09:00
Bill Currie
299ff8f575 Use set functions for qfvis. 
While noticeably slower than the previous expanded set manipulation code,
this is much easier to read. I can worry about optimizing the set code when
I get qfvis behaving better.
 2013-03-07 11:06:55 +09:00
Bill Currie
23a38738fc Massive whitespace cleanup. 
Lots of trailing whitespace and otherwise blank lines.
 2012-05-22 08:23:22 +09:00
Bill Currie
bc1b483525 Nuke the rcsid stuff. 
It's pretty useless in git.
 2012-04-22 10:56:32 +09:00
Bill Currie
997102fea8 audit the usage of "only" 
There are still a few iffy places (notably around certain prepositions), but
the relevant sentences are now much easier to read.
 2010-01-13 06:42:26 +00:00
Bill Currie
3fb03fc2be hah, should have been using __attribute__((used)) all that time (rather 
than __attribute__((unused))). fixes the missing console in -x11
 2005-08-04 15:27:09 +00:00
Ragnvald Maartmann-Moe IV
527342d80d Whitespace, codingstyle, pouncing shalraths. 2004-02-08 02:53:58 +00:00
Bill Currie
39c0a0f08d make cluster recursion a warning rather than an error (see how this goes) 2003-09-24 00:59:53 +00:00
Bill Currie
0a8867fde9 replace all VectorSubtract (vec3_origin, ... and 
VectorCopy (vec3_origin, ... with VectorNegate (... and VectorZero (...,
respectively. Should be a small speedup.
 2003-09-03 22:17:04 +00:00
Bill Currie
7073afc0a4 port in OQ's detail, hint and skip brush/texture enhancements 2003-02-04 23:26:26 +00:00
Bill Currie
761a7546dd re-arrange things so __attribute__ and __builtin_expect are properly 
autoconfiscated so rcsid will continue to work with gcc 3.3
 2003-01-15 15:31:36 +00:00
Bill Currie
71196fedf6 make gcc more anal about prototypes, string constants and function 
visibility (ie, global functions must have a prototype)
 2003-01-06 18:28:13 +00:00
Bill Currie
2a56b8f15f go back to the `long way' for the cross product as qfvis was no longer 
getting the same results as vis (that may be acceptable, but not yet:)
 2002-09-26 03:58:22 +00:00
Bill Currie
e81a0e2095 qfvis and qflight are still copyright Id 2002-09-25 01:51:58 +00:00
Bill Currie
324172414a use the vector math macros from mathlib.h to make the math in 
ClipToSeparators clearer and comment on how --level effects the vis
calculations
 2002-09-24 21:48:47 +00:00
Bill Currie
5904859cca split the base vis functions out of flow.c, add -D_REENTRANT to the compile 
for qfvis and a bunch of whitespace
 2002-09-24 02:46:03 +00:00
Bill Currie
ded572b31f various var cleanups 2002-09-23 22:54:28 +00:00
Bill Currie
ee61eaebbb don't do threading if only 1 thread is used and add another state to 
vstatus_t for better portal state checking
 2002-09-22 21:54:41 +00:00
Bill Currie
528eec1e12 go back to bailing out on errors 2002-09-22 21:32:36 +00:00
Bill Currie
a751e39674 re-enable the break to speed up vis 2002-09-22 04:17:30 +00:00
Bill Currie
c57b395a0f correct a spelling error and make a comment a little clearer 2002-09-22 03:48:16 +00:00
Bill Currie
b6edd778e7 more malloc/memset to calloc 2002-09-21 22:15:57 +00:00
Bill Currie
c1c36f79f5 remove a dead var from flow.c and make the mutex use defaults (not sure if 
the thing even works:( )
 2002-09-21 21:17:32 +00:00
Bill Currie
35a14572be report on the non-reliability of c_chains when threads are used 2002-09-21 03:51:50 +00:00
Bill Currie
56843557f6 make _VectorCompare use EQUAL_EPSILON (VectorCompare is still the fast 
macro) and use it instead of VectorCompare in the map tools. This (and, it
seems, RINT) fixes qfbsp on spc. Also, jump /all/ entities that get hit
by the filler in qfbsp
 2002-09-20 17:02:53 +00:00
Ragnvald Maartmann-Moe IV
6376ebb253 Whitespace. 2002-09-19 02:37:52 +00:00
Bill Currie
beb6219072 bring in rvis' speedup. I won't pretend to understand what's going on, so 
it's tagged :)
 2002-09-12 21:11:52 +00:00
Bill Currie
ec47e08e1c go back to using QFile, quakeio.h and quakefs.h 2002-08-27 07:16:28 +00:00
Bill Currie
5108c3c976 more (believable:) whitespace 2002-08-26 15:05:23 +00:00
Ragnvald Maartmann-Moe IV
a3af2d9fa9 Add Hideo's WIP qflight & qfvis. 2002-08-25 23:06:23 +00:00