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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Routines for tracking beam compuatations |
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*/ |
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#include "rholo.h" |
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#include "view.h" |
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#include <sys/types.h> |
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#ifndef NFRAG2CHUNK |
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#define NFRAG2CHUNK 4096 /* number of fragments to start chunking */ |
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if (b->nrm > n) { /* (re)allocate packet holder */ |
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n = b->nrm; |
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if (p == NULL) p = (PACKHEAD *)malloc(packsiz(n)); |
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else p = (PACKHEAD *)realloc((char *)p, packsiz(n)); |
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else p = (PACKHEAD *)realloc((void *)p, packsiz(n)); |
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CHECK(p==NULL, SYSTEM, "out of memory in dispbeam"); |
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} |
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/* assign packet fields */ |
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bcopy((char *)hdbray(b), (char *)packra(p), b->nrm*sizeof(RAYVAL)); |
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bcopy((void *)hdbray(b), (void *)packra(p), b->nrm*sizeof(RAYVAL)); |
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p->nr = p->nc = b->nrm; |
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for (p->hd = 0; hdlist[p->hd] != hb->h; p->hd++) |
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if (hdlist[p->hd] == NULL) |
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p->bi = hb->b; |
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disp_packet(p); /* display it */ |
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if (n >= 1024) { /* free ridiculous packets */ |
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free((char *)p); |
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free((void *)p); |
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p = NULL; n = 0; |
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} |
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} |
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/* search for common members */ |
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for (csm = clist+nents; csm-- > clist; ) |
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csm->nc = -1; |
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qsort((char *)clist, nents, sizeof(PACKHEAD), beamidcmp); |
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qsort((void *)clist, nents, sizeof(PACKHEAD), beamidcmp); |
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for (i = 0; i < complen; i++) { |
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csm = (PACKHEAD *)bsearch((char *)(complist+i), (char *)clist, |
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csm = (PACKHEAD *)bsearch((void *)(complist+i), (void *)clist, |
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nents, sizeof(PACKHEAD), beamidcmp); |
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if (csm == NULL) |
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continue; |
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case BS_NEW: /* new computation set */ |
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listpos = 0; lastin = -1; |
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if (complen) /* free old list */ |
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free((char *)complist); |
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free((void *)complist); |
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complist = NULL; |
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if (!(complen = nents)) |
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return; |
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complist = (PACKHEAD *)malloc(nents*sizeof(PACKHEAD)); |
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if (complist == NULL) |
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goto memerr; |
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bcopy((char *)clist, (char *)complist, nents*sizeof(PACKHEAD)); |
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bcopy((void *)clist, (void *)complist, nents*sizeof(PACKHEAD)); |
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break; |
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case BS_ADD: /* add to computation set */ |
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case BS_MAX: /* maximum of quantities */ |
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if (nents <= 0) |
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return; |
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sortcomplist(); /* sort updated list & new entries */ |
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qsort((char *)clist, nents, sizeof(PACKHEAD), beamcmp); |
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qsort((void *)clist, nents, sizeof(PACKHEAD), beamcmp); |
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/* what can't we satisfy? */ |
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for (i = nents, csm = clist; i-- && csm->nr > csm->nc; csm++) |
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; |
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/* merge lists */ |
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mergeclists(newlist, clist, n, complist, complen); |
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if (complen) |
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free((char *)complist); |
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free((void *)complist); |
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complist = newlist; |
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complen += n; |
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} |
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hbarr[i].b = clist[i].bi; |
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} |
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hdloadbeams(hbarr, nents, dispbeam); |
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free((char *)hbarr); |
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free((void *)hbarr); |
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if (hdfragflags&FF_READ) { |
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listpos = 0; |
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lastin = -1; /* need to re-sort list */ |
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ambient_list() /* compute ambient beam list */ |
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{ |
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int4 wtotal, minrt; |
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int32 wtotal, minrt; |
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double frac; |
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int i; |
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register int j, k; |
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normaspect(viewaspect(&curview), &pa, &xr, &yr); |
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viewbeams(&curview, xr, yr, &blist); |
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bundle_set(BS_MAX, blist.bl, blist.nb); |
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free((char *)blist.bl); |
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free((void *)blist.bl); |
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} |
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} |
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register int k; |
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/* free old list and empty queue */ |
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if (complen > 0) { |
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free((char *)complist); |
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free((void *)complist); |
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done_packets(flush_queue()); |
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} |
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/* reseed random number generator */ |
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#endif |
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} |
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if (lastin < 0 || listpos*4 >= complen*3) |
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qsort((char *)complist, complen, sizeof(PACKHEAD), beamcmp); |
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qsort((void *)complist, complen, sizeof(PACKHEAD), beamcmp); |
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else if (listpos) { /* else sort and merge sublist */ |
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list2 = (PACKHEAD *)malloc(listpos*sizeof(PACKHEAD)); |
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CHECK(list2==NULL, SYSTEM, "out of memory in sortcomplist"); |
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bcopy((char *)complist,(char *)list2,listpos*sizeof(PACKHEAD)); |
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qsort((char *)list2, listpos, sizeof(PACKHEAD), beamcmp); |
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bcopy((void *)complist,(void *)list2,listpos*sizeof(PACKHEAD)); |
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qsort((void *)list2, listpos, sizeof(PACKHEAD), beamcmp); |
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mergeclists(complist, list2, listpos, |
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complist+listpos, complen-listpos); |
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free((char *)list2); |
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free((void *)list2); |
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} |
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/* drop satisfied requests */ |
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for (i = complen; i-- && complist[i].nr <= complist[i].nc; ) |
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; |
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if (i < 0) { |
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free((char *)complist); |
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free((void *)complist); |
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complist = NULL; |
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complen = 0; |
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} else if (i < complen-1) { |
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list2 = (PACKHEAD *)realloc((char *)complist, |
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list2 = (PACKHEAD *)realloc((void *)complist, |
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(i+1)*sizeof(PACKHEAD)); |
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if (list2 != NULL) |
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complist = list2; |