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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Make illum sources for optimizing rendering process |
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*/ |
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#include "mkillum.h" |
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#include <signal.h> |
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#include <ctype.h> |
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#include "platform.h" |
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#include "mkillum.h" |
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#include "random.h" |
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|
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/* default parameters */ |
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#define SAMPDENS 48 /* points per projected steradian */ |
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#define NSAMPS 32 /* samples per point */ |
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|
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/* rtrace command and defaults */ |
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char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
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"-ab", "2", "-ad", "256", "-as", "128", "-aa", ".15", }; |
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"-ab", "2", "-ad", "1024", "-as", "512", "-aa", ".1", }; |
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int rtargc = 14; |
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/* overriding rtrace options */ |
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char *myrtopts[] = { "-I-", "-i-", "-ov", "-h-", "-fff", "-y", "0", NULL }; |
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char *myrtopts[] = { "-I-", "-i-", "-ld-", "-ov", "-h-", |
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"-fff", "-y", "0", NULL }; |
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|
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struct rtproc rt; /* our rtrace process */ |
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struct rtproc rt0; /* head of rtrace process list */ |
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struct illum_args thisillum = { /* our illum and default values */ |
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0, |
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FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
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char persistfn[] = "pfXXXXXX"; /* persist file name */ |
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|
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int gargc; /* global argc */ |
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char **gargv; /* global argv */ |
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#define progname gargv[0] |
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int warnings = 1; /* print warnings? */ |
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extern char *fgetline(), *fgetword(), *sskip(), |
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*atos(), *iskip(), *fskip(), *strcpy(); |
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extern FILE *popen(); |
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int done_rprocs(struct rtproc *rtp); |
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void init(int np); |
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void filter(register FILE *infp, char *name); |
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void xoptions(char *s, char *nm); |
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void printopts(void); |
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void printhead(register int ac, register char **av); |
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void xobject(FILE *fp, char *nm); |
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main(argc, argv) /* compute illum distributions using rtrace */ |
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int argc; |
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char *argv[]; |
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int |
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main( /* compute illum distributions using rtrace */ |
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int argc, |
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char *argv[] |
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) |
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{ |
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extern char *getenv(), *getpath(); |
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int nprocs = 1; |
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char *rtpath; |
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FILE *fp; |
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register int i; |
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/* set global arguments */ |
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gargv = argv; |
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/* check for -n option */ |
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if (!strcmp(argv[1], "-n")) { |
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nprocs = atoi(argv[2]); |
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if (nprocs <= 0) |
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error(USER, "illegal number of processes"); |
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i = 3; |
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} else |
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i = 1; |
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/* set up rtrace command */ |
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for (i = 1; i < argc; i++) { |
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for ( ; i < argc; i++) { |
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if (argv[i][0] == '<' && argv[i][1] == '\0') |
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break; |
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rtargv[rtargc++] = argv[i]; |
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} |
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} |
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gargc = i; |
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rtargc--; |
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if (!strcmp(rtargv[--rtargc], "-defaults")) |
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nprocs = 0; |
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if (nprocs > 1) { /* add persist file if parallel invocation */ |
120 |
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rtargv[rtargc++] = "-PP"; |
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rtargv[rtargc++] = mktemp(persistfn); |
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} |
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/* add "mandatory" rtrace options */ |
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for (i = 0; myrtopts[i] != NULL; i++) |
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rtargv[rtargc++] = myrtopts[i]; |
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/* finally, put back final argument */ |
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rtargv[rtargc++] = argv[gargc-1]; |
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rtargv[rtargc] = NULL; |
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/* just asking for defaults? */ |
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if (!strcmp(argv[gargc-1], "-defaults")) { |
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if (!nprocs) { /* just asking for defaults? */ |
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printopts(); fflush(stdout); |
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rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
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if (rtpath == NULL) { |
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exit(1); |
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} |
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execv(rtpath, rtargv); |
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perror(rtpath); |
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perror(rtpath); /* execv() should not return */ |
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exit(1); |
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} |
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if (gargc < 2 || argv[gargc-1][0] == '-') |
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error(USER, "missing octree argument"); |
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/* else initialize and run our calculation */ |
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init(); |
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init(nprocs); |
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if (gargc+1 < argc) |
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for (i = gargc+1; i < argc; i++) { |
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if ((fp = fopen(argv[i], "r")) == NULL) { |
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quit(0); |
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} |
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static void |
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killpersist(void) /* kill persistent rtrace process */ |
162 |
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{ |
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FILE *fp = fopen(persistfn, "r"); |
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int pid; |
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|
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quit(status) /* exit with status */ |
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int status; |
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if (fp == NULL) |
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return; |
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if (fscanf(fp, "%*s %d", &pid) != 1 || kill(pid, SIGALRM) < 0) |
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unlink(persistfn); |
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fclose(fp); |
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} |
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|
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int |
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> |
done_rprocs(struct rtproc *rtp) |
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{ |
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int st0, st1 = 0; |
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|
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if (rtp->next != NULL) { /* close last opened first! */ |
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st1 = done_rprocs(rtp->next); |
180 |
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free((void *)rtp->next); |
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rtp->next = NULL; |
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} |
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st0 = close_process(&rtp->pd); |
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if (st0 < 0) |
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error(WARNING, "unknown return status from rtrace process"); |
186 |
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else if (st0 > 0) |
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return(st0); |
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return(st1); |
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} |
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|
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void |
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quit(int status) /* exit with status */ |
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{ |
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int rtstat; |
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|
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rtstat = close_process(rt.pd); |
196 |
> |
if (rt0.next != NULL) /* terminate persistent rtrace */ |
197 |
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killpersist(); |
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/* clean up rtrace process(es) */ |
199 |
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rtstat = done_rprocs(&rt0); |
200 |
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if (status == 0) |
201 |
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if (rtstat < 0) |
148 |
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error(WARNING, |
149 |
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"unknown return status from rtrace process"); |
150 |
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else |
151 |
< |
status = rtstat; |
201 |
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status = rtstat; |
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exit(status); |
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} |
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206 |
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init() /* start rtrace and set up buffers */ |
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void |
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init(int np) /* start rtrace and set up buffers */ |
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{ |
208 |
< |
extern int o_face(), o_sphere(), o_ring(); |
208 |
> |
struct rtproc *rtp; |
209 |
> |
int i; |
210 |
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int maxbytes; |
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/* set up object functions */ |
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ofun[OBJ_FACE].funp = o_face; |
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ofun[OBJ_SPHERE].funp = o_sphere; |
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ofun[OBJ_RING].funp = o_ring; |
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/* set up signal handling */ |
216 |
+ |
#ifdef SIGPIPE /* not present on Windows */ |
217 |
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signal(SIGPIPE, quit); |
218 |
< |
/* start rtrace process */ |
219 |
< |
errno = 0; |
220 |
< |
maxbytes = open_process(rt.pd, rtargv); |
221 |
< |
if (maxbytes == 0) { |
222 |
< |
eputs(rtargv[0]); |
223 |
< |
eputs(": command not found\n"); |
224 |
< |
exit(1); |
218 |
> |
#endif |
219 |
> |
rtp = &rt0; /* start rtrace process(es) */ |
220 |
> |
for (i = 0; i++ < np; ) { |
221 |
> |
errno = 0; |
222 |
> |
maxbytes = open_process(&rtp->pd, rtargv); |
223 |
> |
if (maxbytes == 0) { |
224 |
> |
eputs(rtargv[0]); |
225 |
> |
eputs(": command not found\n"); |
226 |
> |
exit(1); |
227 |
> |
} |
228 |
> |
if (maxbytes < 0) |
229 |
> |
error(SYSTEM, "cannot start rtrace process"); |
230 |
> |
rtp->bsiz = maxbytes/(6*sizeof(float)); |
231 |
> |
rtp->buf = (float *)malloc(6*sizeof(float)*rtp->bsiz--); |
232 |
> |
rtp->dest = (float **)calloc(rtp->bsiz, sizeof(float *)); |
233 |
> |
if (rtp->buf == NULL || rtp->dest == NULL) |
234 |
> |
error(SYSTEM, "out of memory in init"); |
235 |
> |
rtp->nrays = 0; |
236 |
> |
if (i == np) /* last process? */ |
237 |
> |
break; |
238 |
> |
if (np > 1) |
239 |
> |
sleep(2); /* wait for persist file */ |
240 |
> |
rtp->next = (struct rtproc *)malloc(sizeof(struct rtproc)); |
241 |
> |
if (rtp->next == NULL) |
242 |
> |
error(SYSTEM, "out of memory in init"); |
243 |
> |
rtp = rtp->next; |
244 |
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} |
245 |
< |
if (maxbytes < 0) |
175 |
< |
error(SYSTEM, "cannot start rtrace process"); |
176 |
< |
rt.bsiz = maxbytes/(6*sizeof(float)); |
177 |
< |
rt.buf = (float *)malloc(6*sizeof(float)*rt.bsiz--); |
178 |
< |
rt.dest = (float **)malloc(sizeof(float *)*rt.bsiz); |
179 |
< |
if (rt.buf == NULL || rt.dest == NULL) |
180 |
< |
error(SYSTEM, "out of memory in init"); |
181 |
< |
rt.nrays = 0; |
245 |
> |
rtp->next = NULL; |
246 |
|
/* set up urand */ |
247 |
< |
initurand(2048); |
247 |
> |
initurand(16384); |
248 |
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} |
249 |
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|
250 |
|
|
251 |
< |
eputs(s) /* put string to stderr */ |
252 |
< |
register char *s; |
251 |
> |
void |
252 |
> |
eputs( /* put string to stderr */ |
253 |
> |
register char *s |
254 |
> |
) |
255 |
|
{ |
256 |
|
static int midline = 0; |
257 |
|
|
265 |
|
} |
266 |
|
|
267 |
|
|
268 |
+ |
void |
269 |
|
wputs(s) /* print warning if enabled */ |
270 |
|
char *s; |
271 |
|
{ |
274 |
|
} |
275 |
|
|
276 |
|
|
277 |
< |
filter(infp, name) /* process stream */ |
278 |
< |
register FILE *infp; |
279 |
< |
char *name; |
277 |
> |
void |
278 |
> |
filter( /* process stream */ |
279 |
> |
register FILE *infp, |
280 |
> |
char *name |
281 |
> |
) |
282 |
|
{ |
283 |
|
char buf[512]; |
284 |
|
FILE *pfp; |
308 |
|
} |
309 |
|
|
310 |
|
|
311 |
< |
xoptions(s, nm) /* process options in string s */ |
312 |
< |
char *s; |
313 |
< |
char *nm; |
311 |
> |
void |
312 |
> |
xoptions( /* process options in string s */ |
313 |
> |
char *s, |
314 |
> |
char *nm |
315 |
> |
) |
316 |
|
{ |
317 |
|
extern FILE *freopen(); |
318 |
|
char buf[64]; |
329 |
|
case ' ': |
330 |
|
case '\t': |
331 |
|
case '\n': |
332 |
+ |
case '\r': |
333 |
+ |
case '\f': |
334 |
|
cp++; |
335 |
|
continue; |
336 |
|
case 'm': /* material name */ |
337 |
|
if (*++cp != '=') |
338 |
|
break; |
339 |
< |
if (!*++cp) |
339 |
> |
if (!*++cp || isspace(*cp)) |
340 |
|
break; |
341 |
|
atos(thisillum.matname, MAXSTR, cp); |
342 |
|
cp = sskip(cp); |
348 |
|
case 'f': /* data file name */ |
349 |
|
if (*++cp != '=') |
350 |
|
break; |
351 |
< |
if (!*++cp) { |
351 |
> |
if (!*++cp || isspace(*cp)) { |
352 |
|
strcpy(thisillum.datafile,thisillum.matname); |
353 |
|
thisillum.dfnum = 0; |
354 |
|
thisillum.flags &= ~IL_DATCLB; |
398 |
|
case 'd': /* point sample density */ |
399 |
|
if (*++cp != '=') |
400 |
|
break; |
401 |
< |
if (!isintd(++cp, " \t\n")) |
401 |
> |
if (!isintd(++cp, " \t\n\r")) |
402 |
|
break; |
403 |
|
thisillum.sampdens = atoi(cp); |
404 |
|
cp = sskip(cp); |
406 |
|
case 's': /* point super-samples */ |
407 |
|
if (*++cp != '=') |
408 |
|
break; |
409 |
< |
if (!isintd(++cp, " \t\n")) |
409 |
> |
if (!isintd(++cp, " \t\n\r")) |
410 |
|
break; |
411 |
|
thisillum.nsamps = atoi(cp); |
412 |
|
cp = sskip(cp); |
424 |
|
case 'b': /* brightness */ |
425 |
|
if (*++cp != '=') |
426 |
|
break; |
427 |
< |
if (!isfltd(++cp, " \t\n")) |
427 |
> |
if (!isfltd(++cp, " \t\n\r")) |
428 |
|
break; |
429 |
|
thisillum.minbrt = atof(cp); |
430 |
|
if (thisillum.minbrt < 0.) |
434 |
|
case 'o': /* output file */ |
435 |
|
if (*++cp != '=') |
436 |
|
break; |
437 |
< |
if (!*++cp) |
437 |
> |
if (!*++cp || isspace(*cp)) |
438 |
|
break; |
439 |
|
atos(buf, sizeof(buf), cp); |
440 |
|
cp = sskip(cp); |
452 |
|
return; |
453 |
|
} |
454 |
|
opterr: /* skip faulty option */ |
455 |
< |
cp = sskip(cp); |
455 |
> |
while (*cp && !isspace(*cp)) |
456 |
> |
cp++; |
457 |
|
nerrs++; |
458 |
|
} |
459 |
|
/* print header? */ |
471 |
|
printf("# %s", s+2); |
472 |
|
} |
473 |
|
|
474 |
< |
|
475 |
< |
printopts() /* print out option default values */ |
474 |
> |
void |
475 |
> |
printopts(void) /* print out option default values */ |
476 |
|
{ |
477 |
|
printf("m=%-15s\t\t# material name\n", thisillum.matname); |
478 |
|
printf("f=%-15s\t\t# data file name\n", thisillum.datafile); |
493 |
|
} |
494 |
|
|
495 |
|
|
496 |
< |
printhead(ac, av) /* print out header */ |
497 |
< |
register int ac; |
498 |
< |
register char **av; |
496 |
> |
void |
497 |
> |
printhead( /* print out header */ |
498 |
> |
register int ac, |
499 |
> |
register char **av |
500 |
> |
) |
501 |
|
{ |
502 |
|
putchar('#'); |
503 |
|
while (ac-- > 0) { |
508 |
|
} |
509 |
|
|
510 |
|
|
511 |
< |
xobject(fp, nm) /* translate an object from fp */ |
512 |
< |
FILE *fp; |
513 |
< |
char *nm; |
511 |
> |
void |
512 |
> |
xobject( /* translate an object from fp */ |
513 |
> |
FILE *fp, |
514 |
> |
char *nm |
515 |
> |
) |
516 |
|
{ |
517 |
|
OBJREC thisobj; |
518 |
|
char str[MAXSTR]; |
523 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
524 |
|
goto readerr; |
525 |
|
/* is it an alias? */ |
526 |
< |
if (!strcmp(str, ALIASID)) { |
526 |
> |
if (!strcmp(str, ALIASKEY)) { |
527 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
528 |
|
goto readerr; |
529 |
< |
printf("\n%s %s %s", thisillum.altmat, ALIASID, str); |
529 |
> |
printf("\n%s %s %s", thisillum.altmat, ALIASKEY, str); |
530 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
531 |
|
goto readerr; |
532 |
|
printf("\t%s\n", str); |
563 |
|
checkhead(); |
564 |
|
/* process object */ |
565 |
|
if (doit) |
566 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
566 |
> |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt0, nm); |
567 |
|
else |
568 |
|
printobj(thisillum.altmat, &thisobj); |
569 |
|
/* free arguments */ |