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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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|
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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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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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|
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extern char *fgetline(), *fgetword(), *sskip(), |
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*atos(), *iskip(), *fskip(), *strcpy(); |
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extern FILE *popen(); |
63 |
> |
void init(int np); |
64 |
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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 |
90 |
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i = 1; |
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/* set up rtrace command */ |
92 |
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for (i = 1; i < argc; i++) { |
92 |
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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; |
118 |
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if (nprocs > 1) { /* add persist file if parallel invocation */ |
119 |
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rtargv[rtargc++] = "-PP"; |
120 |
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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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|
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static void |
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killpersist(void) /* kill persistent process */ |
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{ |
162 |
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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; |
165 |
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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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void |
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quit(int status) /* exit with status */ |
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{ |
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struct rtproc *rtp; |
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int rtstat; |
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rtstat = close_process(rt.pd); |
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if (status == 0) |
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if (rtstat < 0) |
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error(WARNING, |
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"unknown return status from rtrace process"); |
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else |
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status = rtstat; |
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if (rt0.next != NULL) /* terminate persistent rtrace */ |
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killpersist(); |
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/* clean up rtrace process(es) */ |
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for (rtp = &rt0; rtp != NULL; rtp = rtp->next) { |
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rtstat = close_process(&rtp->pd); |
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if (status == 0) { |
184 |
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if (rtstat < 0) |
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error(WARNING, |
186 |
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"unknown return status from rtrace process"); |
187 |
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else |
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status = rtstat; |
189 |
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} |
190 |
> |
} |
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exit(status); |
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} |
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194 |
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195 |
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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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{ |
197 |
< |
extern int o_face(), o_sphere(), o_ring(); |
197 |
> |
struct rtproc *rtp; |
198 |
> |
int i; |
199 |
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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 */ |
205 |
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#ifdef SIGPIPE /* not present on Windows */ |
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signal(SIGPIPE, quit); |
207 |
< |
/* start rtrace process */ |
208 |
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errno = 0; |
209 |
< |
maxbytes = open_process(rt.pd, rtargv); |
210 |
< |
if (maxbytes == 0) { |
211 |
< |
eputs(rtargv[0]); |
212 |
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eputs(": command not found\n"); |
213 |
< |
exit(1); |
207 |
> |
#endif |
208 |
> |
rtp = &rt0; /* start rtrace process(es) */ |
209 |
> |
for (i = 0; i++ < np; ) { |
210 |
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errno = 0; |
211 |
> |
maxbytes = open_process(&rtp->pd, rtargv); |
212 |
> |
if (maxbytes == 0) { |
213 |
> |
eputs(rtargv[0]); |
214 |
> |
eputs(": command not found\n"); |
215 |
> |
exit(1); |
216 |
> |
} |
217 |
> |
if (maxbytes < 0) |
218 |
> |
error(SYSTEM, "cannot start rtrace process"); |
219 |
> |
if (!i && np > 1) |
220 |
> |
sleep(2); /* wait for persist file */ |
221 |
> |
rtp->bsiz = maxbytes/(6*sizeof(float)); |
222 |
> |
rtp->buf = (float *)malloc(6*sizeof(float)*rtp->bsiz--); |
223 |
> |
rtp->dest = (float **)calloc(rtp->bsiz, sizeof(float *)); |
224 |
> |
if (rtp->buf == NULL || rtp->dest == NULL) |
225 |
> |
error(SYSTEM, "out of memory in init"); |
226 |
> |
rtp->nrays = 0; |
227 |
> |
if (i == np) /* last process? */ |
228 |
> |
break; |
229 |
> |
rtp->next = (struct rtproc *)malloc(sizeof(struct rtproc)); |
230 |
> |
if (rtp->next == NULL) |
231 |
> |
error(SYSTEM, "out of memory in init"); |
232 |
> |
rtp = rtp->next; |
233 |
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} |
234 |
< |
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; |
234 |
> |
rtp->next = NULL; |
235 |
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/* set up urand */ |
236 |
|
initurand(16384); |
237 |
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} |
238 |
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|
239 |
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|
240 |
< |
eputs(s) /* put string to stderr */ |
241 |
< |
register char *s; |
240 |
> |
void |
241 |
> |
eputs( /* put string to stderr */ |
242 |
> |
register char *s |
243 |
> |
) |
244 |
|
{ |
245 |
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static int midline = 0; |
246 |
|
|
254 |
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} |
255 |
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|
256 |
|
|
257 |
+ |
void |
258 |
|
wputs(s) /* print warning if enabled */ |
259 |
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char *s; |
260 |
|
{ |
263 |
|
} |
264 |
|
|
265 |
|
|
266 |
< |
filter(infp, name) /* process stream */ |
267 |
< |
register FILE *infp; |
268 |
< |
char *name; |
266 |
> |
void |
267 |
> |
filter( /* process stream */ |
268 |
> |
register FILE *infp, |
269 |
> |
char *name |
270 |
> |
) |
271 |
|
{ |
272 |
|
char buf[512]; |
273 |
|
FILE *pfp; |
297 |
|
} |
298 |
|
|
299 |
|
|
300 |
< |
xoptions(s, nm) /* process options in string s */ |
301 |
< |
char *s; |
302 |
< |
char *nm; |
300 |
> |
void |
301 |
> |
xoptions( /* process options in string s */ |
302 |
> |
char *s, |
303 |
> |
char *nm |
304 |
> |
) |
305 |
|
{ |
306 |
|
extern FILE *freopen(); |
307 |
|
char buf[64]; |
318 |
|
case ' ': |
319 |
|
case '\t': |
320 |
|
case '\n': |
321 |
+ |
case '\r': |
322 |
+ |
case '\f': |
323 |
|
cp++; |
324 |
|
continue; |
325 |
|
case 'm': /* material name */ |
326 |
|
if (*++cp != '=') |
327 |
|
break; |
328 |
< |
if (!*++cp) |
328 |
> |
if (!*++cp || isspace(*cp)) |
329 |
|
break; |
330 |
|
atos(thisillum.matname, MAXSTR, cp); |
331 |
|
cp = sskip(cp); |
337 |
|
case 'f': /* data file name */ |
338 |
|
if (*++cp != '=') |
339 |
|
break; |
340 |
< |
if (!*++cp) { |
340 |
> |
if (!*++cp || isspace(*cp)) { |
341 |
|
strcpy(thisillum.datafile,thisillum.matname); |
342 |
|
thisillum.dfnum = 0; |
343 |
|
thisillum.flags &= ~IL_DATCLB; |
387 |
|
case 'd': /* point sample density */ |
388 |
|
if (*++cp != '=') |
389 |
|
break; |
390 |
< |
if (!isintd(++cp, " \t\n")) |
390 |
> |
if (!isintd(++cp, " \t\n\r")) |
391 |
|
break; |
392 |
|
thisillum.sampdens = atoi(cp); |
393 |
|
cp = sskip(cp); |
395 |
|
case 's': /* point super-samples */ |
396 |
|
if (*++cp != '=') |
397 |
|
break; |
398 |
< |
if (!isintd(++cp, " \t\n")) |
398 |
> |
if (!isintd(++cp, " \t\n\r")) |
399 |
|
break; |
400 |
|
thisillum.nsamps = atoi(cp); |
401 |
|
cp = sskip(cp); |
413 |
|
case 'b': /* brightness */ |
414 |
|
if (*++cp != '=') |
415 |
|
break; |
416 |
< |
if (!isfltd(++cp, " \t\n")) |
416 |
> |
if (!isfltd(++cp, " \t\n\r")) |
417 |
|
break; |
418 |
|
thisillum.minbrt = atof(cp); |
419 |
|
if (thisillum.minbrt < 0.) |
423 |
|
case 'o': /* output file */ |
424 |
|
if (*++cp != '=') |
425 |
|
break; |
426 |
< |
if (!*++cp) |
426 |
> |
if (!*++cp || isspace(*cp)) |
427 |
|
break; |
428 |
|
atos(buf, sizeof(buf), cp); |
429 |
|
cp = sskip(cp); |
441 |
|
return; |
442 |
|
} |
443 |
|
opterr: /* skip faulty option */ |
444 |
< |
cp = sskip(cp); |
444 |
> |
while (*cp && !isspace(*cp)) |
445 |
> |
cp++; |
446 |
|
nerrs++; |
447 |
|
} |
448 |
|
/* print header? */ |
460 |
|
printf("# %s", s+2); |
461 |
|
} |
462 |
|
|
463 |
< |
|
464 |
< |
printopts() /* print out option default values */ |
463 |
> |
void |
464 |
> |
printopts(void) /* print out option default values */ |
465 |
|
{ |
466 |
|
printf("m=%-15s\t\t# material name\n", thisillum.matname); |
467 |
|
printf("f=%-15s\t\t# data file name\n", thisillum.datafile); |
482 |
|
} |
483 |
|
|
484 |
|
|
485 |
< |
printhead(ac, av) /* print out header */ |
486 |
< |
register int ac; |
487 |
< |
register char **av; |
485 |
> |
void |
486 |
> |
printhead( /* print out header */ |
487 |
> |
register int ac, |
488 |
> |
register char **av |
489 |
> |
) |
490 |
|
{ |
491 |
|
putchar('#'); |
492 |
|
while (ac-- > 0) { |
497 |
|
} |
498 |
|
|
499 |
|
|
500 |
< |
xobject(fp, nm) /* translate an object from fp */ |
501 |
< |
FILE *fp; |
502 |
< |
char *nm; |
500 |
> |
void |
501 |
> |
xobject( /* translate an object from fp */ |
502 |
> |
FILE *fp, |
503 |
> |
char *nm |
504 |
> |
) |
505 |
|
{ |
506 |
|
OBJREC thisobj; |
507 |
|
char str[MAXSTR]; |
512 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
513 |
|
goto readerr; |
514 |
|
/* is it an alias? */ |
515 |
< |
if (!strcmp(str, ALIASID)) { |
515 |
> |
if (!strcmp(str, ALIASKEY)) { |
516 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
517 |
|
goto readerr; |
518 |
< |
printf("\n%s %s %s", thisillum.altmat, ALIASID, str); |
518 |
> |
printf("\n%s %s %s", thisillum.altmat, ALIASKEY, str); |
519 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
520 |
|
goto readerr; |
521 |
|
printf("\t%s\n", str); |
552 |
|
checkhead(); |
553 |
|
/* process object */ |
554 |
|
if (doit) |
555 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
555 |
> |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt0, nm); |
556 |
|
else |
557 |
|
printobj(thisillum.altmat, &thisobj); |
558 |
|
/* free arguments */ |