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#ifndef lint |
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static const char RCSid[] = "$Id: ratmain.cpp,v 2.1 2023/02/08 17:41:48 greg Exp $"; |
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#endif |
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/* |
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* rtmain.c - main for rtrace per-ray calculation program |
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*/ |
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|
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#include "copyright.h" |
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|
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#include <signal.h> |
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|
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#include "rtprocess.h" /* getpid() */ |
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#include "platform.h" |
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#include "RtraceSimulManager.h" |
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|
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extern char *progname; /* global argv[0] */ |
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|
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static const char *sigerr[NSIG]; /* signal error messages */ |
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char *errfile = NULL; /* error output file */ |
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|
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extern const char *formstr(int f); /* string from format */ |
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extern int setrtoutput(const char *outvals); /* set output values */ |
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|
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int inform = 'a'; /* input format */ |
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int outform = 'a'; /* output format */ |
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|
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int hresolu = 0; /* horizontal (scan) size */ |
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int vresolu = 0; /* vertical resolution */ |
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|
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RtraceSimulManager myRTmanager; // global simulation manager |
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|
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static const char *outvals = "v"; /* output specification */ |
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static int nproc = 1; /* number of requested threads */ |
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static int doheader = 1; /* include information header? */ |
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|
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#ifndef MAXMODLIST |
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#define MAXMODLIST 1024 /* maximum modifiers we'll track */ |
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#endif |
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|
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extern void (*addobjnotify[])(OBJECT); /* object notification calls */ |
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extern void tranotify(OBJECT obj); |
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|
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char *tralist[MAXMODLIST]; /* list of modifers to trace (or no) */ |
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int traincl = -1; /* include == 1, exclude == 0 */ |
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|
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static void onsig(int signo); |
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static void sigdie(int signo, const char *msg); |
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static void printdefaults(void); |
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|
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#define RATRACE_FEATURES "IrradianceCalc\nIrradianceCalc\nDistanceLimiting\n" \ |
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"HessianAmbientCache\nAmbientAveraging\n" \ |
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"AmbientValueSharing\nAdaptiveShadowTesting\n" \ |
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"Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n" |
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|
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int |
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main(int argc, char *argv[]) |
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{ |
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#define check(ol,al) if (argv[i][ol] || \ |
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badarg(argc-i-1,argv+i+1,al)) \ |
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goto badopt |
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#define check_bool(olen,var) switch (argv[i][olen]) { \ |
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case '\0': var = !var; break; \ |
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case 'y': case 'Y': case 't': case 'T': \ |
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case '+': case '1': var = 1; break; \ |
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case 'n': case 'N': case 'f': case 'F': \ |
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case '-': case '0': var = 0; break; \ |
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default: goto badopt; } |
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char **tralp = NULL; |
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int rval; |
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int i; |
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/* global program name */ |
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progname = argv[0] = fixargv0(argv[0]); |
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/* feature check only? */ |
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strcat(RFeatureList, RATRACE_FEATURES); |
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if (argc > 1 && !strcmp(argv[1], "-features")) |
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return feature_status(argc-2, argv+2); |
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/* add trace notify function */ |
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for (i = 0; addobjnotify[i] != NULL; i++) |
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; |
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addobjnotify[i] = tranotify; |
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/* option city */ |
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for (i = 1; i < argc; i++) { |
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/* expand arguments */ |
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while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
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if (rval < 0) { |
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sprintf(errmsg, "cannot expand '%s'", argv[i]); |
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error(SYSTEM, errmsg); |
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} |
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if (argv[i] == NULL || argv[i][0] != '-') |
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break; /* break from options */ |
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if (!strcmp(argv[i], "-version")) { |
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puts(VersionID); |
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quit(0); |
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} |
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if (!strcmp(argv[i], "-defaults") || |
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!strcmp(argv[i], "-help")) { |
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printdefaults(); |
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quit(0); |
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} |
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rval = getrenderopt(argc-i, argv+i); |
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if (rval >= 0) { |
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i += rval; |
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continue; |
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} |
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switch (argv[i][1]) { |
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case 'n': /* number of cores */ |
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check(2,"i"); |
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nproc = atoi(argv[++i]); |
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if (nproc < 0) |
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error(USER, "bad number of processes"); |
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break; |
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case 'x': /* x resolution */ |
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check(2,"i"); |
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hresolu = atoi(argv[++i]); |
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break; |
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case 'y': /* y resolution */ |
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check(2,"i"); |
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vresolu = atoi(argv[++i]); |
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break; |
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case 'w': /* warnings */ |
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rval = erract[WARNING].pf != NULL; |
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check_bool(2,rval); |
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if (rval) erract[WARNING].pf = wputs; |
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else erract[WARNING].pf = NULL; |
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break; |
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case 'e': /* error file */ |
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check(2,"s"); |
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errfile = argv[++i]; |
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break; |
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case 'l': /* limit distance */ |
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if (argv[i][2] != 'd') |
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goto badopt; |
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rval = myRTmanager.rtFlags & RTlimDist; |
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check_bool(3,rval); |
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if (rval) myRTmanager.rtFlags |= RTlimDist; |
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else myRTmanager.rtFlags &= ~RTlimDist; |
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break; |
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case 'I': /* immed. irradiance */ |
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rval = myRTmanager.rtFlags & RTimmIrrad; |
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check_bool(3,rval); |
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if (rval) myRTmanager.rtFlags |= RTimmIrrad; |
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else myRTmanager.rtFlags &= ~RTimmIrrad; |
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break; |
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case 'f': /* format i/o */ |
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switch (argv[i][2]) { |
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case 'a': /* ascii */ |
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case 'f': /* float */ |
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case 'd': /* double */ |
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inform = argv[i][2]; |
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break; |
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default: |
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goto badopt; |
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} |
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switch (argv[i][3]) { |
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case '\0': |
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outform = inform; |
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break; |
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case 'a': /* ascii */ |
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case 'f': /* float */ |
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case 'd': /* double */ |
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case 'c': /* color */ |
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check(4,""); |
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outform = argv[i][3]; |
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break; |
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default: |
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goto badopt; |
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} |
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break; |
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case 'o': /* output */ |
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outvals = argv[i]+2; |
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break; |
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case 'h': /* header output */ |
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check_bool(2,doheader); |
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break; |
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case 't': /* trace */ |
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switch (argv[i][2]) { |
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case 'i': /* include */ |
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case 'I': |
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check(3,"s"); |
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if (traincl != 1) { |
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traincl = 1; |
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tralp = tralist; |
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} |
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if (argv[i][2] == 'I') { /* file */ |
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rval = wordfile(tralp, MAXMODLIST-(tralp-tralist), |
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getpath(argv[++i],getrlibpath(),R_OK)); |
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if (rval < 0) { |
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sprintf(errmsg, |
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"cannot open trace include file \"%s\"", |
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argv[i]); |
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error(SYSTEM, errmsg); |
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} |
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tralp += rval; |
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} else { |
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*tralp++ = argv[++i]; |
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*tralp = NULL; |
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} |
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break; |
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case 'e': /* exclude */ |
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case 'E': |
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check(3,"s"); |
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if (traincl != 0) { |
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traincl = 0; |
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tralp = tralist; |
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} |
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if (argv[i][2] == 'E') { /* file */ |
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rval = wordfile(tralp, MAXMODLIST-(tralp-tralist), |
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getpath(argv[++i],getrlibpath(),R_OK)); |
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if (rval < 0) { |
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sprintf(errmsg, |
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"cannot open trace exclude file \"%s\"", |
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argv[i]); |
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error(SYSTEM, errmsg); |
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} |
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tralp += rval; |
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} else { |
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*tralp++ = argv[++i]; |
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*tralp = NULL; |
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} |
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break; |
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default: |
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goto badopt; |
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} |
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break; |
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default: |
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goto badopt; |
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} |
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} |
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/* set up signal handling */ |
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sigdie(SIGINT, "Interrupt"); |
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#ifdef SIGHUP |
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sigdie(SIGHUP, "Hangup"); |
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#endif |
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sigdie(SIGTERM, "Terminate"); |
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#ifdef SIGPIPE |
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sigdie(SIGPIPE, "Broken pipe"); |
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#endif |
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#ifdef SIGALRM |
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sigdie(SIGALRM, "Alarm clock"); |
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#endif |
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#ifdef SIGXCPU |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
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sigdie(SIGXFSZ, "File size exceeded"); |
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#endif |
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/* open error file */ |
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if (errfile != NULL) { |
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if (freopen(errfile, "a", stderr) == NULL) |
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quit(2); |
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fprintf(stderr, "**************\n*** PID %5d: ", |
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getpid()); |
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printargs(argc, argv, stderr); |
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putc('\n', stderr); |
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fflush(stderr); |
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} |
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#ifdef NICE |
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nice(NICE); /* lower priority */ |
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#endif |
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/* get octree name */ |
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if (i == argc) |
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error(USER, "missing octree argument"); |
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if (i != argc-1) |
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goto badopt; |
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/* set output options */ |
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rval = setrtoutput(outvals); |
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/* load octree */ |
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if (!myRTmanager.LoadOctree(argv[i])) |
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quit(1); |
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/* set up output */ |
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if (outform != 'a') |
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SET_FILE_BINARY(stdout); |
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if (doheader) { /* print header? */ |
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static char fmt[] = OCTFMT; |
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FILE * octfp = fopen(argv[i], "rb"); |
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if (checkheader(octfp, fmt, stdout) < 0) |
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error(USER, "bad octree header"); |
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fclose(octfp); |
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printargs(i, argv, stdout); |
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printf("SOFTWARE= %s\n", VersionID); |
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fputnow(stdout); |
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if (rval > 0) /* saved from setrtoutput() call */ |
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printf("NCOMP=%d\n", rval); |
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if ((outform == 'f') | (outform == 'd')) |
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fputendian(stdout); |
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fputformat(formstr(outform), stdout); |
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putchar('\n'); |
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} |
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rtrace(NULL, nproc); /* trace rays */ |
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quit(0); /* clean up & exit */ |
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|
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badopt: |
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sprintf(errmsg, "command line error at '%s'", argv[i]); |
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error(USER, errmsg); |
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return 1; /* pro forma return */ |
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|
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#undef check |
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#undef check_bool |
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} |
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|
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void |
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wputs( /* warning output function */ |
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char *s |
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) |
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{ |
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int lasterrno = errno; |
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eputs(s); |
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errno = lasterrno; |
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} |
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|
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void |
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eputs( /* put string to stderr */ |
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char *s |
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) |
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{ |
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static int midline = 0; |
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|
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if (!*s) |
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return; |
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if (!midline++) { |
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fputs(progname, stderr); |
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fputs(": ", stderr); |
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} |
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fputs(s, stderr); |
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if (s[strlen(s)-1] == '\n') { |
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fflush(stderr); |
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midline = 0; |
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} |
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} |
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|
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static void |
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onsig( /* fatal signal */ |
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int signo |
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) |
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{ |
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static int gotsig = 0; |
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|
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if (gotsig++) /* two signals and we're gone! */ |
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_exit(signo); |
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|
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#ifdef SIGALRM |
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alarm(15); /* allow 15 seconds to clean up */ |
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signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
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#endif |
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eputs("signal - "); |
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eputs(sigerr[signo]); |
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eputs("\n"); |
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quit(3); |
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} |
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|
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static void |
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sigdie( /* set fatal signal */ |
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int signo, |
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const char *msg |
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) |
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{ |
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if (signal(signo, onsig) == SIG_IGN) |
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signal(signo, SIG_IGN); |
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sigerr[signo] = msg; |
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} |
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|
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static void |
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printdefaults(void) /* print default values to stdout */ |
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{ |
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const char *cp; |
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|
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if (myRTmanager.rtFlags & RTimmIrrad) |
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printf("-I+\t\t\t\t# immediate irradiance on\n"); |
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printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc); |
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printf("-x %-9d\t\t\t# %s\n", hresolu, |
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vresolu && hresolu ? "x resolution" : "flush interval"); |
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printf("-y %-9d\t\t\t# y resolution\n", vresolu); |
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printf(myRTmanager.rtFlags&RTlimDist ? "-ld+\t\t\t\t# limit distance on\n" : |
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"-ld-\t\t\t\t# limit distance off\n"); |
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printf("-h%c\t\t\t\t# %s header\n", doheader ? '+' : '-', |
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doheader ? "output" : "no"); |
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printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n", |
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inform, outform, formstr(inform), formstr(outform)); |
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printf("-o%-9s\t\t\t# output", outvals); |
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for (cp = outvals; *cp; cp++) |
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switch (*cp) { |
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case 't': case 'T': printf(" trace"); break; |
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case 'o': printf(" origin"); break; |
| 383 |
case 'd': printf(" direction"); break; |
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case 'r': printf(" reflect_contrib"); break; |
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case 'R': printf(" reflect_length"); break; |
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case 'x': printf(" unreflect_contrib"); break; |
| 387 |
case 'X': printf(" unreflect_length"); break; |
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case 'v': printf(" value"); break; |
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case 'V': printf(" contribution"); break; |
| 390 |
case 'l': printf(" length"); break; |
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case 'L': printf(" first_length"); break; |
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case 'p': printf(" point"); break; |
| 393 |
case 'n': printf(" normal"); break; |
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case 'N': printf(" unperturbed_normal"); break; |
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case 's': printf(" surface"); break; |
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case 'w': printf(" weight"); break; |
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case 'W': printf(" coefficient"); break; |
| 398 |
case 'm': printf(" modifier"); break; |
| 399 |
case 'M': printf(" material"); break; |
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case '~': printf(" tilde"); break; |
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} |
| 402 |
putchar('\n'); |
| 403 |
printf(erract[WARNING].pf != NULL ? |
| 404 |
"-w+\t\t\t\t# warning messages on\n" : |
| 405 |
"-w-\t\t\t\t# warning messages off\n"); |
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print_rdefaults(); |
| 407 |
} |
