| 1 |
greg |
2.1 |
#ifndef lint |
| 2 |
greg |
2.26 |
static const char RCSid[] = "$Id: renderopts.c,v 2.25 2024/04/05 17:52:20 greg Exp $"; |
| 3 |
greg |
2.1 |
#endif |
| 4 |
|
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/* |
| 5 |
|
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* renderopts.c - process common rendering options |
| 6 |
|
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* |
| 7 |
|
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* External symbols declared in ray.h |
| 8 |
|
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*/ |
| 9 |
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| 10 |
greg |
2.2 |
#include "copyright.h" |
| 11 |
greg |
2.1 |
|
| 12 |
|
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#include "ray.h" |
| 13 |
greg |
2.5 |
#include "paths.h" |
| 14 |
greg |
2.16 |
#include "pmapopt.h" |
| 15 |
greg |
2.1 |
|
| 16 |
greg |
2.19 |
extern char *progname; /* global argv[0] */ |
| 17 |
|
|
|
| 18 |
|
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char RFeatureList[2048] = /* newline-separated feature list */ |
| 19 |
greg |
2.20 |
"VirtualSources\nSecondarySources\nSourceSubsampling\n" |
| 20 |
|
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"SourceVisibility\nAmbientModifierSelection\n" |
| 21 |
|
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"PathTracing\nRussianRoulette\nLowDiscrepancySeq\n" |
| 22 |
|
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"SpecularSampling\nMaterialMixtures\nAntimatter\nBackFaceVisibility\n" |
| 23 |
greg |
2.22 |
"ScatteringModels=WGMD,Ashikhmin-Shirley\n" |
| 24 |
greg |
2.19 |
"TabulatedBSDFs=DataFile,KlemsXML,TensorTreeXML,+ViewPeakExtraction\n" |
| 25 |
|
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"Instancing=Octree,TriangleMesh\nAliases\n" |
| 26 |
greg |
2.23 |
#if MAXCSAMP>3 |
| 27 |
|
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"Hyperspectral\n" |
| 28 |
|
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#endif |
| 29 |
greg |
2.19 |
#if !defined(SHADCACHE) || SHADCACHE > 0 |
| 30 |
|
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"ShadowCache\n" |
| 31 |
|
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#endif |
| 32 |
|
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#ifdef DISPERSE |
| 33 |
|
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"DielectricDispersion\n" |
| 34 |
|
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#endif |
| 35 |
|
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/* PMAP_FEATURES XXX @Roland: need to define this in pmapopt.h */ |
| 36 |
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; |
| 37 |
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| 38 |
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| 39 |
|
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static char * |
| 40 |
|
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get_feature( /* find a specific feature (with optional sublist) */ |
| 41 |
|
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const char *feat |
| 42 |
|
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) |
| 43 |
|
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{ |
| 44 |
|
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char *cp = RFeatureList; |
| 45 |
|
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int n = 0; |
| 46 |
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|
| 47 |
|
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while ((feat[n] != '\0') & (feat[n] != '=')) |
| 48 |
|
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n++; |
| 49 |
|
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if (!n) |
| 50 |
|
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return(NULL); |
| 51 |
|
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while (*cp) { |
| 52 |
|
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if (!strncmp(cp, feat, n) && (cp[n] == '\n') | !feat[n] | (cp[n] == feat[n])) |
| 53 |
|
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return(cp); |
| 54 |
|
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while (*cp++ != '\n') |
| 55 |
|
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; |
| 56 |
|
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} |
| 57 |
|
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return(NULL); |
| 58 |
|
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} |
| 59 |
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| 60 |
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| 61 |
|
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static int |
| 62 |
|
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match_subfeatures( /* check if subfeatures are supported */ |
| 63 |
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char *mysublist, |
| 64 |
|
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char *reqs |
| 65 |
|
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) |
| 66 |
|
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{ |
| 67 |
|
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if (mysublist) |
| 68 |
|
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mysublist = strchr(mysublist, '='); |
| 69 |
|
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if (!mysublist++ | !reqs) |
| 70 |
|
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return(0); /* not a feature list */ |
| 71 |
|
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while (*reqs) { /* check each of their subfeature requests */ |
| 72 |
|
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char subfeat[64]; |
| 73 |
|
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char *cp = subfeat; |
| 74 |
|
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int n; |
| 75 |
|
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while (*reqs && (*cp = *reqs++) != ',') |
| 76 |
|
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cp++; |
| 77 |
|
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*cp = '\0'; |
| 78 |
greg |
2.26 |
if (!(n = cp - subfeat)) |
| 79 |
|
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continue; /* empty subfeature */ |
| 80 |
greg |
2.25 |
for (cp = mysublist; (cp = strstr(cp, subfeat)) != NULL; cp++) |
| 81 |
|
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if ((cp[-1] == ',') | (cp[-1] == '=') && |
| 82 |
|
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(cp[n] == ',') | (cp[n] == '\n')) |
| 83 |
|
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break; /* match */ |
| 84 |
|
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if (!cp) |
| 85 |
greg |
2.19 |
return(0); /* missing this one! */ |
| 86 |
|
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} |
| 87 |
|
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return(1); /* matched them all */ |
| 88 |
|
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} |
| 89 |
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| 90 |
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| 91 |
|
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int |
| 92 |
|
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feature_status( /* report active feature list / check specifics */ |
| 93 |
|
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int ac, |
| 94 |
|
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char *av[] |
| 95 |
|
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) |
| 96 |
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{ |
| 97 |
|
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if (ac <= 0) /* report entire list? */ |
| 98 |
|
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fputs(RFeatureList, stdout); |
| 99 |
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| 100 |
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for ( ; ac-- > 0; av++) { /* check each argument */ |
| 101 |
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char *cp; |
| 102 |
|
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if (!*av[0]) continue; |
| 103 |
|
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if ((cp = strchr(av[0], '=')) != NULL) { |
| 104 |
|
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if (!match_subfeatures(get_feature(av[0]), cp+1)) |
| 105 |
|
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goto missing_feature; |
| 106 |
|
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} else if ((cp = get_feature(av[0])) != NULL) { |
| 107 |
|
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char *tp = strchr(cp, '='); |
| 108 |
|
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if (tp && tp < strchr(cp, '\n')) |
| 109 |
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do |
| 110 |
|
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fputc(*cp, stdout); |
| 111 |
|
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while (*cp++ != '\n'); |
| 112 |
|
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} else |
| 113 |
|
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goto missing_feature; |
| 114 |
|
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} |
| 115 |
|
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return(0); /* return satisfactory status */ |
| 116 |
|
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missing_feature: /* or report error */ |
| 117 |
|
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fprintf(stderr, "%s: missing feature - %s\n", progname, av[0]); |
| 118 |
|
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return(1); |
| 119 |
|
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} |
| 120 |
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|
| 121 |
greg |
2.1 |
|
| 122 |
greg |
2.15 |
int |
| 123 |
schorsch |
2.4 |
getrenderopt( /* get next render option */ |
| 124 |
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int ac, |
| 125 |
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char *av[] |
| 126 |
|
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) |
| 127 |
greg |
2.1 |
{ |
| 128 |
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#define check(ol,al) if (av[0][ol] || \ |
| 129 |
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badarg(ac-1,av+1,al)) \ |
| 130 |
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return(-1) |
| 131 |
schorsch |
2.17 |
#define check_bool(olen,var) switch (av[0][olen]) { \ |
| 132 |
greg |
2.1 |
case '\0': var = !var; break; \ |
| 133 |
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case 'y': case 'Y': case 't': case 'T': \ |
| 134 |
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case '+': case '1': var = 1; break; \ |
| 135 |
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case 'n': case 'N': case 'f': case 'F': \ |
| 136 |
|
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case '-': case '0': var = 0; break; \ |
| 137 |
|
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default: return(-1); } |
| 138 |
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static char **amblp; /* pointer to build ambient list */ |
| 139 |
|
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int rval; |
| 140 |
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/* is it even an option? */ |
| 141 |
|
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if (ac < 1 || av[0] == NULL || av[0][0] != '-') |
| 142 |
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return(-1); |
| 143 |
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/* check if it's one we know */ |
| 144 |
|
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switch (av[0][1]) { |
| 145 |
greg |
2.10 |
case 'u': /* uncorrelated sampling */ |
| 146 |
schorsch |
2.17 |
check_bool(2,rand_samp); |
| 147 |
greg |
2.9 |
return(0); |
| 148 |
greg |
2.1 |
case 'b': /* back face vis. */ |
| 149 |
|
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if (av[0][2] == 'v') { |
| 150 |
schorsch |
2.17 |
check_bool(3,backvis); |
| 151 |
greg |
2.1 |
return(0); |
| 152 |
|
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} |
| 153 |
|
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break; |
| 154 |
|
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case 'd': /* direct */ |
| 155 |
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switch (av[0][2]) { |
| 156 |
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case 't': /* threshold */ |
| 157 |
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check(3,"f"); |
| 158 |
|
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shadthresh = atof(av[1]); |
| 159 |
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return(1); |
| 160 |
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case 'c': /* certainty */ |
| 161 |
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check(3,"f"); |
| 162 |
|
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shadcert = atof(av[1]); |
| 163 |
|
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return(1); |
| 164 |
|
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case 'j': /* jitter */ |
| 165 |
|
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check(3,"f"); |
| 166 |
|
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dstrsrc = atof(av[1]); |
| 167 |
|
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return(1); |
| 168 |
|
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case 'r': /* relays */ |
| 169 |
|
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check(3,"i"); |
| 170 |
|
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directrelay = atoi(av[1]); |
| 171 |
|
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return(1); |
| 172 |
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case 'p': /* pretest */ |
| 173 |
|
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check(3,"i"); |
| 174 |
|
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vspretest = atoi(av[1]); |
| 175 |
|
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return(1); |
| 176 |
|
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case 'v': /* visibility */ |
| 177 |
schorsch |
2.17 |
check_bool(3,directvis); |
| 178 |
greg |
2.1 |
return(0); |
| 179 |
|
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case 's': /* size */ |
| 180 |
|
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check(3,"f"); |
| 181 |
|
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srcsizerat = atof(av[1]); |
| 182 |
|
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return(1); |
| 183 |
|
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} |
| 184 |
|
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break; |
| 185 |
|
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case 's': /* specular */ |
| 186 |
|
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switch (av[0][2]) { |
| 187 |
|
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case 't': /* threshold */ |
| 188 |
|
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check(3,"f"); |
| 189 |
|
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specthresh = atof(av[1]); |
| 190 |
|
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return(1); |
| 191 |
greg |
2.14 |
case 's': /* sampling */ |
| 192 |
greg |
2.1 |
check(3,"f"); |
| 193 |
|
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specjitter = atof(av[1]); |
| 194 |
|
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return(1); |
| 195 |
|
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} |
| 196 |
|
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break; |
| 197 |
|
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case 'l': /* limit */ |
| 198 |
|
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switch (av[0][2]) { |
| 199 |
|
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case 'r': /* recursion */ |
| 200 |
|
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check(3,"i"); |
| 201 |
|
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maxdepth = atoi(av[1]); |
| 202 |
|
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return(1); |
| 203 |
|
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case 'w': /* weight */ |
| 204 |
|
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check(3,"f"); |
| 205 |
|
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minweight = atof(av[1]); |
| 206 |
|
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return(1); |
| 207 |
|
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} |
| 208 |
|
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break; |
| 209 |
|
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case 'i': /* irradiance */ |
| 210 |
schorsch |
2.17 |
check_bool(2,do_irrad); |
| 211 |
greg |
2.1 |
return(0); |
| 212 |
|
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case 'a': /* ambient */ |
| 213 |
|
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switch (av[0][2]) { |
| 214 |
|
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case 'v': /* value */ |
| 215 |
|
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check(3,"fff"); |
| 216 |
|
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setcolor(ambval, atof(av[1]), |
| 217 |
|
|
atof(av[2]), |
| 218 |
|
|
atof(av[3])); |
| 219 |
|
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return(3); |
| 220 |
|
|
case 'w': /* weight */ |
| 221 |
|
|
check(3,"i"); |
| 222 |
|
|
ambvwt = atoi(av[1]); |
| 223 |
|
|
return(1); |
| 224 |
|
|
case 'a': /* accuracy */ |
| 225 |
|
|
check(3,"f"); |
| 226 |
|
|
ambacc = atof(av[1]); |
| 227 |
|
|
return(1); |
| 228 |
|
|
case 'r': /* resolution */ |
| 229 |
|
|
check(3,"i"); |
| 230 |
|
|
ambres = atoi(av[1]); |
| 231 |
|
|
return(1); |
| 232 |
|
|
case 'd': /* divisions */ |
| 233 |
|
|
check(3,"i"); |
| 234 |
|
|
ambdiv = atoi(av[1]); |
| 235 |
|
|
return(1); |
| 236 |
|
|
case 's': /* super-samp */ |
| 237 |
|
|
check(3,"i"); |
| 238 |
|
|
ambssamp = atoi(av[1]); |
| 239 |
|
|
return(1); |
| 240 |
|
|
case 'b': /* bounces */ |
| 241 |
|
|
check(3,"i"); |
| 242 |
|
|
ambounce = atoi(av[1]); |
| 243 |
|
|
return(1); |
| 244 |
|
|
case 'i': /* include */ |
| 245 |
|
|
case 'I': |
| 246 |
|
|
check(3,"s"); |
| 247 |
|
|
if (ambincl != 1) { |
| 248 |
|
|
ambincl = 1; |
| 249 |
|
|
amblp = amblist; |
| 250 |
|
|
} |
| 251 |
|
|
if (av[0][2] == 'I') { /* file */ |
| 252 |
greg |
2.18 |
rval = wordfile(amblp, AMBLLEN-(amblp-amblist), |
| 253 |
greg |
2.3 |
getpath(av[1],getrlibpath(),R_OK)); |
| 254 |
greg |
2.1 |
if (rval < 0) { |
| 255 |
|
|
sprintf(errmsg, |
| 256 |
greg |
2.7 |
"cannot open ambient include file \"%s\"", av[1]); |
| 257 |
greg |
2.1 |
error(SYSTEM, errmsg); |
| 258 |
|
|
} |
| 259 |
|
|
amblp += rval; |
| 260 |
|
|
} else { |
| 261 |
greg |
2.6 |
*amblp++ = savqstr(av[1]); |
| 262 |
greg |
2.1 |
*amblp = NULL; |
| 263 |
|
|
} |
| 264 |
|
|
return(1); |
| 265 |
|
|
case 'e': /* exclude */ |
| 266 |
|
|
case 'E': |
| 267 |
|
|
check(3,"s"); |
| 268 |
|
|
if (ambincl != 0) { |
| 269 |
|
|
ambincl = 0; |
| 270 |
|
|
amblp = amblist; |
| 271 |
|
|
} |
| 272 |
|
|
if (av[0][2] == 'E') { /* file */ |
| 273 |
greg |
2.18 |
rval = wordfile(amblp, AMBLLEN-(amblp-amblist), |
| 274 |
greg |
2.3 |
getpath(av[1],getrlibpath(),R_OK)); |
| 275 |
greg |
2.1 |
if (rval < 0) { |
| 276 |
|
|
sprintf(errmsg, |
| 277 |
greg |
2.7 |
"cannot open ambient exclude file \"%s\"", av[1]); |
| 278 |
greg |
2.1 |
error(SYSTEM, errmsg); |
| 279 |
|
|
} |
| 280 |
|
|
amblp += rval; |
| 281 |
|
|
} else { |
| 282 |
greg |
2.6 |
*amblp++ = savqstr(av[1]); |
| 283 |
greg |
2.1 |
*amblp = NULL; |
| 284 |
|
|
} |
| 285 |
|
|
return(1); |
| 286 |
|
|
case 'f': /* file */ |
| 287 |
|
|
check(3,"s"); |
| 288 |
greg |
2.6 |
ambfile = savqstr(av[1]); |
| 289 |
greg |
2.1 |
return(1); |
| 290 |
|
|
} |
| 291 |
|
|
break; |
| 292 |
|
|
case 'm': /* medium */ |
| 293 |
|
|
switch (av[0][2]) { |
| 294 |
|
|
case 'e': /* extinction */ |
| 295 |
|
|
check(3,"fff"); |
| 296 |
|
|
setcolor(cextinction, atof(av[1]), |
| 297 |
|
|
atof(av[2]), |
| 298 |
|
|
atof(av[3])); |
| 299 |
|
|
return(3); |
| 300 |
|
|
case 'a': /* albedo */ |
| 301 |
|
|
check(3,"fff"); |
| 302 |
|
|
setcolor(salbedo, atof(av[1]), |
| 303 |
|
|
atof(av[2]), |
| 304 |
|
|
atof(av[3])); |
| 305 |
|
|
return(3); |
| 306 |
|
|
case 'g': /* eccentr. */ |
| 307 |
|
|
check(3,"f"); |
| 308 |
|
|
seccg = atof(av[1]); |
| 309 |
|
|
return(1); |
| 310 |
|
|
case 's': /* sampling */ |
| 311 |
|
|
check(3,"f"); |
| 312 |
|
|
ssampdist = atof(av[1]); |
| 313 |
|
|
return(1); |
| 314 |
|
|
} |
| 315 |
|
|
break; |
| 316 |
greg |
2.23 |
#if MAXCSAMP>3 |
| 317 |
|
|
case 'c': /* spectral sampling */ |
| 318 |
|
|
switch (av[0][2]) { |
| 319 |
|
|
case 's': /* spectral bin count */ |
| 320 |
|
|
check(3,"i"); |
| 321 |
|
|
NCSAMP = atoi(av[1]); |
| 322 |
|
|
return(1); |
| 323 |
|
|
case 'w': /* wavelength extrema */ |
| 324 |
|
|
check(3,"ff"); |
| 325 |
|
|
WLPART[0] = atof(av[1]); |
| 326 |
|
|
WLPART[3] = atof(av[2]); |
| 327 |
greg |
2.24 |
return(2); |
| 328 |
greg |
2.23 |
} |
| 329 |
|
|
break; |
| 330 |
|
|
#endif |
| 331 |
greg |
2.1 |
} |
| 332 |
greg |
2.16 |
|
| 333 |
|
|
/* PMAP: Parse photon mapping options */ |
| 334 |
|
|
return(getPmapRenderOpt(ac, av)); |
| 335 |
|
|
|
| 336 |
|
|
/* return(-1); */ /* unknown option */ |
| 337 |
greg |
2.1 |
|
| 338 |
|
|
#undef check |
| 339 |
schorsch |
2.17 |
#undef check_bool |
| 340 |
greg |
2.1 |
} |
| 341 |
|
|
|
| 342 |
|
|
|
| 343 |
greg |
2.15 |
void |
| 344 |
schorsch |
2.4 |
print_rdefaults(void) /* print default render values to stdout */ |
| 345 |
greg |
2.1 |
{ |
| 346 |
|
|
printf(do_irrad ? "-i+\t\t\t\t# irradiance calculation on\n" : |
| 347 |
|
|
"-i-\t\t\t\t# irradiance calculation off\n"); |
| 348 |
greg |
2.11 |
printf(rand_samp ? "-u+\t\t\t\t# uncorrelated Monte Carlo sampling\n" : |
| 349 |
greg |
2.12 |
"-u-\t\t\t\t# correlated quasi-Monte Carlo sampling\n"); |
| 350 |
greg |
2.1 |
printf(backvis ? "-bv+\t\t\t\t# back face visibility on\n" : |
| 351 |
|
|
"-bv-\t\t\t\t# back face visibility off\n"); |
| 352 |
|
|
printf("-dt %f\t\t\t# direct threshold\n", shadthresh); |
| 353 |
|
|
printf("-dc %f\t\t\t# direct certainty\n", shadcert); |
| 354 |
|
|
printf("-dj %f\t\t\t# direct jitter\n", dstrsrc); |
| 355 |
|
|
printf("-ds %f\t\t\t# direct sampling\n", srcsizerat); |
| 356 |
|
|
printf("-dr %-9d\t\t\t# direct relays\n", directrelay); |
| 357 |
|
|
printf("-dp %-9d\t\t\t# direct pretest density\n", vspretest); |
| 358 |
|
|
printf(directvis ? "-dv+\t\t\t\t# direct visibility on\n" : |
| 359 |
|
|
"-dv-\t\t\t\t# direct visibility off\n"); |
| 360 |
greg |
2.14 |
printf("-ss %f\t\t\t# specular sampling\n", specjitter); |
| 361 |
greg |
2.1 |
printf("-st %f\t\t\t# specular threshold\n", specthresh); |
| 362 |
|
|
printf("-av %f %f %f\t# ambient value\n", colval(ambval,RED), |
| 363 |
|
|
colval(ambval,GRN), colval(ambval, BLU)); |
| 364 |
|
|
printf("-aw %-9d\t\t\t# ambient value weight\n", ambvwt); |
| 365 |
|
|
printf("-ab %-9d\t\t\t# ambient bounces\n", ambounce); |
| 366 |
|
|
printf("-aa %f\t\t\t# ambient accuracy\n", ambacc); |
| 367 |
|
|
printf("-ar %-9d\t\t\t# ambient resolution\n", ambres); |
| 368 |
|
|
printf("-ad %-9d\t\t\t# ambient divisions\n", ambdiv); |
| 369 |
|
|
printf("-as %-9d\t\t\t# ambient super-samples\n", ambssamp); |
| 370 |
|
|
printf("-me %.2e %.2e %.2e\t# mist extinction coefficient\n", |
| 371 |
|
|
colval(cextinction,RED), |
| 372 |
|
|
colval(cextinction,GRN), |
| 373 |
|
|
colval(cextinction,BLU)); |
| 374 |
|
|
printf("-ma %f %f %f\t# mist scattering albedo\n", colval(salbedo,RED), |
| 375 |
|
|
colval(salbedo,GRN), colval(salbedo,BLU)); |
| 376 |
|
|
printf("-mg %f\t\t\t# mist scattering eccentricity\n", seccg); |
| 377 |
|
|
printf("-ms %f\t\t\t# mist sampling distance\n", ssampdist); |
| 378 |
greg |
2.23 |
if (NCSAMP > 3) { |
| 379 |
|
|
printf("-cs %-2d\t\t\t\t# number of spectral bins\n", NCSAMP); |
| 380 |
|
|
printf("-cw %3.0f %3.0f\t\t\t# wavelength limits (nm)\n", |
| 381 |
|
|
WLPART[3], WLPART[0]); |
| 382 |
|
|
} |
| 383 |
greg |
2.8 |
printf("-lr %-9d\t\t\t# limit reflection%s\n", maxdepth, |
| 384 |
|
|
maxdepth<=0 ? " (Russian roulette)" : ""); |
| 385 |
greg |
2.13 |
printf("-lw %.2e\t\t\t# limit weight\n", minweight); |
| 386 |
greg |
2.16 |
|
| 387 |
|
|
/* PMAP: output photon map defaults */ |
| 388 |
|
|
printPmapDefaults(); |
| 389 |
greg |
2.1 |
} |
