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root/Development/ray/src/common/rglfile.c
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Comparing ray/src/common/rglfile.c (file contents):
Revision 3.1 by gwlarson, Tue Jun 9 11:18:35 1998 UTC vs.
Revision 3.6 by greg, Tue Mar 11 19:29:04 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1998 Silicon Graphics, Inc. */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ SGI";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   * Load Radiance object(s) and create OpenGL display lists
6   */
7  
8 + #include "copyright.h"
9 +
10   #include "radogl.h"
11  
12   #ifndef NLIST2ALLOC
13   #define NLIST2ALLOC     16              /* batch of display lists to get */
14   #endif
15  
17 – extern int      o_sphere(), o_face(), o_cone(), o_ring(),
18 –                o_source(), o_instance();
19 –
20 – extern int      m_normal(), m_glass(), m_aniso(), m_brdf(), m_brdf2(),
21 –                m_light(), m_prism(), m_mirror();
22 –
16   FUN  ofun[NUMOTYPE] = INIT_OTYPE;
17  
18 + static int      nextlist, nlistleft = 0;
19  
20 < static
20 >
21 > static void
22   initotypes()                    /* initialize ofun array */
23   {
24          if (ofun[OBJ_SPHERE].funp == o_sphere)
# Line 69 | Line 64 | initotypes()                   /* initialize ofun array */
64   int
65   newglist()                      /* allocate an OGL list id */
66   {
67 <        static int      nextlist, nleft = 0;
73 <
74 <        if (!nleft--) {
67 >        if (!nlistleft--) {
68                  nextlist = glGenLists(NLIST2ALLOC);
69 <                nleft = NLIST2ALLOC-1;
69 >                if (!nextlist)
70 >                        error(SYSTEM, "no list space left in newglist");
71 >                nlistleft = NLIST2ALLOC-1;
72          }
73          return(nextlist++);
74   }
75  
76  
77 + void
78   rgl_checkerr(where)             /* check for GL or GLU error */
79   char    *where;
80   {
# Line 93 | Line 89 | char   *where;
89  
90  
91   int
92 < rgl_filelist(ic, inp)           /* load scene files into display list */
92 > rgl_filelist(ic, inp, nl)       /* load scene files into display list */
93   int     ic;
94   char    **inp;
95 + int     *nl;                    /* returned number of lists (optional) */
96   {
97          int     listid;
98  
# Line 110 | Line 107 | char   **inp;
107          glEndList();            /* end of top display list */
108          lightdefs();            /* define light sources */
109          loadoctrees();          /* load octrees (sublists) for instances */
110 +        if (nl != NULL)         /* return total number of lists allocated */
111 +                *nl = nextlist - listid;
112          return(listid);         /* all done -- return list id */
113   }
114  
115  
116   int
117 < rgl_octlist(fname, cent, radp)  /* load octree objects into display list */
117 > rgl_octlist(fname, cent, radp, nl)      /* load scen into display list */
118   char    *fname;
119   FVECT   cent;                   /* returned octree center (optional) */
120 < double  *radp;                  /* returned octree size (optional) */
120 > FLOAT   *radp;                  /* returned octree size (optional) */
121 > int     *nl;                    /* returned number of lists (optional) */
122   {
123          double  r;
124          int     listid;
# Line 137 | Line 137 | double *radp;                  /* returned octree size (optional) */
137          glEndList();            /* close top list */
138          lightdefs();            /* define light sources */
139          loadoctrees();          /* load referenced octrees into sublists */
140 +        if (nl != NULL)         /* return total number of lists allocated */
141 +                *nl = nextlist - listid;
142          return(listid);
143   }
144  
145  
146 + void
147   rgl_load(inpspec)               /* convert scene description into OGL calls */
148   char    *inpspec;
149   {
# Line 183 | Line 186 | char   *inpspec;
186   }
187  
188  
189 + void
190   rgl_object(name, fp)                    /* read the next object */
191   char  *name;
192   FILE  *fp;
# Line 194 | Line 198 | FILE  *fp;
198          strcpy(sbuf, "EOF");
199          fgetword(sbuf, MAXSTR, fp);
200          ob.omod = 0;                    /* use ob.os for pointer to material */
201 <        if (!strcmp(sbuf, VOIDID))
201 >        if (!strcmp(sbuf, VOIDID) || !strcmp(sbuf, ALIASMOD))
202                  ob.os = NULL;
203          else
204                  ob.os = (char *)getmatp(sbuf);
205                                          /* get type */
206          strcpy(sbuf, "EOF");
207          fgetword(sbuf, MAXSTR, fp);
208 <        if (!strcmp(sbuf, ALIASID))
205 <                ob.otype = -1;
206 <        else if ((ob.otype = otype(sbuf)) < 0) {
208 >        if ((ob.otype = otype(sbuf)) < 0) {
209                  sprintf(errmsg, "(%s): unknown type \"%s\"", name, sbuf);
210                  error(USER, errmsg);
211          }
# Line 212 | Line 214 | FILE  *fp;
214          fgetword(sbuf, MAXSTR, fp);
215          ob.oname = sbuf;
216                                          /* get arguments */
217 <        if (ob.otype == -1) {
217 >        if (ob.otype == MOD_ALIAS) {
218                  char  sbuf2[MAXSTR];            /* get alias */
219                  strcpy(sbuf2, "EOF");
220                  fgetword(sbuf2, MAXSTR, fp);

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