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Comparing ray/src/rt/preload.c (file contents):
Revision 2.6 by greg, Sat Feb 22 02:07:29 2003 UTC vs.
Revision 2.18 by greg, Wed Aug 21 20:42:20 2024 UTC

# Line 7 | Line 7 | static const char      RCSid[] = "$Id$";
7   *  External symbols declared in ray.h
8   */
9  
10 < /* ====================================================================
11 < * The Radiance Software License, Version 1.0
12 < *
13 < * Copyright (c) 1990 - 2002 The Regents of the University of California,
14 < * through Lawrence Berkeley National Laboratory.   All rights reserved.
15 < *
16 < * Redistribution and use in source and binary forms, with or without
17 < * modification, are permitted provided that the following conditions
18 < * are met:
19 < *
20 < * 1. Redistributions of source code must retain the above copyright
21 < *         notice, this list of conditions and the following disclaimer.
22 < *
23 < * 2. Redistributions in binary form must reproduce the above copyright
24 < *       notice, this list of conditions and the following disclaimer in
25 < *       the documentation and/or other materials provided with the
26 < *       distribution.
27 < *
28 < * 3. The end-user documentation included with the redistribution,
29 < *           if any, must include the following acknowledgment:
30 < *             "This product includes Radiance software
31 < *                 (http://radsite.lbl.gov/)
32 < *                 developed by the Lawrence Berkeley National Laboratory
33 < *               (http://www.lbl.gov/)."
34 < *       Alternately, this acknowledgment may appear in the software itself,
35 < *       if and wherever such third-party acknowledgments normally appear.
36 < *
37 < * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
38 < *       and "The Regents of the University of California" must
39 < *       not be used to endorse or promote products derived from this
40 < *       software without prior written permission. For written
41 < *       permission, please contact [email protected].
42 < *
43 < * 5. Products derived from this software may not be called "Radiance",
44 < *       nor may "Radiance" appear in their name, without prior written
45 < *       permission of Lawrence Berkeley National Laboratory.
46 < *
47 < * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
48 < * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 < * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
50 < * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
51 < * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
52 < * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
53 < * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
54 < * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
55 < * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
56 < * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
57 < * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 < * SUCH DAMAGE.
59 < * ====================================================================
60 < *
61 < * This software consists of voluntary contributions made by many
62 < * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
63 < * information on Lawrence Berkeley National Laboratory, please see
64 < * <http://www.lbl.gov/>.
65 < */
10 > #include "copyright.h"
11  
12 < #include "standard.h"
68 < #include "octree.h"
69 < #include "object.h"
12 > #include "ray.h"
13   #include "otypes.h"
14   #include "face.h"
15   #include "cone.h"
16   #include "instance.h"
17 < #include "color.h"
17 > #include "mesh.h"
18   #include "data.h"
19 + #include "func.h"
20 + #include "bsdf.h"
21  
22 + char    *shm_boundary = NULL;           /* boundary of shared memory */
23  
24 +
25   /* KEEP THIS ROUTINE CONSISTENT WITH THE DIFFERENT OBJECT FUNCTIONS! */
26  
27  
28   int
29 < load_os(op)                     /* load associated data for object */
30 < register OBJREC *op;
29 > load_os(                        /* load associated data for object */
30 >        OBJREC  *op
31 > )
32   {
33 <        DATARRAY  *dp;
33 >        DATARRAY        *dp;
34 >        SDData          *sd;
35  
36 +        SDretainSet = SDretainAll;
37 +
38          switch (op->otype) {
39          case OBJ_FACE:          /* polygon */
40                  getface(op);
# Line 98 | Line 49 | register OBJREC        *op;
49          case OBJ_INSTANCE:      /* octree instance */
50                  getinstance(op, IO_ALL);
51                  return(1);
52 +        case OBJ_MESH:          /* mesh instance */
53 +                getmeshinst(op, IO_ALL);
54 +                return(1);
55          case PAT_CPICT:         /* color picture */
56                  if (op->oargs.nsargs < 4)
57                          goto sargerr;
# Line 105 | Line 59 | register OBJREC        *op;
59                  getfunc(op, 4, 0x3<<5, 0);
60                  return(1);
61          case PAT_CDATA:         /* color data */
62 +                if (op->oargs.nsargs < 4)
63 +                        goto sargerr;
64                  dp = getdata(op->oargs.sarg[3]);
65                  getdata(op->oargs.sarg[4]);
66                  getdata(op->oargs.sarg[5]);
# Line 122 | Line 78 | register OBJREC        *op;
78          case PAT_CFUNC:         /* color function */
79                  getfunc(op, 3, 0x7, 0);
80                  return(1);
81 +        case PAT_SPECFUNC:      /* spectral function */
82 +                getfunc(op, 1, 0, 0);
83 +                return(1);
84 +        case PAT_SPECFILE:      /* spectrum file */
85 +                if (op->oargs.nsargs < 1)
86 +                        goto sargerr;
87 +                getdata(op->oargs.sarg[0]);
88 +                return(1);
89 +        case PAT_SPECDATA:      /* spectral data file */
90 +                if (op->oargs.nsargs < 2)
91 +                        goto sargerr;
92 +                dp = getdata(op->oargs.sarg[1]);
93 +                getfunc(op, 2, ((1<<(dp->nd-1)) - 1)<<3, 0);
94 +                return(1);
95 +        case PAT_SPECPICT:      /* spectral picture */
96 +                if (op->oargs.nsargs < 2)
97 +                        goto sargerr;
98 +                getspec(op->oargs.sarg[1]);
99 +                getfunc(op, 2, 0x3<<3, 0);
100 +                return(1);
101          case TEX_DATA:          /* texture data */
102                  if (op->oargs.nsargs < 6)
103                          goto sargerr;
# Line 151 | Line 127 | register OBJREC        *op;
127          case MAT_BRTDF:         /* BRDTfunc material */
128                  getfunc(op, 9, 0x3f, 0);
129                  return(1);
130 +        case MAT_BSDF:          /* BSDF material */
131 +                if (op->oargs.nsargs < 6)
132 +                        goto sargerr;
133 +                getfunc(op, 5, 0x1d, 1);
134 +                sd = loadBSDF(op->oargs.sarg[1]);
135 +                if (sd != NULL) SDfreeCache(sd);
136 +                return(1);
137 +        case MAT_ABSDF:         /* aBSDF material */
138 +                if (op->oargs.nsargs < 5)
139 +                        goto sargerr;
140 +                getfunc(op, 4, 0xe, 1);
141 +                sd = loadBSDF(op->oargs.sarg[0]);
142 +                if (sd != NULL) SDfreeCache(sd);
143 +                return(1);
144          case MAT_PDATA:         /* plastic BRDF data */
145          case MAT_MDATA:         /* metal BRDF data */
146          case MAT_TDATA:         /* trans BRDF data */
# Line 175 | Line 165 | register OBJREC        *op;
165          return(0);
166   sargerr:
167          objerror(op, USER, "too few string arguments");
168 +        return 0; /* pro forma return */
169   }
170  
171  
172   void
173 < preload_objs()          /* preload object data structures */
173 > preload_objs(void)              /* preload object data structures */
174   {
175 <        register OBJECT on;
175 >        OBJECT on;
176                                  /* note that nobjects may change during loop */
177          for (on = 0; on < nobjects; on++)
178                  load_os(objptr(on));
179 + }
180 +
181 +
182 + void
183 + cow_memshare(void)              /* set up copy-on-write memory sharing */
184 + {
185 +        if (shm_boundary != NULL)
186 +                return;                 /* assume we're good */
187 +
188 +        preload_objs();                 /* preload auxiliary data */
189 +                                        /* set shared memory boundary */
190 +        shm_boundary = (char *)malloc(16);
191 +        strcpy(shm_boundary, "SHM_BOUNDARY");
192 + }
193 +
194 +
195 + void
196 + cow_doneshare(void)             /* clear memory sharing boundary */
197 + {
198 +        if (shm_boundary == NULL)
199 +                return;
200 +                                        /* clear shared memory boundary */
201 +        free((void *)shm_boundary);
202 +        shm_boundary = NULL;
203   }

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