src/rt/preload.c

#ifndef lint
static const char       RCSid[] = "$Id: preload.c,v 2.9 2005/09/15 18:06:23 greg Exp $";
#endif
/*
 * Preload associated object structures to maximize memory sharing.
 *
 *  External symbols declared in ray.h
 */

#include "copyright.h"

#include "ray.h"
#include "otypes.h"
#include "face.h"
#include "cone.h"
#include "instance.h"
#include "mesh.h"
#include "data.h"
#include "func.h"
#include "bsdf.h"
#include "paths.h"


/* KEEP THIS ROUTINE CONSISTENT WITH THE DIFFERENT OBJECT FUNCTIONS! */


extern int
load_os(                        /* load associated data for object */
        register OBJREC *op
)
{
        DATARRAY  *dp;
        SDData  *sd;

        switch (op->otype) {
        case OBJ_FACE:          /* polygon */
                getface(op);
                return(1);
        case OBJ_CONE:          /* cone */
        case OBJ_RING:          /* disk */
        case OBJ_CYLINDER:      /* cylinder */
        case OBJ_CUP:           /* inverted cone */
        case OBJ_TUBE:          /* inverted cylinder */
                getcone(op, 1);
                return(1);
        case OBJ_INSTANCE:      /* octree instance */
                getinstance(op, IO_ALL);
                return(1);
        case OBJ_MESH:          /* mesh instance */
                getmeshinst(op, IO_ALL);
                return(1);
        case PAT_CPICT:         /* color picture */
                if (op->oargs.nsargs < 4)
                        goto sargerr;
                getpict(op->oargs.sarg[3]);
                getfunc(op, 4, 0x3<<5, 0);
                return(1);
        case PAT_CDATA:         /* color data */
                dp = getdata(op->oargs.sarg[3]);
                getdata(op->oargs.sarg[4]);
                getdata(op->oargs.sarg[5]);
                getfunc(op, 6, ((1<<dp->nd)-1)<<7, 0);
                return(1);
        case PAT_BDATA:         /* brightness data */
                if (op->oargs.nsargs < 2)
                        goto sargerr;
                dp = getdata(op->oargs.sarg[1]);
                getfunc(op, 2, ((1<<dp->nd)-1)<<3, 0);
                return(1);
        case PAT_BFUNC:         /* brightness function */
                getfunc(op, 1, 0x1, 0);
                return(1);
        case PAT_CFUNC:         /* color function */
                getfunc(op, 3, 0x7, 0);
                return(1);
        case TEX_DATA:          /* texture data */
                if (op->oargs.nsargs < 6)
                        goto sargerr;
                dp = getdata(op->oargs.sarg[3]);
                getdata(op->oargs.sarg[4]);
                getdata(op->oargs.sarg[5]);
                getfunc(op, 6, ((1<<dp->nd)-1)<<7, 1);
                return(1);
        case TEX_FUNC:          /* texture function */
                getfunc(op, 3, 0x7, 1);
                return(1);
        case MIX_DATA:          /* mixture data */
                dp = getdata(op->oargs.sarg[3]);
                getfunc(op, 4, ((1<<dp->nd)-1)<<5, 0);
                return(1);
        case MIX_PICT:          /* mixture picture */
                getpict(op->oargs.sarg[3]);
                getfunc(op, 4, 0x3<<5, 0);
                return(1);
        case MIX_FUNC:          /* mixture function */
                getfunc(op, 3, 0x4, 0);
                return(1);
        case MAT_PLASTIC2:      /* anisotropic plastic */
        case MAT_METAL2:        /* anisotropic metal */
                getfunc(op, 3, 0x7, 1);
                return(1);
        case MAT_BRTDF:         /* BRDTfunc material */
                getfunc(op, 9, 0x3f, 0);
                return(1);
        case MAT_BSDF:          /* BSDF material */
                if (op->oargs.nsargs < 6)
                        goto sargerr;
                getfunc(op, 5, 0x1d, 1);
                sd = SDgetCache(op->oargs.sarg[1]);
                if (sd != NULL && !SDisLoaded(sd))
                        SDloadFile(sd, getpath(op->oargs.sarg[1],
                                                getrlibpath(), R_OK));
                return(1);
        case MAT_PDATA:         /* plastic BRDF data */
        case MAT_MDATA:         /* metal BRDF data */
        case MAT_TDATA:         /* trans BRDF data */
                if (op->oargs.nsargs < 2)
                        goto sargerr;
                getdata(op->oargs.sarg[1]);
                getfunc(op, 2, 0, 0);
                return(1);
        case MAT_PFUNC:         /* plastic BRDF func */
        case MAT_MFUNC:         /* metal BRDF func */
        case MAT_TFUNC:         /* trans BRDF func */
                getfunc(op, 1, 0, 0);
                return(1);
        case MAT_DIRECT1:       /* prism1 material */
                getfunc(op, 4, 0xf, 1);
                return(1);
        case MAT_DIRECT2:       /* prism2 material */
                getfunc(op, 8, 0xff, 1);
                return(1);
        }
                        /* nothing to load for the remaining types */
        return(0);
sargerr:
        objerror(op, USER, "too few string arguments");
        return 0; /* pro forma return */
}


extern void
preload_objs(void)              /* preload object data structures */
{
        register OBJECT on;
                                /* note that nobjects may change during loop */
        for (on = 0; on < nobjects; on++)
                load_os(objptr(on));
}
Revision:	2.10
Committed:	Fri Feb 18 00:40:25 2011 UTC (13 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.9:	+14 -6 lines
Log Message:	Major code reorg, moving mgflib to common and introducing BSDF material
#	User	Rev	Content
1	greg	2.1	#ifndef lint
2	greg	2.10	static const char RCSid[] = "$Id: preload.c,v 2.9 2005/09/15 18:06:23 greg Exp $";
3	greg	2.1	#endif
4			/*
5			* Preload associated object structures to maximize memory sharing.
6	greg	2.6	*
7			* External symbols declared in ray.h
8			*/
9
10	greg	2.7	#include "copyright.h"
11	greg	2.1
12	greg	2.10	#include "ray.h"
13	greg	2.1	#include "otypes.h"
14			#include "face.h"
15			#include "cone.h"
16	greg	2.2	#include "instance.h"
17	greg	2.9	#include "mesh.h"
18	greg	2.5	#include "data.h"
19	schorsch	2.8	#include "func.h"
20	greg	2.10	#include "bsdf.h"
21			#include "paths.h"
22	greg	2.1
23
24	greg	2.6	/* KEEP THIS ROUTINE CONSISTENT WITH THE DIFFERENT OBJECT FUNCTIONS! */
25
26
27	schorsch	2.8	extern int
28			load_os( /* load associated data for object */
29			register OBJREC *op
30			)
31	greg	2.1	{
32	greg	2.6	DATARRAY *dp;
33	greg	2.10	SDData *sd;
34	greg	2.6
35	greg	2.1	switch (op->otype) {
36			case OBJ_FACE: /* polygon */
37			getface(op);
38			return(1);
39			case OBJ_CONE: /* cone */
40			case OBJ_RING: /* disk */
41			case OBJ_CYLINDER: /* cylinder */
42			case OBJ_CUP: /* inverted cone */
43			case OBJ_TUBE: /* inverted cylinder */
44			getcone(op, 1);
45			return(1);
46			case OBJ_INSTANCE: /* octree instance */
47			getinstance(op, IO_ALL);
48			return(1);
49	greg	2.9	case OBJ_MESH: /* mesh instance */
50			getmeshinst(op, IO_ALL);
51			return(1);
52	greg	2.5	case PAT_CPICT: /* color picture */
53			if (op->oargs.nsargs < 4)
54			goto sargerr;
55			getpict(op->oargs.sarg[3]);
56	greg	2.6	getfunc(op, 4, 0x3<<5, 0);
57	greg	2.5	return(1);
58			case PAT_CDATA: /* color data */
59	greg	2.6	dp = getdata(op->oargs.sarg[3]);
60			getdata(op->oargs.sarg[4]);
61			getdata(op->oargs.sarg[5]);
62			getfunc(op, 6, ((1<<dp->nd)-1)<<7, 0);
63			return(1);
64			case PAT_BDATA: /* brightness data */
65			if (op->oargs.nsargs < 2)
66			goto sargerr;
67			dp = getdata(op->oargs.sarg[1]);
68			getfunc(op, 2, ((1<<dp->nd)-1)<<3, 0);
69			return(1);
70			case PAT_BFUNC: /* brightness function */
71			getfunc(op, 1, 0x1, 0);
72			return(1);
73			case PAT_CFUNC: /* color function */
74			getfunc(op, 3, 0x7, 0);
75			return(1);
76	greg	2.5	case TEX_DATA: /* texture data */
77			if (op->oargs.nsargs < 6)
78			goto sargerr;
79	greg	2.6	dp = getdata(op->oargs.sarg[3]);
80	greg	2.5	getdata(op->oargs.sarg[4]);
81			getdata(op->oargs.sarg[5]);
82	greg	2.6	getfunc(op, 6, ((1<<dp->nd)-1)<<7, 1);
83			return(1);
84			case TEX_FUNC: /* texture function */
85			getfunc(op, 3, 0x7, 1);
86			return(1);
87			case MIX_DATA: /* mixture data */
88			dp = getdata(op->oargs.sarg[3]);
89			getfunc(op, 4, ((1<<dp->nd)-1)<<5, 0);
90			return(1);
91			case MIX_PICT: /* mixture picture */
92			getpict(op->oargs.sarg[3]);
93			getfunc(op, 4, 0x3<<5, 0);
94			return(1);
95			case MIX_FUNC: /* mixture function */
96			getfunc(op, 3, 0x4, 0);
97			return(1);
98			case MAT_PLASTIC2: /* anisotropic plastic */
99			case MAT_METAL2: /* anisotropic metal */
100			getfunc(op, 3, 0x7, 1);
101			return(1);
102			case MAT_BRTDF: /* BRDTfunc material */
103			getfunc(op, 9, 0x3f, 0);
104	greg	2.5	return(1);
105	greg	2.10	case MAT_BSDF: /* BSDF material */
106			if (op->oargs.nsargs < 6)
107			goto sargerr;
108			getfunc(op, 5, 0x1d, 1);
109			sd = SDgetCache(op->oargs.sarg[1]);
110			if (sd != NULL && !SDisLoaded(sd))
111			SDloadFile(sd, getpath(op->oargs.sarg[1],
112			getrlibpath(), R_OK));
113			return(1);
114	greg	2.5	case MAT_PDATA: /* plastic BRDF data */
115			case MAT_MDATA: /* metal BRDF data */
116			case MAT_TDATA: /* trans BRDF data */
117			if (op->oargs.nsargs < 2)
118			goto sargerr;
119			getdata(op->oargs.sarg[1]);
120	greg	2.6	getfunc(op, 2, 0, 0);
121			return(1);
122			case MAT_PFUNC: /* plastic BRDF func */
123			case MAT_MFUNC: /* metal BRDF func */
124			case MAT_TFUNC: /* trans BRDF func */
125			getfunc(op, 1, 0, 0);
126			return(1);
127			case MAT_DIRECT1: /* prism1 material */
128			getfunc(op, 4, 0xf, 1);
129			return(1);
130			case MAT_DIRECT2: /* prism2 material */
131			getfunc(op, 8, 0xff, 1);
132	greg	2.5	return(1);
133	greg	2.1	}
134	greg	2.6	/* nothing to load for the remaining types */
135	greg	2.2	return(0);
136	greg	2.5	sargerr:
137			objerror(op, USER, "too few string arguments");
138	schorsch	2.8	return 0; /* pro forma return */
139	greg	2.1	}
140
141
142	schorsch	2.8	extern void
143			preload_objs(void) /* preload object data structures */
144	greg	2.1	{
145			register OBJECT on;
146	greg	2.3	/* note that nobjects may change during loop */
147	greg	2.1	for (on = 0; on < nobjects; on++)
148			load_os(objptr(on));
149	greg	2.3	}