src/rt/preload.c

#ifndef lint
static const char       RCSid[] = "$Id: preload.c,v 2.8 2004/03/30 16:13:01 schorsch Exp $";
#endif
/*
 * Preload associated object structures to maximize memory sharing.
 *
 *  External symbols declared in ray.h
 */

#include "copyright.h"

#include "standard.h"
#include "octree.h"
#include "object.h"
#include "otypes.h"
#include "face.h"
#include "cone.h"
#include "instance.h"
#include "mesh.h"
#include "color.h"
#include "data.h"
#include "func.h"
#include "ray.h"


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


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

        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_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:	2.9
Committed:	Thu Sep 15 18:06:23 2005 UTC (18 years, 7 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad4R0, rad3R8, rad3R9
Changes since 2.8:	+5 -1 lines
Log Message:	Added preloading of mesh objects for parallel rendering
#	User	Rev	Content
1	greg	2.1	#ifndef lint
2	greg	2.9	static const char RCSid[] = "$Id: preload.c,v 2.8 2004/03/30 16:13:01 schorsch 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			#include "standard.h"
13	greg	2.6	#include "octree.h"
14	greg	2.1	#include "object.h"
15			#include "otypes.h"
16			#include "face.h"
17			#include "cone.h"
18	greg	2.2	#include "instance.h"
19	greg	2.9	#include "mesh.h"
20	greg	2.5	#include "color.h"
21			#include "data.h"
22	schorsch	2.8	#include "func.h"
23			#include "ray.h"
24	greg	2.1
25
26	greg	2.6	/* KEEP THIS ROUTINE CONSISTENT WITH THE DIFFERENT OBJECT FUNCTIONS! */
27
28
29	schorsch	2.8	extern int
30			load_os( /* load associated data for object */
31			register OBJREC *op
32			)
33	greg	2.1	{
34	greg	2.6	DATARRAY *dp;
35
36	greg	2.1	switch (op->otype) {
37			case OBJ_FACE: /* polygon */
38			getface(op);
39			return(1);
40			case OBJ_CONE: /* cone */
41			case OBJ_RING: /* disk */
42			case OBJ_CYLINDER: /* cylinder */
43			case OBJ_CUP: /* inverted cone */
44			case OBJ_TUBE: /* inverted cylinder */
45			getcone(op, 1);
46			return(1);
47			case OBJ_INSTANCE: /* octree instance */
48			getinstance(op, IO_ALL);
49			return(1);
50	greg	2.9	case OBJ_MESH: /* mesh instance */
51			getmeshinst(op, IO_ALL);
52			return(1);
53	greg	2.5	case PAT_CPICT: /* color picture */
54			if (op->oargs.nsargs < 4)
55			goto sargerr;
56			getpict(op->oargs.sarg[3]);
57	greg	2.6	getfunc(op, 4, 0x3<<5, 0);
58	greg	2.5	return(1);
59			case PAT_CDATA: /* color data */
60	greg	2.6	dp = getdata(op->oargs.sarg[3]);
61			getdata(op->oargs.sarg[4]);
62			getdata(op->oargs.sarg[5]);
63			getfunc(op, 6, ((1<<dp->nd)-1)<<7, 0);
64			return(1);
65			case PAT_BDATA: /* brightness data */
66			if (op->oargs.nsargs < 2)
67			goto sargerr;
68			dp = getdata(op->oargs.sarg[1]);
69			getfunc(op, 2, ((1<<dp->nd)-1)<<3, 0);
70			return(1);
71			case PAT_BFUNC: /* brightness function */
72			getfunc(op, 1, 0x1, 0);
73			return(1);
74			case PAT_CFUNC: /* color function */
75			getfunc(op, 3, 0x7, 0);
76			return(1);
77	greg	2.5	case TEX_DATA: /* texture data */
78			if (op->oargs.nsargs < 6)
79			goto sargerr;
80	greg	2.6	dp = getdata(op->oargs.sarg[3]);
81	greg	2.5	getdata(op->oargs.sarg[4]);
82			getdata(op->oargs.sarg[5]);
83	greg	2.6	getfunc(op, 6, ((1<<dp->nd)-1)<<7, 1);
84			return(1);
85			case TEX_FUNC: /* texture function */
86			getfunc(op, 3, 0x7, 1);
87			return(1);
88			case MIX_DATA: /* mixture data */
89			dp = getdata(op->oargs.sarg[3]);
90			getfunc(op, 4, ((1<<dp->nd)-1)<<5, 0);
91			return(1);
92			case MIX_PICT: /* mixture picture */
93			getpict(op->oargs.sarg[3]);
94			getfunc(op, 4, 0x3<<5, 0);
95			return(1);
96			case MIX_FUNC: /* mixture function */
97			getfunc(op, 3, 0x4, 0);
98			return(1);
99			case MAT_PLASTIC2: /* anisotropic plastic */
100			case MAT_METAL2: /* anisotropic metal */
101			getfunc(op, 3, 0x7, 1);
102			return(1);
103			case MAT_BRTDF: /* BRDTfunc material */
104			getfunc(op, 9, 0x3f, 0);
105	greg	2.5	return(1);
106			case MAT_PDATA: /* plastic BRDF data */
107			case MAT_MDATA: /* metal BRDF data */
108			case MAT_TDATA: /* trans BRDF data */
109			if (op->oargs.nsargs < 2)
110			goto sargerr;
111			getdata(op->oargs.sarg[1]);
112	greg	2.6	getfunc(op, 2, 0, 0);
113			return(1);
114			case MAT_PFUNC: /* plastic BRDF func */
115			case MAT_MFUNC: /* metal BRDF func */
116			case MAT_TFUNC: /* trans BRDF func */
117			getfunc(op, 1, 0, 0);
118			return(1);
119			case MAT_DIRECT1: /* prism1 material */
120			getfunc(op, 4, 0xf, 1);
121			return(1);
122			case MAT_DIRECT2: /* prism2 material */
123			getfunc(op, 8, 0xff, 1);
124	greg	2.5	return(1);
125	greg	2.1	}
126	greg	2.6	/* nothing to load for the remaining types */
127	greg	2.2	return(0);
128	greg	2.5	sargerr:
129			objerror(op, USER, "too few string arguments");
130	schorsch	2.8	return 0; /* pro forma return */
131	greg	2.1	}
132
133
134	schorsch	2.8	extern void
135			preload_objs(void) /* preload object data structures */
136	greg	2.1	{
137			register OBJECT on;
138	greg	2.3	/* note that nobjects may change during loop */
139	greg	2.1	for (on = 0; on < nobjects; on++)
140			load_os(objptr(on));
141	greg	2.3	}