[ViewVC] Diff of: radiance/ray/src/rt/preload.c

Comparing ray/src/rt/preload.c (file contents):
Revision 2.17 by greg, Thu Apr 4 18:51:18 2024 UTC vs.
Revision 2.20 by greg, Fri Jun 20 23:48:28 2025 UTC

#	Line 19 \| Line 19 \| static const char RCSid[] = "$Id$";
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
#	Line 122 \| Line 124 \| *load_os( / load associated data for object /*
124		case MAT_METAL2: /* anisotropic metal */
125		getfunc(op, 3, 0x7, 1);
126		return(1);
127	+	case MAT_WGMDF: /* WGMDfunc material */
128	+	getfunc(op, 12, 0xEEE, 1);
129	+	return(1);
130		case MAT_BRTDF: /* BRDTfunc material */
131		getfunc(op, 9, 0x3f, 0);
132		return(1);
#	Line 174 \| Line 179 \| *preload_objs(void) / preload object data structures**
179		/* note that nobjects may change during loop */
180		for (on = 0; on < nobjects; on++)
181		load_os(objptr(on));
182	+	}
183	+
184	+
185	+	void
186	+	cow_memshare(void) /* set up copy-on-write memory sharing */
187	+	{
188	+	if (shm_boundary != NULL)
189	+	return; /* assume we're good */
190	+
191	+	preload_objs(); /* preload auxiliary data */
192	+	/* set shared memory boundary */
193	+	shm_boundary = (char *)malloc(16);
194	+	strcpy(shm_boundary, "SHM_BOUNDARY");
195	+	}
196	+
197	+
198	+	void
199	+	cow_doneshare(void) /* clear memory sharing boundary */
200	+	{
201	+	if (shm_boundary == NULL)
202	+	return;
203	+	/* clear shared memory boundary */
204	+	free((void *)shm_boundary);
205	+	shm_boundary = NULL;
206		}

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