--- ray/src/util/glareval.c	1991/04/22 15:41:01	1.15
+++ ray/src/util/glareval.c	1991/04/22 15:43:21	1.16
@@ -20,7 +20,7 @@ static char SCCSid[] = "$SunId$ LBL";
 #define vfork		fork
 #endif
 
-#define MAXSBUF		524268	/* maximum total size of scanline buffer */
+#define MAXSBUF		786432	/* maximum total size of scanline buffer */
 #define HSIZE		317	/* size of scanline hash table */
 #define NRETIRE		16	/* number of scanlines to retire at once */