--- ray/src/hd/rhd_qtree.c	1997/12/31 09:06:54	3.16
+++ ray/src/hd/rhd_qtree.c	2003/04/23 00:52:33	3.21
@@ -1,9 +1,6 @@
-/* Copyright (c) 1997 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: rhd_qtree.c,v 3.21 2003/04/23 00:52:33 greg Exp $";
 #endif
-
 /*
  * Quadtree driver support routines.
  */
@@ -29,6 +26,8 @@ double	qtDepthEps = .05;	/* epsilon to compare depths 
 int	qtMinNodesiz = 2;	/* minimum node dimension (pixels) */
 struct rleaves	qtL;		/* our pile of leaves */
 
+int	rayqleft = 0;		/* rays left to queue before flush */
+
 static int4	falleaves;	/* our list of fallen leaves */
 
 #define composted(li)	(qtL.bl <= qtL.tl ? \
@@ -54,7 +53,7 @@ newtwig()			/* allocate a twig */
 	}
 	bi = nexttwig / TBUNDLESIZ;
 	if (twigbundle[bi] == NULL) {	/* new block */
-		twigbundle = (RTREE **)realloc((char *)twigbundle,
+		twigbundle = (RTREE **)realloc((void *)twigbundle,
 					(bi+2)*sizeof(RTREE *));
 		if (twigbundle == NULL)
 			goto memerr;
@@ -87,8 +86,8 @@ int	really;
 	}
 				/* else "really" means free up memory */
 	for (i = 0; twigbundle[i] != NULL; i++)
-		free((char *)twigbundle[i]);
-	free((char *)twigbundle);
+		free((void *)twigbundle[i]);
+	free((void *)twigbundle);
 	twigbundle = NULL;
 }
 
@@ -330,9 +329,9 @@ dropit:
 }
 
 
-dev_value(c, p, v)		/* add a pixel value to our quadtree */
+dev_value(c, d, p)		/* add a pixel value to our quadtree */
 COLR	c;
-FVECT	p, v;
+FVECT	d, p;
 {
 	register int	li;
 	int	mapit;
@@ -351,11 +350,19 @@ FVECT	p, v;
 			qtCompost(LFREEPCT);
 		mapit = 0;			/* we'll map it later */
 	}
-	VCOPY(qtL.wp[li], p);
-	qtL.wd[li] = encodedir(v);
-	tmCvColrs(&qtL.brt[li], qtL.chr[li], c, 1);
-	if (putleaf(li, 1) && mapit)
-		tmMapPixels(qtL.rgb+li, qtL.brt+li, qtL.chr+li, 1);
+	if (p == NULL)
+		VSUM(qtL.wp[li], odev.v.vp, d, FHUGE);
+	else
+		VCOPY(qtL.wp[li], p);
+	qtL.wd[li] = encodedir(d);
+	tmCvColrs(&qtL.brt[li], qtL.chr[li], (COLR *)c, 1);
+	if (putleaf(li, 1)) {
+		if (mapit)
+			tmMapPixels((BYTE *)(qtL.rgb+li), qtL.brt+li,
+					(BYTE *)(qtL.chr+li), 1);
+		if (--rayqleft == 0)
+			dev_flush();		/* flush output */
+	}
 }
 
 
@@ -403,12 +410,12 @@ int	redo;
 		if (tmComputeMapping(0., 0., 0.) != TM_E_OK)
 			return(0);
 	}
-	if (tmMapPixels(qtL.rgb+aorg, qtL.brt+aorg,
-			qtL.chr+aorg, alen) != TM_E_OK)
+	if (tmMapPixels((BYTE *)(qtL.rgb+aorg), qtL.brt+aorg,
+			(BYTE *)(qtL.chr+aorg), alen) != TM_E_OK)
 		return(0);
 	if (blen > 0)
-		tmMapPixels(qtL.rgb+borg, qtL.brt+borg,
-				qtL.chr+borg, blen);
+		tmMapPixels((BYTE *)(qtL.rgb+borg), qtL.brt+borg,
+				(BYTE *)(qtL.chr+borg), blen);
 	qtL.tml = qtL.tl;
 	return(1);
 }