--- ray/src/hd/rhd_qtree.h	1997/12/05 15:40:54	3.7
+++ ray/src/hd/rhd_qtree.h	1998/08/17 17:59:59	3.11
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Silicon Graphics, Inc. */
+/* Copyright (c) 1998 Silicon Graphics, Inc. */
 
 /* SCCSid "$SunId$ SGI" */
 
@@ -6,16 +6,10 @@
  * Quadtree data structures for holodeck display drivers.
  */
 
+#include "color.h"
 #include "tonemap.h"
 #include "rhdriver.h"
 
-#ifndef int2
-#define int2	short
-#endif
-#ifndef int4
-#define int4	long
-#endif
-				/* child ordering */
 #define	DL		0		/* down left */
 #define	DR		1		/* down right */
 #define	UL		2		/* up left */
@@ -55,3 +49,8 @@ extern struct rleaves {
 extern RTREE	qtrunk;		/* trunk of quadtree */
 extern double	qtDepthEps;	/* epsilon to compare depths (z fraction) */
 extern int	qtMinNodesiz;	/* minimum node dimension (pixels) */
+
+extern int	rayqleft;	/* number of rays to queue before flush */
+
+extern int4	encodedir();
+extern double	fdir2diff(), dir2diff();