--- ray/src/hd/rhd_odraw.h	1998/12/21 13:17:01	3.3
+++ ray/src/hd/rhd_odraw.h	1998/12/28 19:32:29	3.6
@@ -17,8 +17,10 @@
 #endif
 
 extern struct ODview {
+	int	sfirst, snext;	/* first sample and first in next view */
 	short	hhi, vhi;	/* screen image resolution */
 	short	hlow, vlow;	/* block resolution */
+	int	n2redraw;	/* approx. number of samples needing redraw */
 	struct ODblock {
 		short	nsamp;		/* number of samples in block */
 		short	nused;		/* number actually allocated */
@@ -110,6 +112,13 @@ int	x0, y0, x1, y1;		: rectangle to redraw
 
 This call indicates that the given rectangular region in view vn
 needs to be redrawn in the next call to odUpdate().
+
+
+void
+odRedrawAll()			: everything needs to be redrawn
+
+Redraw everything in all views on the next call to odUpdate().
+Unless odRemap() is called, no new tone mapping will be done.
 
 
 void