--- ray/src/hd/rhd_odraw.h	1998/12/22 17:05:54	3.4
+++ ray/src/hd/rhd_odraw.h	2003/03/04 05:49:21	3.8
@@ -1,13 +1,8 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
-/* SCCSid "$SunId$ SGI" */
-
+/* RCSid $Id: rhd_odraw.h,v 3.8 2003/03/04 05:49:21 greg Exp $ */
 /*
  * Header for OpenGL cone drawing routines with depth buffer checks.
  */
 
-#undef NOPROTO
-#define NOPROTO 1
 #include "color.h"
 #include "tonemap.h"
 #include "rhdriver.h"
@@ -20,6 +15,7 @@ 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 */
@@ -111,6 +107,13 @@ 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