--- ray/src/hd/rhd_glx1.c	2004/01/01 11:21:55	3.3
+++ ray/src/hd/rhd_glx1.c	2005/01/07 20:33:02	3.5
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rhd_glx1.c,v 3.3 2004/01/01 11:21:55 schorsch Exp $";
+static const char	RCSid[] = "$Id: rhd_glx1.c,v 3.5 2005/01/07 20:33:02 greg Exp $";
 #endif
 /*
  * OpenGL GLX driver for holodeck display.
@@ -11,6 +11,7 @@ static const char	RCSid[] = "$Id: rhd_glx1.c,v 3.3 200
 #include  <GL/glx.h>
 #include  <GL/glu.h>
 
+#include "platform.h"
 #include "rhd_qtree.h"
 #include "rhdriver.h"
 #include "rhdisp.h"
@@ -60,6 +61,8 @@ static const char	RCSid[] = "$Id: rhd_glx1.c,v 3.3 200
 
 struct driver	odev;			/* global device driver structure */
 
+TMstruct	*tmGlobal;		/* global tone-mapping structure */
+
 char odev_args[64];			/* command arguments */
 
 static XEvent  currentevent;		/* current event */
@@ -141,7 +144,8 @@ dev_open(
 				&myprims[BLU][CIEX],&myprims[BLU][CIEY],
 				&myprims[WHT][CIEX],&myprims[WHT][CIEY]) >= 6)
 		dpri = myprims;
-	if (tmInit(mytmflags(), dpri, gamval) == NULL)
+	tmGlobal = tmInit(mytmflags(), dpri, gamval);
+	if (tmGlobal == NULL)
 		error(SYSTEM, "not enough memory in dev_open");
 					/* open window */
 	ourwinattr.background_pixel = ourblack;
@@ -210,7 +214,7 @@ dev_close(void)			/* close our display and free resour
 	XCloseDisplay(ourdisplay);
 	ourdisplay = NULL;
 	qtFreeLeaves();
-	tmDone(NULL);
+	tmDone(tmGlobal);
 	freecones();
 	odev.v.type = 0;
 	odev.hres = odev.vres = 0;