From 3ce78e043929636cdfb83bdbcd6e922551ab5e87 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sun, 1 Dec 2002 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2002-12-01

---
 pc/devvga.c    | 3 ++-
 pc/screen.c    | 1 +
 pc/screen.h    | 2 ++
 port/devdraw.c | 6 ++++++
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/pc/devvga.c b/pc/devvga.c
index 765eb83d673251e961c20ce54f8c258be5b614fc..7ebeebd2675e83eab1eaa3ac8dbbbada0de73a44 100644
--- a/pc/devvga.c
+++ b/pc/devvga.c
@@ -179,7 +179,8 @@ vgaread(Chan* c, void* a, long n, vlong off)
 					physgscreenr.max.x, physgscreenr.max.y);
 		}
 
-		len += snprint(p+len, READSTR-len, "blanktime %lud\n", blanktime);
+		len += snprint(p+len, READSTR-len, "blank time %lud idle %d state %s\n",
+			blanktime, drawidletime(), scr->isblank ? "off" : "on");
 		len += snprint(p+len, READSTR-len, "hwaccel %s\n", hwaccel ? "on" : "off");
 		len += snprint(p+len, READSTR-len, "hwblank %s\n", hwblank ? "on" : "off");
 		len += snprint(p+len, READSTR-len, "panning %s\n", panning ? "on" : "off");
diff --git a/pc/screen.c b/pc/screen.c
index baa8f48494ffae134d307a23f434a45d9662e8e9..7a784bbee483c076d26b51ce2bd8ebf44180deb1 100644
--- a/pc/screen.c
+++ b/pc/screen.c
@@ -385,6 +385,7 @@ blankscreen(int blank)
 	VGAscr *scr;
 
 	scr = &vgascreen[0];
+	scr->isblank = blank;
 	if(hwblank){
 		if(scr->blank)
 			scr->blank(scr, blank);
diff --git a/pc/screen.h b/pc/screen.h
index e6e2b151f69b5601ce8b0785ed30d9f0de1223d8..3d94c1846a2541ff55ec877c9f2cf8299d2e41d2 100644
--- a/pc/screen.h
+++ b/pc/screen.h
@@ -114,6 +114,7 @@ struct VGAscr {
 	int	(*scroll)(VGAscr*, Rectangle, Rectangle);
 	void	(*blank)(VGAscr*, int);
 	ulong	id;	/* internal identifier for driver use */
+	int isblank;
 };
 
 extern VGAscr vgascreen[];
@@ -146,6 +147,7 @@ extern int		drawhasclients(void);
 extern ulong	blanktime;
 extern void	setscreenimageclipr(Rectangle);
 extern void	drawflush(void);
+extern int drawidletime(void);
 
 /* vga.c */
 extern void	vgascreenwin(VGAscr*);
diff --git a/port/devdraw.c b/port/devdraw.c
index 2f2a6d8a33818a9f972439cafbe4249365554cee..0f0f6d4699871eedba430dc5102a46d4640f11bc 100644
--- a/port/devdraw.c
+++ b/port/devdraw.c
@@ -2028,3 +2028,9 @@ drawactive(int active)
 			sdraw.blanktime++;
 	}
 }
+
+int
+drawidletime(void)
+{
+	return TK2SEC(sdraw.blanktime)/60;
+}