stew

commit b8ec173466593611f68bd7da8ab074ffe265169d
parent 08fc4868fc1b2ecf69caddbfd35b8bf895563801
Author: glenda <glenda@kobeni>
Date:   Sun,  7 Jan 2024 20:34:01 +0000

src/noise: add fps

Diffstat:
M
src/noise/dnoise.c
 | 
1
-
M
src/noise/main.c
 | 
26
++++++++++++++++++++++++++

2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/src/noise/dnoise.c b/src/noise/dnoise.c
@@ -31,7 +31,6 @@ void dn_init(void *)
 void dn_draw(void *)
 {
 	read(dns.f, dns.buf, dns.n);
-	//loadimage(screen, screen->r, dns.buf, dns.n);
 	loadimage(dns.Ibuf, dns.Ibuf->r, dns.buf, dns.n);
 	draw(screen, screen->r, dns.Ibuf, nil, ZP);
 }
diff --git a/src/noise/main.c b/src/noise/main.c
@@ -11,14 +11,35 @@
 
 Scene *cs;
 
+struct FPSWidget {
+	char buf[256];
+	Image *img, *fg;
+	int count;
+	Rectangle r;
+} fps;
+
+long OT, NT, DT;
+
 void
 procdraw(void *v)
 {
 	Scene *sp = v;
 	threadsetname("draw-loop");
+	OT = nsec();
 	for (;;) {
 		lockdisplay(display);
 		if (sp->draw != nil) sp->draw(sp->aux);
+		draw(screen, rectaddpt(fps.r, screen->r.min), fps.img, nil, ZP);
+		fps.count++;
+		NT = nsec();
+		DT = NT - OT;
+		if (DT >= 1000000000) {
+			OT = NT;
+			snprint(fps.buf, 256, "%d", fps.count);
+			fps.r.max.x = stringbg(fps.img, ZP, fps.fg, ZP, font,
+			  fps.buf, display->black, ZP).x;
+			fps.count = 0;
+		}
 		flushimage(display, 1);
 		unlockdisplay(display);
 		yield();
@@ -38,6 +59,11 @@ threadmain(int, char **)
 	display->locking = 1;
 	mctl = initmouse(nil, screen);
 
+	fps.img = allocimage(display, Rect(0, 0, 512, font->height), RGB24, 0, DBlack);
+	fps.fg = allocimage(display, Rect(0, 0, 1, 1), RGB24, 1, DYellow);
+	fps.r = fps.img->r;
+	fps.r.max.x = 0;
+
 	draw(screen, screen->r, display->black, nil, ZP);
 	flushimage(display, Refnone);
 	unlockdisplay(display);