From 1a5a0e5cd6f82535c80f7a88b2b4dfac222fa2bb Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sun, 13 Feb 2022 17:45:33 -0700
Subject: Implement Lock on Drawer

---
 src/graphics/drawer.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/graphics/drawer.c')

diff --git a/src/graphics/drawer.c b/src/graphics/drawer.c
index 4445919..dc0ffe1 100644
--- a/src/graphics/drawer.c
+++ b/src/graphics/drawer.c
@@ -3,6 +3,7 @@
 
 void write_cchar(struct Drawer* d, char s, unsigned int c)
 {
+	lock(&d->l);
 	d->x %= GG_MAX_X;
 	d->y %= GG_MAX_Y;
 	if (s == 0x0A) {
@@ -15,6 +16,7 @@ void write_cchar(struct Drawer* d, char s, unsigned int c)
 			d->x = 0;
 		}
 	}
+	unlock(&d->l);
 	// CHECK Y EVENTUALLY
 }
 
@@ -25,6 +27,7 @@ void write_char(struct Drawer* d, char s)
 
 void write_cstring(struct Drawer* d, char* s, unsigned int c)
 {
+	lock(&d->l);
 	d->x %= GG_MAX_X;
 	d->y %= GG_MAX_Y;
 	unsigned int idx = 0;
@@ -42,6 +45,7 @@ void write_cstring(struct Drawer* d, char* s, unsigned int c)
 		}
 		// CHECK Y EVENTUALLY
 	}
+	unlock(&d->l);
 }
 
 void write_string(struct Drawer* d, char* s)
@@ -51,12 +55,14 @@ void write_string(struct Drawer* d, char* s)
 
 void write_chex32(struct Drawer* d, unsigned long val, unsigned int c)
 {
+	lock(&d->l);
 	draw_chex32(d->x, d->y, val, c);
 	d->x += 8;
 	if (d->x >= GG_MAX_X) {
 		d->y += 1;
 		d->x %= GG_MAX_X;
 	}
+	unlock(&d->l);
 }
 
 void write_hex32(struct Drawer* d, unsigned long val)
@@ -87,6 +93,8 @@ void write_10(struct Drawer* d, unsigned long val)
 
 void set_drawer(struct Drawer* d, unsigned int x, unsigned int y)
 {
+	lock(&d->l);
 	d->x = x % GG_MAX_X;
 	d->y = y % GG_MAX_Y;
+	unlock(&d->l);
 }
-- 
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