From dc4ccee4510fa5c264429cbc8782927bd67d279c Mon Sep 17 00:00:00 2001
From: Gwilym Kuiper <gw@ilym.me>
Date: Thu, 7 Apr 2022 23:01:01 +0100
Subject: [PATCH] Add a commit method for text_render

---
 agb/examples/text_render.rs |  2 ++
 agb/src/display/font.rs     | 10 ++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/agb/examples/text_render.rs b/agb/examples/text_render.rs
index 39b9049b..f465a67a 100644
--- a/agb/examples/text_render.rs
+++ b/agb/examples/text_render.rs
@@ -42,6 +42,8 @@ fn main(mut gba: agb::Gba) -> ! {
     writeln!(&mut writer, "Hello, World!").unwrap();
     writeln!(&mut writer, "This is a font rendering example").unwrap();
 
+    writer.commit();
+
     bg.commit();
     bg.show();
 
diff --git a/agb/src/display/font.rs b/agb/src/display/font.rs
index ed41cdbb..70b8a136 100644
--- a/agb/src/display/font.rs
+++ b/agb/src/display/font.rs
@@ -142,6 +142,14 @@ impl<'a> Write for TextRenderer<'a> {
             self.current_x_pos += letter.advance_width as i32;
         }
 
+        Ok(())
+    }
+}
+
+impl<'a> TextRenderer<'a> {
+    pub fn commit(mut self) {
+        let tiles = core::mem::take(&mut self.tiles);
+
         for ((x, y), tile) in tiles.into_iter() {
             self.bg.set_tile(
                 self.vram_manager,
@@ -151,7 +159,5 @@ impl<'a> Write for TextRenderer<'a> {
             );
             self.vram_manager.remove_dynamic_tile(tile);
         }
-
-        Ok(())
     }
 }