Add clear screen function to renderer

2 files changed, 8 insertions, 0 deletions

diff --git a/src/renderer.c b/src/renderer.c
index 3072105..d587d01 100644
--- a/src/renderer.c
+++ b/src/renderer.c
@@ -346,6 +346,11 @@ draw_tile(size_t x, size_t y, Tile *tile, bool merge) {
     }
 }
 
+void
+clear_screen(void) {
+    dma_fill(FRONTBUF, 0, KB(20), 3);
+}
+
 IWRAM_CODE
 void
 flip_buffer(void) {
diff --git a/src/renderer.h b/src/renderer.h
index fd48bcf..a240b17 100644
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -46,6 +46,9 @@ void draw_filled_rect(size_t x0, size_t y0, size_t x1, size_t y1, u8 clr);
 // some merging issues if we are not careful with the chosen colors.
 void draw_tile(size_t x, size_t y, Tile *tile, bool merge);
 
+// Fills the framebuffer with color 0.
+void clear_screen(void);
+
 // Copies the content of dirty tiles from the backbuffer into the frontbuffer.
 // To be called exactly once at the beginning of the VBlank.
 void flip_buffer(void);