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-rw-r--r--payloads/libpayload/drivers/video/graphics.c16
-rw-r--r--payloads/libpayload/include/cbgfx.h5
2 files changed, 21 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/video/graphics.c b/payloads/libpayload/drivers/video/graphics.c
index d9c731b064..d4d08f8fc8 100644
--- a/payloads/libpayload/drivers/video/graphics.c
+++ b/payloads/libpayload/drivers/video/graphics.c
@@ -194,6 +194,22 @@ int clear_canvas(struct rgb_color *rgb)
return draw_box(&box, rgb);
}
+int clear_screen(struct rgb_color *rgb)
+{
+ uint32_t color;
+ struct vector p;
+
+ if (cbgfx_init())
+ return CBGFX_ERROR_INIT;
+
+ color = calculate_color(rgb);
+ for (p.y = 0; p.y < screen.size.height; p.y++)
+ for (p.x = 0; p.x < screen.size.width; p.x++)
+ set_pixel(&p, color);
+
+ return CBGFX_SUCCESS;
+}
+
/*
* This check guarantees we will not try to read outside pixel data.
*/
diff --git a/payloads/libpayload/include/cbgfx.h b/payloads/libpayload/include/cbgfx.h
index 2d6b6e938a..3c28a13cb4 100644
--- a/payloads/libpayload/include/cbgfx.h
+++ b/payloads/libpayload/include/cbgfx.h
@@ -91,6 +91,11 @@ int draw_box(const struct rect *box, const struct rgb_color *rgb);
int clear_canvas(struct rgb_color *rgb);
/*
+ * Clear the screen
+ */
+int clear_screen(struct rgb_color *rgb);
+
+/*
* Draw a bitmap image on screen.
*
* top_left_rel: coordinate of the top left corner of the image relative to the