border: clear buffer on fullscreen views

This patch makes sure to clear the border buffer of fullscreen view so
the border doesn't get drawn behind a fullscreen view, which would be
visible if the view was transparent.

1 files changed, 8 insertions, 0 deletions

diff --git a/include/border.h b/include/border.h
index c99c02ea..eb7fc656 100644
--- a/include/border.h
+++ b/include/border.h
@@ -3,11 +3,19 @@
 #include <wlc/wlc.h>
 #include "container.h"
 
+/**
+ * Border pixel buffer and corresponding geometry.
+ */
 struct border {
         unsigned char *buffer;
         struct wlc_geometry geometry;
 };
 
+/**
+ * Clear border buffer.
+ */
+void border_clear(struct border *border);
+
 void render_view_borders(wlc_handle view);
 void update_view_border(swayc_t *view);
 void map_update_view_border(swayc_t *view, void *data);