surface: Add basic surface enumerator

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/libnsfb.h b/include/libnsfb.h
index dfb720c..d52d821 100644
--- a/include/libnsfb.h
+++ b/include/libnsfb.h
@@ -58,6 +58,21 @@ enum nsfb_format_e {
     NSFB_FMT_I1, /* black and white */
 };
 
+/** Callback for surface enumeration
+ *
+ * @param The context you gave for the enumeration
+ * @param The name of a surface registered with libnsfb
+ * @param The type of that surface for use with ::nsfb_new
+ */
+typedef void (*surface_enumeration_cb)(void *, const char *, enum nsfb_type_e);
+
+/** Enumerate surface types registered with libnsfb
+ *
+ * @param cb The callback to call with each surface
+ * @param context The context to pass to the enumeration callback
+ */
+void nsfb_enumerate_surface_types(surface_enumeration_cb cb, void *context);
+
 /** Select frontend type from a name.
  * 
  * @param name The name to select a frontend.