1 files changed, 23 insertions, 6 deletions
diff --git a/libdimension/dimension/light.h b/libdimension/dimension/light.h
index 69ed9e7..dfda157 100644
--- a/libdimension/dimension/light.h
+++ b/libdimension/dimension/light.h
@@ -18,30 +18,47 @@
  * <http://www.gnu.org/licenses/>.                                       *
  *************************************************************************/
 
-/*
+/**
+ * @file
  * Lights.
  */
 
 #ifndef DIMENSION_LIGHT_H
 #define DIMENSION_LIGHT_H
 
+/* Forward-declar dmnsn_light */
 typedef struct dmnsn_light dmnsn_light;
 
+/**
+ * Light callback.
+ * @param[in] light  The light itself.
+ * @param[in] v      The point to illuminate.
+ * @return The color of the light at \p v.
+ */
 typedef dmnsn_color dmnsn_light_fn(const dmnsn_light *light, dmnsn_vector v);
 
+/** A light. */
 struct dmnsn_light {
-  /* Origin of light rays */
-  dmnsn_vector x0;
+  dmnsn_vector x0; /**< Origin of light rays */
 
   /* Callbacks */
-  dmnsn_light_fn *light_fn;
-  dmnsn_free_fn  *free_fn;
+  dmnsn_light_fn *light_fn; /**< Light callback. */
+  dmnsn_free_fn  *free_fn;  /**< Desctructor callback. */
 
-  /* Generic pointer for light info */
+  /** Generic pointer for light info */
   void *ptr;
 };
 
+/**
+ * Create a dummy light.
+ * @return The allocated light.
+ */
 dmnsn_light *dmnsn_new_light(void);
+
+/**
+ * Delete a light.
+ * @param[in,out] light  The light to delete.
+ */
 void dmnsn_delete_light(dmnsn_light *light);
 
 #endif /* DIMENSION_LIGHT_H */