1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/imbuf/intern/dds/FlipDXT.h b/source/blender/imbuf/intern/dds/FlipDXT.h
index d35157251bd..b4f71e4eca7 100644
--- a/source/blender/imbuf/intern/dds/FlipDXT.h
+++ b/source/blender/imbuf/intern/dds/FlipDXT.h
@@ -18,6 +18,10 @@
 
 #include "BLI_sys_types.h"
 
-/* flip compressed DXT image vertically to fit OpenGL convention */
+/**
+ * Flips a DXTC image, by flipping and swapping DXTC blocks as appropriate.
+ *
+ * Use to flip vertically to fit OpenGL convention.
+ */
 int FlipDXTCImage(
     unsigned int width, unsigned int height, unsigned int levels, int fourcc, uint8_t *data);