VoronoiSplat: added some comments.

1 files changed, 3 insertions, 1 deletions

diff --git a/voronoisplat.h b/voronoisplat.h
index 78dfd3e..5663f8b 100644
--- a/voronoisplat.h
+++ b/voronoisplat.h
@@ -19,7 +19,9 @@ public:
 
     void bind();
 
-    // When true is returned, should probably call resetOpenGLState() on window
+    // Call this whenever the texture should be updated (after changing the
+    // sites, values or colormap). When true is returned, should probably call
+    // resetOpenGLState() on QtQuick window
     bool updateTexture();
 
     bool hasAlphaChannel() const { return true; }