added docstring

flutter · Nov 30, 2023 · b035cd1 · b035cd1
1 parent e1b4675
commit b035cd1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/impeller/entity/contents/filters/gaussian_blur_filter_contents.cc b/impeller/entity/contents/filters/gaussian_blur_filter_contents.cc
@@ -54,6 +54,8 @@ Matrix MakeAnchorScale(const Point& anchor, Vector2 scale) {
          Matrix::MakeTranslation({-anchor.x, -anchor.y, 0});
 }
 
+/// Makes a subpass that will render the scaled down input and add the
+/// transparent gutter required for the blur halo.
 std::shared_ptr<Texture> MakeDownsampleSubpass(
     const ContentContext& renderer,
     std::shared_ptr<Texture> input_texture,