1 files changed, 8 insertions, 3 deletions
diff --git a/gm/imageblurclampmode.cpp b/gm/imageblurclampmode.cpp
index 51109c5cff..74bed43b2b 100644
--- a/gm/imageblurclampmode.cpp
+++ b/gm/imageblurclampmode.cpp
@@ -61,29 +61,34 @@ protected:
 
     void onDraw(SkCanvas* canvas) override {
         sk_sp<SkImage> image(make_image(canvas));
+        sk_sp<SkImageFilter> filter;
 
         canvas->translate(0, 30);
         // Test different kernel size, including the one to launch 2d Gaussian
         // blur.
         for (auto sigma: { 0.6f, 3.0f, 8.0f, 20.0f }) {
             canvas->save();
-            sk_sp<SkImageFilter> filter(
-                  SkBlurImageFilter::Make(sigma, 0.0f, nullptr, nullptr,
-                                          SkBlurImageFilter::kClamp_TileMode));
+
+            // x-only blur
+            filter =  SkBlurImageFilter::Make(sigma, 0.0f, nullptr, nullptr,
+                                              SkBlurImageFilter::kClamp_TileMode);
             draw_image(canvas, image, std::move(filter));
             canvas->translate(image->width() + 20, 0);
 
+            // y-only blur
             filter = SkBlurImageFilter::Make(0.0f, sigma, nullptr, nullptr,
                                              SkBlurImageFilter::kClamp_TileMode);
             draw_image(canvas, image, std::move(filter));
             canvas->translate(image->width() + 20, 0);
 
+            // both directions
             filter = SkBlurImageFilter::Make(sigma, sigma, nullptr, nullptr,
                                              SkBlurImageFilter::kClamp_TileMode);
             draw_image(canvas, image, std::move(filter));
             canvas->translate(image->width() + 20, 0);
 
             canvas->restore();
+
             canvas->translate(0, image->height() + 20);
         }
     }