added golden test for gradient + image filter

gaaclarke · gaaclarke · commit bdd3fd18662e · 2026-03-31T09:55:14.000-07:00
diff --git a/engine/src/flutter/impeller/display_list/aiks_dl_gradient_unittests.cc b/engine/src/flutter/impeller/display_list/aiks_dl_gradient_unittests.cc
@@ -89,6 +89,26 @@ TEST_P(AiksTest, CanRenderLinearGradientDecalWithColorFilter) {
   ASSERT_TRUE(OpenPlaygroundHere(builder.Build()));
 }
 
+TEST_P(AiksTest, CanRenderLinearGradientWithImageFilter) {
+  DisplayListBuilder builder;
+  Point scale = GetContentScale();
+  builder.Scale(scale.x, scale.y);
+  DlPaint paint;
+  builder.Translate(100.0f, 0);
+
+  std::vector<DlColor> colors = {
+      DlColor(Color{0.9568, 0.2627, 0.2118, 1.0}.ToARGB()),
+      DlColor(Color{0.1294, 0.5882, 0.9529, 0.0}.ToARGB())};
+  std::vector<Scalar> stops = {0.0, 1.0};
+
+  paint.setColorSource(DlColorSource::MakeLinear(
+      {0, 0}, {200, 200}, 2, colors.data(), stops.data(), DlTileMode::kClamp));
+  paint.setImageFilter(DlImageFilter::MakeBlur(20.0, 20.0, DlTileMode::kDecal));
+  paint.setColor(DlColor::kWhite());
+  builder.DrawRect(DlRect::MakeXYWH(0, 0, 600, 600), paint);
+  ASSERT_TRUE(OpenPlaygroundHere(builder.Build()));
+}
+
 static void CanRenderLinearGradientWithDithering(AiksTest* aiks_test) {
   DisplayListBuilder builder;
   DlPaint paint;
