Index: third_party/WebKit/Source/core/paint/SVGModelObjectPaintInvalidator.cpp |
diff --git a/third_party/WebKit/Source/core/paint/SVGModelObjectPaintInvalidator.cpp b/third_party/WebKit/Source/core/paint/SVGModelObjectPaintInvalidator.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..567e24bfe2ad6ce8cf921d4a351d4ce7ad0edff5 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/paint/SVGModelObjectPaintInvalidator.cpp |
@@ -0,0 +1,25 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "core/paint/SVGModelObjectPaintInvalidator.h" |
+ |
+#include "core/layout/svg/LayoutSVGModelObject.h" |
+#include "core/paint/ObjectPaintInvalidator.h" |
+ |
+namespace blink { |
+ |
+PaintInvalidationReason SVGModelObjectPaintInvalidator::invalidatePaintIfNeeded() |
+{ |
+ PaintInvalidationReason reason = ObjectPaintInvalidator(m_object, m_context).computePaintInvalidationReason(); |
+ |
+ // Disable incremental invalidation for SVG objects to prevent under- |
+ // invalidation. Unlike boxes, it is non-trivial (and rare) for SVG objects |
+ // to be able to be incrementally invalidated (e.g., on height changes). |
+ if (reason == PaintInvalidationIncremental) |
+ reason = PaintInvalidationFull; |
+ |
+ return ObjectPaintInvalidator(m_object, m_context).invalidatePaintIfNeededWithComputedReason(reason); |
+} |
+ |
+} // namespace blink |