1 files changed, 77 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/graphics/paint/filter_display_item.h b/chromium/third_party/blink/renderer/platform/graphics/paint/filter_display_item.h
new file mode 100644
index 00000000000..160eb05a3ed
--- /dev/null
+++ b/chromium/third_party/blink/renderer/platform/graphics/paint/filter_display_item.h
@@ -0,0 +1,77 @@
+// Copyright 2014 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.
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_FILTER_DISPLAY_ITEM_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_FILTER_DISPLAY_ITEM_H_
+
+#include <memory>
+#include "base/memory/scoped_refptr.h"
+#include "third_party/blink/renderer/platform/geometry/float_rect.h"
+#include "third_party/blink/renderer/platform/graphics/compositor_filter_operations.h"
+#include "third_party/blink/renderer/platform/graphics/paint/display_item.h"
+
+namespace blink {
+
+class PLATFORM_EXPORT BeginFilterDisplayItem final
+    : public PairedBeginDisplayItem {
+ public:
+  BeginFilterDisplayItem(const DisplayItemClient& client,
+                         sk_sp<PaintFilter> image_filter,
+                         const FloatRect& bounds,
+                         const FloatPoint& origin,
+                         CompositorFilterOperations filter_operations)
+      : PairedBeginDisplayItem(client, kBeginFilter, sizeof(*this)),
+        image_filter_(std::move(image_filter)),
+        compositor_filter_operations_(std::move(filter_operations)),
+        bounds_(bounds),
+        origin_(origin) {}
+
+  void Replay(GraphicsContext&) const override;
+  void AppendToWebDisplayItemList(const FloatSize&,
+                                  WebDisplayItemList*) const override;
+  bool DrawsContent() const override;
+
+ private:
+#if DCHECK_IS_ON()
+  void PropertiesAsJSON(JSONObject&) const override;
+#endif
+  bool Equals(const DisplayItem& other) const final {
+    if (!DisplayItem::Equals(other))
+      return false;
+    const auto& other_item = static_cast<const BeginFilterDisplayItem&>(other);
+    // Ignores changes of reference filters because PaintFilter doesn't have
+    // an equality operator.
+    return bounds_ == other_item.bounds_ && origin_ == other_item.origin_ &&
+           compositor_filter_operations_.EqualsIgnoringReferenceFilters(
+               other_item.compositor_filter_operations_);
+  }
+
+  // FIXME: m_imageFilter should be replaced with m_webFilterOperations when
+  // copying data to the compositor.
+  sk_sp<PaintFilter> image_filter_;
+  CompositorFilterOperations compositor_filter_operations_;
+  const FloatRect bounds_;
+  const FloatPoint origin_;
+};
+
+class PLATFORM_EXPORT EndFilterDisplayItem final : public PairedEndDisplayItem {
+ public:
+  EndFilterDisplayItem(const DisplayItemClient& client)
+      : PairedEndDisplayItem(client, kEndFilter, sizeof(*this)) {}
+
+  void Replay(GraphicsContext&) const override;
+  void AppendToWebDisplayItemList(const FloatSize&,
+                                  WebDisplayItemList*) const override;
+
+ private:
+#if DCHECK_IS_ON()
+  bool IsEndAndPairedWith(DisplayItem::Type other_type) const final {
+    return other_type == kBeginFilter;
+  }
+#endif
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_FILTER_DISPLAY_ITEM_H_