Push CompositorFilterOperations creation out of GraphicsLayer

third_party/WebKit/Source/core/paint/PaintLayer.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 63 matching lines @@
 #include "core/paint/BoxReflectionUtils.h"
 #include "core/paint/FilterEffectBuilder.h"
 #include "core/paint/ObjectPaintInvalidator.h"
 #include "core/paint/PaintTiming.h"
 #include "platform/LengthFunctions.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/TransformState.h"
+#include "platform/graphics/CompositorFilterOperations.h"
 #include "platform/graphics/filters/Filter.h"
-#include "platform/graphics/filters/SourceGraphic.h"
+#include "platform/graphics/filters/SkiaImageFilterBuilder.h"
 #include "platform/transforms/ScaleTransformOperation.h"
 #include "platform/transforms/TransformationMatrix.h"
 #include "platform/transforms/TranslateTransformOperation.h"
-#include "public/platform/Platform.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/allocator/Partitions.h"
 #include "wtf/text/CString.h"
 
 namespace blink {
 
 namespace {
 
 static CompositingQueryMode gCompositingQueryMode =
@@ skipping 2576 matching lines @@
 bool PaintLayer::scrollsOverflow() const
 {
     if (PaintLayerScrollableArea* scrollableArea = this->getScrollableArea())
         return scrollableArea->scrollsOverflow();
 
     return false;
 }
 
 namespace {
 
-FilterOperations computeFilterOperationsHandleReferenceFilters(const FilterOperations& filters, float effectiveZoom, Node* enclosingNode)
+FilterOperations resolveReferenceFilters(const FilterOperations& filters, float effectiveZoom, Node* enclosingNode)
 {
     if (filters.hasReferenceFilter()) {
         for (size_t i = 0; i < filters.size(); ++i) {
             FilterOperation* filterOperation = filters.operations().at(i).get();
             if (filterOperation->type() != FilterOperation::REFERENCE)
                 continue;
             ReferenceFilterOperation& referenceOperation = toReferenceFilterOperation(*filterOperation);
             // FIXME: Cache the Filter if it didn't change.
             Filter* referenceFilter = FilterEffectBuilder::buildReferenceFilter(referenceOperation, nullptr, nullptr, nullptr, *toElement(enclosingNode), nullptr, effectiveZoom);
             referenceOperation.setFilter(referenceFilter);
         }
     }
     return filters;
 }
 
 } // unnamed namespace
 
 FilterOperations PaintLayer::computeFilterOperations(const ComputedStyle& style) const
 {
     FilterOperations filterOperations = style.filter();
     if (RuntimeEnabledFeatures::cssBoxReflectFilterEnabled() && layoutObject()->hasReflection() && layoutObject()->isBox()) {
         BoxReflection reflection = boxReflectionForPaintLayer(*this, style);
         filterOperations.operations().append(BoxReflectFilterOperation::create(reflection));
     }
-    return computeFilterOperationsHandleReferenceFilters(filterOperations, style.effectiveZoom(), enclosingNode());
+    return resolveReferenceFilters(filterOperations, style.effectiveZoom(), enclosingNode());
 }
 
-FilterOperations PaintLayer::computeBackdropFilterOperations(const ComputedStyle& style) const
+CompositorFilterOperations PaintLayer::createCompositorFilterOperationsForFilter(const ComputedStyle& style)
 {
-    return computeFilterOperationsHandleReferenceFilters(style.backdropFilter(), style.effectiveZoom(), enclosingNode());
+    return SkiaImageFilterBuilder::buildFilterOperations(computeFilterOperations(style));
+}
+
+CompositorFilterOperations PaintLayer::createCompositorFilterOperationsForBackdropFilter(const ComputedStyle& style)
+{
+    FilterOperations operations = resolveReferenceFilters(style.backdropFilter(), style.effectiveZoom(), enclosingNode());
+    return SkiaImageFilterBuilder::buildFilterOperations(operations);
 }
 
 PaintLayerFilterInfo& PaintLayer::ensureFilterInfo()
 {
     PaintLayerRareData& rareData = ensureRareData();
     if (!rareData.filterInfo)
         rareData.filterInfo = new PaintLayerFilterInfo(this);
     return *rareData.filterInfo;
 }
 
@@ skipping 253 matching lines @@
 
 void showLayerTree(const blink::LayoutObject* layoutObject)
 {
     if (!layoutObject) {
         fprintf(stderr, "Cannot showLayerTree. Root is (nil)\n");
         return;
     }
     showLayerTree(layoutObject->enclosingLayer());
 }
 #endif