blink: Add backdrop-filter support

Source/core/style/StyleRareNonInheritedData.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 23 matching lines @@
 
 class SameSizeStyleRareNonInheritedData : public RefCounted<StyleRareNonInheritedData> {
 public:
     float floats[3];
     int integers;
 
     LengthPoint lengthPoints[2];
     LineClampValue lineClamps;
     DraggableRegionMode draggableRegions;
 
-    void* dataRefs[9];
+    void* dataRefs[10];
     void* ownPtrs[4];
 #if ENABLE(OILPAN)
     Persistent<void*> persistentHandles[2];
     void* refPtrs[2];
 #else
     void* refPtrs[4];
 #endif
 
     FillLayer fillLayers;
     NinePieceImage ninePieces;
@@ skipping 47 matching lines @@
     , textOverflow(ComputedStyle::initialTextOverflow())
     , marginBeforeCollapse(MCOLLAPSE)
     , marginAfterCollapse(MCOLLAPSE)
     , m_appearance(ComputedStyle::initialAppearance())
     , m_textDecorationStyle(ComputedStyle::initialTextDecorationStyle())
     , m_wrapFlow(ComputedStyle::initialWrapFlow())
     , m_wrapThrough(ComputedStyle::initialWrapThrough())
     , m_hasCurrentOpacityAnimation(false)
     , m_hasCurrentTransformAnimation(false)
     , m_hasCurrentFilterAnimation(false)
+    , m_hasCurrentBackdropFilterAnimation(false)
     , m_runningOpacityAnimationOnCompositor(false)
     , m_runningTransformAnimationOnCompositor(false)
     , m_runningFilterAnimationOnCompositor(false)
+    , m_runningBackdropFilterAnimationOnCompositor(false)
     , m_effectiveBlendMode(ComputedStyle::initialBlendMode())
     , m_touchAction(ComputedStyle::initialTouchAction())
     , m_objectFit(ComputedStyle::initialObjectFit())
     , m_isolation(ComputedStyle::initialIsolation())
     , m_scrollBehavior(ComputedStyle::initialScrollBehavior())
     , m_scrollSnapType(ComputedStyle::initialScrollSnapType())
     , m_requiresAcceleratedCompositingForExternalReasons(false)
     , m_hasInlineTransform(false)
     , m_resize(ComputedStyle::initialResize())
     , m_hasCompositorProxy(false)
@@ skipping 10 matching lines @@
     , m_perspectiveOrigin(o.m_perspectiveOrigin)
     , m_objectPosition(o.m_objectPosition)
     , lineClamp(o.lineClamp)
     , m_draggableRegionMode(o.m_draggableRegionMode)
     , m_deprecatedFlexibleBox(o.m_deprecatedFlexibleBox)
     , m_flexibleBox(o.m_flexibleBox)
     , m_multiCol(o.m_multiCol)
     , m_transform(o.m_transform)
     , m_willChange(o.m_willChange)
     , m_filter(o.m_filter)
+    , m_backdropFilter(o.m_backdropFilter)
     , m_grid(o.m_grid)
     , m_gridItem(o.m_gridItem)
     , m_scrollSnap(o.m_scrollSnap)
     , m_content(o.m_content ? o.m_content->clone() : nullptr)
     , m_counterDirectives(o.m_counterDirectives ? clone(*o.m_counterDirectives) : nullptr)
     , m_animations(o.m_animations ? CSSAnimationData::create(*o.m_animations) : nullptr)
     , m_transitions(o.m_transitions ? CSSTransitionData::create(*o.m_transitions) : nullptr)
     , m_boxShadow(o.m_boxShadow)
     , m_boxReflect(o.m_boxReflect)
     , m_shapeOutside(o.m_shapeOutside)
@@ skipping 23 matching lines @@
     , textOverflow(o.textOverflow)
     , marginBeforeCollapse(o.marginBeforeCollapse)
     , marginAfterCollapse(o.marginAfterCollapse)
     , m_appearance(o.m_appearance)
     , m_textDecorationStyle(o.m_textDecorationStyle)
     , m_wrapFlow(o.m_wrapFlow)
     , m_wrapThrough(o.m_wrapThrough)
     , m_hasCurrentOpacityAnimation(o.m_hasCurrentOpacityAnimation)
     , m_hasCurrentTransformAnimation(o.m_hasCurrentTransformAnimation)
     , m_hasCurrentFilterAnimation(o.m_hasCurrentFilterAnimation)
+    , m_hasCurrentBackdropFilterAnimation(o.m_hasCurrentBackdropFilterAnimation)
     , m_runningOpacityAnimationOnCompositor(o.m_runningOpacityAnimationOnCompositor)
     , m_runningTransformAnimationOnCompositor(o.m_runningTransformAnimationOnCompositor)
     , m_runningFilterAnimationOnCompositor(o.m_runningFilterAnimationOnCompositor)
+    , m_runningBackdropFilterAnimationOnCompositor(o.m_runningBackdropFilterAnimationOnCompositor)
     , m_effectiveBlendMode(o.m_effectiveBlendMode)
     , m_touchAction(o.m_touchAction)
     , m_objectFit(o.m_objectFit)
     , m_isolation(o.m_isolation)
     , m_scrollBehavior(o.m_scrollBehavior)
     , m_scrollSnapType(o.m_scrollSnapType)
     , m_requiresAcceleratedCompositingForExternalReasons(o.m_requiresAcceleratedCompositingForExternalReasons)
     , m_hasInlineTransform(o.m_hasInlineTransform)
     , m_resize(o.m_resize)
     , m_hasCompositorProxy(o.m_hasCompositorProxy)
 {
 }
 
 StyleRareNonInheritedData::~StyleRareNonInheritedData()
 {
     const FilterOperations& filterOperations = m_filter->m_operations;
     for (unsigned i = 0; i < filterOperations.size(); ++i)
         ReferenceFilterBuilder::clearDocumentResourceReference(filterOperations.at(i));
+
+    const FilterOperations& backdropFilterOperations = m_backdropFilter->m_operations;
+    for (unsigned i = 0; i < backdropFilterOperations.size(); ++i)
+        ReferenceFilterBuilder::clearDocumentResourceReference(backdropFilterOperations.at(i));
 }
 
 bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) const
 {
     return opacity == o.opacity
         && m_perspective == o.m_perspective
         && m_shapeImageThreshold == o.m_shapeImageThreshold
         && m_order == o.m_order
         && m_perspectiveOrigin == o.m_perspectiveOrigin
         && m_objectPosition == o.m_objectPosition
         && lineClamp == o.lineClamp
         && m_draggableRegionMode == o.m_draggableRegionMode
         && m_deprecatedFlexibleBox == o.m_deprecatedFlexibleBox
         && m_flexibleBox == o.m_flexibleBox
         && m_multiCol == o.m_multiCol
         && m_transform == o.m_transform
         && m_willChange == o.m_willChange
         && m_filter == o.m_filter
+        && m_backdropFilter == o.m_backdropFilter
         && m_grid == o.m_grid
         && m_gridItem == o.m_gridItem
         && m_scrollSnap == o.m_scrollSnap
         && contentDataEquivalent(o)
         && counterDataEquivalent(o)
         && shadowDataEquivalent(o)
         && reflectionDataEquivalent(o)
         && animationDataEquivalent(o)
         && transitionDataEquivalent(o)
         && shapeOutsideDataEquivalent(o)
@@ skipping 24 matching lines @@
         && textOverflow == o.textOverflow
         && marginBeforeCollapse == o.marginBeforeCollapse
         && marginAfterCollapse == o.marginAfterCollapse
         && m_appearance == o.m_appearance
         && m_textDecorationStyle == o.m_textDecorationStyle
         && m_wrapFlow == o.m_wrapFlow
         && m_wrapThrough == o.m_wrapThrough
         && m_hasCurrentOpacityAnimation == o.m_hasCurrentOpacityAnimation
         && m_hasCurrentTransformAnimation == o.m_hasCurrentTransformAnimation
         && m_hasCurrentFilterAnimation == o.m_hasCurrentFilterAnimation
+        && m_hasCurrentBackdropFilterAnimation == o.m_hasCurrentBackdropFilterAnimation
         && m_effectiveBlendMode == o.m_effectiveBlendMode
         && m_touchAction == o.m_touchAction
         && m_objectFit == o.m_objectFit
         && m_isolation == o.m_isolation
         && m_scrollBehavior == o.m_scrollBehavior
         && m_scrollSnapType == o.m_scrollSnapType
         && m_requiresAcceleratedCompositingForExternalReasons == o.m_requiresAcceleratedCompositingForExternalReasons
         && m_hasInlineTransform == o.m_hasInlineTransform
         && m_resize == o.m_resize
         && m_hasCompositorProxy == o.m_hasCompositorProxy;
@@ skipping 43 matching lines @@
     if (!m_transitions || !o.m_transitions)
         return false;
     return m_transitions->transitionsMatchForStyleRecalc(*o.m_transitions);
 }
 
 bool StyleRareNonInheritedData::hasFilters() const
 {
     return m_filter.get() && !m_filter->m_operations.isEmpty();
 }
 
+bool StyleRareNonInheritedData::hasBackdropFilters() const
+{
+    return m_backdropFilter.get() && !m_backdropFilter->m_operations.isEmpty();
+}
+
 bool StyleRareNonInheritedData::shapeOutsideDataEquivalent(const StyleRareNonInheritedData& o) const
 {
     return dataEquivalent(m_shapeOutside, o.m_shapeOutside);
 }
 
 bool StyleRareNonInheritedData::clipPathDataEquivalent(const StyleRareNonInheritedData& o) const
 {
     return dataEquivalent(m_clipPath, o.m_clipPath);
 }
 
 } // namespace blink