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Issue 2792833002: Revert of Optimize the pre-paint tree walk and ClipRects (Closed)
Patch Set: Created 3 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights
3 * reserved. 3 * reserved.
4 * 4 *
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation.
6 * 6 *
7 * Other contributors: 7 * Other contributors:
8 * Robert O'Callahan <roc+@cs.cmu.edu> 8 * Robert O'Callahan <roc+@cs.cmu.edu>
9 * David Baron <dbaron@fas.harvard.edu> 9 * David Baron <dbaron@fas.harvard.edu>
10 * Christian Biesinger <cbiesinger@web.de> 10 * Christian Biesinger <cbiesinger@web.de>
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88 88
89 namespace blink { 89 namespace blink {
90 90
91 namespace { 91 namespace {
92 92
93 static CompositingQueryMode gCompositingQueryMode = 93 static CompositingQueryMode gCompositingQueryMode =
94 CompositingQueriesAreOnlyAllowedInCertainDocumentLifecyclePhases; 94 CompositingQueriesAreOnlyAllowedInCertainDocumentLifecyclePhases;
95 95
96 struct SameSizeAsPaintLayer : DisplayItemClient { 96 struct SameSizeAsPaintLayer : DisplayItemClient {
97 int bitFields; 97 int bitFields;
98 void* pointers[10]; 98 void* pointers[11];
99 LayoutUnit layoutUnits[4]; 99 LayoutUnit layoutUnits[4];
100 IntSize size; 100 IntSize size;
101 Persistent<PaintLayerScrollableArea> scrollableArea; 101 Persistent<PaintLayerScrollableArea> scrollableArea;
102 struct { 102 struct {
103 IntSize size; 103 IntSize size;
104 void* pointer; 104 void* pointer;
105 LayoutRect rect; 105 LayoutRect rect;
106 } previousPaintStatus; 106 } previousPaintStatus;
107 ClipRects previousClipRects;
108 }; 107 };
109 108
110 static_assert(sizeof(PaintLayer) == sizeof(SameSizeAsPaintLayer), 109 static_assert(sizeof(PaintLayer) == sizeof(SameSizeAsPaintLayer),
111 "PaintLayer should stay small"); 110 "PaintLayer should stay small");
112 111
113 bool isReferenceClipPath(const ClipPathOperation* clipOperation) { 112 bool isReferenceClipPath(const ClipPathOperation* clipOperation) {
114 return clipOperation && clipOperation->type() == ClipPathOperation::REFERENCE; 113 return clipOperation && clipOperation->type() == ClipPathOperation::REFERENCE;
115 } 114 }
116 115
117 } // namespace 116 } // namespace
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150 m_needsPaintPhaseDescendantOutlines(false), 149 m_needsPaintPhaseDescendantOutlines(false),
151 m_previousPaintPhaseDescendantOutlinesWasEmpty(false), 150 m_previousPaintPhaseDescendantOutlinesWasEmpty(false),
152 m_needsPaintPhaseFloat(false), 151 m_needsPaintPhaseFloat(false),
153 m_previousPaintPhaseFloatWasEmpty(false), 152 m_previousPaintPhaseFloatWasEmpty(false),
154 m_needsPaintPhaseDescendantBlockBackgrounds(false), 153 m_needsPaintPhaseDescendantBlockBackgrounds(false),
155 m_previousPaintPhaseDescendantBlockBackgroundsWasEmpty(false), 154 m_previousPaintPhaseDescendantBlockBackgroundsWasEmpty(false),
156 m_hasDescendantWithClipPath(false), 155 m_hasDescendantWithClipPath(false),
157 m_hasNonIsolatedDescendantWithBlendMode(false), 156 m_hasNonIsolatedDescendantWithBlendMode(false),
158 m_hasAncestorWithClipPath(false), 157 m_hasAncestorWithClipPath(false),
159 m_selfPaintingStatusChanged(false), 158 m_selfPaintingStatusChanged(false),
160 m_hasPreviousPaintingClipRects(false),
161 m_layoutObject(layoutObject), 159 m_layoutObject(layoutObject),
162 m_parent(0), 160 m_parent(0),
163 m_previous(0), 161 m_previous(0),
164 m_next(0), 162 m_next(0),
165 m_first(0), 163 m_first(0),
166 m_last(0), 164 m_last(0),
167 m_staticInlinePosition(0), 165 m_staticInlinePosition(0),
168 m_staticBlockPosition(0), 166 m_staticBlockPosition(0),
169 m_ancestorOverflowLayer(nullptr) { 167 m_ancestorOverflowLayer(nullptr) {
170 updateStackingNode(); 168 updateStackingNode();
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3252 } 3250 }
3253 3251
3254 void showLayerTree(const blink::LayoutObject* layoutObject) { 3252 void showLayerTree(const blink::LayoutObject* layoutObject) {
3255 if (!layoutObject) { 3253 if (!layoutObject) {
3256 LOG(INFO) << "Cannot showLayerTree. Root is (nil)"; 3254 LOG(INFO) << "Cannot showLayerTree. Root is (nil)";
3257 return; 3255 return;
3258 } 3256 }
3259 showLayerTree(layoutObject->enclosingLayer()); 3257 showLayerTree(layoutObject->enclosingLayer());
3260 } 3258 }
3261 #endif 3259 #endif
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