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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef PaintInvalidator_h | 5 #ifndef PaintInvalidator_h |
6 #define PaintInvalidator_h | 6 #define PaintInvalidator_h |
7 | 7 |
| 8 #include "core/layout/LayoutObject.h" |
| 9 #include "core/paint/PaintPropertyTreeBuilder.h" |
8 #include "platform/geometry/LayoutRect.h" | 10 #include "platform/geometry/LayoutRect.h" |
9 #include "platform/graphics/paint/GeometryMapper.h" | 11 #include "platform/graphics/paint/GeometryMapper.h" |
10 #include "wtf/Vector.h" | 12 #include "wtf/Vector.h" |
11 | 13 |
12 namespace blink { | 14 namespace blink { |
13 | 15 |
14 class FrameView; | |
15 class LayoutBoxModelObject; | |
16 class LayoutObject; | |
17 class PaintLayer; | |
18 struct PaintPropertyTreeBuilderContext; | |
19 | |
20 struct PaintInvalidatorContext { | 16 struct PaintInvalidatorContext { |
21 PaintInvalidatorContext( | 17 PaintInvalidatorContext( |
22 const PaintPropertyTreeBuilderContext& treeBuilderContext, | 18 const PaintPropertyTreeBuilderContext* treeBuilderContext, |
23 GeometryMapper& geometryMapper) | 19 GeometryMapper& geometryMapper) |
24 : parentContext(nullptr), | 20 : parentContext(nullptr), |
25 m_treeBuilderContext(treeBuilderContext), | 21 m_treeBuilderContext(treeBuilderContext), |
26 m_geometryMapper(geometryMapper) {} | 22 m_geometryMapper(geometryMapper) {} |
27 | 23 |
28 PaintInvalidatorContext( | 24 PaintInvalidatorContext( |
29 const PaintPropertyTreeBuilderContext& treeBuilderContext, | 25 const PaintPropertyTreeBuilderContext* treeBuilderContext, |
30 const PaintInvalidatorContext& parentContext) | 26 const PaintInvalidatorContext& parentContext) |
31 : parentContext(&parentContext), | 27 : parentContext(&parentContext), |
32 forcedSubtreeInvalidationFlags( | 28 forcedSubtreeInvalidationFlags( |
33 parentContext.forcedSubtreeInvalidationFlags), | 29 parentContext.forcedSubtreeInvalidationFlags), |
34 paintInvalidationContainer(parentContext.paintInvalidationContainer), | 30 paintInvalidationContainer(parentContext.paintInvalidationContainer), |
35 paintInvalidationContainerForStackedContents( | 31 paintInvalidationContainerForStackedContents( |
36 parentContext.paintInvalidationContainerForStackedContents), | 32 parentContext.paintInvalidationContainerForStackedContents), |
37 paintingLayer(parentContext.paintingLayer), | 33 paintingLayer(parentContext.paintingLayer), |
38 m_treeBuilderContext(treeBuilderContext), | 34 m_treeBuilderContext(treeBuilderContext), |
39 m_geometryMapper(parentContext.m_geometryMapper) {} | 35 m_geometryMapper(parentContext.m_geometryMapper) {} |
40 | 36 |
41 // This method is virtual temporarily to adapt PaintInvalidatorContext and the | 37 // This method is virtual temporarily to adapt PaintInvalidatorContext and the |
42 // legacy PaintInvalidationState for code shared by old code and new code. | 38 // legacy PaintInvalidationState for code shared by old code and new code. |
43 virtual void mapLocalRectToVisualRectInBacking(const LayoutObject&, | 39 virtual void mapLocalRectToVisualRectInBacking(const LayoutObject&, |
44 LayoutRect&) const; | 40 LayoutRect&) const; |
45 | 41 |
| 42 bool needsVisualRectUpdate(const LayoutObject& object) const { |
| 43 if (!RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) |
| 44 return true; |
| 45 #if DCHECK_IS_ON() |
| 46 if (m_forceVisualRectUpdateForChecking) |
| 47 return true; |
| 48 #endif |
| 49 return object.needsPaintOffsetAndVisualRectUpdate() || |
| 50 (forcedSubtreeInvalidationFlags & |
| 51 PaintInvalidatorContext::ForcedSubtreeVisualRectUpdate); |
| 52 } |
| 53 |
46 const PaintInvalidatorContext* parentContext; | 54 const PaintInvalidatorContext* parentContext; |
47 | 55 |
48 enum ForcedSubtreeInvalidationFlag { | 56 enum ForcedSubtreeInvalidationFlag { |
49 ForcedSubtreeInvalidationChecking = 1 << 0, | 57 ForcedSubtreeInvalidationChecking = 1 << 0, |
50 ForcedSubtreeInvalidationRectUpdate = 1 << 1, | 58 ForcedSubtreeVisualRectUpdate = 1 << 1, |
51 ForcedSubtreeFullInvalidation = 1 << 2, | 59 ForcedSubtreeFullInvalidation = 1 << 2, |
52 ForcedSubtreeFullInvalidationForStackedContents = 1 << 3, | 60 ForcedSubtreeFullInvalidationForStackedContents = 1 << 3, |
53 ForcedSubtreeSVGResourceChange = 1 << 4, | 61 ForcedSubtreeSVGResourceChange = 1 << 4, |
| 62 |
54 // TODO(crbug.com/637313): This is temporary before we support filters in | 63 // TODO(crbug.com/637313): This is temporary before we support filters in |
55 // paint property tree. | 64 // paint property tree. |
56 ForcedSubtreeSlowPathRect = 1 << 5, | 65 ForcedSubtreeSlowPathRect = 1 << 5, |
57 | 66 |
58 // The paint invalidation tree walk invalidates paint caches, such as | 67 // The paint invalidation tree walk invalidates paint caches, such as |
59 // DisplayItemClients and subsequence caches, and also the regions | 68 // DisplayItemClients and subsequence caches, and also the regions |
60 // into which objects raster pixels. When this flag is set, raster region | 69 // into which objects raster pixels. When this flag is set, raster region |
61 // invalidations are not issued. | 70 // invalidations are not issued. |
62 // | 71 // |
63 // Context: some objects in this paint walk, for example SVG resource | 72 // Context: some objects in this paint walk, for example SVG resource |
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94 // Store the origin of the object's local coordinates in the paint | 103 // Store the origin of the object's local coordinates in the paint |
95 // invalidation backing's coordinates. They are used to detect layoutObject | 104 // invalidation backing's coordinates. They are used to detect layoutObject |
96 // shifts that force a full invalidation and invalidation check in subtree. | 105 // shifts that force a full invalidation and invalidation check in subtree. |
97 // The points do *not* account for composited scrolling. See | 106 // The points do *not* account for composited scrolling. See |
98 // LayoutObject::adjustVisualRectForCompositedScrolling(). | 107 // LayoutObject::adjustVisualRectForCompositedScrolling(). |
99 LayoutPoint oldLocation; | 108 LayoutPoint oldLocation; |
100 LayoutPoint newLocation; | 109 LayoutPoint newLocation; |
101 | 110 |
102 private: | 111 private: |
103 friend class PaintInvalidator; | 112 friend class PaintInvalidator; |
104 const PaintPropertyTreeBuilderContext& m_treeBuilderContext; | 113 const PaintPropertyTreeBuilderContext* m_treeBuilderContext; |
105 GeometryMapper& m_geometryMapper; | 114 GeometryMapper& m_geometryMapper; |
| 115 |
| 116 #if DCHECK_IS_ON() |
| 117 friend class FindVisualRectNeedingUpdateScopeBase; |
| 118 mutable bool m_forceVisualRectUpdateForChecking = false; |
| 119 #endif |
106 }; | 120 }; |
107 | 121 |
108 class PaintInvalidator { | 122 class PaintInvalidator { |
109 public: | 123 public: |
110 void invalidatePaintIfNeeded(FrameView&, PaintInvalidatorContext&); | 124 void invalidatePaintIfNeeded(FrameView&, PaintInvalidatorContext&); |
111 void invalidatePaintIfNeeded(const LayoutObject&, PaintInvalidatorContext&); | 125 void invalidatePaintIfNeeded(const LayoutObject&, PaintInvalidatorContext&); |
112 | 126 |
113 // Process objects needing paint invalidation on the next frame. | 127 // Process objects needing paint invalidation on the next frame. |
114 // See the definition of PaintInvalidationDelayedFull for more details. | 128 // See the definition of PaintInvalidationDelayedFull for more details. |
115 void processPendingDelayedPaintInvalidations(); | 129 void processPendingDelayedPaintInvalidations(); |
116 | 130 |
117 private: | 131 private: |
118 friend struct PaintInvalidatorContext; | 132 friend struct PaintInvalidatorContext; |
119 template <typename Rect, typename Point> | 133 template <typename Rect, typename Point> |
120 static LayoutRect mapLocalRectToVisualRectInBacking( | 134 static LayoutRect mapLocalRectToVisualRectInBacking( |
121 const LayoutObject&, | 135 const LayoutObject&, |
122 const Rect&, | 136 const Rect&, |
123 const PaintInvalidatorContext&); | 137 const PaintInvalidatorContext&); |
124 | 138 |
125 ALWAYS_INLINE LayoutRect | 139 ALWAYS_INLINE LayoutRect |
126 computeVisualRectInBacking(const LayoutObject&, | 140 computeVisualRectInBacking(const LayoutObject&, |
127 const PaintInvalidatorContext&); | 141 const PaintInvalidatorContext&); |
128 ALWAYS_INLINE LayoutPoint | 142 ALWAYS_INLINE LayoutPoint |
129 computeLocationInBacking(const LayoutObject&, const PaintInvalidatorContext&); | 143 computeLocationInBacking(const LayoutObject&, const PaintInvalidatorContext&); |
130 ALWAYS_INLINE void updatePaintingLayer(const LayoutObject&, | 144 ALWAYS_INLINE void updatePaintingLayer(const LayoutObject&, |
131 PaintInvalidatorContext&); | 145 PaintInvalidatorContext&); |
132 ALWAYS_INLINE void updatePaintInvalidationContainer(const LayoutObject&, | 146 ALWAYS_INLINE void updatePaintInvalidationContainer(const LayoutObject&, |
133 PaintInvalidatorContext&); | 147 PaintInvalidatorContext&); |
| 148 ALWAYS_INLINE void updateVisualRectIfNeeded(const LayoutObject&, |
| 149 PaintInvalidatorContext&); |
134 ALWAYS_INLINE void updateVisualRect(const LayoutObject&, | 150 ALWAYS_INLINE void updateVisualRect(const LayoutObject&, |
135 PaintInvalidatorContext&); | 151 PaintInvalidatorContext&); |
136 | 152 |
137 Vector<const LayoutObject*> m_pendingDelayedPaintInvalidations; | 153 Vector<const LayoutObject*> m_pendingDelayedPaintInvalidations; |
138 }; | 154 }; |
139 | 155 |
140 } // namespace blink | 156 } // namespace blink |
141 | 157 |
142 #endif // PaintInvalidator_h | 158 #endif // PaintInvalidator_h |
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