OLD | NEW |
---|---|
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 LayoutObjectDrawingRecorder_h | 5 #ifndef LayoutObjectDrawingRecorder_h |
6 #define LayoutObjectDrawingRecorder_h | 6 #define LayoutObjectDrawingRecorder_h |
7 | 7 |
8 #include "core/layout/LayoutObject.h" | 8 #include "core/layout/LayoutObject.h" |
9 #include "core/layout/line/InlineBox.h" | |
10 #include "core/paint/PaintPhase.h" | 9 #include "core/paint/PaintPhase.h" |
11 #include "platform/geometry/LayoutPoint.h" | 10 #include "platform/geometry/LayoutPoint.h" |
12 #include "platform/geometry/LayoutRect.h" | 11 #include "platform/geometry/LayoutRect.h" |
13 #include "platform/graphics/paint/DisplayItemCacheSkipper.h" | 12 #include "platform/graphics/paint/DisplayItemCacheSkipper.h" |
14 #include "platform/graphics/paint/DrawingRecorder.h" | 13 #include "platform/graphics/paint/DrawingRecorder.h" |
15 #include "wtf/Allocator.h" | 14 #include "wtf/Allocator.h" |
16 #include "wtf/Optional.h" | 15 #include "wtf/Optional.h" |
17 | 16 |
18 namespace blink { | 17 namespace blink { |
19 | 18 |
20 class GraphicsContext; | 19 class GraphicsContext; |
21 | 20 |
22 // Convenience wrapper of DrawingRecorder for LayoutObject painters. | 21 // Convenience wrapper of DrawingRecorder for LayoutObject painters. |
23 class LayoutObjectDrawingRecorder final { | 22 class LayoutObjectDrawingRecorder final { |
24 ALLOW_ONLY_INLINE_ALLOCATION(); | 23 ALLOW_ONLY_INLINE_ALLOCATION(); |
25 public: | 24 public: |
26 static bool useCachedDrawingIfPossible(GraphicsContext& context, const Layou tObject& layoutObject, DisplayItem::Type displayItemType, const LayoutPoint& pai ntOffset) | 25 static bool useCachedDrawingIfPossible(GraphicsContext& context, const Layou tObject& layoutObject, DisplayItem::Type displayItemType, const LayoutPoint& pai ntOffset) |
27 { | 26 { |
28 // TODO(pdr): The paint offset cache should be stored on LayoutObject bu t is temporarily on the DisplayItemList. | 27 if (RuntimeEnabledFeatures::slimmingPaintOffsetCachingEnabled() && !layo utObject.paintOffsetChanged(paintOffset)) |
29 if (RuntimeEnabledFeatures::slimmingPaintOffsetCachingEnabled() && !cont ext.displayItemList()->paintOffsetIsUnchanged(layoutObject.displayItemClient(), paintOffset)) | |
30 return false; | 28 return false; |
31 if (layoutObject.fullPaintInvalidationReason() == PaintInvalidationDelay edFull) | 29 if (layoutObject.fullPaintInvalidationReason() == PaintInvalidationDelay edFull) |
32 return false; | 30 return false; |
33 return DrawingRecorder::useCachedDrawingIfPossible(context, layoutObject , displayItemType); | 31 return DrawingRecorder::useCachedDrawingIfPossible(context, layoutObject , displayItemType); |
34 } | 32 } |
35 | 33 |
36 static bool useCachedDrawingIfPossible(GraphicsContext& context, const Layou tObject& layoutObject, PaintPhase phase, const LayoutPoint& paintOffset) | 34 static bool useCachedDrawingIfPossible(GraphicsContext& context, const Layou tObject& layoutObject, PaintPhase phase, const LayoutPoint& paintOffset) |
37 { | 35 { |
38 return useCachedDrawingIfPossible(context, layoutObject, DisplayItem::pa intPhaseToDrawingType(phase), paintOffset); | 36 return useCachedDrawingIfPossible(context, layoutObject, DisplayItem::pa intPhaseToDrawingType(phase), paintOffset); |
39 } | 37 } |
40 | 38 |
41 static bool useCachedDrawingIfPossible(GraphicsContext& context, const Inlin eBox& inlineBox, DisplayItem::Type displayItemType, const LayoutPoint& paintOffs et) | |
42 { | |
43 // TODO(pdr): The paint offset cache should be stored on LayoutObject bu t is temporarily on the DisplayItemList. | |
44 if (RuntimeEnabledFeatures::slimmingPaintOffsetCachingEnabled() && !cont ext.displayItemList()->paintOffsetIsUnchanged(inlineBox.displayItemClient(), pai ntOffset)) | |
45 return false; | |
46 return DrawingRecorder::useCachedDrawingIfPossible(context, inlineBox, d isplayItemType); | |
47 } | |
48 | |
49 static bool useCachedDrawingIfPossible(GraphicsContext& context, const Inlin eBox& inlineBox, PaintPhase phase, const LayoutPoint& paintOffset) | |
50 { | |
51 return useCachedDrawingIfPossible(context, inlineBox, DisplayItem::paint PhaseToDrawingType(phase), paintOffset); | |
52 } | |
53 | |
54 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, DisplayItem::Type displayItemType, const FloatRect& clip, const Layo utPoint& paintOffset) | 39 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, DisplayItem::Type displayItemType, const FloatRect& clip, const Layo utPoint& paintOffset) |
55 { | 40 { |
56 updatePaintOffsetIfNeeded(context.displayItemList(), layoutObject, paint Offset); | 41 updatePaintOffsetIfNeeded(context.displayItemList(), layoutObject, paint Offset); |
57 // We may paint a delayed-invalidation object before it's actually inval idated. | 42 // We may paint a delayed-invalidation object before it's actually inval idated. |
58 if (layoutObject.fullPaintInvalidationReason() == PaintInvalidationDelay edFull) | 43 if (layoutObject.fullPaintInvalidationReason() == PaintInvalidationDelay edFull) |
59 m_cacheSkipper.emplace(context); | 44 m_cacheSkipper.emplace(context); |
60 m_drawingRecorder.emplace(context, layoutObject, displayItemType, clip); | 45 m_drawingRecorder.emplace(context, layoutObject, displayItemType, clip); |
61 } | 46 } |
62 | 47 |
63 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, DisplayItem::Type displayItemType, const LayoutRect& clip, const Lay outPoint& paintOffset) | 48 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, DisplayItem::Type displayItemType, const LayoutRect& clip, const Lay outPoint& paintOffset) |
64 : LayoutObjectDrawingRecorder(context, layoutObject, displayItemType, Fl oatRect(clip), paintOffset) { } | 49 : LayoutObjectDrawingRecorder(context, layoutObject, displayItemType, Fl oatRect(clip), paintOffset) { } |
65 | 50 |
66 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, PaintPhase phase, const FloatRect& clip, const LayoutPoint& paintOff set) | 51 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, PaintPhase phase, const FloatRect& clip, const LayoutPoint& paintOff set) |
67 : LayoutObjectDrawingRecorder(context, layoutObject, DisplayItem::paintP haseToDrawingType(phase), clip, paintOffset) { } | 52 : LayoutObjectDrawingRecorder(context, layoutObject, DisplayItem::paintP haseToDrawingType(phase), clip, paintOffset) { } |
68 | 53 |
69 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, PaintPhase phase, const LayoutRect& clip, const LayoutPoint& paintOf fset) | 54 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, PaintPhase phase, const LayoutRect& clip, const LayoutPoint& paintOf fset) |
70 : LayoutObjectDrawingRecorder(context, layoutObject, DisplayItem::paintP haseToDrawingType(phase), FloatRect(clip), paintOffset) { } | 55 : LayoutObjectDrawingRecorder(context, layoutObject, DisplayItem::paintP haseToDrawingType(phase), FloatRect(clip), paintOffset) { } |
71 | 56 |
72 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, PaintPhase phase, const IntRect& clip, const LayoutPoint& paintOffse t) | 57 LayoutObjectDrawingRecorder(GraphicsContext& context, const LayoutObject& la youtObject, PaintPhase phase, const IntRect& clip, const LayoutPoint& paintOffse t) |
73 : LayoutObjectDrawingRecorder(context, layoutObject, DisplayItem::paintP haseToDrawingType(phase), FloatRect(clip), paintOffset) { } | 58 : LayoutObjectDrawingRecorder(context, layoutObject, DisplayItem::paintP haseToDrawingType(phase), FloatRect(clip), paintOffset) { } |
74 | 59 |
75 LayoutObjectDrawingRecorder(GraphicsContext& context, const InlineBox& inlin eBox, DisplayItem::Type displayItemType, const FloatRect& clip, const LayoutPoin t& paintOffset) | |
76 { | |
77 updatePaintOffsetIfNeeded(context.displayItemList(), inlineBox, paintOff set); | |
78 m_drawingRecorder.emplace(context, inlineBox, displayItemType, clip); | |
79 } | |
80 | |
81 LayoutObjectDrawingRecorder(GraphicsContext& context, const InlineBox& inlin eBox, DisplayItem::Type displayItemType, const LayoutRect& clip, const LayoutPoi nt& paintOffset) | |
82 : LayoutObjectDrawingRecorder(context, inlineBox, displayItemType, Float Rect(clip), paintOffset) { } | |
83 | |
84 LayoutObjectDrawingRecorder(GraphicsContext& context, const InlineBox& inlin eBox, PaintPhase phase, const LayoutRect& clip, const LayoutPoint& paintOffset) | |
85 : LayoutObjectDrawingRecorder(context, inlineBox, DisplayItem::paintPhas eToDrawingType(phase), FloatRect(clip), paintOffset) { } | |
86 | |
87 LayoutObjectDrawingRecorder(GraphicsContext& context, const InlineBox& inlin eBox, PaintPhase phase, const IntRect& clip, const LayoutPoint& paintOffset) | |
88 : LayoutObjectDrawingRecorder(context, inlineBox, DisplayItem::paintPhas eToDrawingType(phase), FloatRect(clip), paintOffset) { } | |
89 | |
90 #if ENABLE(ASSERT) | 60 #if ENABLE(ASSERT) |
91 void setUnderInvalidationCheckingMode(DrawingDisplayItem::UnderInvalidationC heckingMode mode) { m_drawingRecorder->setUnderInvalidationCheckingMode(mode); } | 61 void setUnderInvalidationCheckingMode(DrawingDisplayItem::UnderInvalidationC heckingMode mode) { m_drawingRecorder->setUnderInvalidationCheckingMode(mode); } |
92 #endif | 62 #endif |
93 | 63 |
94 private: | 64 private: |
95 static void updatePaintOffsetIfNeeded(DisplayItemList* displayItemList, cons t DisplayItemClientWrapper& client, const LayoutPoint& paintOffset) | 65 static void updatePaintOffsetIfNeeded(DisplayItemList* displayItemList, cons t LayoutObject& layoutObject, const LayoutPoint& paintOffset) |
pdr.
2015/09/23 19:55:47
WDYT about changing this LayoutObject to be non-co
Xianzhu
2015/09/23 21:39:44
I think making LayoutObject const for painters can
| |
96 { | 66 { |
97 if (!RuntimeEnabledFeatures::slimmingPaintOffsetCachingEnabled()) | 67 if (!RuntimeEnabledFeatures::slimmingPaintOffsetCachingEnabled()) |
98 return; | 68 return; |
99 | 69 |
100 // TODO(pdr): The paint offset cache should be stored on LayoutObject bu t is temporarily on the DisplayItemList. | 70 if (layoutObject.paintOffsetChanged(paintOffset)) |
101 if (!displayItemList->paintOffsetIsUnchanged(client.displayItemClient(), paintOffset)) { | 71 displayItemList->invalidatePaintOffset(layoutObject); |
102 displayItemList->recordPaintOffset(client.displayItemClient(), paint Offset); | 72 else |
103 displayItemList->invalidatePaintOffset(client); | 73 ASSERT(!displayItemList->paintOffsetWasInvalidated(layoutObject.disp layItemClient()) || !displayItemList->clientCacheIsValid(layoutObject.displayIte mClient())); |
104 } else { | 74 |
105 ASSERT(!displayItemList->paintOffsetWasInvalidated(client.displayIte mClient()) || !displayItemList->clientCacheIsValid(client.displayItemClient())); | 75 layoutObject.setPreviousPaintOffset(paintOffset); |
106 } | |
107 } | 76 } |
108 | 77 |
109 Optional<DisplayItemCacheSkipper> m_cacheSkipper; | 78 Optional<DisplayItemCacheSkipper> m_cacheSkipper; |
110 Optional<DrawingRecorder> m_drawingRecorder; | 79 Optional<DrawingRecorder> m_drawingRecorder; |
111 }; | 80 }; |
112 | 81 |
113 } // namespace blink | 82 } // namespace blink |
114 | 83 |
115 #endif // LayoutObjectDrawingRecorder_h | 84 #endif // LayoutObjectDrawingRecorder_h |
OLD | NEW |