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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 CCLayerSorter_h | 5 #ifndef CCLayerSorter_h |
6 #define CCLayerSorter_h | 6 #define CCLayerSorter_h |
7 | 7 |
8 #include "FloatPoint3D.h" | 8 #include "FloatPoint3D.h" |
9 #include "FloatQuad.h" | 9 #include "FloatQuad.h" |
10 #include "FloatRect.h" | 10 #include "FloatRect.h" |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/hash_tables.h" | 12 #include "base/hash_tables.h" |
| 13 #include "cc/cc_export.h" |
13 #include "cc/layer_impl.h" | 14 #include "cc/layer_impl.h" |
14 | 15 |
15 #if defined(COMPILER_GCC) | 16 #if defined(COMPILER_GCC) |
16 namespace cc | 17 namespace cc |
17 { | 18 { |
18 struct GraphEdge; | 19 struct GraphEdge; |
19 }; | 20 }; |
20 | 21 |
21 namespace BASE_HASH_NAMESPACE { | 22 namespace BASE_HASH_NAMESPACE { |
22 template<> | 23 template<> |
23 struct hash<cc::GraphEdge*> { | 24 struct hash<cc::GraphEdge*> { |
24 size_t operator()(cc::GraphEdge* ptr) const { | 25 size_t operator()(cc::GraphEdge* ptr) const { |
25 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); | 26 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); |
26 } | 27 } |
27 }; | 28 }; |
28 } // namespace BASE_HASH_NAMESPACE | 29 } // namespace BASE_HASH_NAMESPACE |
29 #endif // COMPILER | 30 #endif // COMPILER |
30 | 31 |
31 namespace WebKit { | 32 namespace WebKit { |
32 class WebTransformationMatrix; | 33 class WebTransformationMatrix; |
33 } | 34 } |
34 | 35 |
35 namespace cc { | 36 namespace cc { |
36 | 37 |
37 struct GraphEdge; | 38 struct GraphEdge; |
38 | 39 |
39 // Holds various useful properties derived from a layer's 3D outline. | 40 // Holds various useful properties derived from a layer's 3D outline. |
40 struct LayerShape { | 41 struct CC_EXPORT LayerShape { |
41 LayerShape(); | 42 LayerShape(); |
42 LayerShape(float width, float height, const WebKit::WebTransformationMatrix&
drawTransform); | 43 LayerShape(float width, float height, const WebKit::WebTransformationMatrix&
drawTransform); |
43 | 44 |
44 float layerZFromProjectedPoint(const FloatPoint&) const; | 45 float layerZFromProjectedPoint(const FloatPoint&) const; |
45 | 46 |
46 FloatPoint3D layerNormal; | 47 FloatPoint3D layerNormal; |
47 FloatPoint3D transformOrigin; | 48 FloatPoint3D transformOrigin; |
48 FloatQuad projectedQuad; | 49 FloatQuad projectedQuad; |
49 FloatRect projectedBounds; | 50 FloatRect projectedBounds; |
50 }; | 51 }; |
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68 { | 69 { |
69 } | 70 } |
70 | 71 |
71 GraphNode* from; | 72 GraphNode* from; |
72 GraphNode* to; | 73 GraphNode* to; |
73 float weight; | 74 float weight; |
74 }; | 75 }; |
75 | 76 |
76 | 77 |
77 | 78 |
78 class LayerSorter { | 79 class CC_EXPORT LayerSorter { |
79 public: | 80 public: |
80 LayerSorter(); | 81 LayerSorter(); |
81 ~LayerSorter(); | 82 ~LayerSorter(); |
82 | 83 |
83 typedef std::vector<LayerImpl*> LayerList; | 84 typedef std::vector<LayerImpl*> LayerList; |
84 | 85 |
85 void sort(LayerList::iterator first, LayerList::iterator last); | 86 void sort(LayerList::iterator first, LayerList::iterator last); |
86 | 87 |
87 enum ABCompareResult { | 88 enum ABCompareResult { |
88 ABeforeB, | 89 ABeforeB, |
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104 | 105 |
105 void createGraphNodes(LayerList::iterator first, LayerList::iterator last); | 106 void createGraphNodes(LayerList::iterator first, LayerList::iterator last); |
106 void createGraphEdges(); | 107 void createGraphEdges(); |
107 void removeEdgeFromList(GraphEdge*, std::vector<GraphEdge*>&); | 108 void removeEdgeFromList(GraphEdge*, std::vector<GraphEdge*>&); |
108 | 109 |
109 DISALLOW_COPY_AND_ASSIGN(LayerSorter); | 110 DISALLOW_COPY_AND_ASSIGN(LayerSorter); |
110 }; | 111 }; |
111 | 112 |
112 } | 113 } |
113 #endif | 114 #endif |
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