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1 | |
2 /* | 1 /* |
3 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
4 * | 3 * |
5 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 5 * found in the LICENSE file. |
7 */ | 6 */ |
8 | 7 |
9 #ifndef GrAADistanceFieldPathRenderer_DEFINED | 8 #ifndef GrAADistanceFieldPathRenderer_DEFINED |
10 #define GrAADistanceFieldPathRenderer_DEFINED | 9 #define GrAADistanceFieldPathRenderer_DEFINED |
11 | 10 |
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30 | 29 |
31 bool onCanDrawPath(const CanDrawPathArgs&) const override; | 30 bool onCanDrawPath(const CanDrawPathArgs&) const override; |
32 | 31 |
33 bool onDrawPath(const DrawPathArgs&) override; | 32 bool onDrawPath(const DrawPathArgs&) override; |
34 | 33 |
35 struct PathData { | 34 struct PathData { |
36 class Key { | 35 class Key { |
37 public: | 36 public: |
38 // default ctor needed for new of uninitialized PathData | 37 // default ctor needed for new of uninitialized PathData |
39 // since fStroke has no default ctor | 38 // since fStroke has no default ctor |
40 Key() | 39 Key() |
41 : fGenID(0) | 40 : fGenID(0) |
42 , fDimension(0) | 41 , fDimension(0) |
43 , fStroke(SkStrokeRec::kFill_InitStyle) {} | 42 , fStroke(SkStrokeRec::kFill_InitStyle) {} |
44 Key(uint32_t genID, uint32_t dim, const SkStrokeRec& stroke) | 43 Key(uint32_t genID, uint32_t dim, const SkStrokeRec& stroke) |
45 : fGenID(genID) | 44 : fGenID(genID) |
46 , fDimension(dim) | 45 , fDimension(dim) |
47 , fStroke(stroke) {} | 46 , fStroke(stroke) {} |
48 | 47 |
49 bool operator==(const Key& other) const { | 48 bool operator==(const Key& other) const { |
50 return other.fGenID == fGenID && other.fDimension == fDimension
&& | 49 return other.fGenID == fGenID && other.fDimension == fDimension
&& |
51 fStroke.hasEqualEffect(other.fStroke); | 50 fStroke.hasEqualEffect(other.fStroke); |
52 } | 51 } |
53 | 52 |
54 private: | 53 private: |
55 uint32_t fGenID; | 54 uint32_t fGenID; |
56 // rendered size for stored path (32x32 max, 64x64 max, 128x128 max) | 55 // rendered size for stored path (32x32 max, 64x64 max, 128x128 max) |
57 uint32_t fDimension; | 56 uint32_t fDimension; |
58 // stroking information | 57 // stroking information |
59 SkStrokeRec fStroke; | 58 SkStrokeRec fStroke; |
60 }; | 59 }; |
61 Key fKey; | 60 Key fKey; |
62 SkScalar fScale; | 61 SkScalar fScale; |
63 GrBatchAtlas::AtlasID fID; | 62 GrBatchAtlas::AtlasID fID; |
64 SkRect fBounds; | 63 SkRect fBounds; |
65 SkIPoint16 fAtlasLocation; | 64 SkIPoint16 fAtlasLocation; |
66 SK_DECLARE_INTERNAL_LLIST_INTERFACE(PathData); | 65 SK_DECLARE_INTERNAL_LLIST_INTERFACE(PathData); |
67 | 66 |
68 static inline const Key& GetKey(const PathData& data) { | 67 static inline const Key& GetKey(const PathData& data) { |
69 return data.fKey; | 68 return data.fKey; |
70 } | 69 } |
71 | 70 |
72 static inline uint32_t Hash(Key key) { | 71 static inline uint32_t Hash(Key key) { |
73 return SkChecksum::Murmur3(reinterpret_cast<const uint32_t*>(&key),
sizeof(key)); | 72 return SkChecksum::Murmur3(reinterpret_cast<const uint32_t*>(&key),
sizeof(key)); |
74 } | 73 } |
75 }; | 74 }; |
76 | 75 |
77 static void HandleEviction(GrBatchAtlas::AtlasID, void*); | 76 static void HandleEviction(GrBatchAtlas::AtlasID, void*); |
78 | 77 |
79 typedef SkTDynamicHash<PathData, PathData::Key> PathCache; | 78 typedef SkTDynamicHash<PathData, PathData::Key> PathCache; |
80 typedef SkTInternalLList<PathData> PathDataList; | 79 typedef SkTInternalLList<PathData> PathDataList; |
81 | 80 |
82 GrBatchAtlas* fAtlas; | 81 GrBatchAtlas* fAtlas; |
83 PathCache fPathCache; | 82 PathCache fPathCache; |
84 PathDataList fPathList; | 83 PathDataList fPathList; |
85 | 84 |
86 typedef GrPathRenderer INHERITED; | 85 typedef GrPathRenderer INHERITED; |
87 | 86 |
88 friend class AADistanceFieldPathBatch; | 87 friend class AADistanceFieldPathBatch; |
89 friend struct PathTestStruct; | 88 friend struct PathTestStruct; |
90 }; | 89 }; |
91 | 90 |
92 #endif | 91 #endif |
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