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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * 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 |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrBatchAtlas_DEFINED | 8 #ifndef GrBatchAtlas_DEFINED |
9 #define GrBatchAtlas_DEFINED | 9 #define GrBatchAtlas_DEFINED |
10 | 10 |
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59 data->fData = userData; | 59 data->fData = userData; |
60 } | 60 } |
61 | 61 |
62 /* | 62 /* |
63 * A class which can be handed back to GrBatchAtlas for updating in bulk las
t use tokens. The | 63 * A class which can be handed back to GrBatchAtlas for updating in bulk las
t use tokens. The |
64 * current max number of plots the GrBatchAtlas can handle is 32, if in the
future this is | 64 * current max number of plots the GrBatchAtlas can handle is 32, if in the
future this is |
65 * insufficient then we can move to a 64 bit int | 65 * insufficient then we can move to a 64 bit int |
66 */ | 66 */ |
67 class BulkUseTokenUpdater { | 67 class BulkUseTokenUpdater { |
68 public: | 68 public: |
69 BulkUseTokenUpdater() : fPlotAlreadyUpdated(0), fCount(0), fAllocated(kM
inItems) {} | 69 BulkUseTokenUpdater() : fPlotAlreadyUpdated(0) {} |
70 void add(AtlasID id) { | 70 void add(AtlasID id) { |
71 int index = GrBatchAtlas::GetIndexFromID(id); | 71 int index = GrBatchAtlas::GetIndexFromID(id); |
72 if (!this->find(index)) { | 72 if (!this->find(index)) { |
73 this->set(index); | 73 this->set(index); |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 void reset() { | 77 void reset() { |
78 fPlotsToUpdate.reset(kMinItems); | 78 fPlotsToUpdate.reset(); |
79 fAllocated = kMinItems; | |
80 fCount = 0; | |
81 fPlotAlreadyUpdated = 0; | 79 fPlotAlreadyUpdated = 0; |
82 } | 80 } |
83 | 81 |
84 private: | 82 private: |
85 bool find(int index) const { | 83 bool find(int index) const { |
86 SkASSERT(index < kMaxPlots); | 84 SkASSERT(index < kMaxPlots); |
87 return (fPlotAlreadyUpdated >> index) & 1; | 85 return (fPlotAlreadyUpdated >> index) & 1; |
88 } | 86 } |
89 | 87 |
90 void set(int index) { | 88 void set(int index) { |
91 SkASSERT(!this->find(index)); | 89 SkASSERT(!this->find(index)); |
92 fPlotAlreadyUpdated = fPlotAlreadyUpdated | (1 << index); | 90 fPlotAlreadyUpdated = fPlotAlreadyUpdated | (1 << index); |
93 fPlotsToUpdate.push_back(index); | 91 fPlotsToUpdate.push_back(index); |
94 } | 92 } |
95 | 93 |
96 static const int kMinItems = 4; | 94 static const int kMinItems = 4; |
97 static const int kMaxPlots = 32; | 95 static const int kMaxPlots = 32; |
98 SkSTArray<kMinItems, int, true> fPlotsToUpdate; | 96 SkSTArray<kMinItems, int, true> fPlotsToUpdate; |
99 uint32_t fPlotAlreadyUpdated; | 97 uint32_t fPlotAlreadyUpdated; |
100 int fCount; | |
101 int fAllocated; | |
102 | 98 |
103 friend class GrBatchAtlas; | 99 friend class GrBatchAtlas; |
104 }; | 100 }; |
105 | 101 |
106 void setLastUseTokenBulk(const BulkUseTokenUpdater& reffer, BatchToken); | 102 void setLastUseTokenBulk(const BulkUseTokenUpdater& reffer, BatchToken); |
107 | 103 |
108 static const int kGlyphMaxDim = 256; | 104 static const int kGlyphMaxDim = 256; |
109 static bool GlyphTooLargeForAtlas(int width, int height) { | 105 static bool GlyphTooLargeForAtlas(int width, int height) { |
110 return width > kGlyphMaxDim || height > kGlyphMaxDim; | 106 return width > kGlyphMaxDim || height > kGlyphMaxDim; |
111 } | 107 } |
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139 }; | 135 }; |
140 | 136 |
141 SkTDArray<EvictionData> fEvictionCallbacks; | 137 SkTDArray<EvictionData> fEvictionCallbacks; |
142 // allocated array of GrBatchPlots | 138 // allocated array of GrBatchPlots |
143 SkAutoTUnref<BatchPlot>* fPlotArray; | 139 SkAutoTUnref<BatchPlot>* fPlotArray; |
144 // LRU list of GrPlots (MRU at head - LRU at tail) | 140 // LRU list of GrPlots (MRU at head - LRU at tail) |
145 GrBatchPlotList fPlotList; | 141 GrBatchPlotList fPlotList; |
146 }; | 142 }; |
147 | 143 |
148 #endif | 144 #endif |
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