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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 |
11 #include "GrTexture.h" | 11 #include "GrTexture.h" |
12 #include "batches/GrDrawBatch.h" | 12 #include "batches/GrDrawBatch.h" |
13 #include "SkPoint.h" | 13 #include "SkPoint.h" |
14 #include "SkTDArray.h" | 14 #include "SkTDArray.h" |
15 #include "SkTInternalLList.h" | 15 #include "SkTInternalLList.h" |
16 | 16 |
17 class BatchPlot; | 17 class BatchPlot; |
18 class GrRectanizer; | 18 class GrRectanizer; |
19 | 19 |
20 typedef SkTInternalLList<BatchPlot> GrBatchPlotList; | 20 typedef SkTInternalLList<BatchPlot> GrBatchPlotList; |
21 | 21 |
| 22 struct GrBatchAtlasConfig { |
| 23 int numPlotsX() const { return fWidth / fPlotWidth; } |
| 24 int numPlotsY() const { return fHeight / fPlotWidth; } |
| 25 int fWidth; |
| 26 int fHeight; |
| 27 int fPlotWidth; |
| 28 int fPlotHeight; |
| 29 }; |
| 30 |
22 class GrBatchAtlas { | 31 class GrBatchAtlas { |
23 public: | 32 public: |
24 // An AtlasID is an opaque handle which callers can use to determine if the
atlas contains | 33 // An AtlasID is an opaque handle which callers can use to determine if the
atlas contains |
25 // a specific piece of data | 34 // a specific piece of data |
26 typedef uint64_t AtlasID; | 35 typedef uint64_t AtlasID; |
27 static const uint32_t kInvalidAtlasID = 0; | 36 static const uint32_t kInvalidAtlasID = 0; |
28 static const uint64_t kInvalidAtlasGeneration = 0; | 37 static const uint64_t kInvalidAtlasGeneration = 0; |
29 | 38 |
30 // A function pointer for use as a callback during eviction. Whenever GrBat
chAtlas evicts a | 39 // A function pointer for use as a callback during eviction. Whenever GrBat
chAtlas evicts a |
31 // specific AtlasID, it will call all of the registered listeners so they ca
n optionally process | 40 // specific AtlasID, it will call all of the registered listeners so they ca
n optionally process |
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140 }; | 149 }; |
141 | 150 |
142 SkTDArray<EvictionData> fEvictionCallbacks; | 151 SkTDArray<EvictionData> fEvictionCallbacks; |
143 // allocated array of GrBatchPlots | 152 // allocated array of GrBatchPlots |
144 SkAutoTUnref<BatchPlot>* fPlotArray; | 153 SkAutoTUnref<BatchPlot>* fPlotArray; |
145 // LRU list of GrPlots (MRU at head - LRU at tail) | 154 // LRU list of GrPlots (MRU at head - LRU at tail) |
146 GrBatchPlotList fPlotList; | 155 GrBatchPlotList fPlotList; |
147 }; | 156 }; |
148 | 157 |
149 #endif | 158 #endif |
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