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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 GrTextureStripAtlas_DEFINED | 8 #ifndef GrTextureStripAtlas_DEFINED |
9 #define GrTextureStripAtlas_DEFINED | 9 #define GrTextureStripAtlas_DEFINED |
10 | 10 |
11 #include "GrBinHashKey.h" | 11 #include "GrBinHashKey.h" |
12 #include "GrTHashCache.h" | 12 #include "GrTHashTable.h" |
13 #include "SkBitmap.h" | 13 #include "SkBitmap.h" |
14 #include "SkGr.h" | 14 #include "SkGr.h" |
15 #include "SkTDArray.h" | 15 #include "SkTDArray.h" |
16 #include "SkTypes.h" | 16 #include "SkTypes.h" |
17 | 17 |
18 /** | 18 /** |
19 * Maintains a single large texture whose rows store many textures of a small fi
xed height, | 19 * Maintains a single large texture whose rows store many textures of a small fi
xed height, |
20 * stored in rows across the x-axis such that we can safely wrap/repeat them hor
izontally. | 20 * stored in rows across the x-axis such that we can safely wrap/repeat them hor
izontally. |
21 */ | 21 */ |
22 class GrTextureStripAtlas { | 22 class GrTextureStripAtlas { |
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172 // Head and tail for linked list of least-recently-used rows (front = least
recently used). | 172 // Head and tail for linked list of least-recently-used rows (front = least
recently used). |
173 // Note that when a texture is locked, it gets removed from this list until
it is unlocked. | 173 // Note that when a texture is locked, it gets removed from this list until
it is unlocked. |
174 AtlasRow* fLRUFront; | 174 AtlasRow* fLRUFront; |
175 AtlasRow* fLRUBack; | 175 AtlasRow* fLRUBack; |
176 | 176 |
177 // A list of pointers to AtlasRows that currently contain cached images, sor
ted by key | 177 // A list of pointers to AtlasRows that currently contain cached images, sor
ted by key |
178 SkTDArray<AtlasRow*> fKeyTable; | 178 SkTDArray<AtlasRow*> fKeyTable; |
179 }; | 179 }; |
180 | 180 |
181 #endif | 181 #endif |
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