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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 GrLayerCache_DEFINED | 8 #ifndef GrLayerCache_DEFINED |
9 #define GrLayerCache_DEFINED | 9 #define GrLayerCache_DEFINED |
10 | 10 |
11 #include "GrAtlas.h" | 11 #include "GrAtlas.h" |
12 #include "GrPictureUtils.h" | |
13 #include "GrRect.h" | 12 #include "GrRect.h" |
14 | 13 |
15 #include "SkChecksum.h" | 14 #include "SkChecksum.h" |
16 #include "SkMessageBus.h" | 15 #include "SkMessageBus.h" |
| 16 #include "SkPicture.h" |
17 #include "SkTDynamicHash.h" | 17 #include "SkTDynamicHash.h" |
18 | 18 |
19 class SkPicture; | |
20 | |
21 // Set to 0 to disable caching of hoisted layers | 19 // Set to 0 to disable caching of hoisted layers |
22 #define GR_CACHE_HOISTED_LAYERS 0 | 20 #define GR_CACHE_HOISTED_LAYERS 0 |
23 | 21 |
24 // The layer cache listens for these messages to purge picture-related resources
. | 22 // The layer cache listens for these messages to purge picture-related resources
. |
25 struct GrPictureDeletedMessage { | 23 struct GrPictureDeletedMessage { |
26 uint32_t pictureID; | 24 uint32_t pictureID; |
27 }; | 25 }; |
28 | 26 |
29 // GrPictureInfo stores the atlas plots used by a single picture. A single | 27 // GrPictureInfo stores the atlas plots used by a single picture. A single |
30 // plot may be used to store layers from multiple pictures. | 28 // plot may be used to store layers from multiple pictures. |
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340 SkASSERT(fPlotLocks[plotIdx] > 0); | 338 SkASSERT(fPlotLocks[plotIdx] > 0); |
341 --fPlotLocks[plotIdx]; | 339 --fPlotLocks[plotIdx]; |
342 } | 340 } |
343 | 341 |
344 // for testing | 342 // for testing |
345 friend class TestingAccess; | 343 friend class TestingAccess; |
346 int numLayers() const { return fLayerHash.count(); } | 344 int numLayers() const { return fLayerHash.count(); } |
347 }; | 345 }; |
348 | 346 |
349 #endif | 347 #endif |
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