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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 #include "GrAtlas.h" | 8 #include "GrAtlas.h" |
9 #include "GrGpu.h" | 9 #include "GrGpu.h" |
10 #include "GrLayerCache.h" | 10 #include "GrLayerCache.h" |
11 | 11 |
12 /** | 12 /** |
13 * PictureLayerKey just wraps a saveLayer's id in the picture for GrTHashTable. | 13 * PictureLayerKey just wraps a saveLayer's id in the picture for GrTHashTable. |
14 */ | 14 */ |
15 class GrLayerCache::PictureLayerKey { | 15 class GrLayerCache::PictureLayerKey { |
16 public: | 16 public: |
17 PictureLayerKey(uint32_t pictureID, int layerID) | 17 PictureLayerKey(uint32_t pictureID, int layerID) |
18 : fPictureID(pictureID) | 18 : fPictureID(pictureID) |
19 , fLayerID(layerID) { | 19 , fLayerID(layerID) { |
20 } | 20 } |
21 | 21 |
22 uint32_t pictureID() const { return fPictureID; } | 22 uint32_t pictureID() const { return fPictureID; } |
23 int layerID() const { return fLayerID; } | 23 int layerID() const { return fLayerID; } |
24 | 24 |
25 uint32_t getHash() const { return (fPictureID << 16) | fLayerID; } | 25 uint32_t getHash() const { return (fPictureID << 16) | fLayerID; } |
26 | 26 |
27 static bool LessThan(const GrAtlasedLayer& layer, const PictureLayerKey& key
) { | 27 static bool LessThan(const GrCachedLayer& layer, const PictureLayerKey& key)
{ |
28 if (layer.pictureID() == key.pictureID()) { | 28 if (layer.pictureID() == key.pictureID()) { |
29 return layer.layerID() < key.layerID(); | 29 return layer.layerID() < key.layerID(); |
30 } | 30 } |
31 | 31 |
32 return layer.pictureID() < key.pictureID(); | 32 return layer.pictureID() < key.pictureID(); |
33 } | 33 } |
34 | 34 |
35 static bool Equals(const GrAtlasedLayer& layer, const PictureLayerKey& key)
{ | 35 static bool Equals(const GrCachedLayer& layer, const PictureLayerKey& key) { |
36 return layer.pictureID() == key.pictureID() && layer.layerID() == key.la
yerID(); | 36 return layer.pictureID() == key.pictureID() && layer.layerID() == key.la
yerID(); |
37 } | 37 } |
38 | 38 |
39 private: | 39 private: |
40 uint32_t fPictureID; | 40 uint32_t fPictureID; |
41 int fLayerID; | 41 int fLayerID; |
42 }; | 42 }; |
43 | 43 |
44 GrLayerCache::GrLayerCache(GrGpu* gpu) | 44 GrLayerCache::GrLayerCache(GrGpu* gpu) |
45 : fGpu(SkRef(gpu)) | 45 : fGpu(SkRef(gpu)) |
(...skipping 13 matching lines...) Expand all Loading... |
59 SkISize textureSize = SkISize::Make(kAtlasTextureWidth, kAtlasTextureHeight)
; | 59 SkISize textureSize = SkISize::Make(kAtlasTextureWidth, kAtlasTextureHeight)
; |
60 fAtlasMgr.reset(SkNEW_ARGS(GrAtlasMgr, (fGpu, kSkia8888_GrPixelConfig, | 60 fAtlasMgr.reset(SkNEW_ARGS(GrAtlasMgr, (fGpu, kSkia8888_GrPixelConfig, |
61 textureSize, 1, 1))); | 61 textureSize, 1, 1))); |
62 } | 62 } |
63 | 63 |
64 void GrLayerCache::freeAll() { | 64 void GrLayerCache::freeAll() { |
65 fLayerHash.deleteAll(); | 65 fLayerHash.deleteAll(); |
66 fAtlasMgr.free(); | 66 fAtlasMgr.free(); |
67 } | 67 } |
68 | 68 |
69 GrAtlasedLayer* GrLayerCache::createLayer(SkPicture* picture, int layerID) { | 69 GrCachedLayer* GrLayerCache::createLayer(SkPicture* picture, int layerID) { |
70 GrAtlasedLayer* layer = fLayerPool.alloc(); | 70 GrCachedLayer* layer = fLayerPool.alloc(); |
71 | 71 |
72 SkASSERT(picture->uniqueID() != SK_InvalidGenID); | 72 SkASSERT(picture->uniqueID() != SK_InvalidGenID); |
73 layer->init(picture->uniqueID(), layerID); | 73 layer->init(picture->uniqueID(), layerID); |
74 fLayerHash.insert(PictureLayerKey(picture->uniqueID(), layerID), layer); | 74 fLayerHash.insert(PictureLayerKey(picture->uniqueID(), layerID), layer); |
75 return layer; | 75 return layer; |
76 } | 76 } |
77 | 77 |
78 | 78 |
79 const GrAtlasedLayer* GrLayerCache::findLayerOrCreate(SkPicture* picture, int la
yerID) { | 79 GrCachedLayer* GrLayerCache::findLayerOrCreate(SkPicture* picture, int layerID)
{ |
80 SkASSERT(picture->uniqueID() != SK_InvalidGenID); | 80 SkASSERT(picture->uniqueID() != SK_InvalidGenID); |
81 GrAtlasedLayer* layer = fLayerHash.find(PictureLayerKey(picture->uniqueID(),
layerID)); | 81 GrCachedLayer* layer = fLayerHash.find(PictureLayerKey(picture->uniqueID(),
layerID)); |
82 if (NULL == layer) { | 82 if (NULL == layer) { |
83 layer = this->createLayer(picture, layerID); | 83 layer = this->createLayer(picture, layerID); |
84 } | 84 } |
85 return layer; | 85 return layer; |
86 } | 86 } |
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