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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "GrTextureStripAtlas.h" | 9 #include "GrTextureStripAtlas.h" |
10 #include "SkPixelRef.h" | 10 #include "SkPixelRef.h" |
11 #include "SkTSearch.h" | 11 #include "SkTSearch.h" |
12 #include "GrTexture.h" | 12 #include "GrTexture.h" |
13 | 13 |
14 #ifdef SK_DEBUG | 14 #ifdef SK_DEBUG |
15 #define VALIDATE this->validate() | 15 #define VALIDATE this->validate() |
16 #else | 16 #else |
17 #define VALIDATE | 17 #define VALIDATE |
18 #endif | 18 #endif |
19 | 19 |
20 class GrTextureStripAtlas::Hash : public SkTDynamicHash<GrTextureStripAtlas::Atl
asEntry, | 20 class GrTextureStripAtlas::Hash : public SkTDynamicHash<GrTextureStripAtlas::Atl
asEntry, |
21 GrTextureStripAtlas::Atl
asEntry::Key> {}; | 21 GrTextureStripAtlas::Des
c> {}; |
22 | 22 |
23 int32_t GrTextureStripAtlas::gCacheCount = 0; | 23 int32_t GrTextureStripAtlas::gCacheCount = 0; |
24 | 24 |
25 GrTextureStripAtlas::Hash* GrTextureStripAtlas::gAtlasCache = NULL; | 25 GrTextureStripAtlas::Hash* GrTextureStripAtlas::gAtlasCache = NULL; |
26 | 26 |
27 GrTextureStripAtlas::Hash* GrTextureStripAtlas::GetCache() { | 27 GrTextureStripAtlas::Hash* GrTextureStripAtlas::GetCache() { |
28 | 28 |
29 if (NULL == gAtlasCache) { | 29 if (NULL == gAtlasCache) { |
30 gAtlasCache = SkNEW(Hash); | 30 gAtlasCache = SkNEW(Hash); |
31 } | 31 } |
32 | 32 |
33 return gAtlasCache; | 33 return gAtlasCache; |
34 } | 34 } |
35 | 35 |
36 // Remove the specified atlas from the cache | 36 // Remove the specified atlas from the cache |
37 void GrTextureStripAtlas::CleanUp(const GrContext*, void* info) { | 37 void GrTextureStripAtlas::CleanUp(const GrContext*, void* info) { |
38 SkASSERT(info); | 38 SkASSERT(info); |
39 | 39 |
40 AtlasEntry* entry = static_cast<AtlasEntry*>(info); | 40 AtlasEntry* entry = static_cast<AtlasEntry*>(info); |
41 | 41 |
42 // remove the cache entry | 42 // remove the cache entry |
43 GetCache()->remove(entry->fKey); | 43 GetCache()->remove(entry->fDesc); |
44 | 44 |
45 // remove the actual entry | 45 // remove the actual entry |
46 SkDELETE(entry); | 46 SkDELETE(entry); |
47 | 47 |
48 if (0 == GetCache()->count()) { | 48 if (0 == GetCache()->count()) { |
49 SkDELETE(gAtlasCache); | 49 SkDELETE(gAtlasCache); |
50 gAtlasCache = NULL; | 50 gAtlasCache = NULL; |
51 } | 51 } |
52 } | 52 } |
53 | 53 |
54 GrTextureStripAtlas* GrTextureStripAtlas::GetAtlas(const GrTextureStripAtlas::De
sc& desc) { | 54 GrTextureStripAtlas* GrTextureStripAtlas::GetAtlas(const GrTextureStripAtlas::De
sc& desc) { |
55 AtlasEntry::Key key; | 55 AtlasEntry* entry = GetCache()->find(desc); |
56 key.setKeyData(desc.asKey()); | |
57 AtlasEntry* entry = GetCache()->find(key); | |
58 if (NULL == entry) { | 56 if (NULL == entry) { |
59 entry = SkNEW(AtlasEntry); | 57 entry = SkNEW(AtlasEntry); |
60 | 58 |
61 entry->fAtlas = SkNEW_ARGS(GrTextureStripAtlas, (desc)); | 59 entry->fAtlas = SkNEW_ARGS(GrTextureStripAtlas, (desc)); |
62 entry->fKey = key; | 60 entry->fDesc = desc; |
63 | 61 |
64 desc.fContext->addCleanUp(CleanUp, entry); | 62 desc.fContext->addCleanUp(CleanUp, entry); |
65 | 63 |
66 GetCache()->add(entry); | 64 GetCache()->add(entry); |
67 } | 65 } |
68 | 66 |
69 return entry->fAtlas; | 67 return entry->fAtlas; |
70 } | 68 } |
71 | 69 |
72 GrTextureStripAtlas::GrTextureStripAtlas(GrTextureStripAtlas::Desc desc) | 70 GrTextureStripAtlas::GrTextureStripAtlas(GrTextureStripAtlas::Desc desc) |
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344 | 342 |
345 // If we have locked rows, we should have a locked texture, otherwise | 343 // If we have locked rows, we should have a locked texture, otherwise |
346 // it should be unlocked | 344 // it should be unlocked |
347 if (fLockedRows == 0) { | 345 if (fLockedRows == 0) { |
348 SkASSERT(NULL == fTexture); | 346 SkASSERT(NULL == fTexture); |
349 } else { | 347 } else { |
350 SkASSERT(fTexture); | 348 SkASSERT(fTexture); |
351 } | 349 } |
352 } | 350 } |
353 #endif | 351 #endif |
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