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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 "SkCachedData.h" | 8 #include "SkCachedData.h" |
9 #include "SkDiscardableMemory.h" | 9 #include "SkDiscardableMemory.h" |
10 | 10 |
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50 fStorage.fDM = dm; | 50 fStorage.fDM = dm; |
51 inc(); | 51 inc(); |
52 } | 52 } |
53 | 53 |
54 SkCachedData::~SkCachedData() { | 54 SkCachedData::~SkCachedData() { |
55 switch (fStorageType) { | 55 switch (fStorageType) { |
56 case kMalloc_StorageType: | 56 case kMalloc_StorageType: |
57 sk_free(fStorage.fMalloc); | 57 sk_free(fStorage.fMalloc); |
58 break; | 58 break; |
59 case kDiscardableMemory_StorageType: | 59 case kDiscardableMemory_StorageType: |
60 SkDELETE(fStorage.fDM); | 60 delete fStorage.fDM; |
61 break; | 61 break; |
62 } | 62 } |
63 dec(); | 63 dec(); |
64 } | 64 } |
65 | 65 |
66 class SkCachedData::AutoMutexWritable { | 66 class SkCachedData::AutoMutexWritable { |
67 public: | 67 public: |
68 AutoMutexWritable(const SkCachedData* cd) : fCD(const_cast<SkCachedData*>(cd
)) { | 68 AutoMutexWritable(const SkCachedData* cd) : fCD(const_cast<SkCachedData*>(cd
)) { |
69 fCD->fMutex.acquire(); | 69 fCD->fMutex.acquire(); |
70 fCD->validate(); | 70 fCD->validate(); |
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81 SkCachedData* fCD; | 81 SkCachedData* fCD; |
82 }; | 82 }; |
83 | 83 |
84 void SkCachedData::internalRef(bool fromCache) const { | 84 void SkCachedData::internalRef(bool fromCache) const { |
85 AutoMutexWritable(this)->inMutexRef(fromCache); | 85 AutoMutexWritable(this)->inMutexRef(fromCache); |
86 } | 86 } |
87 | 87 |
88 void SkCachedData::internalUnref(bool fromCache) const { | 88 void SkCachedData::internalUnref(bool fromCache) const { |
89 if (AutoMutexWritable(this)->inMutexUnref(fromCache)) { | 89 if (AutoMutexWritable(this)->inMutexUnref(fromCache)) { |
90 // can't delete inside doInternalUnref, since it is locking a mutex (whi
ch we own) | 90 // can't delete inside doInternalUnref, since it is locking a mutex (whi
ch we own) |
91 SkDELETE(this); | 91 delete this; |
92 } | 92 } |
93 } | 93 } |
94 | 94 |
95 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 95 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
96 | 96 |
97 void SkCachedData::inMutexRef(bool fromCache) { | 97 void SkCachedData::inMutexRef(bool fromCache) { |
98 if ((1 == fRefCnt) && fInCache) { | 98 if ((1 == fRefCnt) && fInCache) { |
99 this->inMutexLock(); | 99 this->inMutexLock(); |
100 } | 100 } |
101 | 101 |
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189 case kDiscardableMemory_StorageType: | 189 case kDiscardableMemory_StorageType: |
190 // fData can be null or the actual value, depending if DM's lock
succeeded | 190 // fData can be null or the actual value, depending if DM's lock
succeeded |
191 break; | 191 break; |
192 } | 192 } |
193 } else { | 193 } else { |
194 SkASSERT((fInCache && 1 == fRefCnt) || (0 == fRefCnt)); | 194 SkASSERT((fInCache && 1 == fRefCnt) || (0 == fRefCnt)); |
195 SkASSERT(NULL == fData); | 195 SkASSERT(NULL == fData); |
196 } | 196 } |
197 } | 197 } |
198 #endif | 198 #endif |
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