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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 GrGpuResource_DEFINED | 8 #ifndef GrGpuResource_DEFINED |
9 #define GrGpuResource_DEFINED | 9 #define GrGpuResource_DEFINED |
10 | 10 |
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51 // not intended to cross thread boundaries. | 51 // not intended to cross thread boundaries. |
52 void ref() const { | 52 void ref() const { |
53 this->validate(); | 53 this->validate(); |
54 ++fRefCnt; | 54 ++fRefCnt; |
55 } | 55 } |
56 | 56 |
57 void unref() const { | 57 void unref() const { |
58 this->validate(); | 58 this->validate(); |
59 | 59 |
60 if (!(--fRefCnt)) { | 60 if (!(--fRefCnt)) { |
61 SkASSERT(fRefCnt >= 0); | |
62 if (!static_cast<const DERIVED*>(this)->notifyRefCountIsZero()) { | 61 if (!static_cast<const DERIVED*>(this)->notifyRefCountIsZero()) { |
63 return; | 62 return; |
64 } | 63 } |
65 } | 64 } |
66 | 65 |
67 this->didRemoveRefOrPendingIO(kRef_CntType); | 66 this->didRemoveRefOrPendingIO(kRef_CntType); |
68 } | 67 } |
69 | 68 |
70 void validate() const { | 69 void validate() const { |
71 #ifdef SK_DEBUG | 70 #ifdef SK_DEBUG |
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111 } | 110 } |
112 | 111 |
113 void completedWrite() const { | 112 void completedWrite() const { |
114 this->validate(); | 113 this->validate(); |
115 --fPendingWrites; | 114 --fPendingWrites; |
116 this->didRemoveRefOrPendingIO(kPendingWrite_CntType); | 115 this->didRemoveRefOrPendingIO(kPendingWrite_CntType); |
117 } | 116 } |
118 | 117 |
119 private: | 118 private: |
120 void didRemoveRefOrPendingIO(CntType cntTypeRemoved) const { | 119 void didRemoveRefOrPendingIO(CntType cntTypeRemoved) const { |
121 this->validate(); | |
122 if (0 == fPendingReads && 0 == fPendingWrites && 0 == fRefCnt) { | 120 if (0 == fPendingReads && 0 == fPendingWrites && 0 == fRefCnt) { |
123 static_cast<const DERIVED*>(this)->notifyAllCntsAreZero(cntTypeRemov
ed); | 121 static_cast<const DERIVED*>(this)->notifyAllCntsAreZero(cntTypeRemov
ed); |
124 } | 122 } |
125 } | 123 } |
126 | 124 |
127 mutable int32_t fRefCnt; | 125 mutable int32_t fRefCnt; |
128 mutable int32_t fPendingReads; | 126 mutable int32_t fPendingReads; |
129 mutable int32_t fPendingWrites; | 127 mutable int32_t fPendingWrites; |
130 | 128 |
131 // This class is used to manage conversion of refs to pending reads/writes. | 129 // This class is used to manage conversion of refs to pending reads/writes. |
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302 | 300 |
303 SkBudgeted fBudgeted; | 301 SkBudgeted fBudgeted; |
304 bool fRefsWrappedObjects; | 302 bool fRefsWrappedObjects; |
305 const uint32_t fUniqueID; | 303 const uint32_t fUniqueID; |
306 | 304 |
307 typedef GrIORef<GrGpuResource> INHERITED; | 305 typedef GrIORef<GrGpuResource> INHERITED; |
308 friend class GrIORef<GrGpuResource>; // to access notifyAllCntsAreZero and n
otifyRefCntIsZero. | 306 friend class GrIORef<GrGpuResource>; // to access notifyAllCntsAreZero and n
otifyRefCntIsZero. |
309 }; | 307 }; |
310 | 308 |
311 #endif | 309 #endif |
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