1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef SKIA_CONFIG_SK_REF_CNT_EXT_DEBUG_H_
6 #define SKIA_CONFIG_SK_REF_CNT_EXT_DEBUG_H_
8 #ifdef SKIA_CONFIG_SK_REF_CNT_EXT_RELEASE_H_
9 #error Only one SkRefCnt should be used.
17 void adopted(const SkRefCnt*);
18 void requireAdoption(const SkRefCnt*);
21 // Alternate implementation of SkRefCnt for Chromium debug builds
22 class SK_API SkRefCnt : public SkRefCntBase {
26 void ref() const { SkASSERT(flags_.load() != AdoptionRequired_Flag); SkRefCntBase::ref(); }
27 void deref() const { SkRefCntBase::unref(); }
29 void adopted() const { flags_ |= Adopted_Flag; }
30 void requireAdoption() const { flags_ |= AdoptionRequired_Flag; }
34 AdoptionRequired_Flag = 0x2,
37 mutable std::atomic<int> flags_;
39 friend void WTF::adopted(const SkRefCnt*);
40 friend void WTF::requireAdoption(const SkRefCnt*);
43 inline SkRefCnt::SkRefCnt() : flags_(0) { }
45 inline SkRefCnt::~SkRefCnt() { }
47 // Bootstrap for Blink's WTF::RefPtr
50 inline void adopted(const SkRefCnt* object) {
55 inline void requireAdoption(const SkRefCnt* object) {
58 object->requireAdoption();
63 using WTF::requireAdoption;
65 #endif // SKIA_CONFIG_SK_REF_CNT_EXT_DEBUG_H_