OLD | NEW |
(Empty) | |
| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "sk_discardable_memory_chrome.h" |
| 6 #include "base/memory/discardable_memory.h" |
| 7 #include "third_party/WebKit/public/platform/Platform.h" |
| 8 |
| 9 namespace skia { |
| 10 |
| 11 SkDiscardableMemoryChrome::SkDiscardableMemoryChrome() |
| 12 : discardable_(new base::DiscardableMemory()) { |
| 13 } |
| 14 |
| 15 bool SkDiscardableMemoryChrome::lock() { |
| 16 base::LockDiscardableMemoryStatus status = discardable_->Lock(); |
| 17 switch (status) { |
| 18 case base::DISCARDABLE_MEMORY_SUCCESS: |
| 19 return true; |
| 20 case base::DISCARDABLE_MEMORY_PURGED: |
| 21 discardable_->Unlock(); |
| 22 return false; |
| 23 default: |
| 24 discardable_.reset(); |
| 25 return false; |
| 26 } |
| 27 } |
| 28 |
| 29 void* SkDiscardableMemoryChrome::data() { |
| 30 return discardable_->Memory(); |
| 31 } |
| 32 |
| 33 void SkDiscardableMemoryChrome::unlock() { |
| 34 discardable_->Unlock(); |
| 35 } |
| 36 |
| 37 bool SkDiscardableMemoryChrome::InitializeAndLock(size_t bytes) { |
| 38 return discardable_->InitializeAndLock(bytes); |
| 39 } |
| 40 |
| 41 SkDiscardableMemory* SkDiscardableMemoryFactoryChrome::create(size_t bytes) { |
| 42 if (!base::DiscardableMemory::Supported()) { |
| 43 return NULL; |
| 44 } |
| 45 scoped_ptr<SkDiscardableMemoryChrome> discardable( |
| 46 new SkDiscardableMemoryChrome()); |
| 47 if (discardable->InitializeAndLock(bytes)) |
| 48 return discardable.release(); |
| 49 return NULL; |
| 50 } |
| 51 |
| 52 } // namespace skia |
OLD | NEW |