skia/ext/SkDiscardableMemory_chrome.cc

   1 // Copyright 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 "SkDiscardableMemory_chrome.h"
   6
   7 #include "base/memory/discardable_memory.h"
   8 #include "base/memory/discardable_memory_allocator.h"
   9
  10 SkDiscardableMemoryChrome::~SkDiscardableMemoryChrome() {}
  11
  12 bool SkDiscardableMemoryChrome::lock() {
  13   return discardable_->Lock();
  14 }
  15
  16 void* SkDiscardableMemoryChrome::data() {
  17   return discardable_->data();
  18 }
  19
  20 void SkDiscardableMemoryChrome::unlock() {
  21   discardable_->Unlock();
  22 }
  23
  24 SkDiscardableMemoryChrome::SkDiscardableMemoryChrome(
  25     scoped_ptr<base::DiscardableMemory> memory)
  26     : discardable_(memory.Pass()) {
  27 }
  28
  29 base::trace_event::MemoryAllocatorDump*
  30 SkDiscardableMemoryChrome::CreateMemoryAllocatorDump(
  31     const char* name,
  32     base::trace_event::ProcessMemoryDump* pmd) const {
  33   return discardable_->CreateMemoryAllocatorDump(name, pmd);
  34 }
  35
  36 SkDiscardableMemory* SkDiscardableMemory::Create(size_t bytes) {
  37   return new SkDiscardableMemoryChrome(
  38       base::DiscardableMemoryAllocator::GetInstance()
  39           ->AllocateLockedDiscardableMemory(bytes));
  40 }