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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "skia/ext/SkDiscardableMemory_chrome.h"
#include <stddef.h>
#include <utility>
#include "base/functional/callback_helpers.h"
#include "base/memory/discardable_memory.h"
#include "base/memory/discardable_memory_allocator.h"
SkDiscardableMemoryChrome::~SkDiscardableMemoryChrome() = default;
bool SkDiscardableMemoryChrome::lock() {
return discardable_->Lock();
}
void* SkDiscardableMemoryChrome::data() {
return discardable_->data();
}
void SkDiscardableMemoryChrome::unlock() {
discardable_->Unlock();
}
SkDiscardableMemoryChrome::SkDiscardableMemoryChrome(
std::unique_ptr<base::DiscardableMemory> memory)
: discardable_(std::move(memory)) {}
base::trace_event::MemoryAllocatorDump*
SkDiscardableMemoryChrome::CreateMemoryAllocatorDump(
const char* name,
base::trace_event::ProcessMemoryDump* pmd) const {
return discardable_->CreateMemoryAllocatorDump(name, pmd);
}
SkDiscardableMemory* SkDiscardableMemory::Create(size_t bytes) {
// TODO(crbug.com/40111713): Make the caller handle a nullptr return value,
// and do not die when the allocation fails.
auto discardable = base::DiscardableMemoryAllocator::GetInstance()
->AllocateLockedDiscardableMemoryWithRetryOrDie(
bytes, base::DoNothing());
return new SkDiscardableMemoryChrome(std::move(discardable));
}
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