blob: 604f669af5bbb643ef9aa3a94cf17182e62eed36 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/test/test_shared_bitmap_manager.h"
#include <stdint.h>
#include "base/memory/ptr_util.h"
#include "base/memory/shared_memory.h"
namespace cc {
namespace {
class OwnedSharedBitmap : public SharedBitmap {
public:
OwnedSharedBitmap(std::unique_ptr<base::SharedMemory> shared_memory,
const SharedBitmapId& id)
: SharedBitmap(static_cast<uint8_t*>(shared_memory->memory()), id),
shared_memory_(std::move(shared_memory)) {}
~OwnedSharedBitmap() override {}
private:
std::unique_ptr<base::SharedMemory> shared_memory_;
};
} // namespace
TestSharedBitmapManager::TestSharedBitmapManager() {}
TestSharedBitmapManager::~TestSharedBitmapManager() {}
std::unique_ptr<SharedBitmap> TestSharedBitmapManager::AllocateSharedBitmap(
const gfx::Size& size) {
base::AutoLock lock(lock_);
std::unique_ptr<base::SharedMemory> memory(new base::SharedMemory);
memory->CreateAndMapAnonymous(size.GetArea() * 4);
SharedBitmapId id = SharedBitmap::GenerateId();
bitmap_map_[id] = memory.get();
return base::MakeUnique<OwnedSharedBitmap>(std::move(memory), id);
}
std::unique_ptr<SharedBitmap> TestSharedBitmapManager::GetSharedBitmapFromId(
const gfx::Size&,
const SharedBitmapId& id) {
base::AutoLock lock(lock_);
if (bitmap_map_.find(id) == bitmap_map_.end())
return nullptr;
uint8_t* pixels = static_cast<uint8_t*>(bitmap_map_[id]->memory());
return base::MakeUnique<SharedBitmap>(pixels, id);
}
} // namespace cc