| // 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 "base/memory/shared_memory.h" |
| |
| namespace cc { |
| |
| namespace { |
| class OwnedSharedBitmap : public SharedBitmap { |
| public: |
| OwnedSharedBitmap(scoped_ptr<base::SharedMemory> shared_memory, |
| const SharedBitmapId& id) |
| : SharedBitmap(static_cast<uint8*>(shared_memory->memory()), id), |
| shared_memory_(shared_memory.Pass()) {} |
| |
| ~OwnedSharedBitmap() override {} |
| |
| private: |
| scoped_ptr<base::SharedMemory> shared_memory_; |
| }; |
| |
| } // namespace |
| |
| TestSharedBitmapManager::TestSharedBitmapManager() {} |
| |
| TestSharedBitmapManager::~TestSharedBitmapManager() {} |
| |
| scoped_ptr<SharedBitmap> TestSharedBitmapManager::AllocateSharedBitmap( |
| const gfx::Size& size) { |
| base::AutoLock lock(lock_); |
| scoped_ptr<base::SharedMemory> memory(new base::SharedMemory); |
| memory->CreateAndMapAnonymous(size.GetArea() * 4); |
| SharedBitmapId id = SharedBitmap::GenerateId(); |
| bitmap_map_[id] = memory.get(); |
| return make_scoped_ptr(new OwnedSharedBitmap(memory.Pass(), id)); |
| } |
| |
| scoped_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* pixels = static_cast<uint8*>(bitmap_map_[id]->memory()); |
| return make_scoped_ptr(new SharedBitmap(pixels, id)); |
| } |
| |
| } // namespace cc |