| // 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 "components/viz/test/test_shared_bitmap_manager.h" |
| |
| #include <stdint.h> |
| |
| #include "base/memory/shared_memory.h" |
| #include "components/viz/common/resources/resource_format_utils.h" |
| #include "mojo/public/cpp/system/platform_handle.h" |
| |
| namespace viz { |
| |
| TestSharedBitmapManager::TestSharedBitmapManager() = default; |
| |
| TestSharedBitmapManager::~TestSharedBitmapManager() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| } |
| |
| std::unique_ptr<SharedBitmap> TestSharedBitmapManager::GetSharedBitmapFromId( |
| const gfx::Size&, |
| ResourceFormat, |
| const SharedBitmapId& id) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| |
| if (bitmap_map_.find(id) == bitmap_map_.end()) |
| return nullptr; |
| uint8_t* pixels = static_cast<uint8_t*>(bitmap_map_[id]->memory()); |
| return std::make_unique<SharedBitmap>(pixels); |
| } |
| |
| base::UnguessableToken |
| TestSharedBitmapManager::GetSharedBitmapTracingGUIDFromId( |
| const SharedBitmapId& id) { |
| if (bitmap_map_.find(id) == bitmap_map_.end()) |
| return {}; |
| return bitmap_map_[id]->mapped_id(); |
| } |
| |
| bool TestSharedBitmapManager::ChildAllocatedSharedBitmap( |
| mojo::ScopedSharedBufferHandle buffer, |
| const SharedBitmapId& id) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| |
| // TestSharedBitmapManager is both the client and service side. So the |
| // notification here should be about a bitmap that was previously allocated |
| // with AllocateSharedBitmap(). |
| if (bitmap_map_.find(id) == bitmap_map_.end()) { |
| base::SharedMemoryHandle memory_handle; |
| size_t buffer_size; |
| MojoResult result = mojo::UnwrapSharedMemoryHandle( |
| std::move(buffer), &memory_handle, &buffer_size, nullptr); |
| DCHECK_EQ(result, MOJO_RESULT_OK); |
| auto memory = std::make_unique<base::SharedMemory>(memory_handle, false); |
| bool mapped = memory->Map(buffer_size); |
| DCHECK(mapped); |
| memory->Close(); |
| |
| bitmap_map_.emplace(id, memory.get()); |
| owned_map_.emplace(id, std::move(memory)); |
| } |
| |
| // The same bitmap id should not be notified more than once. |
| DCHECK_EQ(notified_set_.count(id), 0u); |
| notified_set_.insert(id); |
| return true; |
| } |
| |
| void TestSharedBitmapManager::ChildDeletedSharedBitmap( |
| const SharedBitmapId& id) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| |
| notified_set_.erase(id); |
| bitmap_map_.erase(id); |
| owned_map_.erase(id); |
| } |
| |
| } // namespace viz |