| // Copyright 2021 The Fuchsia 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 "src/ui/scenic/lib/allocation/id.h" |
| |
| #include <atomic> |
| |
| namespace allocation { |
| |
| const GlobalBufferCollectionId kInvalidId = ZX_KOID_INVALID; |
| const GlobalImageId kInvalidImageId = 0; |
| |
| GlobalBufferCollectionId GenerateUniqueBufferCollectionId() { |
| // This function will be called from multiple threads, and thus needs an atomic |
| // incrementor for the id. |
| static std::atomic<GlobalBufferCollectionId> buffer_collection_id = 0; |
| return ++buffer_collection_id; |
| } |
| |
| GlobalImageId GenerateUniqueImageId() { |
| // This function will be called from multiple threads, and thus needs an atomic |
| // incrementor for the id. |
| static std::atomic<GlobalImageId> image_id = 0; |
| return ++image_id; |
| } |
| } // namespace allocation |