| // Copyright 2018 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License.#pragma once |
| #pragma once |
| |
| #include <memory> |
| |
| class ANativeWindowBuffer; |
| |
| namespace aemu { |
| |
| class AndroidBufferQueue { |
| public: |
| static constexpr int kCapacity = 3; |
| |
| class Item { |
| public: |
| Item(ANativeWindowBuffer* buf = 0, int fd = -1) : |
| buffer(buf), fenceFd(fd) { } |
| ANativeWindowBuffer* buffer = 0; |
| int fenceFd = -1; |
| }; |
| |
| AndroidBufferQueue(); |
| ~AndroidBufferQueue(); |
| |
| void cancelBuffer(const Item& item); |
| |
| void queueBuffer(const Item& item); |
| void dequeueBuffer(Item* outItem); |
| |
| bool try_dequeueBuffer(Item* outItem); |
| |
| private: |
| class Impl; |
| std::unique_ptr<Impl> mImpl; |
| }; // namespace aemu |
| |
| } // namespace qemu |