| /* |
| * 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 |
| |
| #include <condition_variable> |
| #include <mutex> |
| |
| #include <ui/GraphicBuffer.h> |
| |
| namespace android { |
| |
| class SurfaceManager; |
| class EglManager; |
| class Program; |
| |
| class BufferGenerator { |
| public: |
| BufferGenerator(); |
| ~BufferGenerator(); |
| |
| /* Get a new fence */ |
| status_t get(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence); |
| |
| /* Static callback that sets the fence on a particular instance */ |
| static void setBuffer(const sp<GraphicBuffer>& buffer, int32_t fence, void* fenceGenerator); |
| ui::Size getSize(); |
| |
| private: |
| bool mInitialized = false; |
| |
| std::unique_ptr<SurfaceManager> mSurfaceManager; |
| std::unique_ptr<EglManager> mEglManager; |
| std::unique_ptr<Program> mProgram; |
| |
| std::condition_variable_any mConditionVariable; |
| |
| sp<GraphicBuffer> mGraphicBuffer; |
| int32_t mFence = -1; |
| bool mPending = false; |
| |
| using Epoch = std::chrono::time_point<std::chrono::steady_clock>; |
| Epoch mEpoch = std::chrono::steady_clock::now(); |
| ui::Size mBufferSize; |
| }; |
| |
| } // namespace android |