1 /* 2 * Copyright (C) 2015-2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_VIRTUAL_COMPOSITOR_WORKER_H_ 18 #define ANDROID_VIRTUAL_COMPOSITOR_WORKER_H_ 19 20 #include "drmhwcomposer.h" 21 #include "queue_worker.h" 22 23 namespace android { 24 25 struct VirtualComposition { 26 UniqueFd outbuf_acquire_fence; 27 std::vector<UniqueFd> layer_acquire_fences; 28 int release_timeline; 29 }; 30 31 class VirtualCompositorWorker : public QueueWorker<VirtualComposition> { 32 public: 33 VirtualCompositorWorker(); 34 ~VirtualCompositorWorker() override; 35 36 int Init(); 37 void QueueComposite(hwc_display_contents_1_t *dc); 38 39 protected: 40 void ProcessWork(std::unique_ptr<VirtualComposition> composition); 41 42 private: 43 int CreateNextTimelineFence(); 44 int FinishComposition(int timeline); 45 46 int timeline_fd_; 47 int timeline_; 48 int timeline_current_; 49 }; 50 } 51 52 #endif 53