1 /* 2 * Copyright (C) 2015 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_EVENT_WORKER_H_ 18 #define ANDROID_EVENT_WORKER_H_ 19 20 #include "drmresources.h" 21 #include "worker.h" 22 23 #include <map> 24 #include <stdint.h> 25 26 #include <hardware/hardware.h> 27 #include <hardware/hwcomposer.h> 28 29 namespace android { 30 31 class VSyncWorker : public Worker { 32 public: 33 VSyncWorker(); 34 ~VSyncWorker() override; 35 36 int Init(DrmResources *drm, int display); 37 int SetProcs(hwc_procs_t const *procs); 38 39 int VSyncControl(bool enabled); 40 41 protected: 42 void Routine() override; 43 44 private: 45 int64_t GetPhasedVSync(int64_t frame_ns, int64_t current); 46 int SyntheticWaitVBlank(int64_t *timestamp); 47 48 DrmResources *drm_; 49 hwc_procs_t const *procs_; 50 51 int display_; 52 bool enabled_; 53 int64_t last_timestamp_; 54 }; 55 } 56 57 #endif 58
