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
23namespace android {
24
25struct VirtualComposition {
26  UniqueFd outbuf_acquire_fence;
27  std::vector<UniqueFd> layer_acquire_fences;
28  int release_timeline;
29};
30
31class 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