1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef RS_OFFSCREEN_RENDER_THREAD_H
17 #define RS_OFFSCREEN_RENDER_THREAD_H
18 
19 #include <functional>
20 #include <event_handler.h>
21 #include <map>
22 #include <mutex>
23 #include <sched.h>
24 
25 #include "common/rs_common_def.h"
26 
27 namespace OHOS::Rosen {
28 class RenderContext;
29 class RSB_EXPORT RSOffscreenRenderThread {
30 public:
31     static RSOffscreenRenderThread& Instance();
32     void PostTask(const std::function<void()>& task);
33     void InSertCaptureTask(NodeId nodeId, std::function<void()>& task);
34     const std::function<void()> GetCaptureTask(NodeId nodeId);
35 #ifdef ROSEN_OHOS
36     const std::shared_ptr<RenderContext> GetRenderContext();
37     void CleanGrResource();
38 #endif
39 private:
40     RSOffscreenRenderThread();
41     ~RSOffscreenRenderThread() = default;
42     RSOffscreenRenderThread(const RSOffscreenRenderThread&);
43     RSOffscreenRenderThread(const RSOffscreenRenderThread&&);
44     RSOffscreenRenderThread& operator=(const RSOffscreenRenderThread&);
45     RSOffscreenRenderThread& operator=(const RSOffscreenRenderThread&&);
46 
47     std::mutex mutex_;
48     int offscreenRenderNum_ = 0;
49 
50     std::shared_ptr<AppExecFwk::EventRunner> runner_ = nullptr;
51     std::shared_ptr<AppExecFwk::EventHandler> handler_ = nullptr;
52 #ifdef ROSEN_OHOS
53     std::shared_ptr<RenderContext> renderContext_ = nullptr;
54 #endif
55     std::map<NodeId, std::function<void()>> taskMap_;
56 };
57 }
58 #endif // RS_OFFSCREEN_RENDER_THREAD_H
59