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_BACKGROUND_THREAD_H
17 #define RS_BACKGROUND_THREAD_H
18 
19 #include "event_handler.h"
20 #include "common/rs_macros.h"
21 #if defined(RS_ENABLE_UNI_RENDER) && (defined(RS_ENABLE_GL) || defined(RS_ENABLE_VK))
22 #include "image/gpu_context.h"
23 #endif
24 
25 namespace OHOS::Rosen {
26 class RenderContext;
27 
28 class RSB_EXPORT RSBackgroundThread final {
29 public:
30     static RSBackgroundThread& Instance();
31     void PostTask(const std::function<void()>& task);
32     void PostSyncTask(const std::function<void()>& task);
33 #if defined(RS_ENABLE_UNI_RENDER) && (defined(RS_ENABLE_GL) || defined(RS_ENABLE_VK))
34     void InitRenderContext(RenderContext* context);
35     void CleanGrResource();
36     std::shared_ptr<Drawing::GPUContext> GetShareGPUContext() const;
37 #endif
38 private:
39     RSBackgroundThread();
40     ~RSBackgroundThread() = default;
41     RSBackgroundThread(const RSBackgroundThread&);
42     RSBackgroundThread(const RSBackgroundThread&&);
43     RSBackgroundThread& operator=(const RSBackgroundThread&);
44     RSBackgroundThread& operator=(const RSBackgroundThread&&);
45 
46     std::shared_ptr<AppExecFwk::EventRunner> runner_ = nullptr;
47     std::shared_ptr<AppExecFwk::EventHandler> handler_ = nullptr;
48 #if defined(RS_ENABLE_UNI_RENDER) && (defined(RS_ENABLE_GL) || defined(RS_ENABLE_VK))
49 #ifdef RS_ENABLE_GL
50     void CreateShareEglContext();
51     EGLContext eglShareContext_ = static_cast<EGLContext>(0);
52 #endif
53     RenderContext* renderContext_ = nullptr;
54     std::shared_ptr<Drawing::GPUContext> CreateShareGPUContext();
55     std::shared_ptr<Drawing::GPUContext> gpuContext_ = nullptr;
56 #endif
57 };
58 }
59 #endif // RS_BACKGROUND_THREAD_H
60