1 /*
2  * Copyright (c) 2024 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 #ifndef RENDER_SERVICE_CLIENT_CORE_RENDER_RS_MESA_BLUR_SHADER_FILTER_H
16 #define RENDER_SERVICE_CLIENT_CORE_RENDER_RS_MESA_BLUR_SHADER_FILTER_H
17 
18 #include "rs_pixel_stretch_params.h"
19 #include "render/rs_drawing_filter.h"
20 #include <mutex>
21 
22 namespace OHOS {
23 namespace Rosen {
24 class RSB_EXPORT RSMESABlurShaderFilter : public RSShaderFilter {
25 public:
26     RSMESABlurShaderFilter(int radius);
27     RSMESABlurShaderFilter(int radius, float greyCoefLow, float greyCoefHigh);
28     ~RSMESABlurShaderFilter() override;
29     int GetRadius() const;
30     void CalculateHash();
31     void SetPixelStretchParams(std::shared_ptr<RSPixelStretchParams>& param);
32     void SetRadius(int radius);
33     std::string GetDetailedDescription() const;
GetPixelStretchParams()34     std::shared_ptr<RSPixelStretchParams> GetPixelStretchParams() const
35     {
36         std::lock_guard<std::mutex> lock(pixelStretchParamsMutex_);
37         return pixelStretchParam_;
38     }
39     void GenerateGEVisualEffect(std::shared_ptr<Drawing::GEVisualEffectContainer> visualEffectContainer) override;
40 
41 private:
42     int radius_ = 0;
43     float greyCoefLow_ = 0.f;
44     float greyCoefHigh_ = 0.f;
45     mutable std::mutex pixelStretchParamsMutex_;
46     std::shared_ptr<RSPixelStretchParams> pixelStretchParam_ = nullptr;
47     friend class RSMarshallingHelper;
48 };
49 } // namespace Rosen
50 } // namespace OHOS
51 
52 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_MESA_BLUR_SHADER_FILTER_H
53