1 /*
2  * Copyright (c) 2022 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 RENDER_DATA_STORE_RENDER_DATA_STORE_FULLSCREEN_SHADER_H
17 #define RENDER_DATA_STORE_RENDER_DATA_STORE_FULLSCREEN_SHADER_H
18 
19 #include <cstdint>
20 #include <mutex>
21 
22 #include <base/containers/string.h>
23 #include <base/containers/string_view.h>
24 #include <base/containers/unordered_map.h>
25 #include <base/util/uid.h>
26 #include <render/datastore/intf_render_data_store_shader_passes.h>
27 #include <render/namespace.h>
28 
29 RENDER_BEGIN_NAMESPACE()
30 class IRenderContext;
31 /**
32  * RenderDataStoreFullscreenShader implementation.
33  */
34 class RenderDataStoreShaderPasses final : public IRenderDataStoreShaderPasses {
35 public:
36     RenderDataStoreShaderPasses(const IRenderContext& renderContex, const BASE_NS::string_view name);
37     ~RenderDataStoreShaderPasses() override;
38 
39     void AddRenderData(const BASE_NS::string_view name, const BASE_NS::array_view<const RenderPassData> data) override;
40     void AddComputeData(
41         const BASE_NS::string_view name, const BASE_NS::array_view<const ComputePassData> data) override;
42 
43     BASE_NS::vector<RenderPassData> GetRenderData(const BASE_NS::string_view name) const override;
44     BASE_NS::vector<ComputePassData> GetComputeData(const BASE_NS::string_view name) const override;
45     BASE_NS::vector<RenderPassData> GetRenderData() const override;
46     BASE_NS::vector<ComputePassData> GetComputeData() const override;
47 
48     PropertyBindingDataInfo GetRenderPropertyBindingInfo(BASE_NS::string_view name) const override;
49     PropertyBindingDataInfo GetComputePropertyBindingInfo(BASE_NS::string_view name) const override;
50     PropertyBindingDataInfo GetRenderPropertyBindingInfo() const override;
51     PropertyBindingDataInfo GetComputePropertyBindingInfo() const override;
52 
CommitFrameData()53     void CommitFrameData() override {}
PreRender()54     void PreRender() override {}
55     void PostRender() override;
PreRenderBackend()56     void PreRenderBackend() override {}
PostRenderBackend()57     void PostRenderBackend() override {}
58     void Clear() override;
GetFlags()59     uint32_t GetFlags() const override
60     {
61         return 0U;
62     }
63 
64     // for plugin / factory interface
65     static constexpr const char* const TYPE_NAME = "RenderDataStoreShaderPasses";
66 
67     static IRenderDataStore* Create(IRenderContext& renderContext, char const* name);
68     static void Destroy(IRenderDataStore* instance);
69 
GetTypeName()70     BASE_NS::string_view GetTypeName() const override
71     {
72         return TYPE_NAME;
73     }
74 
GetName()75     BASE_NS::string_view GetName() const override
76     {
77         return name_;
78     }
79 
GetUid()80     const BASE_NS::Uid& GetUid() const override
81     {
82         return UID;
83     }
84 
85 private:
86     const IRenderContext& renderContext_;
87     BASE_NS::string name_;
88 
89     struct RenderPassDataInfo {
90         BASE_NS::vector<RenderPassData> rpData;
91         uint32_t alignedPropertyByteSize { 0U };
92     };
93     struct ComputePassDataInfo {
94         BASE_NS::vector<ComputePassData> cpData;
95         uint32_t alignedPropertyByteSize { 0U };
96     };
97 
98     BASE_NS::unordered_map<BASE_NS::string, RenderPassDataInfo> nameToRenderObjects_;
99     BASE_NS::unordered_map<BASE_NS::string, ComputePassDataInfo> nameToComputeObjects_;
100 
101     mutable std::mutex mutex_;
102 };
103 RENDER_END_NAMESPACE()
104 
105 #endif // RENDER_DATA_STORE_RENDER_DATA_STORE_FULLSCREEN_SHADER_H
106