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 16 #ifndef RENDER_DATA_STORE_RENDER_DATA_STORE_POD_H 17 #define RENDER_DATA_STORE_RENDER_DATA_STORE_POD_H 18 19 #include <atomic> 20 #include <cstdint> 21 #include <mutex> 22 23 #include <base/containers/array_view.h> 24 #include <base/containers/refcnt_ptr.h> 25 #include <base/containers/string.h> 26 #include <base/containers/string_view.h> 27 #include <base/containers/unordered_map.h> 28 #include <base/containers/vector.h> 29 #include <base/util/uid.h> 30 #include <render/datastore/intf_render_data_store_pod.h> 31 #include <render/namespace.h> 32 33 RENDER_BEGIN_NAMESPACE() 34 class IRenderContext; 35 /** 36 RenderDataStorePod implementation. 37 */ 38 class RenderDataStorePod final : public IRenderDataStorePod { 39 public: 40 explicit RenderDataStorePod(BASE_NS::string_view name); 41 ~RenderDataStorePod() override = default; 42 43 // IRenderDataStore PreRender()44 void PreRender() override {} PostRender()45 void PostRender() override {} PreRenderBackend()46 void PreRenderBackend() override {} PostRenderBackend()47 void PostRenderBackend() override {} Clear()48 void Clear() override {} GetFlags()49 uint32_t GetFlags() const override 50 { 51 return 0; 52 } GetTypeName()53 BASE_NS::string_view GetTypeName() const override 54 { 55 return TYPE_NAME; 56 } 57 GetName()58 BASE_NS::string_view GetName() const override 59 { 60 return name_; 61 } 62 GetUid()63 const BASE_NS::Uid& GetUid() const override 64 { 65 return UID; 66 } 67 68 void Ref() override; 69 void Unref() override; 70 int32_t GetRefCount() override; 71 72 // IRenderDataStorePod 73 void CreatePod( 74 BASE_NS::string_view typeName, BASE_NS::string_view name, BASE_NS::array_view<const uint8_t> data) override; 75 void DestroyPod(BASE_NS::string_view typeName, BASE_NS::string_view name) override; 76 77 void Set(BASE_NS::string_view name, BASE_NS::array_view<const uint8_t> data) override; 78 BASE_NS::array_view<const uint8_t> Get(BASE_NS::string_view name) const override; 79 80 BASE_NS::array_view<const BASE_NS::string> GetPodNames(BASE_NS::string_view typeName) const override; 81 82 // for plugin / factory interface 83 static constexpr const char* const TYPE_NAME = "RenderDataStorePod"; 84 85 static BASE_NS::refcnt_ptr<IRenderDataStore> Create(IRenderContext& renderContext, const char* name); 86 87 private: 88 const BASE_NS::string name_; 89 90 // NOTE: allocate bigger blocks 91 BASE_NS::vector<uint8_t> dataStore_; 92 93 struct OffsetToData { 94 uint32_t index { 0 }; 95 uint32_t byteSize { 0 }; 96 }; 97 BASE_NS::unordered_map<BASE_NS::string, OffsetToData> nameToDataOffset_; 98 99 BASE_NS::unordered_map<BASE_NS::string, BASE_NS::vector<BASE_NS::string>> typeNameToPodNames_; 100 101 mutable std::mutex mutex_; 102 103 std::atomic_int32_t refcnt_ { 0 }; 104 }; 105 RENDER_END_NAMESPACE() 106 107 #endif // RENDER_DATA_STORE_RENDER_DATA_STORE_POD_H 108