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 OHOS_HDI_DISPLAY_V1_0_LAYER_CACHE_H 17 #define OHOS_HDI_DISPLAY_V1_0_LAYER_CACHE_H 18 19 #include <functional> 20 #include <memory> 21 #include <unordered_map> 22 #include "base/native_buffer.h" 23 #include "cache_manager.h" 24 #include "nocopyable.h" 25 26 namespace OHOS { 27 namespace HDI { 28 namespace Display { 29 namespace Composer { 30 using namespace OHOS::HDI::Base; 31 class LayerCache : public NoCopyable { 32 public: 33 ~LayerCache(); 34 static LayerCache* Create(uint32_t id); 35 int32_t SetLayerBuffer(const BufferHandle* buffer, uint32_t seqNo, bool &needFreeBuffer, 36 const std::vector<uint32_t>& deletingList, std::function<int32_t (const BufferHandle&)> realFunc); 37 int32_t SetBufferCacheMaxCount(uint32_t cacheCount); 38 void Dump() const; 39 private: 40 explicit LayerCache(uint32_t id); 41 int32_t Init(); 42 43 uint32_t layerId_; 44 std::shared_ptr<CacheManager<uint32_t, NativeBuffer>> bufferCaches_; 45 }; 46 } // namespace Composer 47 } // namespace Display 48 } // namespace HDI 49 } // namespace OHOS 50 #endif // OHOS_HDI_DISPLAY_V1_0_LAYER_CACHE_H 51