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_DEVICE_CACHE_MANAGER_H 17 #define OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_MANAGER_H 18 19 #include <mutex> 20 #include <memory> 21 #include <unordered_map> 22 #include "cache_manager.h" 23 #include "device_cache.h" 24 #include "nocopyable.h" 25 26 namespace OHOS { 27 namespace HDI { 28 namespace Display { 29 namespace Composer { 30 namespace V1_0 { 31 32 class DeviceCacheManager : public NoCopyable { 33 public: 34 DeviceCacheManager(); 35 ~DeviceCacheManager(); 36 static std::shared_ptr<DeviceCacheManager> GetInstance(); 37 int32_t AddDeviceCache(uint32_t deviceId); 38 int32_t RemoveDeviceCache(uint32_t deviceId); 39 int32_t CreateVirtualDisplayCache(uint32_t deviceId); 40 int32_t DestroyVirtualDisplayCache(uint32_t deviceId); 41 int32_t DestroyCaches(); 42 DeviceCache* DeviceCacheInstance(uint32_t deviceId) const; 43 LayerCache* LayerCacheInstance(uint32_t deviceId, uint32_t layerId) const; 44 void Dump() const; 45 static std::mutex& GetCacheMgrMutex(); 46 private: 47 int32_t Init(); 48 int32_t AddCacheInternal(uint32_t deviceId, DeviceCache::DeviceType type); 49 std::unique_ptr<CacheManager<uint32_t, DeviceCache>> deviceCaches_; 50 }; 51 } // namespace V1_0 52 } // namespace Composer 53 } // namespace Display 54 } // namespace HDI 55 } // namespace OHOS 56 #endif // OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_MANAGER_H 57