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 31 class DeviceCacheManager : public NoCopyable { 32 public: 33 DeviceCacheManager(); 34 ~DeviceCacheManager(); 35 static std::shared_ptr<DeviceCacheManager> GetInstance(); 36 int32_t AddDeviceCache(uint32_t deviceId); 37 int32_t RemoveDeviceCache(uint32_t deviceId); 38 int32_t CreateVirtualDisplayCache(uint32_t deviceId); 39 int32_t DestroyVirtualDisplayCache(uint32_t deviceId); 40 int32_t DestroyCaches(); SetNeedMap(bool needMap)41 void SetNeedMap(bool needMap) 42 { 43 LayerCache::needMap_ = needMap; 44 } 45 DeviceCache* DeviceCacheInstance(uint32_t deviceId) const; 46 LayerCache* LayerCacheInstance(uint32_t deviceId, uint32_t layerId) const; 47 void Dump() const; 48 static std::mutex& GetCacheMgrMutex(); 49 private: 50 int32_t Init(); 51 int32_t AddCacheInternal(uint32_t deviceId, DeviceCache::DeviceType type); 52 std::unique_ptr<CacheManager<uint32_t, DeviceCache>> deviceCaches_; 53 }; 54 } // namespace Composer 55 } // namespace Display 56 } // namespace HDI 57 } // namespace OHOS 58 #endif // OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_MANAGER_H 59