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_H 17 #define OHOS_HDI_DISPLAY_V1_0_DEVICE_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 "layer_cache.h" 25 #include "nocopyable.h" 26 27 namespace OHOS { 28 namespace HDI { 29 namespace Display { 30 namespace Composer { 31 using namespace OHOS::HDI::Base; 32 class DeviceCache : public NoCopyable { 33 public: 34 enum DeviceType { 35 DEVICE_TYPE_DEVICE = 0, 36 DEVICE_TYPE_VIRTUAL, 37 DEVICE_TYPE_BUTT 38 }; 39 40 ~DeviceCache(); 41 static DeviceCache* Create(uint32_t id, DeviceType type); 42 int32_t SetClientBufferCacheCount(uint32_t bufferCacheCount); 43 LayerCache* LayerCacheInstance(uint32_t layerId) const; 44 int32_t AddLayerCache(uint32_t id, uint32_t bufferCacheCount); 45 int32_t RemoveLayerCache(uint32_t id); 46 int32_t SetDisplayClientBuffer(const BufferHandle* buffer, uint32_t seqNo, bool &needFreeBuffer, 47 std::function<int32_t (const BufferHandle&)> realFunc); 48 int32_t SetVirtualDisplayBuffer(const BufferHandle* buffer, uint32_t seqNo, bool &needFreeBuffer, 49 std::function<int32_t (const BufferHandle&)> realFunc); 50 DeviceType CacheType() const; 51 void Dump() const; 52 private: 53 DeviceCache(uint32_t id, DeviceType type); 54 int32_t Init(); 55 uint32_t deviceId_; 56 DeviceType cacheType_; 57 std::shared_ptr<CacheManager<uint32_t, NativeBuffer>> clientBufferCaches_; 58 std::shared_ptr<CacheManager<uint32_t, NativeBuffer>> outputBufferCaches_; 59 std::shared_ptr<CacheManager<uint32_t, LayerCache>> layerCaches_; 60 }; 61 } // namespace Composer 62 } // namespace Display 63 } // namespace HDI 64 } // namespace OHOS 65 #endif // OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_H 66