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
27namespace OHOS {
28namespace HDI {
29namespace Display {
30namespace Composer {
31using namespace OHOS::HDI::Base;
32class DeviceCache : public NoCopyable {
33public:
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 ClearClientCache();
47    int32_t ClearLayerBuffer(uint32_t layerId);
48    int32_t SetDisplayClientBuffer(BufferHandle*& buffer, uint32_t seqNo, bool &needFreeBuffer,
49        std::function<int32_t (const BufferHandle&)> realFunc);
50    int32_t SetVirtualDisplayBuffer(BufferHandle*& buffer, uint32_t seqNo, bool &needFreeBuffer,
51        std::function<int32_t (const BufferHandle&)> realFunc);
52    DeviceType CacheType() const;
53    void Dump() const;
54private:
55    DeviceCache(uint32_t id, DeviceType type);
56    int32_t Init();
57    uint32_t deviceId_;
58    DeviceType cacheType_;
59    std::shared_ptr<CacheManager<uint32_t, NativeBuffer>> clientBufferCaches_;
60    std::shared_ptr<CacheManager<uint32_t, NativeBuffer>> outputBufferCaches_;
61    std::shared_ptr<CacheManager<uint32_t, LayerCache>> layerCaches_;
62};
63} // namespace Composer
64} // namespace Display
65} // namespace HDI
66} // namespace OHOS
67#endif // OHOS_HDI_DISPLAY_V1_0_DEVICE_CACHE_H
68