1/*
2 * Copyright (c) 2021-2023 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#include "display_gralloc_client.h"
17#include "hdf_log.h"
18
19#define HDF_LOG_TAG HDI_DISP_CLIENT
20
21namespace OHOS {
22namespace HDI {
23namespace Display {
24namespace V1_0 {
25class GrallocDeathRecipient : public IRemoteObject::DeathRecipient {
26public:
27    GrallocDeathRecipient(AllocatorDeathCallback func, void *data) : deathCbFun_(func), data_(data) {};
28    void OnRemoteDied(const wptr<IRemoteObject> &object) override
29    {
30        HDF_LOGI("%{public}s: allocator service is dead", __func__);
31        if (deathCbFun_ != nullptr) {
32            HDF_LOGI("%{public}s: notify the death event of allocator to RS", __func__);
33            deathCbFun_(data_);
34        }
35    }
36private:
37    AllocatorDeathCallback deathCbFun_;
38    void *data_;
39};
40
41IDisplayGralloc *IDisplayGralloc::Get()
42{
43    IDisplayGralloc *instance = nullptr;
44    instance = new DisplayGrallocClient();
45    if (instance == nullptr) {
46        HDF_LOGE("%{public}s: Can't new a DisplayGrallocClient instance", __func__);
47        return nullptr;
48    }
49    HDF_LOGI("%{public}s: Get display gralloc client handle succ", __func__);
50    return instance;
51}
52
53DisplayGrallocClient::DisplayGrallocClient() : mapperAdapter_(std::make_shared<MapperAdapter>())
54{
55    allocatorProxy_ = IDisplayAllocator::Get("hdi_display_gralloc_service");
56    if (allocatorProxy_ == nullptr) {
57        return;
58    }
59}
60
61int32_t DisplayGrallocClient::RegAllocatorDeathCallback(AllocatorDeathCallback func, void *data)
62{
63    const sptr<IRemoteObject::DeathRecipient> recipient = new GrallocDeathRecipient(func, data);
64    if (allocatorProxy_ == nullptr) {
65        HDF_LOGE("%{public}s: allocatorProxy_ is null", __func__);
66        return DISPLAY_FAILURE;
67    }
68    bool ret = allocatorProxy_->AsObject()->AddDeathRecipient(recipient);
69    if (ret) {
70        HDF_LOGI("%{public}s: add alocator death notify success", __func__);
71        return DISPLAY_SUCCESS;
72    } else {
73        HDF_LOGE("%{public}s: add alocator death notify failed", __func__);
74        return DISPLAY_FAILURE;
75    }
76}
77
78int32_t DisplayGrallocClient::AllocMem(const AllocInfo &info, BufferHandle *&handle) const
79{
80    if (allocatorProxy_ == nullptr) {
81        HDF_LOGE("%{public}s: allocatorProxy_ is null", __func__);
82        return DISPLAY_FAILURE;
83    }
84    auto ret = allocatorProxy_->AllocMem(info, handle);
85    return ret;
86}
87
88void DisplayGrallocClient::FreeMem(const BufferHandle &handle) const
89{
90    mapperAdapter_->FreeBuffer(handle);
91}
92
93void* DisplayGrallocClient::Mmap(const BufferHandle &handle) const
94{
95    void* data = nullptr;
96    int32_t ret = mapperAdapter_->MapBuffer(handle, data);
97    if (ret != DISPLAY_SUCCESS) {
98        FreeMem(handle);
99        HDF_LOGE("%{public}s: DisplayGrallocClient::Mmap, mapBuffer failed", __func__);
100        return nullptr;
101    }
102    return data;
103}
104
105int32_t DisplayGrallocClient::Unmap(const BufferHandle &handle) const
106{
107    auto ret = mapperAdapter_->UnmapBuffer(handle);
108    if (ret != DISPLAY_SUCCESS) {
109        HDF_LOGE("%{public}s: failed, ret %{public}d", __func__, ret);
110    }
111    return ret;
112}
113
114int32_t DisplayGrallocClient::FlushCache(const BufferHandle &handle) const
115{
116    auto ret = mapperAdapter_->FlushCache(handle);
117    if (ret != DISPLAY_SUCCESS) {
118        HDF_LOGE("%{public}s: failed, ret %{public}d", __func__, ret);
119    }
120    return ret;
121}
122
123int32_t DisplayGrallocClient::InvalidateCache(const BufferHandle &handle) const
124{
125    auto ret = mapperAdapter_->InvalidateCache(handle);
126    if (ret != DISPLAY_SUCCESS) {
127        HDF_LOGI("%{public}s: failed, ret %{public}d", __func__, ret);
128    }
129    return ret;
130}
131
132void* DisplayGrallocClient::MmapCache(const BufferHandle &handle) const
133{
134    (void)handle;
135    return nullptr;
136}
137
138int32_t DisplayGrallocClient::FlushMCache(const BufferHandle &handle) const
139{
140    (void)handle;
141    return DISPLAY_NOT_SUPPORT;
142}
143
144int32_t DisplayGrallocClient::IsSupportedAlloc(const std::vector<VerifyAllocInfo> &infos,
145                                               std::vector<bool> &supporteds) const
146{
147    (void)infos;
148    (void)supporteds;
149    return DISPLAY_NOT_SUPPORT;
150}
151} // namespace V1_0
152} // namespace Display
153} // namespace HDI
154} // namespace OHOS
155