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
21 namespace OHOS {
22 namespace HDI {
23 namespace Display {
24 namespace V1_0 {
25 class GrallocDeathRecipient : public IRemoteObject::DeathRecipient {
26 public:
GrallocDeathRecipient(AllocatorDeathCallback func,void * data)27 GrallocDeathRecipient(AllocatorDeathCallback func, void *data) : deathCbFun_(func), data_(data) {};
OnRemoteDied(const wptr<IRemoteObject> & object)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 }
36 private:
37 AllocatorDeathCallback deathCbFun_;
38 void *data_;
39 };
40
Get()41 IDisplayGralloc *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
DisplayGrallocClient()53 DisplayGrallocClient::DisplayGrallocClient() : mapperAdapter_(std::make_shared<MapperAdapter>())
54 {
55 allocatorProxy_ = IDisplayAllocator::Get("hdi_display_gralloc_service");
56 if (allocatorProxy_ == nullptr) {
57 return;
58 }
59 }
60
RegAllocatorDeathCallback(AllocatorDeathCallback func,void * data)61 int32_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
AllocMem(const AllocInfo & info,BufferHandle * & handle) const78 int32_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
FreeMem(const BufferHandle & handle) const88 void DisplayGrallocClient::FreeMem(const BufferHandle &handle) const
89 {
90 mapperAdapter_->FreeBuffer(handle);
91 }
92
Mmap(const BufferHandle & handle) const93 void* 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
Unmap(const BufferHandle & handle) const105 int32_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
FlushCache(const BufferHandle & handle) const114 int32_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
InvalidateCache(const BufferHandle & handle) const123 int32_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
MmapCache(const BufferHandle & handle) const132 void* DisplayGrallocClient::MmapCache(const BufferHandle &handle) const
133 {
134 (void)handle;
135 return nullptr;
136 }
137
FlushMCache(const BufferHandle & handle) const138 int32_t DisplayGrallocClient::FlushMCache(const BufferHandle &handle) const
139 {
140 (void)handle;
141 return DISPLAY_NOT_SUPPORT;
142 }
143
IsSupportedAlloc(const std::vector<VerifyAllocInfo> & infos,std::vector<bool> & supporteds) const144 int32_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