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 #include "mapper_service.h"
17
18 #include <dlfcn.h>
19 #include <hdf_base.h>
20 #include <hdf_log.h>
21 #include "display_log.h"
22 #include "hdf_trace.h"
23 #ifndef DISPLAY_COMMUNITY
24 #include "../../../../../hdf_core/interfaces/inner_api/hdi/base/buffer_util.h"
25 #endif
26
27 #undef LOG_TAG
28 #define LOG_TAG "MAPPER_SRV"
29 #undef LOG_DOMAIN
30 #define LOG_DOMAIN 0xD002515
31 #undef DISPLAY_TRACE
32 #define DISPLAY_TRACE HdfTrace trace(__func__, "HDI:DISP:")
33
34 namespace OHOS {
35 namespace HDI {
36 namespace Display {
37 namespace Buffer {
38 namespace V1_0 {
MapperImplGetInstance(void)39 extern "C" Buffer::V1_2::IMapper* MapperImplGetInstance(void)
40 {
41 return new (std::nothrow) MapperService();
42 }
43
MapperService()44 MapperService::MapperService()
45 : libHandle_(nullptr),
46 vdiImpl_(nullptr),
47 createVdi_(nullptr),
48 destroyVdi_(nullptr)
49 {
50 int32_t ret = LoadVdi();
51 if (ret == HDF_SUCCESS) {
52 vdiImpl_ = createVdi_();
53 CHECK_NULLPOINTER_RETURN(vdiImpl_);
54 } else {
55 HDF_LOGE("%{public}s: Load buffer VDI failed", __func__);
56 }
57 }
58
~MapperService()59 MapperService::~MapperService()
60 {
61 std::lock_guard<std::mutex> lck(mutex_);
62 if (destroyVdi_ != nullptr && vdiImpl_ != nullptr) {
63 destroyVdi_(vdiImpl_);
64 vdiImpl_ = nullptr;
65 destroyVdi_ = nullptr;
66 }
67 if (libHandle_ != nullptr) {
68 dlclose(libHandle_);
69 libHandle_ = nullptr;
70 }
71 }
72
LoadVdi()73 int32_t MapperService::LoadVdi()
74 {
75 const char* errStr = dlerror();
76 if (errStr != nullptr) {
77 HDF_LOGD("%{public}s: mapper load vdi, clear earlier dlerror: %{public}s", __func__, errStr);
78 }
79 #ifdef BUFFER_VDI_DEFAULT_LIBRARY_ENABLE
80 libHandle_ = dlopen(DISPLAY_BUFFER_VDI_DEFAULT_LIBRARY, RTLD_LAZY);
81 if (libHandle_ == nullptr) {
82 DISPLAY_LOGE("display buffer load vendor vdi default library failed: %{public}s", DISPLAY_BUFFER_VDI_LIBRARY);
83 #endif // BUFFER_VDI_DEFAULT_LIBRARY_ENABLE
84 libHandle_ = dlopen(DISPLAY_BUFFER_VDI_LIBRARY, RTLD_LAZY);
85 DISPLAY_LOGD("display buffer load vendor vdi library: %{public}s", DISPLAY_BUFFER_VDI_LIBRARY);
86 #ifdef BUFFER_VDI_DEFAULT_LIBRARY_ENABLE
87 } else {
88 DISPLAY_LOGD("display buffer load vendor vdi default library: %{public}s", DISPLAY_BUFFER_VDI_LIBRARY);
89 }
90 #endif // BUFFER_VDI_DEFAULT_LIBRARY_ENABLE
91 CHECK_NULLPOINTER_RETURN_VALUE(libHandle_, HDF_FAILURE);
92
93 createVdi_ = reinterpret_cast<CreateDisplayBufferVdiFunc>(dlsym(libHandle_, "CreateDisplayBufferVdi"));
94 if (createVdi_ == nullptr) {
95 errStr = dlerror();
96 if (errStr != nullptr) {
97 HDF_LOGE("%{public}s: mapper CreateDisplayBufferVdi dlsym error: %{public}s", __func__, errStr);
98 }
99 dlclose(libHandle_);
100 return HDF_FAILURE;
101 }
102
103 destroyVdi_ = reinterpret_cast<DestroyDisplayBufferVdiFunc>(dlsym(libHandle_, "DestroyDisplayBufferVdi"));
104 if (destroyVdi_ == nullptr) {
105 errStr = dlerror();
106 if (errStr != nullptr) {
107 HDF_LOGE("%{public}s: mapper DestroyDisplayBufferVdi dlsym error: %{public}s", __func__, errStr);
108 }
109 dlclose(libHandle_);
110 return HDF_FAILURE;
111 }
112
113 return HDF_SUCCESS;
114 }
115
FreeMem(const sptr<NativeBuffer> & handle)116 int32_t MapperService::FreeMem(const sptr<NativeBuffer>& handle)
117 {
118 DISPLAY_TRACE;
119 CHECK_NULLPOINTER_RETURN_VALUE(handle, HDF_FAILURE);
120 CHECK_NULLPOINTER_RETURN_VALUE(vdiImpl_, HDF_FAILURE);
121
122 BufferHandle* buffer = handle->Move();
123 CHECK_NULLPOINTER_RETURN_VALUE(buffer, HDF_FAILURE);
124 vdiImpl_->FreeMem(*buffer);
125 #ifndef DISPLAY_COMMUNITY
126 FreeNativeBufferHandle(buffer);
127 buffer = nullptr;
128 #endif
129 return HDF_SUCCESS;
130 }
131
Mmap(const sptr<NativeBuffer> & handle)132 int32_t MapperService::Mmap(const sptr<NativeBuffer>& handle)
133 {
134 DISPLAY_TRACE;
135 CHECK_NULLPOINTER_RETURN_VALUE(handle, HDF_FAILURE);
136 CHECK_NULLPOINTER_RETURN_VALUE(vdiImpl_, HDF_FAILURE);
137
138 BufferHandle* buffer = handle->GetBufferHandle();
139 CHECK_NULLPOINTER_RETURN_VALUE(buffer, HDF_FAILURE);
140 void* retPtr = vdiImpl_->Mmap(*buffer);
141 CHECK_NULLPOINTER_RETURN_VALUE(retPtr, HDF_FAILURE);
142 return HDF_SUCCESS;
143 }
144
Unmap(const sptr<NativeBuffer> & handle)145 int32_t MapperService::Unmap(const sptr<NativeBuffer>& handle)
146 {
147 DISPLAY_TRACE;
148 CHECK_NULLPOINTER_RETURN_VALUE(handle, HDF_FAILURE);
149 CHECK_NULLPOINTER_RETURN_VALUE(vdiImpl_, HDF_FAILURE);
150
151 BufferHandle* buffer = handle->GetBufferHandle();
152 CHECK_NULLPOINTER_RETURN_VALUE(buffer, HDF_FAILURE);
153 int32_t ret = vdiImpl_->Unmap(*buffer);
154 DISPLAY_CHK_RETURN(ret != HDF_SUCCESS, HDF_FAILURE, DISPLAY_LOGE(" fail"));
155 return ret;
156 }
157
FlushCache(const sptr<NativeBuffer> & handle)158 int32_t MapperService::FlushCache(const sptr<NativeBuffer>& handle)
159 {
160 DISPLAY_TRACE;
161 CHECK_NULLPOINTER_RETURN_VALUE(handle, HDF_FAILURE);
162 CHECK_NULLPOINTER_RETURN_VALUE(vdiImpl_, HDF_FAILURE);
163
164 BufferHandle* buffer = handle->GetBufferHandle();
165 CHECK_NULLPOINTER_RETURN_VALUE(buffer, HDF_FAILURE);
166 int32_t ret = vdiImpl_->FlushCache(*buffer);
167 DISPLAY_CHK_RETURN(ret != HDF_SUCCESS, HDF_FAILURE, DISPLAY_LOGE(" fail"));
168 return ret;
169 }
170
InvalidateCache(const sptr<NativeBuffer> & handle)171 int32_t MapperService::InvalidateCache(const sptr<NativeBuffer>& handle)
172 {
173 DISPLAY_TRACE;
174 CHECK_NULLPOINTER_RETURN_VALUE(handle, HDF_FAILURE);
175 CHECK_NULLPOINTER_RETURN_VALUE(vdiImpl_, HDF_FAILURE);
176
177 BufferHandle* buffer = handle->GetBufferHandle();
178 CHECK_NULLPOINTER_RETURN_VALUE(buffer, HDF_FAILURE);
179 int32_t ret = vdiImpl_->InvalidateCache(*buffer);
180 DISPLAY_CHK_RETURN(ret != HDF_SUCCESS, HDF_FAILURE, DISPLAY_LOGE(" fail"));
181 return ret;
182 }
183
GetImageLayout(const sptr<NativeBuffer> & handle,V1_2::ImageLayout & layout)184 int32_t MapperService::GetImageLayout(const sptr<NativeBuffer>& handle, V1_2::ImageLayout& layout)
185 {
186 CHECK_NULLPOINTER_RETURN_VALUE(handle, HDF_FAILURE);
187 CHECK_NULLPOINTER_RETURN_VALUE(vdiImpl_, HDF_FAILURE);
188
189 BufferHandle* buffer = handle->GetBufferHandle();
190 CHECK_NULLPOINTER_RETURN_VALUE(buffer, HDF_FAILURE);
191 int32_t ret = vdiImpl_->GetImageLayout(*buffer, layout);
192 DISPLAY_CHK_RETURN(ret != HDF_SUCCESS, HDF_FAILURE, DISPLAY_LOGE(" fail"));
193 return ret;
194 }
195 } // namespace V1_2
196 } // namespace Buffer
197 } // namespace Display
198 } // namespace HDI
199 } // namespace OHOS
200