| 104 | LoadFunction(handle, symbol, /*optional*/ false)); |
| 105 | |
| 106 | const NnApi LoadNnApi() { |
| 107 | NnApi nnapi = {}; |
| 108 | nnapi.android_sdk_version = 0; |
| 109 | |
| 110 | #ifdef __ANDROID__ |
| 111 | nnapi.android_sdk_version = GetAndroidSdkVersion(); |
| 112 | if (nnapi.android_sdk_version < 27) { |
| 113 | NNAPI_LOG("nnapi error: requires android sdk version to be at least %d", |
| 114 | 27); |
| 115 | nnapi.nnapi_exists = false; |
| 116 | return nnapi; |
| 117 | } |
| 118 | #endif // __ANDROID__ |
| 119 | |
| 120 | void* libneuralnetworks = nullptr; |
| 121 | // TODO(b/123243014): change RTLD_LOCAL? Assumes there can be multiple |
| 122 | // instances of nn api RT |
| 123 | libneuralnetworks = dlopen("libneuralnetworks.so", RTLD_LAZY | RTLD_LOCAL); |
| 124 | if (libneuralnetworks == nullptr) { |
| 125 | NNAPI_LOG("nnapi error: unable to open library %s", "libneuralnetworks.so"); |
| 126 | } |
| 127 | |
| 128 | nnapi.nnapi_exists = libneuralnetworks != nullptr; |
| 129 | |
| 130 | // API 27 (NN 1.0) methods. |
| 131 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksMemory_createFromFd); |
| 132 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksMemory_free); |
| 133 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksModel_create); |
| 134 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksModel_free); |
| 135 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksModel_finish); |
| 136 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksModel_addOperand); |
| 137 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksModel_setOperandValue); |
| 138 | LOAD_FUNCTION_OPTIONAL( |
| 139 | libneuralnetworks, |
| 140 | ANeuralNetworksModel_setOperandSymmPerChannelQuantParams); |
| 141 | LOAD_FUNCTION(libneuralnetworks, |
| 142 | ANeuralNetworksModel_setOperandValueFromMemory); |
| 143 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksModel_addOperation); |
| 144 | LOAD_FUNCTION(libneuralnetworks, |
| 145 | ANeuralNetworksModel_identifyInputsAndOutputs); |
| 146 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksCompilation_create); |
| 147 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksCompilation_free); |
| 148 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksCompilation_setPreference); |
| 149 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksCompilation_finish); |
| 150 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksExecution_create); |
| 151 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksExecution_free); |
| 152 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksExecution_setInput); |
| 153 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksExecution_setInputFromMemory); |
| 154 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksExecution_setOutput); |
| 155 | LOAD_FUNCTION(libneuralnetworks, |
| 156 | ANeuralNetworksExecution_setOutputFromMemory); |
| 157 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksExecution_startCompute); |
| 158 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksEvent_wait); |
| 159 | LOAD_FUNCTION(libneuralnetworks, ANeuralNetworksEvent_free); |
| 160 | |
| 161 | // ASharedMemory_create has different implementations in Android depending on |
| 162 | // the partition. Generally it can be loaded from libandroid.so but in vendor |
| 163 | // partition (e.g. if a HAL wants to use NNAPI) it is only accessible through |
no test coverage detected