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-rw-r--r--runtimes/nn/runtime/NeuralNetworks.cpp489
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diff --git a/runtimes/nn/runtime/NeuralNetworks.cpp b/runtimes/nn/runtime/NeuralNetworks.cpp
new file mode 100644
index 000000000..6ef2c91bc
--- /dev/null
+++ b/runtimes/nn/runtime/NeuralNetworks.cpp
@@ -0,0 +1,489 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Contains all the entry points to the C Neural Networks API.
+// We do basic validation of the operands and then call the class
+// that implements the functionality.
+
+#include "NeuralNetworks.h"
+#include "Callbacks.h"
+#if 0 // TODO-NNRT : If we consider OEM operations, it will enable.
+#include "NeuralNetworksOEM.h"
+#endif
+#include "CompilationBuilder.h"
+#include "ExecutionBuilder.h"
+#include "ModelBuilder.h"
+#include "Memory.h"
+
+#include <memory>
+
+// Make sure the constants defined in the header files have not changed values.
+// IMPORTANT: When adding new values, update kNumberOfDataTypes or kNumberOfDataTypesOEM
+// in Utils.h.
+static_assert(ANEURALNETWORKS_FLOAT32 == 0, "ANEURALNETWORKS_FLOAT32 has changed");
+static_assert(ANEURALNETWORKS_INT32 == 1, "ANEURALNETWORKS_INT32 has changed");
+static_assert(ANEURALNETWORKS_UINT32 == 2, "ANEURALNETWORKS_UINT32 has changed");
+static_assert(ANEURALNETWORKS_TENSOR_FLOAT32 == 3,
+ "ANEURALNETWORKS_TENSOR_FLOAT32 has changed");
+static_assert(ANEURALNETWORKS_TENSOR_INT32 == 4, "ANEURALNETWORKS_TENSOR_INT32 has changed");
+static_assert(ANEURALNETWORKS_TENSOR_QUANT8_ASYMM == 5,
+ "ANEURALNETWORKS_TENSOR_QUANT8_ASYMM has changed");
+#if 0 // TODO-NNRT : If we consider OEM operations, it will enable.
+static_assert(ANEURALNETWORKS_OEM_SCALAR == 10000, "ANEURALNETWORKS_OEM_SCALAR has changed");
+static_assert(ANEURALNETWORKS_TENSOR_OEM_BYTE == 10001,
+ "ANEURALNETWORKS_TENSOR_OEM_BYTE has changed");
+#endif
+// IMPORTANT: When adding new values, update kNumberOfOperationTypes or
+// kNumberOfOperationTypesOEMin Utils.h.
+static_assert(ANEURALNETWORKS_ADD == 0, "ANEURALNETWORKS_ADD has changed");
+static_assert(ANEURALNETWORKS_AVERAGE_POOL_2D == 1,
+ "ANEURALNETWORKS_AVERAGE_POOL_2D has changed");
+static_assert(ANEURALNETWORKS_CONCATENATION == 2, "ANEURALNETWORKS_CONCATENATION has changed");
+static_assert(ANEURALNETWORKS_CONV_2D == 3, "ANEURALNETWORKS_CONV_2D has changed");
+static_assert(ANEURALNETWORKS_DEPTHWISE_CONV_2D == 4,
+ "ANEURALNETWORKS_DEPTHWISE_CONV_2D has changed");
+static_assert(ANEURALNETWORKS_DEPTH_TO_SPACE == 5,
+ "ANEURALNETWORKS_DEPTH_TO_SPACE has changed");
+static_assert(ANEURALNETWORKS_DEQUANTIZE == 6, "ANEURALNETWORKS_DEQUANTIZE has changed");
+static_assert(ANEURALNETWORKS_EMBEDDING_LOOKUP == 7,
+ "ANEURALNETWORKS_EMBEDDING_LOOKUP has changed");
+static_assert(ANEURALNETWORKS_FLOOR == 8, "ANEURALNETWORKS_FLOOR has changed");
+static_assert(ANEURALNETWORKS_FULLY_CONNECTED == 9,
+ "ANEURALNETWORKS_FULLY_CONNECTED has changed");
+static_assert(ANEURALNETWORKS_HASHTABLE_LOOKUP == 10,
+ "ANEURALNETWORKS_HASHTABLE_LOOKUP has changed");
+static_assert(ANEURALNETWORKS_L2_NORMALIZATION == 11,
+ "ANEURALNETWORKS_L2_NORMALIZATION has changed");
+static_assert(ANEURALNETWORKS_L2_POOL_2D == 12, "ANEURALNETWORKS_L2_POOL has changed");
+static_assert(ANEURALNETWORKS_LOCAL_RESPONSE_NORMALIZATION == 13,
+ "ANEURALNETWORKS_LOCAL_RESPONSE_NORMALIZATION has changed");
+static_assert(ANEURALNETWORKS_LOGISTIC == 14, "ANEURALNETWORKS_LOGISTIC has changed");
+static_assert(ANEURALNETWORKS_LSH_PROJECTION == 15,
+ "ANEURALNETWORKS_LSH_PROJECTION has changed");
+static_assert(ANEURALNETWORKS_LSTM == 16, "ANEURALNETWORKS_LSTM has changed");
+static_assert(ANEURALNETWORKS_MAX_POOL_2D == 17, "ANEURALNETWORKS_MAX_POOL has changed");
+static_assert(ANEURALNETWORKS_MUL == 18, "ANEURALNETWORKS_MUL has changed");
+static_assert(ANEURALNETWORKS_RELU == 19, "ANEURALNETWORKS_RELU has changed");
+static_assert(ANEURALNETWORKS_RELU1 == 20, "ANEURALNETWORKS_RELU1 has changed");
+static_assert(ANEURALNETWORKS_RELU6 == 21, "ANEURALNETWORKS_RELU6 has changed");
+static_assert(ANEURALNETWORKS_RESHAPE == 22, "ANEURALNETWORKS_RESHAPE has changed");
+static_assert(ANEURALNETWORKS_RESIZE_BILINEAR == 23,
+ "ANEURALNETWORKS_RESIZE_BILINEAR has changed");
+static_assert(ANEURALNETWORKS_RNN == 24, "ANEURALNETWORKS_RNN has changed");
+static_assert(ANEURALNETWORKS_SOFTMAX == 25, "ANEURALNETWORKS_SOFTMAX has changed");
+static_assert(ANEURALNETWORKS_SPACE_TO_DEPTH == 26,
+ "ANEURALNETWORKS_SPACE_TO_DEPTH has changed");
+static_assert(ANEURALNETWORKS_SVDF == 27, "ANEURALNETWORKS_SVDF has changed");
+static_assert(ANEURALNETWORKS_TANH == 28, "ANEURALNETWORKS_TANH has changed");
+#if 0 // TODO-NNRT : If we consider OEM operations, it will enable.
+static_assert(ANEURALNETWORKS_OEM_OPERATION == 10000,
+ "ANEURALNETWORKS_OEM_OPERATION has changed");
+#endif
+static_assert(ANEURALNETWORKS_FUSED_NONE == 0, "ANEURALNETWORKS_FUSED_NONE has changed");
+static_assert(ANEURALNETWORKS_FUSED_RELU == 1, "ANEURALNETWORKS_FUSED_RELU has changed");
+static_assert(ANEURALNETWORKS_FUSED_RELU1 == 2, "ANEURALNETWORKS_FUSED_RELU1 has changed");
+static_assert(ANEURALNETWORKS_FUSED_RELU6 == 3, "ANEURALNETWORKS_FUSED_RELU6 has changed");
+
+static_assert(ANEURALNETWORKS_PREFER_LOW_POWER == 0,
+ "ANEURALNETWORKS_PREFER_LOW_POWER has changed");
+static_assert(ANEURALNETWORKS_PREFER_FAST_SINGLE_ANSWER == 1,
+ "ANEURALNETWORKS_PREFER_FAST_SINGLE_ANSWER has changed");
+static_assert(ANEURALNETWORKS_PREFER_SUSTAINED_SPEED == 2,
+ "ANEURALNETWORKS_PREFER_SUSTAINED_SPEED has changed");
+
+static_assert(ANEURALNETWORKS_NO_ERROR == 0, "ANEURALNETWORKS_NO_ERROR has changed");
+static_assert(ANEURALNETWORKS_OUT_OF_MEMORY == 1, "ANEURALNETWORKS_OUT_OF_MEMORY has changed");
+static_assert(ANEURALNETWORKS_INCOMPLETE == 2, "ANEURALNETWORKS_INCOMPLETE has changed");
+static_assert(ANEURALNETWORKS_UNEXPECTED_NULL == 3,
+ "ANEURALNETWORKS_UNEXPECTED_NULL has changed");
+static_assert(ANEURALNETWORKS_BAD_DATA == 4, "ANEURALNETWORKS_BAD_DATA has changed");
+static_assert(ANEURALNETWORKS_OP_FAILED == 5, "ANEURALNETWORKS_OP_FAILED has changed");
+static_assert(ANEURALNETWORKS_BAD_STATE == 6, "ANEURALNETWORKS_BAD_STATE has changed");
+
+static_assert(ANEURALNETWORKS_MAX_SIZE_OF_IMMEDIATELY_COPIED_VALUES == 128,
+ "ANEURALNETWORKS_MAX_SIZE_OF_IMMEDIATELY_COPIED_VALUES has changed");
+
+// Make sure that the constants are compatible with the values defined in
+// hardware/interfaces/neuralnetworks/1.0/types.hal.
+#if 0 // TODO-NNRT : If we consider OEM operations, it will enable.
+static_assert(static_cast<int32_t>(OperandType::OEM) == ANEURALNETWORKS_OEM_SCALAR,
+ "OEM != ANEURALNETWORKS_OEM");
+#endif
+static_assert(static_cast<int32_t>(OperandType::FLOAT32) == ANEURALNETWORKS_FLOAT32,
+ "FLOAT32 != ANEURALNETWORKS_FLOAT32");
+static_assert(static_cast<int32_t>(OperandType::INT32) == ANEURALNETWORKS_INT32,
+ "INT32 != ANEURALNETWORKS_INT32");
+static_assert(static_cast<int32_t>(OperandType::UINT32) == ANEURALNETWORKS_UINT32,
+ "UINT32 != ANEURALNETWORKS_UINT32");
+#if 0 // TODO-NNRT : If we consider OEM operations, it will enable.
+static_assert(static_cast<int32_t>(OperandType::TENSOR_OEM_BYTE) == ANEURALNETWORKS_TENSOR_OEM_BYTE,
+ "TENSOR_OEM_BYTE != ANEURALNETWORKS_TENSOR_OEM_BYTE");
+#endif
+static_assert(static_cast<int32_t>(OperandType::TENSOR_FLOAT32) == ANEURALNETWORKS_TENSOR_FLOAT32,
+ "TENSOR_FLOAT32 != ANEURALNETWORKS_TENSOR_FLOAT32");
+static_assert(static_cast<int32_t>(OperandType::TENSOR_QUANT8_ASYMM) ==
+ ANEURALNETWORKS_TENSOR_QUANT8_ASYMM,
+ "TENSOR_QUANT8_ASYMM != ANEURALNETWORKS_TENSOR_QUANT8_ASYMM");
+
+static_assert(static_cast<int32_t>(OperationType::ADD) == ANEURALNETWORKS_ADD,
+ "OperationType::ADD != ANEURALNETWORKS_ADD");
+static_assert(static_cast<int32_t>(OperationType::AVERAGE_POOL_2D) ==
+ ANEURALNETWORKS_AVERAGE_POOL_2D,
+ "OperationType::AVERAGE_POOL_2D != ANEURALNETWORKS_AVERAGE_POOL_2D");
+static_assert(static_cast<int32_t>(OperationType::CONV_2D) == ANEURALNETWORKS_CONV_2D,
+ "OperationType::CONV_2D != ANEURALNETWORKS_CONV_2D");
+static_assert(static_cast<int32_t>(OperationType::DEPTHWISE_CONV_2D) ==
+ ANEURALNETWORKS_DEPTHWISE_CONV_2D,
+ "OperationType::DEPTHWISE_CONV_2D != ANEURALNETWORKS_DEPTHWISE_CONV_2D");
+static_assert(static_cast<int32_t>(OperationType::DEPTH_TO_SPACE) ==
+ ANEURALNETWORKS_DEPTH_TO_SPACE,
+ "OperationType::DEPTH_TO_SPACE != ANEURALNETWORKS_DEPTH_TO_SPACE");
+static_assert(static_cast<int32_t>(OperationType::DEQUANTIZE) == ANEURALNETWORKS_DEQUANTIZE,
+ "OperationType::DEQUANTIZE != ANEURALNETWORKS_DEQUANTIZE");
+static_assert(static_cast<int32_t>(OperationType::EMBEDDING_LOOKUP) ==
+ ANEURALNETWORKS_EMBEDDING_LOOKUP,
+ "OperationType::EMBEDDING_LOOKUP != ANEURALNETWORKS_EMBEDDING_LOOKUP");
+static_assert(static_cast<int32_t>(OperationType::FLOOR) == ANEURALNETWORKS_FLOOR,
+ "OperationType::FLOOR != ANEURALNETWORKS_FLOOR");
+static_assert(static_cast<int32_t>(OperationType::FULLY_CONNECTED) ==
+ ANEURALNETWORKS_FULLY_CONNECTED,
+ "OperationType::FULLY_CONNECTED != ANEURALNETWORKS_FULLY_CONNECTED");
+static_assert(static_cast<int32_t>(OperationType::HASHTABLE_LOOKUP) ==
+ ANEURALNETWORKS_HASHTABLE_LOOKUP,
+ "OperationType::HASHTABLE_LOOKUP != ANEURALNETWORKS_HASHTABLE_LOOKUP");
+static_assert(static_cast<int32_t>(OperationType::L2_NORMALIZATION) ==
+ ANEURALNETWORKS_L2_NORMALIZATION,
+ "OperationType::L2_NORMALIZATION != ANEURALNETWORKS_L2_NORMALIZATION");
+static_assert(static_cast<int32_t>(OperationType::L2_POOL_2D) == ANEURALNETWORKS_L2_POOL_2D,
+ "OperationType::L2_POOL_2D != ANEURALNETWORKS_L2_POOL_2D");
+static_assert(static_cast<int32_t>(OperationType::LOCAL_RESPONSE_NORMALIZATION) ==
+ ANEURALNETWORKS_LOCAL_RESPONSE_NORMALIZATION,
+ "OperationType::LOCAL_RESPONSE_NORMALIZATION != "
+ "ANEURALNETWORKS_LOCAL_RESPONSE_NORMALIZATION");
+static_assert(static_cast<int32_t>(OperationType::LOGISTIC) == ANEURALNETWORKS_LOGISTIC,
+ "OperationType::LOGISTIC != ANEURALNETWORKS_LOGISTIC");
+static_assert(static_cast<int32_t>(OperationType::LSH_PROJECTION) ==
+ ANEURALNETWORKS_LSH_PROJECTION,
+ "OperationType::LSH_PROJECTION != ANEURALNETWORKS_LSH_PROJECTION");
+static_assert(static_cast<int32_t>(OperationType::LSTM) == ANEURALNETWORKS_LSTM,
+ "OperationType::LSTM != ANEURALNETWORKS_LSTM");
+static_assert(static_cast<int32_t>(OperationType::MAX_POOL_2D) == ANEURALNETWORKS_MAX_POOL_2D,
+ "OperationType::MAX_POOL_2D != ANEURALNETWORKS_MAX_POOL_2D");
+static_assert(static_cast<int32_t>(OperationType::MUL) == ANEURALNETWORKS_MUL,
+ "OperationType::MUL != ANEURALNETWORKS_MUL");
+static_assert(static_cast<int32_t>(OperationType::RELU) == ANEURALNETWORKS_RELU,
+ "OperationType::RELU != ANEURALNETWORKS_RELU");
+static_assert(static_cast<int32_t>(OperationType::RELU1) == ANEURALNETWORKS_RELU1,
+ "OperationType::RELU1 != ANEURALNETWORKS_RELU1");
+static_assert(static_cast<int32_t>(OperationType::RELU6) == ANEURALNETWORKS_RELU6,
+ "OperationType::RELU6 != ANEURALNETWORKS_RELU6");
+static_assert(static_cast<int32_t>(OperationType::RESHAPE) == ANEURALNETWORKS_RESHAPE,
+ "OperationType::RESHAPE != ANEURALNETWORKS_RESHAPE");
+static_assert(static_cast<int32_t>(OperationType::RESIZE_BILINEAR) ==
+ ANEURALNETWORKS_RESIZE_BILINEAR,
+ "OperationType::RESIZE_BILINEAR != ANEURALNETWORKS_RESIZE_BILINEAR");
+static_assert(static_cast<int32_t>(OperationType::RNN) == ANEURALNETWORKS_RNN,
+ "OperationType::RNN != ANEURALNETWORKS_RNN");
+static_assert(static_cast<int32_t>(OperationType::SOFTMAX) == ANEURALNETWORKS_SOFTMAX,
+ "OperationType::SOFTMAX != ANEURALNETWORKS_SOFTMAX");
+static_assert(static_cast<int32_t>(OperationType::SPACE_TO_DEPTH) ==
+ ANEURALNETWORKS_SPACE_TO_DEPTH,
+ "OperationType::SPACE_TO_DEPTH != ANEURALNETWORKS_SPACE_TO_DEPTH");
+static_assert(static_cast<int32_t>(OperationType::SVDF) == ANEURALNETWORKS_SVDF,
+ "OperationType::SVDF != ANEURALNETWORKS_SVDF");
+static_assert(static_cast<int32_t>(OperationType::TANH) == ANEURALNETWORKS_TANH,
+ "OperationType::TANH != ANEURALNETWORKS_TANH");
+
+static_assert(static_cast<int32_t>(FusedActivationFunc::NONE) == ANEURALNETWORKS_FUSED_NONE,
+ "FusedActivationFunc::NONE != ANEURALNETWORKS_FUSED_NONE");
+static_assert(static_cast<int32_t>(FusedActivationFunc::RELU) == ANEURALNETWORKS_FUSED_RELU,
+ "FusedActivationFunc::RELU != ANEURALNETWORKS_FUSED_RELU");
+static_assert(static_cast<int32_t>(FusedActivationFunc::RELU1) == ANEURALNETWORKS_FUSED_RELU1,
+ "FusedActivationFunc::RELU1 != ANEURALNETWORKS_FUSED_RELU1");
+static_assert(static_cast<int32_t>(FusedActivationFunc::RELU6) == ANEURALNETWORKS_FUSED_RELU6,
+ "FusedActivationFunc::RELU6 != ANEURALNETWORKS_FUSED_RELU6");
+
+using android::sp;
+using namespace nnfw::rt;
+
+int ANeuralNetworksMemory_createFromFd(size_t size, int prot, int fd, size_t offset,
+ ANeuralNetworksMemory** memory) {
+ *memory = nullptr;
+ std::unique_ptr<MemoryFd> m = std::make_unique<MemoryFd>();
+ if (m == nullptr) {
+ return ANEURALNETWORKS_OUT_OF_MEMORY;
+ }
+ int n = m->set(size, prot, fd, offset);
+ if (n != ANEURALNETWORKS_NO_ERROR) {
+ return n;
+ }
+ *memory = reinterpret_cast<ANeuralNetworksMemory*>(m.release());
+ return ANEURALNETWORKS_NO_ERROR;
+}
+
+void ANeuralNetworksMemory_free(ANeuralNetworksMemory* memory) {
+ // No validation. Free of nullptr is valid.
+ Memory* m = reinterpret_cast<Memory*>(memory);
+ delete m;
+}
+
+int ANeuralNetworksModel_create(ANeuralNetworksModel** model) {
+ if (!model) {
+ LOG(ERROR) << "ANeuralNetworksModel_create passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ModelBuilder* m = new ModelBuilder();
+ if (m == nullptr) {
+ *model = nullptr;
+ return ANEURALNETWORKS_OUT_OF_MEMORY;
+ }
+ *model = reinterpret_cast<ANeuralNetworksModel*>(m);
+ return ANEURALNETWORKS_NO_ERROR;
+}
+
+void ANeuralNetworksModel_free(ANeuralNetworksModel* model) {
+ // No validation. Free of nullptr is valid.
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ delete m;
+}
+
+int ANeuralNetworksModel_finish(ANeuralNetworksModel* model) {
+ if (!model) {
+ LOG(ERROR) << "ANeuralNetworksModel_finish passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ return m->finish();
+}
+
+int ANeuralNetworksModel_addOperand(ANeuralNetworksModel* model,
+ const ANeuralNetworksOperandType* type) {
+ if (!model || !type) {
+ LOG(ERROR) << "ANeuralNetworksModel_addOperand passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ return m->addOperand(*type);
+}
+
+int ANeuralNetworksModel_setOperandValue(ANeuralNetworksModel* model, int32_t index,
+ const void* buffer, size_t length) {
+ if (!model || !buffer) {
+ LOG(ERROR) << "ANeuralNetworksModel_setOperandValue passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ return m->setOperandValue(index, buffer, length);
+}
+
+int ANeuralNetworksModel_setOperandValueFromMemory(ANeuralNetworksModel* model, int32_t index,
+ const ANeuralNetworksMemory* memory,
+ size_t offset, size_t length) {
+ if (!model || !memory) {
+ LOG(ERROR) << "ANeuralNetworksModel_setOperandValue passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ const Memory* mem = reinterpret_cast<const Memory*>(memory);
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ return m->setOperandValueFromMemory(index, mem, offset, length);
+}
+
+int ANeuralNetworksModel_addOperation(ANeuralNetworksModel* model,
+ ANeuralNetworksOperationType type, uint32_t inputCount,
+ const uint32_t* inputs, uint32_t outputCount,
+ const uint32_t* outputs) {
+ if (!model || !inputs || !outputs) {
+ LOG(ERROR) << "ANeuralNetworksModel_addOperation passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ return m->addOperation(type, inputCount, inputs, outputCount, outputs);
+}
+
+int ANeuralNetworksModel_identifyInputsAndOutputs(ANeuralNetworksModel* model, uint32_t inputCount,
+ const uint32_t* inputs, uint32_t outputCount,
+ const uint32_t* outputs) {
+ if (!model || !inputs || !outputs) {
+ LOG(ERROR) << ("ANeuralNetworksModel_identifyInputsAndOutputs passed a nullptr");
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ return m->identifyInputsAndOutputs(inputCount, inputs, outputCount, outputs);
+}
+
+int ANeuralNetworksCompilation_create(ANeuralNetworksModel* model,
+ ANeuralNetworksCompilation** compilation) {
+ if (!model || !compilation) {
+ LOG(ERROR) << "ANeuralNetworksCompilation_create passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+
+ ModelBuilder* m = reinterpret_cast<ModelBuilder*>(model);
+ CompilationBuilder* c = nullptr;
+ int result = m->createCompilation(&c);
+ *compilation = reinterpret_cast<ANeuralNetworksCompilation*>(c);
+ return result;
+}
+
+void ANeuralNetworksCompilation_free(ANeuralNetworksCompilation* compilation) {
+ // No validation. Free of nullptr is valid.
+ // TODO specification says that a compilation-in-flight can be deleted
+ CompilationBuilder* c = reinterpret_cast<CompilationBuilder*>(compilation);
+ delete c;
+}
+
+int ANeuralNetworksCompilation_setPreference(ANeuralNetworksCompilation* compilation,
+ int32_t preference) {
+ if (!compilation) {
+ LOG(ERROR) << "ANeuralNetworksCompilation_setPreference passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ CompilationBuilder* c = reinterpret_cast<CompilationBuilder*>(compilation);
+ return c->setPreference(preference);
+}
+
+int ANeuralNetworksCompilation_finish(ANeuralNetworksCompilation* compilation) {
+ if (!compilation) {
+ LOG(ERROR) << "ANeuralNetworksCompilation_finish passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ CompilationBuilder* c = reinterpret_cast<CompilationBuilder*>(compilation);
+ return c->finish();
+}
+
+int ANeuralNetworksExecution_create(ANeuralNetworksCompilation* compilation,
+ ANeuralNetworksExecution** execution) {
+ if (!compilation || !execution) {
+ LOG(ERROR) << "ANeuralNetworksExecution_create passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+
+ CompilationBuilder* c = reinterpret_cast<CompilationBuilder*>(compilation);
+ ExecutionBuilder* r = nullptr;
+ int result = c->createExecution(&r);
+ *execution = reinterpret_cast<ANeuralNetworksExecution*>(r);
+ return result;
+}
+
+void ANeuralNetworksExecution_free(ANeuralNetworksExecution* execution) {
+ // TODO specification says that an execution-in-flight can be deleted
+ // No validation. Free of nullptr is valid.
+ ExecutionBuilder* r = reinterpret_cast<ExecutionBuilder*>(execution);
+ delete r;
+}
+
+int ANeuralNetworksExecution_setInput(ANeuralNetworksExecution* execution, int32_t index,
+ const ANeuralNetworksOperandType* type, const void* buffer,
+ size_t length) {
+ if (!execution) {
+ LOG(ERROR) << "ANeuralNetworksExecution_setInput passed execution with a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ if (!buffer && length != 0) {
+ LOG(ERROR) << "ANeuralNetworksExecution_setInput passed buffer with a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+
+ ExecutionBuilder* r = reinterpret_cast<ExecutionBuilder*>(execution);
+ return r->setInput(index, type, buffer, length);
+}
+
+int ANeuralNetworksExecution_setInputFromMemory(ANeuralNetworksExecution* execution, int32_t index,
+ const ANeuralNetworksOperandType* type,
+ const ANeuralNetworksMemory* memory, size_t offset,
+ size_t length) {
+ if (!execution || !memory) {
+ LOG(ERROR) << "ANeuralNetworksExecution_setInputFromMemory passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+
+ const Memory* m = reinterpret_cast<const Memory*>(memory);
+ ExecutionBuilder* r = reinterpret_cast<ExecutionBuilder*>(execution);
+ return r->setInputFromMemory(index, type, m, offset, length);
+}
+
+int ANeuralNetworksExecution_setOutput(ANeuralNetworksExecution* execution, int32_t index,
+ const ANeuralNetworksOperandType* type, void* buffer,
+ size_t length) {
+ if (!execution || !buffer) {
+ LOG(ERROR) << "ANeuralNetworksExecution_setOutput passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ ExecutionBuilder* r = reinterpret_cast<ExecutionBuilder*>(execution);
+ return r->setOutput(index, type, buffer, length);
+}
+
+int ANeuralNetworksExecution_setOutputFromMemory(ANeuralNetworksExecution* execution, int32_t index,
+ const ANeuralNetworksOperandType* type,
+ const ANeuralNetworksMemory* memory, size_t offset,
+ size_t length) {
+ if (!execution || !memory) {
+ LOG(ERROR) << "ANeuralNetworksExecution_setOutputFromMemory passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+
+ ExecutionBuilder* r = reinterpret_cast<ExecutionBuilder*>(execution);
+ const Memory* m = reinterpret_cast<const Memory*>(memory);
+ return r->setOutputFromMemory(index, type, m, offset, length);
+}
+
+int ANeuralNetworksExecution_startCompute(ANeuralNetworksExecution* execution,
+ ANeuralNetworksEvent** event) {
+ if (!execution || !event) {
+ LOG(ERROR) << "ANeuralNetworksExecution_startCompute passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+ // TODO validate the rest
+
+ ExecutionBuilder* r = reinterpret_cast<ExecutionBuilder*>(execution);
+
+ // Dynamically allocate an sp to wrap an ExecutionCallback, seen in the NN
+ // API as an abstract event object. The sp<ExecutionCallback> object is
+ // returned when the execution has been successfully launched, otherwise a
+ // nullptr is returned. The sp is used for ref-counting purposes. Without
+ // it, the HIDL service could attempt to communicate with a dead callback
+ // object.
+ std::unique_ptr<sp<ExecutionCallback>> e = std::make_unique<sp<ExecutionCallback>>();
+ *event = nullptr;
+
+ int n = r->startCompute(e.get());
+ if (n != ANEURALNETWORKS_NO_ERROR) {
+ return n;
+ }
+ *event = reinterpret_cast<ANeuralNetworksEvent*>(e.release());
+ return ANEURALNETWORKS_NO_ERROR;
+}
+
+int ANeuralNetworksEvent_wait(ANeuralNetworksEvent* event) {
+ if (event == nullptr) {
+ LOG(ERROR) << "ANeuralNetworksEvent_wait passed a nullptr";
+ return ANEURALNETWORKS_UNEXPECTED_NULL;
+ }
+
+ sp<ExecutionCallback>* e = reinterpret_cast<sp<ExecutionCallback>*>(event);
+ (*e)->wait();
+ return ANEURALNETWORKS_NO_ERROR;
+}
+
+void ANeuralNetworksEvent_free(ANeuralNetworksEvent* event) {
+ // No validation. Free of nullptr is valid.
+ if (event) {
+ sp<ExecutionCallback>* e = reinterpret_cast<sp<ExecutionCallback>*>(event);
+ (*e)->wait();
+ delete e;
+ }
+}