119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_FRAMEWORKS_ML_NN_RUNTIME_MODEL_ARGUMENT_INFO_H
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#define ANDROID_FRAMEWORKS_ML_NN_RUNTIME_MODEL_ARGUMENT_INFO_H
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#include <utility>
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#include <vector>
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#include "HalInterfaces.h"
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#include "NeuralNetworks.h"
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#include "Utils.h"
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namespace android {
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namespace nn {
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// TODO move length out of DataLocation
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//
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// NOTE: The primary usage pattern is that a ModelArgumentInfo instance
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// is not modified once it is created (unless it is reassigned to).
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// There are a small number of use cases where it NEEDS to be modified,
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// and we have a limited number of methods that support this.
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class ModelArgumentInfo {
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public:
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ModelArgumentInfo() {}
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static std::pair<int, ModelArgumentInfo> createFromPointer(
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const hal::Operand& operand, const ANeuralNetworksOperandType* type,
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void* data /* nullptr means HAS_NO_VALUE */, uint32_t length);
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static std::pair<int, ModelArgumentInfo> createFromMemory(
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const hal::Operand& operand, const ANeuralNetworksOperandType* type, uint32_t poolIndex,
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uint32_t offset, uint32_t length);
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enum State { POINTER, MEMORY, HAS_NO_VALUE, UNSPECIFIED };
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State state() const { return mState; }
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bool unspecified() const { return mState == UNSPECIFIED; }
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void* buffer() const {
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CHECK_EQ(mState, POINTER);
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return mBuffer;
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}
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const std::vector<uint32_t>& dimensions() const {
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CHECK(mState == POINTER || mState == MEMORY);
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return mDimensions;
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}
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std::vector<uint32_t>& dimensions() {
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CHECK(mState == POINTER || mState == MEMORY);
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return mDimensions;
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}
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bool isSufficient() const {
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CHECK(mState == POINTER || mState == MEMORY);
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return mIsSufficient;
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}
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bool& isSufficient() {
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CHECK(mState == POINTER || mState == MEMORY);
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return mIsSufficient;
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}
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uint32_t length() const {
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CHECK(mState == POINTER || mState == MEMORY);
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return mLocationAndLength.length;
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}
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const hal::DataLocation& locationAndLength() const {
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CHECK_EQ(mState, MEMORY);
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return mLocationAndLength;
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}
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hal::DataLocation& locationAndLength() {
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CHECK_EQ(mState, MEMORY);
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return mLocationAndLength;
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}
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private:
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int updateDimensionInfo(const hal::Operand& operand, const ANeuralNetworksOperandType* newType);
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// Whether the argument was specified as being in a Memory, as a pointer,
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// has no value, or has not been specified.
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// If POINTER then:
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// mLocationAndLength.length is valid.
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// mDimensions is valid.
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// mBuffer is valid.
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// If MEMORY then:
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// mLocationAndLength.{poolIndex, offset, length} is valid.
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// mDimensions is valid.
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State mState = UNSPECIFIED; // fixed at creation
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void* mBuffer = nullptr; // fixed at creation
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hal::DataLocation mLocationAndLength; // can be updated after creation
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std::vector<uint32_t> mDimensions; // can be updated after creation
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bool mIsSufficient = true; // can be updated after creation
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};
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// Convert ModelArgumentInfo to HIDL RequestArgument. For pointer arguments, use the location
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// information in ptrArgsLocations.
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hal::hidl_vec<hal::RequestArgument> createRequestArguments(
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const std::vector<ModelArgumentInfo>& argumentInfos,
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const std::vector<hal::DataLocation>& ptrArgsLocations);
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} // namespace nn
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} // namespace android
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#endif // ANDROID_FRAMEWORKS_ML_NN_RUNTIME_MODEL_ARGUMENT_INFO_H
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