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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DOM_TENSOR_H_
#define DOM_TENSOR_H_
#include "js/TypeDecls.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/ONNXBinding.h"
#include "mozilla/dom/onnxruntime_c_api.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIGlobalObject.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
class Promise;
class Tensor final : public nsISupports, public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(Tensor)
public:
// Used when created from js using a regular js array, containing numbers.
Tensor(const GlobalObject& global, const nsACString& type,
const nsTArray<uint8_t>& data, const Sequence<int32_t>& dims);
// Used when created from JS, e.g. input tensor, with a type array (it can be
// of any type)
Tensor(const GlobalObject& global, const nsACString& type,
const ArrayBufferView& data, const Sequence<int32_t>& dims);
// Used when created from C++, e.g. output tensor
Tensor(const GlobalObject& aGlobal, ONNXTensorElementDataType aType,
nsTArray<uint8_t> aData, nsTArray<int64_t> aDims);
static already_AddRefed<Tensor> Constructor(
const GlobalObject& global, const nsACString& type,
const ArrayBufferViewOrAnySequence& data, const Sequence<int32_t>& dims,
ErrorResult& aRv);
protected:
~Tensor() = default;
public:
nsIGlobalObject* GetParentObject() const { return mGlobal; };
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
void GetDims(nsTArray<int32_t>& aRetVal);
void SetDims(const nsTArray<int32_t>& aVal);
void GetType(nsCString& aRetVal) const;
void GetData(JSContext* cx, JS::MutableHandle<JSObject*> aRetVal) const;
TensorDataLocation Location() const;
already_AddRefed<Promise> GetData(const Optional<bool>& releaseData);
void Dispose();
uint8_t* Data() { return mData.Elements(); }
size_t Size() { return mData.Length(); }
int32_t* Dims() { return mDims.Elements(); }
size_t DimsSize() { return mDims.Length(); }
ONNXTensorElementDataType Type() const;
nsCString TypeString() const;
nsLiteralCString ONNXTypeToString(ONNXTensorElementDataType aType) const;
nsCString ToString() const;
static ONNXTensorElementDataType StringToONNXDataType(
const nsACString& aString);
static size_t DataTypeSize(ONNXTensorElementDataType aType);
private:
nsCOMPtr<nsIGlobalObject> mGlobal;
nsCString mType;
nsTArray<uint8_t> mData;
nsTArray<int32_t> mDims;
};
} // namespace mozilla::dom
#endif // DOM_TENSOR_H_
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