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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/ml/webnn/ml_operand.h"
#include <functional>
#include "base/numerics/safe_conversions.h"
#include "base/types/expected_macros.h"
#include "services/webnn/public/cpp/graph_validation_utils.h"
#include "services/webnn/public/cpp/operand_descriptor.h"
#include "services/webnn/public/cpp/webnn_errors.h"
#include "third_party/blink/renderer/modules/ml/webnn/ml_constant_operand.h"
#include "third_party/blink/renderer/modules/ml/webnn/ml_graph_builder.h"
#include "third_party/blink/renderer/modules/ml/webnn/ml_graph_utils.h"
#include "third_party/blink/renderer/modules/ml/webnn/ml_operator.h"
namespace blink {
// static
base::expected<MLOperand*, String> MLOperand::ValidateAndCreateInput(
const webnn::ContextProperties& context_properties,
MLGraphBuilder* builder,
V8MLOperandDataType::Enum v8_data_type,
Vector<uint32_t> dimensions,
String name) {
if (name.empty()) {
return base::unexpected("The name is empty.");
}
const webnn::OperandDataType data_type = FromBlinkDataType(v8_data_type);
if (!context_properties.data_type_limits.input.Has(data_type)) {
return base::unexpected(String(webnn::NotSupportedInputTypeError(
name.Utf8(), data_type, context_properties.data_type_limits.input)));
}
ASSIGN_OR_RETURN(
webnn::OperandDescriptor descriptor,
webnn::OperandDescriptor::Create(
context_properties, data_type, dimensions,
webnn::GetErrorLabelPrefix(base::StrCat({"input ", name.Utf8()}))),
[](std::string error) { return String(error); });
auto* input = MakeGarbageCollected<MLOperand>(
builder, webnn::mojom::blink::Operand::Kind::kInput,
std::move(descriptor));
input->name_ = std::move(name);
return input;
}
// static
MLOperand* MLOperand::CreateOutput(MLGraphBuilder* builder,
webnn::OperandDescriptor descriptor,
MLOperator* ml_operator) {
CHECK(ml_operator);
auto* output = MakeGarbageCollected<MLOperand>(
builder, webnn::mojom::blink::Operand::Kind::kOutput,
std::move(descriptor));
output->operator_ = ml_operator;
return output;
}
MLOperand::MLOperand(MLGraphBuilder* builder,
webnn::mojom::blink::Operand::Kind kind,
webnn::OperandDescriptor descriptor)
: builder_(builder), kind_(kind), descriptor_(std::move(descriptor)) {}
MLOperand::~MLOperand() = default;
MLGraphBuilder* MLOperand::Builder() const {
return builder_.Get();
}
webnn::mojom::blink::Operand::Kind MLOperand::Kind() const {
return kind_;
}
const String& MLOperand::Name() const {
CHECK_EQ(kind_, webnn::mojom::blink::Operand::Kind::kInput);
return name_;
}
MLOperator* MLOperand::Operator() const {
CHECK_EQ(kind_, webnn::mojom::blink::Operand::Kind::kOutput);
return operator_.Get();
}
HeapHashSet<Member<MLOperator>>& MLOperand::DependentOperators() {
return dependent_operators_;
}
const webnn::OperandDescriptor& MLOperand::Descriptor() const {
return descriptor_;
}
webnn::OperandDataType MLOperand::DataType() const {
return descriptor_.data_type();
}
const std::vector<uint32_t>& MLOperand::Shape() const {
return descriptor_.shape();
}
size_t MLOperand::NumberOfElements() const {
return descriptor_.NumberOfElements();
}
size_t MLOperand::ByteLength() const {
return descriptor_.PackedByteLength();
}
wtf_size_t MLOperand::Rank() const {
static_assert(sizeof(descriptor_.Rank()) == sizeof(wtf_size_t));
return static_cast<wtf_size_t>(descriptor_.Rank());
}
Vector<uint32_t> MLOperand::shape() const {
return Vector<uint32_t>(descriptor_.shape());
}
V8MLOperandDataType MLOperand::dataType() const {
return ToBlinkDataType(descriptor_.data_type());
}
MLConstantOperand const* MLOperand::AsConstantOperand() const {
CHECK_EQ(kind_, webnn::mojom::blink::Operand::Kind::kConstant);
return static_cast<MLConstantOperand const*>(this);
}
void MLOperand::AddDependentOperator(MLOperator* ml_operator) {
dependent_operators_.insert(ml_operator);
}
void MLOperand::Trace(Visitor* visitor) const {
visitor->Trace(builder_);
visitor->Trace(operator_);
visitor->Trace(dependent_operators_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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