/*
* Copyright 2021 Google LLC
*
* Use of this source code is governed by a BSD - style license that can be
* found in the LICENSE file .
*/
#ifndef SKSL_CONSTRUCTOR_COMPOUND
#define SKSL_CONSTRUCTOR_COMPOUND
#include "src/sksl/SkSLDefines.h"
#include "src/sksl/SkSLPosition.h"
#include "src/sksl/ir/SkSLConstructor.h"
#include "src/sksl/ir/SkSLExpression.h"
#include "src/sksl/ir/SkSLIRNode.h"
#include <memory>
#include <utility>
namespace SkSL {
class Context;
class Type;
/**
* Represents a vector or matrix that is composed from other expressions , such as
* ` half3 ( pos . xy , 1 ) ` or ` mat3 ( a . xyz , b . xyz , 0 , 0 , 1 ) `
*
* These can contain a mix of scalars and aggregates . The total number of scalar values inside the
* constructor must always match the type ' s slot count . ( e . g . ` pos . xy ` consumes two slots . )
* The inner values must have the same component type as the vector / matrix .
*/
class ConstructorCompound final : public MultiArgumentConstructor {
public :
inline static constexpr Kind kIRNodeKind = Kind::kConstructorCompound;
ConstructorCompound(Position pos, const Type& type, ExpressionArray args)
: INHERITED(pos, kIRNodeKind, &type, std::move(args)) {}
static std::unique_ptr<Expression> Make(const Context& context,
Position pos,
const Type& type,
ExpressionArray args);
static std::unique_ptr<Expression> MakeFromConstants(const Context& context,
Position pos,
const Type& type,
const double values[]);
std::unique_ptr<Expression> clone(Position pos) const override {
return std::make_unique<ConstructorCompound>(pos, this ->type(), this ->arguments().clone());
}
private :
using INHERITED = MultiArgumentConstructor;
};
} // namespace SkSL
#endif
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(vorverarbeitet am 2026-08-26)
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