blob: e1eb692a35fb78dea893e9bc87f3c77a114aead9 [file] [log] [blame]
* Copyright 2021 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#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 <optional>
#include <utility>
namespace SkSL {
class Context;
class Type;
* Represents the construction of a diagonal matrix, such as `half3x3(n)`.
* These always contain exactly 1 scalar.
class ConstructorDiagonalMatrix final : public SingleArgumentConstructor {
inline static constexpr Kind kIRNodeKind = Kind::kConstructorDiagonalMatrix;
ConstructorDiagonalMatrix(Position pos, const Type& type, std::unique_ptr<Expression> arg)
: INHERITED(pos, kIRNodeKind, &type, std::move(arg)) {}
static std::unique_ptr<Expression> Make(const Context& context,
Position pos,
const Type& type,
std::unique_ptr<Expression> arg);
std::unique_ptr<Expression> clone(Position pos) const override {
return std::make_unique<ConstructorDiagonalMatrix>(pos, this->type(), argument()->clone());
bool supportsConstantValues() const override { return true; }
std::optional<double> getConstantValue(int n) const override;
using INHERITED = SingleArgumentConstructor;
} // namespace SkSL