blob: 39cc4146d802c9295daa031834dac4f888cc36f3 [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 "include/private/SkSLDefines.h"
#include "src/sksl/SkSLContext.h"
#include "src/sksl/ir/SkSLConstructor.h"
#include "src/sksl/ir/SkSLExpression.h"
#include <memory>
namespace SkSL {
* 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 kExpressionKind = Kind::kConstructorDiagonalMatrix;
ConstructorDiagonalMatrix(int line, const Type& type, std::unique_ptr<Expression> arg)
: INHERITED(line, kExpressionKind, &type, std::move(arg))
, fZeroLiteral(line, /*value=*/0.0, &type.componentType()) {}
static std::unique_ptr<Expression> Make(const Context& context,
int line,
const Type& type,
std::unique_ptr<Expression> arg);
std::unique_ptr<Expression> clone() const override {
return std::make_unique<ConstructorDiagonalMatrix>(fLine, this->type(),
bool allowsConstantSubexpressions() const override { return true; }
const Expression* getConstantSubexpression(int n) const override;
const Literal fZeroLiteral;
using INHERITED = SingleArgumentConstructor;
} // namespace SkSL