| /* |
| * 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 "include/private/SkSLDefines.h" |
| #include "include/sksl/SkSLPosition.h" |
| #include "src/sksl/ir/SkSLConstructor.h" |
| #include "src/sksl/ir/SkSLExpression.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 kExpressionKind = Kind::kConstructorCompound; |
| |
| ConstructorCompound(Position pos, const Type& type, ExpressionArray args) |
| : INHERITED(pos, kExpressionKind, &type, std::move(args)) {} |
| |
| static std::unique_ptr<Expression> Make(const Context& context, |
| Position pos, |
| const Type& type, |
| ExpressionArray args); |
| |
| 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 |