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/*
* Copyright (c) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/OptionSet.h>
namespace WGSL {
struct Type;
class TypeStore;
using Constraint = uint8_t;
namespace Constraints {
constexpr Constraint None = 0;
constexpr Constraint Bool = 1 << 0;
constexpr Constraint AbstractInt = 1 << 1;
constexpr Constraint I32 = 1 << 2;
constexpr Constraint U32 = 1 << 3;
constexpr Constraint AbstractFloat = 1 << 4;
constexpr Constraint F32 = 1 << 5;
constexpr Constraint F16 = 1 << 6;
constexpr Constraint ConcreteFloat = F16 | F32;
constexpr Constraint Float = ConcreteFloat | AbstractFloat;
constexpr Constraint ConcreteInteger = I32 | U32;
constexpr Constraint Integer = ConcreteInteger | AbstractInt;
constexpr Constraint SignedInteger = I32 | AbstractInt;
constexpr Constraint Scalar = Bool | Integer | Float;
constexpr Constraint ConcreteScalar = Bool | ConcreteInteger | ConcreteFloat;
constexpr Constraint Concrete32BitNumber = ConcreteInteger | F32;
constexpr Constraint SignedNumber = Float | SignedInteger;
constexpr Constraint Number = Float | Integer;
}
bool satisfies(const Type*, Constraint);
const Type* satisfyOrPromote(const Type*, Constraint, const TypeStore&);
} // namespace WGSL
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