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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_AST_BUILTIN_H_
#define SRC_AST_BUILTIN_H_
#include <ostream>
namespace tint {
namespace ast {
/// The builtin identifiers
enum class Builtin {
kNone = -1,
kPosition,
kVertexIdx,
kInstanceIdx,
kFrontFacing,
kFragCoord,
kFragDepth,
kLocalInvocationId,
kLocalInvocationIdx,
kGlobalInvocationId,
// Below are not currently WGSL builtins, but are included in this enum as
// they are used by certain backends.
kPointSize,
};
std::ostream& operator<<(std::ostream& out, Builtin builtin);
} // namespace ast
} // namespace tint
#endif // SRC_AST_BUILTIN_H_