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