| // 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_TINT_LANG_WGSL_AST_PIPELINE_STAGE_H_ |
| #define SRC_TINT_LANG_WGSL_AST_PIPELINE_STAGE_H_ |
| |
| #include "src/tint/utils/text/string_stream.h" |
| #include "src/tint/utils/traits/traits.h" |
| |
| namespace tint::ast { |
| |
| /// The pipeline stage |
| enum class PipelineStage : uint8_t { kVertex, kFragment, kCompute, kNone }; |
| |
| /// @param stage the enum value |
| /// @returns the string for the given enum value |
| std::string_view ToString(PipelineStage stage); |
| |
| /// @param out the stream to write to |
| /// @param stage the PipelineStage |
| /// @return the stream so calls can be chained |
| template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>> |
| auto& operator<<(STREAM& out, PipelineStage stage) { |
| return out << ToString(stage); |
| } |
| |
| } // namespace tint::ast |
| |
| #endif // SRC_TINT_LANG_WGSL_AST_PIPELINE_STAGE_H_ |