| // 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. | 
 |  | 
 | #include "src/ast/pipeline_stage.h" | 
 |  | 
 | namespace tint { | 
 | namespace ast { | 
 |  | 
 | std::ostream& operator<<(std::ostream& out, PipelineStage stage) { | 
 |   switch (stage) { | 
 |     case PipelineStage::kNone: { | 
 |       out << "none"; | 
 |       break; | 
 |     } | 
 |     case PipelineStage::kVertex: { | 
 |       out << "vertex"; | 
 |       break; | 
 |     } | 
 |     case PipelineStage::kFragment: { | 
 |       out << "fragment"; | 
 |       break; | 
 |     } | 
 |     case PipelineStage::kCompute: { | 
 |       out << "compute"; | 
 |       break; | 
 |     } | 
 |   } | 
 |   return out; | 
 | } | 
 |  | 
 | }  // namespace ast | 
 | }  // namespace tint |