| // Copyright 2018 The Dawn 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 DAWNNATIVE_NULLBACKEND_H_ | 
 | #define DAWNNATIVE_NULLBACKEND_H_ | 
 |  | 
 | #include <dawn/dawn_wsi.h> | 
 | #include <dawn_native/DawnNative.h> | 
 |  | 
 | namespace dawn_native { namespace null { | 
 |     DAWN_NATIVE_EXPORT DawnSwapChainImplementation CreateNativeSwapChainImpl(); | 
 | }}  // namespace dawn_native::null | 
 |  | 
 | #endif  // DAWNNATIVE_NULLBACKEND_H_ |