| // Copyright 2019 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 SRC_DAWN_NATIVE_ERRORSCOPE_H_ |
| #define SRC_DAWN_NATIVE_ERRORSCOPE_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "dawn/native/dawn_platform.h" |
| |
| namespace dawn::native { |
| |
| class ErrorScope { |
| public: |
| wgpu::ErrorType GetErrorType() const; |
| const char* GetErrorMessage() const; |
| |
| private: |
| friend class ErrorScopeStack; |
| explicit ErrorScope(wgpu::ErrorFilter errorFilter); |
| |
| wgpu::ErrorType mMatchedErrorType; |
| wgpu::ErrorType mCapturedError = wgpu::ErrorType::NoError; |
| std::string mErrorMessage = ""; |
| }; |
| |
| class ErrorScopeStack { |
| public: |
| ErrorScopeStack(); |
| ~ErrorScopeStack(); |
| |
| void Push(wgpu::ErrorFilter errorFilter); |
| ErrorScope Pop(); |
| |
| bool Empty() const; |
| |
| // Pass an error to the scopes in the stack. Returns true if one of the scopes |
| // captured the error. Returns false if the error should be forwarded to the |
| // uncaptured error callback. |
| bool HandleError(wgpu::ErrorType type, const char* message); |
| |
| private: |
| std::vector<ErrorScope> mScopes; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_ERRORSCOPE_H_ |