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// 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 DAWNNATIVE_ERRORSCOPE_H_
#define DAWNNATIVE_ERRORSCOPE_H_
#include "dawn_native/dawn_platform.h"
#include <string>
#include <vector>
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:
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 // DAWNNATIVE_ERRORSCOPE_H_