| // 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. |
| |
| #include "dawn/native/ErrorScope.h" |
| |
| #include <utility> |
| |
| #include "dawn/common/Assert.h" |
| |
| namespace dawn::native { |
| |
| namespace { |
| |
| wgpu::ErrorType ErrorFilterToErrorType(wgpu::ErrorFilter filter) { |
| switch (filter) { |
| case wgpu::ErrorFilter::Validation: |
| return wgpu::ErrorType::Validation; |
| case wgpu::ErrorFilter::OutOfMemory: |
| return wgpu::ErrorType::OutOfMemory; |
| case wgpu::ErrorFilter::Internal: |
| return wgpu::ErrorType::Internal; |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| } // namespace |
| |
| ErrorScope::ErrorScope(wgpu::ErrorFilter errorFilter) |
| : mMatchedErrorType(ErrorFilterToErrorType(errorFilter)) {} |
| |
| wgpu::ErrorType ErrorScope::GetErrorType() const { |
| return mCapturedError; |
| } |
| |
| const std::string& ErrorScope::GetErrorMessage() const { |
| return mErrorMessage; |
| } |
| |
| ErrorScopeStack::ErrorScopeStack() = default; |
| |
| ErrorScopeStack::~ErrorScopeStack() = default; |
| |
| void ErrorScopeStack::Push(wgpu::ErrorFilter filter) { |
| mScopes.push_back(ErrorScope(filter)); |
| } |
| |
| ErrorScope ErrorScopeStack::Pop() { |
| DAWN_ASSERT(!mScopes.empty()); |
| ErrorScope scope = std::move(mScopes.back()); |
| mScopes.pop_back(); |
| return scope; |
| } |
| |
| bool ErrorScopeStack::Empty() const { |
| return mScopes.empty(); |
| } |
| |
| bool ErrorScopeStack::HandleError(wgpu::ErrorType type, const char* message) { |
| for (auto it = mScopes.rbegin(); it != mScopes.rend(); ++it) { |
| if (it->mMatchedErrorType != type) { |
| // Error filter does not match. Move on to the next scope. |
| continue; |
| } |
| |
| // Filter matches. |
| // Record the error if the scope doesn't have one yet. |
| if (it->mCapturedError == wgpu::ErrorType::NoError) { |
| it->mCapturedError = type; |
| it->mErrorMessage = message; |
| } |
| |
| if (type == wgpu::ErrorType::DeviceLost) { |
| if (it->mCapturedError != wgpu::ErrorType::DeviceLost) { |
| // DeviceLost overrides any other error that is not a DeviceLost. |
| it->mCapturedError = type; |
| it->mErrorMessage = message; |
| } |
| } else { |
| // Errors that are not device lost are captured and stop propogating. |
| return true; |
| } |
| } |
| |
| // The error was not captured. |
| return false; |
| } |
| |
| } // namespace dawn::native |