| /* |
| * Copyright (C) 2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "GPUErrorScopes.h" |
| |
| #if ENABLE(WEBGPU) |
| |
| namespace WebCore { |
| |
| const unsigned maxUncapturedErrorEventsAllowed = 256; |
| |
| Ref<GPUErrorScopes> GPUErrorScopes::create(UncapturedErrorCallback&& callback) |
| { |
| return adoptRef(*new GPUErrorScopes(WTFMove(callback))); |
| } |
| |
| GPUErrorScopes::GPUErrorScopes(UncapturedErrorCallback&& callback) |
| : m_uncapturedErrorCallback(WTFMove(callback)) |
| , m_numUncapturedErrorEventsAllowed(maxUncapturedErrorEventsAllowed) |
| { |
| } |
| |
| void GPUErrorScopes::pushErrorScope(GPUErrorFilter filter) |
| { |
| m_errorScopes.append(ErrorScope { filter, WTF::nullopt }); |
| } |
| |
| Optional<GPUError> GPUErrorScopes::popErrorScope(String& failMessage) |
| { |
| if (m_errorScopes.isEmpty()) { |
| failMessage = "No error scope exists!"; |
| return WTF::nullopt; |
| } |
| |
| auto scope = m_errorScopes.takeLast(); |
| return scope.filter == GPUErrorFilter::None ? WTF::nullopt : scope.error; |
| } |
| |
| void GPUErrorScopes::generateError(const String& message, GPUErrorFilter filter) |
| { |
| auto iterator = std::find_if(m_errorScopes.rbegin(), m_errorScopes.rend(), [filter](const ErrorScope& scope) { |
| return scope.filter == GPUErrorFilter::None || scope.filter == filter; |
| }); |
| |
| if (iterator == m_errorScopes.rend()) { |
| if (!m_numUncapturedErrorEventsAllowed) |
| return; |
| |
| m_uncapturedErrorCallback(createError(filter, message)); |
| if (!(--m_numUncapturedErrorEventsAllowed)) |
| m_uncapturedErrorCallback(createError(GPUErrorFilter::Validation, "WebGPU: Too many errors; no more error events will fire on this GPUDevice.")); |
| |
| return; |
| } |
| |
| // If the scope has already captured an error, ignore this new one. |
| if (iterator->error) |
| return; |
| |
| iterator->error = createError(filter, message); |
| } |
| |
| void GPUErrorScopes::generatePrefixedError(const String& message) |
| { |
| generateError(m_prefix + message, GPUErrorFilter::Validation); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |