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/*
* Copyright (C) 2021 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 "GPU.h"
#include "JSGPUAdapter.h"
namespace WebCore {
static PAL::WebGPU::RequestAdapterOptions convertToBacking(const std::optional<GPURequestAdapterOptions>& options)
{
if (!options)
return { std::nullopt, false };
return options->convertToBacking();
}
void GPU::setBacking(PAL::WebGPU::GPU& backing)
{
m_backing = &backing;
while (!m_pendingRequestAdapterArguments.isEmpty()) {
auto arguments = m_pendingRequestAdapterArguments.takeFirst();
requestAdapter(arguments.options, WTFMove(arguments.promise));
}
}
void GPU::requestAdapter(const std::optional<GPURequestAdapterOptions>& options, RequestAdapterPromise&& promise)
{
if (!m_backing) {
m_pendingRequestAdapterArguments.append({ options, WTFMove(promise) });
return;
}
m_backing->requestAdapter(convertToBacking(options), [promise = WTFMove(promise)] (RefPtr<PAL::WebGPU::Adapter>&& adapter) mutable {
if (!adapter) {
promise.reject(nullptr);
return;
}
promise.resolve(GPUAdapter::create(adapter.releaseNonNull()).ptr());
});
}
}
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