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/*
* Copyright (C) 2021-2023 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 "WebGPUCreateImpl.h"
#if HAVE(WEBGPU_IMPLEMENTATION)
#include "WebGPUAdapterImpl.h"
#include "WebGPUDowncastConvertToBackingContext.h"
#include "WebGPUImpl.h"
#include "WebGPUPtr.h"
#include <WebGPU/WebGPUExt.h>
#include <wtf/BlockPtr.h>
#if PLATFORM(COCOA)
#include <wtf/darwin/WeakLinking.h>
WTF_WEAK_LINK_FORCE_IMPORT(wgpuCreateInstance);
#endif
namespace WebCore::WebGPU {
RefPtr<GPU> create(ScheduleWorkFunction&& scheduleWorkFunction)
{
auto scheduleWorkBlock = makeBlockPtr([scheduleWorkFunction = WTFMove(scheduleWorkFunction)](WGPUWorkItem workItem)
{
scheduleWorkFunction(CompletionHandler<void(void)>(makeBlockPtr(WTFMove(workItem)), CompletionHandlerCallThread::AnyThread));
});
WGPUInstanceCocoaDescriptor cocoaDescriptor {
{
nullptr,
static_cast<WGPUSType>(WGPUSTypeExtended_InstanceCocoaDescriptor),
},
scheduleWorkBlock.get(),
};
WGPUInstanceDescriptor descriptor = { &cocoaDescriptor.chain };
if (!&wgpuCreateInstance)
return nullptr;
auto instance = adoptWebGPU(wgpuCreateInstance(&descriptor));
if (!instance)
return nullptr;
auto convertToBackingContext = DowncastConvertToBackingContext::create();
return GPUImpl::create(WTFMove(instance), convertToBackingContext);
}
} // namespace WebCore::WebGPU
#endif // HAVE(WEBGPU_IMPLEMENTATION)
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