зеркало из https://github.com/mozilla/gecko-dev.git
47 строки
1.4 KiB
C++
47 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/WebGPUBinding.h"
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#include "Adapter.h"
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#include "Device.h"
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#include "Instance.h"
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#include "ipc/WebGPUChild.h"
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#include "mozilla/dom/Promise.h"
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namespace mozilla {
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namespace webgpu {
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GPU_IMPL_CYCLE_COLLECTION(Adapter, mBridge, mParent)
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GPU_IMPL_JS_WRAP(Adapter)
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Adapter::Adapter(Instance* const aParent, RawId aId)
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: ChildOf(aParent), mBridge(aParent->GetBridge()), mId(aId) {}
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Adapter::~Adapter() = default;
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WebGPUChild* Adapter::GetBridge() const { return mBridge; }
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already_AddRefed<dom::Promise> Adapter::RequestDevice(
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const dom::GPUDeviceDescriptor& aDesc, ErrorResult& aRv) {
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RefPtr<dom::Promise> promise = dom::Promise::Create(GetParentObject(), aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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Maybe<RawId> id = mBridge->AdapterRequestDevice(mId, aDesc);
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if (id.isSome()) {
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RefPtr<Device> device = new Device(this, id.value());
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promise->MaybeResolve(device);
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} else {
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promise->MaybeRejectWithDOMException(NS_ERROR_DOM_NOT_SUPPORTED_ERR,
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"Unable to instanciate a Device");
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}
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return promise.forget();
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}
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} // namespace webgpu
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} // namespace mozilla
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