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40 lines
1.1 KiB
C++
40 lines
1.1 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 "InstanceProvider.h"
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#include "Instance.h"
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#include "mozilla/dom/WebGPUBinding.h"
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namespace mozilla {
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namespace webgpu {
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InstanceProvider::InstanceProvider(nsIGlobalObject* const global)
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: mGlobal(global) {}
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InstanceProvider::~InstanceProvider() = default;
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already_AddRefed<Instance> InstanceProvider::Webgpu() const {
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if (!mInstance) {
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const auto inst = Instance::Create(mGlobal);
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mInstance = Some(inst);
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}
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auto ret = mInstance.value();
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return ret.forget();
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}
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void InstanceProvider::CcTraverse(
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nsCycleCollectionTraversalCallback& callback) const {
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if (mInstance) {
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CycleCollectionNoteChild(callback, mInstance.ref().get(),
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"webgpu::InstanceProvider::mInstance", 0);
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}
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}
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void InstanceProvider::CcUnlink() { mInstance = Some(nullptr); }
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} // namespace webgpu
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} // namespace mozilla
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