gecko-dev/dom/webgpu/Instance.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "Instance.h"

#include "Adapter.h"
#include "InstanceProvider.h"
#include "mozilla/dom/WebGPUBinding.h"
#include "nsIGlobalObject.h"

namespace mozilla {
namespace webgpu {

/*static*/
RefPtr<Instance> Instance::Create(nsIGlobalObject* parent) {
  return new Instance(parent);
}

Instance::Instance(nsIGlobalObject* parent) : mParent(parent) {}

Instance::~Instance() = default;

already_AddRefed<Adapter> Instance::GetAdapter(
    const dom::WebGPUAdapterDescriptor& desc) const {
  MOZ_CRASH("todo");
}

template <typename T>
void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
                                 const nsCOMPtr<T>& field, const char* name,
                                 uint32_t flags) {
  CycleCollectionNoteChild(callback, field.get(), name, flags);
}

template <typename T>
void ImplCycleCollectionUnlink(const nsCOMPtr<T>& field) {
  const auto mut = const_cast<nsCOMPtr<T>*>(&field);
  *mut = nullptr;
}

JSObject* Instance::WrapObject(JSContext* cx,
                               JS::Handle<JSObject*> givenProto) {
  return dom::WebGPU_Binding::Wrap(cx, this, givenProto);
}
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Instance, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Instance, Release)

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Instance, mParent)

}  // namespace webgpu
}  // namespace mozilla