/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/* 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 "Buffer.h"

#include "Device.h"

#include "mozilla/dom/WebGPUBinding.h"

namespace mozilla {

namespace webgpu {

Buffer::Buffer(Device* const parent)

    : ChildOf(parent)

{

    mozilla::HoldJSObjects(this); // Mimed from PushSubscriptionOptions

}

Buffer::~Buffer()

{

    mMapping = nullptr;

    mozilla::DropJSObjects(this);

}

void

Buffer::GetMapping(JSContext*, JS::MutableHandle<JSObject*> out) const

{

    out.set(mMapping);

}

void

Buffer::Unmap() const

{

    MOZ_CRASH("todo");

}

JSObject*

webgpu::Buffer::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)

{

    return dom::WebGPUBuffer_Binding::Wrap(cx, this, givenProto);

}

NS_IMPL_CYCLE_COLLECTION_CLASS(Buffer)

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Buffer)

  NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)

  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER

  tmp->mMapping = nullptr;

NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Buffer)

  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(Buffer)

  NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER

  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mMapping)

NS_IMPL_CYCLE_COLLECTION_TRACE_END

NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Buffer, AddRef)

NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Buffer, Release)

} // namespace webgpu

} // namespace mozilla