gecko-dev/dom/webgpu/ObjectModel.h

68 lines
2.2 KiB
C++

/* -*- 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/. */
#ifndef WEBGPU_OBJECT_MODEL_H_
#define WEBGPU_OBJECT_MODEL_H_
#include "nsWrapperCache.h"
class nsIGlobalObject;
namespace mozilla {
namespace webgpu {
template <typename T>
class ChildOf : public nsWrapperCache {
public:
const RefPtr<T> mParent;
explicit ChildOf(
T* parent = nullptr); // TODO: This can't be nullptr eventually.
protected:
virtual ~ChildOf();
public:
nsIGlobalObject* GetParentObject() const;
};
} // namespace webgpu
} // namespace mozilla
#define WEBGPU_DECL_GOOP(T) \
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(T) \
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(T) \
virtual JSObject* WrapObject(JSContext* cx, \
JS::Handle<JSObject*> givenProto) override;
#define WEBGPU_IMPL_GOOP_INTERNAL(T) \
JSObject* T::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) { \
return dom::WebGPU##T##_Binding::Wrap(cx, this, givenProto); \
} \
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(T, AddRef) \
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(T, Release)
#define WEBGPU_IMPL_GOOP(T, ...) \
WEBGPU_IMPL_GOOP_INTERNAL(T) \
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(T, mParent, __VA_ARGS__)
#define WEBGPU_IMPL_GOOP_0(T) \
WEBGPU_IMPL_GOOP_INTERNAL(T) \
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(T, mParent)
template <typename T>
void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
const RefPtr<T>& field, const char* name,
uint32_t flags) {
CycleCollectionNoteChild(callback, field.get(), name, flags);
}
template <typename T>
void ImplCycleCollectionUnlink(const RefPtr<T>& field) {
const auto mutPtr = const_cast<RefPtr<T>*>(&field);
ImplCycleCollectionUnlink(*mutPtr);
}
#endif // WEBGPU_OBJECT_MODEL_H_