dom/webgpu/Instance.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GPU_INSTANCE_H_
   7 #define GPU_INSTANCE_H_
   8
   9 #include "mozilla/AlreadyAddRefed.h"
  10 #include "mozilla/RefPtr.h"
  11 #include "nsCOMPtr.h"
  12 #include "ObjectModel.h"
  13
  14 namespace mozilla {
  15 namespace dom {
  16 class Promise;
  17 struct GPURequestAdapterOptions;
  18 }  // namespace dom
  19
  20 namespace webgpu {
  21 class Adapter;
  22 class GPUAdapter;
  23 class WebGPUChild;
  24
  25 class Instance final : public nsWrapperCache {
  26  public:
  27   GPU_DECL_CYCLE_COLLECTION(Instance)
  28   GPU_DECL_JS_WRAP(Instance)
  29
  30   nsIGlobalObject* GetParentObject() const { return mOwner; }
  31
  32   static already_AddRefed<Instance> Create(nsIGlobalObject* aOwner);
  33
  34   already_AddRefed<dom::Promise> RequestAdapter(
  35       const dom::GPURequestAdapterOptions& aOptions, ErrorResult& aRv);
  36
  37   RefPtr<WebGPUChild> mBridge;
  38
  39  private:
  40   explicit Instance(nsIGlobalObject* aOwner, WebGPUChild* aBridge);
  41   virtual ~Instance();
  42   void Cleanup();
  43
  44   nsCOMPtr<nsIGlobalObject> mOwner;
  45
  46  public:
  47 };
  48
  49 }  // namespace webgpu
  50 }  // namespace mozilla
  51
  52 #endif  // GPU_INSTANCE_H_