// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_GPU_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_GPU_H_

#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"

struct WGPUDeviceProperties;

namespace blink {

class GPURequestAdapterOptions;
class ScriptPromiseResolver;
class ScriptState;
class DawnControlClientHolder;

class GPU final : public ScriptWrappable,
                  public ExecutionContextLifecycleObserver {
  DEFINE_WRAPPERTYPEINFO();

 public:
  static GPU* Create(ExecutionContext& execution_context);
  explicit GPU(ExecutionContext& execution_context);
  ~GPU() override;

  // ScriptWrappable overrides
  void Trace(Visitor* visitor) const override;

  // ExecutionContextLifecycleObserver overrides
  void ContextDestroyed() override;

  // gpu.idl
  ScriptPromise requestAdapter(ScriptState* script_state,
                               const GPURequestAdapterOptions* options);

 private:
  void OnRequestAdapterCallback(ScriptPromiseResolver* resolver,
                                int32_t adapter_server_id,
                                const WGPUDeviceProperties& properties);

  scoped_refptr<DawnControlClientHolder> dawn_control_client_;

  DISALLOW_COPY_AND_ASSIGN(GPU);
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_GPU_H_