// Copyright 2021 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NODE_BINDING_GPU_H_
#define SRC_DAWN_NODE_BINDING_GPU_H_

#include <memory>

#include "dawn/native/DawnNative.h"
#include "dawn/webgpu_cpp.h"

#include "src/dawn/node/binding/AsyncRunner.h"
#include "src/dawn/node/binding/Flags.h"
#include "src/dawn/node/interop/NodeAPI.h"
#include "src/dawn/node/interop/WebGPU.h"

namespace wgpu::binding {
// GPU is an implementation of interop::GPU that wraps a dawn::native::Instance.
class GPU final : public interop::GPU {
  public:
    GPU(Flags flags);

    // interop::GPU interface compliance
    interop::Promise<std::optional<interop::Interface<interop::GPUAdapter>>> requestAdapter(
        Napi::Env env,
        interop::GPURequestAdapterOptions options) override;
    interop::GPUTextureFormat getPreferredCanvasFormat(Napi::Env) override;
    interop::Interface<interop::WGSLLanguageFeatures> getWgslLanguageFeatures(Napi::Env) override;

  private:
    const Flags flags_;
    std::unique_ptr<dawn::native::Instance> instance_;
    std::shared_ptr<AsyncRunner> async_;
};

}  // namespace wgpu::binding

#endif  // SRC_DAWN_NODE_BINDING_GPU_H_