// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef DAWNNATIVE_D3D12_ADAPTERD3D12_H_
#define DAWNNATIVE_D3D12_ADAPTERD3D12_H_

#include "dawn_native/Adapter.h"

#include "common/GPUInfo.h"
#include "dawn_native/d3d12/D3D12Info.h"
#include "dawn_native/d3d12/d3d12_platform.h"

namespace dawn_native { namespace d3d12 {

    class Backend;

    class Adapter : public AdapterBase {
      public:
        Adapter(Backend* backend, ComPtr<IDXGIAdapter3> hardwareAdapter);
        ~Adapter() override;

        // AdapterBase Implementation
        bool SupportsExternalImages() const override;

        const D3D12DeviceInfo& GetDeviceInfo() const;
        IDXGIAdapter3* GetHardwareAdapter() const;
        Backend* GetBackend() const;
        ComPtr<ID3D12Device> GetDevice() const;
        const gpu_info::D3DDriverVersion& GetDriverVersion() const;

        MaybeError Initialize();

      private:
        ResultOrError<DeviceBase*> CreateDeviceImpl(const DeviceDescriptor* descriptor) override;
        MaybeError ResetInternalDeviceForTestingImpl() override;

        bool AreTimestampQueriesSupported() const;

        void InitializeSupportedExtensions();
        MaybeError InitializeDebugLayerFilters();
        void CleanUpDebugLayerFilters();

        ComPtr<IDXGIAdapter3> mHardwareAdapter;
        ComPtr<ID3D12Device> mD3d12Device;
        gpu_info::D3DDriverVersion mDriverVersion;

        Backend* mBackend;
        D3D12DeviceInfo mDeviceInfo = {};
    };

}}  // namespace dawn_native::d3d12

#endif  // DAWNNATIVE_D3D12_ADAPTERD3D12_H_