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// 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_BACKENDD3D12_H_
#define DAWNNATIVE_D3D12_BACKENDD3D12_H_
#include "dawn_native/BackendConnection.h"
#include "dawn_native/d3d12/d3d12_platform.h"
namespace dawn_native { namespace d3d12 {
class PlatformFunctions;
class Backend : public BackendConnection {
public:
Backend(InstanceBase* instance);
MaybeError Initialize();
ComPtr<IDXGIFactory4> GetFactory() const;
const PlatformFunctions* GetFunctions() const;
std::vector<std::unique_ptr<AdapterBase>> DiscoverDefaultAdapters() override;
private:
// Keep mFunctions as the first member so that in the destructor it is freed last. Otherwise
// the D3D12 DLLs are unloaded before we are done using them.
std::unique_ptr<PlatformFunctions> mFunctions;
ComPtr<IDXGIFactory4> mFactory;
};
}} // namespace dawn_native::d3d12
#endif // DAWNNATIVE_D3D12_BACKENDD3D12_H_