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/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_DESKTOP_CAPTURE_WIN_D3D_DEVICE_H_
#define MODULES_DESKTOP_CAPTURE_WIN_D3D_DEVICE_H_
#include <comdef.h>
#include <d3d11.h>
#include <dxgi.h>
#include <wrl/client.h>
#include <vector>
namespace webrtc {
// A wrapper of ID3D11Device and its corresponding context and IDXGIAdapter.
// This class represents one video card in the system.
class D3dDevice {
public:
D3dDevice(const D3dDevice& other);
D3dDevice(D3dDevice&& other);
~D3dDevice();
ID3D11Device* d3d_device() const { return d3d_device_.Get(); }
ID3D11DeviceContext* context() const { return context_.Get(); }
IDXGIDevice* dxgi_device() const { return dxgi_device_.Get(); }
IDXGIAdapter* dxgi_adapter() const { return dxgi_adapter_.Get(); }
// Returns all D3dDevice instances on the system. Returns an empty vector if
// anything wrong.
static std::vector<D3dDevice> EnumDevices();
private:
// Instances of D3dDevice should only be created by EnumDevices() static
// function.
D3dDevice();
// Initializes the D3dDevice from an IDXGIAdapter.
bool Initialize(const Microsoft::WRL::ComPtr<IDXGIAdapter>& adapter);
Microsoft::WRL::ComPtr<ID3D11Device> d3d_device_;
Microsoft::WRL::ComPtr<ID3D11DeviceContext> context_;
Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device_;
Microsoft::WRL::ComPtr<IDXGIAdapter> dxgi_adapter_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_WIN_D3D_DEVICE_H_
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