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