looking-glass/host/Capture/DXGI.h

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/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include "ICapture.h"
#define W32_LEAN_AND_MEAN
#include <windows.h>
#include <dxgi1_2.h>
#include <d3d11.h>
#include <atlbase.h>
namespace Capture
{
class DXGI : public ICapture
{
public:
DXGI();
~DXGI();
const char * GetName() { return "DXGI"; }
bool Initialize(CaptureOptions * options);
void DeInitialize();
bool ReInitialize()
{
DeInitialize();
/*
DXGI needs some time when mode switches occur, failing to do so causes
failure to start and exceptions internal to DXGI
*/
Sleep(400);
return Initialize(m_options);
}
enum FrameType GetFrameType();
enum FrameComp GetFrameCompression();
size_t GetMaxFrameSize();
enum GrabStatus GrabFrame(struct FrameInfo & frame);
private:
CaptureOptions * m_options;
bool m_initialized;
unsigned int m_width;
unsigned int m_height;
CComPtr<IDXGIFactory1> m_dxgiFactory;
CComPtr<ID3D11Device> m_device;
D3D_FEATURE_LEVEL m_featureLevel;
CComPtr<ID3D11DeviceContext> m_deviceContext;
CComQIPtr<IDXGIOutput1> m_output;
CComPtr<IDXGIOutputDuplication> m_dup;
CComPtr<ID3D11Texture2D> m_texture;
BYTE * m_pointer;
UINT m_pointerBufSize;
UINT m_pointerSize;
BOOL m_lastMouseVis;
POINT m_lastMousePos;
};
};