C++ IDXGIAdapter1::Release方法代码示例

void DesktopDuplication::init()
{
	IDXGIFactory1* dxgiFactory = nullptr;
	CHECKED(hr, CreateDXGIFactory1(__uuidof(IDXGIFactory1), reinterpret_cast<void**>(&dxgiFactory)));

	IDXGIAdapter1* dxgiAdapter = nullptr;
	CHECKED(hr, dxgiFactory->EnumAdapters1(adapter, &dxgiAdapter));
	dxgiFactory->Release();

	CHECKED(hr, D3D11CreateDevice(dxgiAdapter,
		D3D_DRIVER_TYPE_UNKNOWN,
		NULL,
		NULL,
		NULL,
		NULL,
		D3D11_SDK_VERSION,
		&d3dDevice,
		NULL,
		&d3dContext));

	IDXGIOutput* dxgiOutput = nullptr;
	CHECKED(hr, dxgiAdapter->EnumOutputs(output, &dxgiOutput));
	dxgiAdapter->Release();

	IDXGIOutput1* dxgiOutput1 = nullptr;
	CHECKED(hr, dxgiOutput->QueryInterface(__uuidof(dxgiOutput1), reinterpret_cast<void**>(&dxgiOutput1)));
	dxgiOutput->Release();

	IDXGIDevice* dxgiDevice = nullptr;
	CHECKED(hr, d3dDevice->QueryInterface(__uuidof(IDXGIDevice), reinterpret_cast<void**>(&dxgiDevice)));

	CHECKED(hr, dxgiOutput1->DuplicateOutput(dxgiDevice, &outputDuplication));
	dxgiOutput1->Release();
	dxgiDevice->Release();
}

void GetDisplayDevices(DeviceOutputs &deviceList)
{
    HRESULT err;

    deviceList.ClearData();

#ifdef USE_DXGI1_2
    REFIID iidVal = OSGetVersion() >= 8 ? __uuidof(IDXGIFactory2) : __uuidof(IDXGIFactory1);
#else
    REFIIF iidVal = __uuidof(IDXGIFactory1);
#endif

    IDXGIFactory1 *factory;
    if(SUCCEEDED(err = CreateDXGIFactory1(iidVal, (void**)&factory)))
    {
        UINT i=0;
        IDXGIAdapter1 *giAdapter;

        while(factory->EnumAdapters1(i++, &giAdapter) == S_OK)
        {
            Log(TEXT("------------------------------------------"));

            DXGI_ADAPTER_DESC adapterDesc;
            if(SUCCEEDED(err = giAdapter->GetDesc(&adapterDesc)))
            {
                if (adapterDesc.DedicatedVideoMemory != 0) {
                    DeviceOutputData &deviceData = *deviceList.devices.CreateNew();
                    deviceData.strDevice = adapterDesc.Description;

                    UINT j=0;
                    IDXGIOutput *giOutput;
                    while(giAdapter->EnumOutputs(j++, &giOutput) == S_OK)
                    {
                        DXGI_OUTPUT_DESC outputDesc;
                        if(SUCCEEDED(giOutput->GetDesc(&outputDesc)))
                        {
                            if(outputDesc.AttachedToDesktop)
                            {
                                deviceData.monitorNameList << outputDesc.DeviceName;

                                MonitorInfo &monitorInfo = *deviceData.monitors.CreateNew();
                                monitorInfo.hMonitor = outputDesc.Monitor;
                                mcpy(&monitorInfo.rect, &outputDesc.DesktopCoordinates, sizeof(RECT));
                            }
                        }

                        giOutput->Release();
                    }
                }
            }
            else
                AppWarning(TEXT("Could not query adapter %u"), i);

            giAdapter->Release();
        }

        factory->Release();
    }
}

void LogVideoCardStats()
{
    HRESULT err;

#ifdef USE_DXGI1_2
    REFIID iidVal = OSGetVersion() >= 8 ? __uuidof(IDXGIFactory2) : __uuidof(IDXGIFactory1);
#else
    REFIIF iidVal = __uuidof(IDXGIFactory1);
#endif

    IDXGIFactory1 *factory;
    if(SUCCEEDED(err = CreateDXGIFactory1(iidVal, (void**)&factory)))
    {
        UINT i=0;
        IDXGIAdapter1 *giAdapter;

        while(factory->EnumAdapters1(i++, &giAdapter) == S_OK)
        {
            DXGI_ADAPTER_DESC adapterDesc;
            if(SUCCEEDED(err = giAdapter->GetDesc(&adapterDesc)))
            {
                if (!(adapterDesc.VendorId == 0x1414 && adapterDesc.DeviceId == 0x8c)) { // Ignore Microsoft Basic Render Driver
                    Log(TEXT("------------------------------------------"));
                    Log(TEXT("Adapter %u"), i);
                    Log(TEXT("  Video Adapter: %s"), adapterDesc.Description);
                    Log(TEXT("  Video Adapter Dedicated Video Memory: %u"), adapterDesc.DedicatedVideoMemory);
                    Log(TEXT("  Video Adapter Shared System Memory: %u"), adapterDesc.SharedSystemMemory);

                    UINT j = 0;
                    IDXGIOutput *output;
                    while(SUCCEEDED(giAdapter->EnumOutputs(j++, &output)))
                    {
                        DXGI_OUTPUT_DESC desc;
                        if(SUCCEEDED(output->GetDesc(&desc)))
                            Log(TEXT("  Video Adapter Output %u: pos={%d, %d}, size={%d, %d}, attached=%s"), j,
                                desc.DesktopCoordinates.left, desc.DesktopCoordinates.top,
                                desc.DesktopCoordinates.right-desc.DesktopCoordinates.left, desc.DesktopCoordinates.bottom-desc.DesktopCoordinates.top,
                                desc.AttachedToDesktop ? L"true" : L"false");
                        output->Release();
                    }
                }
            }
            else
                AppWarning(TEXT("Could not query adapter %u"), i);

            giAdapter->Release();
        }

        factory->Release();
    }
}

bool CRenderer::FindAdapter(IDXGIFactory1** factory, IDXGIAdapter1** adapter)
{
	HRESULT hr = S_OK;
	IDXGIAdapter1 * pCurrentAdapter = nullptr;
	DXGI_ADAPTER_DESC1 Bestdesc;
	if (!factory) {
		Log("Cannot send in a NULL factory");
		return false;
	}
	if (!adapter) {
		Log("Cannot send in a NULL adapter");
		return false;
	}

	// Create a factory to enumerate all of the hardware in the system.
	DXCall(hr = CreateDXGIFactory1(__uuidof(IDXGIFactory), reinterpret_cast<void**>(factory)));

#pragma warning(suppress: 6102)
	if (!*factory) {
		Log("Could not create the factory");
		return false;
	}
	unsigned int index = 0;
	while (DXGI_ERROR_NOT_FOUND != (*factory)->EnumAdapters1(index++, &pCurrentAdapter)) {
		DXGI_ADAPTER_DESC1 desc;
		ZeroMemory(&desc, sizeof(desc));
		DXCall(pCurrentAdapter->GetDesc1(&desc));
		if (nullptr == *adapter) {
			*adapter = pCurrentAdapter;
			Bestdesc = desc;
		}
		else if (Bestdesc.DedicatedSystemMemory < desc.DedicatedSystemMemory) {
			(*adapter)->Release();
			*adapter = pCurrentAdapter;
			Bestdesc = desc;
		}
		else {
			pCurrentAdapter->Release();
		}
	}
	return true;
}

void LogVideoCardStats()
{
    HRESULT err;

#ifdef USE_DXGI1_2
    REFIID iidVal = OSGetVersion() >= 8 ? __uuidof(IDXGIFactory2) : __uuidof(IDXGIFactory1);
#else
    REFIIF iidVal = __uuidof(IDXGIFactory1);
#endif

    IDXGIFactory1 *factory;
    if(SUCCEEDED(err = CreateDXGIFactory1(iidVal, (void**)&factory)))
    {
        UINT i=0;
        IDXGIAdapter1 *giAdapter;

        while(factory->EnumAdapters1(i++, &giAdapter) == S_OK)
        {
            DXGI_ADAPTER_DESC adapterDesc;
            if(SUCCEEDED(err = giAdapter->GetDesc(&adapterDesc)))
            {
                if (adapterDesc.DedicatedVideoMemory > 0) {
                    Log(TEXT("------------------------------------------"));
                    Log(TEXT("Adapter %u"), i);
                    Log(TEXT("  Video Adapter: %s"), adapterDesc.Description);
                    Log(TEXT("  Video Adapter Dedicated Video Memory: %u"), adapterDesc.DedicatedVideoMemory);
                    Log(TEXT("  Video Adapter Shared System Memory: %u"), adapterDesc.SharedSystemMemory);
                }
            }
            else
                AppWarning(TEXT("Could not query adapter %u"), i);

            giAdapter->Release();
        }

        factory->Release();
    }
}

D3D10System::D3D10System()
{
    HRESULT err;

#ifdef USE_DXGI1_2
    REFIID iidVal = OSGetVersion() >= 8 ? __uuidof(IDXGIFactory2) : __uuidof(IDXGIFactory1);
#else
    REFIID iidVal = __uuidof(IDXGIFactory1);
#endif

    UINT adapterID = GlobalConfig->GetInt(TEXT("Video"), TEXT("Adapter"), 0);

    IDXGIFactory1 *factory;
    if(FAILED(err = CreateDXGIFactory1(iidVal, (void**)&factory)))
        CrashError(TEXT("Could not create DXGI factory"));

    IDXGIAdapter1 *adapter;
    if(FAILED(err = factory->EnumAdapters1(adapterID, &adapter)))
        CrashError(TEXT("Could not get DXGI adapter"));

    //------------------------------------------------------------------

    DXGI_SWAP_CHAIN_DESC swapDesc;
    zero(&swapDesc, sizeof(swapDesc));
    swapDesc.BufferCount = 2;
    swapDesc.BufferDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
    swapDesc.BufferDesc.Width  = App->renderFrameWidth;
    swapDesc.BufferDesc.Height = App->renderFrameHeight;
    swapDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
    swapDesc.Flags = 0;
    swapDesc.OutputWindow = hwndRenderFrame;
    swapDesc.SampleDesc.Count = 1;
    swapDesc.Windowed = TRUE;

    bDisableCompatibilityMode = 1;//AppConfig->GetInt(TEXT("Video"), TEXT("DisableD3DCompatibilityMode"), 1) != 0;

    UINT createFlags = D3D10_CREATE_DEVICE_BGRA_SUPPORT;
    if(GlobalConfig->GetInt(TEXT("General"), TEXT("UseDebugD3D")))
        createFlags |= D3D10_CREATE_DEVICE_DEBUG;

    D3D10_FEATURE_LEVEL1 level = bDisableCompatibilityMode ? D3D10_FEATURE_LEVEL_10_1 : D3D10_FEATURE_LEVEL_9_3;

    //D3D10_CREATE_DEVICE_DEBUG
    //D3D11_DRIVER_TYPE_REFERENCE, D3D11_DRIVER_TYPE_HARDWARE
    err = D3D10CreateDeviceAndSwapChain1(adapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, createFlags, level, D3D10_1_SDK_VERSION, &swapDesc, &swap, &d3d);
    if(FAILED(err))
    {
        bDisableCompatibilityMode = !bDisableCompatibilityMode;
        level = bDisableCompatibilityMode ? D3D10_FEATURE_LEVEL_10_1 : D3D10_FEATURE_LEVEL_9_3;
        err = D3D10CreateDeviceAndSwapChain1(adapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, createFlags, level, D3D10_1_SDK_VERSION, &swapDesc, &swap, &d3d);
    }

    if(FAILED(err))
        CrashError(TEXT("Could not create D3D10 device and swap chain.  This error can happen for one of the following reasons:\r\n\r\n1.) Your GPU is not supported (DirectX 10 support is required - many integrated laptop GPUs do not support DX10)\r\n2.) You're running Windows Vista without the \"Platform Update\"\r\n3.) Your video card drivers are out of date"));

    adapter->Release();
    factory->Release();

    //------------------------------------------------------------------

    Log(TEXT("Loading up D3D10..."));

    D3D10_DEPTH_STENCIL_DESC depthDesc;
    zero(&depthDesc, sizeof(depthDesc));
    depthDesc.DepthEnable = FALSE;

    err = d3d->CreateDepthStencilState(&depthDesc, &depthState);
    if(FAILED(err))
        CrashError(TEXT("Unable to create depth state"));

    d3d->OMSetDepthStencilState(depthState, 0);

    //------------------------------------------------------------------

    D3D10_RASTERIZER_DESC rasterizerDesc;
    zero(&rasterizerDesc, sizeof(rasterizerDesc));
    rasterizerDesc.FillMode = D3D10_FILL_SOLID;
    rasterizerDesc.CullMode = D3D10_CULL_NONE;
    rasterizerDesc.FrontCounterClockwise = FALSE;
    rasterizerDesc.DepthClipEnable = TRUE;

    err = d3d->CreateRasterizerState(&rasterizerDesc, &rasterizerState);
    if(FAILED(err))
        CrashError(TEXT("Unable to create rasterizer state"));

    d3d->RSSetState(rasterizerState);

    //------------------------------------------------------------------

    rasterizerDesc.ScissorEnable = TRUE;

    err = d3d->CreateRasterizerState(&rasterizerDesc, &scissorState);
    if(FAILED(err))
        CrashError(TEXT("Unable to create scissor state"));

    //------------------------------------------------------------------

    ID3D10Texture2D *backBuffer = NULL;
    err = swap->GetBuffer(0, IID_ID3D10Texture2D, (void**)&backBuffer);
    if(FAILED(err))
//.........这里部分代码省略.........

bool D3DApp::InitializeD3D()
{
	// describe our SwapChain Buffer
	DXGI_MODE_DESC mode_desc;
	ZeroMemory(&mode_desc, sizeof(DXGI_MODE_DESC));
	mode_desc.Width = m_width;
	mode_desc.Height = m_height;
	mode_desc.RefreshRate.Numerator = 60;
	mode_desc.RefreshRate.Denominator = 1;
	mode_desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
	mode_desc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
	mode_desc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;

	// describe our SwapChain
	DXGI_SWAP_CHAIN_DESC swapchain_desc; 
	ZeroMemory(&swapchain_desc, sizeof(DXGI_SWAP_CHAIN_DESC));
	swapchain_desc.BufferDesc = mode_desc;
	swapchain_desc.SampleDesc.Count = 1;
	swapchain_desc.SampleDesc.Quality = 0;
	swapchain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
	swapchain_desc.BufferCount = 1;
	swapchain_desc.OutputWindow = m_hwnd; 
	swapchain_desc.Windowed = TRUE;
	swapchain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;

	// create DXGI factory to enumerate adapters
	IDXGIFactory1 *dxgi_factory;
	HRESULT hr = CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&dxgi_factory);	

	// use the first adapter	
	IDXGIAdapter1 *adapter;
	hr = dxgi_factory->EnumAdapters1(0, &adapter);
	dxgi_factory->Release();

	// create our Direct3D 11 Device and SwapChain
	hr = D3D11CreateDeviceAndSwapChain(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, D3D11_CREATE_DEVICE_BGRA_SUPPORT,
		NULL, NULL,	D3D11_SDK_VERSION, &swapchain_desc, &m_swap_chain, &m_d3d11_device, NULL, &m_d3d11_device_context);

	// initialize Direct2D, Direct3D 10.1, DirectWrite
	InitializeDWrite(adapter);

	// release the Adapter interface
	adapter->Release();

	// create our BackBuffer and Render Target
	hr = m_swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&m_back_buffer);
	hr = m_d3d11_device->CreateRenderTargetView(m_back_buffer, NULL, &m_back_buffer_rtv);

	// describe our Depth/Stencil Buffer
	D3D11_TEXTURE2D_DESC depthstencil_desc;
	depthstencil_desc.Width     = m_width;
	depthstencil_desc.Height    = m_height;
	depthstencil_desc.MipLevels = 1;
	depthstencil_desc.ArraySize = 1;
	depthstencil_desc.Format    = DXGI_FORMAT_D24_UNORM_S8_UINT;
	depthstencil_desc.SampleDesc.Count   = 1;
	depthstencil_desc.SampleDesc.Quality = 0;
	depthstencil_desc.Usage          = D3D11_USAGE_DEFAULT;
	depthstencil_desc.BindFlags      = D3D11_BIND_DEPTH_STENCIL;
	depthstencil_desc.CPUAccessFlags = 0; 
	depthstencil_desc.MiscFlags      = 0;

	// create the Depth/Stencil View
	m_d3d11_device->CreateTexture2D(&depthstencil_desc, NULL, &m_depthstencil_buffer);
	m_d3d11_device->CreateDepthStencilView(m_depthstencil_buffer, NULL, &m_depthstencil_view);
	
	// set render target views and depth stencil view
	m_d3d11_device_context->OMSetRenderTargets(1, &m_back_buffer_rtv, m_depthstencil_view);

	// create a shader resource review from the texture D2D will render to
	hr = m_d3d11_device->CreateShaderResourceView(m_shared_texture, NULL, &m_d2d_texture);

	// create off-screen textures
	CD3D11_TEXTURE2D_DESC offscreen_tex_desc(DXGI_FORMAT_R16G16B16A16_FLOAT, m_width, m_height);
	offscreen_tex_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
	offscreen_tex_desc.MipLevels = 1;
	for (int i = 0; i != ARRAYSIZE(m_offscreen_textures); ++i)
	{
		m_d3d11_device->CreateTexture2D(&offscreen_tex_desc, NULL, &m_offscreen_textures[i]);
		m_d3d11_device->CreateShaderResourceView(m_offscreen_textures[i], NULL, &m_offscreen_srvs[i]);
		m_d3d11_device->CreateRenderTargetView(m_offscreen_textures[i], NULL, &m_offscreen_rtvs[i]);
	}

	// create a constant buffer
	D3D11_BUFFER_DESC buffer_desc;
	ZeroMemory(&buffer_desc, sizeof(D3D11_BUFFER_DESC));
	buffer_desc.Usage	  = D3D11_USAGE_DYNAMIC;
	buffer_desc.ByteWidth = sizeof(ShaderParameters);
	buffer_desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
	buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
	buffer_desc.MiscFlags = 0;
	hr = m_d3d11_device->CreateBuffer(&buffer_desc, NULL, &m_parameter_buffer);

	buffer_desc.ByteWidth = sizeof(float4);
	hr = m_d3d11_device->CreateBuffer(&buffer_desc, NULL, &m_jitter_buffer);
	hr = m_d3d11_device->CreateBuffer(&buffer_desc, NULL, &m_interleave_buffer);

	// create a texture from file
	D3DX11CreateShaderResourceViewFromFile(m_d3d11_device, TEXT("media/tex.bmp"), NULL, NULL, &m_custom_texture, &hr);

//.........这里部分代码省略.........

bool DXGI1Device::Init(const mfxU32 adapterNum)
{
    // release the object before initialization
    Close();

    // load up the library if it is not loaded
    if (NULL == m_hModule)
    {
        LoadDLLModule(L"dxgi.dll");
    }

    if (m_hModule)
    {
        DXGICreateFactoryFunc pFunc;
        IDXGIFactory1 *pFactory;
        IDXGIAdapter1 *pAdapter;
        DXGI_ADAPTER_DESC1 desc;
        mfxU32 curAdapter, maxAdapters;
        HRESULT hRes;

        // load address of procedure to create DXGI 1.1 factory
        pFunc = (DXGICreateFactoryFunc) GetProcAddress(m_hModule, "CreateDXGIFactory1");
        if (NULL == pFunc)
        {
            return false;
        }

        // create the factory
#if _MSC_VER >= 1400
        hRes = pFunc(__uuidof(IDXGIFactory1), (void**) (&pFactory));
#else
        hRes = pFunc(IID_IDXGIFactory1, (void**) (&pFactory));
#endif
        if (FAILED(hRes))
        {
            return false;
        }
        m_pDXGIFactory1 = pFactory;

        // get the number of adapters
        curAdapter = 0;
        maxAdapters = 0;
        mfxU32 outputs = 0;
        do
        {
            // get the required adapted
            hRes = pFactory->EnumAdapters1(curAdapter, &pAdapter);
            if (FAILED(hRes))
            {
                break;
            }

            mfxU32 curOutput = 0;
            HRESULT h;
            do
            {
                IDXGIOutput *out;
                h = pAdapter->EnumOutputs(curOutput, &out);
                
                if(FAILED(h))
                    break;

                // if it is the required adapter, save the interface
                if (outputs == adapterNum)
                    m_pDXGIAdapter1 = pAdapter;

                out->Release();
                
                outputs += 1;
                curOutput += 1;
            } while(!m_pDXGIAdapter1 && SUCCEEDED(h));

            if(!m_pDXGIAdapter1)
                pAdapter->Release();

            curAdapter += 1;

        } while (!m_pDXGIAdapter1 && SUCCEEDED(hRes));
        maxAdapters = curAdapter;

        // there is no required adapter
        if (adapterNum >= outputs)
        {
            return false;
        }
        pAdapter = (IDXGIAdapter1 *) m_pDXGIAdapter1;

        // get the adapter's parameters
        hRes = pAdapter->GetDesc1(&desc);
        if (FAILED(hRes))
        {
            return false;
        }

        // save the parameters
        m_vendorID = desc.VendorId;
        m_deviceID = desc.DeviceId;
        *((LUID *) &m_luid) = desc.AdapterLuid;
    }

//.........这里部分代码省略.........

bool DoD3D11Hook(ID3D11Device *device)
{
    HRESULT hErr;

    bD3D101Hooked = true;
    HMODULE hD3D10_1 = LoadLibrary(TEXT("d3d10_1.dll"));
    if(!hD3D10_1)
    {
        RUNONCE logOutput << "DoD3D11Hook: could not load d3d10.1" << endl;
        return false;
    }

    HMODULE hDXGI = GetModuleHandle(TEXT("dxgi.dll"));
    if(!hDXGI)
    {
        RUNONCE logOutput << "DoD3D11Hook: could not load dxgi" << endl;
        return false;
    }

    CREATEDXGIFACTORY1PROC createDXGIFactory1 = (CREATEDXGIFACTORY1PROC)GetProcAddress(hDXGI, "CreateDXGIFactory1");
    if(!createDXGIFactory1)
    {
        RUNONCE logOutput << "DoD3D11Hook: could not get address of CreateDXGIFactory1" << endl;
        return false;
    }

    PFN_D3D10_CREATE_DEVICE1 d3d10CreateDevice1 = (PFN_D3D10_CREATE_DEVICE1)GetProcAddress(hD3D10_1, "D3D10CreateDevice1");
    if(!d3d10CreateDevice1)
    {
        RUNONCE logOutput << "DoD3D11Hook: could not get address of D3D10CreateDevice1" << endl;
        return false;
    }

    IDXGIFactory1 *factory;
    if(FAILED(hErr = (*createDXGIFactory1)(__uuidof(IDXGIFactory1), (void**)&factory)))
    {
        RUNONCE logOutput << "DoD3D11Hook: CreateDXGIFactory1 failed, result = " << UINT(hErr) << endl;
        return false;
    }

    IDXGIAdapter1 *adapter;
    if(FAILED(hErr = factory->EnumAdapters1(0, &adapter)))
    {
        RUNONCE logOutput << "DoD3D11Hook: factory->EnumAdapters1 failed, result = " << UINT(hErr) << endl;
        factory->Release();
        return false;
    }

    if(FAILED(hErr = (*d3d10CreateDevice1)(adapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, 0, D3D10_FEATURE_LEVEL_10_1, D3D10_1_SDK_VERSION, &shareDevice)))
    {
        if(FAILED(hErr = (*d3d10CreateDevice1)(adapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, 0, D3D10_FEATURE_LEVEL_9_3, D3D10_1_SDK_VERSION, &shareDevice)))
        {
            RUNONCE logOutput << "DoD3D11Hook: device creation failed, result = " << UINT(hErr) << endl;
            adapter->Release();
            factory->Release();
            return false;
        }
    }

    adapter->Release();
    factory->Release();

    //------------------------------------------------

    D3D11_TEXTURE2D_DESC texGameDesc;
    ZeroMemory(&texGameDesc, sizeof(texGameDesc));
    texGameDesc.Width               = d3d11CaptureInfo.cx;
    texGameDesc.Height              = d3d11CaptureInfo.cy;
    texGameDesc.MipLevels           = 1;
    texGameDesc.ArraySize           = 1;
    texGameDesc.Format              = dxgiFormat;
    texGameDesc.SampleDesc.Count    = 1;
    texGameDesc.BindFlags           = D3D11_BIND_RENDER_TARGET|D3D11_BIND_SHADER_RESOURCE;
    texGameDesc.Usage               = D3D11_USAGE_DEFAULT;
    texGameDesc.MiscFlags           = D3D11_RESOURCE_MISC_SHARED;

    ID3D11Texture2D *d3d11Tex;
    if(FAILED(hErr = device->CreateTexture2D(&texGameDesc, NULL, &d3d11Tex)))
    {
        RUNONCE logOutput << "DoD3D11Hook: creation of intermediary texture failed, result = " << UINT(hErr) << endl;
        return false;
    }

    if(FAILED(hErr = d3d11Tex->QueryInterface(__uuidof(ID3D11Resource), (void**)&copyTextureGame)))
    {
        RUNONCE logOutput << "DoD3D11Hook: d3d11Tex->QueryInterface(ID3D11Resource) failed, result = " << UINT(hErr) << endl;
        d3d11Tex->Release();
        return false;
    }

    IDXGIResource *res;
    if(FAILED(hErr = d3d11Tex->QueryInterface(IID_IDXGIResource, (void**)&res)))
    {
        RUNONCE logOutput << "DoD3D11Hook: d3d11Tex->QueryInterface(IID_IDXGIResource) failed, result = " << UINT(hErr) << endl;
        d3d11Tex->Release();
        return false;
    }

    HANDLE handle;
    if(FAILED(hErr = res->GetSharedHandle(&handle)))
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		wRect.top = 0;
		wRect.bottom = height;
		AdjustWindowRect(&wRect, wndFlags, FALSE);

		MONITORINFO monInfo;
		monInfo.cbSize = sizeof(monInfo);
		GetMonitorInfo(oDesc.Monitor, &monInfo);

		w = min(wRect.right  - wRect.left, monInfo.rcWork.right  - monInfo.rcWork.left);
		h = min(wRect.bottom - wRect.top,  monInfo.rcWork.bottom - monInfo.rcWork.top);
		x = (monInfo.rcWork.left + monInfo.rcWork.right  - w) / 2;
		y = (monInfo.rcWork.top  + monInfo.rcWork.bottom - h) / 2;
	}


	hwnd = CreateWindow("Game", str, wndFlags, x, y, w, h, HWND_DESKTOP, NULL, hInstance, NULL);

	RECT rect;
	GetClientRect(hwnd, &rect);

	// Create device and swap chain
	DWORD deviceFlags = D3D11_CREATE_DEVICE_SINGLETHREADED;
#ifdef _DEBUG
    deviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif

	D3D_FEATURE_LEVEL requested_feature_level = (api_revision == D3D11)? D3D_FEATURE_LEVEL_11_0 : (api_revision == D3D11_1)? D3D_FEATURE_LEVEL_10_1 : D3D_FEATURE_LEVEL_10_0;
	D3D_FEATURE_LEVEL feature_level;
	if (FAILED(D3D11CreateDevice(dxgiAdapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, deviceFlags, &requested_feature_level, 1, D3D11_SDK_VERSION, &device, &feature_level, &context)))
	{
		ErrorMsg("Couldn't create D3D11 device");
		return false;
	}

	while (msaaSamples > 0)
	{
		UINT nQuality;
		if (SUCCEEDED(device->CheckMultisampleQualityLevels(backBufferFormat, msaaSamples, &nQuality)) && nQuality > 0)
		{
			if ((flags & NO_SETTING_CHANGE) == 0) antiAliasSamples = msaaSamples;
			break;
		}
		else
		{
			msaaSamples -= 2;
		}
	}
	DXGI_SWAP_CHAIN_DESC sd;
	memset(&sd, 0, sizeof(sd));
	sd.BufferDesc.Width  = rect.right;
	sd.BufferDesc.Height = rect.bottom;
	sd.BufferDesc.Format = backBufferFormat;
	sd.BufferDesc.RefreshRate = fullScreenRefresh;
	sd.BufferUsage = /*DXGI_USAGE_BACK_BUFFER | */DXGI_USAGE_RENDER_TARGET_OUTPUT | (sampleBackBuffer? DXGI_USAGE_SHADER_INPUT : 0);
	sd.BufferCount = 1;
	sd.OutputWindow = hwnd;
	sd.Windowed = (BOOL) (!fullscreen);
	sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
	sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
	sd.SampleDesc.Count = msaaSamples;
	sd.SampleDesc.Quality = 0;

	if (FAILED(dxgiFactory->CreateSwapChain(device, &sd, &swapChain)))
	{
		ErrorMsg("Couldn't create swapchain");
		return false;
	}

	// We'll handle Alt-Enter ourselves thank you very much ...
	dxgiFactory->MakeWindowAssociation(hwnd, DXGI_MWA_NO_WINDOW_CHANGES | DXGI_MWA_NO_ALT_ENTER);

	dxgiOutput->Release();
	dxgiAdapter->Release();
	dxgiFactory->Release();

	if (fullscreen)
	{
		captureMouse(!configDialog->isVisible());
	}

	renderer = new Direct3D11Renderer(device, context);

	if (!createBuffers(sampleBackBuffer))
	{
		delete renderer;
		return false;
	}
	antiAlias->selectItem(antiAliasSamples / 2);

	linearClamp = renderer->addSamplerState(LINEAR, CLAMP, CLAMP, CLAMP);
	defaultFont = renderer->addFont("../Textures/Fonts/Future.dds", "../Textures/Fonts/Future.font", linearClamp);
	blendSrcAlpha = renderer->addBlendState(SRC_ALPHA, ONE_MINUS_SRC_ALPHA);
	noDepthTest  = renderer->addDepthState(false, false);
	noDepthWrite = renderer->addDepthState(true,  false);
	cullNone  = renderer->addRasterizerState(CULL_NONE);
	cullBack  = renderer->addRasterizerState(CULL_BACK);
	cullFront = renderer->addRasterizerState(CULL_FRONT);

	return true;
}

bool D3DApp::InitializeDirect3d11App(HINSTANCE hInstance)
{
	//Describe our Buffer
	DXGI_MODE_DESC bufferDesc;

	ZeroMemory(&bufferDesc, sizeof(DXGI_MODE_DESC));

	bufferDesc.Width = Width;
	bufferDesc.Height = Height;
	bufferDesc.RefreshRate.Numerator = 60;
	bufferDesc.RefreshRate.Denominator = 1;
	bufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
	bufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
	bufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;

	//Describe our SwapChain
	DXGI_SWAP_CHAIN_DESC swapChainDesc;

	ZeroMemory(&swapChainDesc, sizeof(DXGI_SWAP_CHAIN_DESC));

	swapChainDesc.BufferDesc = bufferDesc;
	swapChainDesc.SampleDesc.Count = 1;
	swapChainDesc.SampleDesc.Quality = 0;
	swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
	swapChainDesc.BufferCount = 1;
	swapChainDesc.OutputWindow = hwnd;
	swapChainDesc.Windowed = TRUE;
	swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;

	// Create DXGI factory to enumerate adapters///////////////////////////////////////////////////////////////////////////
	IDXGIFactory1 *DXGIFactory;

	HRESULT hr = CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&DXGIFactory);

	// Use the first adapter	
	IDXGIAdapter1 *Adapter;

	hr = DXGIFactory->EnumAdapters1(0, &Adapter);

	DXGIFactory->Release();

	//Create our Direct3D 11 Device and SwapChain//////////////////////////////////////////////////////////////////////////
	hr = D3D11CreateDeviceAndSwapChain(Adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, D3D11_CREATE_DEVICE_DEBUG | D3D11_CREATE_DEVICE_BGRA_SUPPORT,
		NULL, NULL, D3D11_SDK_VERSION, &swapChainDesc, &SwapChain, &d3d11Device, NULL, &d3d11DevCon);

	//Initialize Direct2D, Direct3D 10.1, DirectWrite
	InitD2D_D3D101_DWrite(Adapter);

	//Release the Adapter interface
	Adapter->Release();

	//Create our BackBuffer and Render Target
	hr = SwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&BackBuffer11);
	hr = d3d11Device->CreateRenderTargetView(BackBuffer11, NULL, &renderTargetView);

	//Describe our Depth/Stencil Buffer
	D3D11_TEXTURE2D_DESC depthStencilDesc;

	depthStencilDesc.Width = Width;
	depthStencilDesc.Height = Height;
	depthStencilDesc.MipLevels = 1;
	depthStencilDesc.ArraySize = 1;
	depthStencilDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
	depthStencilDesc.SampleDesc.Count = 1;
	depthStencilDesc.SampleDesc.Quality = 0;
	depthStencilDesc.Usage = D3D11_USAGE_DEFAULT;
	depthStencilDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
	depthStencilDesc.CPUAccessFlags = 0;
	depthStencilDesc.MiscFlags = 0;

	//Create the Depth/Stencil View
	d3d11Device->CreateTexture2D(&depthStencilDesc, NULL, &depthStencilBuffer);
	d3d11Device->CreateDepthStencilView(depthStencilBuffer, NULL, &depthStencilView);

	return true;
}

DeviceManager::DeviceManager(void)
	: m_pd3dDevice(NULL), 
	m_pImmediateContext(NULL),    
	m_pDXGIFactory1(NULL)
{	
    
	// create DXGIFactory, d3d device

	HRESULT hr = S_OK;

	// create dxgi factory and keep it for future use.	
	hr = CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)(&m_pDXGIFactory1) );
	if (Logger::IsFailureLog(hr))
	{
         return;
	}
    
    
	IDXGIAdapter1* pAdapter;    
    // hardware vendor ID
    uint32_t nvidia = 0x10DE;  // NVIDIA Corporation
    uint32_t ati  = 0x1002;    // ATI Technologies Inc. / Advanced Micro Devices, Inc.

    int i = 0;
    int adapterIndex = 0;

    printf("Available DXGIAdapters:\n");
    while(m_pDXGIFactory1->EnumAdapters1(i, &pAdapter) != DXGI_ERROR_NOT_FOUND) 
    {        
        DXGI_ADAPTER_DESC1 descr;
        pAdapter->GetDesc1(&descr);
        wprintf(L"\t%s\n",descr.Description);

        // choose discrete graphics over integrated.
        if(adapterIndex == 0 && (descr.VendorId == nvidia || descr.VendorId == ati))
        {
            adapterIndex = i;
        }
        i++;
        pAdapter->Release();
        pAdapter = NULL;
    }
    
	hr = m_pDXGIFactory1->EnumAdapters1(adapterIndex, &pAdapter);
	if (Logger::IsFailureLog(hr))
	{
         return;
	}

	
    UINT createDeviceFlags = 0;
#ifdef _DEBUG
    createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif

    /*D3D_DRIVER_TYPE driverTypes[] =
    {
        D3D_DRIVER_TYPE_HARDWARE,
        D3D_DRIVER_TYPE_WARP,
        D3D_DRIVER_TYPE_REFERENCE,
		
    };
    UINT numDriverTypes = ARRAYSIZE( driverTypes );*/

    D3D_FEATURE_LEVEL featureLevels[] =
    {
        D3D_FEATURE_LEVEL_11_0,
        D3D_FEATURE_LEVEL_10_1,
        D3D_FEATURE_LEVEL_10_0,
    };
	UINT numFeatureLevels = ARRAYSIZE( featureLevels );

	DXGI_ADAPTER_DESC1 pdescr;
	pAdapter->GetDesc1(&pdescr);
    Logger::Log(OutputMessageType::Info, L"%s\n",pdescr.Description);


    // Note: If you set the pAdapter parameter to a non-NULL value,
    //      you must also set the DriverType parameter 
    //      to the D3D_DRIVER_TYPE_UNKNOWN
    
	// create d3d11 device on the first graphics adapter.
	hr =  D3D11CreateDevice(
			pAdapter,
			D3D_DRIVER_TYPE_UNKNOWN,
			NULL,
			createDeviceFlags,
			featureLevels,
			numFeatureLevels,
			D3D11_SDK_VERSION,
			&m_pd3dDevice,
			NULL,
			&m_pImmediateContext);	
  		
	pAdapter->Release(); // no longer needed.

	if (Logger::IsFailureLog(hr))
	{
		return;
	}
//.........这里部分代码省略.........

bool RenderSystem::init(void* windowHandle, const InitParams& params)
{
  IDXGIFactory1* factory = 0;
  IDXGIOutput* output = 0;

  DXGI_MODE_DESC modeDesc;
  ::ZeroMemory(&modeDesc, sizeof(DXGI_MODE_DESC));
  modeDesc.Format = params.srgbTarget ? DXGI_FORMAT_R8G8B8A8_UNORM_SRGB : DXGI_FORMAT_R8G8B8A8_UNORM;
  modeDesc.Width = params.width;
  modeDesc.Height = params.height;

  if (SUCCEEDED(CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&factory)))
  {
    IDXGIAdapter1* adapter = 0;
    for (UINT i = 0; factory->EnumAdapters1(i, &adapter) != DXGI_ERROR_NOT_FOUND; ++i)
    {
      if (adapter->CheckInterfaceSupport(__uuidof(ID3D11Device), NULL))
        break;

      adapter->Release();
    }

    D3D_FEATURE_LEVEL supportedFeatureLevels[] =
    {
      D3D_FEATURE_LEVEL_11_0,
    };

    UINT flags = 0;

#if defined (_DEBUG)
    flags |= D3D11_CREATE_DEVICE_DEBUG;
#endif // _DEBUG

    if (adapter)
    {
      if (SUCCEEDED(D3D11CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, flags, supportedFeatureLevels, _countof(supportedFeatureLevels),
        D3D11_SDK_VERSION, &m_device, NULL, &m_renderContext)))
      {
        for (UINT i = 0; adapter->EnumOutputs(i, &output) != DXGI_ERROR_NOT_FOUND; ++i)
        {
          if (SUCCEEDED(output->FindClosestMatchingMode(&modeDesc, &modeDesc, m_device)))
          {
            // additional checks??
            break;
          }

          output->Release();
          output = 0;
        }

        /*if (output)
          output->Release();*/
      }

      adapter->Release();
    }

    if (m_device)
    {
      DXGI_SWAP_CHAIN_DESC sd;
      ::ZeroMemory(&sd, sizeof(DXGI_SWAP_CHAIN_DESC));
      sd.BufferCount = 1;
      sd.BufferDesc = modeDesc;
      sd.BufferUsage = D3D11_BIND_RENDER_TARGET;
      sd.Flags = 0;
      sd.OutputWindow = (HWND)windowHandle;
      sd.SampleDesc.Quality = 0;
      sd.SampleDesc.Count = 1;
      sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
      sd.Windowed = TRUE;

      if (params.msaaSamples > 0)
      {
        UINT numLevels = 0;
        if (SUCCEEDED(m_device->CheckMultisampleQualityLevels(modeDesc.Format, params.msaaSamples, &numLevels)) && numLevels > 0)
        {
          sd.SampleDesc.Quality = numLevels-1;
          sd.SampleDesc.Count = params.msaaSamples;
        }
        else
        {
          printf("multisample quality not supported");
        }
      }

      VALIDATE(factory->CreateSwapChain(m_device, &sd, &m_swapChain));
    }

    if (params.fullscreen)
    {
      m_isFullScreen = SUCCEEDED(m_swapChain->SetFullscreenState(TRUE, output));
    }

    // setup debug queue

    factory->MakeWindowAssociation((HWND)windowHandle, DXGI_MWA_NO_ALT_ENTER | DXGI_MWA_NO_WINDOW_CHANGES);

    if (output)
      output->Release();

//.........这里部分代码省略.........

bool RenderCore::Init(int screenWidth, int screenHeight, HWND hWnd)
{
	HRESULT hr;
		
	IDXGIAdapter1 *adapter;
	IDXGIOutput *adapterOutput;
	IDXGIOutput1 *adapterOutput1;

	DXGI_ADAPTER_DESC adapterDesc;	
	DXGI_MODE_DESC *displayModeList;
	DXGI_SWAP_CHAIN_DESC swapChainDesc;

	ID3D11Texture2D *pBackBuffer;

	D3D11_TEXTURE2D_DESC depthBufferDesc;
	D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
	D3D11_DEPTH_STENCIL_DESC depthDisabledStencilDesc;
	D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
	D3D11_RASTERIZER_DESC rasterDesc;	

	uint32_t numModes, fpsNumerator, fpsDenominator;
	size_t stringLength;
	int error;
	float fov, aspect;
		
	if (!EnumerateDisplayAdapters(&g_DXGIAdapters)) {
		return false;
	}
	adapter = g_DXGIAdapters.at(0);

	hr = adapter->EnumOutputs(0, &adapterOutput);
	if (FAILED(hr)) {
		return false;
	}
	
	// desktop duplication stuff
	hr = adapterOutput->QueryInterface(&adapterOutput1);
	
	hr = adapterOutput1->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, nullptr);
	if (FAILED(hr)) {
		return false;
	}

	displayModeList = new DXGI_MODE_DESC[numModes];
	if (!displayModeList) {
		return false;
	}

	hr = adapterOutput1->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, displayModeList);
	if (FAILED(hr)) {
		return false;
	}
	
	for (UINT i = 0; i < numModes; i++) {
		if (displayModeList[i].Width == (unsigned int)screenWidth) {
			if (displayModeList[i].Height == (unsigned int)screenHeight) {
				fpsNumerator = displayModeList[i].RefreshRate.Numerator;
				fpsDenominator = displayModeList[i].RefreshRate.Denominator;
			}
		}
	}

	hr = adapter->GetDesc(&adapterDesc);
	if (FAILED(hr)) {
		return false;
	}
		
	// retrieve video adapter memory and name
	m_VideoMemory = (int)(adapterDesc.DedicatedVideoMemory / 1024 / 1024);	
	
	error = wcstombs_s(&stringLength, m_VideoCardDesc, 128, adapterDesc.Description, 128);
	
	if (error != 0) {
		return false;
	}
	DebugOut("Found graphics adapter: %s (%dMB VRAM)\n", m_VideoCardDesc, m_VideoMemory);

	delete[] displayModeList;
	displayModeList = nullptr;

	adapterOutput->Release();
	adapter->Release();
	
	// set single back buffer
	ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
	swapChainDesc.BufferCount = 1;
	swapChainDesc.BufferDesc.Width = screenWidth;
	swapChainDesc.BufferDesc.Height = screenHeight;
	swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
	swapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
	swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
	swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
	swapChainDesc.OutputWindow = hWnd;
	swapChainDesc.SampleDesc.Count = 1;
	swapChainDesc.SampleDesc.Quality = 0;
	swapChainDesc.Windowed = true;
	//swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
	//swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
	//swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
	//swapChainDesc.Flags = 0;
//.........这里部分代码省略.........

void DetectGpuInfo(std::ostream& os)
{
#if defined KLAYGE_PLATFORM_WINDOWS
	typedef HRESULT (WINAPI *CreateDXGIFactory1Func)(REFIID riid, void** ppFactory);

#if defined KLAYGE_PLATFORM_WINDOWS_DESKTOP
	HMODULE dxgi = ::LoadLibraryEx(L"dxgi.dll", nullptr, 0);
	if (!dxgi)
	{
		os << "Unknown GPU";
		return;
	}
	CreateDXGIFactory1Func DynamicCreateDXGIFactory1 = (CreateDXGIFactory1Func)::GetProcAddress(dxgi, "CreateDXGIFactory1");
	if (!DynamicCreateDXGIFactory1)
	{
		os << "Unknown GPU";
		return;
	}
#else
	CreateDXGIFactory1Func DynamicCreateDXGIFactory1 = CreateDXGIFactory1;
#endif

	IDXGIFactory1* factory;
	if (SUCCEEDED((*DynamicCreateDXGIFactory1)(IID_IDXGIFactory1, reinterpret_cast<void**>(&factory))))
	{
		UINT adapter_no = 0;
		IDXGIAdapter1* adapter = nullptr;
		while (factory->EnumAdapters1(adapter_no, &adapter) != DXGI_ERROR_NOT_FOUND)
		{
			if (adapter != nullptr)
			{
				DXGI_ADAPTER_DESC1 adapter_desc;
				adapter->GetDesc1(&adapter_desc);

				IDXGIAdapter2* adapter2;
				adapter->QueryInterface(IID_IDXGIAdapter2, reinterpret_cast<void**>(&adapter2));
				if (adapter2 != nullptr)
				{
					DXGI_ADAPTER_DESC2 desc2;
					adapter2->GetDesc2(&desc2);
					memcpy(adapter_desc.Description, desc2.Description, sizeof(desc2.Description));
					adapter_desc.VendorId = desc2.VendorId;
					adapter_desc.DeviceId = desc2.DeviceId;
					adapter_desc.SubSysId = desc2.SubSysId;
					adapter_desc.Revision = desc2.Revision;
					adapter_desc.DedicatedVideoMemory = desc2.DedicatedVideoMemory;
					adapter_desc.DedicatedSystemMemory = desc2.DedicatedSystemMemory;
					adapter_desc.SharedSystemMemory = desc2.SharedSystemMemory;
					adapter_desc.AdapterLuid = desc2.AdapterLuid;
					adapter_desc.Flags = desc2.Flags;
					adapter2->Release();
				}

				adapter->Release();

				if (adapter_desc.Flags != DXGI_ADAPTER_FLAG_SOFTWARE)
				{
					os << "Adapter " << adapter_no << endl << endl;
					std::string description;
					Convert(description, adapter_desc.Description);
					os << "Brand: " << description << endl;
					os << "Vendor ID: " << std::hex << std::uppercase << adapter_desc.VendorId << endl;
					os << "Device ID: " << std::hex << std::uppercase << adapter_desc.DeviceId << endl;
					os << "Revision: " << std::hex << std::uppercase << adapter_desc.Revision << endl;
					os << "Dedicated video memory: " << std::dec << adapter_desc.DedicatedVideoMemory / 1024 / 1024 << " MB" << endl;
					os << "Dedicated system memory: " << std::dec << adapter_desc.DedicatedSystemMemory / 1024 / 1024 << " MB" << endl;
					os << "Shared system memory: " << std::dec << adapter_desc.SharedSystemMemory / 1024 / 1024 << " MB" << endl;
				}
			}

			++ adapter_no;
		}
	}

#if defined KLAYGE_PLATFORM_WINDOWS_DESKTOP
	::FreeLibrary(dxgi);
#endif
#else
	os << "Unknown GPU" << endl;
#endif
}