mfxStatus CD3D11Device::Init(
mfxHDL hWindow,
mfxU16 nViews,
mfxU32 nAdapterNum)
{
mfxStatus sts = MFX_ERR_NONE;
HRESULT hres = S_OK;
m_nViews = nViews;
if (2 < nViews)
return MFX_ERR_UNSUPPORTED;
m_bDefaultStereoEnabled = FALSE;
static D3D_FEATURE_LEVEL FeatureLevels[] = {
D3D_FEATURE_LEVEL_11_1,
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0
};
D3D_FEATURE_LEVEL pFeatureLevelsOut;
hres = CreateDXGIFactory(__uuidof(IDXGIFactory2), (void**)(m_pDXGIFactory.Assign()) );
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
if (m_nViews == 2 && hWindow)
{
hres = m_pDXGIFactory->QueryInterface(__uuidof(IDXGIDisplayControl), (void **)m_pDisplayControl.Assign());
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
m_bDefaultStereoEnabled = m_pDisplayControl->IsStereoEnabled();
if (!m_bDefaultStereoEnabled)
m_pDisplayControl->SetStereoEnabled(TRUE);
}
hres = m_pDXGIFactory->EnumAdapters(nAdapterNum, m_pAdapter.Assign());
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
hres = D3D11CreateDevice(m_pAdapter ,
D3D_DRIVER_TYPE_UNKNOWN,
NULL,
0,
FeatureLevels,
MSDK_ARRAY_LEN(FeatureLevels),
D3D11_SDK_VERSION,
m_pD3D11Device.Assign(),
&pFeatureLevelsOut,
m_pD3D11Ctx.Assign());
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
m_pDXGIDev = m_pD3D11Device;
m_pDX11VideoDevice = m_pD3D11Device;
m_pVideoContext = m_pD3D11Ctx;
MSDK_CHECK_POINTER(!!m_pDXGIDev, MFX_ERR_NULL_PTR);
MSDK_CHECK_POINTER(!!m_pDX11VideoDevice, MFX_ERR_NULL_PTR);
MSDK_CHECK_POINTER(!!m_pVideoContext, MFX_ERR_NULL_PTR);
// turn on multithreading for the Context
ComPtr<ID3D10Multithread> p_mt;
p_mt = m_pVideoContext;
if (p_mt)
p_mt->SetMultithreadProtected(true);
else
return MFX_ERR_DEVICE_FAILED;
// create swap chain only for rendering use case (hWindow != 0)
DXGI_SWAP_CHAIN_DESC scd;
if (hWindow)
{
ZeroMemory(&scd, sizeof(scd));
sts = FillSCD(hWindow, scd);
MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
MSDK_CHECK_POINTER (!!m_pDXGIFactory, MFX_ERR_NULL_PTR);
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0};
swapChainDesc.Width = 0; // Use automatic sizing.
swapChainDesc.Height = 0;
swapChainDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM; // This is the most common swap chain format.
swapChainDesc.Stereo = m_nViews == 2 ? TRUE : FALSE;
swapChainDesc.SampleDesc.Count = 1; // Don't use multi-sampling.
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.BufferCount = 2; // Use double buffering to minimize latency.
swapChainDesc.Scaling = DXGI_SCALING_STRETCH;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
hres = m_pDXGIFactory->CreateSwapChainForHwnd(m_pD3D11Device,
(HWND)hWindow,
&swapChainDesc,
NULL,
NULL,
reinterpret_cast<IDXGISwapChain1**>(&m_pSwapChain) );
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
}
return sts;
}
mfxStatus CD3D11Device::Init(
mfxHDL hWindow,
mfxU16 nViews,
mfxU32 nAdapterNum)
{
m_HandleWindow = (HWND)hWindow;
mfxStatus sts = MFX_ERR_NONE;
HRESULT hres = S_OK;
m_nViews = nViews;
if (2 < nViews)
return MFX_ERR_UNSUPPORTED;
m_bDefaultStereoEnabled = FALSE;
static D3D_FEATURE_LEVEL FeatureLevels[] = {
D3D_FEATURE_LEVEL_11_1,
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0
};
D3D_FEATURE_LEVEL pFeatureLevelsOut;
hres = CreateDXGIFactory(__uuidof(IDXGIFactory2), (void**)(&m_pDXGIFactory) );
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
if (m_nViews == 2 && hWindow)
{
hres = m_pDXGIFactory->QueryInterface(__uuidof(IDXGIDisplayControl), (void **)&m_pDisplayControl);
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
m_bDefaultStereoEnabled = m_pDisplayControl->IsStereoEnabled();
if (!m_bDefaultStereoEnabled)
m_pDisplayControl->SetStereoEnabled(TRUE);
}
hres = m_pDXGIFactory->EnumAdapters(nAdapterNum,&m_pAdapter);
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
hres = D3D11CreateDevice(m_pAdapter ,
D3D_DRIVER_TYPE_UNKNOWN,
NULL,
0,
FeatureLevels,
MSDK_ARRAY_LEN(FeatureLevels),
D3D11_SDK_VERSION,
&m_pD3D11Device,
&pFeatureLevelsOut,
&m_pD3D11Ctx);
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
m_pDXGIDev = m_pD3D11Device;
m_pDX11VideoDevice = m_pD3D11Device;
m_pVideoContext = m_pD3D11Ctx;
MSDK_CHECK_POINTER(m_pDXGIDev.p, MFX_ERR_NULL_PTR);
MSDK_CHECK_POINTER(m_pDX11VideoDevice.p, MFX_ERR_NULL_PTR);
MSDK_CHECK_POINTER(m_pVideoContext.p, MFX_ERR_NULL_PTR);
// turn on multithreading for the Context
CComQIPtr<ID3D10Multithread> p_mt(m_pVideoContext);
if (p_mt)
p_mt->SetMultithreadProtected(true);
else
return MFX_ERR_DEVICE_FAILED;
// create swap chain only for rendering use case (hWindow != 0)
if (hWindow)
{
MSDK_CHECK_POINTER(m_pDXGIFactory.p, MFX_ERR_NULL_PTR);
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0};
sts = FillSCD1(swapChainDesc);
MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
hres = m_pDXGIFactory->CreateSwapChainForHwnd(m_pD3D11Device,
(HWND)hWindow,
&swapChainDesc,
NULL,
NULL,
reinterpret_cast<IDXGISwapChain1**>(&m_pSwapChain));
if (FAILED(hres))
return MFX_ERR_DEVICE_FAILED;
}
return sts;
}