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DXGI_SWAP_CHAIN_FLAG_GDI_COMPATIBLE flag

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hello

after i googled for id3dxfont in d3d11 i find id3dxfont die in this version and the solution is to use

DXGI_SWAP_CHAIN_FLAG_GDI_COMPATIBLE flag

but when i use this flag
the D3D11CreateDeviceAndSwapChain () return E_FAIL.

but if pass NULL falg i get S_OK .

any help

her is the code



_Number_Feature_Level_List = ARRAYSIZE (Feature_Level_List);
_Swp_Chain_desc.BufferCount = 1 ;
_Swp_Chain_desc.BufferDesc .Format = _Mode_Desc->Format ;
_Swp_Chain_desc.BufferDesc .Height = _Height;
_Swp_Chain_desc.BufferDesc .RefreshRate = _Mode_Desc->RefreshRate ;
_Swp_Chain_desc.BufferDesc .Scaling = _Mode_Desc->Scaling ;
_Swp_Chain_desc.BufferDesc .ScanlineOrdering = _Mode_Desc->ScanlineOrdering ;
_Swp_Chain_desc.BufferDesc .Width = _Width ;
_Swp_Chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT ;
_Swp_Chain_desc.OutputWindow = hwnd ;
_Swp_Chain_desc.SampleDesc = _Sapmle_Desc;
_Swp_Chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD ;
_Swp_Chain_desc.Windowed = Windowed ;
_Swp_Chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_GDI_COMPATIBLE ;

if ( FAILED (D3D11CreateDeviceAndSwapChain ( NULL , D3D_DRIVER_TYPE_HARDWARE , NULL , D3D11_CREATE_DEVICE_SINGLETHREADED, Feature_Level_List
,_Number_Feature_Level_List , D3D11_SDK_VERSION , &_Swp_Chain_desc, &_SwapChain, &_Device ,&_featureLevel , &_DeviceContext )))


{
return E_FAIL ;
exit(0);
}

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ok guys i have modified code little


i use D3D11createdevice ()


after that i create swap chain like this




_Number_Feature_Level_List = ARRAYSIZE (Feature_Level_List);
_Swp_Chain_desc.BufferCount = 1 ;
_Swp_Chain_desc.BufferDesc .Format = _Mode_Desc->Format ;
_Swp_Chain_desc.BufferDesc .Height = _Height;
_Swp_Chain_desc.BufferDesc .RefreshRate = _Mode_Desc->RefreshRate ;
_Swp_Chain_desc.BufferDesc .Scaling = _Mode_Desc->Scaling ;
_Swp_Chain_desc.BufferDesc .ScanlineOrdering = _Mode_Desc->ScanlineOrdering ;
_Swp_Chain_desc.BufferDesc .Width = _Width ;
_Swp_Chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT ;
_Swp_Chain_desc.OutputWindow = hwnd ;
_Swp_Chain_desc.SampleDesc = _Sapmle_Desc;
_Swp_Chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD ;
_Swp_Chain_desc.Windowed = Windowed ;
_Swp_Chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_GDI_COMPATIBLE ;




D3D11CreateDevice ( NULL , D3D_DRIVER_TYPE_HARDWARE , NULL , D3D11_CREATE_DEVICE_SINGLETHREADED, Feature_Level_List
,_Number_Feature_Level_List , D3D11_SDK_VERSION , &_Device ,&_featureLevel , &_DeviceContext ); // return S_OK


_Factory->CreateSwapChain ( _Device , &_Swp_Chain_desc , &swpchain); //// return E_FAIL ;




any help or suggest

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