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DirectXTex/DirectXTK: Extra validation and typeless handling for capturing MSAA textures

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This commit is contained in:
walbourn_cp
2012-10-18 15:23:51 -07:00
parent 1425425b35
commit 42e9ba96a3
2 changed files with 62 additions and 2 deletions
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22
DirectXTex/DirectXTexD3D11.cpp
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@@ -683,12 +683,32 @@ HRESULT CaptureTexture( ID3D11Device* pDevice, ID3D11DeviceContext* pContext, ID
assert( pTemp.Get() );
DXGI_FORMAT fmt = desc.Format;
if ( IsTypeless(fmt) )
{
// Assume a UNORM if it exists otherwise use FLOAT
fmt = MakeTypelessUNORM( fmt );
fmt = MakeTypelessFLOAT( fmt );
}
UINT support = 0;
hr = pDevice->CheckFormatSupport( fmt, &support );
if ( FAILED(hr) )
break;
if ( !(support & D3D11_FORMAT_SUPPORT_MULTISAMPLE_RESOLVE) )
{
hr = E_FAIL;
break;
}
for( UINT item = 0; item < desc.ArraySize; ++item )
{
for( UINT level = 0; level < desc.MipLevels; ++level )
{
UINT index = D3D11CalcSubresource( level, item, desc.MipLevels );
pContext->ResolveSubresource( pTemp.Get(), index, pSource, index, desc.Format );
pContext->ResolveSubresource( pTemp.Get(), index, pSource, index, fmt );
}
}