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DirectXTex updated with DDS_FLAGS_ALLOW_LARGE_FILES (#188)

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This commit is contained in:
Chuck Walbourn
2020-07-09 14:13:38 -07:00
committed by GitHub
parent 81ab7997ec
commit d980fb6576
5 changed files with 26 additions and 5 deletions
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19
DirectXTex/DirectXTexDDS.cpp
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@@ -525,6 +525,25 @@ namespace
metadata.SetAlphaMode(TEX_ALPHA_MODE_PREMULTIPLIED);
}
// Check for .dds files that exceed known hardware support
if (!(flags & DDS_FLAGS_ALLOW_LARGE_FILES))
{
// 16k is the maximum required resource size supported by Direct3D
if (metadata.width > 16384u /* D3D12_REQ_TEXTURE1D_U_DIMENSION, D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION */
|| metadata.height > 16384u /* D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION */
|| metadata.mipLevels > 15u /* D3D12_REQ_MIP_LEVELS */)
{
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
// 2048 is the maximum required depth/array size supported by Direct3D
if (metadata.arraySize > 2048u /* D3D12_REQ_TEXTURE1D_ARRAY_AXIS_DIMENSION, D3D12_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION */
|| metadata.depth > 2048u /* D3D12_REQ_TEXTURE3D_U_V_OR_W_DIMENSION */)
{
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
}
return S_OK;
}
}