DirectXTex should add a function to convert between D3D12_TEXTURE_LAYOUT_ROW_MAJOR and D3D12_TEXTURE_LAYOUT_64KB_STANDARD_SWIZZLE.

https://learn.microsoft.com/en-us/windows/win32/direct3d12/default-texture-mapping