d3dx9: Implement D3DXFVFFromDeclarator.

[Henri Verbeet]

On 31 August 2010 18:16, Misha Koshelev <misha680 at gmail.com> wrote:
>> Well yes, but I'd say that ordering should apply to *any* FVF element,
>> not just colors and normals. E.g., point size before position or
>> texture before color should be just as untranslatable.
> Thank you. I was not aware of these constraints.
>
> Is there, by any chance, a good place for this? I have been checking
> the MSDN docs so far:
> http://msdn.microsoft.com/en-us/library/bb147173%28VS.85%29.aspx
> but at least upon my initial reads did not notice any such guidelines.
>
It's implied by the way FVFs work. (Think about it, "D3DFVF_XYZ |
D3DFVF_DIFFUSE | D3DFVF_PSIZE" for example describes a very specific
vertex buffer layout, if you translate a declaration to that, it
should better describe that exact same layout.)