[PATCH] d3dx9_36: Implement D3DXCheckTextureRequirements + tests

[Christian Costa]

is_pow2 was in util.c, then remove. That's why I put then in texture.c. 
But that's better to put them in util.c
just in case there are used from another part.

BTW, is your name Paulo, Jéremie or David ? ;-)

paulo lesgaz a écrit :
> Maybe this function should be in util.c.
>
> A+
>
> David
>
>
> --- En date de : *Lun 19.4.10, Henri Verbeet /<hverbeet at gmail.com>/* a 
> écrit :
>
>
>     De: Henri Verbeet <hverbeet at gmail.com>
>     Objet: Re: [PATCH] d3dx9_36: Implement
>     D3DXCheckTextureRequirements + tests
>     À: wine-devel at winehq.org
>     Date: Lundi 19 avril 2010, 11h43
>
>     On 19 April 2010 09:43, Christian Costa <titan.costa at wanadoo.fr
>     </mc/compose?to=titan.costa at wanadoo.fr>> wrote:
>     > +BOOL is_pow2(UINT num)
>     > +{
>     > +    UINT i;
>     > +
>     > +    if (!num) return FALSE;
>     > +    for (i = 0; num >> 1; i++) num >>= 1;
>     > +
>     > +    return (num << i) == num;
>     > +}
>     This should at least be static. You can also just replace it with
>     "return !(num & (num - 1));". You don't care about 0, since you
>     already check that earlier in D3DXCheckTextureRequirements().
>     make_pow2() can probably be simplified as well.
>
>
>
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