Maybe this function should be in util.c. A+ David --- En date de : Lun 19.4.10, Henri Verbeet <hverbeet(a)gmail.com> a écrit : De: Henri Verbeet <hverbeet(a)gmail.com> Objet: Re: [PATCH] d3dx9_36: Implement D3DXCheckTextureRequirements + tests À: wine-devel(a)winehq.org Date: Lundi 19 avril 2010, 11h43 On 19 April 2010 09:43, Christian Costa <titan.costa(a)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.