On Thu, 27 May 2010 11:20:59 -0400
Alex Deucher <alexdeucher at gmail.com> wrote:
> On Thu, May 27, 2010 at 10:55 AM, Matt Turner <mattst88 at gmail.com> wrote:
> >> +static inline GLint r600_log2(GLint n)
> >> +{
> >> + ? ? ? GLint log2 = 0;
> >> +
> >> + ? ? ? while (n >>= 1)
> >> + ? ? ? ? ? ? ? ++log2;
> >> + ? ? ? return log2;
> >> +}
> >
> > Does mesa not provide something like this?
>
> The only one I could find was a gallium utility function.
include/linux/log2.h
The original is from Red Hat so if you need it non GPL maybe Red Hat can
help ?
