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. Alex