src/gallium/state_trackers/g3dvl/vl_util.c

   1 #include "vl_util.h"
   2 #include <assert.h>
   3
   4 unsigned int vlRoundUpPOT(unsigned int x)
   5 {
   6         unsigned int i;
   7
   8         assert(x > 0);
   9
  10         --x;
  11
  12         for (i = 1; i < sizeof(unsigned int) * 8; i <<= 1)
  13                 x |= x >> i;
  14
  15         return x + 1;
  16 }