1.1 --- a/src/texture.cc	Wed Aug 20 16:34:43 2014 +0300
     1.2 +++ b/src/texture.cc	Thu Aug 21 01:08:03 2014 +0300
     1.3 @@ -75,3 +75,14 @@
     1.4  	set_image(image);
     1.5  	return true;
     1.6  }
     1.7 +
     1.8 +unsigned int next_pow2(unsigned int x)
     1.9 +{
    1.10 +	x -= 1;
    1.11 +	x |= x >> 1;
    1.12 +	x |= x >> 2;
    1.13 +	x |= x >> 4;
    1.14 +	x |= x >> 8;
    1.15 +	x |= x >> 16;
    1.16 +	return x + 1;
    1.17 +}