bgfx/3rdparty/pvrtc/BitUtility.h
2015-12-22 18:05:06 -08:00

19 lines
402 B
C++

#pragma once
namespace Javelin {
class BitUtility {
public:
static bool IsPowerOf2(unsigned int x) {
return (x & (x - 1)) == 0;
}
static unsigned int RotateRight(unsigned int value, unsigned int shift) {
if ((shift &= sizeof(value) * 8 - 1) == 0) {
return value;
}
return (value >> shift) | (value << (sizeof(value) * 8 - shift));
}
};
}