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godot/thirdparty/pvrtccompressor/BitUtility.h
Rémi Verschelde b1e8889d96 dds/etc1/pbm/pvr: Make those modules and split thirdparty files
They are not particularly packaged in Linux distros so we do not
facilitate unbundling via SCons. There could be done if/when there
is interest.

Also s/pnm/pbm/, long-lived typo :)
2016-10-15 11:50:39 +02:00

20 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));
}
};
}