src/gallium/state_trackers/g3dvl/vl_util.c


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#include "vl_util.h"
#include <assert.h>

unsigned int vlRoundUpPOT(unsigned int x)
{
	unsigned int i;
	
	assert(x > 0);
	
	--x;
	
	for (i = 1; i < sizeof(unsigned int) * 8; i <<= 1)
		x |= x >> i;
	
	return x + 1;
}