Ejemplo n.º 1
0
/*!***************************************************************************
 @Function			PVRTTriStrip
 @Output			ppui32Strips
 @Output			ppnStripLen
 @Output			pnStripCnt
 @Input				pui32TriList
 @Input				nTriCnt
 @Description		Reads a triangle list and generates an optimised triangle strip.
*****************************************************************************/
void PVRTTriStrip(
	unsigned int			**ppui32Strips,
	unsigned int			**ppnStripLen,
	unsigned int			*pnStripCnt,
	const unsigned int	* const pui32TriList,
	const unsigned int		nTriCnt)
{
	unsigned int	*pui32Strips;
	unsigned int	*pnStripLen;
	unsigned int	nStripCnt;

	/*
		If the order in which triangles are tested as strip roots is
		randomised, then several attempts can be made. Use the best result.
	*/
	for(int i = 0; i <
#ifdef RND_TRIS_ORDER
		5
#else
		1
#endif
		; ++i)
	{
		CStrip stripper(pui32TriList, nTriCnt);

#ifdef RND_TRIS_ORDER
		srand(i);
#endif

		stripper.StripFromEdges();
		stripper.StripImprove();
		stripper.Output(&pui32Strips, &pnStripLen, &nStripCnt);

		if(!i || nStripCnt < *pnStripCnt)
		{
			if(i)
			{
				FREE(*ppui32Strips);
				FREE(*ppnStripLen);
			}

			*ppui32Strips		= pui32Strips;
			*ppnStripLen	= pnStripLen;
			*pnStripCnt		= nStripCnt;
		}
		else
		{
			FREE(pui32Strips);
			FREE(pnStripLen);
		}
	}
}
Ejemplo n.º 2
0
int zeroWrite(int size, int lba, char* value) {
  int rc = 0;
  rc = stripper(size, lba, value, 1);
  return rc;
}
Ejemplo n.º 3
0
int zeroRead(int size, int lba) {
  int rc = 0;
  rc = stripper(size, lba, NULL, 0);
  return rc;
}