/*!***************************************************************************
@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);
}
}
}
int zeroWrite(int size, int lba, char* value) {
int rc = 0;
rc = stripper(size, lba, value, 1);
return rc;
}
int zeroRead(int size, int lba) {
int rc = 0;
rc = stripper(size, lba, NULL, 0);
return rc;
}