void SkOpSpan::release(const SkOpPtT* kept) {
SkDEBUGCODE(fDebugDeleted = true);
SkOPASSERT(kept->span() != this);
SkASSERT(!final());
SkOpSpan* prev = this->prev();
SkASSERT(prev);
SkOpSpanBase* next = this->next();
SkASSERT(next);
prev->setNext(next);
next->setPrev(prev);
this->segment()->release(this);
SkOpCoincidence* coincidence = this->globalState()->coincidence();
if (coincidence) {
coincidence->fixUp(this->ptT(), kept);
}
this->ptT()->setDeleted();
SkOpPtT* stopPtT = this->ptT();
SkOpPtT* testPtT = stopPtT;
const SkOpSpanBase* keptSpan = kept->span();
do {
if (this == testPtT->span()) {
testPtT->setSpan(keptSpan);
}
} while ((testPtT = testPtT->next()) != stopPtT);
}
