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Merge pull request #1052 from barfowl/far_tri_ptex_adjacency

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Removed triangular restriction in Far Ptex adjacency query
This commit is contained in:
David G Yu 2019-02-03 09:52:22 -08:00 committed by GitHub
commit 480afc0189
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1 changed files with 15 additions and 12 deletions
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27
opensubdiv/far/ptexIndices.cpp
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@ -92,22 +92,17 @@ PtexIndices::GetAdjacency(
int face, int quadrant,
int adjFaces[4], int adjEdges[4]) const {
if (Sdc::SchemeTypeTraits::GetRegularFaceSize(
refiner.GetSchemeType()) != 4) {
Far::Error(FAR_RUNTIME_ERROR,
"Failure in PtexIndices::GetAdjacency() -- "
"currently only implemented for quad schemes.");
return;
}
int regFaceSize =
Sdc::SchemeTypeTraits::GetRegularFaceSize(refiner.GetSchemeType());
Vtr::internal::Level const & level = refiner.getLevel(0);
ConstIndexArray fedges = level.getFaceEdges(face);
if (fedges.size()==4) {
if (fedges.size() == regFaceSize) {
// Regular ptex quad face
for (int i=0; i<4; ++i) {
for (int i=0; i<regFaceSize; ++i) {
int edge = fedges[i];
Index adjface = getAdjacentFace(level, edge, face);
if (adjface==-1) {
@ -116,9 +111,9 @@ PtexIndices::GetAdjacency(
} else {
ConstIndexArray aedges = level.getFaceEdges(adjface);
if (aedges.size()==4) {
if (aedges.size()==regFaceSize) {
adjFaces[i] = _ptexIndices[adjface];
adjEdges[i] = aedges.FindIndexIn4Tuple(edge);
adjEdges[i] = aedges.FindIndex(edge);
assert(adjEdges[i]!=-1);
} else {
// neighbor is a sub-face
@ -129,7 +124,11 @@ PtexIndices::GetAdjacency(
assert(adjFaces[i]!=-1);
}
}
} else {
if (regFaceSize == 3) {
adjFaces[3] = -1;
adjEdges[3] = 0;
}
} else if (regFaceSize == 4) {
// Ptex sub-face 'quadrant' (non-quad)
//
@ -201,6 +200,10 @@ PtexIndices::GetAdjacency(
assert(adjFaces[3]!=-1);
}
}
} else {
Far::Error(FAR_RUNTIME_ERROR,
"Failure in PtexIndices::GetAdjacency() -- "
"irregular faces only supported for quad schemes.");
}
}