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Merge pull request #885 from barfowl/gregory_corners

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Restore sharp approximation to smooth corners of irregular patches
This commit is contained in:
David G Yu 2016-10-13 15:31:41 -07:00 committed by GitHub
commit 8ca33ee1a6
1 changed files with 10 additions and 1 deletions
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11
opensubdiv/far/patchTableFactory.cpp
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@ -742,6 +742,15 @@ PatchTableFactory::BuilderContext::GetIrregularPatchCornerSpans(
if (options.useInfSharpPatch) {
cornerSpans[i]._sharp = vTags[i]._infIrregular && (vTags[i]._rule == Sdc::Crease::RULE_CORNER);
}
// Legacy option -- reinterpret an irregular smooth corner as sharp if specified:
if (!cornerSpans[i]._sharp && options_approxSmoothCornerWithSharp) {
if (vTags[i]._xordinary && vTags[i]._boundary && !vTags[i]._nonManifold) {
int nFaces = cornerSpans[i].isAssigned() ? cornerSpans[i]._numFaces
: level.getVertexFaces(fVerts[i]).size();
cornerSpans[i]._sharp = (nFaces == 1);
}
}
}
}
@ -1393,7 +1402,7 @@ PatchTableFactory::populateAdaptivePatches(
// Leaving the corner span "size" to zero, as constructed, indicates to use the full
// neighborhood -- we only need to identify a subset when using inf-sharp patches
if (context.options.useInfSharpPatch) {
if (context.options.useInfSharpPatch || context.options_approxSmoothCornerWithSharp) {
context.GetIrregularPatchCornerSpans(
patch.levelIndex, patch.faceIndex, irregCornerSpans);
}