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glStencilViewer crash fix #2

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this change fixes a crash when selecting catmark_hole_test1
in glStencilViewer. If there's a hole limit stencils may not
be found for given limit location, resulting invalid stencil
entries.
This commit is contained in:
Takahito Tejima 2015-05-21 09:05:33 -07:00
parent c9150cfb23
commit e8ac41dbc8
1 changed files with 4 additions and 4 deletions
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8
opensubdiv/far/stencilTablesFactory.cpp
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@ -497,13 +497,13 @@ LimitStencilTablesFactory::Create(TopologyRefiner const & refiner,
// dedicated code path that does not use PatchTables or the PatchMap
float wP[20], wDs[20], wDt[20];
for (int i=0, currentStencil=0; i<(int)locationArrays.size(); ++i) {
for (int i=0; i<(int)locationArrays.size(); ++i) {
LocationArray const & array = locationArrays[i];
assert(array.ptexIdx>=0);
for (int j=0; j<array.numLocations; ++j, ++currentStencil) {
for (int j=0; j<array.numLocations; ++j) {
float s = array.s[j],
t = array.t[j];
@ -517,7 +517,7 @@ LimitStencilTablesFactory::Create(TopologyRefiner const & refiner,
patchtables->EvaluateBasis(*handle, s, t, wP, wDs, wDt);
StencilTables const & src = *cvstencils;
ProtoLimitStencil dst = alloc[currentStencil];
ProtoLimitStencil dst = alloc[numLimitStencils];
dst.Clear();
for (int k = 0; k < cvs.size(); ++k) {
@ -553,7 +553,7 @@ LimitStencilTablesFactory::Create(TopologyRefiner const & refiner,
&result->_weights.at(0), &result->_duWeights.at(0),
&result->_dvWeights.at(0));
for (int i=0; i<alloc.GetNumStencils(); ++i) {
for (int i = 0; i < numLimitStencils; ++i) {
*dst._size = alloc.CopyLimitStencil(i, dst._indices, dst._weights,
dst._duWeights, dst._dvWeights);
dst.Next();