Bart/bullet3
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fix 2 potential data race conditions.

Browse Source
This commit is contained in:
erwincoumans
2018-11-08 14:41:22 -08:00
parent 036d75bc04
commit 642c6a71d2
2 changed files with 18 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/BulletCollision/CollisionShapes/btShapeHull.cpp
View File

@@ -37,21 +37,8 @@ btShapeHull::~btShapeHull()
bool btShapeHull::buildHull(btScalar /*margin*/, int highres)
{
int numSampleDirections = highres ? NUM_UNITSPHERE_POINTS_HIGHRES : NUM_UNITSPHERE_POINTS;
{
int numPDA = m_shape->getNumPreferredPenetrationDirections();
if (numPDA)
{
for (int i = 0; i < numPDA; i++)
{
btVector3 norm;
m_shape->getPreferredPenetrationDirection(i, norm);
getUnitSpherePoints(highres)[numSampleDirections] = norm;
numSampleDirections++;
}
}
}
btVector3 supportPoints[NUM_UNITSPHERE_POINTS_HIGHRES + MAX_PREFERRED_PENETRATION_DIRECTIONS * 2];
int i;
for (i = 0; i < numSampleDirections; i++)
@@ -59,6 +46,17 @@ bool btShapeHull::buildHull(btScalar /*margin*/, int highres)
supportPoints[i] = m_shape->localGetSupportingVertex(getUnitSpherePoints(highres)[i]);
}
int numPDA = m_shape->getNumPreferredPenetrationDirections();
if (numPDA)
{
for (int s = 0; s < numPDA; s++)
{
btVector3 norm;
m_shape->getPreferredPenetrationDirection(s, norm);
supportPoints[i++] = m_shape->localGetSupportingVertex(norm);
numSampleDirections++;
}
}
HullDesc hd;
hd.mFlags = QF_TRIANGLES;
hd.mVcount = static_cast<unsigned int>(numSampleDirections);