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Fix crash where two scene loop threads could changes m_MeshToTriMeshMap at the same time. 

Have to lock m_MeshToTriMeshMap as property is static and with more than one region two scene loops could try to manipulate at the same time.
0.7.4.1
Justin Clark-Casey (justincc) 2012-03-20 00:40:03 +00:00
parent e9271ec653
commit 1c0f3a1f21
1 changed files with 16 additions and 10 deletions
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26
OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
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@ -842,17 +842,23 @@ namespace OpenSim.Region.Physics.OdePlugin
mesh.getIndexListAsPtrToIntArray(out indices, out triStride, out indexCount); // Also fixed, needs release after usage mesh.getIndexListAsPtrToIntArray(out indices, out triStride, out indexCount); // Also fixed, needs release after usage
mesh.releaseSourceMeshData(); // free up the original mesh data to save memory mesh.releaseSourceMeshData(); // free up the original mesh data to save memory
if (m_MeshToTriMeshMap.ContainsKey(mesh))
{
_triMeshData = m_MeshToTriMeshMap[mesh];
}
else
{
_triMeshData = d.GeomTriMeshDataCreate();
d.GeomTriMeshDataBuildSimple(_triMeshData, vertices, vertexStride, vertexCount, indices, indexCount, triStride); // We must lock here since m_MeshToTriMeshMap is static and multiple scene threads may call this method at
d.GeomTriMeshDataPreprocess(_triMeshData); // the same time.
m_MeshToTriMeshMap[mesh] = _triMeshData; lock (m_MeshToTriMeshMap)
{
if (m_MeshToTriMeshMap.ContainsKey(mesh))
{
_triMeshData = m_MeshToTriMeshMap[mesh];
}
else
{
_triMeshData = d.GeomTriMeshDataCreate();
d.GeomTriMeshDataBuildSimple(_triMeshData, vertices, vertexStride, vertexCount, indices, indexCount, triStride);
d.GeomTriMeshDataPreprocess(_triMeshData);
m_MeshToTriMeshMap[mesh] = _triMeshData;
}
} }
// _parent_scene.waitForSpaceUnlock(m_targetSpace); // _parent_scene.waitForSpaceUnlock(m_targetSpace);